公开(公告)号：US20230370840A1

公开(公告)日：2023-11-16

申请号：US18029514

申请日：2021-09-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： Rajavelsamy RAJADURAI ,  Varini GUPTA ,  Lalith KUMAR ,  Rohini RAJENDRAN ,  Nivedya Parambath SASI ,  Danish Ehsan HASHMI

IPC: H04W12/06 ,  H04W12/0433

CPC classification number: H04W12/06 ,  H04W12/0433

Abstract: Embodiments herein provide a method for handling synchronization of Home Network (HN) security key(s) in a wireless network. The proposed method includes receiving a Non-access stratum (NAS) authentication request message from a network entity (200A), where the UE (100A) holds a first Home network (HN) security key. Further, the method includes determining an authentication response message for the received NAS authentication request message and generating a second HN security key from a plurality of input parameters received in the NAS authentication request message and sending authentication response message to the network entity (200A). Further, the method includes storing the second HN security key in response to receiving a NAS security mode command message from the network entity (200A) or ignore the second HN security key in response to receiving a NAS reject message from the network entity (200A).

公开(公告)号：US20230337323A1

公开(公告)日：2023-10-19

申请号：US18042732

申请日：2022-03-02

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H04W76/34 ,  H04W60/04 ,  H04W48/04

CPC classification number: H04W76/34 ,  H04W48/04 ,  H04W60/04

Abstract: Present disclosure relates to a method and a UE for releasing PDU session. The UE identifies that the UE is in a restricted service area. Upon identifying that the UE is in the restricted service area, the UE releases PTI allocated by the UE and performs a local release of the PDU session. Further, the UE provides, to a network, information related to the PDU session, based on a subsequent trigger of a registration procedure.

公开(公告)号：US20230247479A1

公开(公告)日：2023-08-03

申请号：US18155360

申请日：2023-01-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Alok Kumar JANGID ,  Danish Ehsan HASHMI ,  Govind Irappa UTTUR ,  Kailash Kumar JHA ,  Lalith KUMAR ,  Sung-hoon KIM

IPC: H04W28/02 ,  H04W48/06 ,  H04W76/18

CPC classification number: H04W28/0289 ,  H04W48/06 ,  H04W76/18

Abstract: Embodiments herein provide a wireless communication system for managing a network slice congestion. The wireless communication system includes a User Equipment (UE), operably coupled to a core network. The UE is configured to transmit a first NAS signaling message to the core network, wherein the first NAS signaling message comprises a specific network slide identity. The core network i configured to detect the network slice congestion in the wireless communication system. Further, the core network is configured to indicate the network slice congestion using a second NAS signaling message to the User Equipment (UE), wherein the second NAS signaling message comprising a reject cause value and a back off timer for the requested network slice identity.

公开(公告)号：US20230091383A1

公开(公告)日：2023-03-23

申请号：US17947768

申请日：2022-09-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Rishav AGARWAL ,  Danish Ehsan HASHMI ,  Shanthossh NAGARAJAN ,  Pratibha Kattemane Satyaganapati

IPC: H04W36/00 ,  H04W36/26

Abstract: Embodiments herein disclose UE based implementations to manage voice/video over new radio (VoNR)/EPSFB calls. In an embodiment, there can be a zero CQI reporting for indicating a signal deterioration during the VoNR call. In an embodiment, at least one of a Wi-Fi network or a dual SIM dual standby (DSDS) feature, a UE initiated fallback procedure and an internet bearer can be used for continuing the VoNR call. Various embodiments may reduce the call failures and manage calls on VoNR/5G which can be useful to the UE in volatile signal conditions.

公开(公告)号：US20230081141A1

公开(公告)日：2023-03-16

申请号：US18049233

申请日：2022-10-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Alok Kumar JANGID ,  Kailash Kumar JHA ,  Govind Irappa UTTUR ,  Danish Ehsan HASHMI ,  Lalith KUMAR ,  Nitesh Pushpak SHAH ,  Young-kyo BAEK

IPC: H04W48/16 ,  H04W76/25 ,  H04W8/08 ,  H04W60/00 ,  H04W68/00 ,  H04W80/10

Abstract: Embodiments herein provide methods and systems for performing paging operation in 5G communication networks. The 5G core network can transmit a NAS message to a UE through a N3GPP access network, if the UE is reachable through the N3GPP access network. The NAS message can be sent by the 5G core network to the N3IWF. The N3IWF can send the NAS message to the UE, through the N3GPP access network. The UE can send a service request over 3GPP access, in response to the NAS message, to the 5G core network, through a 5G RAN. If the UE is not having access to the 5G RAN, then the UE can transmit a notification response message to the 5G core network, indicating the inability to transmit a service request. The transmission of NAS message through the N3IWF can lead to a significant saving of radio resources.

公开(公告)号：US20230016724A1

公开(公告)日：2023-01-19

申请号：US17812846

申请日：2022-07-15

Applicant: Samsung Electronics Co., Ltd.

