Frequency Domain Equalization for Single and Multiuser Generalized Spatial Modulation Systems in Time Dispersive Channels

被引：7
|
作者：
Souto, Nuno [1 ,2 ]
Correia, Americo [1 ,2 ]
机构：
[1] ISCTE Univ Inst Lisbon, Dept Informat Sci & Technol, P-1649026 Lisbon, Portugal
[2] Inst Telecomunicacoes, Radio Syst Grp, P-1649026 Lisbon, Portugal
来源：
IEEE WIRELESS COMMUNICATIONS LETTERS | 2020年 / 9卷 / 03期
关键词：
Generalized spatial modulations (GSM); large scale MIMO (LS-MIMO); single carrier with frequency domain equalization (SC-FDE);
D O I：
10.1109/LWC.2019.2953270
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this letter, a low-complexity iterative detector with frequency domain equalization is proposed for generalized spatial modulation (GSM) aided single carrier (SC) transmissions operating in frequency selective channels. The detector comprises three main separate tasks namely, multiple-input multiple-output (MIMO) equalization, active antenna detection per user and symbol wise demodulation. This approach makes the detector suitable for a broad range of MIMO configurations, which includes single-user and multiuser scenarios, as well as arbitrary signal constellations. Simulation results show that the receiver can cope with the intersymbol interference induced by severe time dispersive channels and operate in difficult underdetermined scenarios.
引用
收藏
页码：316 / 320
页数：5
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