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An improved interference mitigation scheme based on interference subspace alignment

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3 Author(s)
Shiwen He ; School of Information Science and Engineering, Southeast University, Nanjing 210096, China ; Yongming Huang ; Luxi Yang

This paper proposes an improved interference subspace alignment scheme for the K-user interference channels, which combines the conventional interference subspace alignment algorithm and the power allocation algorithm between data streams. More specifically, in the proposed scheme a power allocation scheme is developed to mitigate the leftover interference from the conventional interference subspace alignment algorithm, achieving a performance improvement in terms of sum rate. The advantage of the proposed scheme is confirmed by computer simulation results.

Published in:

Wireless Communications and Signal Processing (WCSP), 2011 International Conference on

Date of Conference:

9-11 Nov. 2011