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5.2.1 General Broadcast Group Communication
[R-5.2.1-001] The MCX Service shall support Broadcast Group Communications within that MCX Service from authorized MCX Service Group Members as determined by the MCX Service Administrator. [R-5.2.1-002] The MCX Service shall only allow the initiating MCX Service Group Member to transmit on a Broadcast Group Communicat...
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5.2.2 Group-Broadcast Group (e.g., announcement group)
[R-5.2.2-001] The MCX Service shall provide for the creation of Group-Broadcast Groups within that MCX Service with up to Bc1 levels of group hierarchy. [R-5.2.2-002] The MCX Service shall be configurable to create a Group-Broadcast Group from one or more Group-Broadcast Groups within that MCX Service with any other n...
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5.2.3 User-Broadcast Group (e.g., System Communication)
[R-5.2.3-001] The MCX Service shall provide for the creation of User-Broadcast Groups within that MCX Service with up to Bc2 levels of user hierarchy. [R-5.2.3-002] A Broadcast Group Communication transmitted on a User-Broadcast Group shall have priority over Group Communications from the same MCX Service involving us...
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5.3 Late communication entry
[R-5.3-001] The MCX Service shall provide a mechanism by which an Affiliated MCX Service Group Member can join an on-going MCX Service Group Communication. [R-5.3-002] The MCX Service shall provide the identities of the transmitting MCX Service Group Member, and of the MCX Service Group and, if available, the aliases ...
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5.4 Receiving from multiple MCX Service communications
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5.4.1 Overview
MCX Users receive communications traffic of their affiliated MCX Service Groups. This multiple receiving, called monitoring by some organizations, provides MCX Users current information about police, fire or critical medical events that are occurring within their jurisdictions. This is useful for dispatchers or those t...
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5.4.2 Requirements
[R-5.4.2-001] The MCX Service shall allow an MCX UE to be receiving or transmitting in one MCX Service Group while simultaneously receiving additional MCX Service Groups. [R-5.4.2-002] The MCX Service shall provide a mechanism to configure the number (Nc4) of MCX Service Group Communications to be simultaneously recei...
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5.5 Private Communication
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5.5.1 Private Communication general requirements
[R-5.5.1-001] The MCX Service shall provide a mechanism for a dispatcher or authorized user to configure which content source shall be able to send the content to an MCX User (e.g. video cameras near an incident).
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5.5.2 Charging requirements for MCX Service
[R-5.5.2-001] The MCX Service shall support charging for Private Communications.
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5.6 MCX Service priority requirements
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5.6.1 Overview
MCX Service Emergency Group Communications and MCX Service Imminent Peril Group Communications are MCX Service Group Communications that provide the MCX User elevated priority towards obtaining resources of the MCX Service system. The MCX Service Emergency Private Communication similarly provides elevated priority to r...
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5.6.2 Communication types based on priorities
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5.6.2.1 MCX Service Emergency and Imminent Peril general requirements
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5.6.2.1.1 Overview
Emergency Group Communication and Imminent Peril Group Communication are MCX Service Group Communications that provide the MCX User elevated priority towards obtaining resources of the MCX Service system. The MCX Service Emergency Alert provides a notification of an MCX Service Emergency situation from an MCX UE, regar...
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5.6.2.1.2 Requirements
[R-5.6.2.1.2-001] When an MCX User initiates an MCX Service Emergency Group Communication, a subset of MCX Service applications (e.g. MCPTT, MCVideo) relevant to the MCX User and configured for the MCX Service Group, shall be used for MCX Service Emergency Group Communications. [R-5.6.2.1.2-002] The MCX Service shall ...
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5.6.2.2 MCX Service Emergency Group Communication
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5.6.2.2.1 MCX Service Emergency Group Communication requirements
[R-5.6.2.2.1-001] The MCX Service shall support MCX Service Emergency Group Communications from an authorized MCX Group Member on the currently Selected MCX Group or on an MCX Group designated for MCX Service Emergency Group Communications. [R-5.6.2.2.1-002] When an MCX User initiates an MCX Service Emergency Group Co...
