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Satellite IoT modules are transforming the way companies interact with their customers, increase operational efficiency, and gain insights into their business operations. Delivering truly global, reliable coverage, these modules enable organisations to unlock the full potential of the Internet of Things (IoT).

The latest research from IoT Analytics estimates that by the end of 2023, the IoT will be responsible for 16 billion active devices. But given the importance of reliable connectivity, how many of these devices will be satellite-enabled?

Source: IoT Analytics Research, State of IoT 2023
Note from authors: IoT connections do not include any computers, laptops, fixed phone, cellphones, or consumers’ tablets. Counted are active nodes/devices or gateways that concentrate the end-sensors, not every sensor/actuator. Simple one-directional communications technology not considered (e.g. RFID, NFC). Wired includes ethernet and fieldbuses (e.g. connected industrial PLCs or I/O modules); Cellular includes 2G, 3G, 4G, 5G; LPWA includes unlicensed low-power networks; WPAN includes Bluetooth, Zigbee, Z-Wave or similar, WLAN includes Wi-Fi and related protocols; WNAN includes non-short-range mesh, such as Wi-SUN; Unclassified proprietary networks include any range.

As you might expect, IoT connectivity continues to be dominated by Wi-Fi, Bluetooth and cellular IoT. But interestingly, the CAGR for each of these is predicted to decrease, in some cases significantly (cellular from 200% to 87%) by 2027. In contrast, satellite IoT connections are projected to grow from 6 million to 22 million (at a CAGR of 25%).

What are satellite IoT modules?

Satellite IoT modules or modems are specialised hardware components that enable devices to communicate with satellites and access global connectivity. These modules are designed to be power-efficient, compact, and compatible with existing IoT device architectures. Typically they are used in areas of IoT networks where traditional cellular networks or other forms of terrestrial connectivity are either unavailable or unreliable, such as remote or rural areas.

How do they work?

Simply, satellite IoT modules work by leveraging satellite networks to establish communication between IoT devices and the central infrastructure.

IoT devices such as sensors or trackers are equipped with satellite modems (e.g. the RockBLOCK) that transmit data to satellites orbiting the Earth. Data is sent to a satellite, in this case a satellite within Iridium’s constellation, the satellite then relays the received data down to the ground station.

The ground station serves as a gateway to bridge the communication between the satellite and the Network Operations Centre (NOC), forwarding the data on to the appropriate destination. This can be a cloud platform, a server, or any designated system that collects and manages the IoT data.

How do satellite and terrestrial IoT modules compare?

Terrestrial and satellite IoT modules share many similarities. They both offer the necessary connectivity and processing power for devices to exchange data and come in multiple form factors depending on the deployment requirements. From PCBs intended to be built-in to the sensor array, to fully ruggedised and waterproof devices with integrated processing, storage and security features.

What’s more, all IoT modems require an antenna, the size of which will depend on the signal strength needed. Satellite IoT devices can have surprisingly small antennas if the orbiting satellite service operates in a high frequency, like Iridium (see the patch antenna on the RockBLOCK 9603, which measures just 25 x 25 x 4mm). Other satellite network operators leverage lower frequencies, which require larger, external antennas – Swarm, for example, needs a 20cm antenna to communicate with its satellites.

Terrestrial and satellite IoT modules also exhibit distinct differences that set them apart:

Connectivity Coverage

Satellite IoT modules use satellite networks to provide connectivity, whereas other IoT modules typically rely on cellular networks, Wi-Fi, or other forms of terrestrial connectivity. This allows devices equipped with satellite IoT modules to communicate from virtually anywhere on the planet, even in areas with limited or no cellular coverage.

Module Cost

Satellite IoT modules can be more expensive than other IoT modules due to the specialised hardware and software required to enable satellite connectivity. However, as the technology matures and the demand for satellite IoT applications grows, costs have already, and are likely to continue to, come down.

Communication Latency

Due to the time taken for signals to travel to and from satellites in space, satellite IoT modules can experience higher latency than their terrestrial counterparts. However with Low Earth Orbit (LEO) satellite constellations, for example Iridium, latency can be less than one second, providing high-quality, low-latency communication.

Further benefits to Satellite IoT

SECURITY AND DATA PRIVACY

Satellite IoT networks employ robust security measures to protect data transmission and ensure privacy. Encryption and authentication protocols are implemented to safeguard data integrity and prevent unauthorised access. Firewalls and VPNs are leveraged when data travels over public infrastructure like the internet, but this can be completely circumnavigated with either private lines or a private satellite network like TSAT.

RELIABLE AND RESILIENT

Satellite networks are designed to be highly reliable and resilient. They are less susceptible to environmental factors, natural disasters, or infrastructure failures that can disrupt terrestrial networks. Typically offering high reliability and uptime, satellite IoT ensures consistent data transmission and device communication even in challenging and remote environments.

SCALABILITY

Satellite IoT networks offer scalability to accommodate a large number of connected devices. Businesses can scale their IoT deployments without concerns about network capacity limitations or infrastructure upgrades. This scalability is crucial for projects that require the connection of a large number of sensors, devices, or assets spread across vast areas.

RAPID DEPLOYMENT

Satellite IoT modules enable rapid deployment, especially in remote or temporary setups. They eliminate the need for building new terrestrial infrastructure or relying on existing networks. Companies can quickly establish IoT connectivity in remote or disaster-stricken areas, facilitating faster response times and data collection.

Satellite connectivity installation in remote area

The Future of IoT modules

The previously mentioned research from IoT Analytics, also noted that the integration of satellite connectivity options into LPWA chipsets, spearheaded by companies like Qualcomm, has the potential to accelerate the adoption of hybrid IoT devices. Sony Semiconductor has already introduced ALT1350, the first cellular IoT LPWA chipset with satellite connectivity, expanding the communication capabilities of IoT devices beyond conventional network limitations. This significant development paves the way for new possibilities in the IoT landscape. By incorporating satellite connectivity into LPWA chipsets, further innovation and growth are projected. Until then however, the combination of satellite and terrestrial networks still delivers organisations the flexibility to realise the full potential of their IoT deployments.

Choosing the right Satellite IoT modules

The majority of satellite IoT modules are proprietary technology. Simply, they are designed to leverage a specific satellite network, for example, Viasat, and often a specific airtime service, for instance, IoT Pro. As each satellite network offers different coverage, reliability, latency and so on, and each service allows different data rates, message sizes and more, its key companies evaluate their connectivity needs thoroughly. Satellite connectivity can be expensive (see our post on how to reduce satellite connectivity costs), so typically businesses will only use this for areas of their IoT network where they are struggling with connectivity, or for the purposes of failover or backhaul. In any case, businesses should assess their data transmission requirements and select the most appropriate satellite airtime service for their application, before considering their hardware options.

If you do have any specific queries related to airtime, please don’t hesitate to get in touch. We’ve been doing this for over 20 years and though we have significant relationships with both Iridium and Inmarsat we’re not tied to any one provider, just helping you find the best solution for your project and budget.

Comparing popular Satellite IoT devices and airtime services

	RockBLOCK 9603 Short Burst Data (SBD) Products	RockREMOTE Iridium Certus 100 Devices	Cobham 540 Explorer IoT Pro Terminals
Service Provider:	Iridium	Iridium	Viasat
Connection Type:*	Messaging-based	IP-based service	IP-based service
Data Speeds:	n/a*	22 Kbps up, 88 Kbps down	448 Kbps up, 464 Kbps down
Response Time:	<1 second	<1 second	<2 seconds
Coverage:	Global	Global	Global, exc. polar region
Power Efficiency:	Very high	High	High
Ideal Applications:	Data buoys Weather balloons UAVs Vessel Management Systems (VMS) Environmental monitoring	Industrial Control Systems Data loggers SCADA telemetry Pipeline monitoring Smart farming	Real-time surveillance High volume metering High volume telemetry Smart grid, smart metering, reclosure control
Service Provider:	Iridium Short Burst Data (SBD) Products	Iridium Iridium Certus 100 Devices	Viasat IoT Pro Terminals

Once companies have selected their preferred airtime service, it’s important to consider the interfaces and integration options provided by the satellite IoT modules. It is important to determine if the modules support the necessary interfaces (e.g., UART, SPI, I2C) for seamless connectivity with IoT devices or sensors. Additionally, assessing compatibility with standard IoT protocols (e.g., MQTT, HTTP) is vital to ensure smooth integration within your existing IoT infrastructure.

