公开(公告)号：US20180041927A1

公开(公告)日：2018-02-08

申请号：US15721728

申请日：2017-09-29

Applicant: Parallel Wireless, Inc.

Inventor： Kartik Shashikant Raval ,  Sourabh Nanoti ,  Prashanth Rao ,  Praveen Kumar ,  Anupam Goyal ,  Harish Kumar Lohar

IPC: H04W36/00 ,  H04W36/14 ,  H04W48/16 ,  H04W24/02 ,  H04W84/18 ,  H04W88/16 ,  H04W92/04 ,  H04W92/20 ,  H04W88/12

CPC classification number: H04W36/0061 ,  H04W24/02 ,  H04W36/0038 ,  H04W36/0055 ,  H04W36/0066 ,  H04W36/14 ,  H04W48/16 ,  H04W84/18 ,  H04W88/12 ,  H04W88/16 ,  H04W92/045 ,  H04W92/20

Abstract: Systems and methods for handovers with simplified network topology are disclosed. In a first embodiment, a method is disclosed, comprising: at a coordinating gateway during a handover of a mobile device from a first base station to a second base station, receiving a first handover request from the first base station; discarding a first shared security key received in the first handover request; sending a tunnel switching request to a core network node; obtaining precursors for a second shared security key from the core network node in a response to the switching request; sending a second handover request to the second base station with the precursors to calculate the second shared security key for securing a data connection for the mobile device following the handover; deriving the second shared security key from the obtained precursors at the first base station; and deriving the second shared security key from the obtained precursors at the coordinating gateway.

公开(公告)号：US11026136B2

公开(公告)日：2021-06-01

申请号：US15721728

申请日：2017-09-29

Applicant: Parallel Wireless, Inc.

Inventor： Kartik Shashikant Raval ,  Sourabh Nanoti ,  Prashanth Rao ,  Praveen Kumar ,  Anupam Goyal ,  Harish Kumar Lohar

IPC: H04W36/00 ,  H04W36/14 ,  H04W24/02 ,  H04W48/16 ,  H04W84/18 ,  H04W88/12 ,  H04W88/16 ,  H04W92/20 ,  H04W92/04

Abstract: Systems and methods for handovers with simplified network topology are disclosed. In a first embodiment, a method is disclosed, comprising: at a coordinating gateway during a handover of a mobile device from a first base station to a second base station, receiving a first handover request from the first base station; discarding a first shared security key received in the first handover request; sending a tunnel switching request to a core network node; obtaining precursors for a second shared security key from the core network node in a response to the switching request; sending a second handover request to the second base station with the precursors to calculate the second shared security key for securing a data connection for the mobile device following the handover; deriving the second shared security key from the obtained precursors at the first base station; and deriving the second shared security key from the obtained precursors at the coordinating gateway.