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5.6.2.3 MCX Service Imminent Peril Group Communication
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5.6.2.3.1 MCX Service Imminent Peril Group Communication requirements
[R-5.6.2.3.1-001] The MCX Service shall support Imminent Peril group communications from authorized Affiliated MCX Service Group Members. [R-5.6.2.3.1-002] The MCX Service (e.g. MCPTT, MCVideo) shall ensure that MCX Service Imminent Peril group communications have priority over all other MCX Service Group transmission...
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5.6.2.3.2 MCX Service Imminent Peril Group Communication cancellation requirements
[R-5.6.2.3.2-001] The MCX Service shall support cancellation of an In-progress Imminent Peril by an authorized MCX User. [R-5.6.2.3.2-002] The MCX Service shall provide a mechanism for an MCX Service Administrator to authorize MCX Service Users to cancel an In-progress Imminent Peril. [R-5.6.2.3.2-003] The MCX Servic...
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5.6.2.4 MCX Service Emergency Alert
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5.6.2.4.1 MCX Service Emergency Alert requirements
[R-5.6.2.4.1-001] The MCX Service shall support an MCX Service Emergency Alert capability, which on initiation by an MCX User shall put that MCX User into the MCX Service Emergency State and cause that MCX UE to send an MCX Service Emergency Alert. [R-5.6.2.4.1-002] The MCX Service shall provide a means for an authori...
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5.6.2.4.2 MCX Service Emergency Alert cancellation requirements
[R-5.6.2.4.2-001] The MCX UE shall only provide a means for cancelling the MCX Service Emergency State locally by an authorized user of that MCX UE. [R-5.6.2.4.2-002] The MCX Service shall support MCX Service Emergency Alert cancellation by authorized MCX Users. [R-5.6.2.4.2-003] The MCX Service shall distribute MCX ...
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5.7 MCX Service User ID
[R-5.7-001] The MCX Service shall provide a mechanism for the creation and deletion of aliases for an MCX User and its associated MCX Service User Profiles by authorized parties. [R-5.7-002] The MCX Service shall provide a mechanism for each MCX Service User ID to be associated with an alphanumeric identifier (with a ...
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5.8 MCX UE management
[R-5.8-001] An MCX UE shall support one or more MCX Service User Profiles. [R-5.8-002] The MCX Service shall provide a mechanism for an MCX Service Administrator and/or authorized MCX User to perform MCX UE Provisioning.
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5.9 MCX Service User Profile
[R-5.9-001] The MCX Service shall ensure that each MCX User has at least one associated MCX Service User Profile that records the MCX User's: information, including permissions and privileges with respect to the MCX Service. NOTE: Examples of profile information include: their MCX Service User ID, which MCX Service Gr...
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5.10 Support for multiple devices
[R-5.10-001] The MCX Service shall allow an MCX User to log in to multiple MCX UEs concurrently. [R-5.10-001a] The MCX Service shall be able to allow the MCX Service Administrator to limit the number of simultaneous logins of MCX Users to multiple MCX UEs on a per-MCX service basis. [R-5.10-001b] The MCX Service sha...
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5.11 Location
[R-5.11-001] The MCX Service shall support obtaining and conveying Location information describing the position of the MCX UE. [R-5.11-002] The MCX Service should support obtaining and conveying high accuracy Location information describing the position of the MCX UE. [R-5.11-002a] The MCX Service shall be able to pr...
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5.12 Security
[R-5.12-001] The MCX Service shall provide a means to support the confidentiality and integrity of all user traffic and signalling at the application layer. [R-5.12-002] The MCX Service shall support MCX User with globally unique identities, independent of the mobile subscriber identity (IMSI) assigned by a 3GPP netwo...
