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- Title
Modified codewords design for space-time block coded spatial modulation.
- Authors
Yuhao Hua; Guannan Zhao; Wenjing Zhao; Minglu Jin
- Abstract
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.
- Subjects
SPACE-time block codes; ELECTRONIC modulation; PHASE shift keying; COMPUTER algorithms; NETWORK performance; COMPUTER simulation
- Publication
IET Communications (Wiley-Blackwell), 2017, Vol 11, Issue 2, p249
- ISSN
1751-8628
- Publication type
Article
- DOI
10.1049/iet-com.2016.0122