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EXTENDING PHYSICAL DOWNLINK CONTROL CHANNELS

  • US 20110075624A1
  • Filed: 09/28/2010
  • Published: 03/31/2011
  • Est. Priority Date: 09/28/2009
  • Status: Active Grant
First Claim
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1. A method for extending a Physical Downlink Control CHannel (PDCCH) region in a single cell to provide Downlink Control Information (DCI) to a User Equipment (UE) in order to enable communication over a plurality of cells in a communication system wherein the UE receives DCI from a Node B through a DCI format transmitted over a PDCCH and wherein the PDCCH is transmitted through Control Channel Elements (CCEs) in a UE-Common Search Space (UE-CSS) or in a UE-Dedicated Search Space (UE-DSS), the method comprising the steps of:

  • transmitting, by the Node B, PDCCHs in a UE-CSS; and

    transmitting, by the Node B, PDCCHs in a plurality of UE-DSSs,wherein the UE-CSS is common to the plurality of cells, andwherein the plurality of UE-DSSs correspond to the plurality of cells, respectively.

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