Another aspect that businesses need to assess is the size and form factor of the satellite IoT modules. Consider any space limitations, weight restrictions, and physical constraints that may be relevant. For instance, if your application requires burying sensors or housing them within an enclosure, antenna options must be considered. Depending on factors such as the enclosure material, an external antenna may be required to enhance signal strength. This improves communication reliability and can help facilitate clear line-of-sight with geostationary satellite networks.

Moreover, companies must verify that the satellite IoT modems comply with relevant certifications and regulatory standards applicable to their target markets. Compliance with certifications like FCC, CE, and RoHS ensures adherence to quality, safety, and environmental standards. For those with deployments spanning larger geographical areas, it’s prudent to ensure that there are no local restrictions for satellite connectivity; some countries such as India restrict use without prior government approval.

Additionally, it is important to assess the cost considerations associated with the satellite IoT modules. This includes evaluating module pricing, airtime costs, and any additional fees or licensing requirements. Considering the total cost of ownership over the desired lifespan of the IoT project will provide a comprehensive understanding of the financial implications.

Finally, though satellite IoT modules are designed to be power efficient, it is necessary to evaluate power consumption. Depending on the deployment scenario, it might be worthwhile to consider modules that can leverage alternative power sources such as solar power, like the Iridium Edge Solar.

By carefully considering these factors, companies can make informed decisions when selecting satellite IoT modules, ensuring optimal integration, performance, and cost-effectiveness for their specific IoT projects.

Overall, satellite connectivity is a game-changer for IoT, enabling devices to operate in previously unreachable areas and opening up new possibilities for businesses and industries. By choosing the right satellite IoT module and airtime service, businesses can unlock the full potential of IoT and drive innovation in their respective fields.

Exploring the Power of Satellite IoT

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The Internet of Things (IoT) has already transformed industry with access to unprecedented levels of connectivity, data collection, and analysis. By enabling devices to connect and communicate with each other, IoT has facilitated smarter, faster business decisions across almost every sector. A reported 77% of surveyed companies had deployed at least one IoT project in 2021, and the remaining 23% were said to either be trialling a project or planned to within the next two years.

The benefits of IoT projects can be grouped into three categories: Operational Efficiency (improving business processes), Customer Experience (enhancing customer relationships), and Growth Opportunities (new revenue streams). Consulting firm McKinsey estimated IoT could enable $5.5 to $12.6 trillion of value globally by 2030. But 75% of businesses reported struggling with connectivity issues when trialling IoT projects, and 91% believe that satellite connectivity is key to improving the effectiveness of IoT solutions.

What is satellite IoT?

IoT describes a system of interconnected devices, which are also connected to the internet. Satellite IoT describes the systems and networks, or assets within a network, which are connected via satellite. This can include a variety of devices such as sensors, trackers, and other smart devices, often located in remote or hard-to-reach areas where cellular coverage is not available or reliable, and where it wouldn’t make financial sense to build the appropriate infrastructure to support e.g. fibre connectivity.

Satellite-enabled devices collect data which is then transmitted to a satellite within the chosen network. The satellite relays the data to a ground station, from where it is sent to the application endpoint for processing and analysis. This enables real-time monitoring and control of devices and applications, even in remote locations, making it an ideal solution for industries such as oil and gas, agriculture, energy, and others.

Different types of Satellite IoT

There are three types of satellite networks used to support IoT connectivity: Low Earth Orbit (LEO), Medium Earth Orbit (MEO), and Geostationary (GEO).

For a more detailed overview on how satellite orbit heights impact satellite communication, please visit our satellite orbit height guide.

Categorised by satellite orbit height from the Earth’s surface, Low Earth Orbit (LEO) is the closest at 160 – 2,000km (99 – 1243 miles), followed by Medium Earth Orbit (MEO) which is relatively rare, with only 10% of satellites orbiting between 10,000-20,000 km from the Earth’s surface. The furthest orbit is Geostationary Orbit at 35,786 km (22,236 miles).

Satellite networks also differ based on deployment location and ground coverage area. This, to a degree, lends them to particular IoT use cases. For instance, cross-linked LEO satellite constellations offer low latency and global coverage, making them ideal for mobile applications like asset tracking. MEO satellites, with broader coverage areas, are used for global navigation and timing services. GEO satellites offer a stable, reliable connection that’s ideal for higher data rates in static use cases such as oil and gas pipeline monitoring.

Understanding the different types of satellite networks is key to choosing the right solution for your IoT use case.

LEO Satellite connectivity

Satellites in LEO orbit closest to the Earth and move quickly, taking just 90 minutes to circle the planet. These satellites are much smaller than their MEO and GEO counterparts and because of their proximity to the Earth, each satellite provides coverage to a relatively small area of the planet’s surface as it travels overhead. There are three commonly used ways to maximise coverage for satellites in LEO.

Some satellite operators – notably Iridium – create a mesh network to facilitate reliable connectivity. Satellites within a mesh network are able to communicate with one another, passing data from one satellite to another until the final destination is reached. Antennas communicating with a mesh network don’t need to be ‘pointed’ towards a single satellite, as data can be picked up by any satellite within the constellation and passed through the mesh network, to the ground station. This makes these networks ideal for mobile IoT applications, such as weather balloons or data buoys.

Another option is to have fewer satellites but more ground stations, so there are more places on Earth that can receive the data from the orbiting satellites. This allows for more bespoke local service provisions such as local network access, and is used by Globalstar and Orbcomm.

Newer entrant satellite operators have opted for a relatively large number of very small satellites (called cubesats); the sheer quantity of satellites means there’s almost always one overhead, so antennas don’t need to be pointed.

LEO satellite networks are well-suited for environmental and asset monitoring applications sending small data packets. The low-cost setup usually requires just one IoT device per modem, and service reliability is very high.

What about cubesats?

Cubesats – a form of nanosatellite – also operate in LEO. These miniature satellites are made up of standardised ‘units’ – 1U, 2U etc. indicates the size. They were initially developed for educational and technology demonstration purposes, but have now become a popular choice for a wide range of space missions, including Earth observation, communication, and scientific research.

Due to their small size and low cost, cubesats can be relatively inexpensively used to build constellations of satellites for various applications, including satellite IoT connectivity. However, their small size leads to a shorter operational life expectancy, so operators need large numbers of active and failover cubesats to ensure wide-spread and reliable coverage.

MEO Satellites

MEO satellites orbit the Earth at a higher altitude than LEO satellites, typically between 2,000 and 36,000 kilometres. As MEO satellites are comparatively larger than LEO satellites, they can cover larger areas of the globe’s surface and provide more stable connectivity. As such MEO satellites are commonly used in maritime and aviation applications, where constant connectivity is essential for safety and communication.

In addition, MEO satellites can facilitate higher data rates, making them ideal for IoT applications that require large amounts of data to be transmitted quickly, for example, video surveillance and remote sensing.

However, due to the higher altitude MEO satellites have a longer round-trip time, which can result in higher latency. Additionally, MEO satellites are more expensive to launch and maintain than LEO satellites, which can make them less accessible for smaller IoT applications.

Network operators include SES and Galileo.

Geostationary Satellites

Geostationary satellite connectivity for IoT applications involves the use of satellites positioned in a fixed spot above the earth’s equator, around 36,000 km away from the surface. This type of connectivity is suitable for applications that require high bandwidth and consistent signal coverage, such as video streaming, remote surgery, and aviation communications.

One advantage of geostationary satellite connectivity is its wide coverage area, with each satellite able to ‘see’ almost a third of the earth’s surface. This makes it ideal for providing connectivity in remote or hard-to-reach areas. Additionally, because the satellite is stationary, it can provide a constant link between the IoT device and the ground station.

However, the high altitude of geostationary satellites results in latency of about 700 milliseconds (compared to 50 milliseconds for LEO satellites), which can affect certain applications that require real-time responses. Also, because there are only a limited number of geostationary orbital slots available, the cost of launching a new satellite and securing a slot can be prohibitively expensive.

