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Node Pair Selection Schemes Using Interference Alignment in MIMO Interference Channel with Cooperation
Myeong-Jin KIM Hyun-Ho LEE Young-Chai KO Taehyun JEON
Publication
IEICE TRANSACTIONS on Communications
Vol.E96-B
No.6
pp.1502-1510 Publication Date: 2013/06/01 Online ISSN: 1745-1345
DOI: 10.1587/transcom.E96.B.1502 Print ISSN: 0916-8516 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: node pair selection, MIMO interference channel, interference alignment, sum rate, outage probability,
Full Text: PDF(1.3MB)>>
Summary:
In this paper, we propose four different strategies of node pair selection in multiple input multiple output (MIMO) interference channel where interference alignment (IA) is considered as a transceiver design method. In the first scheme, we consider the maximization of the sum rate by selecting node pairs in a brute force way. We also propose a sub-optimal sum rate maximization scheme with lower complexity than the first scheme. In the third scheme, we aim to minimize the number of links among pairs which incurs the outage in MIMO interference channel. In the fourth scheme, we suggest a max-min node pair selection scheme to enhance both the sum rate and the outage probability. Simulation results demonstrate that all our proposed node pair selection schemes can increase the sum rate but also while also reducing the outage probability compared to the scheme with random node pair selection.
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