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- Title
An Iterative Interference Alignment Scheme for the SISO Interference Channel.
- Authors
Shen, Hui; Li, Bin
- Abstract
In this paper, we propose a novel iterative interference alignment (IA) scheme for the single-input single-output (SISO) interference channel system using minimum total mean square error criterion under the individual transmitter power constraints. We show that interference alignment under such criterion could be realized through an iterative algorithm. The convergence of the proposed algorithm is discussed. We also proposed a robust MMSE-based iterative design with imperfect channel state information. Simulation results, compared with several existing IA schemes, have shown that the proposed method could effectively improve the BER performance of the SISO interference channel system while maintaining the same degree of freedom as Cadambe-Jafar scheme. The proposed robust MMSE-based iterative interference alignment scheme is shown to be less sensitive to channel estimation error.
- Subjects
ITERATIVE methods (Mathematics); MEAN square algorithms; STOCHASTIC convergence; COMPUTER simulation; SAMPLING errors; DEGREES of freedom
- Publication
Wireless Personal Communications, 2012, Vol 67, Issue 3, p707
- ISSN
0929-6212
- Publication type
Article
- DOI
10.1007/s11277-011-0406-4