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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 especially for high-throughput communication of the order of about of hundreds of MHz. In this paper, we propose a coarse-grained configurable architecture of advanced OFDM modulator/demodulator using parallel architecture and combined with pipelined strategy suitable for software defined radio. This solution offers a good tradeoff between scalability, performance and low power.
Date of Conference: 5-8 Aug. 2007