Patents Represented by Attorney Pang Zhu

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  • System and method for data packet transport in hybrid wireless communication system
    Patent number: 7230936
    Abstract: Computer data is transferred between a CDMA radio access network and a GSM core infrastructure using a switch that acts on the CDMA side as a packet data serving node (PDSN) element and on the GSM side as a serving GPRS service node (SGSN) element. Switching message sequences and protocol stacks are disclosed.
    Type: Grant
    Filed: February 14, 2002
    Date of Patent: June 12, 2007
    Assignee: QUALCOMM Incorporated
    Inventors: Nileshkumar J. Parekh, Nikhil Jain