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Communication of control information in wireless communication systems

  • US 7,492,788 B2
  • Filed: 06/26/2002
  • Issued: 02/17/2009
  • Est. Priority Date: 06/27/2001
  • Status: Active Grant
First Claim
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1. A method of communicating control information in a wireless communications system, comprising the steps of:

  • in a first state of a terminal for traffic communication with the terminal, communicating control information with the terminal at a first rate;

    in a second state of the terminal, communicating at least some of said control information at a second rate which is less than the first rate; and

    sharing a communication channel for the control information at the second rate for communicating control information among a plurality of terminals in the second state,wherein the control information is communicated in time slots of at least one communication channel of the system, wherein control information at the first rate is communicated with a terminal in the first state in each time slot on the communication channel, and wherein control information at the second rate is communicated with a terminal in the second state in only one of every N time slots on the communication channel, where N is an integer greater than one.

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