An integrated communication system includes a CDMA network and other network such as a private cordless phone network which operates under a communication protocol different from that of the CDMA network. The CDMA network receives a GPS time signal from a GPS satellite and transmits a GPS-synchronization...http://www.google.com/patents/US6628628?utm_source=gb-gplus-sharePatent US6628628 - Wireless communication having operation time correcting function
