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Outband Sensing-Based Dynamic Frequency Selection (DFS) Algorithm without Full DFS Test in IEEE 802.11h Protocol
Jaemin JEUNG Seungmyeong JEONG Jaesung LIM
Publication
IEICE TRANSACTIONS on Communications
Vol.E95-B
No.4
pp.1295-1296 Publication Date: 2012/04/01 Online ISSN: 1745-1345
DOI: 10.1587/transcom.E95.B.1295 Print ISSN: 0916-8516 Type of Manuscript: Special Section LETTER (Special Section on Cognitive Radio and Heterogeneous Wireless Networks in Conjunction with Main Topics of CrownCom2011) Category: Keyword: cognitive radio, outband sensing, IEEE 802.11h protocol, dynamic frequency selection, medium access control,
Full Text: PDF>>
Summary:
We propose an outband sensing-based IEEE 802.11h protocol without a full dynamic frequency selection (DFS) test. This scheme has two features. Firstly, every station performs a cooperative outband sensing, instead of inband sensing during a quiet period. And secondly, as soon as a current channel becomes bad, every station immediately hops to a good channel using the result of outband sensing. Simulation shows the proposed scheme increases network throughput against the legacy IEEE 802.11h.
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