Performance Analysis of Amplify-Decode-and-Forward Multihop BPSK/FSO Systems using APD Receivers over Atmospheric Turbulence Channels

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

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 t...

Performance of APD-Based Amplify-and-Forward Relaying FSO Systems over Atmospheric Turbulence Channels

Performance of All-Optical Amplify-and-Forward WDM/FSO Relaying Systems over Atmospheric Dispersive Turbulence Channels

Relayed FSO communication with aperture averaging receivers and misalignment errors

In this paper, the performance of decode-and-forward relay-assisted free-space-optical (FSO) communication systems under atmospheric turbulence induced fading and misalignment errors is investigated. To mitigate the adverse effects of the atmospheric turbulence, the aperture averaging receivers are considered both at the relay and destination sides. The atmospheric turbulence induced fading is ...

Improved Performance of M-ary PPM in Different Free-Space Optical Channels due to Reed Solomon Code Using APD

Atmospheric turbulence induced fading is one of the main impairments affecting the operation of free-space optical (FSO) communication systems. In this paper, the bit error rate (BER) of M-ary pulse position modulation (M-ary PPM) of directdetection and avalanche photodiode (APD) based is analyzed. Both log-normal and negative exponential fading channels are evaluated. The investigation discuss...