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349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12 FRMCS System principles related use cases | |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.1 FRMCS System principles overview | In this chapter, FRMCS System related use cases are described which are complying with principles such as:
- Provide broadband and/or mission critical services with seamless connectivity
- Offer high-quality control functions and real-time performance monitoring
- Interworking with legacy systems including GSM-R and LM... |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.2 Area Broadcast Group Communication interworking between GSM-R and FRMCS Users | |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.2.1 Description | This use case describes an area broadcast group communication between FRMCS User(s) and GSM-R User(s), and vice versa.
12.2.2 Pre-condition
FRMCS User A and GSM-R User B and User C are authorized Users to perform group communication together by the FRMCS System.
User A and User B and User C are in the same group commun... |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.2.3 Service flow | FRMCS System to GSM-R
FRMCS User A initiates a new area broadcast group communication (based on location etc., of GSM-R User B and C).
FRMCS User A broadcasts group communication invitations to all Users in the same area.
GSM-R User B and User C receive the group communication invitations.
GSM-R User B and User C accep... |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.2.4 Post-condition | FRMCS User A, GSM-R User B and User C can communicate among each other in a group call. |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.2.5 Potential requirements | Reference Number
Requirement text
Application / Transport
SA1 spec covering
Comments
[12.2-001]
FRMCS System shall provide a means to initiate group communication between FRMCS Users and GSM-R Users.
A
22.179
R-6.18.3.5-003
[12.2-002]
FRMCS System shall provide means to FRMCS Users to join the group calls of GSM-R
A
22... |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.3 Location Service interworking between GSM-R and FRMCS Users | |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.3.1 Description | This use case allows FRMCS System and GSM-R system to obtain and share the location information of their users.
12.3.2 Pre-condition
User A is an authorized FRMCS User.
User B is an authorized GSM-R User.
User A and User B are affiliated to a group that consists of FRMCS User(s) and GSM-R User(s). |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.3.3 Service flow | FRMCS System to GSM-R
FRMCS User A sends a location request to the specific GSM-R User B.
GSM-R User B accepts and return his location information as requested.
GSM-R to FRMCS System
GSM-R User B sends a location request to the specific FRMCS User A.
FRMCS User A accepts and returns his location information as requeste... |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.3.4 Post-condition | FRMCS User A’s location information is sent to GSM-R User B.
GSM-R User B’s location information is sent to FRMCS User A. |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.3.5 Potential requirements | Reference Number
Requirement text
Application / Transport
SA1 spec covering
Comments
[12.3-001]
FRMCS System shall provide a means to obtain and share with FRMCS User the location information of GSM-R User(s).
A
22.280
R-6.17.3.1-001
[12.3-002]
FRMCS System shall provide means to provide location information of FRMCS U... |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.4 Presence interworking between GSM-R and FRMCS Users | |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.4.1 Description | Service interworking of user’s presence between GSM-R and FRMCS Systems is not required.
12.4.2 Pre-condition
Void. |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.4.3 Service flow | Void. |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.4.4 Post-condition | Void. |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.4.5 Potential requirements | Void. |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.5 Point to Point communication between GSM-R and FRMCS Users | |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.5.1 Description | This use case allows a FRMCS User to communicate with a GSM-R User, vice versa.
12.5.2 Pre-condition
User A is an authorized FRMCS User.
User B is an authorized GSM-R Users. |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.5.3 Service flow | FRMCS System to GSM-R
FRMCS User A initiates a point to point communication to GSM-R User B.
GSM-R User B accepts the communication and joins the communication.
GSM-R to FRMCS System
GSM-R User B initiates a point to point call to FRMCS User A.
FRMCS User A accepts the call and joins the call. |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.5.4 Post-condition | GSM-R User B and FRMCS User A are communicating with each other. |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.5.5 Potential requirements | Reference Number
Requirement text
Application / Transport
SA1 spec covering
Comments
[12.5-001]
FRMCS System shall provide a means for point to point communication between an authorized FRMCS User and a GSM-R User,
A
22.179
R-6.18.3.5-004
FRMCS System |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.6 Interworking with legacy systems including LMR | |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.6.1 Description | This use case describes the way of interworking with legacy systems including LMR. |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.6.2 Pre-conditions | The train driver uses the trainborne UE.
