Optimal radio access in femtocell networks based on markov modeling of interferers' activity

One of the most critical issues in femtocell network deployment is interference management, especially for femtocells sharing the spectrum occupied by conventional cellular networks. In this work we propose and analyze an optimal power allocation strategy based on modeling the interferer's acti...

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Bibliographic Details
Main Authors: Barbarossa, S., Carfagna, A., Sardellitti, S., Omilipo, M., Pescosolido, L.
Format: Conference Proceeding
Language:English
Subjects:
Convergence
Femtocells
Games
Interference
Interference Management
Markov Chains
Markov processes
Radio Access
Resource management
Time frequency analysis
Ultrafast electronics
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Summary:One of the most critical issues in femtocell network deployment is interference management, especially for femtocells sharing the spectrum occupied by conventional cellular networks. In this work we propose and analyze an optimal power allocation strategy based on modeling the interferer's activity as a two-state Markov chain. In the single femto-user access, we show how to maximize the expected value of femto-user rate, averaged over the interference statistical model. Then, we extend the approach to the multiuser case, adopting a game-theoretic formulation to devise decentralized access strategies, particularly suitable in view of potential massive deployment of femto access points.
ISSN:1520-6149
2379-190X
DOI:10.1109/ICASSP.2011.5946705