Optimization of the Antenna Location for Relay Cooperative System by APSO

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• 作者：Yu-Ting Cheng ; Chien-Ching Chiu
• 关键词：UWB ; Particle Swarm Optimization ; Asynchronous Particle Swarm Optimization ; Ray ; tracing ; Relay ; Amplify ; and ; forward ; Maximum ratio combing
• 刊名：Wireless Personal Communications
• 出版年：2015
• 出版时间：August 2015
• 年：2015
• 卷：83
• 期：4
• 页码：2485-2495
• 全文大小：801 KB
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• 作者单位：Yu-Ting Cheng (1)
  Chien-Ching Chiu (1)
  
  1. Electrical Engineering Department, Tamkang University, Tamsui, Taipei, Taiwan, ROC
  
• 刊物类别：Engineering
• 刊物主题：Electronic and Computer Engineering
  Signal,Image and Speech Processing
  Processor Architectures
  
• 出版者：Springer Netherlands
• ISSN：1572-834X

文摘

The channel capacity of a relay cooperative system with Maximum Ratio Combining (MRC) in a realistic indoor ultra-wideband communication is investigated by ray-tracing technique and Asynchronous Particle Swarm Optimization (APSO). We deploy amplify-and-forward relay to enhance the magnitude of signal and the propagation distance for a library indoor environment. When the transmitter is set in the center of this library environment without using relay, the outage probability of channel capacity is 49?%. The outage probabilities can be reduced to 18?% by using MRC of the cooperative relay, when the transmitter and relay are fixed in the center of the right half part and left half part respectively. Moreover, APSO is employed to search the best locations of the transmit antenna and relay antenna for reducing the outage probability. The outage probability can be reduced to zero by APSO algorithm in the numerical results.