Train crews have a LMR UE for each.
The operator at the train control centre has a 3GPP UE.
The train control centre is connected to the public safety centre via 3GPP network. |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.6.3 Service flows | The train driver calls the train control centre to report an emergency of the train and wants to share the report with train crews in the train.
The FRMCS System initiates a 3GPP call to the operator at train control centre.
The FRMCS System initiates a LMR call to all of train crews.
The train driver reports the situa... |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.6.4 Post-conditions | The situation has been handled.
The train control centre has the information on the situation, the counter-action and its result.
The public safety centre gets the report on the situation in real-time. |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.6.5 Potential requirements and gap analysis | Reference Number
Requirement text
Application / Transport
SA1 spec covering
Comments
[12.6-001]
The FRMCS System shall provide interworking related functionality between the 3GPP network and the legacy network of LMR, e.g. TETRA and P25.
A/T
22.179
The requirement is covered by 6.18.3 Interworking with non-3GPP PTT sys... |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.7 Use case: Builds stable positioning framework for FRMCS services and devices including trainborne and handheld devices | |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.7.1 Description | This use case considers stable positioning framework for FRMCS services and devices are placed in indoor and/or outdoor. The use case focuses covering “GPS shadow area” with ad-hoc positioning technology such as LTE location service. |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.7.2 Pre-conditions | The trainborne UE has GNSS function.
The trainborne UE has 3GPP Communication Module.
The train control centre monitors the train traffics. |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.7.3 Service flows | The operator at the train control centre requests location information from a train.
The train is running through a very long tunnel, therefore the GNSS in the trainborne UE does not work.
The operator at the train control centre connects the location service in the 3GPP system as an alternative way and obtains the tra... |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.7.4 Post-conditions | The train control centre obtains the location of the train.
The track circuit for the train is reorganized. |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.7.5 Potential requirements and gap analysis | Reference Number
Requirement text
Application / Transport
SA1 spec covering
Comments
[12.7-001]
The FRMCS System shall provide the alternative means than GNSS to obtain the position of the FRMCS Equipment.
A
TS 22.280
The interfacing method and format of the location information from the LTE system is covered by 3GPP s... |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.8 Interworking between GSM-R and FRMCS | |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.8.1 Introduction | GSM-R is the widely used wireless communication system of the railways. It provides the bearer service for current critical and supportive railway applications. The deployment of FRMCS and the migration to FRMCS is expected to encompass a large timeframe estimated currently at 10 years. During this period, coexistence ... |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.8.2 Circuit Switched interworking between GSM-R and FRMCS | |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.8.2.1 Description | Background:
Circuit switched bearer services are used in GSM-R for voice and data communication. That encompasses user-to-user as well as multiuser voice communication.
Description:
FRMCS and the GSM-R will coexist for a period estimated currently at 10 years that demands interworking for circuit switched bearer servic... |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.8.2.2 Pre-conditions | GSM-R user is attached to the GSM-R system.
FRMCS Users is attached to the FRMCS System. |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.8.2.3 Service flows | GSM-R user establishes a user-to-user voice communication to a FRMCS User.
GSM-R user establishes a multiuser communication including FRMCS Users.
FRMCS User establishes a user-to-user voice communication to a GSM-R user.
FRMCS User establishes a multiuser voice communication including GSM-R users. |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.8.2.4 Post-conditions | User-to-user voice communication between GSM-R user and FRMCS User are established.
Multiuser voice communication between GSM-R user and FRMCS Users are established. |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.8.2.5 Potential requirements and gap analysis | Reference Number
Requirement text
Application / Transport
SA1 spec covering
Comments
[R-12.8.2-001]
FRMCS-system to GSM-R circuit switched signalling and bearer service interworking shall be supported for user-to-user and multiuser voice communication.
