Presentation 2013-12-18
Interference Alignment based Distributed Resource Allocation Schemes for HetNets
Megumi KANEKO, Junto NAKAOKA, Kazunori HAYASHI, Hideaki SAKAI,
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Abstract(in English) We investigate Interference Alignment (IA) techniques for a Macrocell/Femtocell coexisting Heterogenous Network (HetNet) on the same frequency. As transmit powers of the different nodes in HetNets are very disparate, convergence of existing IA distributed algorithms, Leakage minimization (LM) and the Maximum Signal-to-Interference-plus-Noise-Ratio (Max. SINR) designed for K-pair MIMO systems, is not guaranteed. Thus, we propose a hybrid distributed algorithm well-suited to the power constraints in HetNets. In addition, we also design distributed Macrocell user scheduling algorithms. Proposed schemes provide high sum-rate performance both at the Macrocell and Femtocells, while reducing the required computational complexity compared to reference algorithms.
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Keyword(in English) HetNets / Interference Alignment / Distributed Algorithms / Radio Resource Allocation
Paper # RCS2013-211
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Committee RCS
Conference Date 2013/12/11(1days)
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Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Interference Alignment based Distributed Resource Allocation Schemes for HetNets
Sub Title (in English)
Keyword(1) HetNets
Keyword(2) Interference Alignment
Keyword(3) Distributed Algorithms
Keyword(4) Radio Resource Allocation
1st Author's Name Megumi KANEKO
1st Author's Affiliation Graduate School of Informatics, Kyoto University()
2nd Author's Name Junto NAKAOKA
2nd Author's Affiliation Graduate School of Informatics, Kyoto University
3rd Author's Name Kazunori HAYASHI
3rd Author's Affiliation Graduate School of Informatics, Kyoto University
4th Author's Name Hideaki SAKAI
4th Author's Affiliation Graduate School of Informatics, Kyoto University
Date 2013-12-18
Paper # RCS2013-211
Volume (vol) vol.113
Number (no) 361
Page pp.pp.-
#Pages 6
Date of Issue