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Low Complexity Detection for QCM-MIMO Using MSRE Aided Proximal Algorithm
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DOI：10.1109/LCOMM.2023.3311873.png)
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摘要
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Quadrature channel modulation aided multiple input multiple output (QCM-MIMO) system is an optimistic approach to realize the demand for high data under ultra-low latency communication scenarios for fifth generation (5G) and beyond wireless communication systems. However, the modulated and transmitted symbol vector in QCM-MIMO is sparse in nature due to the independent transmission of in-phase and quadrature-phase components through different channel fade realizations. Hence, detecting the sparse transmitted symbol vector at the base station (BS) becomes challenging compared to conventional MIMO systems. This letter proposes a minimum support recovery error aided proximal algorithm based detection (MSREPD) method for low-complexity symbol detection in uplink QCM-MIMO system. The error performance of the proposed detection method is theoretically analyzed and corroborated through simulation results. It is observed that the proposed MSREPD method outperforms several state-of-the-art techniques in terms of bit error rate performance and computational complexity under both perfect and imperfect channel state information scenarios and reaches near-maximum likelihood error performance.
Keyword:
Quadrature channel modulation
QCM-MIMO
maximum likelihood
computational complexity
symbol detection
期刊
IF:
4.4
论文数:
1.3W
被引数:
2.2W
机构
引用论文
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PROCEEDINGS OF THE IEEE
PROCEEDINGS OF THE IEEEIF25.9
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