Energy‐efficient resource allocation in relay‐aided orthogonal frequency division multiplexing cognitive radio networks with quality of service provisioning

Summary This paper investigates the energy‐efficient resource allocation problem in orthogonal frequency division multiplexing (OFDM)‐based cognitive radio (CR) networks with multiple decode‐and‐forward relays. In order to maximize the system energy efficiency (EE), we jointly optimize the relay sel...

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Veröffentlicht in:	International journal of communication systems 2020-11, Vol.33 (16), p.n/a
Hauptverfasser:	Yan, Feiyu, Zhao, Jihong, Qu, Hua, Xu, Xiguang
Format:	Artikel
Sprache:	eng
Schlagworte:	Cognitive radio Computer simulation DF relays energy efficiency Mathematical programming OFDM Optimization Orthogonal Frequency Division Multiplexing Provisioning QoS provisioning Quality of service Quality of service architectures Relay Resource allocation Subcarriers
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