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12th Annual Meeting of China Association for Science and Technology on Information and Communication Technology and Smart Grid (AMCST 2010 E-BOOK)

Fuzhou,China,11.1-11.3，2010

ISBN: 978-1-935068-23-5 Scientific Research Publishing, USA

E-Book 660pp Pub. Date: November 2010

Category: Computer Science & Communications

Price: $120

Title: A Noval Cooperative Sensing Algorithm Based on Combination of Soft Decision and Hard Decision
Source: 12th Annual Meeting of China Association for Science and Technology on Information and Communication Technology and Smart Grid (AMCST 2010 E-BOOK) (pp 468-471)
Author(s): Xiao-bing Liu, Company of Postgraduate Management, institute of Command &Technology of Equipment ,,Beijing, China, 101416
Li-tian Liu, Deparment of Information Equipment, institute of Command &Technology of Equipment,, Beijing, China, 101416
Shuang Wang, Company of Postgraduate Management, institute of Command &Technology of Equipment ,,Beijing, China, 101416
Abstract: Cognitive Radio (CR) technology is being recognized as an efficient method in dealing with the scare spectrum resources, the spectrum detection is one of the important steps in CR，and the cooperative spectrum detection is popular because of its good detection ability. Based on a brief analysis and contrast of the “soft decision” and “hard decision” algorithms, the double threshold spectrum sensing algorithm was proposed in this paper which can ensure the detection precision, and reduce the measurement of transmitted data meanwhile. Theory analysis and simulation results show that the novel algorithm can enhance the detection probability and reduce the detection time.
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