A/T
22.179
[R-6.18.4.2-003], [R-6.18.4.2-004]
[R-12.8.2-002]
FRMCS ... |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.8.3 Packet Switched interworking between GSM-R and FRMCS | |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.8.3.1 Description | Packet switched bearer services i.e. GPRS/EGPRS are used in GSM-R for data communication e.g. ATP. FRMCS and the GSM-R will coexist for a period estimated currently at 10 years that demands an interconnection for packet switched based communication. It requires the necessary packet switched transport adaptation to FRMC... |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.8.3.2 Pre-conditions | GSM-R user is attached to the GSM-R system.
FRMCS Users are attached to the FRMCS System. |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.8.3.3 Service flows | GSM-R user establishes a user-to-user packet switched communication to a FRMCS User.
FRMCS User establishes a user-to-user packet switched communication to a GSM-R user. |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.8.3.4 Post-conditions | Packet Switched communication among GSM-R user and FRMCS User are established. |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.8.3.5 Potential requirements and gap analysis | Reference Number
Requirement text
Application / Transport
SA1 spec covering
Comments
[R-12.8.3-001]
FRMCS-system to GSM-R packet switched interworking shall be supported.
A/T
N/A
According to latest decision from UIC (see FRMCS project activities status report in ERIG#70 (July 2018), the requirement is not required.
No... |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.8.4 SMS/SDS interworking between GSM-R and FRMCS | |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.8.4.1 Description | SMS has been widely used in GSM-R.
FRMCS and GSM-R will coexist for some period. So, interworking between the FRMCS System and Short Message Service in GSM-R is needed.
A possible scenario is that a GSM-R user sends a short message to a FRMCS User to transfer some information. |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.8.4.2 Pre-conditions | GSM-R user is attached to the GSM-R system.
FRMCS User is attached to the FRMCS system. |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.8.4.3 Service Flows | A GSM-R user sends a short message to a FRMCS User to transfer some information. |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.8.4.4 Post-conditions | The FRMCS User can communicate with the GSM-R user. |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.8.4.5 Potential requirements and gap analysis | Reference Number
Requirement text
Application / Transport
SA1 spec covering
Comments
[R-12.8.4-001]
The FRMCS System shall be able to interwork with the Short Message Service in GSM-R.
A
22.282
[R-7.2-001] |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.9 Use case: Bearer flexibility | |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.9.1 Description | FRMCS envisages bearer flexibility to allow a certain level of independence between Railway Applications and the underlying transport system. FRMCS includes wireless and wireline access. It comprises multiple access systems and shall support various voice and data applications.
The rationale behind these requirements i... |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.9.2 Pre-conditions | The Railway Adaptation Sub-System as part of the FRMCS System is embedded between the Railway Applications and the Multi Access Core Network (MACN) and enables the access system independence towards those applications. This Sub-System adapts application characteristics to the access systems. It manages e.g. QoS, addres... |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.9.3 Service flows | Case 1 (data communication)
As an example the Automatic Train Protection (ATP) application of a train establishes a data communication session with the applicable ground communication entity which is connected via the fixed network service. For ATP message exchange, the on-board system can encompass a railway operated ... |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.9.4 Post-conditions | Case 1 (data communication)
The train protected by ATP arrives on time without service interruptions of the communication.
Case 2 (railway emergency voice communication)
Railway emergency voice communication is established to all FRMCS Users in the designated area independent of the used access network.
Case 3 (telemet... |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.9.5 Potential requirements and gap analysis | Reference Number
Requirement text
Application / Transport
SA1 spec covering
Comments
[R-12.9-001]
The FRMCS System shall be able to manage 3GPP access systems and non-3GPP access systems (terrestrial and non-terrestrial) simultaneously.
A/T
TS 22.278
TS 22.261
TS 22.278 sub-clause 5.0
TS 22.261 sub-clause 6.3.2.1
[R-12... |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.10 Use Case: QoS in a railway environment | |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.10.1 Introduction | This system principle use case provides the framework for Quality of Service and priority level within the FRMCS System including the railway applications. The main purpose is to specify the list of attributes applicable to the FRMCS bearer service.
