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OFDM/CDMA 통신용 부분 병렬 FWHT 프로세서 설계
황지우(Jiwoo Hwang),황용택(Yongtaek Hwang),김민수(Minsu Kim),유호영(Hoyoung Yoo) 대한전자공학회 2023 대한전자공학회 학술대회 Vol.2023 No.6
In this paper, we propose an efficient FWHT architecture for OFDM and CDMA communications, aiming to achieve low hardware complexity and intuitive structure compared to previous designs. Since FWHT is based on Cooley-Tukey algorithm, it has a similar data flow to FFT. Previous research has explored applying FFT structures to FWHT architectures but encountered the trade-off issues between hardware complexity and process ing throughput in limited hardware resources. The proposed Partially parallel FWHT architecture utilizes an efficient data reordering process to provide improved performance in terms of hardware complexity and efficiency compared to previous architecture.