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The concept of massive spatial modulation aided multiple-input multiple-output (SM-MIMO) systems, where the base station (BS) is equipped with a large number of antennas and simultaneously serves several multi-antenna users that employ SM for their uplink transmission, has recently attracted substantial research interest. In this paper, we investigate the uplink bandwidth efficiency (BE) of single-cell...
In this paper, an extended space shift keying (ESSK) modulation scheme for MIMO channels is proposed to improve the symbol error probability (SEP) and spectral efficiency of traditional generalized space shift keying (GSSK). Compared to traditional GSSK, the number of active antennas of each time slot in ESSK can be different from symbol to symbol, which improves the spectral efficiency significantly...
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