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Internet of Things gets major distance boost from IBM and Semtech
12 October 2013
IBM and Semtech Corp., a leading supplier of analog and mixed-signal semiconductors, announced a significant advancement in wireless technology, combining IBM software and Semtech hardware to create a system capable of transmitting data up to a distance of 15 km (9 miles), depending on the environment, with significantly improved ease-of-use.
The joint solution, comprising IBM’s Mote Runner software and Semtech’s SX127x with LoRa, will be demonstrated at European Utility Week in Amsterdam 15-17 October in the Semtech/Future Electronics booth.
Over the next 15 years, the number of machines and sensors connected to the Internet will explode, creating what is called the Internet of Things (IOT). According to IMS Research, there will be more than 22 billion web-connected devices by 2020. These new devices will generate more than 2.5 quintillion bytes of new data every day, while every hour enough information is transported on the Internet to fill seven million DVDs.
To make wireless sensor networks (WSN) easier to program and use, IBM has developed a software development kit called Mote Runner which provides an open and programmer-friendly platform to connect sensor and actuator motes.
This platform is now available on the Semtech SX1272 RFIC to create a system capable of covering a range of 15 km (nine miles) in a semi-rural environment and up to five km (three miles) in dense urban environments. For comparison, the maximum distance today of a smart-meter transceiver in Europe, utilizing FSK modulation, is between one and two kilometers (1.2 miles).
The new sensors will utilize a star network architecture with each gateway capable of handling millions of transactions per day making it an ideal system to easily deploy any number of applications from smart metering to remotely monitoring train tracks.
The IBM and Semtech sensor platform utilizes Semtech's new LoRa (long range) modulation technology to enable major range improvements over alternative modulation methods.
The additional range provided by LoRa, of up to 15 km, will eliminate the need for repeaters in these applications, significantly simplifying the system design and lowering the total cost of deployment.
The Semtech SX127x IC for the end nodes and the SX130x for the gateway are extremely low power making the system suitable for battery-operated devices. The adaptive link rate capabilities maximize battery lifetime, improve capacity of the network and improve scalability. The LoRa modulation also provides significant improvement interference robustness compared to traditional modulation techniques.
IBM Mote Runner is an easy to use, infrastructure platform for WSNs. The software is based on a highly-optimized virtual machine tailored from scratch for resource-constrained hardware environments with tight power and resource budgets. Uniquely, the platform even allows applications to be loaded and updated over-the-air even after deployment, similar to the way mobile apps are updated on smartphones.
The development environment of IBM Mote Runner comprises a complete tool chain to develop applications in high-level object-oriented languages such as Java and C#, providing support for source-level debugging and network simulations to ease application development and testing. A web-based deployment and monitoring framework, in concert with edge and backend servers, finally make IBM Mote Runner an end-to-end-solution for the development, deployment, integration and visualization of wireless embedded applications.
IBM Mote Runner has been widely used in a broad range of Internet-of-Things applications including the monitoring of snow accumulation in the Sierra Mountains to the measuring of air quality in cities.
The SX1272 is available immediately for sampling and in production quantities.
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