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). In an embodiment, a method for sharing a recording status inside a MCVideo group call is disclosed. The method includes receiving, by a plurality of UE participating in the MCVideo group call, a live video stream from a MCVideo server in the MCVideo group call; recording, by at least one UE amongst plurality of UEs, the live video stream, received from MCVideo server in MCVideo group call; appending, by at least one UE recording live video stream, recording status indicative of recording of live video stream, to a transmission control message and communicating transmission control message to MCVideo server.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Embodiments herein provide a method for handling functional alias in a conference event package in a wireless network by a server. The method includes detecting a group call associated with a group in the wireless network. Further, the method includes providing a SIP NOTIFY message comprising an ID of each member of a plurality of members of the group, and an IE indicating the functional alias bound by each member of the plurality of members with the group. Further, the method includes sending the SIP NOTIFY message to a client device corresponding to each member of the plurality of members of the group.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Disclosed is a method for binding or unbinding a functional alias with at least one mission critical services (MCX) group in an MCX network, including creating or updating, by an MCX server, an association of a functional alias with the at least one MCX group when the SIP message request is received to create binding of the functional alias with at least one MCX group, or disassociating by the MCX server an association of the functional alias with the at least one MCX group when the SIP message request is received to remove the binding of the functional alias with the at least one MCX group, and sending, by the MCX server, an SIP message response to MCX client device confirming whether the creation or removal of binding of the functional alias with the at least one MCX group is successful or unsuccessful.

Abstract: The disclosure relates to methods and system for handling immersive services with feature tags in an 3GPP IP multimedia subsystem (IMS) and 3GPP mission critical services (MCX). A user equipment uses the media tags, feature tags with unique IMS communication service identifier (ICSI) and IMS application reference identifier (IARI) to communicate with the IMS network for determining the immersive services in the communication. Accordingly, a method includes: performing, a registration with a network for handling immersive call services based on feature tags included in a session initiation protocol (SIP) REGISTER request; determining whether the network provides a provision for the handling of immersive call services based on an SIP REGISTER response; and sending an SIP INVITE request including feature tags to a second client device via the network based on determining that the network provides the provision of handling immersive media streams.

Abstract: Optimal network resource consumption by dynamically controlling media bursts in Simultaneous PoC (Push-To-X (Push-To-Voice/Video/etc.) Over Cellular) calls. Embodiments disclosed herein relate to wireless communication networks, and more particularly to PoC calls performed using wireless communication networks. Embodiments herein disclose methods and systems for optimal network resource consumption by dynamically controlling media bursts, when a user is participating in simultaneous PoC sessions. Embodiments herein disclose methods and systems for optimal network resource consumption by enabling a user to selectively enable/disable multiple PoC sessions using MBCP “Activate” and “Deactivate” messages.

Abstract: A method for sharing a reason cause for a mission critical communication (MCX) communication over pre-established session in an MCC network is provided. The method includes transmitting, to the server, a call initiation request to initiate a call, wherein the call initiation request includes first information on a session type and second information on a resource list, receiving, from the server, a mission critical pre-established session control (MCPC) connect message including a security message, determining whether an authentication for the security message is successful, and transmitting, to the server, a first MCPC acknowledgement message including a reason cause field to inform a reason for terminating the call in response to determining that the authentication for the security message is not successful.

Abstract: A method for managing a Mission Critical Video (MCVideo) group call is provided. The method includes transmitting by at least one sender user equipment (UE) in the MCVideo group call, a MCVideo message to an MCVideo Server, receiving, by at least one receiver UE in the MCVideo group call, the MCVideo message from the MCVideo server, wherein at least one of a plurality of functional alias identification (ID) is encoded and included in the MCVideo message, and decoding, by the at least one receiver UE in the MCVideo group call, the at least one of the plurality of functional alias ID from the MCVideo message.

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. Example embodiments initiate a Mission Critical data (MCData) communication using a pre-established session. A participating MCData server receives at least one pre-established session setup request from an originating MCData client device. The pre-established session setup request comprises the pre-established session indication advising the participating MCData server of initiation of at least one pre-established session.

Abstract: A method for sharing sensor information in a mission critical services (MCX) call is disclosed. The method includes: receiving, by a first user equipment (UE), a sensor message in the MCX call. The method includes obtaining, by the first UE, the sensor information associated with a second UE from the sensor message.

Abstract: Optimal network resource consumption by dynamically controlling media bursts in Simultaneous PoC (Push-To-X (Push-To-Voice/Video/etc.) Over Cellular) calls. Embodiments disclosed herein relate to wireless communication networks, and more particularly to PoC calls performed using wireless communication networks. Embodiments herein disclose methods and systems for optimal network resource consumption by dynamically controlling media bursts, when a user is participating in simultaneous PoC sessions. Embodiments herein disclose methods and systems for optimal network resource consumption by enabling a user to selectively enable/disable multiple PoC sessions using MBCP “Activate” and “Deactivate” messages.

Abstract: Embodiments herein disclose methods and systems for optimizing resources in an IP multimedia subsystem (IMS) network, wherein a method includes receiving capabilities of contacts present in the contact book in response to a request sent by an OPTIONS applications server (AS) to the contacts present in the contact book. Further, the method includes aggregating the capabilities of the contacts present in the contact book. Further, the method includes transmitting the aggregated capabilities of the contacts present in the contact book to the UE through a PNT server. Further, the embodiments include fetching updated capabilities of user equipment (UE) by the presence AS through the PNT server. Further, the embodiments include receiving a metadata in response to the received service request using push notifications through the PNT server. Further, the embodiments include registering the UE with the IMS network, if the IMS client is capable of in-call service.

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.

Abstract: Embodiments herein provide a method for notifying a state of a plurality of members of one or more Mission Critical Service (MCX) groups to an MCX UE in a MC communication system. The method includes identifying, by the MCX server, state of each member of one or more groups. The method includes categorizing, by the MCX server, plurality of members of one or more groups based on identified state of each member. Further, the method includes notifying, by MCX server, state of plurality of members of the one or more groups to the MCX UE based on the categorization. The MCX services include MCData, MCPTT (Voice) and MCVideo communication services. In some embodiments, the state of the members of the MCX groups is notified over an eMBMS channel. In various embodiments, the state of members of MCX groups is notified when a Floor is granted to the MCX user.

Abstract: 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.

Abstract: 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.

Abstract: 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.

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. Example embodiments initiate a Mission Critical data (MCData) communication using a pre-established session. A participating MCData server receives at least one pre-established session setup request from an originating MCData client device. The pre-established session setup request comprises the pre-established session indication advising the participating MCData server of initiation of at least one pre-established session.

Abstract: A method for associating services in an electronic device is provided. The method includes sending, by a first electronic device, a first service with a first private association dialog (PAD) to a second electronic device, wherein the first PAD of the first service includes a first PAD identifier and sending, by the first electronic device, a second service with a second PAD to the second electronic device, wherein the second PAD of the second service includes a second PAD identifier that matches the first PAD identifier to associate the second service with the first service at the second electronic device.

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.

Abstract: 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.