公开(公告)号：US20230122389A1

公开(公告)日：2023-04-20

申请号：US17916404

申请日：2021-04-02

Applicant: Samsung Electronics Co., Ltd.

Inventor： Varini GUPTA ,  Rajavelsamy RAJADURAI ,  Lalith KUMAR ,  Kundan TIWARI ,  Anikethan Ramakrishna Vijaya KUMAR

IPC: H04W12/06 ,  H04W60/06 ,  H04W8/20

Abstract: Embodiments of present disclosure relates to an apparatus and method for managing security context related to a UE. Initially, registration of a UE with a new AMF in a communication network is identified. Further, generation of new security context by new AUSF selected by the new AMF for authentication of the UE is detected. Further, presence of one or more old security contexts elated to the UE and generated by one or more old AUSFs selected by one or more old AMFs for one or more previous authentications of the UE, is detected. Upon the detection, de-registration of the UE with the one or more old AUSFs is initiated for managing security context related to the UE in the communication network. Thus, stale and inactive security context related to the UE may be deleted in the network and security of communication with the UE is enhanced.

公开(公告)号：US20230099435A1

公开(公告)日：2023-03-30

申请号：US17956147

申请日：2022-09-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Koustav ROY ,  Arijit SEN ,  Danish Ehsan HASHMI ,  Lalith KUMAR

IPC: H04W48/06

Abstract: The disclosure relates to a fifth generation (5G) or sixth generation (6G) communication system. A method for Network slice admission control for interworking with an Evolved Packet Core Network (EPC) in a wireless network by a Session Management Function-Packet Data Network Gateway (SMF-PGW-C) is provided. The method includes detecting that at least one UE transfers a Packet Data Network (PDN) connection or a Protocol Data Unit (PDU) session from a N1 mode to a S1 mode during an intersystem change. Further, the method includes determining that an EPC counting is not required for a network slice of the wireless network. Further, the method includes transmitting a message to a Network Slice Admission Control Function (NSACF) in the wireless network to update or reduce a number of User Equipments (UEs) per network slice and a number of PDU sessions per network slice.

公开(公告)号：US20230048805A1

公开(公告)日：2023-02-16

申请号：US17758623

申请日：2021-01-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Anikethan Ramakrishna Vijaya KUMAR ,  Kundan TIWARI ,  Lalith KUMAR

IPC: H04W60/04 ,  H04W48/18

Abstract: A method disclosed herein includes registering, by a UE, with a same PLMN over a 3GPP access and a non-3GPP access. The method includes receiving, by the UE, a notification message from a CN of the PLMN over the non-3GPP access, in response to at least one communication service pending to be delivered to the UE over the 3GPP access. The method includes sending, by the UE, a notification response message to the CN over the non-3GPP access, in response to the received notification message. In order to avoid delay in acquiring downlink communication services, the method includes triggering, by the UE, the registration procedure with the CN to receive communication services over the 3GPP access in response to the UE entering the coverage of the 3GPP access.

公开(公告)号：US20230031697A1

公开(公告)日：2023-02-02

申请号：US17815502

申请日：2022-07-27

Applicant: Samsung Electronics Co., Ltd.

Inventor： Lalith KUMAR ,  Koustav ROY ,  Arijit SEN ,  Danish Ehsan HASHMI ,  Mahmoud WATFA

IPC: H04W48/02 ,  H04W60/00

Abstract: A method and system in the User Equipment (UE) for maintaining rejected network slice selection assistance information (NSSAI) for Single Network Slice Selection Assistance Information (S-NSSAI) not available due to maximum number of UEs reached per access type. The method comprises receiving a Non-Access Stratum (NAS) message including at least one of a registration accept, registration reject or CONFIGURATION UPDATE COMMAND message along with at least one of rejected Single Network Slice Selection Assistance Information (S-NSSAI(s)) information and a cause for the S-NSSAI not available due to maximum number of UEs reached from a network. Thereafter, the method includes determining by the UE an access type on which the rejected S-NSSAI(s) is applicable based on the received S-NSSAI(s) information and then maintaining a storage of the rejected NSSAI for the S-NSSAI not available due to the maximum number of the UEs reached per access type based on the determination.

公开(公告)号：US20220386107A1

公开(公告)日：2022-12-01

申请号：US17755709

申请日：2020-11-06

Applicant: Samsung Electronics Co., Ltd.

