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METHOD FOR CSI FEEDBACK

  • US 20160105817A1
  • Filed: 03/11/2015
  • Published: 04/14/2016
  • Est. Priority Date: 10/10/2014
  • Status: Abandoned Application
First Claim
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1. A method of operation of a base station of a cellular communications network to enable flexible Channel State Information, CSI, feedback, comprising:

  • configuring a wireless device with a set of Channel State Information Reference Symbol, CSI-RS, resources;

    dynamically configuring a CSI-RS resource from the set of CSI-RS resources for measurement via one of;

    an uplink scheduling grant;

    a dedicated downlink control channel message;

    a downlink assignment;

    a Downlink Control Information, DCI, message; and

    a Medium Access Control, MAC, Control Element, CE.; and

    receiving a CSI report from the wireless device determined from the CSI-RS resource dynamically configured for measurement.

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