Distributed interference alignment iterative algorithms in symmetric wireless network release_ux7mxslp7vfankpsd65c6tjyey

by YANG Jingwen, LI Li, QIU Hao

Published in Journal of Shanghai Normal University (Natural Sciences) by Academic Journals Center of Shanghai Normal University.

2015   Volume 44, p32-38


Interference alignment is a novel interference alignment way,which is widely noted all of the world.Interference alignment overlaps interference in the same signal space at receiving terminal by precoding so as to thoroughly eliminate the influence of interference impacted on expected signals,thus making the desire user achieve the maximum degree of freedom.In this paper we research three typical algorithms for realizing interference alignment,including minimizing the leakage interference,maximizing Signal to Interference plus Noise Ratio (SINR) and minimizing mean square error(MSE).All of these algorithms utilize the reciprocity of wireless network,and iterate the precoders between original network and the reverse network so as to achieve interference alignment.We use the uplink transmit rate to analyze the performance of these three algorithms.Numerical simulation results show the advantages of these algorithms.which is the foundation for the further study in the future.The feasibility and future of interference alignment are also discussed at last.
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