EP3374247B1 - Method for operating an etcs mobile radio antenna assembly and etcs railway vehicle having an etcs mobile radio antenna assembly - Google Patents

Method for operating an etcs mobile radio antenna assembly and etcs railway vehicle having an etcs mobile radio antenna assembly Download PDF

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Publication number
EP3374247B1
EP3374247B1 EP16812712.4A EP16812712A EP3374247B1 EP 3374247 B1 EP3374247 B1 EP 3374247B1 EP 16812712 A EP16812712 A EP 16812712A EP 3374247 B1 EP3374247 B1 EP 3374247B1
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EP
European Patent Office
Prior art keywords
etcs
mobile radio
antenna
control logic
rail vehicle
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Not-in-force
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EP16812712.4A
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German (de)
French (fr)
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EP3374247A1 (en
Inventor
Elmar DÄGELE
Frank Kaiser
Fabrice Stein
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Siemens Mobility GmbH
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Siemens Mobility GmbH
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L15/00—Indicators provided on the vehicle or train for signalling purposes
    • B61L15/0018—Communication with or on the vehicle or train
    • B61L15/0027—Radio-based, e.g. using GSM-R
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L15/00—Indicators provided on the vehicle or train for signalling purposes
    • B61L15/0063—Multiple on-board control systems, e.g. "2 out of 3"-systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L2205/00—Communication or navigation systems for railway traffic
    • B61L2205/02—Global system for mobile communication - railways [GSM-R]

Definitions

  • the two mobile radio devices of an on-board unit are only used in parallel for a small part of the ETCS operating time, namely during the neighboring control center transition.
  • ETCS electronic circuitry
  • one or possibly both ETCS mobile radio devices or their antennas could be used for other services.
  • ETCS requests mobile devices they must be made available to ETCS again immediately.
  • the quality of mobile communication also known as "Quality of Service"
  • ETCS roof antennas and their feed lines must meet a number of requirements that limit the structure and placement of the antennas on the roof. Various electrical and mechanical requirements as well as minimum distances between the antennas must be observed. This limits the possible number of cellular antennas on the rail vehicles. If, in addition to the ETCS mobile radio antennas, additional antennas are to be retrofitted on the roof of a rail vehicle, space problems often arise or technically complex solutions are necessary.
  • ERTMS European Rail Traffic Management System
  • voice service train radio via which the vehicle driver can communicate with the responsible dispatcher using rail-specific extensions to the GSM mobile radio standard (location dependent addressing).
  • the DE 103 19 904 A1 discloses a method for operating an ETCS mobile radio antenna arrangement in an on board unit which is installed in an ETCS rail vehicle. There is also an ETCS mobile radio antenna and an ETCS mobile radio device, which can be connected using an ETCS antenna switch. Accordingly, there is another ETCS mobile radio antenna on the train, and the on-board unit can optionally be connected to one or the other ETCS mobile radio antenna via the antenna switch.
  • the EP 0 573 856 A1 deals with antenna switching between different antennas. Antenna switching between an internal and an external antenna of a radio must be carried out. Switching takes place according to the criterion which antenna allows better reception quality.
  • the invention is based on the object of specifying a method for operating an ETCS mobile radio antenna arrangement with which ETCS-external rail services with mobile communication can be integrated into ETCS rail vehicles.
  • ETCS European Train Control System
  • An essential advantage of the method according to the invention is seen in the fact that different services, namely ETCS-internal and / or ETCS-external services, share the existing ETCS mobile radio antennas of the respective rail vehicle.
  • a further antenna installation on the roof of a rail vehicle can advantageously be omitted for these services. This relaxes the space problem for additional mobile radio antennas on the roof of a rail vehicle.
  • the method is simple in that a control logic is used which determines the switching position of the ETCS antenna switch from ETCS status information of an on-board unit and then controls the antenna switch accordingly; the required hardware can be structured flexibly and integrated into the rail vehicle in different ways.
  • the ETCS function remains unchanged. Neither data communication nor the ETCS protocols are affected. Influences on the ETCS system availability through the ETCS antenna switch are negligibly small if a high-quality hardware version is used.
  • Difficulties with overlapping frequency ranges can easily be avoided. It is possible to install at least one mobile radio antenna that is suitable for frequency ranges from GSM-R and UMTS or LTE. With the help of the ETCS antenna switch, a high-frequency signal from one or more ETCS roof antennas can alternatively be provided for the ETCS vehicle control or for other communication services.
  • Other communication services can be cellular devices, cellular networks and / or cellular services.
  • the special control logic can be used to decide whether the ETCS mobile radio antenna is activated for ETCS vehicle control or for other services in the vehicle. Since the control of the rail vehicle has priority at all times, the control logic must have continuous knowledge of whether the ETCS mobile radio antenna is required for ETCS or not. As soon as ETCS has a communication requirement for the switchable antenna, this is made available for ETCS according to the invention. Other services must therefore expect an interruption at any time and temporary unavailability of the mobile communication. This boundary condition must be taken into account when selecting potential other rail services. However, the transmission quality provided by the method according to the invention is sufficient for services such as ETCS key management and the transmission of ETCS diagnostic data.
  • ETCS status information can be used for the control logic in the method according to the invention. However, it has proven to be particularly advantageous if the ETCS status information is obtained from information regarding the status, occupancy and communication requirements of the mobile radio devices used in the on-board unit of the ETCS rail vehicle.
  • ETCS calls are always made while the ETCS train is traveling, so that during the time the ETCS mobile antenna is being made available for other rail services, there is no communication problem with regard to unsuccessful connection requests from the route center.
  • a non-safety-related preprocessing computer and a signal-technically safe computer are used. It is advantageous to obtain the ETCS status information from the control logic using the non-safety-related preprocessing computer of the on-board unit of the ETCS rail vehicle.
  • control logic can advantageously be integrated into the CPU of the non-security-relevant preprocessing computer.
  • control logic it is also possible to house the control logic in a special component, for example in a microcontroller.
  • the ETCS status information is obtained by means of a separate computer module comprising the control logic, which also contains the ETCS antenna switch.
  • the module thus formed can be integrated as a module in the non-safety-related preprocessing computer and enables simple data transfer between the CPU of the non-safety-related preprocessing computer and the periphery of the non-safety-related preprocessing computer with regard to the ETCS status information or the control signal for the ETCS antenna switch.
  • the ETCS antenna switch is arranged on an external module and by means of a wire-bound interface with the non-safety-related preprocessing computer is connected, i.e. is not integrated into the non-safety-related preprocessing computer.
  • the control signal for the ETCS antenna switch or the ETCS status information can be transmitted via this interface.
  • a module for the control logic on the external module is required here, and a power supply is also required for the external module.
  • control logic uses ETCS-internal status and diagnostic information when forming switching commands for the antenna switch.
  • an antenna signal switch is integrated in the antenna path between the ETCS antenna switch and the further mobile radio device. If the antenna signal switch is an active antenna signal switch, then the ETCS mobile radio device is also supplied with an antenna voltage when the ETCS antenna switch has released the ETCS mobile radio antenna for other services. When using a passive antenna signal switch, the antenna signal is reduced by about 3 dB, which slightly reduces the quality for the other rail services, but there is the advantage that the ETCS mobile device remains logged in to the GSM-R network and the GSM-R Cell forwarding continues. This means that a connection can be established without delay after the ETCS cellular antenna is switched back to ETCS.
  • location information of the ETCS train vehicle is taken into account by the control logic.
  • the control for releasing the switchable antenna for other services also depends on how quickly an ETCS mobile device logs back into the GSM-R network after the antenna is available again for ETCS.
  • further information for the switchover logic can be consulted, by means of which the antenna switchover for ETCS takes place at a time before the ETCS connection is requested. Above all, location information can be used.
  • the invention also has the object of specifying an ETCS rail vehicle with an ETCS mobile radio antenna arrangement, with which ETCS external rail services with mobile communication can be integrated into ETCS rail vehicles.
  • an ETCS rail vehicle with an ETCS mobile radio antenna arrangement in the on-board unit is used to achieve this object.
  • a non-safety-related preprocessing computer known per se is used in the on-board unit in order to obtain the ETCS status information, the control logic being able to be arranged in different ways. It can be advantageous to integrate the control logic into the non-safety-related preprocessing computer.
  • the separate computer module can be assigned as a module to the non-safety-related preprocessing computer.
  • the ETCS antenna switch on an external module and connect it to the non-safety-related preprocessing computer by means of a wire-bound interface connect.
  • an antenna signal switch can advantageously be arranged in the antenna path between the ETCS antenna switch and the further mobile radio device, which can be a passive antenna signal switch.
  • Figure 1 shows an on-board unit 1 of an ETCS rail vehicle, not shown, which is equipped in a known manner with a signal-safe computer 2 and a non-safety-related preprocessing computer 3.
  • an ETCS mobile radio device 4 is connected to the non-safety-relevant preprocessing computer 3 and, on the other hand, another ETCS mobile radio device 5.
  • the two ETCS mobile radio devices 4 and 5 are generally used to ensure the function of both ETCS mobile radio devices in an overlap area.
  • ETCS mobile radio device 4 is connected to an ETCS antenna 6, while the further ETCS mobile radio device 5 is connected to a further ETCS mobile radio antenna 8 via an ETCS antenna switch 7. It also runs between the non-safety-related preprocessing computer 3 and the ETCS antenna switch 7 a connecting line 10, via which the switching position of the ETCS antenna switch 7 is determined by the non-safety-related preprocessing computer 3; In addition, the ETCS antenna switch 7 is actuated by the non-security-related preprocessing computer 3 via the connecting line 10.
  • the ETCS status information consists of information regarding the status, occupancy and communication requirements of the mobile radio devices used in the on-board unit 1 of the ETCS rail vehicle.
  • the state of the GSM-R mobile radio devices is determined, the number of communication options currently used and current connection requests as they exist to the route center and from the route center.
  • the control logic of the ETCS antenna switch 7 decides whether an ETCS mobile radio antenna is currently required or not. If the former is the case, then 7 messages are transmitted or received via the further ETCS mobile radio antenna. Otherwise, the message channel 13 to other non-ETCS mobile radio devices is opened or services are set up in another switching position of the ETCS antenna switch 7.
  • FIG. 2 A part of an ETCS rail vehicle 20 with an on-board unit 21 is shown.
  • a GSM-R mobile radio device 22 is connected to the on-board unit 21; a further GSM-R mobile radio device 23 is also connected to the on-board unit 21.
  • the further GSM-R mobile radio device 23 is connected to an antenna switch 25 of the on-board unit 21, the antenna switch 25 via a wired interface 26 also to the non-safety-related preprocessing computer of the on-board unit 21 for determining the switching position, which is not shown here of the antenna switch 25 and is connected to control this switch.
  • Both the one GSM-R mobile radio device 22 is connected to a GSM-R antenna 27 and the antenna switch 25 is connected to a further GSM-R antenna 28. Both antennas 27 and 28 radiate and receive messages via the closed GSM-R network and via the public UMTS / LTE network 29.
  • control logic in the non-safety-relevant preprocessing computer of the on-board unit 21 supplies the corresponding information, as described in detail above.
  • the on-board unit 21 is connected to a closed GSM-R network and a public UMTS / LTE network 29.
  • Figure 4 are elements after them Figure 1 correspond, provided with the same reference numerals. It can be seen that here an active antenna signal switch 41 is interposed in the antenna path between the ETCS antenna switch 7 and the non-ETCS mobile radio device 12, which is supplied with an antenna voltage via a connection 42.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Description

