Serial Relaying Over Gamma-Gamma MIMO FSO Links
Serial relaying is analyzed in the context where the Free-Space Optical (FSO) communicating nodes are equipped with multiple apertures. We derive asymptotic expressions for the outage probability over the gamma-gamma fading channel and we evaluate the diversity orders that can be achieved by combini...
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| Format: | article |
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2015
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| Online Access: | http://hdl.handle.net/10725/3067 http://dx.doi.org/10.1109/LCOMM.2015.2401563 http://ieeexplore.ieee.org/document/7036051/?arnumber=7036051 |
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| Summary: | Serial relaying is analyzed in the context where the Free-Space Optical (FSO) communicating nodes are equipped with multiple apertures. We derive asymptotic expressions for the outage probability over the gamma-gamma fading channel and we evaluate the diversity orders that can be achieved by combining the multi-hop and multi-aperture techniques. A recursive algorithm that optimally allocates the apertures to the hops is also proposed. Results highlight the importance of aperture allocation for multi-hop-multi-aperture systems where significant performance improvements can be gained. |
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