Railway applications exhibit different characteristics, e.g., in terms... |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.10.2 Use case: Allocation of resources meeting the QoS and priority level | |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.10.2.1 Description | The basis for this use case is the UIC FRMCS URS wherein communication attributes define the QoS to be achieved for the various kinds of railway applications. These attributes are not part of the functional use case description but relevant for the FRMCS System and therefore subject of this use case.
Regarding the URS ... |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.10.2.2 Pre-conditions | The pre-conditions of the functional use cases out of chapter 5 – 9 are applicable.
The QoS and priority level allowed for each communication, are predefined by the FRMCS network operator. |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.10.2.3 Service flows | The service flows of the functional use cases out chapter 5 – 9 are applicable.
Application categories
Application categories describe the data transfer characteristic to be achieved by a bearer service. The FRMCS System shall consider the following user plane application categories:
Voice for user to user or multiuser... |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.10.2.4 Post-conditions | The post conditions of the functional use cases out of chapter 5 – 9 are applicable. |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.10.2.5 Potential requirements and gap analysis | Reference Number
Requirement text
Application / Transport
SA1 spec covering
Comments
[R-12.10.2-001]
The FRMCS System shall be capable of providing different levels of QoS.
(A)T
TS 22.261
sub-clause 6.7.2 paragraph 1
[R-12.10.2-002]
The FRMCS-system service attributes shall be allocated unambiguously per application an... |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.10.3 Use case: service interworking and service continuation with GSM-R | |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.10.3.1 Description | For migration purposes the service interworking and service continuation between the GSM-R system and FRMCS system for QoS and Priority level needs to be clear.
Depending on the migration scenario a user can be attached to the FRMCS system, to the GSM-R system or both.
For user-to-user/Multi-user communication the QoS/... |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.10.3.2 Pre-conditions | None. |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.10.3.3 Service flows | For user-to-user/Multi-user communication in the direction from GSM-R to FRMCS, the GSM-R priority level needs to be exchanged. The FRMCS System enables interworking of priorities between GSM-R and FRMCS allowing a mapping of GSM-R priority level to FRMCS priority level.
For user-to-user/Multi-user communication in the... |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.10.3.4 Post-conditions | None. |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.10.3.5 Potential requirements and gap analysis | Reference Number
Requirement text
Application / Transport
SA1 spec covering
Comments
[R-12.10.3-001]
The FRMCS System shall enable interworking of priorities between GSM-R and FRMCS Systems allowing a mapping of GSM-R priority level to FRMCS priority level.
A
TS 22.179
TS 22.280
6.18.4.2
6.17.3.1
[R-12.10.3-002]
The FR... |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.11 Use case: Provide broadband and mission critical services with seamless connectivity | |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.11.1 Description | The FRMCS shall provide the broadband and mission critical services with seamless connectivity. |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.11.2 Pre-conditions | The operator at the train control centre has a Railway Emergency Call to a train which is in operation with 500km/h speed via 3GPP network.
Using a trainborne UE, the train driver is discussing an issue on operation of the train with train crews by a video call via a proximity-based services such as ProSe. |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.11.3 Service flows | The operator at the train control centre calls the train driver to give an emergency information including broadband video via the 3GPP network of FRMCS System.
The FRMCS System indicates the train driver is currently having a video call which has a normal priority with train crews.
The FRMCS System compares the priori... |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.11.4 Post-conditions | After the Railway Emergency Call is ended, the hold call is resumed. |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.11.5 Potential requirements and gap analysis | Reference Number
Requirement text
Application / Transport
SA1 spec covering
Comments
[R-12.11.5-001]
The FRMCS System shall be able to define the priority level of Railway Emergency Call.
A
22.280
This requirement is covered by 22.280 [R-5.16.2-002]
[R-12.11.5-002]
The FRMCS System shall be able to handle the priority ... |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.12 Use case: Offer railway services high-quality control functions with real-time train status monitoring | |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.12.1 Description | The FRMCS System offers high-quality control functions for railway services with real-time train status monitoring.
The train runs on railway by 500km/h of speed. The operator at the train control centre makes request to get the status of the train. |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.12.2 Pre-conditions | The train runs on railway by 500km/h of speed.
