Resource assignments algorithm based on energy efficiency optimization in OFDM relay networks

In cooperative orthogonal frequency division multiplexing (OFDM) systems, the resource allocation rationally is significant to enhance the system performance. Aiming at maximizing the total system energy efficiency, the joint assignment problem of relay, sub-carrier and power among users is modeled....

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Vydáno v:	Tongxin Xuebao Ročník 36; číslo 3; s. 2015078
Hlavní autoři:	Li, Yun, Duan, Hai-Xia, Su, Kai-Rong, Cao, Bin
Médium:	Journal Article
Jazyk:	čínština
Vydáno:	Editorial Department of Journal on Communications 01.03.2015
Témata:	Algorithms Energy management Energy use Mathematical models Operations research Optimization Orthogonal Frequency Division Multiplexing Relay Resource allocation resource allocation;energy efficiency;maximum weight independent set;conflict graph;OFDM
ISSN:	1000-436X
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