So Whisper can be configured to be full precision, or a subset, which is good enough for most IoT yet still WiFi compliant. Then the power comes down by half and the area comes down by almost by half.
The core is designed to use a partner MIPS processor for several of the MAC functions, such as packet processing, encryption, and queue management to reduce the power further. "The other thing we have done is to be able to use the MIPS processor as a mini host when you don't need a complicated stack, especially with a headless device," says Edgar.
Imagination plans to roll out a series of Whisper RPU cores based around the architecture in the fourth quarter. "Many devices claiming to address IoT today are in fact repurposed from other markets such as mobile or embedded, but don't fully address the extreme low-power and cost requirements that this market will demand," says Tony King-Smith, EVP of marketing at Imagination. "With new Ensigma Whisper RPUs, customers can create a whole new generation of life-enhancing and efficiency-focused devices targeting markets as diverse as eHealth, energy, agriculture, security, and many other areas."
Article first published on EE Times Europe.