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Game Theoretic Approach to Spectrum Allocation for Weak Interference Systems
KTH, School of Electrical Engineering (EES), Signal Processing. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre. KTH, School of Electrical Engineering (EES), Signal Processing.
KTH, School of Electrical Engineering (EES), Signal Processing. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0002-3599-5584
KTH, School of Electrical Engineering (EES), Signal Processing. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0003-2298-6774
2008 (English)In: GLOBECOM 2008 - 2008 IEEE GLOBAL TELECOMMUNICATIONS CONFERENCE, 2008, 1-5 p.Conference paper, Published paper (Refereed)
Abstract [en]

A scenario consisting of two transmitter-receiver pairs coexisting in the same area and communicating using the same portion of the spectrum is considered. Decentralized coding strategies are employed at the transmitter side and no cooperation is assumed between the two systems. We investigate the structure of Nash equilibria corresponding to simultaneous water-filling solutions and propose a scheme that improves overall performance of systems with weak mutual interference. The resulting scheme provides a spectrum sharing rule in the form of a modified utility function. The conditions for optimality are presented and a numerical example illustrates the performance compared to a scheme employing the link rate as utility function.

Place, publisher, year, edition, pages
2008. 1-5 p.
Series
IEEE Global Telecommunications Conference (Globecom), ISSN 1930-529X
Keyword [en]
Coding strategy, Mutual interference, Nash equilibria, Numerical example, Optimality, Performance of systems, Spectrum allocation, Spectrum sharing, Utility functions, Waterfilling
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-32014DOI: 10.1109/GLOCOM.2008.ECP.868ISI: 000287978004120Scopus ID: 2-s2.0-67249130861ISBN: 978-1-4244-2324-8 (print)OAI: oai:DiVA.org:kth-32014DiVA: diva2:409023
Conference
IEEE Global Telecommunications Conference (GLOBECOM 08), New Orleans, LA, NOV 30-DEC 04, 2008
Note
QC 20110406Available from: 2011-04-06 Created: 2011-04-04 Last updated: 2012-01-23Bibliographically approved

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Bengtsson, MatsOttersten, Björn

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