Channel Capacity of Multiple-Input Multiple-Output Systems for Optimal Antenna Spacing by Particle Swarm Optimizer

doi:10.1007/s11277-012-0667-6

淡江大學機構典藏 > 工學院 > 電機工程學系暨研究所 > 期刊論文 > Item 987654321/89163

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题名:	Channel Capacity of Multiple-Input Multiple-Output Systems for Optimal Antenna Spacing by Particle Swarm Optimizer
作者:	Chiu, Chien-Ching;Yu, Chia-Ying;Liao, Shu-Han;Wu, Min-Kang
贡献者:	淡江大學電機工程學系
关键词:	PSO;Channel capacity;Narrowband;Ray-tracing
日期:	2013-04-01
上传时间:	2013-05-22 14:30:31 (UTC+8)
出版者:	New York: Springer New York LLC
摘要:	The geometrical shape of antenna arrays for maximizing the average channel capacity of the system in a multiple-input multiple-output link is investigated. The optimum element spacing of the transmitting antenna is also included. The frequency responses of transceiver antenna with different element spacing are computed by ray-tracing techniques, and the channel frequency response is further used to calculate corresponding channel capacity. The transmitter is set in the center of the indoor environment and the receivers are with uniform intervals distribution in the whole wooden table. Linear shaped array, L shaped array, T shaped array and rectangular shaped array with non-uniform inter-element spacing are investigated for both line-of-sight and non-LOS scenarios. The optimal element spacing of antenna for maximizing the channel capacity is searched by particle swarm optimizer. Numerical results have shown that our proposed method is effective for increasing average channel capacity. It is also found that L shaped array has the highest channel capacity and the improvement ratio for rectangular shaped array is the largest.
關聯:	Wireless Personal Communications 69(4), pp.1865-1876
DOI:	10.1007/s11277-012-0667-6
显示于类别:	[電機工程學系暨研究所] 期刊論文

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