DocumentCode :
1525899
Title :
Distributed Power Control for One-to-Many Transmissions in Gaussian Interference Channels
Author :
Lin, Xingqin ; Lok, Tat M.
Author_Institution :
Department of Electrical & Computer Engineering, University of Texas at Austin
Volume :
60
Issue :
8
fYear :
2012
fDate :
8/1/2012 12:00:00 AM
Firstpage :
2363
Lastpage :
2375
Abstract :
In this paper, we extend the distributed power control problem for one-to-one transmissions in Gaussian interference channels to one-to-many transmission scenarios. We assume a user-centric wireless network where the end users play the roles of decision makers. We formulate the power control problem as a noncooperative game. New challenges arise due to the coupling issues among power strategy spaces of distributed end users, which make standard Nash equilibrium based noncooperative game approach inapplicable. Indeed, our problem turns out to be a generalized Nash equilibrium problem (GNEP). Resorting to variational inequality theory, we show several fundamental properties of the GNEP. Then we propose a penalty-based distributed algorithm IP^2JA, which possesses favorable properties for practical implementation. Numerical results are provided to verify our arguments and proposed algorithm.
Keywords :
Games; Interference channels; Power control; Receivers; Silicon; Transmitters; Distributed power control; generalized Nash equilibrium problem; one-to-many transmissions; variational inequality;
fLanguage :
English
Journal_Title :
Communications, IEEE Transactions on
Publisher :
ieee
ISSN :
0090-6778
Type :
jour
DOI :
10.1109/TCOMM.2012.051712.110066
Filename :
6205656
Link To Document :
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