EP1914699A2 - Method for improving the passage of emergency vehicles - Google Patents

Method for improving the passage of emergency vehicles Download PDF

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Publication number
EP1914699A2
EP1914699A2 EP07380280A EP07380280A EP1914699A2 EP 1914699 A2 EP1914699 A2 EP 1914699A2 EP 07380280 A EP07380280 A EP 07380280A EP 07380280 A EP07380280 A EP 07380280A EP 1914699 A2 EP1914699 A2 EP 1914699A2
Authority
EP
European Patent Office
Prior art keywords
emergency vehicle
network
terminal
service
tapes
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP07380280A
Other languages
German (de)
French (fr)
Other versions
EP1914699B1 (en
EP1914699A3 (en
Inventor
Miguel Angel Touset Rios
José Carlos Sendra Alcina
Guillermo Cajigas Bringas
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vodafone Espana SA
Vodafone Group PLC
Original Assignee
Vodafone Espana SA
Vodafone Group PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vodafone Espana SA, Vodafone Group PLC filed Critical Vodafone Espana SA
Publication of EP1914699A2 publication Critical patent/EP1914699A2/en
Publication of EP1914699A3 publication Critical patent/EP1914699A3/en
Application granted granted Critical
Publication of EP1914699B1 publication Critical patent/EP1914699B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/16—Anti-collision systems
    • G08G1/164—Centralised systems, e.g. external to vehicles
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0965—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages responding to signals from another vehicle, e.g. emergency vehicle
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/123—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams

