A Fast Convergent Interference Alignment Algorithm for Multiple Interfering Channels
|International Journal of Electronics and Communication Engineering|
|© 2015 by SSRG - IJECE Journal|
|Volume 2 Issue 2|
|Year of Publication : 2015|
|Authors : S.Dhivyaprabha and C.Sherin Shibi|
How to Cite?
S.Dhivyaprabha and C.Sherin Shibi, "A Fast Convergent Interference Alignment Algorithm for Multiple Interfering Channels," SSRG International Journal of Electronics and Communication Engineering, vol. 2, no. 2, pp. 35-40, 2015. Crossref, https://doi.org/10.14445/23488549/IJECE-V2I2P107
Interference alignment is an efficient technique to improve the performance of MIMO systems. A number of interference alignment algorithms were proposed to obtain interference alignment solutions in the K-user multiple-input multiple-output (MIMO) interference channel (IC). Most of the proposed algorithms are based on either alternating minimization or steepest descent method. These methods requiresa large number of iterations to converge, which results in high computational time. In this paper we propose a faster convergent interference alignment algorithm based on first order gauss-newton method.Our numerical results show that, in addition to systematically converging to a zero interference leakage point (in feasible scenarios) regardless of the initialization point, theproposed method provides remarkable computation time savings when compared to the well-known alternating minimization (AM) or steepest-descent (SD) algorithms.
Alternating minimization, Gauss Newton, interference alignment, interference channel, steepest descent.
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