Distributed spectrum access with spatial reuse
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AbstractEfficient distributed spectrum sharing mechanism is crucial for improving the spectrum utilization. The spatial aspect of spectrum sharing, however, is less understood than many other aspects. In this paper, we generalize a recently proposed spatial congestion game framework to design efficient distributed spectrum access mechanisms with spatial reuse. We first propose a spatial channel selection game to model the distributed channel selection problem with fixed user locations. We show that the game is a potential game, and develop a distributed learning mechanism that converges to a Nash equilibrium only based on users' local observations. We then formulate the joint channel and location selection problem as a spatial channel selection and mobility game, and show that it is also a potential game. We next propose a distributed strategic mobility algorithm, jointly with the distributed learning mechanism, that can converge to a Nash equilibrium. © 1983-2012 IEEE.
All Author(s) ListChen X., Huang J.
Journal nameIEEE Journal on Selected Areas in Communications
Volume Number31
Issue Number3
PublisherInstitute of Electrical and Electronics Engineers
Place of PublicationUnited States
Pages593 - 603
LanguagesEnglish-United Kingdom
Keywordsdistributed learning, Distributed spectrum sharing, game theory, spatial reuse, strategic mobility

Last updated on 2020-19-11 at 00:07