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2010•Journal of Xiamen UniversityRequires access

The Analysis of Mobile Relay in Cooperative Diversity

Sheng Wei-jie

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Abstract

In recent years,there has been an increasing focus on the cooperative diversity in wireless communications.The reasonable selection of the relay in cooperative communications can give high-gain.The aim of this project is to study the system′s performances when the relay is located at different position just as relay employs amplify-and-forward(AAF) cooperative scheme and we use enhanced signal to noise combining(ESNRC) in the destination.In the project,we have done simulation in matlab in different conditions and compare the performance of them.The simulation results show that when the ratio of the distance between the relay and the source and the destination is 1∶0.5∶0.5,the system performs well.

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What this paper is about

In recent years,there has been an increasing focus on the cooperative diversity in wireless communications.The reasonable selection of the relay in cooperative communications can give high-gain.The aim of this project is to study the system′s performances when the relay is located at different position just as relay employs amplify-and-forward(AAF) cooperative scheme and we use enhanced signal to noise combining(ESNRC) in the destination.In the project,we have done simulation in matlab in different conditions and compare the performance of them.The simulation results show that when the ratio of the distance between the relay and the source and the destination is 1∶0.5∶0.5,the system performs well.

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Available abstract

In recent years,there has been an increasing focus on the cooperative diversity in wireless communications.The reasonable selection of the relay in cooperative communications can give high-gain.The aim of this project is to study the system′s performances when the relay is located at different position just as relay employs amplify-and-forward(AAF) cooperative scheme and we use enhanced signal to noise combining(ESNRC) in the destination.In the project,we have done simulation in matlab in different conditions and compare the performance of them.The simulation results show that when the ratio of the distance between the relay and the source and the destination is 1∶0.5∶0.5,the system performs well.

Key concepts: Relay, Cooperative diversity, Diversity gain, MATLAB, Wireless, Computer science, Signal-to-noise ratio (imaging), Relay channel

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