IEICE Communications Express
Online ISSN : 2187-0136
ISSN-L : 2187-0136
Effect of HPBW on channel capacity in near-field MIMO system
Dalin ZhangToshikazu HoriMitoshi Fujimoto
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2012 Volume 1 Issue 5 Pages 177-183

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Abstract

Considering the very short distance between transmitter and receiver in the near-field MIMO system, the impact of the radiation pattern of each antenna element is not neglectable. In this paper, the dual-dipole arrays are utilized to investigate the effect of HPBW (half-power beamwidth) on channel capacity. The HPBW can be changed by varying the internal distance between two dipoles in one element. With a proper HPBW of the antenna element, the channel capacity of a dual-dipole array is improved obviously from a conventional dipole array. And the optimum HPBW is found to be approximately 50°.

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© 2012 The Institute of Electronics, Information and Communication Engineers
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