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- W2949509867 abstract "In a massive MIMO system with large arrays, the channel becomes spatially non-stationary. We study the impact of spatial non-stationarity characterized by visibility regions (VRs) where the channel energy is significant on a portion of the array. Relying on a channel model based on VRs, we provide expressions of the signal-to-interference-plus-noise ratio (SINR) of conjugate beamforming (CB) and zero-forcing (ZF) precoders. We also provide an approximate deterministic equivalent of the SINR of ZF precoders. We identify favorable and unfavorable multi-user configurations of the VRs and compare the performance of both stationary and non-stationary channels through analysis and numerical simulations." @default.
- W2949509867 created "2019-06-27" @default.
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- W2949509867 date "2018-10-23" @default.
- W2949509867 modified "2023-09-27" @default.
- W2949509867 title "Linear Receivers in Non-stationary Massive MIMO Channels with Visibility Regions" @default.
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- W2949509867 hasPublicationYear "2018" @default.
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