A non-stationary wideband channel model for massive MIMO communication systems

Shangbin Wu; Cheng Xiang Wang; Harald Haas; El Hadi M Aggoune; Mohammed M. Alwakeel; Bo Ai

doi:10.1109/TWC.2014.2366153

A non-stationary wideband channel model for massive MIMO communication systems

Shangbin Wu, Cheng Xiang Wang^*, Harald Haas, El Hadi M Aggoune, Mohammed M. Alwakeel, Bo Ai

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

172 Citations (Scopus)

Abstract

This paper proposes a novel non-stationary wideband multi-confocal ellipse two dimensional (2-D) channel model for massive multiple-input multiple-output (MIMO) communication systems. Spherical wavefront is assumed in the proposed channel model, instead of the plane wavefront assumption used in conventional MIMO channel models. In addition, the birth-death process is incorporated into the proposed model to capture the dynamic properties of clusters on both the array and time axes. Statistical properties of the channel model such as the space-time-frequency correlation function and power imbalance on the antenna array are studied. The impact of the spherical wavefront assumption on the statistical properties of the channel model is investigated. Furthermore, numerical analysis shows that the proposed channel model is able to capture specific characteristics of massive MIMO channel as observed in measurements.

Original language	English
Article number	6942232
Pages (from-to)	1434-1446
Number of pages	13
Journal	IEEE Transactions on Wireless Communications
Volume	14
Issue number	3
DOIs	https://doi.org/10.1109/TWC.2014.2366153
Publication status	Published - 2015

Keywords

birth-death process
Massive MIMO
multi-confocal ellipse channel model
non-stationarity
spherical wavefront

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10.1109/TWC.2014.2366153

Cite this

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title = "A non-stationary wideband channel model for massive MIMO communication systems",

abstract = "This paper proposes a novel non-stationary wideband multi-confocal ellipse two dimensional (2-D) channel model for massive multiple-input multiple-output (MIMO) communication systems. Spherical wavefront is assumed in the proposed channel model, instead of the plane wavefront assumption used in conventional MIMO channel models. In addition, the birth-death process is incorporated into the proposed model to capture the dynamic properties of clusters on both the array and time axes. Statistical properties of the channel model such as the space-time-frequency correlation function and power imbalance on the antenna array are studied. The impact of the spherical wavefront assumption on the statistical properties of the channel model is investigated. Furthermore, numerical analysis shows that the proposed channel model is able to capture specific characteristics of massive MIMO channel as observed in measurements.",

keywords = "birth-death process, Massive MIMO, multi-confocal ellipse channel model, non-stationarity, spherical wavefront",

author = "Shangbin Wu and Wang, {Cheng Xiang} and Harald Haas and Aggoune, {El Hadi M} and Alwakeel, {Mohammed M.} and Bo Ai",

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language = "English",

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AU - Wu, Shangbin

AU - Wang, Cheng Xiang

AU - Haas, Harald

AU - Aggoune, El Hadi M

AU - Alwakeel, Mohammed M.

AU - Ai, Bo

PY - 2015

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AB - This paper proposes a novel non-stationary wideband multi-confocal ellipse two dimensional (2-D) channel model for massive multiple-input multiple-output (MIMO) communication systems. Spherical wavefront is assumed in the proposed channel model, instead of the plane wavefront assumption used in conventional MIMO channel models. In addition, the birth-death process is incorporated into the proposed model to capture the dynamic properties of clusters on both the array and time axes. Statistical properties of the channel model such as the space-time-frequency correlation function and power imbalance on the antenna array are studied. The impact of the spherical wavefront assumption on the statistical properties of the channel model is investigated. Furthermore, numerical analysis shows that the proposed channel model is able to capture specific characteristics of massive MIMO channel as observed in measurements.

KW - birth-death process

KW - Massive MIMO

KW - multi-confocal ellipse channel model

KW - non-stationarity

KW - spherical wavefront

U2 - 10.1109/TWC.2014.2366153

DO - 10.1109/TWC.2014.2366153

M3 - Article

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A non-stationary wideband channel model for massive MIMO communication systems

Abstract

Keywords

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