Cooperative diversity for free-space optical communications
In this paper, we investigate the cooperative diversity technique as a candidate solution for combating turbulence-induced fading over Free-Space Optical (FSO) links. In particular, a one-relay cooperative diversity scheme is proposed and analyzed for non-coherent FSO communications with intensity m...
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| Format: | article |
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2011
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| Online Access: | http://hdl.handle.net/10725/3078 http://dx.doi.org/10.1109/TCOMM.2011.121410.100032 http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=5671563 |
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| Summary: | In this paper, we investigate the cooperative diversity technique as a candidate solution for combating turbulence-induced fading over Free-Space Optical (FSO) links. In particular, a one-relay cooperative diversity scheme is proposed and analyzed for non-coherent FSO communications with intensity modulation and direct detection (IM/DD). The error performance is derived in semi-analytical and closed-form expressions in the presence and absence of background radiation, respectively. Results show the enhanced diversity orders that can be achieved over both Rayleigh and lognormal fading models. |
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