Spatially Correlated Multi-Pair Massive MIMO Relaying With Rician Channel and Phase Shifts

被引：1

作者：

Gupta, Priya ^{[1
]}

Prajapati, Dharmendra ^{[1
]}

Sharma, Ekant ^{[1
]}

Ghosh, Debashis ^{[1
]}

机构：

[1] Indian Inst Technol IIT Roorkee, Dept Elect & Commun Engn, Roorkee 247667, India

来源：

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY | 2023年 / 72卷 / 04期

关键词：

Relays; Rician channels; Channel estimation; Correlation; Rayleigh channels; Interference cancellation; Half-duplex system; phase-shifts; relay; Index Terms; Rician; PERFORMANCE ANALYSIS; SYSTEMS; POWER; NETWORKS; ENERGY;

D O I：

10.1109/TVT.2022.3226754

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Multi-pair two-way half-duplex massive multiple-input multiple-output (mMIMO) relaying with multiple user-pairs is being actively explored. Most of the existing mMIMO relaying investigations consider either spatially correlated Rayleigh fading or uncorrelated Rician fading channel and also ignore the impact of phase shifts in the line-of-sight (LoS) component due to change in user location and hardware effects. We consider a multi-pair mMIMO amplify-and-forward relay system with spatially correlated Rician channel along with phase shifts. We derive the asymptotic spectral efficiency expressions for different power scaling schemes considering phase aware and phase unaware minimum mean square based channel estimates. Numerical investigations reveal that the impact of LoS component varies with the power scaling schemes.

引用

页码：4844 / 4850

页数：7

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