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Orthogonal frequency division multiple access is a technique in which single data stream is transmitted with small rate of subcarriers. OFDM system needs FFT processor for generation of subcarriers. A Radix-2 Based 32 bit and 64 Point Pipeline FFT Processor Using bit parallel multiplication process for OFDM system is presented in this paper. Proposed architecture uses single path delay feedback FFT...
An efficient VLSI architecture of 1-D DWT based on lifting scheme is proposed for high speed applications. Multipliers are difficult to fabricate on chip and occupy more area. The paper presents multiplier-less DWT architecture. Since the lifting scheme suffers the longer critical path, irregular datapath, data dependencies. The critical path of proposed architecture is Ta which is the minimum possible...
It has been observed that there has been a great interest in computing experiments which has been useful on shared nothing computers and commodity machines. We need multiple systems running in parallel working closely together towards the same goal. Frequently it has been experienced and observed that the distributed execution engine named MapReduce handles the primary input-output workload for such...
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