On the sparsity and aperiodicity of a base station antenna array in a downlink MU-MIMO scenario

N. Amani; R. Maaskant; W.A. van Cappellen

On the sparsity and aperiodicity of a base station antenna array in a downlink MU-MIMO scenario

N. Amani, R. Maaskant, W.A. van Cappellen

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

Abstract

An application study into irregular sparse arrays (ISAs) is proposed to function as base station antennas (BSAs) in a mm-wave multi-user multiple-input multiple-output (MU-MIMO) system. The results show that the sum rate capacity of ISAs can be increased relative to regularly-spaced BSA arrays with half a wavelength element separation, especially for a high number of users. This is due to the narrower beams formed by the larger antenna apertures of sparse arrays. Furthermore, the aperiodic distribution of antenna elements alleviates the problem of grating lobes in sparse arrays and is seen to improve the average power consumption of power amplifiers at the same time.

Original language	English
Title of host publication	ISAP 2018 - 2018 International Symposium on Antennas and Propagation
Place of Publication	Piscataway
Publisher	Institute of Electrical and Electronics Engineers
Number of pages	2
ISBN (Electronic)	9788957083048
Publication status	Published - 25 Jan 2019
Event	2018 International Symposium on Antennas and Propagation, ISAP 2018 - Busan, Korea, Republic of Duration: 23 Oct 2018 → 26 Oct 2018

Conference

Conference	2018 International Symposium on Antennas and Propagation, ISAP 2018
Country	Korea, Republic of
City	Busan
Period	23/10/18 → 26/10/18

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title = "On the sparsity and aperiodicity of a base station antenna array in a downlink MU-MIMO scenario",

abstract = "An application study into irregular sparse arrays (ISAs) is proposed to function as base station antennas (BSAs) in a mm-wave multi-user multiple-input multiple-output (MU-MIMO) system. The results show that the sum rate capacity of ISAs can be increased relative to regularly-spaced BSA arrays with half a wavelength element separation, especially for a high number of users. This is due to the narrower beams formed by the larger antenna apertures of sparse arrays. Furthermore, the aperiodic distribution of antenna elements alleviates the problem of grating lobes in sparse arrays and is seen to improve the average power consumption of power amplifiers at the same time.",

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Amani, N , Maaskant, R & van Cappellen, WA 2019, On the sparsity and aperiodicity of a base station antenna array in a downlink MU-MIMO scenario. in ISAP 2018 - 2018 International Symposium on Antennas and Propagation., 8627737, Institute of Electrical and Electronics Engineers, Piscataway, 2018 International Symposium on Antennas and Propagation, ISAP 2018, Busan, Korea, Republic of, 23/10/18. <https://ieeexplore.ieee.org/document/8627737>

On the sparsity and aperiodicity of a base station antenna array in a downlink MU-MIMO scenario. / Amani, N.; Maaskant, R.; van Cappellen, W.A.

ISAP 2018 - 2018 International Symposium on Antennas and Propagation. Piscataway : Institute of Electrical and Electronics Engineers, 2019. 8627737.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

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N2 - An application study into irregular sparse arrays (ISAs) is proposed to function as base station antennas (BSAs) in a mm-wave multi-user multiple-input multiple-output (MU-MIMO) system. The results show that the sum rate capacity of ISAs can be increased relative to regularly-spaced BSA arrays with half a wavelength element separation, especially for a high number of users. This is due to the narrower beams formed by the larger antenna apertures of sparse arrays. Furthermore, the aperiodic distribution of antenna elements alleviates the problem of grating lobes in sparse arrays and is seen to improve the average power consumption of power amplifiers at the same time.

AB - An application study into irregular sparse arrays (ISAs) is proposed to function as base station antennas (BSAs) in a mm-wave multi-user multiple-input multiple-output (MU-MIMO) system. The results show that the sum rate capacity of ISAs can be increased relative to regularly-spaced BSA arrays with half a wavelength element separation, especially for a high number of users. This is due to the narrower beams formed by the larger antenna apertures of sparse arrays. Furthermore, the aperiodic distribution of antenna elements alleviates the problem of grating lobes in sparse arrays and is seen to improve the average power consumption of power amplifiers at the same time.

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