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Wireless communication device and wireless communication method

  • US 10,651,911 B2
  • Filed: 10/31/2016
  • Issued: 05/12/2020
  • Est. Priority Date: 11/06/2015
  • Status: Active Grant
First Claim
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1. A wireless communication device for base station side, comprising:

  • at least one processor configured toacquire a distribution profile of user equipments, wherein the distribution profile indicates a user density;

    determine, based on the distribution profile of the user equipments, a Channel State Information Reference Signal CSI-RS mechanism to be adopted, wherein determining the CSI-RS mechanism comprises selecting one of a beamformed CSI-RS and a non-precoded CSI-RS, wherein the non-precoded CSI-RS is selected in a case where the user density is higher than a predetermined level, and the beamformed CSI-RS is selected in a case where the user density is lower than the predetermined level, and wherein the predetermined level is related to a spatial resolution of the beamformed CSI-RS;

    generate indication information for informing a user equipment of the CSI-RS mechanism to be adopted; and

    control, according to the CSI-RS mechanism, a transmission of a CSI-RS to the user equipment.

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