×

System and method for edge of coverage detection in a wireless communication device

  • US 6,363,260 B1
  • Filed: 07/07/1999
  • Issued: 03/26/2002
  • Est. Priority Date: 07/07/1999
  • Status: Expired due to Term
First Claim
Patent Images

1. In a wireless telephone communication system having more than one service provider system, a method to enhance performance of a mobile phone, comprising:

  • when the mobile phone that is communicating with a first service provider system is in an idle mode, monitoring a first performance level and a second performance level;

    if the first performance level falls below a first threshold and the second performance level falls below a second threshold, starting a timer;

    if, while the timer is running, either the first or second performance levels exceed their respective thresholds, resetting the timer and continue monitoring the first and second performance levels; and

    if the timer exceeds a predetermined duration, switching the mobile telephone from the first service provider system to a second service provider system.

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