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Wireless feedback communications over unlicensed spectrum

  • US 9,723,516 B2
  • Filed: 05/19/2014
  • Issued: 08/01/2017
  • Est. Priority Date: 05/20/2013
  • Status: Active Grant
First Claim
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1. A method for wireless communications, comprising:

  • identifying at least one transmission time interval during which transmissions are gated OFF in an unlicensed spectrum and at least one other transmission time interval during which transmissions are gated ON in the unlicensed spectrum; and

    receiving feedback information associated with both the at least one transmission time interval and the at least one other transmission time interval from a user equipment (UE) via a primary component carrier (PCC) uplink in a licensed spectrum, wherein receiving feedback information comprises receiving long-term channel state information (CSI) for the at least one transmission time interval during which transmissions are gated OFF for a downlink in the unlicensed spectrum.

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