Despite these limitations, geostationary satellite connectivity remains a valuable option for IoT applications that require high bandwidth and wide coverage.

Network operators include: Viasat, Intelsat and Eutelsat.

Choosing the right type of satellite IoT

When it comes to choosing the right type of satellite IoT, there are many factors to consider. At Ground Control, we tend to take our customers through the following questions to help them narrow down their options:

How data intensive is your application?
How time-critical is receipt of your data?
Where are your assets located?
Are your assets fixed or mobile?
What level of data security is required?

Though that isn’t a comprehensive list, it should be enough to guide some initial investigations.

We understand that navigating the world of satellite IoT can be daunting, which is why our team of experts is always on hand to answer your questions and help you choose the right solution for your business. Contact us today at hello@groundcontrol.com to learn more about how we can help you connect anywhere in the world.

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The Internet of Things (IoT) describes connecting any device to other connected devices and the internet, or other communications networks. This allows all devices to collect and share data about their environment and how they are used. In short, IoT makes things smart.

Massive IoT then, is simply IoT on a massive scale; multitudes of sensors, connectivity and data processing to create new solutions. Many businesses have already adopted Massive IoT technology, citing reduced costs and wastage, and improved operational efficiency among the benefits.

Given its obvious applications to the Water industry – including smart metering and remote equipment monitoring – it’s unsurprising that sensors in the water and wastewater treatment industries are forecast to grow to $2 billion by 2030. But why is this so important?

Water is a finite, essential resource. In the UK alone, it’s estimated that by 2040 we’ll see between 50-80% less water in rivers during the summer months, and by 2050, the population will have risen from 67 million to 75 million. To put this in perspective, the Environment Agency has predicted England will run short of water within 25 years, with Sir James Bevan describing the country as facing the “jaws of death”.

Though total leakage across England and Wales has decreased over the last five years, Ofwat has estimated that currently, one fifth of all running water through pipes is lost to leakage. To even contemplate meeting increases in demand while navigating challenges such as urbanisation and climate change, suppliers must look to processes and infrastructure, across entire networks, to ensure these are as efficient as possible.

Technology advances have a history of providing the solutions we need, and thankfully, there are many ways Massive IoT is already and will continue to optimise operations for the Water and Wastewater treatment industries.

Factors driving Massive IoT adoption in the Water industry

The Water sector has already implemented a variety of sensors to monitor water quality, manage smart meters and optimise distribution. Traditionally infrastructure including pumps and reservoirs have been monitored using SCADA systems. However, the final segment of pipeline responsible for delivering water to a customer’s premises, has always remained somewhat unknown to suppliers. For information here, Water companies have relied heavily on feedback from customers; for example, calling to report a leak or fault.

As Jat Brainch, Chief Commercial and Product Officer at Inmarsat puts it – “you can’t manage what you can’t measure, and automation and digitalisation of the data capture process to collect granular, real-time results, is becoming increasingly essential”. In short, to be able to get a better handle on water management, companies need data, delivered consistently and reliably to inform decisions.

Moreover, as the risks and realities associated with climate change become better understood, so does the requirement for all organisations to reduce their overall environmental impact. This boils down to improving water optimisation and wastewater treatment so water can safely be recycled. Both of which can be better facilitated with IoT technologies.

5 ways Massive IoT can benefit Water and Wastewater companies

Smart water management
Water quality and safety monitoring
Improved customer engagement
Environmental monitoring and reporting
Equipment management and maintenance

1. Smart water management

Utilising IoT technologies such as sensors, geospatial mapping, and big data analytics, companies can efficiently plan, develop, distribute, and manage water resources. Real-time monitoring and predictive analytics enable transparent pipeline management, water conservation, leak detection, and optimised service planning.

2. Water quality and safety monitoring

Monitoring water quality is crucial to ensure that suitable quality standards are maintained at every stage of the water cycle, from collection through treatment and distribution.

Despite laws that require water companies to treat and dispose of wastewater, raw sewage and contaminants from factories are still legally and illegally dumped in waterways in much higher concentrations than are safe for human and animal health. Estimates reveal that in 2020, there were more than 400,000 instances of discharged raw sewage into English and Welsh rivers.

Real-time monitoring systems with sensors provide data on various parameters, including pH level, dissolved oxygen level, and turbidity. This data helps identify contamination sources faster and prevent further spread, ensuring suitable water quality standards are maintained throughout the water cycle.

3. Improved customer engagement

Advanced Metering Infrastructure (AMI) technology enables real-time data collection and evaluation of water consumption. Water companies can provide customers with real-time alerts about network damage, leaks, and adjust pricing based on insights. This empowers customers to make conscious decisions, leading to improved customer satisfaction, engagement, and reduced water consumption.

4. Environmental monitoring and reporting

Blocked, overflowing systems can cause flooding, erosion, turbidity, storm and sanitary sewer system overflow, and infrastructure damage. While most businesses have some form of environmental monitoring system in place, there are many challenges associated with measuring and reporting on water usage. For example, remote locations can be difficult to access and monitor; pipes can become blocked or damaged; and heavy rainfall can cause flooding and damage equipment.

By combining data from sensors within Powered Telemetry Modules (PTM), companies can monitor and forecast events such as flooding, erosion, and infrastructure damage. Utilising a variety of monitoring tools, proactive measures can be implemented to prevent and mitigate damage in areas most at risk.

OBSCAPE ENVIRONMENTAL MONITORING CASE STUDY

5. Equipment management and maintenance

Remote monitoring and analytics help identify deviations in asset performance, allowing companies to troubleshoot and address problems before they cause damage or disruption. Predictive maintenance software alerts technicians about necessary repairs, reducing maintenance costs and preventing larger repairs or outages.

Challenges to Massive IoT deployment success: Cost, cybersecurity and connectivity

Water infrastructure is vast. Due to the volumes required, the cost of modernisation and installation of new hardware is substantial. So much so that installation is often cited as the largest cost challenge when deploying IoT solutions at scale.

In addition, legacy systems and ageing infrastructures common to businesses within the Water and Wastewater sector means that adding devices may not be quite as simple as just installing. Often some level of customisation will be required to ensure newly introduced devices work well within existing operations.

However, IoT sensors, specifically those which are battery powered, have become increasingly cost-effective and providers don’t need to light up all pipelines within a network to reap benefits. When working with smart meters for example, even relatively small numbers can be used to affect change. After all, any increase in data and operation visibility can help water companies make smarter decisions and reduce maintenance costs.

Next, cybersecurity. Though Water companies must and do ensure processes require the very minimum of customer data in each instance, with increased data and data transmission, keeping this information secure from the reach of hostile parties becomes more difficult.

In 2021, a cyberattack attempt was made to tamper with the levels of sodium hydroxide in Oldsmar, Florida’s water supply. Thankfully the plant operator observed what was going on and the attack was blocked in time, but the incident does serve as a reminder of national infrastructure vulnerabilities.

Addressing this challenge requires companies and organisations to build security through every layer of the stack, and is essential to successful IoT deployment.

Finally, connectivity. It would be remiss to not highlight that the ability to quickly adapt to surges, peaks, and troughs is dependent on reliable, consistent data. Ultimately your decisions can only be as fast and as smart, as the data at hand allows. As water company networks tend to span over large areas, it’s likely some of your network will fall outside terrestrial coverage. It’s estimated that just 15% of the Earth’s surface is supported by cellular, whereas Satellite networks like Iridium cover everywhere and anywhere – including both poles.

What’s more, a recent paper found 75% of decision makers struggled to deploy their IoT projects because of connectivity issues. So it’s important companies consider connectivity options early on in IoT planning, opting for a connectivity strategy able to consistently support all assets within a network.

In addition, it’s key companies in Water and Wastewater industries ensure connectivity strategies include alternate connectivity options for backup and backhaul. This way, should there be a problem with the terrestrial networks due to e.g. bad weather or natural disasters, your IoT application isn’t negatively affected by long delays or gaps in data.

Simply, the benefits of Massive IoT are massive. Unlocking the power of smart devices and data analytics, through Massive IoT and AI, is key to ensure a more resilient, optimised and secure water network for the environment today and into the future.

