NDLI: Whether and when to share: Spectrum sensing as an evolutionary game

Content Provider	IEEE Xplore Digital Library
Author	Ying Dai Jie Wu
Copyright Year	2013
Description	Author affiliation: Dept. of Comput. & Inf. Sci., Temple Univ., Philadelphia, PA, USA (Ying Dai; Jie Wu)
Abstract	Cooperative spectrum sensing is an efficient sensing scheme for cognitive radio networks (CRNs), in which secondary users (SUs) share sensing results with other SUs to improve the overall sensing performance. For a single SU, if the sensing results are shared early, there is more time for data transmission, which improves the throughput. In cases with multiple SUs sending early sensing results, it is more likely that the sensing results will be sent simultaneously over the same signaling channel. In this situation, the conflicts that occur affect both the sensing performance and throughput. For this situation, importance of when to share is taken into account, for which we have modeled spectrum sensing as an evolutionary game. The strategy set for each player in our game model contains not only whether to share its sensing results, but also when to share. The payoff of each player is defined based on the throughput, which considers the influence of the time spent both on sensing and sharing. We prove the existence of the evolutionarily stable strategy (ESS). In addition, we propose a practical algorithm for each secondary user to converge at the ESS. We conduct experiments on our GNU/USRP testbed. The experimental results verify for our model, including the convergence to the ESS.
Starting Page	68
Ending Page	73
File Size	370146
Page Count	6
File Format	PDF
ISBN	9781479921201
DOI	10.1109/CROWNCom.2013.6636796
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-07-08
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	ICST - The Institute for Computer Sciences, Social Informatics and Telecommunications Engineering
Subject Keyword	Availability Cognitive radio networks (CRNs) Games spectrum sensing game theory Throughput Silicon Sensors Data communication USRP testbed Game theory
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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