Wi-SUN solution speeds smart city application development

April 19, 2021 // By Rich Pell
Wi-SUN solution speeds smart city application development
Semiconductor company Silicon Labs has announced a fully integrated, certified Wireless Smart Utility Network (Wi-SUN) solution designed to simplify Low-Power Wide Area Network (LPWAN) deployment for smart cities.

The solution combines the company's EFR32 wireless Gecko SoC hardware platform, full-featured IPv6 mesh stack, and advanced development tools to enable secure wireless connectivity for a broad range of applications, from advanced metering infrastructure (AMI) to street lighting networks, asset management and smart city sensors such as parking, air quality and waste management. Its new standards-driven Wi-SUN technology, says the company, opens the door to new Internet of Things (IoT) market opportunities and accelerates smart city application development.

"As the leader in IoT wireless connectivity, Wi-SUN is the perfect addition to our portfolio," says Matt Johnson, senior vice president and general manager of IoT Products. "Wi-SUN is a comprehensive solution optimized for large scale, long-range LPWAN networks. Our Wi-SUN technology enables a non-proprietary approach to industrial and smart city applications, making deployments more scalable, resilient and safer."

Wi-SUN is certified by the Wi-SUN Alliance, a global industry association devoted to seamless LPWAN connectivity. Wi-SUN builds upon standard Internet protocols (IP) and APIs, enabling developers to extend existing infrastructure platforms to add new or emerging applications serving a wide range of industrial and smart city workflows. Built to scale due to its long-range capabilities, high-data throughput and IPv6 support, Wi-SUN simplifies wireless infrastructure for cities and expanding suburban areas.

Phil Beecher, president and CEO of the Wi-SUN Alliance says, "The Wi-SUN Alliance's mission is to bring Smart Ubiquitous Networks to service providers, utilities, municipalities and other smart city enterprises. We are pleased to see Silicon Labs and other alliance member companies innovating new solutions on the Wi-SUN FAN specification, which defines everything needed to build secure, reliable, and resilient networks for large scale outdoor smart city applications."

The first family of Silicon Labs' wireless SoCs to support Wi-SUN is EFR32xG12, a 32-bit Arm Cortex-M4 platform with up to 1 MB of flash and 256 kB of RAM as well as an integrated +20 dBm PA for sub-GHz frequencies. The company says


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