Searching for control channels in a wireless network

  • US 10,716,063 B2
  • Filed: 01/22/2018
  • Issued: 07/14/2020
  • Est. Priority Date: 05/07/2007
  • Status: Active Grant
First Claim
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1. A method of operating a user equipment (UE), the method comprising:

  • receiving control channel information; and

    searching for a control channel in the control channel information by decoding control channels represented by nodes of a tree structure using an identifier, the tree structure having three or more levels, the nodes of the tree structure at a highest level of the tree structure comprising a single control channel element and nodes of the tree structure at lower levels of the tree structure comprising a plurality of consecutive control channel elements, wherein the searching is limited for control channels at the highest level of the tree structure and wherein a percentage of candidate control channels searched increases more the lower the level of the three or more levels of the tree structure.

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