Evolutionary Game for Cooperative Spectrum Sensing in Cognitive Radio Networks

doi:10.13190/jbupt.201201.28.chenl

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2012, Vol. 35 ›› Issue (1): 28-31.doi: 10.13190/jbupt.201201.28.chenl

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Evolutionary Game for Cooperative Spectrum Sensing in Cognitive Radio Networks

CHEN Liang， JI Hong， LI Yi， LI Xi

School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China

Received:2011-04-16 Revised:2011-06-18 Online:2012-02-28 Published:2012-01-05
Supported by:
National Natural Science Foundation of China

Abstract

Abstract:

A new cooperative spectrum sensing scheme in cognitive radio networks based on evolutionary game is proposed to analyze the secondary users’ transmission time and throughput, model the cooperative sensing as an evolutionary game, derive the dynamic procedure and optimal strategy for the secondary users, and develop a distributed learning algorithm as well. Analysis and simulation show that the proposed scheme guarantees sensing reliability without any performance loss and reduces the communication overhead significantly to achieve high throughput for secondary user in sensing cooperation.

Key words: cognitive radio network, cooperative spectrum sensing, evolutionary game

CLC Number:

TN911.22

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Evolutionary Game for Cooperative Spectrum Sensing in Cognitive Radio Networks

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