Title :
Selection of Sensing Nodes in Cognitive Radio System Based on Correlation of Sensing Information
Author :
Sun, Yanzan ; Hu, Honglin ; Liu, Fuqiang ; Yi, Huiyue ; Wang, Xinhong
Author_Institution :
Broadband Wireless Commun. & Multimedia Lab., Tongji Univ., Shanghai
Abstract :
Spectrum sensing is the necessary function to achieve spectrum sharing. Distributed and collaborative spectrum sensing can improve the sensing credibility greatly, however when there are too many sensing nodes in the cognitive radio system, for example IEEE802.22 Wireless Regional Area Network system, it will produce large signaling overhead. To reduce the signaling overhead, the selection of sensing nodes in cognitive radio system based on the correlation of sensing information is proposed in this paper. Our analysis and simulation results show that this method can reduce the number of sensing nodes remarkably and effectively.
Keywords :
IEEE standards; cognitive radio; correlation methods; IEEE802.22 wireless regional area network system; cognitive radio system; collaborative spectrum sensing; distributed spectrum sensing; sensing information correlation; sensing nodes; signaling overhead; spectrum sharing; Chromium; Cognitive radio; Degradation; FCC; Feedback; Interference; Iterative algorithms; Probability; Wireless communication; Wireless sensor networks;
Conference_Titel :
Wireless Communications, Networking and Mobile Computing, 2008. WiCOM '08. 4th International Conference on
Conference_Location :
Dalian
Print_ISBN :
978-1-4244-2107-7
Electronic_ISBN :
978-1-4244-2108-4
DOI :
10.1109/WiCom.2008.310
