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11.发明申请公开(公告)号：US20190274072A1
公开(公告)日：2019-09-05
申请号：US16344980
申请日：2017-10-26
Applicant: NEC Corporation
Inventor： Anand Raghawa PRASAD , Sivakamy LAKSHMINARAYANAN , Sivabalan ARUMUGAM , Sheeba Backia Mary BASKARAN , Hironori ITO , Andreas KUNZ
Abstract: To provide a communication system capable of conducting necessary security procedures when handover is made in NextGen System, a communication system according to the present invention includes a base station (10) configured to form a communication area where a communication terminal (20) is located, and a base station (12) configured to form a communication area to which the communication terminal (20) makes handover, wherein the base station (10) receives a first message containing UE Security Capabilities and related to the handover from the communication terminal (20), and the base station (12) receives a second message containing the UE Security Capabilities, performs handover check of the communication terminal (20) based on the UE Security Capabilities, and sends a third message corresponding to the second message based on a result of the handover check.
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公开(公告)号：US20190254097A1
公开(公告)日：2019-08-15
申请号：US16345458
申请日：2017-10-26
Applicant: NEC Corporation
Inventor： Anand Raghawa PRASAD , Hironori ITO , Sivakamy LAKSHMINARAYANAN , Sivabalan ARUMUGAM , Sheeba Backia Mary BASKARAN , Andreas KUNZ
CPC classification number: H04W76/15 , H04W8/22 , H04W8/24 , H04W12/04 , H04W12/08 , H04W16/32 , H04W36/14 , H04W72/04 , H04W84/042 , H04W88/06 , H04W92/20
Abstract: To provide a communication system capable of providing a high level of security when implementing dual connectivity using different communication technologies, a communication system according to the present invention is a communication system including a base station (20) that communicates with a communication terminal (30) by using a second communication, the communication terminal (30) having information about terminal capability to access the base station (20), and a base station (10) that communicates with the communication terminal (30) by using a first communication technology and includes a receiving unit configured to receive the information about the terminal capability and information about access right to the base station (20) granted to the communication terminal (30), and a sending unit configured to send, to the base station (20), a message requesting connection to the communication terminal (30) based on the information about the terminal capability and the information about the access right.
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公开(公告)号：US20250016712A1
公开(公告)日：2025-01-09
申请号：US18891024
申请日：2024-09-20
Applicant: NEC Corporation
Inventor： Kundan TIWARI , Toshiyuki TAMURA , Sheeba Backia Mary BASKARAN
Abstract: The present disclosure is related to sending of a one time identifier of a UE during the NAS procedure. Specifically, the present disclosure relates to determining whether to use same one time identifier or different one time identifier during registration retry procedure.
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公开(公告)号：US20220338153A1
公开(公告)日：2022-10-20
申请号：US17858259
申请日：2022-07-06
Applicant: NEC Corporation
Inventor： Kundan TIWARI , Toshiyuki TAMURA , Sheeba Backia Mary BASKARAN
Abstract: The present disclosure is related to sending of a one time identifier of a UE during the NAS procedure. Specifically, the present disclosure relates to determining whether to use same one time identifier or different one time identifier during registration retry procedure.
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15.发明申请公开(公告)号：US20220174480A1
公开(公告)日：2022-06-02
申请号：US17672274
申请日：2022-02-15
Applicant: NEC Corporation
Inventor： Sheeba Backia Mary BASKARAN , Sivakamy LAKS HMI NARAYANAN , Anand Raghawa PRASAD , Sivabalan ARUMUGAM , Hironori ITO , Takahito YOSHIZAWA
Abstract: A communication terminal (10) includes control means for generating a subscription concealed identifier (SUCI) including a subscription permanent identifier (SUPI) concealed using a predetermined protection scheme, and a protection scheme identifier identifying the protection scheme, and transmission means for sending the SUCI to a first network apparatus during a registration procedure, the SUCI being sent for a second network apparatus to de-conceal the SUPI from the SUCI based on the protection scheme used to generate the SUCI.
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Patent Agency Ranking
公开(公告)号：US20220104009A1
公开(公告)日：2022-03-31
申请号：US17422035
申请日：2020-01-10
Applicant: NEC Corporation
Inventor： Sheeba Backia Mary BASKARAN , Sander DE KIEVIT , Sivabaian ARUMUGAM , Anand Raghawa PRASAD
Abstract: The present disclosure provides a User Equipment (UE) comprising a transceiver circuit; and a controller configured to control the transceiver circuit to send, to an Access and mobility Management Function (AMF) of a communication node, an identifier, wherein upon successful authentication of a network access function of the UE in the communication node, the controller is configured to maintain a secure connection with the communication node.
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公开(公告)号：US20210051621A1
公开(公告)日：2021-02-18
申请号：US17085588
申请日：2020-10-30
Applicant: NEC Corporation
Inventor： Kundan TIWARI , Toshiyuki TAMURA , Sheeba Backia Mary BASKARAN
Abstract: The present disclosure is related to sending of a one time identifier of a UE during the NAS procedure. Specifically, the present disclosure relates to determining whether to use same one time identifier or different one time identifier during registration retry procedure.
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18.发明申请公开(公告)号：US20210014688A1
公开(公告)日：2021-01-14
申请号：US16494600
申请日：2018-03-16
Applicant: NEC Corporation
Inventor： Hironori ITO , Anand Raghawa PRASAD , Andreas KUNZ , Sivabalan ARUMUGAM , Sivakamy LAKSHMINARAYANAN , Sheeba Backia Mary BASKARAN
Abstract: A communication terminal (10) according to the present disclosure includes: a control unit (12) configured to, in a case of a movement from a communication area formed by the 5GS to a communication area formed by the EPS or a movement from a communication area formed by the EPS to a communication area formed by the 5GS, determine whether or not a communication system forming a communication area at a movement destination can satisfy requirements of services; and a communication unit (11) configured to, when it is determined that the communication system forming the communication area at the movement destination can satisfy the requirements of the services, send a connection request message to the communication system forming the communication area at the movement destination.
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公开(公告)号：US20240259803A1
公开(公告)日：2024-08-01
申请号：US18631247
申请日：2024-04-10
Applicant: NEC Corporation
Inventor： Sander DE KIEVIT , Anand Raghawa PRASAD , Sheeba Backia Mary BASKARAN
Abstract: An apparatus is provided. The apparatus includes a memory storing one or more instructions and a processor. The processor execute the one or more instructions to: receive update information from an external apparatus, the update information corresponding to a network communication; obtain a Subscription Concealed Identifier (SUCI) based on the update information; and transmit the SUCI to the external apparatus.
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20.发明申请公开(公告)号：US20230076879A1
公开(公告)日：2023-03-09
申请号：US17985256
申请日：2022-11-11
Applicant: NEC CORPORATION
Inventor： Sheeba Backia Mary BASKARAN , Sivakamy LAKSHMINARAYANAN , Anand Raghawa PRASAD , Sivabalan ARUMUGAM , Hironori ITO , Takahito YOSHIZAWA
Abstract: A communication terminal (10) includes control means for generating a subscription concealed identifier (SUCI) including a subscription permanent identifier (SUPI) concealed using a predetermined protection scheme, and a protection scheme identifier identifying the protection scheme, and transmission means for sending the SUCI to a first network apparatus during a registration procedure, the SUCI being sent for a second network apparatus to de-conceal the SUPI from the SUCI based on the protection scheme used to generate the SUCI.
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