Feature: Sensor technology
Satellite IoT opportunities
truck rolls by a maintenance engineer. From that perspective, satellite IoT clearly provides good value and return on investment. Low-power satellite connectivity
and low-price data will enable massive growth in IoT markets, providing huge opportunities across multiple business verticals, including agriculture, asset tracking, logistics, utilities, energy infrastructure and maritime. Satellite IoT is an important step in the
global expansion of IoT overall. Direct sensor-to-satellite communications revolutionises IoT potential through this affordable ubiquitous connectivity for remote areas.
Network choices Among the growing number of satellite IoT providers, there is a range of connectivity options, including licensed and unlicensed spectrum. LoRaWAN, the Low Power, Wide Area Network (LPWAN) protocol in the unlicensed spectrum, enables affordable connectivity and can seamlessly connect to public and private LoRaWAN networks as well as satellites. Te LoRa Alliance recently upgraded
its guidelines to include Long-Range Frequency Hopping Spread Spectrum (LR-FHSS) data rates for the LoRaWAN standard. LR-FHSS enables reliable low- power data links directly from sensor to
satellite. LEO satellite constellations will connect vast and remote areas around the globe and support millions of end nodes, to deliver a new level of reliable connectivity for IoT services. However, satellite IoT should be seen as part of an overall IoT networking strategy rather than a replacement for current terrestrial LPWAN connectivity. Its value is in its ability to augment terrestrial LPWAN networks and provide a fallback for terrestrial networks, whilst acting as a default for those situations where it is the only available method. Sensors can be connected to satellite
IoT terminals, and, as the market expands in 2022/3, many sensor manufacturers will look to embed LoRaWAN satellite capability into their systems to offer global connectivity, making it easy to set and deploy.
Sensor to satellite, everywhere
Changing the landscape for agriculture Sensor-to-satellite technology promises real change for good – not least in the world of agriculture. Even before the war in Ukraine and the growing global instability, there have been increasing concerns around food security. According to a recent UN report on the State of Food Security and Nutrition in the World, between 720 and 811 million people in the world went hungry in 2020. And according to an African agriculture and COVID-19 report published by McKinsey, up to
30 July/August 2022
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