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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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12.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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公开(公告)号：US20210409941A1
公开(公告)日：2021-12-30
申请号：US17288203
申请日：2019-10-29
Applicant: NEC Corporation
Inventor： Rohini RAJENDRAN , Nivedya Parambath SASI , Pradheep Kumar SINGARAVELU , Sivabalan ARUMUGAM , Anand Raghawa PRASAD , Hironori ITO
Abstract: This disclosure is related to the security procedures for UE (300) in 5GLAN Group Communication. Security procedure involved in this disclosure is based on Authentication and authorization of UE (300) by Group Management Function (GMF) (500) in 5GLAN communication, attachment and detachment of UE (300) in 5GLAN Group due to state transition and the access restrictions imposed on UE (300) during state transition.
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14.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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15.发明申请公开(公告)号：US20190394715A1
公开(公告)日：2019-12-26
申请号：US16481275
申请日：2018-01-26
Applicant: NEC Corporation
Inventor： Anand Raghawa PRASAD , Sivakamy Raghawa LAKSHMINARAYANAN , Sivabalan ARUMUGAM , Hironori ITO , Andreas KUNZ
Abstract: An object is to provide a communication terminal capable of using a newly-generated network slice or service. A communication terminal (10) according to the present disclosure includes a communication unit (11) configured to receive a parameter related to SM-NSSAI (Session Management-Network Slice Selection Assistance Information) from a core network When subscriber information of the communication terminal itself managed in the core network or a location of the communication terminal itself is changed, and a control unit (12) configured to update NSSAI by using the parameter related to the SM-NSSAI, the NSSAI being managed to select a network slice.
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Patent Agency Ranking
公开(公告)号：US20190253264A1
公开(公告)日：2019-08-15
申请号：US16331581
申请日：2017-04-18
Applicant: NEC CORPORATION
Inventor： Pradheepkumar SINGARAVELU , Sivabalan ARUMUGAM , Anand PRASAD , Hironori ITO
CPC classification number: H04L9/3268 , G06F9/455 , H04L9/0827 , H04L9/0877 , H04L9/321 , H04L9/3263
Abstract: A network function virtualization system, comprises a request receiving unit that receives a request to a certificate of at least one of data exchanging parties; a private key generator that generates a first private key information using a second private key information stored in a hardware-based isolated secure execution environment, in response to the request; a public key extractor that extracts a public key information of the first private key information; a public key information storage unit that stores the public key information; and a verifying unit that is accessible from the request receiving unit and verifies the certificate using the public key information corresponding to the certificate.
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17.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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公开(公告)号：US20220095113A1
公开(公告)日：2022-03-24
申请号：US17540455
申请日：2021-12-02
Applicant: NEC Corporation
Inventor： Hironori ITO , Anand Raghawa PRASAD , Sivabalan ARUMUGAM , Takahito YOSHIZAWA , Sivakamy LAKSHMINARAYANAN , Sheeba Backia Mary BASKARAN
IPC: H04W12/106
Abstract: A method for integrity protection scheme by a mobile communication device or a core network entity according to a first exemplary aspect of the present disclosure includes configuring settings and parameters for integrity protection for user data with another party; receiving user plane data from the other party, calculating Message Authentication Code for Integrity (MAC-I) for a part of the data and checking integrity of the part of the data.
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公开(公告)号：US20210409939A1
公开(公告)日：2021-12-30
申请号：US17288968
申请日：2019-10-30
Applicant: NEC Corporation
Inventor： Sheeba Backia Mary BASKARAN , Sivabalan ARUMUGAM , Anand Raghawa PRASAD , Sander DE KIEVIT , Takahito YOSHIZAWA , Hironori ITO
IPC: H04W12/041 , H04W12/0431 , H04W12/06 , H04W60/04
Abstract: A method for providing a key derivation function (KDF) negotiation in a 5G network is provided. The method which includes: selecting a specific KDF at a UE and at the network for at least one security related key derivation; and transmitting, said selected KDF to the UE and to other network functions to indicate said selected KDF for generating specific security key at a receiver side.
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公开(公告)号：US20210144550A1
公开(公告)日：2021-05-13
申请号：US17044383
申请日：2019-04-03
Applicant: NEC CORPORATION
Inventor： Hironori ITO , Anand Raghawa PRASAD , Takahito YOSHIZAWA , Sheeba Backia Mary BASKARAN , Sivabalan ARUMUGAM , Sivakamy LAKSHMINARAYANAN
IPC: H04W12/06 , H04W12/069 , H04W84/18 , H04W28/02
Abstract: The present document proposes security procedures for 3GPP Common API Framework (CAPIF) to solve various security issues that can occur during various phases such as, (i) API invoker Onboarding, (ii) API invoker Offboarding, (iii) Service API publishing, (iv) Service API unpublishing, (v) Update service APIs, (vi) Service API discovery, (vii) API invoker obtaining authorization from CAPIF core function (CCF) to access service API, (viii) Authentication between API invoker and API exposing function (AEF) upon the service invocation, (ix) Retrieve service APIs, (x) CAPIF event subscription, (xi) CAPIF event unsubscription, and (xii) API invoker authorization to access service APIs.
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