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Article Dans Une Revue IEEE Transactions on Circuits and Systems II: Express Briefs Année : 2016

Low-complexity pipelined architecture for FBMC/OQAM transmitter

Résumé

Filter-Bank Multi-Carrier with Offset Quadrature Amplitude Modulation (FBMC/OQAM) is considered by recent research projects as a key enabler for the future 5G air interface. It exhibits better spectrum shape and improves mobility support compared to Orthogonal Frequency-Division Multiplexing (OFDM). Therefore, the availability of efficient hardware implementations becomes of high interest. In this context, a novel pipelined hardware architecture of the transmitter capable of supporting several filter lengths and targeting low complexity is proposed and compared to typical FBMC/OQAM and OFDM implementations. For a short prototype filter, the proposed architecture provides a complexity reduction of 40 to 50% in terms of computational and memory resources with respect to a typical FBMC/OQAM transmitter. In addition, it greatly reduces the complexity gap to OFDM making this modulation scheme particularly attractive from performance and implementation perspectives.

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Dates et versions

hal-01270780 , version 1 (08-02-2016)

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Jérémy Nadal, Charbel Abdel Nour, Amer Baghdadi. Low-complexity pipelined architecture for FBMC/OQAM transmitter. IEEE Transactions on Circuits and Systems II: Express Briefs, 2016, 63 (1), pp.19 - 23. ⟨10.1109/TCSII.2015.2468926⟩. ⟨hal-01270780⟩
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