Asynchronous Quorum-Based Blind Rendezvous Schemes for Cognitive Radio Networks

Jang Ping Sheu, Chih Wei Su, Guey Yun Chang

研究成果: 雜誌貢獻期刊論文同行評審

30 引文 斯高帕斯(Scopus)

摘要

In cognitive radio networks, unlicensed users [secondary users (SU)] need to rendezvous on licensed channels before establishing communication links. Dedicated common control channel is the simplest way to achieve rendezvous. However, due to the absolute priority of licensed users [primary users (PU)] on accessing licensed channels, a dedicated common control channel may cause the PU long-time blocking problem, and the control channel saturation problem in a high SU density environment. Channel hopping schemes have been proposed to avoid the problems mentioned above. In this paper, we introduce two quorum-based channel hopping schemes. Our schemes outperform in terms of the four metrics: maximum time to rendezvous, channel loading, degree of rendezvous, and maximum conditional time to rendezvous.

原文???core.languages.en_GB???
文章編號7355336
頁(從 - 到)918-930
頁數13
期刊IEEE Transactions on Communications
64
發行號3
DOIs
出版狀態已出版 - 1 3月 2016

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