To access a first communication system, a terminal determines a transmission time for an access probe, an expected response time from the system, and a protected time interval based on the transmission time and/or expected response time. The terminal determines a starting time for sending the access...http://www.google.fr/patents/US7848305?utm_source=gb-gplus-shareBrevet US7848305 - Techniques for accessing a wireless communication system with tune-away capability
Techniques for accessing a wireless communication system with tune-away ...