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A decentralized approach for self-coexistence among heterogeneous networks in TVWS

Maloku, H., Hamiti, E., Limani, Z. , Papadopoulou Lesta, V., Pitsillides, A. & Rajarajan, M. (2017). A decentralized approach for self-coexistence among heterogeneous networks in TVWS. IEEE Transactions on Vehicular Technology, 67(2), pp. 1302-1312. doi: 10.1109/tvt.2017.2755605


IEEE This paper focuses on coexistence and self- coexistence challenges between secondary heterogeneous wireless networks/users sharing TV Whitespace spectrum. The coexistence problems arise from having several primary and secondary networks of different technologies cohabiting the same licensed spectrum simultaneously. The self- coexistence problems arise from many secondary systems /users coexisting at the same place while using identical or different technologies. In particular, fair distribution of available spectrum becomes a serious issue. In this work we use a game theoretic approach to model the self-coexistence problem as a competitive game between secondary networks. We show that our game belongs to the class of congestion-averse games which are known to posses pure Nash Equilibria. This leads us to a decentralized approach for spectrum sharing among systems with different PHY/MAC characteristics. We show that our proposal outperforms other centralized algorithms in terms of user fairness and per-user theoretical data rates.

Publication Type: Article
Additional Information: © 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Publisher Keywords: cognitive radio, self-coexistence, congestion, averse games
Departments: School of Science & Technology > Engineering
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