Performance Analysis on the Unicasting Relay Protocol and Relay Selection

doi:10.13190/jbupt.201004.74.longh

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2010, Vol. 33 ›› Issue (4): 74-78.doi: 10.13190/jbupt.201004.74.longh

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Performance Analysis on the Unicasting Relay Protocol and Relay Selection

Received:2009-10-19 Revised:2009-11-30 Online:2010-08-28 Published:2010-05-21

Abstract

Abstract:

The unicasting relay protocols in multiinputmultioutput multirelay syste ms are analyzed. The expression of the received signaltonoise ratio with uni casting relay protocols is derived, which is a function of some singular values and angles between singular vectors related to backward and forward channels. Ba sed on the maximizing capacity criterion, the relay selection strategies with in stantaneous and average channel state information are presented with simplifying the capacity expression. With average channel state information it is a trade off scheme between the feedback overhead and the ergodic capacity performance.

Key words: cooperation and relay, unicasting, performance analysis, relay selection

CLC Number:

TN929.53

References

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Performance Analysis on the Unicasting Relay Protocol and Relay Selection

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