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http://dx.doi.org/10.7236/JIWIT.2011.11.5.053

Cooperative Transmission Protocol based on Opportunistic Incremental Relay Selection over Rayleigh fading channels  

Xuyen, Tran Thi (울산대학교 전기전자정보시스템공학부)
Kong, Hyung-Yun (울산대학교 전기전자정보시스템공학부)
Publication Information
The Journal of the Institute of Internet, Broadcasting and Communication / v.11, no.5, 2011 , pp. 53-58 More about this Journal
Abstract
In this paper, we firstly propose a novel cooperative transmission protocol, which utilizes the advantages of mid-notes in the route from the source to the destination. Taking benefits from balancing between the received packet from the source and acknowledge message from the destination, the mid-node between the source and the destination is firstly considered to be the broadcaster. If its signal is successfully received from the source, it leads to consider the next nodes, which has closer distance to the destination than it. If one of these nodes correctly receives the signal, it performs broadcasting the signal to the destination instead of mid-node. Otherwise, the mid-node directs attention to these nodes being near to the destination. As the result, some nodes are unnecessary to be considered and passed over time. After that, we analyze some published selection relaying schemes based on geographic information to choose the best nodes instead of the instantaneous SNR as before. Finally, simulation results are given to demonstrate the correctness of the performance analyses and show the significant improvement of the selection relaying schemes based geographic information compared to the other ones.
Keywords
Selection relaying scheme; Geographic information; Packet error rate; Multihop cooperative communication;
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