Inventor： Ashok Kumar NAYAK ,  Jungshin PARK ,  Lalith KUMAR ,  Varini GUPTA ,  Danish Ehsan HASHMI

IPC: H04W48/18 ,  H04W60/04 ,  H04W48/06

Abstract: The present disclosure relates to the field of network slicing in wireless communication. In accordance with an aspect of the disclosure, a method performed by an access and mobility function (AMF) entity is provided. The method includes receiving, from a user equipment (UE), a registration request including a requested network slice selection assistance information (NSSAI); transmitting, to a Network Slice Admission Control Function (NSACF) entity, a request for determination of an availability of a number of UEs based on the registration request; and in case that a rejection for the request is received from the NSACF, transmitting, to the UE, information on a back-off timer.

公开(公告)号：US20220330143A1

公开(公告)日：2022-10-13

申请号：US17715414

申请日：2022-04-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Varini GUPTA ,  Ashok Kumar NAYAK ,  Danish Ehsan HASHMI ,  Hoyeon LEE ,  Lalith KUMAR

IPC: H04W48/18 ,  H04W60/04 ,  H04W60/06

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Methods and systems for handling network slice admission control for User Equipment (UE) are provided. The disclosure relates to network slicing and more particularly, to a system and method of ensuring that a communication system is able to accurately enforce quota on the maximum number of UEs concurrently registering for a network slice defined by a Single Network Slice Selection Assistance Information (S-NSSAI). The disclosure describes how the limits of “Number of Terminals” configured for an S-NSSAI may be accurately maintained in a Network Slice Admission Control Function (NSACF), and thus the enforcement may be performed when the limit is really exhausted. The disclosure also describes that a deregistration notification from a Unified Data Management (UDM) may act as a trigger for an old Mobility Management Function (AMF) to decrement counts in the NSACF as the old AMF is no longer serving the UE.

公开(公告)号：US20190098516A1

公开(公告)日：2019-03-28

申请号：US16199068

申请日：2018-11-23

Applicant: Samsung Electronics Co., Ltd.

Inventor： Danish Ehsan HASHMI ,  Lalith KUMAR ,  Kailash Kumar JHA ,  Jayashankara Dalagowdanahalli MALLESHAPPA ,  Suraj Kumar SINGH ,  Sunghoon KIM

IPC: H04W24/02 ,  H04W60/04

Abstract: A method in a mobile station (MS) and an MS in a wireless communication network are provided. The method includes detecting an intersystem change from an S1 mode to one of an A/Gb mode and an Iu mode, detecting that a routing area update (RAU) has failed detecting that a successful generic location updating procedure has not been performed since the detected intersystem change, and triggering an MM specific procedure based on detecting that the RAU has failed and the successful generic location updating procedure has not been performed. The MM specific procedure corresponds to a location area update (LAU).

公开(公告)号：US20250031167A1

公开(公告)日：2025-01-23

申请号：US18777402

申请日：2024-07-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Lalith KUMAR ,  Koustav ROY ,  Jagadeesh GANDIKOTA ,  Danish Ehsan HASHMI ,  Krishnamurthy D R ,  Ashok Kumar NAYAK

IPC: H04W60/00 ,  H04W24/02

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Embodiments disclosed herein relate to methods and systems for updating a partially allowed network slice selection assistance information (NSSAI) list, and managing a congestion timer/back-off timer for an alternative single-NSSAI (S-NSSAI) in wireless communication networks. The methods include removing network slice support information stored in a user equipment (UE), if a Non-Access Stratum (NAS) message from a network indicates to delete the network slice support information. The methods include applying a back-off timer to the S-NSSAI to be replaced (S-NSSAI-1)/alternative S-NSSAI (S-NSSAI-A)/combination of S-NSSAI-A+S-NSSAI-1, on receiving a Packet Data Unit (PDU) session establishment request, when the network is congested. The methods include applying a back-off timer to the S-NSSAI-A/S-NSSAI-1/combination of S-NSSAI-A+S-NSSAI-1, on receiving a congestion timer from the network function while requesting an alternative S-NSSAI

公开(公告)号：US20240389166A1

公开(公告)日：2024-11-21

申请号：US18658001

申请日：2024-05-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Shrinithi Andal TENSINGH ,  Chetan Ramesh GANIG ,  Prasad Basavaraj DANDRA ,  Sivasankar COMARAVELOU ,  Lalith KUMAR ,  Danish Ehsan HASHMI ,  Utsav SINHA

IPC: H04W76/10 ,  H04W76/27

Abstract: A method of a user equipment (UE) for establishing a session with one or more Stand-alone Non-Public Networks (SNPNs) includes first sending a service request to a SNPN network entity while the UE is in an idle mode, monitoring a response to the service request based on a first timer and a counter, initiating a second timer in response to determining that the counter exceeds a threshold count, receiving an indication of a change in a current SNPN, or an update associated with a selected entry of the current SNPN, stopping the second timer, and second sending the service request to the SNPN network entity for connection with a new SNPN, or the current SNPN with the update, the second sending being performed in response to determining that the second timer has stopped, and the second sending being performed while the UE remains in the idle mode.