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5.13 Media quality
[R-5.13-001] The MCX Service shall have the flexibility to be used with different codecs (audio / video).
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5.14 Relay requirements
[R-5.14-001] The MCX Service shall be able to use ProSe Relay capabilities defined in TS 22.278 [5] and TS 22.468 [6]. [R-5.14-002] An MCX UE which is unable to gain service from a 3GPP network should attempt to make use of one or more suitable ProSe UE-to-Network Relay(s) in its proximity (see sub-clause 6.18). [R-5...
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5.15 Gateway requirements
[R-5.15-001] The MCX Service system shall be accessible via gateway MCX UEs by MCX Users. [R-5.15-001a] The MCX Service system shall provide a mechanism to uniquely identify a gateway MCX UE. [R-5.15-002] Gateway MCX UEs shall ensure that the content of communications between the MCX Service System and an MCX User at...
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5.16 Control and management by Mission Critical Organizations
5.16.1 Overview Clause 5.16 contains general requirements for management of the MCX Service by Mission Critical Organizations sharing the same MCX Service system, and more specific requirements pertaining to management controls and operational visibility, and to management of security services.
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5.16.2 General requirements
[R-5.16.2-001] The MCX Service shall be able to support multiple Mission Critical Organizations, each with their own MCX Users and MCX Service Groups, on the same MCX Service system. [R-5.16.2-002] The MCX Service shall provide a mechanism by which Mission Critical Organizations designate and manage (i.e., add, delete...
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5.16.3 Operational visibility for Mission Critical Organizations
[R-5.16.3-001] The MCX Service shall provide a means by which an MCX Service Administrator associated with a Mission Critical Organization has visibility into the operational status of the service (e.g., during a natural disaster).
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5.16.4 Sharing of administrative configuration between Mission Critical Organizations
Mission Critical Organizations can deploy their own 3GPP standardized mobile, local, countrywide or national broadband mission critical communications systems. In order to grant visiting MCX Service Users access to a Partner MCX Service System and its services, a mechanism is required, which allows the exchange of admi...
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5.17 General administrative – groups and users
[R-5.17-001] The MCX Service shall provide a mechanism for an MCX Service Administrator to create and define the membership of MCX Service Groups. [R-5.17-002] The MCX Service shall provide a mechanism for an MCX Service Administrator to authorize a user to request an MCX Service Group Communication to one or more MCX...
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5.18 Open interfaces for MCX services
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5.18.1 Overview
It is expected that data applications such as database access or event managers are or will be, enhanced thanks to the use of multimedia communications. As a consequence, there is a need for external applications to securely access and use MCX Services.
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5.18.2 Requirements
[R-5.18.2-001] The MCX Service shall be securely accessible via an open interface by an external application. NOTE: Access includes one or more of the following: ability to obtain information on demand or via notification, ability to set parameters, ability to control aspects of the service, and the ability to transmi...
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5.19.1 Service description
When receiving any kind of media, a user may need to forward it to another user or to another group, subject to relevant authorization. That is to say to communicate between groups the user has to be a member of both groups. Video, messages, files, and streaming may be forwarded. 5.19.2 Requirements [R-5.19.2-001] A...
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5.21 Additional services for MCX Service communications
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5.21.1 Remotely initiated MCX Service communication
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5.21.1.1 Overview
A Remotely initiated MCX Communication is a feature that allows an authorized user, typically a dispatcher, to cause a remote MCX UE to initiate a communication by itself, without its user explicitly initiating the communication by depressing the MCX switch. The purpose of this feature allows the dispatcher to listen t...
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5.21.1.2 Requirements
[R-5.21.1.2-001] The MCX Service shall provide a mechanism for an authorized MCX User (e.g. dispatch operator) to remotely initiate an MCX Service Private Communication or MCX Service Group Communication from another user’s MCX UE. [R-5.21.1.2-002] The MCX Service shall provide a mechanism for an authorized MCX User ...
