公开(公告)号：US12081974B2

公开(公告)日：2024-09-03

申请号：US17561078

申请日：2021-12-23

Applicant: Samsung Electronics Co., Ltd.

Inventor： Rajavelsamy Rajadurai ,  Varini Gupta ,  Nivedya Parambath Sasi ,  Rohini Rajendran

IPC: H04W12/0433 ,  H04W12/06 ,  H04W12/37

CPC classification number: H04W12/06 ,  H04W12/0433 ,  H04W12/37

Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). A method performed by a user equipment (UE) in a wireless network, the method comprising: establishing a communication with an application function (AF) server using a first authentication and key management for applications (AKMA) application key (KAF); receiving a message over the established communication from the AF server, the message indicating that a lifetime of the first KAF has expired; and configuring a back-off flag in the UE to optimize an AKMA key refresh mechanism in the wireless network in response to receiving the message, wherein the back-off flag prevents a request for a first AKMA anchor key (KAKMA) until a fresh primary authentication is performed.

公开(公告)号：US20240155340A1

公开(公告)日：2024-05-09

申请号：US18547149

申请日：2022-02-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Rajavelsamy Rajadurai ,  Vinay Kumar Shrivastava

IPC: H04W12/0431 ,  H04W4/06 ,  H04W12/033 ,  H04W12/041 ,  H04W12/75 ,  H04W12/76 ,  H04W76/40

CPC classification number: H04W12/0431 ,  H04W4/06 ,  H04W12/033 ,  H04W12/041 ,  H04W12/75 ,  H04W12/76 ,  H04W76/40

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Accordingly, the embodiments herein provide a method for handling key distribution for multicast and broadcast services (MBS) in a wireless network. The method includes sending, by an application function (AF) server (100), an MB session announcement message to the UE (300) in the wireless network, where the MB session announcement message includes the TMGI and the HL MC address. Further, the method includes generating, by the AF server (100), the sessionkey (KMBS) for the TMGI and the HL MC address, where the sessionkey (KMBS) is provided to the UE (300) and the plurality of network entities (200). Further, the method includes protecting, by the AF server (100), a MBS traffic associated with the UE (300) and the plurality of network entities (200) using the generated session key (KMBS).

公开(公告)号：US11882451B2

公开(公告)日：2024-01-23

申请号：US17911830

申请日：2021-04-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： Rajavelsamy Rajadurai ,  Kundan Tiwari ,  Varini Gupta ,  Anikethan Ramakrishna Vijaya Kumar

IPC: H04W12/033 ,  H04W12/106 ,  H04W12/069

CPC classification number: H04W12/106 ,  H04W12/033 ,  H04W12/069

Abstract: Disclosed herein are a communication technique for merging, with an IoT technology, a 5G communication system for supporting a data transmission rate higher than that of a 4G system; and a system therefor.
Embodiments herein disclose a method of protecting sensitive user plane traffic in an User Equipment (UE) (100), the method comprising: transmitting, to a network (200), by the UE (100) a first NAS message comprising an indicator indicating that the UE (200) supports of a secure channel for domain name system (DNS); receiving, from the network (200), by the UE (100) a second NAS message including DNS server security information in response to transmitting the first NAS message; and transmitting, to the network (200), by the UE (100) the DNS over the secure channel based on the DNS server security information.

公开(公告)号：US20230413059A1

公开(公告)日：2023-12-21

申请号：US18322857

申请日：2023-05-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Neha SHARMA ,  Anshuman Ngam ,  Rajavelsamy Rajadurai

IPC: H04W12/63 ,  H04W12/041 ,  H04W12/10

CPC classification number: H04W12/63 ,  H04W12/10 ,  H04W12/041

Abstract: The present disclosure relates to a 5G communication system or a 6G communication system for supporting higher data rates beyond a 4G communication system such as long term evolution (LTE).
The present disclosure provides a system and method for security protocol implemented in a communication network. The method performed by a first network entity includes determining based on a HUB being in a trusted area or in a non-trusted area, whether one or more network functions (NFs) are configured to perform security operations based on a generation of a message by a corresponding one or more NFs. Determining, based on a result of the determination that one or more NFs are not configured to perform the security operation, one or more network entities that are configured to perform the security operation, wherein the one or more network entities comprises at least one of the HUB, a Central Unit User Plane (CU-UP), and a Distributed Unit (DU), wherein a plurality of security keys are generated by the determined one or more network entities, and wherein the generated plurality of security keys is shared with a user equipment (UE).

公开(公告)号：US11503662B2

公开(公告)日：2022-11-15

申请号：US16900157

申请日：2020-06-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kundan Tiwari ,  Lalith Kumar ,  Narendranath Durga Tangudu ,  Rajavelsamy Rajadurai

IPC: H04W76/19 ,  H04W76/40 ,  H04W76/11 ,  H04W48/16 ,  H04W76/30 ,  H04W8/08 ,  H04W76/27

Abstract: Accordingly, embodiments herein disclose a method for handling a closed access group (CAG) related procedure in a wireless communication system. A network may receive a radio resource control (RRC) resume request message from a user equipment (UE). The network may determine whether the at least one CAG identifier (ID) broadcasted in a CAG cell is included in an allowed CAG list of the UE (100) in response to the RRC resume request message. The network may proceed with a RRC resume procedure in response to determining that the at least one CAG ID is included in the allowed CAG list.

