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Efficient Design Approach and Advanced Architectures for Universal OFDM Systems

Auteur(s) : C. Sahnine, N.-E. Zergainoh, D. Callonnec, F. Pétrot

Doc. Source: PhD research in Microelectronics and Electronics (PRIME’07)

Publisher : IEEE

Pages : 33-36

Doi : 10.1109/RME.2007.4401804

OFDM modulation is widely used in several communications systems. An advanced modulation scheme, called OFDM/OQAM with IOTA pulse shaping has been identified as one potential method to enhance the performance of these systems. Nevertheless, the IOTA filtering increases the architecture complexity. Moreover, for high-throughput communication of the order of about of hundreds of MHz, we showed that pipelined FFT architecture combined with IOTA filter are not area and power-efficient coarse-grained configurable architecture using parallel architecture and combined with pipelined strategy, offers a better tradeoff between scalability, performance and low power.