Time-domain turbo equalization for single-carrier generalized spatial modulation

Xiao, Lixia, Xiao, Yue, Zhao, Yan, Yang, Ping, Di Renzo, Marco, Li, Shaoqian, and Xiang, Wei (2017) Time-domain turbo equalization for single-carrier generalized spatial modulation. IEEE Transactions on Wireless Communications, 16 (9). pp. 5702-5716.

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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.

Item ID: 50872
Item Type: Article (Research - C1)
ISSN: 1558-2248
Keywords: spatial modulation (SM), generalized spatial modulation (GSM), turbo equalization, minimum mean-square error (MMSE)
Funders: National Science Foundation of China (NSFC), Fundamental Research Funds for the Central Universities (FRFCU), Foundation Project of Science and Technology on Electronic Information Control Laboratory (FPSTEICL), ZTE Industry-Academia-Research Cooperation Funds
Projects and Grants: NSFC Grant 61501095, NSFC Grant 61671131, FRFCU Grant ZYGX2015J011, FPSTEICL Grant JS17041403811
Date Deposited: 27 Sep 2017 07:43
FoR Codes: 10 TECHNOLOGY > 1005 Communications Technologies > 100510 Wireless Communications @ 100%
SEO Codes: 89 INFORMATION AND COMMUNICATION SERVICES > 8901 Communication Networks and Services > 890103 Mobile Data Networks and Services @ 100%
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