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Distributed Power Allocation for Femtocell Networks Subject to Macrocell SINR Balancing
- Authors
- Cho, In-Sop; Baek, Seung Jun
- Issue Date
- 11월-2016
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Femtocell networks; power allocation; distributed algorithm; macrocell SINR balancing
- Citation
- IEEE COMMUNICATIONS LETTERS, v.20, no.11, pp.2296 - 2299
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE COMMUNICATIONS LETTERS
- Volume
- 20
- Number
- 11
- Start Page
- 2296
- End Page
- 2299
- ISSN
- 1089-7798
- Abstract
- 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-interference-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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