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On The Optimal Amount of Training for Peak-Power-Limited Rayleigh Fading Channels

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4 Author(s)
Wei Mao ; Tsinghua Univ., Beijing ; Xin Su ; Ming Zhao ; Xibin Xu

We consider the optimal amount of training for single-antenna Rayleigh flat fading channels with peak-power- limited input. The receiver uses known training symbols to perform minimum mean square error (MMSE) channel estimation. With a block-fading channel model and a perfect interleaving assumption, we first analyze the characteristics of the optimum input distribution, then numerically compute the training-based capacity, and then find the optimal number of training symbols that maximizes the capacity.

Published in:

Communications, 2007. ICC '07. IEEE International Conference on

Date of Conference:

24-28 June 2007