Transmit Diversity and High Rate in SM-MIMO with Weyl Group Encoding

Transmit Diversity and High Rate in SM-MIMO with Weyl Group Encoding In this paper, a transmit diversity scheme for SM-MIMO based on Weyl group encoding is introduced, where the information bits are encoded into matrices that belong to a coset of Weyl group first and the columns of these matrices are mapped onto the constellation as a second step. The advantage obtained here is that only one antenna will be active during a time slot, and single stream ML decoding is possible. Constellation rotation is then applied to maximize coding gain distance. This Weyl group Encoded Transmission (WET-SM) scheme achieves a rate higher than STBC-SM and CIOD based SM diversity schemes, with much less computational complexity. The BER performance also is compared with that of STBC-SM and SM-CIOD for the same transmission rate. It is found that the achieved performance of WET-SM is good considering the high rate of transmission and less computational complexity, especially when large number of antennas are involved. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Wireless Personal Communications Springer Journals

Transmit Diversity and High Rate in SM-MIMO with Weyl Group Encoding

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Publisher
Springer US
Copyright
Copyright © 2017 by Springer Science+Business Media, LLC
Subject
Engineering; Communications Engineering, Networks; Signal,Image and Speech Processing; Computer Communication Networks
ISSN
0929-6212
eISSN
1572-834X
D.O.I.
10.1007/s11277-017-4788-9
Publisher site
See Article on Publisher Site

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