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. Wireless Personal Communications Springer Journals

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

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Springer US
Copyright © 2017 by Springer Science+Business Media, LLC
Engineering; Communications Engineering, Networks; Signal,Image and Speech Processing; Computer Communication Networks
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