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METHOD FOR DESIGNING HIERARCHICAL STRUCTURE PRECODER IN VEHICLE-TO-VEHICLE COMMUNICATION SYSTEM, AND DEVICE THEREFOR

  • US 20180183505A1
  • Filed: 01/14/2016
  • Published: 06/28/2018
  • Est. Priority Date: 06/19/2015
  • Status: Active Grant
First Claim
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1. A method of designing a hierarchical structure precoder by a user equipment (UE), the method comprising:

  • receiving group information indicating a UE group based on a direction of a first type beam;

    feeding back preference information on the first type beam based on the group information;

    receiving information on the first type beam, determined based on the preference information;

    designing the hierarchical structure precoder comprising a first precoder and a second precoder based on the received first type beam information; and

    feeding back channel information based on the hierarchical structure precoder,wherein the first precoder is precoder information on the first type beam direction and the second precoder is precoder information on a direction of a second type beam in the direction of the first type beam.

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