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6.1 General administrative – groups and users
[R-6.1-001] The MCX Service shall provide a mechanism for an MCX Service Administrator to limit the total number (Nc6) of MCX Service Group Members of an MCX Service Group. [R-6.1-002] The MCX Service shall provide a mechanism for an MCX Service Administrator to remove MCX Service Groups from the MCX Service system. ...
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6.2 MCX Service communications
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6.2.1 Notification and acknowledgement for MCX Service Group Communications
[R-6.2.1-001] The MCX Service shall be capable of allowing an MCX Service Group Communication to proceed without prior acknowledgement by any MCX User of that MCX Service Group. [R-6.2.1-002] The MCX Service shall provide a notification and acknowledgement function for an MCX User currently affiliated to an MCX Servic...
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6.2.2 Queuing
[R-6.2.2-001] The MCX Service shall prioritize the transmit request queue based on the type of communication (e.g., group, private), urgency of the communication (e.g., general group, MCX Service Emergency, Imminent Peril), attributes (e.g., priority level) of the MCX Service Group (if a group communication), and attri...
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6.3 General requirements
[R-6.3-001] A PLMN shall support multiple MCX Service systems. [R-6.3-002] An MCX Service system shall be capable of providing MCX Services to MCX Users in multiple PLMNs. [R-6.3-003] The MCX Service shall provide a means by which changes performed by an MCX Service Administrator take effect immediately. [R-6.3-004]...
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6.4 General MCX Service Group Communications
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6.4.1 General aspects
[R-6.4.1-001] Interruption to an MCX Service Group Communication shall be minimized when participants move from one area to another.
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6.4.2 Group status/information
[R-6.4.2-001] The MCX Service shall provide a mechanism by which an authorized MCX User determines which MCX Service Groups have at least one other MCX User affiliated. [R-6.4.2-002] The MCX Service shall provide a mechanism by which an authorized MCX UE determines what MCX Service Groups have at least one active rece...
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6.4.3 Identification
[R-6.4.3-001] The MCX Service shall provide the MCX Service User ID, associated MCX Service User ID alias(es), MCX Service Group ID, group aliases and, if available, the identity of the Mission Critical Organization name of the transmitting Participant to the receiving MCX UEs unless the transmitting Participant's iden...
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6.4.4 Membership/affiliation
[R-6.4.4-001] The MCX Service shall support automatic affiliation of the MCX UE to a Group-Broadcast Group or User-Broadcast Group within that MCX Service. [R-6.4.4-002] The MCX Service shall support an MCX User's ability to revoke their affiliation with an MCX Service Group. [R-6.4.4-002a] The MCX Service shall enab...
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6.4.5 Membership/affiliation list
[R-6.4.5-001] The MCX Service shall provide, upon request, the list of currently affiliated members on an MCX Service Group to an authorized user regardless of the user's affiliation. [R-6.4.5-002] The MCX Service shall provide a mechanism for an MCX Service Administrator to authorize an MCX User to request the list o...
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6.4.6 Authorized user remotely changes another MCX User's affiliated and/or Selected MCX Service Group(s)
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6.4.6.1 Mandatory change
[R-6.4.6.1-001] The MCX Service shall provide a mechanism that allows an authorized MCX User (e.g., dispatcher) to change an on-network MCX User's Selected MCX Service Group(s) and then the MCX Service shall send a notification to the on-network MCX User. [R-6.4.6.1-002] The MCX Service shall provide a mechanism that ...
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6.4.6.2 Negotiated change
[R-6.4.6.2-001] The MCX Service shall provide a mechanism that allows an authorized MCX User (e.g., dispatcher) to send a notification that proposes that another on-network MCX User should affiliate to a specific MCX Service Group. [R-6.4.6.2-002] The MCX Service shall provide a mechanism that allows an authorized MCX...
