Samsung Electronics Co., Ltd.

Intel Corporation

Suresh Chitturi

Basavaraj Jayawant Pattan

Nishant Gupta

Rajavelsamy Rajadurai

Sapan Pramodkumar Shah

Siva Prasad Gundur

Vijay Sangameshwara

Bhargav Madishetty

Song-Yean Cho

Ho-Yeon Lee

Ashok Kumar Selvaraj

Karthik Srinivasa Gopalan

Duckey Lee

Lalith Kumar

Narendranath Durga Tangudu

Gyubong Oh

Kyung Tak Lee

Erik Arthur Guttman

Kyungtak Lee

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. In an embodiment, a method performed by a CCF, for discovering an API serving a UE is disclosed. The method includes receiving a service API discover request message from an API invoker for determining one or more service APIs serving one or more UE. service API discover request message comprises one or more UE IDs and a plurality of parameters associated with one or more UE. The method includes retrieving a first service API information associated with one or more UE IDs and the plurality of parameters from a memory, transmitting, to API invoker a service API discover response comprising first service API information based on service API discover request message.

Method and system for discovering a target application program interface

Embodiments herein disclose formats for MCData messages and notifications, and methods for coding (encoding and decoding) MCData messages and notifications in a MCData communication system. The method includes generating, by a first UE, an encoded MCData message or notification comprising of signaling payload and data payload content related to one or more MCData user payloads. Further the method includes deriving, by a second UE, the actual MCData messages or notifications by decoding the received encoded MCData messages or notifications. The formats for MCData messages and MCData notifications optimize control headers and allow maximum user data size that can be carried in a single message over signalling, which aids in sending multiple user payloads in a single message.

Method and apparatus for transmitting a mission critical data message in a communication system

A service enabler architecture layer (SEAL) system for a wireless communication network and a method therefor are provided. The SEAL system includes: a SEAL function entity including SEAL service servers corresponding to functionalities associated with service applications, where the SEAL function entity is an intermediate layer between a 3GPP network core and a service application system, and interfaces provided by the SEAL service servers. The SEAL system also provisions inter-services communication in a SEAL system of wireless communication network by receiving a request from a service application system for accessing at least one functionality of a plurality of functionalities, determines at least one functionality of the plurality of functionalities requested by the service application system based on the request, and provides at least one functionality to the service application system based on the inter-services communication in the SEAL system.

Seal system and method for provisioning inter-services communication in seal system of wireless communication network

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 disclose a method for providing dynamic information to an edge enabler client () running in a UE (). The method includes receiving, by an edge enabler server (), a subscription request for a dynamic information subscription from the edge enabler client (). Further, the method includes creating, by the edge enabler server (), the dynamic information subscription to provide the dynamic information to the edge enabler client () based on the dynamic information provided in the subscription request. Further, the method includes sending, by the edge enabler server (), a subscription response to the edge enabler client running in the UE () in response to creating the dynamic information subscription.

Method and edge enabler server for providing dynamic information to edge enabler client running in UE

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 system for establishing a first-to-answer call in a Mission Critical Push to Talk (MCPTT) communication. The system includes a MCPTT originating client configured to initiate a first-to-answer call and transmit a first-to-answer call request to a MCPTT server. The system includes the MCPTT server configured to receive the first-to-answer call request from the MCPTT client.

System and method for establishing first-to-answer call in mission critical push to talk communication

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 achieve a method and system for providing a network-based northbound application programming interface. The method includes receiving, by an API provider, a request for invoking one or more service APIs from one or more API invoker clients. The method includes utilizing, by the API provider, a CAPIF core function residing at a first domain to provide the one or more service APIs. The method includes providing, by the API provider, the one or more service APIs to the one or more API invoker clients through the CAPIF core function, wherein the API provider comprises one or more service APIs, an API exposing function, an API publishing function and an API management function.

Method and apparatus for providing network-based northbound application programming interface in a wireless communication system

Disclosures herein provide methods and servers for releasing mission critical data (MCData) communication in a wireless communication system. The release of MCData communication is initiated by MCData UE by using the hyper text transfer protocol (HTTP) or the release of MCData communication is initiated by a MCData server with or without prior notification to the MCData UE.

Method of and apparatus for releasing mission critical data communication

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.

Method for managing communication in mission critical data (MCData) communication system

A method and a system for transmission control in a network supporting mission critical (MC) services are provided. The method includes associating a predefined priority to a data transmission request from a communication device, availing MC services, based on type of the data transmission request. The type of the data transmission request is classified in at least one arbitration category. Further, the method includes managing flow of data associated with the data transmission request in the network based on the associated predefined priority.

Methods and systems for transmission control in network supporting mission critical services

The present disclosure provides a method and system for managing mission critical push-to-talk (MCPTT) communication. The method includes receiving, by a floor control server, a first floor request message, from a primary floor participant, while a floor is given to a secondary floor participant and a first media transmission is performed by the secondary floor participant; in response to receiving the first floor request message, transmitting, by the floor control server, to the secondary floor participant, a first floor revoke message for stopping the first media transmission of the secondary floor participant, and transmitting, by the floor control server, a first floor grant message to the primary floor participant; and transmitting, by the floor control server, a first floor taken message to the secondary floor participant, wherein the first floor taken message includes information of the primary floor participant given the floor.

System and method for managing audio cut-in policy in MCPTT communication

A method and an apparatus are provided for transmitting a mission critical data (MCData) notification message by a first user equipment (UE) in a communication system by generating an MCData notification message to share disposition information and transmitting the MCData notification message to a second UE. The MCData notification message includes at least one of a notification message identity information element to identify a type of the MCData notification message, a date and time information element to indicate a time when the MCData notification message was sent, a conversation identifier (ID) information element to identify a conversation, and a message ID information element to identify the MCData message within the conversation.

Embodiments herein provide a systems and methods for managing short data service (SDS) in on-network and off-network mission critical data (MC Data) communication system. The various embodiments provide one-to-one SDS and a group SDS in the on-network MC Data communication system for a unidirectional communication. The various embodiments provide one-to-one SDS and a group SDS in the on-network MC Data communication system for a bidirectional communication. Further, the various embodiments provide a one-to-one SDS and a group SDS in an off-network MC Data communication system for a unidirectional communication.

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Bengaluru, India

Suresh Chitturi