Abstract / truncated to 115 words (read the full abstract)

The aim of this dissertation is the study of cooperative communications in wireless networks. In cooperative networks, each user transmits its own data and also aids the communication of other users. User cooperation is particularly attractive for the wireless medium, where every user listens to the transmission of other users. The main benefit of user cooperation in wireless networks is, probably, its efficacy to combat the wireless channel impairments. Path loss and shadowing effects are overcome using intermediate nodes, with better channel conditions, to retransmit the received signal to the estination. Further, the channel fading effect can be also mitigated by means of cooperative spatial diversity (the information arrives at the destination through multiple independent ... toggle 6 keywords

cooperative communication relay channel multi-hop wireless networks power-bandwidth tradeoff energy efficiency communications


Gomez-Vilardebo, Jesus
Universidad Politecnica de Madrid
Publication Year
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July 19, 2010

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