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6.4.7 Prioritization
[R-6.4.7-001] The MCX Service shall provide a mechanism to establish, dynamically and in real-time, the relative priorities of different MCX Service Group Communications with respect to transport. [R-6.4.7-002] The MCX Service shall provide a mechanism to establish, dynamically and in real-time, the relative prioritie...
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6.4.8 Relay requirements
[R-6.4.8-001] The MCX UE-to-Network Relay service shall provide on-network MCX Service to MCX UEs not currently connected to the serving network.
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6.4.9 Administrative
[R-6.4.9-001] The MCX Service shall provide a mechanism for an MCX Service Administrator to configure the conditions under which MCX Service communications shall be terminated (e.g., last Participant leaving, second last Participant leaving, initiator leaving). NOTE: A Participant can leave an ongoing MCX Service Gro...
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6.5 Broadcast Group
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6.5.1 General Broadcast Group Communication
[R-6.5.1-001] The MCX Service shall deliver an on-Network Broadcast Group Communication within that MCX Service to the members of a Broadcast Group who are on-Network, and who may be all of the MCX Service system users, or a subset thereof. [R-6.5.1-002] The MCX Service shall support Broadcast Group Communications wit...
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6.5.2 Group-Broadcast Group (e.g., announcement group)
[R-6.5.2-001] The MCX Service shall optionally support termination of all, or a subset of, subordinate group communications within that MCX Service upon initiation of a Broadcast Group Communication transmitted on a Group-Broadcast Group.
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6.5.3 User-Broadcast Group (e.g., System Communication)
[R-6.5.3-001] The MCX Service shall optionally support termination of all group communications within that MCX Service that are not MCX Service Emergency Group Communications involving those users within the user hierarchy upon initiation of a Broadcast Group Communication transmitted on a User-Broadcast Group.
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6.6 Dynamic group management (i.e., dynamic regrouping)
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6.6.1 General dynamic regrouping
[R-6.6.1-001] Group Regroup and User Regroup operations shall be manageable by authorized MCX Users. [R-6.6.1-002] The temporary group formed by Group Regroup or User Regroup operations shall persist until torn down by an authorized MCX User. [R-6.6.1-003] The priority of the temporary group formed by a Group Regroup...
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6.6.2 Group regrouping
6.6.2.1 Service description Group regrouping enables dispatchers or any authorized user to temporarily combine MCX Service Groups. A dispatcher uses group regrouping for different reasons. Due to an incident in an area it can be necessary to temporarily enable MCX Users from different MCX Service Groups to communica...
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6.6.2.2 Requirements
[R-6.6.2.2-001] The MCX Service shall provide a means of dynamically combining a multiplicity of groups into a new, temporary group (i.e., to perform a "Group Regroup operation"). [R-6.6.2.2-002] The MCX Service shall notify MCX Users when and how any of their affiliated groups are affected by a Group Regroup operatio...
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6.6.3 Temporary Broadcast Groups
[R-6.6.3-001] The MCX Service shall enable an authorized MCX User to create a temporary Group-Broadcast Group from a multiplicity of MCX Service Groups within that MCX Service. [R-6.6.3-001a] The MCX Service shall enable an authorized MCX User to create a temporary User-Broadcast Group from a multiplicity of MCX Users...
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6.6.4 User regrouping
6.6.4.1 Service description
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6.6.4.1.1 User regrouping controlled by dispatcher or authorized user
There is a need for a mechanism for combining MCX Users into a new MCX Service Group under control by a dispatcher or authorized user to support ad-hoc communication needs. In the operational MCX Service environment, most tasks are covered by standard procedures and communication structures, and MCX Users can easily ...
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6.6.4.1.2 Automatic user regrouping
There is also a need to for an automatic mechanism that determines a set of individual MCX Users to become members of a MCX Service Group and to automatically become affiliated to that MCX Service Group. These individual MCX Users are selected automatically by the MCX Service based on certain parameters (e.g. location...
