Codebook subset restriction signaling

  • US 10,193,600 B2
  • Filed: 01/11/2016
  • Issued: 01/29/2019
  • Est. Priority Date: 01/14/2015
  • Status: Active Grant
First Claim
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1. A method implemented by a network node for signaling to a wireless communication device which precoders in a codebook are restricted from being used, the method characterized by:

  • generating codebook subset restriction signaling that, for each of one or more groups of precoders, jointly restricts the precoders in the group by restricting a certain component that the precoders in the group have in common, wherein the codebook subset restriction signaling is rank-agnostic signaling that jointly restricts the precoders in a group without regard to the precoders'"'"' transmission rank; and

    sending the generated signaling from the network node to the wireless communication device.

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