Performance analysis of relay-aided free-space optical communication system over gamma-gamma fading channels with pointing errors

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• 作者：Hui-hua Fu 傅慧华 ; Ping Wang 王平 ; Ran-ran Wang 王冉冉 ; Xiao-xia Liu 刘晓霞…
• 刊名：Optoelectronics Letters
• 出版年：2016
• 出版时间：July 2016
• 年：2016
• 卷：12
• 期：4
• 页码：294-298
• 全文大小：878 KB
• 刊物类别：Physics and Astronomy
• 刊物主题：Physics
  Applied Optics, Optoelectronics and Optical Devices
  Chinese Library of Science
  
• 出版者：Tianjin University of Technology, co-published with Springer-Verlag GmbH
• ISSN：1993-5013
• 卷排序：12

文摘

The average bit error rate (ABER) performance of a decode-and-forward (DF) based relay-assisted free-space optical (FSO) communication system over gamma-gamma distribution channels considering the pointing errors is studied. With the help of Meijer's G-function, the probability density function (PDF) and cumulative distribution function (CDF) of the aggregated channel model are derived on the basis of the best path selection scheme. The analytical ABER expression is achieved and the system performance is then investigated with the influence of pointing errors, turbulence strengths and structure parameters. Monte Carlo (MC) simulation is also provided to confirm the analytical ABER expression.This work has been supported by the National Natural Science Foundation of China (No.61474090), the Fundamental Research Funds for the Central Universities (No.JB160105), and the 111 Project of China (No.B08038).