NDLI: Analysis of beam pattern and spatial capacity of massive antenna array networks with non-uniform user distribution

Content Provider	IEEE Xplore Digital Library
Author	Zhang, Zhiyu Teh, Kah Chan Li, Kwok Hung
Copyright Year	2014
Description	Author affiliation: School of Electrical and Electronic Engineering Nanyang Technological University, Singapore 639798 (Zhang, Zhiyu; Teh, Kah Chan; Li, Kwok Hung)
Abstract	In this paper, we study the array property, propagation characteristics and the spatial capacity of a massive antenna array system. Within such a system, the base station (BS) is able to generate very sharp beam patterns. We show that the beamformer is able to focus its energy into small regions covering the intended user equipment (UE) when the number of antenna elements at the BS is large. The UE is surrounded by a cluster of local scatterers with a relatively small angular spread, such that it undergoes a multipath channel propagation. Furthermore, we apply a realistic two-tier UE distribution model where some tier-one virtual points are uniformly distributed in the cell range, and UEs are located in the coverage of those virtual points with a uniform distribution in the second tier. We explore the statistical distribution of the UE's geographical position, and derive an upper bound for the spatial capacity when the number of antennas at the BS grows very large. Numerical results are presented to validate our theoretical analysis.
Starting Page	1
Ending Page	6
File Size	263570
Page Count	6
File Format	PDF
ISBN	9781479952557
DOI	10.1109/ICSPCS.2014.7021111
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-12-15
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fading Channel estimation Vectors Arrays Antenna arrays
Content Type	Text
Resource Type	Article

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