公开(公告)号：US11316678B2

公开(公告)日：2022-04-26

申请号：US16481324

申请日：2018-01-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Rajavelsamy Rajadurai ,  Nishant Gupta

IPC: H04L9/08 ,  H04L29/06 ,  H04W12/037 ,  H04W12/041 ,  H04W12/106

Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). Embodiments herein provide method and system for end-to-end security over signaling plane in a mission critical data (MCData) communication system. The proposed method includes various ways of securing MCData data payload transmitted over signaling plane using short data service (SDS). The proposed method allows usage of multiple security keys to encrypt the MCData SDS message as per the requirements. Various Keys such as, signaling plane key or media plane key or a dedicated MCData data payload signaling key can be used independently or in a combination thereof to achieve the desired security context. The proposed method allows protection of all the application level components with the signaling plane security context.

公开(公告)号：US11219077B2

公开(公告)日：2022-01-04

申请号：US16611207

申请日：2018-05-04

Applicant: Samsung Electronics Co., Ltd

Inventor： Neha Sharma ,  Hyunjeong Kang ,  Pravjyot Singh Deogun ,  Rajavelsamy Rajadurai

IPC: H04W4/00 ,  H04W76/15 ,  H04W76/19 ,  H04W76/27 ,  H04W36/00 ,  H04W80/08 ,  H04W88/06

Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). The embodiments herein relate to wireless communication system and more particularly relates to a method for coordination of Radio Resource Control (RRC) configurations between interworking nodes in dual connectivity in wireless communication system. The method includes determining, by a secondary node, whether a signaling radio bearer (SRB) of a secondary node is pre-configured in a secondary cell group (SCG), deciding, by the secondary node, to perform secondary node modification to a user equipment (UE) in response to determining that the SRB of the secondary node is pre-configured, transmitting, by the secondary node, a RRC connection reconfiguration message to the UE without coordinating with a master node and receiving, by the secondary node, a RRC connection reconfiguration complete message from the UE.

公开(公告)号：US11197138B2

公开(公告)日：2021-12-07

申请号：US15929684

申请日：2020-05-15

Applicant: Samsung Electronics Co., Ltd.

Inventor： Anil Agiwal ,  Rajavelsamy Rajadurai

IPC: G06F13/00 ,  H04W4/70 ,  H04W76/14 ,  H04W4/06 ,  H04W80/02 ,  H04L12/54 ,  H04W88/02 ,  H04L12/70

Abstract: Embodiments herein disclose a method for identifying a unicast Device to Device (D2D) communication. Further, the method includes generating, by a source User Equipment (UE), a D2D Media Access Control (MAC) Protocol Data Unit (PDU) comprising a unicast parameter. Further, the method includes transmitting, by the source UE, the D2D MAC PDU to the destination UE. Further, the method includes receiving, by the destination UE, the D2D MAC PDU. Further, the method includes detecting, by the destination UE, one of unicast parameters and groupcast parameters of the D2D MAC PDU. Furthermore, the method includes identifying, by the UE, the D2D MAC PDU is for one of the unicast D2D communication when the unicast parameters are detected, and the groupcast D2D communication when the groupcast parameters are detected.

公开(公告)号：US11171837B2

公开(公告)日：2021-11-09

申请号：US16929629

申请日：2020-07-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Deepanshu Gautam ,  Rajavelsamy Rajadurai

IPC: H04L12/24 ,  H04W24/02 ,  H04W28/16

Abstract: The present disclosure relates to a communication method and system for converging a 5th-generation (5G) communication system for supporting higher data rates beyond a 4th-generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. Embodiments herein disclose a network management apparatus, method, and computer-readable storage medium for or management of shared NSI in a communication system.

公开(公告)号：US10715582B2

公开(公告)日：2020-07-14

申请号：US16334710

申请日：2017-09-19

Applicant: Samsung Electronics Co., Ltd

Inventor： Basavaraj Jayawant Pattan ,  Rajavelsamy Rajadurai ,  Nishant Gupta ,  Siva Prasad Gundur ,  Sapan Pramodkumar Shah ,  Vijay Sangameshwara ,  Suresh Chitturi

IPC: H04L29/08 ,  H04L29/06 ,  H04W28/06 ,  H04W4/02 ,  H04W40/22 ,  H04W4/06

Abstract: Embodiments herein achieve systems and methods for managing communication in a Mission Critical data (MCData) communication system. The proposed method and system provides file distribution and data streaming in the MCData communication system. The proposed method and system provides a functional model and mechanisms to support mission critical data services. The functional model to support file distribution and data streaming, and associated procedures including one-to-one, one-to-many, and group data communications. Further, the proposed method and system provides mechanisms for optimizing radio resource utilization and backhaul link utilization in the MCData communication system. The proposed method and system provides radio resource utilization of the PC5 interface for the MC service, when multiple group members are under a relay node. Further, the proposed method and system can be used to reduce number of unicast transmissions between the MCData server and the MCData UEs by local routing at the relay node.