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6.6.4.2 Requirements
[R-6.6.4.2-001] The MCX Service shall provide a means for combining a multiplicity of MCX Users into a new, temporary group (i.e., to perform a "User Regroup operation"). [R-6.6.4.2-002] The MCX Service shall provide a means for combining a multiplicity of MCX Users into a new, temporary group based on a parameter or ...
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6.6.5 Dynamic Group Participation
6.6.5.1 Service description Dynamic group participation enables control of group affiliation, de-affiliation, and selection on MCX Service Groups based on various combinations of criteria. For highly mobile MCX UEs, such as those used in railway communication, the group affiliation and selection needs to change, for ...
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6.6.5.2 Requirements
[R-6.6.5.2-001] The MCX Service shall enable an MCX User to automatically affiliate to one or more MCX Service Groups based on one, or a combination of, criteria. [R-6.6.5.2-002] The MCX Service shall be able to automatically affiliate an MCX User to one or more MCX Service Groups based one, or a combination of, cr...
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6.7 Private Communication
6.7.1 Overview Private Communications can use some form of Floor control or not.
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6.7.2 General requirements
[R-6.7.2-001] The MCX Service should provide a mechanism for authorized MCX Users to query whether a particular MCX User is present on the network. [R-6.7.2-002] The MCX Service should provide a mechanism for an MCX Service Administrator to configure which MCX Users, within their authority, are authorized to place a P...
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6.7.3 Administrative
[R-6.7.3-001] The MCX Service should provide a mechanism for an MCX Service Administrator to configure whether the presence on the network of a particular MCX User is available. [R-6.7.3-002] The MCX Service should provide a mechanism for an MCX Service Administrator to configure which MCX Users may determine whether ...
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6.7.4 Prioritization
[R-6.7.4-001] The MCX Service shall provide a mechanism to establish, dynamically and in real-time, the relative priorities of Private Communications and Group Communications with respect to transport. [R-6.7.4-002] The MCX Service shall provide a mechanism to establish, dynamically and in real-time, the relative prio...
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6.7.5 Private Communication (without Floor control) commencement requirements
[R-6.7.5-001] The MCX Service shall provide a means by which an MCX UE initiates a Private Communication (without Floor control) to any MCX User for which the MCX UE's current MCX User is authorized. [R-6.7.5-002] The MCX Service shall provide a means by which an MCX User initiates an Automatic Commencement Private Co...
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6.7.6 Private Communication (without Floor control) termination
[R-6.7.6-001] The MCX Service shall provide a mechanism for an MCX User to reject a Private Communication (without Floor control). [R-6.7.6-002] The MCX Service shall provide a means by which an MCX User ends a Private Communication (without Floor control) in which the MCX User is a Participant.
38055db1edaa9b8bf534dbc753cc4ba8
22.280
6.8 MCX Service priority requirements
38055db1edaa9b8bf534dbc753cc4ba8
22.280
6.8.1 General
[R-6.8.1-001] The MCX Service shall support multiple MCX Service Application priorities, which are mapped to priority levels, based on network operator policy. [R-6.8.1-002] MCX Service shall support multiple pre-emptive priorities. [R-6.8.1-003] The MCX Service shall provide a mechanism for MCX Service Administrator...
38055db1edaa9b8bf534dbc753cc4ba8
22.280
6.8.2 3GPP system access controls
[R-6.8.2-001] The 3GPP system shall, subject to operator policy, provide a means for the MCX Service to influence the modification of the access parameters used by the network to admit MCX UEs within a defined area. NOTE: It is believed that the existing UE network access mechanisms could be utilized to meet the abov...
38055db1edaa9b8bf534dbc753cc4ba8
22.280
6.8.3 3GPP system admission controls
[R-6.8.3-001] The 3GPP system shall, subject to operator policy, provide a means for the MCX Service to influence the selection and/or modification of admission and retention controls for the bearers assigned or about to be assigned to an MCX UE based on the MCX User's and MCX Service Group attributes used for the prio...
