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QUASI CO-LOCATED ANTENNA PORTS FOR CHANNEL ESTIMATION

  • US 20170353949A1
  • Filed: 08/22/2017
  • Published: 12/07/2017
  • Est. Priority Date: 08/03/2012
  • Status: Active Grant
First Claim
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1. A wireless device configured to operate in a cellular communications network, comprising:

  • a radio subsystem; and

    a processing subsystem associated with the radio subsystem configured to;

    receive, via the radio subsystem, a downlink subframe comprising a downlink control channel from the cellular communications network, a search space of the wireless device with respect to the downlink control channel comprising a plurality of sets of downlink control channel physical resources; and

    estimate a channel for an antenna port of interest in one of the plurality of sets based on an assumption by the wireless device that one or more other antenna ports in the same one of the plurality of sets are quasi co-located with respect to the antenna port of interest.

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