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Enhanced Multiplexing Gain Using Interference Alignment Cancellation in Multi-Cell MIMO Networks.
- Source :
-
IEEE Transactions on Information Theory . Jan2016, Vol. 62 Issue 1, p357-369. 13p. - Publication Year :
- 2016
-
Abstract
- Interference alignment is an effective technique for reducing interference in wireless networks. This paper proposes a generalized interference alignment and cancellation scheme for a cellular network with multiple-input multiple-output users under a Gaussian interfering broadcast channel scenario. We first focus on a three-cell network scenario to demonstrate the basic principle of how to design the transmit beamforming matrix using a non-iterative closed-form approach. We further analytically define the degree of freedom region and numerically confirm the validity of the proposed scheme. Finally, we generalize the proposed method to the $L$ -cell case and consider the impact of different antenna configurations to maintain the proposed scheme. [ABSTRACT FROM PUBLISHER]
Details
- Language :
- English
- ISSN :
- 00189448
- Volume :
- 62
- Issue :
- 1
- Database :
- Academic Search Index
- Journal :
- IEEE Transactions on Information Theory
- Publication Type :
- Academic Journal
- Accession number :
- 111967069
- Full Text :
- https://doi.org/10.1109/TIT.2015.2500583