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A Safety Relay Selection Method Based on Network Coding
College of Information and Communication Engineering, Harbin Engineer University, Harbin, China
College of Information and Communication Engineering, Harbin Engineer University, Harbin, China
- 1 College of Information and Communication Engineering, Harbin Engineer University, Harbin, China
- 2 College of Information and Communication Engineering, Harbin Engineer University, Harbin, China
International Journal of Communications, Network and System Sciences·Volume 10 (2017)·Pages 167–175·Published 14 August 2017·DOI10.4236/ijcns.2017.108B018
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Abstract
A method of cooperative relay selection based on network coding security is proposed for relay selection problem of cooperative communication system security in networked multi-relay scenarios, which is different from the existing relay node selection method. The algorithm not only merged with timestamp and homomorphic signature to construct the node degree of safety to find reliable relay, at the same time to considers the received signal to noise ratio at all relay nodes value and the channel gain to the source node. The simulation results show that the proposed method can improve the achievable rate of the destination node and reduce the outage probability on the basis of guaranteeing the safety of the relay node.
KeywordsTimestampHomomorphic SignatureNode Degree of SafetyAchievable RateOutage Probability
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