Distributed Power Allocation for Femtocell Networks Subject to Macrocell SINR Balancing

We consider the power allocation for the two-tier heterogeneous network where a macrocell (MC) coexists with multiple femtocells (FCs). Each FC aims to maximize the weighted sum-rate of its users subject to MC signal-to-inter-ference-plus-noise ratio (SINR) balancing, which means that a prescribed S...

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Bibliographic Details
Published in:IEEE communications letters Vol. 20; no. 11; pp. 2296 - 2299
Main Authors: Cho, In-Sop, Baek, Seung Jun
Format: Journal Article
Language:English
Published: New York IEEE 01.11.2016
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:
Cellular communication
Convergence
distributed algorithm
Downlink
Electric power distribution
Femtocell networks
Games
Interference
Macrocell networks
macrocell SINR balancing
power allocation
Resource management
Signal to noise ratio
ISSN:1089-7798, 1558-2558
Online Access:Get full text
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Summary:We consider the power allocation for the two-tier heterogeneous network where a macrocell (MC) coexists with multiple femtocells (FCs). Each FC aims to maximize the weighted sum-rate of its users subject to MC signal-to-inter-ference-plus-noise ratio (SINR) balancing, which means that a prescribed SINR is guaranteed to MC users. We formulate a noncooperative game which captures bidirectional cross-tier interference. We develop a fully decentralized algorithm, and derive a sufficient condition for its convergence to a unique equilibrium.
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ISSN:1089-7798
1558-2558
DOI:10.1109/LCOMM.2016.2602831