Patents by Inventor Varalakshmi Likki

Varalakshmi Likki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Establishing emergency sessions in packet data networks for wireless devices having invalid subscriber identities
    Patent number: 7787855
    Abstract: A method in a wireless communications network including receiving (310) a network connection request from a subscriber device having an invalid subscriber identity, connecting (340) the subscriber device, from which the network connection request was received, to the wireless communications network for limited purposes only upon determining (320) that the subscriber device has in invalid subscriber identity in the absence of a limited network connection indicator in the network connection request. In some embodiments, a limited attach message indicates that the attach request is for limited purposes.
    Type: Grant
    Filed: March 31, 2003
    Date of Patent: August 31, 2010
    Assignee: Motorola, Inc.
    Inventors: Yilin Zhao, Naveen Aerrabotu, Mark E. Pecen, Varalakshmi Likki
  • Emergency call-back for mobile terminals in a limited service mode
    Publication number: 20040203572
    Abstract: An apparatus (100) and method (200) for enabling a wireless portable communication device in a limited service mode to receive an incoming call is provided. As the wireless portable communication device in the limited service mode initially makes a call to an emergency service center such as police (214), the call identifies the wireless portable communication device by a user module identity (308) or by an equipment identity (314), enabling the emergency service center to initiate a return call to the wireless portable communication device (216).
    Type: Application
    Filed: December 31, 2002
    Publication date: October 14, 2004
    Inventors: Naveen Aerrabotu, Charles Binzel, Varalakshmi Likki
  • Establishing emergency sessions in packet data networks for wireless devices having invalid subscriber identities
    Publication number: 20040192251
    Abstract: A method in a wireless communications network including receiving (310) a network connection request from a subscriber device having an invalid subscriber identity, connecting (340) the subscriber device, from which the network connection request was received, to the wireless communications network for limited purposes only upon determining (320) that the subscriber device has in invalid subscriber identity in the absence of a limited network connection indicator in the network connection request. In some embodiments, a limited attach message indicates that the attach request is for limited purposes.
    Type: Application
    Filed: March 31, 2003
    Publication date: September 30, 2004
    Inventors: Yilin Zhao, Naveen Aerrabotu, Mark E. Pecen, Varalakshmi Likki