NDLI: Performance analysis of amplify–decode-and-forward multihop binary phase-shift keying/free-space optical systems using avalanche photodiode receivers over atmospheric turbulence channels

Content Provider	IET Digital Library
Author	Pham, Thanh V. Pham, Anh T.
Abstract	This study studies the performance of multihop free-space optical systems using the subcarrier binary phase-shift keying modulation over atmospheric turbulence channels. The authors propose a modified relaying strategy, termed ‘amplify–decode-and-forward’, realised by using avalanche photodiode (APD) receivers. The outage probability of the proposed system is analytically derived considering the atmospheric turbulence and the receiver noise, including APD shot noise and thermal noise. The analytical results are verified by Monte Carlo simulations, and a good agreement between the analytical and simulation results is confirmed. In the authors’ analysis, they quantitatively discuss the impact of turbulence strength, number of relay nodes, relaying configuration, system bit rate and receiver parameters on the system outage probability. In addition, the optimal value of APD gain for achieving the lowest outage probability in different cases of relaying configuration, number of relays and receiver parameters is also discussed.
Starting Page	1518
Ending Page	1526
Page Count	9
ISSN	17518628
Volume Number	8
e-ISSN	17518636
Issue Number	Issue 9, Jun (2014)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/8/9
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2013.0422
Journal	IET Communications
Publisher Date	2014-04-25
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Amplify And Forward Communication Amplify-decode-and-forward Multihop Binary Phase-shift Keying APD Receivers APD Shot Noise Atmospheric Turbulence Atmospheric Turbulence Channel Avalanche Photodiode Avalanche Photodiode Receivers Decode And Forward Communication Free Space Optical Link Modified Relaying Strategy Modulation And Coding Method Monte Carlo Method Monte Carlo Simulation Method Multihop Free-Space Optical System Optical Communication Optical Communication Equipment Optical Receiver Outage Probability Performance Analysis Phase Shift Keying Photoelectric Device Probability Receiver Noise Relay Network Relay Node Shot Noise Subcarrier Binary Phase-shift Keying Modulation System Bit Rate Telecommunication Telecommunication Channel Thermal Noise Turbulence Strength
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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