Correction of Convergence Proof for Iterative Water-Filling in Gaussian MIMO Broadcast Channels

Authors:
P. He;Lian Zhao
Affiliations:
Dept. of Electr. & Comput. Eng., Ryerson Univ., Toronto, ON, Canada;-
Venue:
IEEE Transactions on Information Theory
Year:
2011

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Abstract

This paper first identifies a flaw in the proof of the convergence theorem of Algorithm 2 of the paper by Jindal [“Sum power iterative water-filling for multi-antenna Gaussian broadcast channels,” IEEE Trans. Inf. Theory, vol. 54, no. 4, pp. 1570-1580, Apr. 2005] and then presents a corrected convergence proof for that algorithm.