Parameterized codebook with subset restrictions for use with precoding MIMO transmissions

  • US RE47,074 E1
  • Filed: 02/16/2016
  • Issued: 10/02/2018
  • Est. Priority Date: 04/07/2010
  • Status: Active Grant
First Claim
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1. A method in a wireless communication transceiver of controlling precoder selection feedback sent to another wireless communication transceiver that precodes transmissions to the transceiver, wherein said precoder selection feedback indicates precoder selections by said transceiver, said method characterized by:

  • receiving restriction signaling from the other transceiver that identifies one or more permitted subsets within a defined set of overall precoders, or, where the defined set of overall precoders is represented by defined sets of conversion precoders and tuning precoders, said restriction signaling identifies one or more permitted subsets of precoders, within the defined sets of said conversion precoders and tuning precoders; and

    generating said precoder selection feedback for sending to the other transceiver based on restricting precoder selections by said transceiver according to said restriction signaling;

    wherein respective combinations of conversion and tuning precoders correspond to respective ones of the overall precoders.

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