Time-Domain Turbo Equalization for Single-Carrier Generalized Spatial Modulation

Abstract : In this paper, low-complexity time-domain turbo equalization (TDTE) detectors based upon soft-interference-cancellation (SIC)-aided minimum mean-square error (MMSE) criterion are proposed for single carrier generalized spatial modulation (SC-GSM) systems. First, a symbol-by-symbol-aided TDTE detector for application to the small-scale GSM systems is proposed, where the zero symbols are considered as constellation points when performing SIC. Then, vector-by-vector-aided TDTE (VV-TDTE) detectors for application to larger-scale antenna systems are introduced, where the GSM symbol is treated as an entire vector when performing SIC. As for the proposed VV-TDTE detectors, in addition, different time-varying filter coefficients are designed, in order to strike a flexible tradeoff between complexity and performance. By relying upon extrinsic information transfer chart analysis, we show that the proposed TDTE detectors are capable of providing considerable bit error rate performance gains over existing TDTE detectors and over the classic frequency-domain equalization-based MMSE detector, especially for the unbalanced antenna configurations.
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Article dans une revue
IEEE Transactions on Wireless Communications, Institute of Electrical and Electronics Engineers, 2017, 16 (9), pp.5702 - 5716. 〈10.1109/TWC.2017.2713777〉
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https://hal.archives-ouvertes.fr/hal-01879972
Contributeur : Frederic Dufaux <>
Soumis le : lundi 24 septembre 2018 - 13:54:18
Dernière modification le : mardi 27 novembre 2018 - 15:27:32

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Lixia Li, Yue Xiao, Yan Zhao, Ping Yang, Marco Di Renzo, et al.. Time-Domain Turbo Equalization for Single-Carrier Generalized Spatial Modulation. IEEE Transactions on Wireless Communications, Institute of Electrical and Electronics Engineers, 2017, 16 (9), pp.5702 - 5716. 〈10.1109/TWC.2017.2713777〉. 〈hal-01879972〉

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