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Radio communication system

  • US 8,233,936 B2
  • Filed: 02/02/2007
  • Issued: 07/31/2012
  • Est. Priority Date: 10/28/1998
  • Status: Expired due to Fees
First Claim
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1. A portable device for communication with a base station, the portable device comprising:

  • a transmitter configured to transmit a first message to the base station; and

    a controller configured to adjust an output of the transmitter in response to reception of a control signal from the base station, to terminate transmission of a second message when the reception of the control signal is interrupted, and to retransmit the second message upon reception of the control signal, wherein the control signal includes a scrambling code which is different than that used for other downlink transmissions by the base station.

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