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Performance Analysis of Amplify -Decode -and -Forward Multihop BPSK/FSO Systems using APD Receivers over Atmospheric Turbulence Channels
| Content Provider | Semantic Scholar |
|---|---|
| Author | Pham, Thanh |
| Copyright Year | 2013 |
| Abstract | This paper studies the performance of multihop free-space optical (FSO) systems using the subcarrier binary phase-shift keying modulation (BPSK) over atmospheric turbulence channels. We propose a modified relaying strategy, termed amplify-decode-and-forward (ADF), 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 our analysis, we 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. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://web-ext.u-aizu.ac.jp/labs/ce-cc/data/2014.IET-Thanh-accepted.pdf |
| Alternate Webpage(s) | http://web-ext.u-aizu.ac.jp/~pham/data/2014.IET-Thanh-accepted.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |