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Method and apparatus for transmitting control signaling

  • US 9,497,750 B2
  • Filed: 12/19/2013
  • Issued: 11/15/2016
  • Est. Priority Date: 06/22/2011
  • Status: Active Grant
First Claim
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1. A method for transmitting, by a network node, control signaling, comprising:

  • determining that a physical downlink shared channel (PDSCH) transmission scheme for a component carrier accessed by a user equipment (UE) is;

    a user equipment-specific reference signal (UE RS) based non precoding matrix indicator (Non-PMI) feedback transmission scheme by determining antenna ports corresponding to the UE RS wherein a Non-PMI feedback transmission scheme is a transmission scheme where no PMI is fed back by a UE; and

    notifying the UE of the determined PDSCH transmission scheme by sending, by the network node, downlink control information (DCI) to the UE, where the format of the DCI is DCI format 1A, DCI format 1, or DCI format 2C, and wherein a disabled transport block in the DCI carries signaling used to indicate the determined antenna ports corresponding to the UE RS.

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