公开(公告)号：US11924921B2

公开(公告)日：2024-03-05

申请号：US17205848

申请日：2021-03-18

Applicant: NEC CORPORATION

Inventor： Genadi Velev ,  Toshiyuki Tamura ,  Andreas Kunz

IPC: H04W56/00 ,  H04L5/00 ,  H04W8/08 ,  H04W48/18 ,  H04W76/00 ,  H04W76/11 ,  H04W76/12 ,  H04W76/27 ,  H04W76/38 ,  H04W80/10

CPC classification number: H04W80/10 ,  H04L5/0098 ,  H04W8/08 ,  H04W48/18 ,  H04W76/00 ,  H04W76/11 ,  H04W76/12 ,  H04W76/27 ,  H04W76/38

Abstract: This disclosure provides a User Equipment (UE), including: a transmitter configured to transmit at least one Protocol Data Unit (PDU) session identifier (ID), each of which indicates a PDU session that the UE needs to use in a Non Access Stratum (NAS) Service Request message to a Mobility Management Function (MMF) via an access network (AN) node when the UE has user data to send.

公开(公告)号：US11903083B2

公开(公告)日：2024-02-13

申请号：US17836203

申请日：2022-06-09

Applicant: NEC Corporation

Inventor： Genadi Velev ,  Andreas Kunz ,  Toshiyuki Tamura

IPC: H04W76/38 ,  H04W76/12 ,  H04L12/14 ,  H04M15/00 ,  H04W80/10 ,  H04L67/143

CPC classification number: H04W76/38 ,  H04L12/1407 ,  H04M15/66 ,  H04W76/12 ,  H04W80/10 ,  H04L67/143

Abstract: The method proposes to establish at least one session between the User Equipment and the Session Management Function node, and initiate session deactivation for a session indicated by the User Plane Function node, upon detection inactivity of User Plane connection for the session for a period by the User Plane Function node.

公开(公告)号：US11696113B2

公开(公告)日：2023-07-04

申请号：US17030742

申请日：2020-09-24

Applicant: NEC Corporation

Inventor： Iskren Ianev ,  Genadi Velev ,  Toshiyuki Tamura ,  Andreas Kunz

IPC: H04W8/06 ,  H04W48/18 ,  H04W76/30 ,  H04W76/14 ,  H04W76/27 ,  H04W28/02 ,  H04W60/00 ,  H04W4/70

CPC classification number: H04W8/065 ,  H04W28/0215 ,  H04W48/18 ,  H04W60/00 ,  H04W76/14 ,  H04W76/27 ,  H04W76/30 ,  H04W4/70

Abstract: The invention provides for a method of selecting a Dedicated Core Network (DCN) based on assisting indication by mobile terminals, and including the step of configuring the RAN Nodes of the mobile network with the DCN Types of the serving EPC Nodes so that the RAN Nodes can map the DCN selection assisting information from the connecting mobile terminals with the right dedicated EPC Node. This allows for the RAN Node to connect the mobile terminals with EPC Node of the mobile terminal's dedication at initial attach and then keep the mobile terminals on the same DCN. Thus, a re-routing of mobile terminals NAS message from one EPC Node to another EPC node is avoided. The invention also allows for a flexible and dynamic change of the EPC Nodes dedication based on operator's configuration and policy. Additionally, the invention allows for DCN access restriction control by broadcasting of the supported DCN Types by the RAN Node.

公开(公告)号：US11564121B2

公开(公告)日：2023-01-24

申请号：US16088899

申请日：2017-03-23

Applicant: NEC Corporation

Inventor： Iskren Ianev ,  Genadi Velev ,  Andreas Kunz ,  Toshiyuki Tamura

IPC: H04W28/02 ,  H04W48/06 ,  H04W24/08 ,  H04W28/06 ,  H04W4/70 ,  H04W76/18 ,  H04W88/14

Abstract: A core network node supporting Control Plane CIoT (Celluar Internet of Things) EPS (Evolved Packet System) Optimization includes a transmitter configured to transmit to a radio access network node an information indicating overload from data transfer via the Control Plane CIoT EPS Optimization. A radio access network node includes a receiver configured to receive, from a core network node, an information indicating overload from data transfer via Control Plane CIoT (Celluar Internet of Things) EPS (Evolved Packet System) Optimization.

公开(公告)号：US10531419B2

公开(公告)日：2020-01-07

申请号：US15755815

申请日：2016-11-09

Applicant: NEC CORPORATION

Inventor： Andreas Kunz ,  Genadi Velev ,  Filipe Leitao ,  Anand Raghawa Prasad ,  Naoaki Suzuki

IPC: H04W60/04 ,  H04W8/12 ,  H04L29/06 ,  H04W8/08 ,  H04W8/20 ,  H04W12/06 ,  H04W60/00

Abstract: This invention provides a network node for IP Multimedia Subsystem (IMS) Centralized Services (ICS), comprising: a memory storing instructions; and at least one processor configured to process the instructions to: receive an Update Location Request with an IMSI (International Mobility Subscriber Identity) and an MSRN (Mobile Station Routing Number) from a MSC (Mobile Switching Centre) Server, retrieve a subscription profile and service settings from a HSS (Home Subscriber Server), map the subscription profile with service settings into a CS (Circuit-Switched) profile with CS settings, and send an Insert Subscriber Data message including the mapped CS profile and CS settings, to the MSC Server.