Bahnfahrzeuge, die mit dem standardisierten ETCS (European Train Control System) ausgerüstet sind und im ETCS Level 2 oder 3 fahren, nutzen für die Kommunikation mit der jeweils zuständigen Streckenzentrale das digitale Mobilfunknetz GSM (Global System for Mobile Communications)-R, wobei "R" für Railway steht. Um eine lückenlose Zugsicherung zu gewährleisten, sind die sogenannten On-Board-Units jeweils mit zwei GSM-R- bzw. ETCS-Mobilfunkgeräten bestückt, so dass während des Übergangs zur nächsten örtlich zuständigen Streckenzentrale parallele Mobilfunkverbindungen (zur vorherigen und nachfolgenden Streckenzentrale) verfügbar sind.Railway vehicles that are equipped with the standardized ETCS (European Train Control System) and travel in ETCS level 2 or 3 use the digital cellular network GSM (Global System for Mobile Communications) -R for communication with the relevant route center, whereby "R "stands for Railway. In order to ensure seamless train protection, the so-called on-board units are each equipped with two GSM-R or ETCS mobile radio devices, so that parallel mobile radio connections (to the previous and subsequent control center) are available during the transition to the next locally responsible control center ,

Die beiden Mobilfunkgeräte einer On-Board-Unit sind nur zu einem geringen Teil der ETCS-Betriebszeit parallel in Verwendung, nämlich während des Nachbarzentralenübergangs. In der überwiegenden Betriebszeit wird für ETCS Level 2 bzw. 3 nur ein ETCS-Mobilfunkgerät belegt. Daneben gibt es Streckenabschnitte, die nicht mit ETCS Level 2 oder 3 ausgerüstet sind und auf denen der Bahnbetrieb mit anderen Zugsicherungssystemen abgewickelt wird, so dass die ETCS-Mobilfunkgeräte während der Fahrt über diese Streckenabschnitte für ETCS nicht benötigt werden. In dieser Zeit könnten ein oder ggf. beide ETCS-Mobilfunkgeräte oder deren Antennen für andere Dienste verwendet werden. Dabei ist allerdings zu berücksichtigen, dass im Falle einer Anforderung von Mobilfunkgeräten durch ETCS diese sofort wieder für ETCS bereitgestellt werden müssen. Außerdem muss die Qualität der Mobilkommunikation, auch als "Quality of Service" bezeichnet, für ETCS jederzeit vorhanden sein.The two mobile radio devices of an on-board unit are only used in parallel for a small part of the ETCS operating time, namely during the neighboring control center transition. In the majority of the operating time, only one ETCS mobile device is used for ETCS Level 2 or 3. There are also sections of the route that are not equipped with ETCS Level 2 or 3 and on which rail operations are carried out with other train protection systems, so that the ETCS mobile radio devices are not required for ETCS while traveling over these sections. During this time, one or possibly both ETCS mobile radio devices or their antennas could be used for other services. However, it must be taken into account that if ETCS requests mobile devices, they must be made available to ETCS again immediately. In addition, the quality of mobile communication, also known as "Quality of Service", must always be available for ETCS.