More on IoT and the Utilities sector

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Satellite IoT is growing in popularity, providing reliable connectivity to remote locations that would otherwise be challenging or even impossible to reach with terrestrial networks. As the world becomes more connected, the demand for real-time data from even the most remote locations has increased. Satellite IoT provides the solution to this need by offering truly global connectivity for real-world applications.

Satellite IoT is being used in a variety of industries, including healthcare, agriculture, workforce safety, and more. Let’s dive into just some of the most prominent use cases for satellite IoT…

1: Healthcare

IoT has revolutionised the healthcare industry by providing innovative solutions to improve patient care, reduce costs, and increase efficiency. IoT in healthcare refers to the use of connected devices, sensors, and data analytics to collect and analyse patient health data in real-time. This could include remote patient monitoring, smart medical devices and wearable technology like fitness trackers and smart watches.

Satellite IoT can also facilitate medical and healthcare accessibility to patients in remote areas who are unable to travel. For example, utilising the RockBLOCK 9603 technology, satellite IoT has enabled the transportation and delivery of emergency and essential medical supplies to vulnerable people who are at high risk if they travel.

READ HEALTHCARE BY DRONE

2: Agriculture

The agriculture industry is utilising satellite IoT to enhance productivity and lower expenses. By monitoring soil moisture, temperature, and other environmental factors, farmers can optimise their crop yield and reduce waste. This is sometimes referred to as Smart Farming. Satellite IoT can also be used to track livestock and monitor their health – improving overall animal welfare and reducing losses.

COSMOS-UK has installed Viasat IoT Pro terminals at remote soil moisture monitoring locations, to help combat climate change. The soil moisture data intelligence delivered by the Hughes 9502 specifically, to agricultural and environmental scientists, has the potential to transform the way we understand and model the natural environment.

Furthermore, satellite IoT has supported Synnefa in Kenya, to operate outside of terrestrial infrastructure by transmitting sensor data to enable smarter predictions for optimum harvesting times. The introduction of precision farming has been so successful, Synnefa has been able to help farmers:

Save water by over 50%
Reduce fertiliser application rates by 41%
Increase production by 30% when compared to yields prior to the use of their devices.

SEE SYNNEFA SMART FARMING

3: Asset Tracking and Monitoring

Tracking and managing assets in real-time, providing valuable data on asset location at any given time is made possible with IoT technology. With satellite-enabled tracking devices, businesses can keep track of their assets no matter where they are in the world, even in the most remote locations. But here, it’s not just vessels, wind turbines and remote workers who can be tracked – animals can be too!

Illegal poaching is a big problem in Gabon, Africa. RockREMOTE with IMT enablement has equipped the rangers in Gabon with the latest in AI-powered camera trap technology to effectively monitor and prevent illegal poaching in the forest. With this advanced technology, endangered African species and iconic African wildlife have greater protection from poachers for this generation and the next.

4: Workforce and Personnel Safety

Satellite IoT can be harnessed to monitor the safety of lone or remote workers in hazardous environments. By providing real-time alerts in the event of an incident or emergency, companies can respond quickly and potentially save lives. For example, workers in mining or oil and gas operations can wear wearable devices that monitor their location and vital signs, alerting supervisors in the event of an accident or injury. In addition, monitoring remote military personnel and natural disaster response teams is critical to their safety and well-being.

For example, the RockSTAR device has been used by the Ministry of Defence in their training. The RockSTAR was paired with bluetooth heart rate monitors, meaning biometrics could be monitored throughout with the added benefit of worldwide tracking and two-way communications. As well as critical monitoring, satellite IoT can also be leveraged for more leisure-based tracking and monitoring applications – including ultra-marathon runners via the RockSTAR tracking and two-way communications device.

SEE MILITARY TRACKING

5: Energy and Renewables

The energy sector is also seeing the benefits of satellite IoT. The technology enables remote monitoring of renewable energy infrastructure in real-time, allowing for early identification of any faults or issues, thus preventing downtime and maximising energy output. The performance of renewable energy assets is also optimised by collecting and analysing data on weather patterns, energy production, and equipment performance. This data can be used to improve efficiency, reduce costs, and even enhance the lifespan of renewable energy assets.

With five hydroelectric power stations in Snowdonia, North Wales, RWE maximises its renewable energy output from the reservoirs with a remote IoT solution – the Hughes 9502.

READ ABOUT FACILITATING RENEWABLE ENERGY

Satellite IoT vs. Traditional Cellular Networks

While traditional cellular networks are sufficient for many use cases, they have limitations when it comes to remote locations.

One of the biggest advantages of satellite IoT is that it provides truly global connectivity, even in the most remote and inaccessible locations. Unlike traditional cellular or Wi-Fi networks, satellite signals can reach anywhere on the planet, making it ideal for industries where assets are remote or located in harsh environments.

With satellite IoT, data can be transmitted from quite literally anywhere in the world, making it ideal for applications where cellular coverage is limited or even non-existent. Satellite IoT is also more reliable than cellular networks in many cases, as it is resilient to interference or disruption from extreme weather events.

However, it’s not necessary to choose either terrestrial or satellite connectivity. Satellite networks can be deployed quickly and easily, using the same messaging protocols as terrestrial networks, allowing businesses to scale their operations up or down as needed without having to worry about the limitations of traditional networks. What’s more, for businesses and industries that require global connectivity, the cost of deploying and maintaining satellite IoT devices can often be less expensive than building and maintaining traditional terrestrial networks from scratch. It can also be cheaper than deploying remote field engineers to remote sites.

In Summary…

Satellite IoT provides reliable connectivity to remote locations; bridging the connectivity gap that would otherwise be difficult or impossible to achieve with traditional cellular networks alone.

From reliable communication to real-time data collection and analysis, satellite IoT is changing the game for businesses and entire industries that need to stay connected no matter where their assets are located. Furthermore, as satellite technology continues to evolve and become more affordable, we can expect to see even more innovative use cases emerge in the coming years.

More on Satellite IoT

Unlock the Full Potential of Your IoT Project

Incorporating satellite IoT into your existing business operations can revolutionise what you can achieve. With satellite IoT, you can access data and insights that were previously unavailable or difficult to obtain with traditional networks and connectivity options.

Contact us to discover the added value of satellite IoT to your business today. We’re here to help and provide solutions to your connectivity challenges.

In this post we’re exploring your options for wireless connectivity of IoT devices, and the differences between NB-IoT and LoRaWAN. We’ll see how LoRaWAN and satellite connectivity can work together to maximize coverage, connectivity, and cost control.

Why choose LPWAN as a wireless solution for widespread IoT devices?

This chart, courtesy of You Li, outlines the major technologies in place for the wireless connection of IoT devices. In short, if you need to transmit data wirelessly between sensors and gateways over a large area, you have the choice of cellular or LPWAN connectivity.

Cellular, however, is both expensive and power hungry, and carries the risk of the technology being retired (e.g. 2G and 3G networks being phased out). Further, only 15% of the Earth’s surface is covered by cellular networks (source: World Economic Forum).

LPWAN (Low Power Wide Area Network) technologies have a lot of plus points: battery lives that span years; low cost; long range. Only very small amounts of data can be transmitted, but that’s adequate for environmental monitoring, asset management, tracking, metering etc.

Within LPWAN there are many technologies and standards, and IoTForAll has an excellent article explaining the pros and cons of the main options. We’re summarising the most popular choices here.

LTE-M is USA-centric, but offers higher data rates than many, and cuts across borders with ease, so it’s good for mobile applications.

NB-IoT transmits less data but equally consumes less power; it’s generally lower cost, and more widely available outside of the USA than LTE-M. However it’s not yet effective for mobile use cases as it requires roaming agreements between different telco providers. It communicates with the cloud directly, unlike LoRaWAN which requires end nodes to transmit data to a gateway first, and from there to the cloud; this makes networking of NB-IoT easier (source). NB-IoT also offers the greatest wireless reach, with devices able to communicate wirelessly over distances as great as 22 km. This is dependent on location – NB-IoT works well in cities but is less stable in rural areas where cellular / wifi connectivity is limited.

