Novel channel-hopping schemes for cognitive radio networks

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题名:	Novel channel-hopping schemes for cognitive radio networks
作者:	張貴雲;Chang, Guey-Yun;Teng, Wen-Hung;Chen, Hao-Yu;Sheu, Jang-Ping
贡献者:	資訊電機學院資訊工程學系
关键词:	ad hoc networks;Arches;channel-hopping;Clocks;Cognitive radio;Loading;medium access control;Mobile computing;Receivers;Sensors
日期:	2014-02-01
上传时间:	2026-04-23 13:56:18 (UTC+8)
出版者:	Institute of Electrical and Electronics Engineers Inc.;Los Alamitos: IEEE
摘要:	摘要： Recently, cognitive radio (CR) has become a key technology for addressing spectrum scarcity. In CR networks, spectrum access should not interfere the colocate incumbent networks. Due to the requirement above, common control channel approaches, which are widely used in traditional multichannel environments, may face serious CR long-time blocking problem and control channel saturation problem. Although channel-hopping-based approaches can avoid these two problems, existing works still have significant drawbacks including long time-to-rendezvous, unbalance channel loading, and low channel utilization. In this paper, we introduce three channel-hopping approaches, RCCH, ARCH, and SARCH for synchronous and asynchronous environments, respectively. Compared with previous works, our schemes outperform the state of the art in terms of these metrics. 其他題名： TMC 出版者： Los Alamitos: IEEE 出版日期： 2014-02 出處： IEEE transactions on mobile computing, 2014-02, Vol.13 (2), p.407-421 資源來源： IEEE Xplore Digital Library (LUT) 版權： Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Feb 2014 識別號： ISSN: 1536-1233 識別號： EISSN: 1558-0660 識別號： DOI: 10.1109/TMC.2012.260 識別號： CODEN: ITMCCJ
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