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Towards a high-throughput and low power reconfigurable architecture of advanced OFDM modulator for software-defined radio systems

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4 Author(s)
Sahnine, C. ; R&D Div., Orange Labs., France Telecom, Meylan ; Zergainoh, N. ; Callonnec, D. ; Petrot, F.

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.

Published in:

Circuits and Systems, 2007. NEWCAS 2007. IEEE Northeast Workshop on

Date of Conference:

5-8 Aug. 2007