Um die für ETCS benötigte Qualität der Mobilkommunikation sicherzustellen, wird auf dem Fahrzeugdach für jedes ETCS- Mobilfunkgerät eine eigene Dachantenne installiert. ETCS-Dachantennen und ihre Zuleitungen müssen eine Reihe von Anforderungen erfüllen, die den Aufbau und die Platzierung der Antennen auf dem Dach beschränken. Diverse elektrische und mechanische Anforderungen sowie Mindestabstände zwischen den Antennen müssen eingehalten werden. Dadurch ist die mögliche Anzahl von Mobilfunkantennen auf den Schienenfahrzeugen begrenzt. Sollen neben den ETCS Mobilfunkantennen weitere Antennen auf einem Dach eines Bahnfahrzeugs nachgerüstet werden, entstehen oftmals Platzprobleme oder technisch aufwändige Lösungen werden notwendig.In order to ensure the quality of the mobile communication required for ETCS, for each ETCS mobile device is on the vehicle roof installed its own roof antenna. ETCS roof antennas and their feed lines must meet a number of requirements that limit the structure and placement of the antennas on the roof. Various electrical and mechanical requirements as well as minimum distances between the antennas must be observed. This limits the possible number of cellular antennas on the rail vehicles. If, in addition to the ETCS mobile radio antennas, additional antennas are to be retrofitted on the roof of a rail vehicle, space problems often arise or technically complex solutions are necessary.

Neben der Zugsicherung ETCS gibt es eine Reihe weiterer Bahndienste im ERTMS (European Rail Traffic Management System) und außerhalb des ERTMS mit Kommunikationsbedarf über Mobilfunk. Ein Beispiel dafür ist der Sprachdienst Zugfunk, über den der Fahrzeugführer mittels bahnspezifischen Erweiterungen des GSM Mobilfunkstandards (location dependent adressing) mit dem zuständigen Fahrdienstleiter kommunizieren kann.In addition to the ETCS train protection, there are a number of other rail services in the ERTMS (European Rail Traffic Management System) and outside the ERTMS that require communication via mobile communications. An example of this is the voice service train radio, via which the vehicle driver can communicate with the responsible dispatcher using rail-specific extensions to the GSM mobile radio standard (location dependent addressing).

Der Ausbau mobiler Bahndienste mit Sprach- und Datenkommunikation wird sich zukünftig stark weiterentwickeln, beispielsweise auch hinsichtlich neuer Dienste für Bahnfahrgäste. Dies betrifft sowohl das ETCS System selbst, als auch andere auf dem Fahrzeug vorhandene Infrastruktur und Steuerungssysteme. Um ETCS Fahrzeuge wirtschaftlich zu betreiben, müssen künftig diverse Zusatzdienste für ETCS über Mobilkommunikation bereitgestellt werden. Beispiele hierfür sind:

  • Übertragung von (verschlüsselten) Schlüsseldaten für die signaltechnisch gesicherte Funkkommunikation an Fahrzeuge, beispielsweise aufgrund von zeitlich eingeschränkter Schlüsselgültigkeit oder für das Befahren neuer Streckenabschnitte durch Mietfahrzeuge,
  • Übertragung von Software bzw. Konfigurationsdaten an Fahrzeuge (z.B. zur Anpassung an Betriebssituationen oder zur Fehlerkorrektur),
  • Übertragung von Statusinformationen des ETCS Systems oder anderer Fahrzeugkomponenten (Ort, Geschwindigkeit, Level etc.) an streckenseitige Dispatcher und
  • Übertragung von Diagnosedaten des ETCS Systems oder anderer Fahrzeugkomponenten an streckenseitige Wartungseinrichtungen.
The expansion of mobile rail services with voice and data communication will continue to develop strongly in the future, for example also with regard to new services for rail passengers. This affects both the ETCS system itself and other infrastructure and control systems on the vehicle. In order to operate ETCS vehicles economically, various additional services for ETCS must be provided via mobile communication in the future. Examples for this are:
  • Transmission of (encrypted) key data for signal-secured radio communication to vehicles, for example due to the key being limited in time or for driving on new sections of the route by rental vehicles,
  • Transfer of software or configuration data to vehicles (e.g. for adaptation to operating situations or for error correction),
  • Transmission of status information of the ETCS system or other vehicle components (location, speed, level etc.) to trackside dispatchers and
  • Transmission of diagnostic data from the ETCS system or other vehicle components to trackside maintenance facilities.

Neben den ETCS-Datendiensten im bahneigenen GSM-R-Netz besteht für neue Bahndienste auch der Bedarf, öffentliche Mobilfunknetze mit Services der 3. und 4. Generation (z.B. UMTS (Universal Mobile Telecommunications System) zu nutzen.In addition to the ETCS data services in the railway's own GSM-R network, there is also a need for new rail services to use public mobile radio networks with 3rd and 4th generation services (e.g. UMTS (Universal Mobile Telecommunications System).

Es ist aus technischen und wirtschaftlichen Gründen nicht möglich, für jeden Bahndienst eine eigene Mobilfunkantenne zu installieren. Auch eine gleichzeitige Nutzung der vorhandenen ETCS-Mobilfunkantennen für die Anschaltung weiterer Mobilfunkgeräte mit UMTS oder LTE (Long Term Evolution)-Datendiensten, beispielsweise durch Nutzung eines Diplexers, ist wegen der überlappenden, bzw. zu nahe beieinander liegenden Frequenzbereiche nicht möglich.For technical and economic reasons, it is not possible to install a separate cell phone antenna for every rail service. Simultaneous use of the existing ETCS mobile radio antennas for connecting additional mobile radio devices with UMTS or LTE (Long Term Evolution) data services, for example by using a diplexer, is not possible due to the overlapping or too close frequency ranges.

Die DE 103 19 904 A1 offenbart ein Verfahren zum Betreiben einer ETCS Mobilfunkantennenanordnung in einer On Board Unit, die in einem ETCS-Bahnfahrzeug verbaut ist. Es ist auch eine ETCS-Mobilfunkantenne sowie ein ETCS Mobilfunkgerät vorhanden, wobei diese mittels eines ETCS-Antennenumschalters verbunden werden können. Demgemäß befindet sich auf dem Zug eine weitere ETCS-Mobilfunkantenne, wobei die On Board Unit über den Antennenumschalter wahlweise mit der einen oder der anderen ETCS-Mobilfunkantenne verbunden werden kann.The DE 103 19 904 A1 discloses a method for operating an ETCS mobile radio antenna arrangement in an on board unit which is installed in an ETCS rail vehicle. There is also an ETCS mobile radio antenna and an ETCS mobile radio device, which can be connected using an ETCS antenna switch. Accordingly, there is another ETCS mobile radio antenna on the train, and the on-board unit can optionally be connected to one or the other ETCS mobile radio antenna via the antenna switch.

Die EP 0 573 856 A1 beschäftigt sich mit einer Antennenumschaltung zwischen unterschiedlichen Antennen. Es ist eine Antennenumschaltung zwischen einer internen und einer externen Antenne eines Funkgerätes vorzunehmen. Die Umschaltung erfolgt nach dem Kriterium, welche Antenne eine bessere Empfangsqualität zulässt.The EP 0 573 856 A1 deals with antenna switching between different antennas. Antenna switching between an internal and an external antenna of a radio must be carried out. Switching takes place according to the criterion which antenna allows better reception quality.

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren zum Betreiben einer ETCS-Mobilfunkantennenanordnung anzugeben, mit dem sich ETCS-externe Bahndienste mit Mobilkommunikation in ETCS-Bahnfahrzeuge integrieren lassen.The invention is based on the object of specifying a method for operating an ETCS mobile radio antenna arrangement with which ETCS-external rail services with mobile communication can be integrated into ETCS rail vehicles.

Zur Lösung dieser Aufgabe wird erfindungsgemäß ein Verfahren zum Betreiben einer ETCS (European Train Control System)-Mobilfunkantennenanordnung in einer On-Board-Unit eines ETCS-Bahnfahrzeugs gemäß Anspruch 1 vorgeschlagen.To achieve this object, a method for operating an ETCS (European Train Control System) mobile radio antenna arrangement in an on-board unit of an ETCS rail vehicle is proposed according to the invention.

