Patent ID: 7957740
Filing Date: 2011-06-07
Classification: H04W

Abstract:
1. A handoff method for reducing the number of session transfers in a mobile communication system, comprising the steps of: determining whether a target Access Network Transceiver (ANT) of a different vendor is included in an active set of the mobile communication system; if the target ANT of the different vendor is not included in the active set, establishing a connection session between a Packet Data Serving Node (PDSN) and an Access Terminal (AT) through a path connecting a source Access Network Controller (ANC) and a target ANC of the different vendor and a path connecting the target ANC of the different vendor and the target ANT of the different vendor; and if the target ANT is included in the active set, establishing the connection session between the PDSN and the AT through a path connecting the source ANC and the target ANT of the different vendor.