Resource allocation for cognitive WLAN over fiber
GE Wen-dong1, JI Hong1, Senior Member2, IEEE2, SI Peng-bo2, LI Xi1
1.Key Laboratory of Universal Wireless Communication,Ministry of Education,Beijing University of Posts and Telecommunications,Beijing 100876,China;2.College of Electronics Information and Control Engineering,Beijing University of Technology,Beijing 100124,China
Abstract:
In this paper,a novel WLAN system,Cognitive WLAN over Fiber (CWLANoF),is introduced in the first place.Moreover,when CWLANoF has more channels than STAs,a new channel allocation scheme is proposed using the Hungarian algorithm,which is demonstrated to be the optimal one.Furthermore,when CWLANoF has fewer channels than STAs,it is possible for more than one STA to share the same channel simultaneously based on the new features of CWLANoF.And the power control scheme is proposed for this kind of sharing,considering efficiency and fairness.Finally,extensive simulation results illustrate the significant performance improvement of the proposed channel allocation scheme and power control scheme.
Key words: WLANs cognitive radio channel allocation power control Hungarian algorithm
DOI：10.11916/j.issn.1005-9113.2011.05.021
Clc Number:TN925.93
Fund:
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Resource allocation for cognitive WLAN over fiber
本站小编 哈尔滨工业大学/2019-10-23
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