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Performance Comparison of Relay Selection Methods for Incremental Cooperative Relaying Systems with Spatially Random Relay
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 Title & Authors
Performance Comparison of Relay Selection Methods for Incremental Cooperative Relaying Systems with Spatially Random Relay
Kim, Nam-Soo;
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Cooperative relaying systems have been studied actively to improve the system performance effectively in wireless fading channels. Most of the cooperative relay studies are assumed fixed relay, recently the performance analysis of the cooperative relaying systems with spatially random relays considering the practical mobile environment are introduced. However the comparative studies for relay selection methods of incremental cooperative relay systems, the performance of which is influenced by the selection methods, have not been studied. Therefore we derive the performance of the system which has MRC(Maximal-ratio combining) with Max SNR(signal-to-noise ratio) selection or Max-min SNR selection, respectively. And the outage performances of the system with Max or Max-min selection method are compared for different transmit power allocation to the source and to the relays. The analytical results serve as useful tools for relay selection and power allocation to transmit nodes for opportunistic incremental relaying systems.
Opportunistic relaying;Realy selection;Incremental relaying;Fading channel;
 Cited by
페이딩 채널에서 기회전송 증가 NOMA 릴레이 시스템의 성능분석,김남수;

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