N-Continuous Signaling for GFDM

Wei, Peng, Xiao, Yue, Dan, Lilin, Ge, Lijun, and Xiang, Wei (2020) N-Continuous Signaling for GFDM. IEEE Transactions on Communications, 68 (2). pp. 947-958.

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Abstract

An N-continuous generalized frequency division multiplexing (GFDM) transceiver architecture is studied with the objective of striking a balanced trade-off between the bit error rate (BER) and the sidelobe suppression performance. More specifically, in the proposed N-continuous GFDM signaling, the basis signals constructed allow one to make the GFDM signal N-continuous and attain a compact spectrum as an explicit benefit of sidelobe suppression. We further reveal that compared to conventional N-continuous orthogonal frequency division multiplexing (NC-OFDM), N-continuous GFDM introduces relatively low interference through evaluating the signal-to-interference ratio (SIR). Secondly, a signal recovery algorithm is presented by constructing a recovery matrix to eliminate the interference. Finally, it is demonstrated that the proposed N-continuous GFDM scheme outperforms its N-continuous OFDM counterpart in terms of sidelobe suppression, while achieving moderate BER performance degradation as opposed to original OFDM.

Item ID: 62835
Item Type: Article (Research - C1)
ISSN: 1558-0857
Keywords: Generalized frequency division multiplexing (GFDM), N-continuous orthogonal frequency devision multiplexing (NC-OFDM), sidelobe suppression, spectral leakage
Copyright Information: (C) IEEE
Funders: National Science Foundation of China (NSFC), Science & Technology Development Fund of Tianjin Education Commission for Higher Education (TECHE)
Projects and Grants: NSFC 61901298, TECHE 2018KJ21
Date Deposited: 15 Apr 2020 07:46
FoR Codes: 40 ENGINEERING > 4006 Communications engineering > 400607 Signal processing @ 100%
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