Advances in Optical Science and Engineering by Indrani Bhattacharya Satyajit Chakrabarti Haricharan Singh Reehal & Vasudevan Lakshminarayanan

Author:Indrani Bhattacharya, Satyajit Chakrabarti, Haricharan Singh Reehal & Vasudevan Lakshminarayanan
Language: eng
Format: epub
Publisher: Springer Singapore, Singapore

For Fig. 3, we consider the i.n.i.d. fading characteristics for the optical links, with = 1000 m, and = 2500 m. It can be seen that the inter-connected relaying technique outperforms the non-interconnected (parallel) relaying and serial relaying techniques, for the given values of distances between the nodes. Moreover, inter-connected relaying without CSI performs better than the one where CSI is available, for higher values of SNR. It is due to the use of DF relaying protocol which leads to better noise rejection at higher SNRs.

Fig. 3Outage probability versus avg. SNR (dB) of a relayed FSO system with no pointing errors, γ th = 5 dB

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