Ein wesentlicher Vorteil des erfindungsgemäßen Verfahrens wird darin gesehen, dass unterschiedliche Dienste, nämlich ETCS-interne und/oder ETCS-externe Dienste, die vorhandenen ETCS-Mobilfunkantennen des jeweiligen Bahnfahrzeugs mitbenutzen. Eine weitere Antenneninstallation auf dem Dach eines Bahnfahrzeugs kann für diese Dienste in vorteilhafter Weise entfallen. Damit entspannt sich das Platzproblem für weitere Mobilfunkantennen auf dem Dach eines Bahnfahrzeugs.An essential advantage of the method according to the invention is seen in the fact that different services, namely ETCS-internal and / or ETCS-external services, share the existing ETCS mobile radio antennas of the respective rail vehicle. A further antenna installation on the roof of a rail vehicle can advantageously be omitted for these services. This relaxes the space problem for additional mobile radio antennas on the roof of a rail vehicle.

Hinzu kommt, dass das Verfahren einfach ist, indem eine Steuerungslogik zum Einsatz kommt, die aus ETCS-Zustandsinformationen einer On-Board-Unit die Schaltstellung des ETCS-Antennenumschalters ermittelt und daraufhin den Antennenumschalter entsprechend ansteuert; die benötigte Hardware kann flexibel aufgebaut und in unterschiedlicher Weise in das Bahnfahrzeug integriert sein.In addition, the method is simple in that a control logic is used which determines the switching position of the ETCS antenna switch from ETCS status information of an on-board unit and then controls the antenna switch accordingly; the required hardware can be structured flexibly and integrated into the rail vehicle in different ways.

Außerdem bleibt die ETCS-Funktion unverändert. Weder die Datenkommunikation noch die ETCS-Protokolle werden beeinflusst. Einflüsse auf die ETCS-Systemverfügbarkeit durch den ETCS-Antennenumschalter sind vernachlässigbar klein, wenn eine hochwertige Hardwareausführung verwendet wird.In addition, the ETCS function remains unchanged. Neither data communication nor the ETCS protocols are affected. Influences on the ETCS system availability through the ETCS antenna switch are negligibly small if a high-quality hardware version is used.

Schwierigkeiten mit überlappenden Frequenzbereichen sind ohne Weiteres vermeidbar. Dabei ist es möglich, mindestens eine Mobilfunkantenne zu installieren, die für Frequenzbereiche von GSM-R und UMTS bzw. LTE geeignet ist. Mit Hilfe des ETCS-Antennenumschalters kann ein Hochfrequenz-Signal einer oder mehrerer ETCS-Dachantennen alternativ für die ETCS Fahrzeugsteuerung oder für andere Kommunikationsdienste bereitgestellt werden. Andere Kommunikationsdienst können Mobilfunkgeräte, Mobilfunknetze und/oder Mobilfunkdienste sein.Difficulties with overlapping frequency ranges can easily be avoided. It is possible to install at least one mobile radio antenna that is suitable for frequency ranges from GSM-R and UMTS or LTE. With the help of the ETCS antenna switch, a high-frequency signal from one or more ETCS roof antennas can alternatively be provided for the ETCS vehicle control or for other communication services. Other communication services can be cellular devices, cellular networks and / or cellular services.

Mittels der speziellen Steuerungslogik kann entschieden werden, ob die ETCS-Mobilfunkantenne für die ETCS-Fahrzeugsteuerung aktiviert wird oder für andere Dienste im Fahrzeug. Da die Steuerung des Bahnfahrzeugs zu jedem Zeitpunkt Priorität hat, muss die Steuerungslogik fortlaufend Kenntnis darüber haben, ob die ETCS-Mobilfunkantenne für ETCS benötigt wird oder nicht. Sobald ETCS Kommunikationsbedarf für die umschaltbare Antenne hat, wird diese erfindungsgemäß für ETCS bereitgestellt. Andere Dienste müssen deshalb mit einer jederzeitigen Unterbrechung und einer zeitweisen Nichtverfügbarkeit der Mobilkommunikation rechnen. Diese Randbedingung muss bei der Auswahl potentieller anderer Bahndienste berücksichtigt werden. Jedoch ist die durch das erfindungsgemäße Verfahren bereitgestellte Übertragungsqualität für Dienste, wie beispielsweise das ETCS Schlüsselmanagement und die Übertragung von ETCS-Diagnosedaten ausreichend.The special control logic can be used to decide whether the ETCS mobile radio antenna is activated for ETCS vehicle control or for other services in the vehicle. Since the control of the rail vehicle has priority at all times, the control logic must have continuous knowledge of whether the ETCS mobile radio antenna is required for ETCS or not. As soon as ETCS has a communication requirement for the switchable antenna, this is made available for ETCS according to the invention. Other services must therefore expect an interruption at any time and temporary unavailability of the mobile communication. This boundary condition must be taken into account when selecting potential other rail services. However, the transmission quality provided by the method according to the invention is sufficient for services such as ETCS key management and the transmission of ETCS diagnostic data.

Bei dem erfindungsgemäßen Verfahren können verschiedene ETCS-Zustandsinformationen für die Steuerungslogik herangezogen werden. Als besonders vorteilhaft hat es sich jedoch erwiesen, wenn die ETCS-Zustandsinformationen aus Informationen bezüglich Zustand, Belegung und Kommunikationsanforderungen der in der On-Board-Unit des ETCS-Bahnfahrzeugs verwendeten Mobilfunkgeräte gewonnen werden.Various ETCS status information can be used for the control logic in the method according to the invention. However, it has proven to be particularly advantageous if the ETCS status information is obtained from information regarding the status, occupancy and communication requirements of the mobile radio devices used in the on-board unit of the ETCS rail vehicle.

Als ETCS-Zustandsinformationen werden bevorzugt folgende Zustände abgefragt:

  • Zustand der GSM-R-Mobilfunkgeräte, wie eingeschaltet, im GSM-R-Netz eingebucht und nicht verfügbar;
  • Anzahl der aktuell genutzten Kommunikationsmöglichkeiten, wie GSM-R-Mobilfunkgeräte, GSM-R-Netze und
  • aktuelle Verbindungsanforderungen, wie zur Streckenzentrale, von der Streckenzentrale.
  • Anhand dieser ETCS-Zustandsinformationen kann die Steuerungslogik des ETCS-Antennenumschalters entscheiden, ob eine ETCS-Mobilfunkantenne gegenwärtig für ETCS benötigt wird oder nicht. So kann die ETCS-Mobilfunkantenne für andere Bahndienste freigegeben werden, wenn
  • das an die ETCS-Mobilfunkantenne angeschlossene eine ETCS-Mobilfunkgerät und das weitere ETCS-Mobilfunkgerät funktionsfähig sind,
  • kein oder ein ETCS-Mobilfunkgerät von ETCS belegt ist und keine weitere Verbindungsanforderung zur Streckenzentrale besteht.
The following states are preferably queried as ETCS state information:
  • State of the GSM-R mobile devices as switched on, logged into the GSM-R network and not available;
  • Number of communication options currently used, such as GSM-R mobile devices, GSM-R networks and
  • current connection requirements, such as to the route center, from the route center.
  • Based on this ETCS status information, the control logic of the ETCS antenna switch can decide whether an ETCS mobile radio antenna is currently required for ETCS or not. So the ETCS mobile antenna can be released for other rail services, if
  • the one ETCS mobile radio device connected to the ETCS mobile radio antenna and the further ETCS mobile radio device are functional,
  • no ETCS or an ETCS mobile device is occupied by ETCS and there is no further connection request to the route center.

