Patents Represented by Attorney Sandip M. Minhas
  • Patent number: 8018905
    Abstract: In a wireless communication system, a method of authenticating a mobile station is claimed. A first CHAP challenge message is transmitted. A first CHAP response message is received in response to the first CHAP message. An IMSI message corresponding to the received CHAP message is transmited. A plurality of parameters is received in response to the transmitted IMSI message. at least one parameter is then transmitted. A second CHAP response message is received in response to the transmitted parameter. The second CHAP response message is then compared to one of said plurality of parameters.
    Type: Grant
    Filed: April 22, 2003
    Date of Patent: September 13, 2011
    Assignee: Qualcomm Incorporated
    Inventor: Nilesh Parekh