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Computing unto 100GOPS without cooling is essential for high-end embedded systems and much required by markets. A novel master-slave multi-SIMD architecture and its kernel (template) based parallel programming flow is thus introduced as a parallel signal processing platform, ePUMA, embedded Parallel DSP processor with Unique Memory Access. It is an on chip multi-DSP-processor (CMP) targeting to predictable...
Energy consumption is an issue in general in information and communication technologies (ICT), but also cellular communications in particular. Base station sites are the main energy consumers in a mobile network. Their energy consumption significantly contributes to green house gas (Co2) emissions. It has been found that digital baseband is the main contributor to dynamic part of the power consumption...
In many DSP applications (image and voice processing, baseband symbol decoding in high quality communication channels) several dBs of SNR loss can be tolerated without noticeable impact on system level performance. For power optimization in such applications, voltage overscaling can be used to operate the arithmetic circuitry slower than the critical circuit path delay while incurring tolerable SNR...
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