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Channel assignment apparatus and method for a common packet channel in a WCDMA mobile communication system

  • US 6,859,445 B1
  • Filed: 07/07/2000
  • Issued: 02/22/2005
  • Est. Priority Date: 07/07/1999
  • Status: Expired due to Term
First Claim
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1. An uplink channel assignment method for user equipment (UE) in a CDMA (Code Division Multiple Access) communication system, comprising the steps of:

  • transmitting an access preamble signal having channel information, said channel information being used to access a base station;

    receiving an access preamble acquisition indicator signal from the base station in response to the access preamble signal;

    transmitting a collision detection preamble for the reconfirmation of the right of using an uplink channel in response to the received access preamble acquisition indicator signal;

    receiving a first signal indicating acquisition of the collision detection preamble and a second signal indicating channel assignment, in response to the collision detection preamble; and

    upon receipt of the first and second signal, transmitting uplink channel data through an uplink channel assigned by the second signal.

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