Anzumerken ist in diesem Zusammenhang, dass im ETCS ein Rufaufbau während der Fahrt stets vom ETCS-Bahnfahrzeug ausgeht, so dass in der Zeit, in der die ETCS-Mobilfunkantenne für andere Bahndienste bereitgestellt wird, kein Kommunikationsproblem hinsichtlich erfolgloser Verbindungsanforderungen seitens der Streckenzentrale entsteht.In this context, it should be noted that in ETCS calls are always made while the ETCS train is traveling, so that during the time the ETCS mobile antenna is being made available for other rail services, there is no communication problem with regard to unsuccessful connection requests from the route center.

Bei dem erfindungsgemäßen Verfahren wird, wie an sich bekannt, außer der mindestens einen ETCS-Mobilfunkantenne und dem ETCS-Antennenumschalter ein nichtsicherheitsrelevanter Vorverarbeitungsrechner und ein signaltechnisch sicherer Rechner verwendet. Vorteilhaft ist es, die ETCS-Zustandsinformationen mittels des nichtsicherheitsrelevanten Vorverarbeitungsrechners der On-Board-Unit des ETCS-Bahnfahrzeugs von der Steuerungslogik zu gewinnen.In the method according to the invention, as is known per se, in addition to the at least one ETCS mobile radio antenna and the ETCS antenna switch, a non-safety-related preprocessing computer and a signal-technically safe computer are used. It is advantageous to obtain the ETCS status information from the control logic using the non-safety-related preprocessing computer of the on-board unit of the ETCS rail vehicle.

Als vorteilhaft wird es ferner erachtet, wenn bei dem erfindungsgemäßen Verfahren als Steuerungslogik eine in den nichtsicherheitsrelevanten Vorverarbeitungsrechner integrierte Steuerungslogik verwendet wird. Insbesondere kann die Integration der Steuerungslogik vorteilhaft in die CPU des nichtsicherheitsrelevanten Vorverarbeitungsrechners erfolgen. Es ist aber auch möglich, die Steuerungslogik in einer besonderen Komponente, beispielsweise in einem Mikrocontroller, unterzubringen.It is also considered advantageous if one of the non-safety-relevant control logic in the method according to the invention Preprocessing computer integrated control logic is used. In particular, the control logic can advantageously be integrated into the CPU of the non-security-relevant preprocessing computer. However, it is also possible to house the control logic in a special component, for example in a microcontroller.

Bei einer vorteilhaften Ausführungsform des erfindungsgemäßen Verfahrens werden die ETCS-Zustandsinformationen mittels eines die Steuerungslogik umfassenden, separaten Rechnerbausteins gewonnen, der auch den ETCS-Antennenumschalter enthält. Die so gebildete Baugruppe kann als Baugruppe in den nichtsicherheitsrelevanten Vorverarbeitungsrechner integriert werden und ermöglicht einen einfachen Datentransfer zwischen der CPU des nichtsicherheitsrelevanten Vorverarbeitungsrechners und der Peripherie des nichtsicherheitsrelevanten Vorverarbeitungsrechners hinsichtlich der ETCS-Zustandsinformationen oder des Ansteuerungssignals für den ETCS-Antennenumschalter.In an advantageous embodiment of the method according to the invention, the ETCS status information is obtained by means of a separate computer module comprising the control logic, which also contains the ETCS antenna switch. The module thus formed can be integrated as a module in the non-safety-related preprocessing computer and enables simple data transfer between the CPU of the non-safety-related preprocessing computer and the periphery of the non-safety-related preprocessing computer with regard to the ETCS status information or the control signal for the ETCS antenna switch.

Es ist aber auch möglich, bei dem erfindungsgemäßen Verfahren den separaten Rechnerbaustein als eine Baugruppe des nichtsicherheitsrelevanten Vorverarbeitungsrechners einzusetzen.However, it is also possible in the method according to the invention to use the separate computer module as an assembly of the non-safety-related preprocessing computer.

Ferner erscheint es vorteilhaft, wenn bei dem erfindungsgemäßen Verfahren der ETCS-Antennenumschalter auf einer externen Baugruppe angeordnet und mittels einer drahtgebundenen Schnittstelle mit dem nichtsicherheitsrelevanten Vorverarbeitungsrechner
verbunden wird, also nicht in den nichtsicherheitsrelevanten Vorverarbeitungsrechner integriert wird. Über diese Schnittstelle werden wahlweise das Ansteuerungssignal für den ETCS-Antennenumschalter oder die ETCS-Zustandsinformationen übertragen. Allerdings wird hier ein Baustein für die Steuerungslogik auf der externen Baugruppe benötigt, und außerdem ist für die externe Baugruppe eine Spannungsversorgung notwendig.Furthermore, it appears to be advantageous if, in the method according to the invention, the ETCS antenna switch is arranged on an external module and by means of a wire-bound interface with the non-safety-related preprocessing computer
is connected, i.e. is not integrated into the non-safety-related preprocessing computer. The control signal for the ETCS antenna switch or the ETCS status information can be transmitted via this interface. However, a module for the control logic on the external module is required here, and a power supply is also required for the external module.

Vorteilhaft ist es auch, wenn bei der Bildung von Umschaltbefehlen für den Antennenumschalter von der Steuerungslogik ETCS-interne Zustands- und Diagnoseinformationen herangezogen werden.It is also advantageous if the control logic uses ETCS-internal status and diagnostic information when forming switching commands for the antenna switch.

Als vorteilhaft wird es ferner angesehen, wenn bei dem erfindungsgemäßen Verfahren im Antennenweg zwischen dem ETCS-Antennenumschalter und dem weiteren Mobilfunkgerät eine Antennensignalweiche integriert wird. Ist die Antennensignalweiche eine aktive Antennensignalweiche, dann wird das ETCS-Mobilfunkgerät auch dann noch mit einer Antennenspannung versorgt, wenn der ETCS-Antennenumschalter die ETCS-Mobilfunkantenne für andere Dienste freigegeben hat. Bei Verwendung einer passiven Antennensignalweiche reduziert sich zwar das Antennensignal um etwa 3 dB, wodurch die Qualität für die anderen Bahndienste leicht gemindert wird, jedoch ergibt sich der Vorteil, dass das ETCS-Mobilfunkgerät im GSM-R-Netz eingebucht bleibt und die GSM-R-Zell-Weiterschaltung weiterhin durchführt. Damit kann nach der Rückschaltung der ETCS-Mobilfunkantenne auf ETCS ein Verbindungsaufbau ohne Verzögerung erfolgen.It is also considered advantageous if, in the method according to the invention, an antenna signal switch is integrated in the antenna path between the ETCS antenna switch and the further mobile radio device. If the antenna signal switch is an active antenna signal switch, then the ETCS mobile radio device is also supplied with an antenna voltage when the ETCS antenna switch has released the ETCS mobile radio antenna for other services. When using a passive antenna signal switch, the antenna signal is reduced by about 3 dB, which slightly reduces the quality for the other rail services, but there is the advantage that the ETCS mobile device remains logged in to the GSM-R network and the GSM-R Cell forwarding continues. This means that a connection can be established without delay after the ETCS cellular antenna is switched back to ETCS.

