Patent ID: 7415272
Filing Date: 2008-08-19
Classification: G01S,H04B,H04W

Abstract:
1. A method for operating a mobile station comprising: tuning said mobile station to a first carrier frequency pursuant to a radio link protocol; monitoring data transactions on said first carrier frequency pursuant to said radio link protocol involving said mobile station; receiving at said mobile station, a request for information that is modulated on a second carrier frequency; measuring one or more time periods during said data monitoring; tuning said mobile station to said second carrier frequency after a variable time period following said receipt of said request, said variable time period being selected responsive to a function of at least one of said one or more measured time periods, wherein at least one of said one or more measured time periods is selected from a group consisting of: a first measured time period comprising a lapse of time between said request for information on said second carrier frequency and a previous request for information on said second carrier frequency, and a second measured time period comprising a period of time elapsed since receiving said request and a pre-determined maximum time the second carrier frequency can be rejected.