An efficient hybrid spectrum access algorithm in OFDM-based wideband cognitive radio networks

In cognitive radio networks, wideband spectrum sensing is a promising technology which allows a secondary user (SU) to detect the signals of primary users (PUs) over multiple channels, the sensing overhead is reduced effectively. Together with spectrum sensing, spectrum access strategy affects the s...

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Veröffentlicht in:	Neurocomputing (Amsterdam) Jg. 125; S. 33 - 40
Hauptverfasser:	Yang, Chao, Fu, Yuli, Zhang, Yan, Yu, Rong, Liu, Yi
Format:	Journal Article Tagungsbericht
Sprache:	Englisch
Veröffentlicht:	Amsterdam Elsevier B.V 11.02.2014 Elsevier
Schlagworte:	Algorithmics. Computability. Computer arithmetics Algorithms Applied sciences Channels Coding, codes Cognitive radio Cognitive radio networks Computer science; control theory; systems Detection Equipments and installations Exact sciences and technology Hybrid access strategy Information, signal and communications theory Mobile radiocommunication systems Networks Optimization Orthogonal Frequency Division Multiplexing Radiocommunications Selection Signal and communications theory Strategy Telecommunications Telecommunications and information theory Theoretical computing Throughput maximization Transmitters. Receivers Wideband Wideband spectrum sensing Throughput maximization Hybrid access strategy Cognitive radio networks Wideband spectrum sensing Selection Performance evaluation Ergodic theory Cellular radio Frequency division multiple access Frequency allocation Ergodicity Computational complexity Modeling Spectral analysis Hybrid system Dynamic allocation Wide band Channel estimation Orthogonal frequency division multiplexing Wireless network Transmission rate Multiple channel Mathematical programming Software radio
ISSN:	0925-2312, 1872-8286
Online-Zugang:	Volltext
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