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Co-channel deployment of new and legacy carrier types

  • US 9,756,542 B2
  • Filed: 04/16/2014
  • Issued: 09/05/2017
  • Est. Priority Date: 04/16/2013
  • Status: Active Grant
First Claim
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1. A method, in one or more nodes of a cellular system that includes a plurality of cells that can each be selectively operated with either a first carrier type or a second carrier type, one of the first and second carrier types either having substantially fewer reference symbols than the other or lacking a control structure supported by the other, or both, the method comprising:

  • determining that a cell or cells should be switched from the first carrier type to a second carrier type, based on an evaluation of User Equipment (UE) performance criteria, andchanging the carrier type on the cell or cells from the first carrier type to the second carrier type.

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