A Slot-Based Opportunistic Spectrum Access for Cognitive Radio Networks

Linbo ZHAI  Gang XIE  

IEICE TRANSACTIONS on Communications   Vol.E94-B   No.11   pp.3183-3185
Publication Date: 2011/11/01
Online ISSN: 1745-1345
DOI: 10.1587/transcom.E94.B.3183
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Terrestrial Wireless Communication/Broadcasting Technologies
cognitive radio,  slot-boundary,  control frames,  throughput,  

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This letter proposes a slot-based opportunistic spectrum access for cognitive radio networks. To reduce the slot-boundary impact, control frames are used to achieve channel reservation. The saturation throughput of our scheme is estimated by an analytical model. The accuracy of the model is validated by extensive simulation.