Modified codewords design for space-time block coded spatial modulation

被引：8
|
作者：
Hua, Yuhao [1 ]
Zhao, Guannan [2 ]
Zhao, Wenjing [1 ]
Jin, Minglu [1 ]
机构：
[1] Dalian Univ Technol, Sch Informat & Commun Engn, 2 Linggong Rd, Dalian, Peoples R China
[2] Liaoning Normal Univ, Sch Phys & Elect Technol, 850 Huanghe Rd, Dalian, Peoples R China
来源：
IET COMMUNICATIONS | 2017年 / 11卷 / 02期
关键词：
space-time block codes; phase shift keying; phase coding; orthogonal codes; trellis coded modulation; spectral efficiency; super-orthogonal space-time trellis code; STBC-SM; M-ary phase shift keying; space-time block coded spatial modulation; modified codeword design; ORTHOGONAL DESIGNS; COMMUNICATION; ARCHITECTURE;
D O I：
10.1049/iet-com.2016.0122
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Two kinds of modified codewords for space-time block coded spatial modulation (STBC-SM) are presented in this study. The first modified codeword introduces a concept of flexible coefficients into the M-ary phase shift keying STBC-SM. A method is proposed to obtain the optimal flexible coefficients. Moreover, the first modified codewords can also be applied to the systems developed from the STBC-SM. In the second provided codewords, super-orthogonal space-time trellis codes are applied in STBC-SM. Therefore, a higher spectral efficiency is obtained compared with the original STBC-SM. Finally, the simulation results and theoretical analysis demonstrate these performance advantages of the two kinds of modified codewords for STBC-SM.
引用
收藏
页码：249 / 257
页数：9
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