Vorteilhaft erscheint es ferner, wenn bei dem erfindungsgemäßen Verfahren Ortsinformationen des ETCS-Bahnfahrzeugs von der Steuerungslogik berücksichtigt werden. Die Steuerung zur Freigabe der umschaltbaren Antenne für andere Dienste hängt nämlich auch davon ab, wie schnell ein ETCS-Mobilfunkgerät wieder in das GSM-R-Netz einbucht, nachdem die Antenne wieder für ETCS verfügbar ist. Um lange Verzögerungen des ETCS-Verbindungsaufbaus zu vermeiden, können ggf. weitere Informationen für die Umschaltlogik hinzugezogen werden, mittels derer die Antennenumschaltung für ETCS bereits zu einem Zeitpunkt erfolgt, bevor die ETCS-Verbindung angefordert wird. Dazu können vor allem Ortsinformationen genutzt werden.It also appears to be advantageous if, in the method according to the invention, location information of the ETCS train vehicle is taken into account by the control logic. The control for releasing the switchable antenna for other services also depends on how quickly an ETCS mobile device logs back into the GSM-R network after the antenna is available again for ETCS. In order to avoid long delays in establishing the ETCS connection, further information for the switchover logic can be consulted, by means of which the antenna switchover for ETCS takes place at a time before the ETCS connection is requested. Above all, location information can be used.

Die Erfindung stellt sich ferner die Aufgabe, ein ETCS-Bahnfahrzeug mit einer ETCS-Mobilfunkantennenanordnung anzugeben, mit dem sich ETCS-externe Bahndienste mit Mobilkommunikation in ETCS-Bahnfahrzeuge integrieren lassen.The invention also has the object of specifying an ETCS rail vehicle with an ETCS mobile radio antenna arrangement, with which ETCS external rail services with mobile communication can be integrated into ETCS rail vehicles.

Zur Lösung dieser Aufgabe dient erfindungsgemäß ein ETCS-Bahnfahrzeug mit einer ETCS-Mobilfunkantennenanordnung in der On-Board-Unit gemäß Anspruch 12.According to the invention, an ETCS rail vehicle with an ETCS mobile radio antenna arrangement in the on-board unit is used to achieve this object.

Mit dem erfindungsgemäßen ETCS-Bahnfahrzeug sind sinngemäß die gleichen Vorteile verbunden, wie sie eingangs zum erfindungsgemäßen Verfahren aufgeführt sind.The same advantages are associated with the ETCS rail vehicle according to the invention, as are mentioned at the beginning of the method according to the invention.

Bei dem erfindungsgemäßen ETCS-Bahnfahrzeug wird ein an sich bekannter nichtsicherheitsrelevanter Vorverarbeitungsrechner in der On-Board-Unit verwendet, um die ETCS-Zustandsinformationen zu gewinnen, wobei die Steuerungslogik in unterschiedlicher Weise angeordnet sein kann. So kann es vorteilhaft sein, die Steuerungslogik in den nichtsicherheitsrelevanten Vorverarbeitungsrechner zu integrieren.In the ETCS rail vehicle according to the invention, a non-safety-related preprocessing computer known per se is used in the on-board unit in order to obtain the ETCS status information, the control logic being able to be arranged in different ways. It can be advantageous to integrate the control logic into the non-safety-related preprocessing computer.

Es kann aber auch vorteilhaft sein, wenn ein die Steuerungslogik umfassender, separater Rechnerbaustein vorgesehen ist, der auch den ETCS-Antennenumschalter enthält.However, it can also be advantageous if a separate computer module comprising the control logic is provided, which also contains the ETCS antenna switch.

Der separate Rechnerbaustein kann dabei als eine Baugruppe dem nichtsicherheitsrelevanten Vorverarbeitungsrechner zugeordnet sein.The separate computer module can be assigned as a module to the non-safety-related preprocessing computer.

Andererseits kann es auch vorteilhaft sein, den ETCS-Antennenumschalter auf einer externen Baugruppe anzuordnen und mittels einer drahtgebundenen Schnittstelle mit dem nichtsicherheitsrelevanten Vorverarbeitungsrechner zu verbinden.On the other hand, it can also be advantageous to arrange the ETCS antenna switch on an external module and connect it to the non-safety-related preprocessing computer by means of a wire-bound interface connect.

Bei dem erfindungsgemäßen ETCS-Bahnfahrzeug kann in vorteilhafter Weise im Antennenweg zwischen dem ETCS-Antennenumschalter und dem weiteren Mobilfunkgerät eine Antennensignalweiche angeordnet sein, wobei diese eine passive Antennensignalweiche sein kann.In the ETCS rail vehicle according to the invention, an antenna signal switch can advantageously be arranged in the antenna path between the ETCS antenna switch and the further mobile radio device, which can be a passive antenna signal switch.

Zur weiteren Erläuterung der Erfindung ist in

Fig. 1
ein Ausführungsbeispiel einer On-Board-Unit eines mit zwei ETCS-Mobilfunkgeräten ausgerüsteten ETCS-Bahnfahrzeugs,
Fig. 2
ein weiteres Ausführungsbeispiel eines ETCS-Bahnfahrzeugs mit einer externen Baugruppe mit ETCS-Antennenumschalter,
Fig. 3
ein zusätzliches Ausführungsbeispiel eines ETCS-Bahnfahrzeugs mit einem in die On-Board-Unit eines ETCS-Bahnfahrzeugs integrierten ETCS-Antennenumschalter und in
Fig. 4
ein ergänzendes Ausführungsbeispiel einer On-Board-Unit mit einer Antennensignalweiche
dargestellt.To further explain the invention is in
Fig. 1
1 shows an exemplary embodiment of an on-board unit of an ETCS rail vehicle equipped with two ETCS mobile radio devices,
Fig. 2
another embodiment of an ETCS rail vehicle with an external module with ETCS antenna switch,
Fig. 3
an additional embodiment of an ETCS rail vehicle with an ETCS antenna switch integrated in the on-board unit of an ETCS rail vehicle and in
Fig. 4
a supplementary embodiment of an on-board unit with an antenna signal switch
shown.

Figur 1 zeigt eine On-Board-Unit 1 eines nicht näher dargestellten ETCS-Bahnfahrzeugs, die in bekannter Weise mit einem signaltechnisch sicheren Rechner 2 und einem nichtsicherheitsrelevanten Vorverarbeitungsrechner 3 ausgerüstet ist. Mit dem nichtsicherheitsrelevanten Vorverarbeitungsrechner 3 ist einerseits ein ETCS-Mobilfunkgerät 4 verbunden und andererseits ein weiteres ETCS-Mobilfunkgerät 5. Die beiden ETCS-Mobilfunkgeräte 4 und 5 werden in der Regel benutzt, um in einen Überlappungsbereich die Funktion beider ETCS-Mobilfunkgeräte sicherzustellen. Figure 1 shows an on-board unit 1 of an ETCS rail vehicle, not shown, which is equipped in a known manner with a signal-safe computer 2 and a non-safety-related preprocessing computer 3. On the one hand, an ETCS mobile radio device 4 is connected to the non-safety-relevant preprocessing computer 3 and, on the other hand, another ETCS mobile radio device 5. The two ETCS mobile radio devices 4 and 5 are generally used to ensure the function of both ETCS mobile radio devices in an overlap area.

Das eine ETCS-Mobilfunkgerät 4 ist mit einer ETCS-Antenne 6 verbunden, während das weitere ETCS-Mobilfunkgerät 5 über einen ETCS-Antennenumschalter 7 an eine weitere ETCS-Mobilfunkantenne 8 angeschlossen ist. Ferner verläuft zwischen dem nichtsicherheitsrelevanten Vorverarbeitungsrechner 3 und dem ETCS-Antennenumschalter 7 eine Verbindungsleitung 10, über die die Schaltstellung des ETCS-Antennenumschalters 7 von dem nichtsicherheitsrelevanten Vorverarbeitungsrechner 3 ermittelt wird; außerdem wird über die Verbindungsleitung 10 eine Ansteuerung des ETCS-Antennenumschalters 7 von dem nicht sicherheitsrelevanten Vorverarbeitungsrechner 3 vorgenommen.One ETCS mobile radio device 4 is connected to an ETCS antenna 6, while the further ETCS mobile radio device 5 is connected to a further ETCS mobile radio antenna 8 via an ETCS antenna switch 7. It also runs between the non-safety-related preprocessing computer 3 and the ETCS antenna switch 7 a connecting line 10, via which the switching position of the ETCS antenna switch 7 is determined by the non-safety-related preprocessing computer 3; In addition, the ETCS antenna switch 7 is actuated by the non-security-related preprocessing computer 3 via the connecting line 10.

