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Dispatch call origination and set up in a CDMA mobile communication system

  • US 7,099,291 B2
  • Filed: 06/22/2001
  • Issued: 08/29/2006
  • Est. Priority Date: 06/22/2001
  • Status: Expired due to Fees
First Claim
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1. A method of setting up a dispatch call to a target mobile communication device over a code division multiple access (CDMA) air interface, comprising:

  • receiving a page notification from a fixed equipment network at the target mobile communication device, the page notification including a dispatch notification;

    transmitting a page response from the target mobile communication device to the fixed equipment network, the page response including a pilot power measurement; and

    if the pilot power measurement indicates a power level above a preselected threshold, transmitting a talk permission message to an originating CDMA mobile communication device from the fixed equipment network;

    wherein the talk permission message is transmitted to the originating CDMA mobile communication device before a traffic channel between the originating CDMA mobile communication device and the fixed equipment network is set up.

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