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Design of low-power, 1 GS/s throughput FFT processor for MIMO-OFDM UWB communication system

Author:
Liu, Liang  Ren, Junyan  Wang, Xuejing  Ye, Fan  


Journal:
2007 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOLS 1-11


Abstract(summary):

A new 8PBF structure for 64/128 flexible point FFT processor is proposed. The processor, which is based on 8*8*2 mixed radix algorithm, can deal with multiple inputs more efficiently for MIMO applications. The 8PFB structure efficiently brings the throughput of the processor up to 1GS/s and the chances of register reverse down, reducing the power dissipation remarkably. Meanwhile the modified shift-add algorithm can remove complex multipliers in the fit processor.


Page:
2594---2597


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