Please use this identifier to cite or link to this item: https://doi.org/10.1109/PGC.2010.5706012
Title: Performance evaluation of OOK free-space optical transmission system with dynamic decision threshold and coherent detection
Authors: Wang, Z.
Zhong, W.-D.
Zhang, S.
Yu, C. 
Ding, Y.
Keywords: Coherent detection
Dynamic decision threshold
Free-space optical (FSO)
On-off-keying (OOK)
Scintillation
Issue Date: 2010
Source: Wang, Z.,Zhong, W.-D.,Zhang, S.,Yu, C.,Ding, Y. (2010). Performance evaluation of OOK free-space optical transmission system with dynamic decision threshold and coherent detection. 2010 Photonics Global Conference, PGC 2010 : -. ScholarBank@NUS Repository. https://doi.org/10.1109/PGC.2010.5706012
Abstract: Transmission performance of free-space optical (FSO) communication is severely degraded by scintillation effect, which is a slow fading process. In this paper, we propose a dynamic decision threshold scheme to efficiently detect the bit stream. The decision threshold is varied in every sub-millisecond time slot. In addition, it is shown that coherent detection with 10dBm-local oscillator (LO) can make the BER performance better than 10-3 under different atmospheric turbulence scenarios from weak to strong.
Source Title: 2010 Photonics Global Conference, PGC 2010
URI: http://scholarbank.nus.edu.sg/handle/10635/84077
ISBN: 9781424498826
DOI: 10.1109/PGC.2010.5706012
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