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Method and apparatus for channel feedback based on reference signal

  • US 9,107,104 B2
  • Filed: 12/02/2013
  • Issued: 08/11/2015
  • Est. Priority Date: 01/14/2010
  • Status: Active Grant
First Claim
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1. A method for wireless communication, comprising:

  • determining at least one bandwidth part configured for a user equipment (UE), each bandwidth part covering at least one subband among a plurality of subbands, each bandwidth part comprising less than all of a system bandwidth;

    receiving a first reference signal and a second reference signal, the second reference signal being transmitted less frequently than the first reference signal; and

    determining channel feedback information for the at least one bandwidth part based on the second reference signal, wherein the second reference signal comprises a channel state information reference signal.

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