LoRaWAN – which combines the standard for the physical layer (called LoRa), plus the MAC layer and application standards – is also typically used for static communication scenarios such as soil moisture sensors, water levels and quality, gas / oil pipeline monitoring and glacial melt. Because public networks extend across broad geographic regions, LoRaWAN can be used for some mobile IoT applications such as fleet monitoring and animal tracking too. Telecom operators operate public LoRa networks, but you can also set up your own private network relatively inexpensively. Wirelessly connecting devices up to 16 km apart, LoRaWAN has no dependence on cellular or wifi, and so offers relatively stable coverage in rural and remote areas (source).
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LPWA connection share by technology, 2020-2025

By 2025, it’s anticipated that on a global scale, NB-IoT and LoRa will, between them, have 84% of the share of LPWA connections (Statista).

Where does satellite IoT come into the picture?

All of the LPWAN technologies need to be able to transmit their data to the cloud, and if they operate far outside of cellular or wifi coverage – i.e. in very remote locations such as mountains, oceans, deserts and forests – they need a mechanism for data backhaul.

Diagram showing how satellite and LoRaWAN networks communicate

In this example, sensors are transmitting data using LoRaWAN to the hub, or gateway. The hub receives the data, optimizes the payload (this is important to keep data transmission costs down), and will transmit the data via satellite if cellular is not available.

In this example, we’re using a satellite constellation in Low Earth Orbit – Iridium – which has 66 satellites overhead, ensuring that 100% of the globe can connect with their satellite network. The satellite returns the sensor data to a ground station, from where it’s forwarded to the application service, database or dashboards.

Iridium is a great choice, but there’s no reason in principle why you couldn’t also transmit to a geostationary satellite network such as Inmarsat, as long as your gateway or hub has line-of-sight to the satellite.

One of Ground Control’s customers is using this method to capture sensor data from a remote reservoir in Wales, UK. The automated monitoring system is designed to alert engineers to potential equipment failures, to minimize the need for unplanned maintenance visits. Challenges included the lack of mobile phone coverage, no provision of a telephone line or ADSL connection, and a wide area distribution of a large number of sensors. A cabled solution was quickly ruled out due to the logistical challenges, time and cost implications. The solution: using satellites to backhaul LoRaWAN network data.

Where else can you see satellites and LoRaWAN working together?

Agriculture for a wide range of monitoring applications including nutrients, soil temperature and moisture levels or keeping tabs on water quality
Mining for monitoring the status of tailings storage facilities (TSFs), resource and pipeline monitoring
Transport and logistics to track end-to-end to reduce supply chain losses or monitor vehicles to prevent theft
Environmental agencies to monitor everything from deforestation to ocean plastic
Oil and Gas for pipeline and offshore site monitoring
Renewables for solar array and wind farm monitoring.

Recommended satellite terminals for LoRaWAN data backhaul

If your use case is static and not in the polar regions, Viasat IoT Pro service will meet your needs, with its tried and trusted geostationary satellites. The Cobham Explorer 540 or the Hughes 9502 are both reliable and economical devices which can be solar or battery powered.

A robust option which will work for both static and mobile applications is the truly global Iridium satellite network. Iridium has two airtime options for IoT data – Short Burst Data (SBD) or Certus 100. SBD is a message-based platform and can transmit payloads of up to 340 bytes up, 270 bytes down. This isn’t usually enough for aggregated data from a LoRaWAN gateway. If you need more capacity, or an IP-based solution, Certus 100 offers both: an IP transmission option at 22 / 88 Kbps, or a message-based option (called IMT) capable of 100kB / message.

For Certus 100 we’d recommend the RockREMOTE (for use within an enclosure) or RockREMOTE Rugged.

Would you like to know more?

If your sensors are widespread and in a remote area without terrestrial connectivity options, we can help! Solving remote connectivity challenges is what Ground Control exists to do.

Call or email us, or complete the form, and one of our expert team (we've been doing this for over 20 years) will be in touch to discuss your options.

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Industry 4.0, alias, Fourth Industrial Revolution, describes the integration of advanced technologies such as the Internet of Things (IoT), Artificial Intelligence (AI) and robotics, quantum computing, genetic engineering and more. It represents a shift to a more connected world, whereby the lines between the digital and physical are blurred.

Also referred to as Smart Industry, Industry 4.0 is transforming businesses, enhancing and optimising operations with real-time monitoring and control, and enabling new business models, for example, mass customization.

Cisco’s Annual Report predicted there would be almost 30 billion connected devices by 2023 and Statista estimated 15.1 billion would be IoT connected devices. Though we are still scratching the surface of the possibilities open to us as a result of IoT and Industry 4.0, more generally, all of these technologies and outcomes are dependent on connectivity. Without connection, the insights available via data transmission and analysis remain elusive.

Meeting the demands of a connected world

In order to support this increasingly connected world, governments and organizations have largely focused on building out high-speed broadband networks, expanding wireless coverage and investing in smart city infrastructure. Though some parts of the globe have made significant progress, not least those in developed countries, there are still substantial gaps. At the beginning of 2023 it was estimated that just 64.4% of the global population had access to the internet.

In November 2022, the UK government pledged £5 billion to deliver gigabit-broadband to a minimum of 85% of premises by 2025 and the original target of ‘nationwide’ was pushed back to 2030.

The role of 5G in Industry 4.0

5G’s role in the future of Industry 4.0 is significant. 5G enables a much larger number of connected devices to operate simultaneously, with faster response times and higher levels of reliability. This is particularly important for IoT applications that require real-time data processing, such as smart city infrastructure.

The 5G triangle represents the full spectrum of capabilities, from high speed data transfer to low latency connectivity for mission critical applications, and efficient connectivity for the large number of IoT devices that will be connected to the network.

1. Enhanced Mobile Broadband (eMBB)

Fast data transfer, low latency
Data transfer speeds up to 20 Gbps and latency as low as 1 millisecond
Use cases: High bandwidth applications, for example, video streaming and virtual reality.

2. Ultra-Reliable Low Latency Communication (URLLC)

Low latency, high reliability
Latency as low as 1 millisecond and reliability of up to 99.999%
Use cases: Mission-critical applications such as autonomous vehicles.

3. Massive Machine-Type Communication (mMTC)

Low power, low bandwidth
Designed to support up to 1 million devices per square kilometre
Use cases: Applications with a high volume number of devices. For example, automated supply chain management, infrastructure for smart cities.

In addition, 5G can help to address some of the key challenges facing IoT, such as security and privacy, by providing more robust and reliable connectivity.

However, though 5G is capable of delivering broadband across short distances, it was designed to enhance coverage in urban regions with dense populations – not for rural, remote areas. 5G is currently sitting at an 8% global adoption rate, with terrestrial networks more widely covering just 15% of the globe. It’s clear telecommunications infrastructure alone cannot support this new, interconnected world.

As Tom Stroup, President of the Satellite Industry Association explains – “We’ve seen a recognition that many of the things that are desired by 5G can only be achieved with the ubiquitous coverage that satellite networks provide.”

The future of 5G: Satellites

Though connectivity is about more than coverage, one of the primary benefits of leveraging satellites in 5G networks is 100% global coverage. Unlike traditional mobile networks or fibre connectivity which rely on infrastructure, satellites can provide coverage anywhere and everywhere on Earth.

Another advantage is that Low Earth Orbit (LEO) satellites can deliver low latency, high speed connectivity. Latency is an important consideration for time critical applications such as remote surgery or autonomous vehicles where delays could lead to severe consequences. As LEO satellites are positioned between 160 – 2,000km (99 – 1243 miles) from the Earth’s surface, latency can be as low as 20 milliseconds which is comparable to that achieved via terrestrial networks. Moreover, the additional bandwidth would place 5G networks in the best possible position to accommodate ever increasing data traffic and number of connected devices.

Ultimately satellites could be used to complement 5G networks in three main ways:

Expanding coverage to include rural, remote areas,
Creating redundancies, and
Additional backhaul.

Though it’s likely the role of satellites will look slightly different depending on the country and region and thus bandwidth and coverage already available, if successful these could lead to several additional business models.