Je nach Schaltstellung des ETCS-Antennenumschalters 7 wird ein Zugang zu der weiteren ETCS-Mobilfunkantenne 8 gewährleistet oder über einen weiteren Nachrichtenkanal 11 eine Verbindung zu einem Nicht-ETCS-Mobilfunkgerät 12 hergestellt bzw. zu anderen Bahndiensten ermöglicht, bezüglich der hier nur ein weiterer Nachrichtenkanal 13 schematisch dargestellt ist.Depending on the switching position of the ETCS antenna switch 7, access to the further ETCS mobile radio antenna 8 is guaranteed, or a connection to a non-ETCS mobile radio device 12 is established or made possible to other railway services via an additional message channel 11, with respect to which here only one further message channel 13 is shown schematically.

In dem nichtsicherheitsrelevanten Vorverarbeitungsrechner 3 ist eine Steuerungslogik - nicht im Einzelnen dargestellt - vorhanden, von der verschiedene ETCS-Zustandsinformationen ermittelt werden. Dabei bestehen die ETCS-Zustandsinformationen aus Informationen hinsichtlich des Zustandes, der Belegung und Kommunikationsanforderung der in der On-Board-Unit 1 des ETCS-Bahnfahrzeugs verwendeten Mobilfunkgeräte. So wird - wie eingangs bereits ausgeführt - der Zustand der GSM-R-Mobilfunkgeräte ermittelt, die Anzahl der aktuell genutzten Kommunikationsmöglichkeiten sowie aktuelle Verbindungsanforderungen, wie sie zur Streckenzentrale und von der Streckenzentrale vorhanden sind. Die Steuerungslogik des ETCS-Antennenumschalters 7 entscheidet im Hinblick auf die ETCS-Zustandsinformationen, ob eine ETCS-Mobilfunkantenne derzeit benötigt wird oder nicht. Ist ersteres der Fall, dann werden über die weitere ETCS-Mobilfunkantenne 7 Nachrichten übertragen bzw. empfangen. Anderenfalls wird in einer anderen Schaltstellung des ETCS-Antennenumschalters 7 der Nachrichtenkanal 13 zu weiteren Nicht-ETCS-Mobilfunkgeräten eröffnet bzw. Dienste eingerichtet.In the non-safety-relevant preprocessing computer 3 there is control logic - not shown in detail - from which various ETCS status information is determined. The ETCS status information consists of information regarding the status, occupancy and communication requirements of the mobile radio devices used in the on-board unit 1 of the ETCS rail vehicle. Thus, as already mentioned at the beginning, the state of the GSM-R mobile radio devices is determined, the number of communication options currently used and current connection requests as they exist to the route center and from the route center. With regard to the ETCS status information, the control logic of the ETCS antenna switch 7 decides whether an ETCS mobile radio antenna is currently required or not. If the former is the case, then 7 messages are transmitted or received via the further ETCS mobile radio antenna. Otherwise, the message channel 13 to other non-ETCS mobile radio devices is opened or services are set up in another switching position of the ETCS antenna switch 7.

Bei dem Ausführungsbeispiel gemäß Figur 2 ist ein Teil eines ETCS-Bahnfahrzeugs 20 mit einer On-Board-Unit 21 gezeigt. Mit der On-Board-Unit 21 ist ein GSM-R-Mobilfunkgerät 22 verbunden; außerdem ist an die On-Board-Unit 21 ein weiteres GSM-R-Mobilfunkgerät 23 angeschlossen. Auch besteht die Möglichkeit ein UMTS-/LTE-Mobilfunkgerät 24 zu verwenden.In the embodiment according to Figure 2 A part of an ETCS rail vehicle 20 with an on-board unit 21 is shown. A GSM-R mobile radio device 22 is connected to the on-board unit 21; a further GSM-R mobile radio device 23 is also connected to the on-board unit 21. There is also the possibility of using a UMTS / LTE mobile radio device 24.

Das weitere GSM-R-Mobilfunkgerät 23 ist mit einem Antennenumschalter 25 der On-Board-Unit 21 verbunden, wobei der Antennenumschalter 25 über eine drahtgebundene Schnittstelle 26 auch mit dem hier nicht gezeigten nichtsicherheitsrelevanten Vorverarbeitungsrechner der On-Board-Unit 21 zur Ermittlung der Schaltstellung des Antennen-Umschalters 25 und zur Ansteuerung dieses Umschalters verbunden ist. Sowohl das eine GSM-R-Mobilfunkgerät 22 ist mit einer GSM-R-Antenne 27 verbunden als auch der Antennen-Umschalter 25 an eine weitere GSM-R-Antenne 28 angeschlossen. Beide Antennen 27 und 28 strahlen ab und empfangen Nachrichten über das geschlossene GSM-R-Netz und über das öffentliche UMTS/LTE-Netzwerk 29.The further GSM-R mobile radio device 23 is connected to an antenna switch 25 of the on-board unit 21, the antenna switch 25 via a wired interface 26 also to the non-safety-related preprocessing computer of the on-board unit 21 for determining the switching position, which is not shown here of the antenna switch 25 and is connected to control this switch. Both the one GSM-R mobile radio device 22 is connected to a GSM-R antenna 27 and the antenna switch 25 is connected to a further GSM-R antenna 28. Both antennas 27 and 28 radiate and receive messages via the closed GSM-R network and via the public UMTS / LTE network 29.

Zur Ermittlung der Schaltstellung des ETCS-Antennenumschalters 25 und zu seiner Ansteuerung werden von der Steuerlogik im nichtsicherheitsrelevanten Vorverarbeitungsrechner der On-Board-Unit 21 die entsprechenden Informationen geliefert, wie es oben im Einzelnen dargelegt ist.In order to determine the switching position of the ETCS antenna switch 25 and to control it, the control logic in the non-safety-relevant preprocessing computer of the on-board unit 21 supplies the corresponding information, as described in detail above.

Die On-Board-Unit 21 steht in Verbindung mit einem geschlossenen GSM-R-Netzwerk und einem öffentlichen UMTS/LTE-Netzwerk 29.The on-board unit 21 is connected to a closed GSM-R network and a public UMTS / LTE network 29.

In der Anordnung gemäß Figur 3 sind Teile, die denen nach Figur 2 entsprechen, mit gleichen Bezugszeichen versehen. Es ist zu erkennen, dass ein wesentlicher Unterschied zwischen den beiden Ausführungsbeispielen 2 und 3 darin besteht, dass in der On-Board-Unit 30 der ETCS-Antennenumschalter 31 in integrierter Form vorhanden ist, so dass direkt in dem hier nicht dargestellten nichtsicherheitsrelevanten Vorverarbeitungsrechner der On-Board-Unit 30 die Schaltstellung dieses Antennenumschalters 31 und seine Ansteuerung erfolgen können. Ansonsten erfolgt die Umschaltung des ETCS-Antennenumschalters in derselben Weise wie es anhand der Figur 1 bereits erläutert worden ist.In the order according to Figure 3 parts that correspond to those of Figure 2 are provided with the same reference numerals. It can be seen that a significant difference between the two exemplary embodiments 2 and 3 is that the ETCS antenna switch 31 is present in an integrated form in the on-board unit 30, so that the non-safety-relevant preprocessing computer is shown directly in the non-safety-related computer On-board unit 30 the switch position of this Antenna switch 31 and its control can be done. Otherwise, the ETCS antenna switch is switched in the same way as it is with the Figure 1 has already been explained.

