×

Communication device for providing an efficient dormant mode for a group communication network

  • US 6,912,401 B2
  • Filed: 02/12/2002
  • Issued: 06/28/2005
  • Est. Priority Date: 05/15/2001
  • Status: Expired due to Term
First Claim
Patent Images

1. In a communication device operating in a group communication network, a method for putting the communication device into a dormant mode, the method comprising:

  • determining whether the communication device has been inactive for a predetermined first time period;

    if it is determined that the communication device has been inactive for the predetermined first time period, causing the communication device to enter a control-hold mode, wherein the communication device maintains its dedicated traffic channel;

    determining whether the communication device has been in the control-hold mode for a predetermined second time period; and

    if it is determined that the communication device has been in the control-hold mode for the predetermined second time period, causing the communication device to enter a dormant mode, wherein the communication device releases its dedicated traffic channel.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×