Inventor： Varini GUPTA ,  Anikethan Ramakrishna Vijaya KUMAR ,  Lalith KUMAR ,  Narendranath Durga TANGUDU ,  Fasil Abdul LATHEEF ,  Himke VAN DER VELDE ,  Kundan TIWARI

IPC: H04W8/24

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.
Methods and systems for handling encoding of radio capability information of UE using RACS. A method disclosed herein includes encoding radio capability information of a user equipment (UE) in formats of multiple radio access technologies (RATs) that have been supported by a public land mobile network (PLMN) in which the UE is registered. The method further includes assigning a radio capability identifier (RAC-ID) to the UE for signalling the radio capability information encoded in the multiple formats across the multiple RATs. The method further includes encoding the radio capability information in a specific format of the indicated RAT and assigning the RAC-ID to the UE for signalling the radio capability information and the associated encoding format.

公开(公告)号：US20220330120A1

公开(公告)日：2022-10-13

申请号：US17763046

申请日：2020-09-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kundan TIWARI ,  Lalith KUMAR ,  Anikethan Ramakrishna Vijaya KUMAR

IPC: H04W36/14

Abstract: This disclosure provides a method for providing user equipment (UE) radio access capabilities in a handover procedure. The method includes identifying, by a source next-generation radio access network (NG-RAN), that a target public land mobile network (PLMN) does not support a UE radio access capabilities identifier (RAC ID) assigned by a source PLMN in an inter-PLMN handover procedure. Further, the method includes providing, by the source NG-RAN, to a target NG-RAN, the UE radio access capabilities instead of the UE RAC ID in response to identifying that the target PLMN does not support the UE RAC ID assigned by the source PLMN.

公开(公告)号：US20220295440A1

公开(公告)日：2022-09-15

申请号：US17635239

申请日：2020-08-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Lalith KUMAR ,  Kundan TIWARI ,  Debabrata DAS ,  Anikethan Ramakrishna Vijaya KUMAR

IPC: H04W60/06 ,  H04W60/02

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 method for downlink uplink collision handling in a wireless communication network.

公开(公告)号：US20220264695A1

公开(公告)日：2022-08-18

申请号：US17651377

申请日：2022-02-16

Applicant: Samsung Electronics Co., Ltd.

Inventor： Mahmoud WATFA ,  Lalith KUMAR

IPC: H04W76/28 ,  H04W76/38 ,  H04W76/19

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Disclosed is a method of controlling timer T3440 or T3540 in a User Equipment, UE, the timer being operable to guard a time during which the UE maintains a certain type of connection to a telecommunication network, wherein the timer has a default first time period in the absence of a first condition and a second condition being met, wherein if both the first condition and the second condition are met, then the first default time period is extended to a second time period.

公开(公告)号：US20220210756A1

公开(公告)日：2022-06-30

申请号：US17594824

申请日：2020-04-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Lalith KUMAR ,  Kailash Kumar JHA ,  Alok Kumar JANGID ,  Swapnil Santosh NIVENDKAR

IPC: H04W60/00 ,  H04W8/18 ,  H04W76/12

Abstract: A method of communication in a multi-Subscriber Identity Module (SIM) enabled User Equipment (UE) is disclosed. The method includes registering the UE with a network of a first SIM, establishing a secure communication tunnel between the UE and the network of the first SIM, and establishing a connection between the UE and a network of a second SIM through the secure communication tunnel established between the UE and the network of the first SIM. The method includes registering the UE with the network of the second SIM, upon establishment of the connection between the UE and the network of the second SIM. The method includes initiating a request to indicate a downlink service pending at the network of the second SIM.

公开(公告)号：US20220210636A1

公开(公告)日：2022-06-30

申请号：US17563659

申请日：2021-12-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Varini GUPTA ,  Rajavelsamy RAJADURAI ,  Nivedya Parambath SASI ,  Lalith KUMAR ,  Narendranath Durga TANGUDU ,  Rohini RAJENDRAN

IPC: H04W12/0431 ,  H04W12/06 ,  H04W12/03 ,  H04W8/12 ,  H04W60/04

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 provide a method of enabling authentication and key management application (AKMA) services in roaming mode comprising generating a key associated with the AKMA services after a primary authentication of the UE with a wireless network; determining whether to share the at least one key associated with the AKMA services with a visited AKMA anchor function (vAAnF); and sharing the at least one key associated with the AKMA services with the vAAnF.