A method and apparatus for coordinating the time at which a mobile station performs searches for alternative systems to which a hard handoff will occur. The mobile station receives a command which instructs the mobile station as to when to tune to alternative frequencies in order to search for indicates...http://www.google.de/patents/US7664209?utm_source=gb-gplus-sharePatent US7664209 - Method and apparatus for coordinating transmission of short messages with hard handoff searches in a wireless communications system