But the how is slightly more complicated. Interoperability isn’t a new conversation within the communications industry but it wasn’t until 2017 that a formalized working group recommended 5G technology should be able to integrate non-terrestrial networks (NTN) such as fibre and satellites. Fast forward to July 2020, 3GPP Release 16 began to address this challenge.

What is
3GPP?

The Third Generation Partnership Project (3GPP), is a collaboration between various telecommunications standards organizations. The main focus of the 3GPP is to develop specifications for wireless communication systems, including 2G - 5G technologies. These specifications include protocols for cellular networks, as well as guidelines for interoperability between different devices and networks, including non-terrestrial networks.

3GPP Release 16: Benefits and shortfalls

Release 16 outlined multiple significant improvements not least, access technology standards for using higher frequency New Radio, supporting greater signal bandwidth and lower latency. Of those relating to interoperability, dual connectivity was extended to support NTN. Meaning in theory satellites could connect assets in rural areas where cellular coverage was limited and integrated access and backhaul was named as an area of study.

Despite these improvements, there were some associated shortfalls. One of the main challenges with 5G over satellite is latency. While as previously mentioned, Low Earth Orbit (LEO) satellites can achieve latency times as low as those associated with cellular, this isn’t always possible.

For geostationary (GEO) satellites, which are located roughly 34,000km above the Earth’s surface vs LEO’s 160 – 2,000km, the round-trip time is longer; closer to 270 – 540 milliseconds. As Release 16 didn’t account for this, it meant satellite operators needed to develop their own solution to mitigate potential latency issues.

What’s more, Release 16 didn’t account for mobility issues. This is more applicable to LEO satellites as these networks create a mesh of satellites around the globe and pass data as required between satellites and various ground stations. Particularly in the case of asset tracking applications where assets are moving, mobility and thus handing data from one satellite to another, becomes more important.

While Release 16 defines the interfaces between the UE and the core network, it does not provide detailed guidance on how to handle handovers between terrestrial and satellite networks. This can result in disruptions to the user experience as the UE moves between different network environments.

Ultimately Release 16 highlighted the importance of collaboration. Just one great example formed following Release 16 is that between Inmarsat and MediaTek in late 2020.

Their collaboration involved a successful field trial which ultimately contributed to 3GPP’s Release 17 standardization work on NTN. Utilising NB-IoT technology, a bi-directional link from MediaTek’s satellite-enabled narrowband service to Inmarsat’s Alphasat L-band GEO satellite was established. As Jonathan Beavon, Senior Director at Inmarsat concluded – “testing MediaTek’s standard NB-IoT chip over Inmarsat’s established GEO satellite network has proven technology from mobile networks works effectively over GEO satellites with little modification and will provide a very cost effective path to ubiquitous and hybrid global IoT coverage.”

Release 17

In 2022, 3GPP Release 17 marked the most recent standard for 5G Networks and was the first to outline technical specifications for direct-to-device 5G over satellite.
3GPP Release 17 timeline. Original source: https://www.3gpp.org/specifications-technologies/releases/release-17

Specifically addressing interoperability, Integrated Access and Backhaul (IAB), and network slicing were extended to support NTN. The former, IAB, is particularly relevant for satellite operators as it helps address issues associated with latency by providing a more direct connection between device and satellite. Network slicing on the other hand is best exemplified by applications such as smart cities. Network slicing enables specific applications within the wider smart city network to utilize allocated network slices. So in the case of traffic monitoring and management, prioritising the utilization of a low latency, high bandwidth network slice ensures this application is better supported.

Release 17 also included additional features for dual connectivity. These cover support for more advanced network slicing configurations, which can help to improve the efficiency of network resources.

Moreover, Release 17 outlined enhanced support for Low Earth Orbit (LEO) satellites. Mobility issues were addressed by new features such as satellite handover, enabling seamless connectivity as devices move from one satellite to another.

The future of wireless communications

Release 17 was the first to position satellites as a critical component of the 5G ecosystem. Though this is a significant step forward, introducing new technology into any architecture is not something which can be achieved overnight and in the case of satellites, there are two relatively large challenges to integration: regulatory and capital. There may be regulatory issues related to spectrum allocation and licensing and there are well documented business challenges related to the cost of deploying and operating satellite networks.

In the case of satellites, it’s not quite as simple as changing a SIM or updating firmware over the air. Satellites are largely programmed prior to launch. In most cases it would mean launching additional satellites within a constellation to add the technology required to support these interoperability features.

If for example, satellite operators had incorporated 2G or 3G network technology, both of which are now in the process of sunsetting, those additional features would be becoming redundant. In short, there are benefits to maintaining proprietary technology and this is how many of the longer standing satellite operators have conducted business.

Currently many of the in-built phone functions depend on 5G NTN technology. However, despite the noise the reality of integration is slow. Qualcomm’s new Snapdragon X75 chipsets, leveraging Iridium’s satellite network are due for sampling in Q2 of 2023 (now), with expected select shipping estimated for Q3 and 4. Other companies, including Apple have demoable tech which incorporates NTN using Qualcomm X65 chipsets but this is limited to one usable band – n53.

In short, while advances are exciting and once this tech does land it’s expected to be very disruptive, we are still very much in the early stages of development. So the exact role of satellites within 5G architecture and Industry 4.0 more generally is unclear.

What is clear however, interoperability is top of mind for many just now. Just this week, 13th March 2023, Iridium’s CEO Matt Desch hosted a session at the SATELLITE 2023 event titled The Satellite-Cellular Convergence – A New Era for the Telco Industry?

The last few years within the satellite industry has seen incredible growth and innovation but not all new players entering space will be here for the long term. Just as not all technology within the 3GPP standard – NB-IoT (Narrowband Internet of Things), LTE-M (Long-Term Evolution for Machines), 5G NR – will be here for the long term. The challenge now lies with satellite operators and bodies such as 3GPP to create and maintain technology standards which all players can bet on. Ultimately, the only way we will achieve a fully connected world capable of supporting Smart Industry is with both 5G and Satellite technology because without connection, nothing is smart.

More on IoT connectivity

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... But not sure where to start? We can help. Interoperability can be a real challenge for those with IoT projects. Having partnered with satellite network providers such as Iridium and Inmarsat for well over a decade, we have access to competitively priced tariffs, and almost all of our products allow dual connectivity.

So if you are working on an IoT project and would like some no pressure, objective advice, simply fill in the form and one of our expert team will get back to you.

The renewables landscape is changing. The International Energy Agency (IEA) reports that the ‘global energy crisis has triggered unprecedented momentum behind renewables, with the world set to add as much renewable power in the next 5 years as it did in the past 20’.

The rise of renewable energy and the pitfalls of unplanned maintenance

Partially due to Russia’s invasion of Ukraine, countries are increasingly motivated to invest in renewable energy technologies to reduce reliance on imported fuels. Wind and solar energy in particular will account for over 90% of the renewable power capacity that is added globally over the next five years, according to the IEA.

So what does this mean for wind power in Europe?

Solar and wind power generated more than a fifth (22%) of its electricity in 2022, pulling ahead of fossil gas (20%) for the first time, according to the European Electricity Review 2023. However, many wind farms are located in remote areas and have limited resilience against severe weather, power outages and downtime due to unplanned maintenance.

In the case of the latter, often, renewable energy providers rely on physical onsite maintenance to restore energy production, requiring significant resources, time and cost. It presents energy providers with a big challenge. Research by Wood Mackenzie Power into renewables in 2019 found that $8.5 billion was spent on unplanned repairs and corrections caused by component failures in wind operations.

This cost could be lowered and potentially avoided if sensors for predictive maintenance were operable, and the data generated is available consistently and in close to real-time. It’s an area where satellite IoT connectivity makes economic sense.

How SCADA data helps keep the turbines turning

For each wind farm – onshore or offshore – SCADA (supervisory control and data acquisition) data is reported. This includes weather data such as wind direction, various turbine parameters, and errors encountered by the system, normally at 10-minute intervals.

It’s this historical SCADA data that provides invaluable insights to generate a robust approach to monitoring turbine performance, identifying patterns and predicting failures for better predictive maintenance planning and less downtime. Via satellite-driven data monitoring, renewable data intelligence is delivered in seconds. This enables engineers, maintenance managers and data scientists the ability to plan, predict and act to close the gap in remote wind turbine data monitoring challenges.

