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Primary User Localization Schemes in Cooperative Sensing

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International Journal of Computer Applications
© 2014 by IJCA Journal
Volume 105 - Number 13
Year of Publication: 2014
Authors:
L. M. Schalk
H. Srikanth Kamath
10.5120/18434-9640

L M Schalk and Srikanth H Kamath. Article: Primary User Localization Schemes in Cooperative Sensing. International Journal of Computer Applications 105(13):1-5, November 2014. Full text available. BibTeX

@article{key:article,
	author = {L. M. Schalk and H. Srikanth Kamath},
	title = {Article: Primary User Localization Schemes in Cooperative Sensing},
	journal = {International Journal of Computer Applications},
	year = {2014},
	volume = {105},
	number = {13},
	pages = {1-5},
	month = {November},
	note = {Full text available}
}

Abstract

In cognitive radio networks secondary users access licensed frequency bands if they are free to use. Since it is inevitable that transmissions of the licensed users must not be interfered with different sensing and transmission techniques have to be utilized by the secondary users. For example the knowledge of a primary user location can be exploited to reduce the interference with that particular user. Thereby applicable techniques are directed transmissions and transmission power control of the secondary users. However the localization is not trivial and is tainted with uncertainties due to estimation errors. In this paper several different primary user localization schemes based on Received Signal Strength (RSS) measurements which try to reduce the localization error to a minimum with reasonable effort are presented. Some of them are adopted from wireless sensor networks.

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