In Figur 4 sind Elemente, die denen nach Figur 1 entsprechen, mit denselben Bezugszeichnen versehen. Es ist zu erkennen, dass hier im Antennenweg zwischen dem ETCS-Antennenumschalter 7 und dem Nicht-ETCS-Mobilfunkgerät 12 eine aktive Antennensignalweiche 41 zwischengeschaltet ist, die über eine Verbindung 42 mit einer Antennenspannung versorgt wird.In Figure 4 are elements after them Figure 1 correspond, provided with the same reference numerals. It can be seen that here an active antenna signal switch 41 is interposed in the antenna path between the ETCS antenna switch 7 and the non-ETCS mobile radio device 12, which is supplied with an antenna voltage via a connection 42.

Claims (15)

  1. Method for operating an ETCS (European Train Control System) mobile radio antenna assembly in an on-board unit (1) of an ETCS rail vehicle having at least one first ETCS mobile radio antenna (8) with an attached first ETCS mobile radio device (4) and a further ETCS mobile radio antenna (8) which by means of an ETCS antenna switch (7) is connected via mobile radio either to a further ETCS mobile radio device (5) or to a further mobile radio device (12) of another rail service not belonging to ETCS which has a communication requirement, wherein by means of a control logic the switch position of the ETCS antenna switch (7) is determined from ETCS status information of the on-board unit (1) of the ETCS rail vehicle, and an actuation of the ETCS antenna switch (7) is carried out such that as soon as ETCS has a communication requirement for the switchable further ETCS mobile radio antenna (8) the latter is provided for ETCS.
  2. Method according to claim 1,
    characterised in that
    the ETCS status information for the control logic is obtained from information regarding the status, occupancy and communication requirements of the mobile radio device (5) used in the on-board unit (1) of the ETCS rail vehicle, wherein the following are requested for status, occupancy and communication requirements:
    • the status of the GSM-R mobile radio devices, such as switched on, logged on to the GSM-R network and not available;
    • the number of communication options currently being used, such as GSM-R mobile radio devices, GSM-R networks and
    • current connection requirements, such as to the control location, from the control location.
  3. Method according to claim 1 or 2,
    characterised in that
    the ETCS status information is obtained from the control logic by means of a non-safety-related preprocessing computer (3) of the on-board unit (1) of the ETCS rail vehicle.
  4. Method according to claim 3,
    characterised in that
    a control logic integrated into the non-safety-related preprocessing computer is used as the control logic.
  5. Method according to one of claims 1 to 3,
    characterised in that
    the ETCS status information is obtained by means of a separate computer module which comprises the control logic and which also contains the ETCS antenna switch (7).
  6. Method according to claim 5,
    characterised in that
    the separate computer module is used as an assembly of the non-safety-related preprocessing computer.
  7. Method according to one of claims 1 to 3,
    characterised in that
    the ETCS antenna switch (7) is arranged on an external module and can be connected by means of a wired interface (10) to the non-safety-related preprocessing computer (3).
  8. Method according to one of the preceding claims,
    characterised in that
    ETCS-internal status and diagnostic information is used in the formation of switching commands for the antenna switch from the control logic.
  9. Method according to one of the preceding claims,
    characterised in that
    an antenna signal splitter (41) is integrated in the antenna path between the ETCS antenna switch (7) and the further mobile radio device (12).
  10. Method according to claim 9,
    characterised in that
    a passive antenna signal splitter is used as an antenna signal splitter (41).
  11. Method according to one of the preceding claims,
    characterised in that
    location information of the ETCS rail vehicle is taken into account by the control logic.
  12. ETCS rail vehicle having an ETCS mobile radio antenna arrangement in an on-board unit (1) with at least one first ETCS mobile radio antenna (8) with an attached first ETCS mobile radio device (4) and a further ETCS mobile radio antenna (8) which by means of an ETCS antenna switch (7) can be connected via mobile radio either to a further ETCS mobile radio device (5) or to a further mobile radio device (12) of another rail service not belonging to ETCS which has a communication requirement, wherein by means of a control logic the switch position of the ETCS antenna switch (7) can be determined from ETCS status information of the on-board unit (1) of the ETCS rail vehicle, and an actuation of the ETCS antenna switch (7) is carried out such that as soon as ETCS has a communication requirement for the switchable further ETCS mobile radio antenna (8) the latter is provided for ETCS.
  13. ETCS rail vehicle according to claim 12,
    characterised in that
    the control logic is integrated into a non-safety-related preprocessing computer (3) of the on-board unit (1).
  14. ETCS rail vehicle according to claim 12,
    characterised in that
    a separate computer module comprising the control logic is provided, which also contains the ETCS antenna switch (7).
  15. ETCS rail vehicle according to one of claims 12 to 14,
    characterised in that
    an antenna signal splitter (41) is arranged in the antenna path between the ETCS antenna switch (7) and the further mobile device (12).
EP16812712.4A 2016-01-07 2016-12-08 Method for operating an etcs mobile radio antenna assembly and etcs railway vehicle having an etcs mobile radio antenna assembly Not-in-force EP3374247B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016200085.3A DE102016200085A1 (en) 2016-01-07 2016-01-07 A method of operating an ETCS mobile radio antenna arrangement and ETCS railway vehicle with an ETCS mobile radio antenna arrangement
PCT/EP2016/080317 WO2017118520A1 (en) 2016-01-07 2016-12-08 Method for operating an etcs mobile radio antenna assembly and etcs railway vehicle having an etcs mobile radio antenna assembly

Publications (2)

Publication Number Publication Date
EP3374247A1 EP3374247A1 (en) 2018-09-19
EP3374247B1 true EP3374247B1 (en) 2020-02-05

Family

ID=57570054

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16812712.4A Not-in-force EP3374247B1 (en) 2016-01-07 2016-12-08 Method for operating an etcs mobile radio antenna assembly and etcs railway vehicle having an etcs mobile radio antenna assembly

Country Status (5)

Country Link
EP (1) EP3374247B1 (en)
DE (1) DE102016200085A1 (en)
ES (1) ES2782211T3 (en)
HU (1) HUE048921T2 (en)
WO (1) WO2017118520A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019081326A1 (en) * 2017-10-26 2019-05-02 Siemens Mobility GmbH Concept for operating a rail vehicle
DE102018222589A1 (en) 2018-12-20 2020-06-25 Siemens Mobility GmbH Antenna arrangement and rail vehicle with antenna arrangement, having several antennas

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IN160140B (en) * 1981-10-10 1987-06-27 Westinghouse Brake & Signal
DE59309053D1 (en) * 1992-06-12 1998-11-19 Siemens Ag Radio
DE10319904B4 (en) * 2003-04-29 2007-04-05 Siemens Ag communication system
EP1908661A1 (en) * 2006-10-04 2008-04-09 Siemens Schweiz AG Switchable and safe circuit for receiving and/or sending signals of an automatic train control system
DE102008056095A1 (en) * 2008-11-04 2010-05-12 Siemens Aktiengesellschaft Device and method for receiving and processing signals for train control on a rail vehicle and receiver

Also Published As

Publication number Publication date
WO2017118520A1 (en) 2017-07-13
EP3374247A1 (en) 2018-09-19
HUE048921T2 (en) 2020-08-28
DE102016200085A1 (en) 2017-07-13
ES2782211T3 (en) 2020-09-11

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