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- W4313125767 abstract "This paper investigates the performance of uplink massive multiple-input multiple-output (MIMO) systems with low-resolution analog-to-digital converters (ADCs) operating over Rician fading channels. We study zero-forcing (ZF) group successive interference cancellation (GSIC) receivers, which cover the ZF and ZF-SIC receivers as two special cases. The spectrum efficiency (SE) is analyzed for general power allocation under both perfect and imperfect channel state information (CSI). We further derive the optimal power allocation for a given quality-of-service (QoS) for the GSIC receivers. Based on random matrix theory, the corresponding asymptotic approximations of the signal-to-interference-plus-noise-ratio (SINR) for the system and the power allocation are derived for both perfect and imperfect CSI. The derived approximations are verified and shown highly accurate, providing fast characterization of the performance and near-optimal resource allocation for different system parameters. The numerical and approximation results both indicate that power allocation improves the overall energy efficiency (EE), while the GSIC receiver can yield a high EE with a very small number of groups. Besides, the EE of the system can be improved with intermediate-resolution ADCs and ordered SIC (OSIC)." @default.
- W4313125767 created "2023-01-06" @default.
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- W4313125767 date "2023-03-01" @default.
- W4313125767 modified "2023-10-01" @default.
- W4313125767 title "Massive MIMO With Group SIC Receivers and Low-Resolution ADCs Over Rician Fading Channels" @default.
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- W4313125767 doi "https://doi.org/10.1109/tvt.2022.3217187" @default.
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