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In this paper, an area-efficient FFT processor is proposed for IEEE 802.16m mobile WiMAX systems. The proposed scalable FFT processor can support the variable length of 512, 1024, 2048 and 4096. By reducing the required number of non-trivial multipliers with mixed-radix (MR) and multi-path delay commutator (MDC) architecture, the complexity of the proposed FFT processor is dramatically decreased without...
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