| FU Hui-hua,WANG Ping,WANG Ran-ran,LIU Xiao-xia,GUO Li-xin,YANG Yin-tang.Performance analysis of relay-aided free-space optical communication system over gamma-gamma fading channels with pointing errors[J].Optoelectronics Letters,2016,12(4):294-298 |
| Performance analysis of relay-aided free-space optical communication system over gamma-gamma fading channels with pointing errors |
| Author Name | Affiliation | | FU Hui-hua | #$TABState Key Laboratory of Integrated Service Networks, School of Telecommunications Engineering, Xidian University, Xi’an 710071, China | | WANG Ping | #$TABState Key Laboratory of Integrated Service Networks, School of Telecommunications Engineering, Xidian University, Xi’an 710071, China
#$TABSchool of Physics and Optoelectronic Engineering, Xidian University, Xi’an 710071, China | | WANG Ran-ran | #$TABState Key Laboratory of Integrated Service Networks, School of Telecommunications Engineering, Xidian University, Xi’an 710071, China | | LIU Xiao-xia | #$TABState Key Laboratory of Integrated Service Networks, School of Telecommunications Engineering, Xidian University, Xi’an 710071, China | | GUO Li-xin | #$TABSchool of Physics and Optoelectronic Engineering, Xidian University, Xi’an 710071, China | | YANG Yin-tang | #$TABKey Laboratory of the Ministry of Education for Wide Band-Gap Semiconductor Materials and Devices, School of Microelectronics, Xidian University, Xi’an 710071, China |
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| Abstract: |
| 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. |
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