In the train, there is a trainborne UE and it is connected via 3GPP network. |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.12.3 Service flows | The operator at the train control centre makes request to get the status of a train which runs on railway by 500km/h of speed.
The request is made with the train number, rather than the trainborne UE equipment identity.
The request goes through the backbone network and 3GPP network, reaches a trainborne UE.
The trainbo... |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.12.4 Post-conditions | The train control centre de-crypts the train status data and is able to see the status of the train including the streaming video of monitoring.
The train receives the moving authority data and references the data. |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.12.5 Potential requirements and gap analysis | Reference Number
Requirement text
Application / Transport
SA1 spec covering
Comments
[R-12.12-001]
The FRMCS System shall provide a mapping between FRMCS Equipment Identity and the train number.
A
22.280
This requirement is covered by [R-5.9a-018] of 22.280
[R-12.12-002]
The FRMCS System shall be able to maintain a sec... |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.13 Use case: Provide call priority during interworking with LMR | |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.13.1 Description | There are Mission Critical Services such as Railway, use many kinds of communication technology, e.g. TRS and LTE. To make interworking between the networks to during provide FRMCS communication, it needs to manage call priority between calls which are made between the networks.
During the interworking between FRMCS an... |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.13.2 Pre-conditions | The operator at the train control centre has a Railway Emergency Call to a train which is in operation with 500km/h speed via 3GPP network.
Using a trainborne UE, the train driver has an announcement of control safety to the train crews via LMR such as TRS. |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.13.3 Service flows | The operator at the train control centre calls the train driver and the train crews to give an emergency notice via the 3GPP network of FRMCS System.
The FRMCS System indicates the train driver and the train crews are currently having a group call which has a lower priority then the emergency notice call.
The FRMCS Sys... |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.13.4 Post-conditions | After the emergency notice call is ended, the queued TRS call is resumed. |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.13.5 Potential requirements and gap analysis | Reference Number
Requirement text
Application / Transport
SA1 spec covering
Comments
[R-12.13-001]
FRMCS should be able to handle call priority when interworking with LMR communication systems.
A
22.179
22.280
This requirement is covered by 22.179 [R-6.18.3.2-006] to [R-6.18.3.2-009] and 22.179 [R-6.18.3.3-006] to [R-6... |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.14 Use Case: FRMCS Positioning Accuracy | |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.14.1 Introduction | This system principle use case describes the positioning accuracy requirements to position a train, track side worker as well as other stationary and non-stationary object inside the track system. In general, positioning accuracy will become a major building block to increase the automation level of train operation. Th... |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.14.2 Use case: FRMCS Positioning Accuracy | |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.14.2.1 Description | Today fixed mounted balise are used to derive the train position inside the track-system. This kind of train positioning is precise enough when the train is moving. Static conditions like in stations, push-pull train operation or the frequent change between static and dynamic conditions during shunting operation requir... |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.14.2.2 Pre-conditions | Railway line consist of station A, B and C. Station B is between station A and C.
FRMCS User 1 is used by an InterRegio train that stops in station A, B and C.
FRMCS User 2 is used by a high speed train that stops in station A and station C.
FRMCS User 3 is used on a parked train in station B.
FRMCS User 4 is used by m... |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.14.2.3 Service flows | Train FRMCS User 1 (safety application) as part of the InterRegio train approaches station B coming from station A.
Train FRMCS User 2 (safety application) as part of a high speed train passes station B coming from station C.
Train FRMCS User 3 (safety application) as part of the parked train in station B that continuo... |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.14.2.4 Post-conditions | Every train approached his final destination.
No harm to the ongoing construction work in station B. |
349ca2cc0adaee1226ea2ffcee1cba56 | 22.989 | 12.14.2.5 Potential requirements and gap analysis | Reference Number
Requirement text
Application / Transport
SA1 spec covering
Comments
[R-12.14.2-001]
The consolidated positioning information i.e. the location information resulting from the combination of all positioning sources available to the FRMCS System shall support following absolute positioning accuracy based ... |
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