Interference-mitigation based BICM-FBMC-ID receiver

LIN Meng; LI Yunzhou; XU Xibin; WANG Jing

doi:10.16511/j.cnki.qhdxxb.2017.22.053

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Journal of Tsinghua University(Science and Technology) ›› 2017, Vol. 57 ›› Issue (8) : 872-877,883. DOI: 10.16511/j.cnki.qhdxxb.2017.22.053

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Interference-mitigation based BICM-FBMC-ID receiver

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Abstract

Fifth generation (5G) mobile communications using asynchronous multiple access machine-to-machine communications will use non-orthogonal multicarrier signals. A filter bank-based multicarrier signal with offset quadrature amplitude modulation (FBMC/OQAM) is one candidate waveform. This study analyzed the effect of narrow band interference (NBI) and residual intrinsic interference (RⅡ) on FBMC systems. Interference mitigation models were then designed for the NBI and RⅡ for a receiver based on a combination of FBMC and bit-interleaved coded modulation with iterative decoding (BICM-ID) to further improve the performance. Simulations show that the FBMC is more robust to NBI than cyclic prefix orthogonal frequency division multiplexing (CP-OFDM). After several iterations, the receiver approaches the Genie performance bound which assumes perfectly known interference. The iterative performance of different constellation types are also compared.

Key words

filter bank-based multicarrier with offset quadrature amplitude modulation (FBMC/OQAM) / bit-interleaved coded modulation with iterative decoding (BICM-ID) / narrow band interference (NBI) / residual intrinsic interference (RII)

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LIN Meng, LI Yunzhou, XU Xibin, WANG Jing. Interference-mitigation based BICM-FBMC-ID receiver[J]. Journal of Tsinghua University(Science and Technology). 2017, 57(8): 872-877,883 https://doi.org/10.16511/j.cnki.qhdxxb.2017.22.053

References

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