Asymptotic Analysis for Cell-Free Massive MIMO With MMSE Combining and Low-Resolution ADCs

Youzhi Xiong,Sanshan Sun,Ning Wei,Li Liu,Zhongpei Zhang

IEEE Communications Letters（2021）

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摘要

This letter analyses the asymptotic performance of cell-free massive multiple-input and multiple-output (MIMO) with low-resolution analog-to-digital converters (ADCs) over spatially correlated channels. Specifically, we first introduce a quantization-aware technique for channel estimation based on linear minimum mean-square error (LMMSE) theory. On the basis of imperfect channel estimation, we the...

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关键词

Quantization (signal),Uplink,Channel estimation,Nonlinear distortion,Fading channels,Massive MIMO,Mean square error methods

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