Comments on "a new ML based interference cancellation technique for layered space-time codes"

Authors:
Hufei Zhu;Wen Chen
Affiliations:
Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai, P. R. China and Huawei Technologies Co., Ltd., Shenzhen, P. R. China;Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai, P.R. China and SEU SKL for Mobile Communications
Venue:
IEEE Transactions on Communications
Year:
2010

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Abstract

In this comment, we justify that the computational complexity proposed in the paper "A New ML Based Interference Cancellation Technique for Layered Space-Time Codes" (IEEE Trans. on Communications, vol. 57, no. 4, pp. 930-936, 2009) is O(N3) rather than the claimed O(N2), where N is the number of receive antennas.