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Low Complexity Quasi-Optimal Detector for Generalized Spatial Modulation
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DOI：10.1109/LCOMM.2021.3093525.png)
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摘要
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Generalized Spatial Modulation (GSM) is a promising technique for high data-rates systems where the complexity of the optimal joint detector based on the Maximum Likelihood (ML) criterion increases dramatically in terms of the modulation order and the number of activated transmit antennas. In this letter, a novel detection scheme for GSM systems denoted by (OSIC)-S-2-ML is proposed to achieve the optimal performance with a controllable complexity-performance trade-off. The proposed detector is accompanied with ordering techniques for the transmit antenna combination and symbols to further reduce the complexity and improve the performance, respectively. The result reveals that (OSIC)-S-2-ML allows reaching the non-linear ML detector performance with a 99% complexity reduction.
Keyword:
Detectors
GSM
Complexity theory
Modulation
Interference cancellation
MIMO communication
Transmitting antennas
Multiple-input multiple-output (MIMO)
generalized spatial modulation (GSM)
detectors
equalizers
maximum likelihood (ML) detection
sphere decoding (SD)
ordered successive interference cancellation (OSIC)
complexity
期刊
IF:
4.4
论文数:
1.3W
被引数:
2.2W
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