Opportunistic Multiple Relay Selection with Diverse Mean Channel Gains.
IEEE Transactions on Wireless Communications(2012)
摘要
We consider multiple relay selection for proactive relaying with diverse mean channel gains on different links. We consider a variable rate system where the transmission rate is maximized based on an end-to-end (e2e) channel gain. We consider two relay selection methods and provide an efficient algorithm for selecting an optimal set of active relay nodes, with a cardinality constraint on the set. ...
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关键词
Relays,Approximation methods,Approximation algorithms,Resource management,Fading,Complexity theory,Geometry
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