×

Method for providing multi-level access services in common access channel

  • US 8,331,933 B2
  • Filed: 05/10/2004
  • Issued: 12/11/2012
  • Est. Priority Date: 05/09/2003
  • Status: Active Grant
First Claim
Patent Images

1. A method for performing handover by a subscriber station in a mobile communication system, the method comprising the steps of:

  • receiving, from a base station, a plurality of backoff domains including backoff start information and backoff end information for each of rangings;

    transmitting a ranging request message to the base station;

    selecting one of the plurality of backoff domains according to whether a ranging response message is received from the base station in a predetermined time; and

    determining a backoff value for handover based on the backoff start information and the backoff end information including the selected backoff domain,wherein the selected backoff domain is selected based on a ranging priority level that is determined according to a service quality level of data provided to the subscriber station and whether handover of the subscriber station is performed.

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