Why there's a better way than cellular, fiber and onsite personnel

Unlike cellular and fiber connectivity – which in many cases is not a feasible solution due to the remote locations of wind farms – satellite IoT is truly global. Satellite connectivity ensures reliable remote data monitoring from individual turbines to entire wind farms allowing optimization and ongoing performance assurance of wind energy output.

IoT Pro terminals (previously known as BGAN M2M) are designed to connect monitoring and control applications in remote, unmanned locations like wind farms, to provide visibility and management of those assets. Remote management of the terminal can be achieved via SMS, eliminating the reliance on on-site maintenance crews, mitigating unplanned downtime and saving costs.

As an example, an experienced Field Engineer has a day rate of approx. 350 euros plus fuel, company vehicle maintenance and overtime. In contrast, the cost of operating a Viasat-enabled satellite connectivity terminal can be as little as 60 euros per month for up to 20MB; not only is this a clear saving over physically sending an engineer into the field, the data is available in close to real-time, all the time.

SCADASat by TSAT enables renewable providers to cost-effectively and reliably transmit remote SCADA, telemetry and M2M data – all in a secure network. The platform is highly scalable with low operating costs compared to the new installation and maintenance of fiber connectivity. It is compatible with both IP and legacy serial devices and operates independently from terrestrial communications systems, both complementing and offering an alternative solution to terrestrial networks, ensuring transmission at all times.

City, Satellite and Wind Turbines composite image

How satellite IoT closes the gap with IoT Pro

Operating on both Viasat IoT Pro and cellular 2G/3G/LTE networks, these devices keep data flowing to enable predictive maintenance.

While wind farm resilience against severe weather will continue to be tested, the challenges of power outage predictions and production downtime due to unplanned maintenance can be solved via the adoption of IoT Pro solutions.

How we can help overcome your data monitoring challenges

Ground Control can solve renewable energy monitoring challenges with satellite IoT. We help our customers achieve an accurate, real-time, 360 view of their data and operations; anywhere and everywhere. If you’d like some impartial advice on the best device and airtime for your data monitoring requirements, get in touch. With 20 years’ of experience, we’re confident we can help.

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We're here to help. With highly experienced staff based in the UK and USA, we're here to talk through your most challenging remote connectivity requirements.

Complete the form, or if you prefer to speak to someone directly, call us on +44 (0) 1452 751940 (Europe, Asia, Africa) or +1.805.783.4600 (North and South America).

Connectivity is often identified as a barrier to IoT deployment success. Inmarsat’s 2023 Enterprise Insights ranked access to reliable IoT connectivity as a top challenge with over one third reporting difficulties (34%); and 33% struggling to implement IoT solutions in remote locations.

To harness the full value of IoT enablement, terrestrial, fibre and Long Range Wide Area Networks (LPWAN) are vital. But these networks are limited. Covering approximately 15% of the Earth’s surface, they do not provide the global coverage essential to capture all data points and fail to capture valuable insights from the most remote locations. This is where satellite IoT connectivity can help.

A staggering 91% of businesses surveyed by Inmarsat believe satellite connectivity is key to improving the effectiveness of IoT solutions. But many still consider satellite connectivity expensive. Our response? It’s far more cost-effective than you might think.

How to reduce Satellite IoT connectivity costs

IoT applications consist of multiple, connected devices which collect and analyse data in real-time. Applications dealing with mission critical data often also have devices intended for failover comms in the event that their main form of connectivity fails. To maximise project value, reliable connectivity is essential.

Since connectivity costs are largely based on the volume of data sent, optimising data mobility can significantly reduce overall connectivity costs while maintaining maximum project value. Below are 5 ways businesses can reduce their overall satellite airtime costs:

Remote terminal management
Real-time data management
Determine required data for each application
Diversify connectivity options
Edge computing

1. Remote terminal management

To keep operational costs low, designing a network which minimises manual intervention is key. Understandably then, many organisations with devices in remote locations will activate terminals and set these to always-on. Though this is rarely required, physically sending engineers to deactivate/reactivate terminals wouldn’t be worthwhile. But for companies who are able to control terminals remotely, for instance, deactivating devices when applications aren’t live.

Some companies offer platforms which allow remote activation, suspension, and deactivation. Often these platforms will allow companies to either leverage the API to integrate this service into their own platform or use an online UI to manage their device portfolio, irrespective of device location. In the case of Ground Control, this is managed through our platform Cloudloop. Available via a customer-friendly UI or integrated directly into your business’s ecosystem, Cloudloop puts users in control of their devices and data.

LEARN MORE ABOUT CLOUDLOOP

2. Real-time data management

Typically customers benefit from better data rates within service plans as opposed to pay-as-you-go options. So accurately predicting and then choosing the right data plan for each device before you start using it is an easy way to make sure you’re getting the best rate for your airtime. The other benefit is avoiding overage charges: these are applied if companies go over their allocated data allowance and are usually more expensive than the contracted rate. Again, having a well defined view of your data requirements will minimise the amount of times you incur overage costs. If this is a relatively new IoT deployment, companies will likely need to make an educated guess. For those who feel less confident doing so, we recommend you speak to connectivity providers with experience of similar setups so they can advise on likely usage.

Moreover certain airtime and hardware providers offer data management services, allowing organisations to monitor device data usage in real-time. These help businesses avoid bill shock, making appropriate adjustments in real-time and identify if there is a particular device significantly above or below expected use. The latter can be used to help detect early signs of equipment failure or potential security breaches, so companies can take proactive measures.

3. Determine required data for each application

Many businesses apply the same data transmission settings across all devices, all applications. Instead, adjusting settings based on actual application requirements can have a considerable impact on overall connectivity costs. For example, if you choose to send sensor data every 15 minutes but the application only requires data input once an hour; or is only monitoring data to ensure levels remain within specific parameters, you’ll be paying for unnecessary transmissions.

Frequency of data packets
First, consider whether your project or application could tolerate a longer delay between data packets. For some applications it’d likely make little to no difference. Trial adjusting settings so instead of data being sent/received every 15 minutes, this becomes every 30 minutes or even once an hour.
Reporting on exception
Second, does your company require all sensor data? A lot of the data involved in IoT applications verifies that operations are running as expected. Instead, can you configure your system and/or devices to only send data that falls outside set parameters – reporting on exceptions. Not all devices have this functionality but even incorporating a small number capable of supporting exception reporting like the RockREMOTE can lead to a substantial reduction.

4. Diversify connectivity portfolio

The satellite communications industry has seen incredible growth and innovation in the last few years. As such, the options available for both networks and services within those networks have diversified.

For businesses with IoT projects already up and running it’s worth reviewing satellite airtime plans; can cost savings be achieved through simple renegotiation, could assets within your network be switched to alternative more cost-effective services? There are multiple nuances to consider but the savings could be substantial.

One of the most important considerations is regarding message packet size. When utilising Iridium Certus 100, the minimum cost per session is 5KB allowing for a maximum of 20 sessions within (for example) a 100KB monthly bundle. In contrast, with Iridium’s Short Burst Data (SBD) service the minimum is just 10 bytes, meaning users could send 10,000 message packets. Depending on your application’s data requirements this could have a substantial impact. Though SBD is limited to a total of 340 bytes up and 270 bytes down, this is ideal for most asset tracking applications and often one of the most cost-effective satellite services.

For those who need to cover more complex telemetry projects for instance, in the Utilities sector, it’s more likely setups will leverage Viasat’s IoT Pro service (previously known as BGAN M2M). In these situations more practical measures such as ensuring terminals are accurately pointed, reducing the likelihood of message packets being dropped, can help reduce overall costs.

5. Edge computing

Edge computing is an emerging computing paradigm, which has arguably become a bit of a buzz term. In short, it allows companies to process data where the data is being generated – at the edge. This reduces overall data transmission, for example, to the cloud. Though data processing within the cloud has become popular in recent years, to achieve this, companies must first employ the relatively expensive transport mechanism of getting all data to the cloud. Instead, with edge computing, businesses can be more efficient with the volume of data sent, conducting some processing locally.

