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Power Allocation for Parallel Channels with One-bit Analog-to-digital Conversion

Zhide LiZhou LvXuedan Zhang

Department of Electronic Engineering,Tsinghua University

摘要:In this paper,the problem of maximizing the mutual information of independent parallel Gaussian-noise channels is studied under an average power constraint with one-bit analog-to-digital(A/D) convertor.It is shown that the power allocation problem is a convex optimization problem,which can be solved efficiently.Meanwhile,the waterfilling interpretation for the power allocation problem is also given.Further,the combined 1bit/dimension vector quantizer and precoder design are studied in the 2 parallel independent channels.Simulation results demonstrate that substantial gain can be achieved compared to power allocation scheme especially when the difference of channel gains is large and the range of SNR is low to medium.
会议名称:

International Conference on Information Sciences,Machinery,Materials and Energy(ICISMME 2015)

会议时间:

2015-04-11

会议地点:

中国重庆

  • 专辑:

    信息科技

  • 专题:

    无线电电子学

  • 分类号:

    TN792

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