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Spatial-domain-matched-filtering-method-and-array-receiver-in-wireless-communication-system

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Spatial domain matched filtering method and array receiver in wireless communication system

Details

Inventors: Li, Jiang; Zhang, Jinlin; Ding, Qi; Wu, Hebing; Guo, Junfeng;
Assignee: Huawei Technologies Co., Ltd. (Shen Zhen, CN)
Primary Examiner: Vuong; Quochien B.
Assistant Examiner:
Attorney, Agent or Firm: Dorsey & Whitney LLP

A spatial domain matched filtering method and an array receiver in a radio communication system are provided. The spatial domain matched filtering method includes the steps of receiving array digital signals; weighting the array digital signals to obtain digital beam output signals; evaluating power value of digital beam output signals and normalizing the digital beam output signals; evaluating a correlation coefficient reflecting the energy of an expected signal in each beam; wherein evaluating equations are: ##EQU1## Coeffi(k)=Coeffi(k)+αCoeffi(k-1); and outputting the digital beam output signal corresponding to the maximum correlation coefficient.

DETAILED DESCRIPTION What is claimed is: 1.
A spatial domain matched filtering method, comprising the steps of: receiving array digital signals; performing a weighting calculation for the array digital signals and weighting vectors of NB set to obtain a digital beam output signal SBi(n) of NB set; evaluating power value PSBi(n) of the digital beam output signal within a correlation time period: PSBi(n)=αpSBi(n)SBi*(n)+(1-αp)SBi

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