Supporting DL triggered HS-DPCHH in a cell in CELL — FACH

  • US 8,761,068 B2
  • Filed: 08/07/2012
  • Issued: 06/24/2014
  • Est. Priority Date: 08/15/2011
  • Status: Active Grant
First Claim
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1. A method of initiating a high speed uplink channel, comprising:

  • receiving, at a user equipment (UE), an order on a high speed shared control channel (HS-SCCH) from a Node B, wherein the order is configured to trigger the UE to start transmitting on a high speed dedicated physical control channel (HS-DPCCH) in CELL_FACH;

    performing a physical random access channel (PRACH) procedure in response to the receiving of the order;

    performing a collision resolution procedure in response to the receiving of the order; and

    transmitting, in response to the order, a current channel quality indicator (CQI) of the UE on the HS-DPCCH prior to achieving a collision resolution result from the collision resolution procedure.

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