By M. Sarrafzadeh, A. K. Katsaggelos (auth.), Magdy A. Bayoumi (eds.)
Over the previous few years, the call for for prime pace electronic sign Proces sing (DSP) has elevated dramatically. New functions in real-time photograph processing, satellite tv for pc communications, radar sign processing, development recogni tion, and real-time sign detection and estimation require significant advancements at a number of degrees; algorithmic, architectural, and implementation. those perfor mance necessities should be accomplished through utilizing parallel processing in any respect degrees. Very huge Scale Integration (VLSI) know-how helps and gives a very good road for parallelism. Parallelism bargains effective sohitions to numerous difficulties that can come up in VLSI DSP architectures similar to: 1. Intermediate information conversation and routing: numerous DSP algorithms, similar to FFT, contain over the top info routing and reordering. Parallelism is a good mechanism to reduce the silicon rate and accelerate the professional cessing time of the intermediate heart levels. 2. advanced DSP functions: the mandatory computation is nearly doubled. Parallelism will permit related channels processing whilst. The verbal exchange among the 2 channels should be minimized. three. Applicatilm particular structures: this rising method may still in achieving real-time functionality in an economical approach. four. Testability and fault tolerance: reliability has develop into a required function in so much of DSP platforms. to accomplish such estate, the concerned time overhead is important. Parallelism could be the technique to hold ac ceptable velocity performance.
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