38055db1edaa9b8bf534dbc753cc4ba8
22.280
6.8.4 3GPP system scheduling controls
[R-6.8.4-001] The 3GPP system shall, subject to operator policy, provide a means for the MCX Service to influence the selection and/or modification of the bearer scheduling controls for the bearers assigned or about to be assigned to an MCX UE based on the MCX User's and MCX Service Group attributes used for the prior...
38055db1edaa9b8bf534dbc753cc4ba8
22.280
6.8.5 UE access controls
[R-6.8.5-001] The MCX Service shall allow the MCX UE to temporarily modify selected 3GPP system access parameters, according to configuration established by an MCX Service Administrator in agreement with the operator's policy. NOTE: It is believed that the existing network access mechanisms, e.g., ACDC (see 3GPP TS 22...
38055db1edaa9b8bf534dbc753cc4ba8
22.280
6.8.6 Mobility and load management
38055db1edaa9b8bf534dbc753cc4ba8
22.280
6.8.6.1 Mission Critical mobility management according to priority
[R-6.8.6.1-001] A Mission Critical System shall minimize the interruption to an on-going MCX Service communication when the UE transitions its connection to that communication from one network to another, taking into account that priority management is done in the visited Mission Critical System. [R-6.8.6.1-002] Mobil...
38055db1edaa9b8bf534dbc753cc4ba8
22.280
6.8.6.2 Load management
[R-6.8.6.2-001] MCX Users shall be able to use dedicated 3GPP networks as well as public 3GPP networks. When possible, private 3GPP networks are preferably used. But public 3GPP networks may be used e.g., when no private 3GPP network coverage is available or for lower priority data flows while under an overloaded priva...
38055db1edaa9b8bf534dbc753cc4ba8
22.280
6.8.7 Application layer priorities
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6.8.7.1 Overview
Dispatchers from different critical communication organizations access the same networks and network resources. Depending on the event, the priority is given to an organization and/or a group rather than to another. For instance, in case of a fire priority is given to the fire brigades dealing with it, while in case of...
38055db1edaa9b8bf534dbc753cc4ba8
22.280
6.8.7.2 Requirements
[R-6.8.7.2-001] The MCX Service system shall be able to give application priorities to each communication according to the event in addition to the priority given according to groups. [R-6.8.7.2-002] The 3GPP system shall inform the MCX Service system if a new MCX Service communication cannot be set up. [R-6.8.7.2-0...
38055db1edaa9b8bf534dbc753cc4ba8
22.280
6.8.8 Communication types based on priorities
38055db1edaa9b8bf534dbc753cc4ba8
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6.8.8.1 MCX Service Emergency Group Communication requirements
[R-6.8.8.1-001] The MCX Service shall be capable of requesting increased priority for all Participants of an MCX Service Emergency Group Communication. [R-6.8.8.1-002] The MCX Service may inform affiliated group members that an MCX Service Emergency Group Communication was requested but resources were not available fo...
38055db1edaa9b8bf534dbc753cc4ba8
22.280
6.8.8.2 MCX Service Emergency Private Communication requirements
[R-6.8.8.2-001] The MCX Service shall ensure that MCX Emergency Private Communication have the highest priority over all other Private Communications. [R-6.8.8.2-002] The MCX Service shall be capable of requesting increased priority for the Participants of an MCX Emergency Private Communication. [R-6.8.8.2-003] The M...
38055db1edaa9b8bf534dbc753cc4ba8
22.280
6.8.8.3 Imminent Peril Group Communication requirements
[R-6.8.8.3-001] The MCX Service shall be capable of requesting increased priority for all Participants of an Imminent Peril group communication. [R-6.8.8.3-002] The MCX Service shall maintain knowledge of the Affiliated MCX Service Group Member(s) that initiated the Imminent Peril group communication. [R-6.8.8.3-003]...