公开(公告)号：US10306475B2

公开(公告)日：2019-05-28

申请号：US15808527

申请日：2017-11-09

Applicant: NEC Corporation

Inventor： Xiaowei Zhang ,  Anand Raghawa Prasad ,  Andreas Kunz ,  Genadi Velev ,  Toshiyuki Tamura

IPC: H04W4/00 ,  H04W12/12 ,  H04W12/04 ,  H04W12/10 ,  H04W8/12 ,  H04W4/70 ,  H04W76/14 ,  H04L29/06

Abstract: In order for making MTC more efficient and/or secure, a base station forming a communication system connects a UE to a core network. A node serves as an entering point to the core network for a service provider, and transmits traffic between the service provider and the UE. The node establishes, as a connection to the base station, a first connection for directly transceiving messages between the node and the base station. Alternatively, the node establishes a second connection for transparently transceiving the messages through a different node that is placed within the core network and has established a different secure connection to the base station.

公开(公告)号：US10299134B2

公开(公告)日：2019-05-21

申请号：US15808515

申请日：2017-11-09

Applicant: NEC Corporation

Inventor： Xiaowei Zhang ,  Anand Raghawa Prasad ,  Andreas Kunz ,  Genadi Velev ,  Toshiyuki Tamura

IPC: H04W4/00 ,  H04W12/12 ,  H04W4/70 ,  H04W8/12 ,  H04W12/10 ,  H04W76/14 ,  H04W12/04 ,  H04L29/06

Abstract: In order for making MTC more efficient and/or secure, a base station forming a communication system connects a UE to a core network. A node serves as an entering point to the core network for a service provider, and transmits traffic between the service provider and the UE. The node establishes, as a connection to the base station, a first connection for directly transceiving messages between the node and the base station. Alternatively, the node establishes a second connection for transparently transceiving the messages through a different node that is placed within the core network and has established a different secure connection to the base station.

公开(公告)号：US09848334B2

公开(公告)日：2017-12-19

申请号：US15032847

申请日：2014-10-21

Applicant: NEC Corporation

Inventor： Xiaowei Zhang ,  Anand Raghawa Prasad ,  Andreas Kunz ,  Genadi Velev ,  Toshiyuki Tamura

IPC: H04W4/00 ,  H04W12/12 ,  H04W12/04 ,  H04W12/10 ,  H04W8/12 ,  H04W76/02 ,  H04L29/06

CPC classification number: H04W12/12 ,  H04L63/1466 ,  H04W4/70 ,  H04W8/12 ,  H04W12/04 ,  H04W12/10 ,  H04W76/14

Abstract: In order for making MTC more efficient and/or secure, a base station (20) forming a communication system connects a UE (10) to a core network. A node (50) serves as an entering point to the core network for a service provider, and transmits traffic between the service provider and the UE (10). The node (50) establishes, as a connection to the base station (20), a first connection for directly transceiving messages between the node (50) and the base station (20). Alternatively, the node (50) establishes a second connection for transparently transceiving the messages through a different node (30) that is placed within the core network and has established a different secure connection to the base station (20).

公开(公告)号：US11419177B2

公开(公告)日：2022-08-16

申请号：US16324187

申请日：2017-10-11

Applicant: NEC Corporation

Inventor： Genadi Velev ,  Andreas Kunz ,  Toshiyuki Tamura

IPC: H04W76/10 ,  H04W4/00 ,  H04W76/38 ,  H04W76/12 ,  H04L12/14 ,  H04M15/00 ,  H04W80/10 ,  H04L67/143

Abstract: The method proposes to establish at least one session between the User Equipment and the Session Management Function node, and initiate session deactivation for a session indicated by the User Plane Function node, upon detection inactivity of User Plane connection for the session for a period by the User Plane Function node.

公开(公告)号：US11202278B2

公开(公告)日：2021-12-14

申请号：US15772900

申请日：2016-11-08

Applicant: NEC Corporation

Inventor： Genadi Velev ,  Iskren Ianev ,  Toshiyuki Tamura

IPC: H04W72/04 ,  H04W48/18 ,  H04W8/06 ,  H04W84/00 ,  H04W8/18

Abstract: The invention describes a method for detecting an inability to serve a UE in the selected serving node due to mismatch between the UE's DCN-related indication and the UE's DCN-related subscription and/or the UE's capabilities and/or due to serving node congestion. The method allows to update the UE's DCN configuration information, so that the UE can be assigned to an appropriate DCN during the next RRC/NAS request procedure.