A DFDD Based Detector for Space-Time Block Coded Differential Spatial Modulation Under Time-Selective Channels

被引：6

作者：

Xiu, Haotian ^{[1
]}

Yang, Lin ^{[1
,2
]}

Yu, Daizhong ^{[1
]}

Gao, Peiyuan ^{[1
]}

Li, Zhe ^{[3
]}

Song, Qingping ^{[4
]}

Yue, Guangrong ^{[1
]}

机构：

[1] Univ Elect Sci & Technol China, Natl Key Lab Sci & Technol Commun, Chengdu 611731, Sichuan, Peoples R China

[2] Zhongtian Broadband Technol Co Ltd, Nantong 226000, Peoples R China

[3] China Acad Launch Vehicle Technol, Dev Dept, Beijing 100076, Peoples R China

[4] Beijing Inst Control & Elect Technol, Sci & Technol Informat Syst Engn Lab, Beijing 100038, Peoples R China

来源：

IEEE COMMUNICATIONS LETTERS | 2022年 / 26卷 / 02期

基金：

中国国家自然科学基金; 国家重点研发计划;

关键词：

Detectors; Complexity theory; Liquid crystal displays; Fading channels; Receiving antennas; MIMO communication; Simulation; Multiple input multiple output (MIMO); space-time block coding (STBC); differential spatial modulation (DSM); time-selective channel; WIRELESS SYSTEMS;

D O I：

10.1109/LCOMM.2021.3132697

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

Space-time block coded differential spatial modulation (STBC-DSM) is a recently proposed spectral efficient multiple-input-multiple-output (MIMO) transmission technique. Existing detection algorithms for STBC-DSM are designed for quasi-static channels, which limits the application of STBC-DSM in fast fading channels. In this letter, we propose a novel decision-feedback differential detection (DFDD) based detector for STBC-DSM system under fast-fading channels. The proposed detector mitigates the impact of channel vector changes by using the DFDD metric which contains multiple previous detection results. Simulation results show that the proposed detector is more tolerable in time-selective channels than other existing STBC-DSM detectors.

引用

页码：359 / 363

页数：5

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