Again, not all devices are able to facilitate edge processing and typically companies with more established IoT deployments may have hundreds, if not thousands of units. So though it might not be economical to replace all units, in situations where terminals are reaching end of life or those organising a new IoT deployment, choosing edge-computing-capable devices could be worthwhile. Edge-computing-capable devices can reduce overall connectivity costs and extend the life of other units within the network. So even a relatively small investment could prove beneficial.

Illustration representing edge computing

As satellite technology advances with the likes of nanosats, it’s likely satellite communications will continue to become more cost-effective and services more diverse. In the meantime there are many tactics companies can employ to optimise data mobility and thus reduce satellite IoT costs.

If you or your team would like any advice on the best network or service fit for an IoT application, or would like to review your satellite IoT airtime costs, simply fill in the form below and one of our team will get in touch.

More on Satellite IoT

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The Agriculture industry is facing a number of significant challenges, not least, providing food security to a growing population. The United Nations Food and Agriculture Organisation has estimated that food production will need to increase by 70% by 2050, to meet the needs of the expected 9 billion population.

Labour remains key to harvest, especially with specialty crops – typically representing 20-50% of the overall crop budget. But factors such as an ageing workforce, increasing competition for labour from other industries and foreign labour costs continue to widen the gap between available and required labour. A challenge further exacerbated by Brexit and more recently, the pandemic.

Moreover, Agriculture is highly water dependent and the impacts of Climate Change are contributing to scarcity and shortages. In short, there are many trials facing the Agriculture sector. All necessitate an increase in Agricultural productivity.

Technology has long provided solutions and there has been an increase in interest and investment in AgriTech solutions. Predicted to reach $46,372 million by 2030, global AgriTech is a well established yet fast developing market.

What is AgriTech?

AgriTech describes the use of technology to produce more with less. This spans tractors to drones, milking machines to vertical farming and automation. These help farmers and agriculturalists increase efficiency from field monitoring, to the food supply chain itself.

AgriTech includes the Internet of Things (IoT) which has and continues to transform almost every sector – Agriculture is no exception. IoT refers to a network of connected devices that collect and share data with other devices and communications networks, allowing for real-time monitoring and control of various systems.

In Agriculture, IoT devices include sensors that measure soil moisture, temperature, and other environmental factors, as well as weather stations, drones, animal tracking collars, and other connected devices that can provide valuable data about crops and livestock. This data can then be used by farmers to make more informed decisions, for example, when to irrigate.

IoT in Agriculture

Ground Control is proud to work with a number of customers driving IoT in Agriculture forward. Just one great example is Synnefa. Synnefa provides IoT devices integrated with farming software to 8,726 farmers across Kenya.

The combination of data from IoT devices in the field, farmer activity and trend analysis, help deliver insight to either enable the farmer to make more informed decisions; or use Synnefa’s smart greenhouses to automatically complete tasks, for example fertilisation, based on sensor data.

The results:
• 50% reduction in water usage
• 41% reduction in fertilizer application rates
• 30% average increase in production when compared to yields before IoT device implementation.

PRECISION FARMING WITH SYNNEFA

What are Autonomous Agricultural Robots?

Autonomous Agricultural Robots (AAR) are machines that can perform agricultural tasks without human intervention. Equipped with various sensors, cameras and other technologies, they can navigate fields and perform specific tasks, including planting and monitoring and managing livestock.

The sensors, software and connectivity which enable these machines to collect and exchange data, means AARs can be considered a type of IoT. So these machines are able to communicate with other IoT devices, such as irrigation systems, enabling farmers to create more integrated and efficient farm management systems.

Common applications of Agricultural robots

1. Harvesting crops

Through detection and classification of plants and their characteristics, robots can be programmed to harvest crops based on factors that indicate ripeness, for example colour. Those with GPS systems can be used in tandem with pickers working in fields. As these robots benefit from speed and accuracy, they can improve yield size and reduce waste while reducing workforce reliance.

2. Drones

Can be used in multiple ways within Agriculture to automate tasks and improve crop yields. Some examples include:

Crop monitoring: equipped with sensors or cameras, drones can be flown over fields to collect data on crop growth, health and water stress. This data can then be used to create detailed maps enabling farmers to identify areas which need attention and adjust irrigation or fertilizer application.
Crop spraying: fitted with spray nozzles, drones can apply pesticides and other chemicals with high accuracy, minimising the amount needed.
Livestock monitoring: utilizes drone cameras to allow real-time information on animal health and behaviour. This can be used to help track grazing patterns or even identify stressed or sick animals.

3. Weed control

Ag operators can use autonomous robots to control weeds in a more precise, efficient and environmentally friendly method when compared to traditional methods. Just three common examples:
Automated mechanical weeding: soil-based weeders can navigate autonomously around fields, detecting plants via infrared sensors or cameras. Once weeds are detected, machines use a rotary cutter to cut these at ground level.
Chemical spraying: uses autonomous robots to apply herbicides to weeds in a targeted manner. The robot can use computer vision to identify weeds and spray only the areas where weeds are present, reducing the amount of chemicals used and minimizing the impact on the environment.
Thermal weeding: similarly to the above, autonomous robots use computer vision to identify weeds and target them with an appropriate amount of heat to kill the weed, negating the use of chemicals.

4. Autonomous tractors

Using a combination of sensors, GPS technology and cameras, these self-driving vehicles can perform tasks such as ploughing, tilling, and spraying crops.

They can also be used to collect data regarding soil health, crop growth and weather conditions while they work, enabling farmers to focus on other tasks, for example ensuring proper drainage.

5. Planting crops

Agricultural robots are able to track the position of rows while planting, adjusting their trajectory accordingly, to ensure precise spacing between each seedling. GPS-based equipment also allows farmers to program the AAR with desired planting depth based on field location to give the crops the best chance of survival.

The opportunities associated with the use of autonomous agricultural robots as part of precision agriculture systems are significant – improved efficiency, labour productivity, minimised environmental impact, all while increasing crop yields.

Though AARs are still very much within their evolutionary infancy, autonomous tractors and drones in particular have become increasingly popular tools. A recent report valued the global autonomous farm equipment market at $62.89 billion and went on to predict market value would reach $250.6 million by 2028.

As with any relatively new technology, there are a number of challenges. Not least, connectivity. As Rohan Rainbow of Grain Producers Australia puts it – “more than half the farmers in Australia have no access to cellular phone connectivity… That’s actually quite a challenge if you want to service your machine or just run diagnostics on whether this machine is performing correctly and providing that information back to the operator.”

Beyond data transmission, the main issue associated with poor or no connectivity is when machines in the field detect an obstacle. When this happens, without the connectivity to receive a go/no go command the machine will sit still until either the perceived obstacle moves, or the Ag operator notes the machine isn’t where expected and goes to find and then reset it. To put this into context, even in the UK those utilising autonomous agricultural robots found they were having to go into the field roughly once every 10 hours.

As connectivity specialists it would be remiss to not highlight the role of satellite connectivity in overcoming these challenges. After all, to gain the true value-add from any of these applications, resilient communications are essential and only satellite offers ubiquitous coverage.

Overcoming connectivity challenges with the RockREMOTE Rugged

Designed for permanent outdoor installation in harsh environments, the RockREMOTE Rugged is ideal for fixed or mobile environments anywhere in the world. Featuring a new form factor, waterproof and vibration tested, the RockREMOTE Rugged connects assets and machines with Iridium satellite or LTE networks.

Featuring an omni-directional antenna, the RockREMOTE Rugged is able to securely connect remote IoT assets using IP or message-based protocols. The powerful Linux-based operating system offers containerized hosting for edge-computing applications.

Having spoken with a number of manufacturers, we’re confident the RockREMOTE Rugged is a great solution for any Agricultural manufacturers or OEMs looking for a robust, reliable communications system.

As we design and build the Rock series of products in-house, it’s also possible to customize devices – get in touch if you have a particular requirement in mind.

Looking for a communication solution for your AgTech?

We’d love to hear from you. Ground Control has been delivering satellite connectivity solutions for over 20 years. Already proud to work with a number of OEMs and manufacturers, you can find out more about our partner programme following the button below.

To discuss further what satellite connectivity could look like within your machines, and how we might be able to make that process as simple as possible - fill in the form and one of our expert team will be in touch.

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