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On the Beamforming Design for Efficient Interference Alignment
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AI
DOI：10.1109/LCOMM.2009.090735.png)
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摘要
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An efficient interference alignment (IA) scheme is developed for K-user single-input single-output frequency selective fading interference channels. The main idea is to steer the transmit beamforming matrices such that at each receiver the subspace dimensions occupied by interference-free desired streams are asymptotically the same as those occupied by all interferences. Our proposed scheme achieves a higher multiplexing gain at any given number of channel realizations in comparison with the original IA scheme, which is known to achieve the optimal multiplexing gain asymptotically.
Keyword:
Beamforming
interference alignment
multiplexing gain
期刊
IF:
4.4
论文数:
1.3W
被引数:
2.2W
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