公开(公告)号：US20240334286A1

公开(公告)日：2024-10-03

申请号：US18193104

申请日：2023-03-30

Applicant: Cisco Technology, Inc.

Inventor： Jis Abraham

IPC: H04W36/18 ,  H04W36/00 ,  H04W36/14

CPC classification number: H04W36/18 ,  H04W36/0033 ,  H04W36/14 ,  H04W84/042

Abstract: A method comprises: at source network functions of a source public land mobile network (PLMN) (source PLMN): executing an attach procedure by which user equipment attaches to the source PLMN and establishes a data session with a data network; upon detecting a roam of the user equipment from the source PLMN to a target PLMN, accessing an inter-PLMN handover indicator that indicates whether a seamless inter-PLMN handover is allowed or is not allowed for the data network; and selectively performing the seamless inter-PLMN handover of the data session from the source PLMN to the target PLMN as directed by the inter-PLMN handover indicator.

公开(公告)号：US11843978B2

公开(公告)日：2023-12-12

申请号：US17377716

申请日：2021-07-16

Applicant: Cisco Technology, Inc.

Inventor： Raghunadha Reddy Pocha ,  Mantha Ravi Shankar ,  Jis Abraham ,  Sandeep Dasgupta ,  Mukesh Yadav

IPC: H04W36/00 ,  H04W36/22 ,  H04W36/32

CPC classification number: H04W36/0022 ,  H04W36/0061 ,  H04W36/22 ,  H04W36/32

Abstract: The present technology is generally directed to optimizing a non-3GPP untrusted Wi-Fi to 5G system handover followed by Evolved Packet System (EPS) fallback, more specifically, to delaying removal of the Wi-Fi session resources and creating a voice flow as part of the EPS fallback. The present technology can receive a request for an EPS fallback from a mobile device for a handover to a 5G network while the mobile device is in communication over non-3GPP access network, maintain one or more resources of the non-3GPP access network during data path switching from the non-3GPP access network to the 5G network, generate a list of EPS bearer identifiers to transmit to an access and mobility management function (AMF), wherein the list of EPS bearer identifiers is associated with a voice flow to transfer the one or more resources of the non-3GPP access network as part of the handover from the non-3GPP access network to the 5G network, and transmit the list of EPS bearer identifiers to a mobility management entity (MME).

公开(公告)号：US20230014639A1

公开(公告)日：2023-01-19

申请号：US17377716

申请日：2021-07-16

Applicant: Cisco Technology, Inc.

Inventor： Raghunadha Reddy Pocha ,  Mantha Ravi Shankar ,  Jis Abraham ,  Sandeep Dasgupta ,  Mukesh Yadav

IPC: H04W36/00 ,  H04W36/32 ,  H04W36/22

Abstract: The present technology is generally directed to optimizing a non-3GPP untrusted Wi-Fi to 5G system handover followed by Evolved Packet System (EPS) fallback, more specifically, to delaying removal of the Wi-Fi session resources and creating a voice flow as part of the EPS fallback. The present technology can receive a request for an EPS fallback from a mobile device for a handover to a 5G network while the mobile device is in communication over non-3GPP access network, maintain one or more resources of the non-3GPP access network during data path switching from the non-3GPP access network to the 5G network, generate a list of EPS bearer identifiers to transmit to an access and mobility management function (AMF), wherein the list of EPS bearer identifiers is associated with a voice flow to transfer the one or more resources of the non-3GPP access network as part of the handover from the non-3GPP access network to the 5G network, and transmit the list of EPS bearer identifiers to a mobility management entity (MME).