An Ultra Low Power SIMD Processor for Wireless Devices
This paper presents an ultra low power programmable processor architecture for wireless devices that support 4G wireless communications and video decoding. To derive such an architecture, first the authors analyzed the kernel algorithms that constitute these applications. The characteristics of these algorithms helped define the wide-SIMD architecture, where the SIMD width can be configured at run time to the specifics of the algorithm being executed. For ultra low power operation, the authors advocate operating the processor at near threshold voltage.