Definitions

  • the present invention relates to a method for improving the passage of emergency vehicles, in which the emergency vehicles circulating through the road network and using said method have means for determining the position, (such as for example a global navigation satellite (GNSS) receiver, such as GPS or Galileo), and a terminal with access to a wireless access network (for example, the mobile telephone network) and which is connected to said means for determining the position.
  • GNSS global navigation satellite
  • the network Knowing the position of the emergency vehicle at each time, the network warns the remaining vehicles in the road network, provided that they are close to the emergency vehicle, of the safety parameters (such as maximum allowed speed, safety distance with the vehicle in front of it) and other actions which they must comply to facilitate the passage of said emergency vehicle, minimizing the risk of accidents.
  • the safety parameters such as maximum allowed speed, safety distance with the vehicle in front of it
  • the alert passage of emergency vehicles is currently based on using acoustic and light signals so that the remaining vehicles with which they share the road clear their path and allow them to reach their destination in as short a time as possible.
  • the vehicles in front of the emergency vehicles do not know if the vehicle is before or after them and on which lane they are approaching, such that on many occasions they cannot carry out any maneuver to clear the path of the EVs.
  • the method object of the invention solves the drawback set forth because it informs the drivers to clear the path of the emergency vehicles and thus reduces the time of arrival to their destination, in addition to increasing the safety especially in crossroads.
  • Patent documents on similar methods for improving the passage of emergency vehicles are not known.
  • the present invention relates to a method for improving the passage of emergency vehicles according to claim 1 and claim 8, in its two alternative solutions. Preferred embodiments of said method are defined in the dependent claims.
  • each emergency vehicle subscribing to a service of traffic accident prevention for emergency services has:
  • the method described in claim 1 comprises, for each emergency vehicle subscribed to the TAPES service, the following steps:
  • the network informs said remaining vehicles of the presence of the emergency vehicle through their own terminals TE, sending them safety parameters (maximum allowed speed, for example) which they must comply and optionally a message requiring a specific action from them, such as clearing one of the lanes for example.
  • the emergency vehicles subscribe to the TAPES service is they want the remaining vehicles to be warned of their presence.
  • the vehicles participating in the TAPES service are those that are connected to the wireless access network by means of a terminal in each vehicle, and can receive information from the TAPES service to warn them of the presence of an emergency vehicle.
  • the vehicles that do not have a terminal to access the wireless access network do not participate in the TAPES service, and therefore cannot receive messages from the wireless access network.
  • the vehicles that do not participate in the TAPES service could be warned, for example, by means of informative panels controlled by the TAPES service itself and located in problematic points of the road network (in the reference points RPs). Traffic lights and other types of signs could also be controlled if the TAPES service had permission, to thus warn all the vehicles located close to the emergency vehicle.
  • the wireless access network can periodically send a new identifier IDEV TEMP to the emergency vehicle.
  • the method can be implemented such that the emergency vehicle sends the wireless access network its position, its temporary identifier IDEV TEMP and optionally its circulating direction when such network requires it.
  • the subscription of the emergency vehicle to the TAPES service can end either when said emergency vehicle does not contact the network in a predetermined time period T EXP or when said emergency vehicle sends the network a request for ending the subscription to the TAPES service.
  • the terminal TE of the emergency vehicle must send the following data to the network to carry out a new subscription: the position of the emergency vehicle, the identifier of the TAPES service which is being requested, the temporary identifier IDEV TEMP of said terminal TE and optionally the circulating direction.
  • the wireless access network then checks that the validity period of said IDEV TEMP has not expired.
  • the terminal TE sends a request to the wireless access network, the network checks the user identity and the validation of the subscription of the terminal TE in the same manner as in the first described method. What changes is that now the wireless access network only sends one temporary identifier IDEV TEMP of the terminal TE, and does not send information about the RPs.
  • the network like in the first described method, informs the remaining vehicles which are located at a predetermined distance from the emergency vehicle in the presence thereof.
  • the terminal TE of the emergency vehicle periodically sends the wireless access network the identifier IDEV TEMP , the position of the emergency vehicle and optionally the circulating direction of the emergency vehicle.
  • the emergency vehicle can send the wireless access network its position, its temporary identifier IDEV TEMP and optionally its circulating direction when such network requests it.
  • the wireless access network can in turn periodically send a new identifier IDEV TEMP to the emergency vehicle.
  • the manner in which the wireless access network informs the remaining vehicles of the presence of the emergency vehicle is identical to the one already described.
  • the process for ending the subscription to the service and new subscription is also the same as that already described for the first method.
  • the method object of the invention is based on the availability, in the emergency vehicle 1, of means for determining the position for example, and in the case of Figure 1, a global navigation satellite GNSS receiver 2 (GPS, Galileo, etc.) providing position measurements of the vehicle in which it is installed, said GNSS receiver 2 having connected thereto a terminal TE 3 of the driver of said vehicle 1, which terminal 3 has installed therein a client application and has access to the information supplied by the GNSS receiver 2, such that the location of the vehicle 1 is locally determined (in the vehicle 1 of the user).
  • GPS global navigation satellite GNSS receiver 2
  • Galileo Galileo, etc.
  • the method has the following steps:
  • the network 4 can periodically send a new IDEV TEMP to the emergency vehicle.
  • the network 4 can also request the emergency vehicle 1 to send it its current position, temporary identifier and circulating direction.
  • the terminal TE 3 of the emergency vehicle 1 remains inactive for a time period to be defined (i.e., if it does not communicate with the wireless access network 4 during a certain time period), said terminal TE 3 must subscribe again.
  • the emergency vehicle 1 itself can also voluntarily end its subscription when it does not need to move in emergency.
  • the emergency vehicle 1 wants to subscribe again, it will do so by sending the same parameters as those indicated in S1 if a validity time period, set by the network 4 according to configuration, associated to said emergency vehicle 1, has passed. Steps S2, S3, S4 would be carried out without modification. If said time period had expired, the network would send the following parameters in subscription step S1:
  • step S2 the network would check that said IDEV TEMP has not expired and therefore, the access to the service is assured. And there would be no modification in steps S3 and S4.
  • the solution described in the method object of the invention is valid for any vehicle which is not an emergency vehicle 1 without requiring anything other than such vehicle having the application loaded in the terminal TE and a GNSS receiver.
  • the ID EV could be its license number and the IDEV PASS could be the reason for which the service is needed.
  • the activation and therefore, the insertion in the database of the network in which the allowed pairs (ID EV , IDEV PASS ) are registered) could be carried out from an emergency call center.

Abstract

The invention relates to a method for improving the passage of emergency vehicles, wherein the emergency vehicle (1) has means (2) for determining the position of the vehicle and a terminal TE (3), connected to the means (2), which can access a wireless access network (4) managing the service for improving the passage. Knowing the position of the emergency vehicle (1), when the latter approaches a reference point RP (6), the network (4) warns the remaining vehicles (7) having a terminal TE (11) and means (10) for determining the position, and which are located at a predetermined distance from said RP (6), either on the same road (8) as the emergency vehicle (1) or on an adjacent road (9), of the presence of the emergency vehicle (1) so that said vehicles (7) clear the path for the emergency vehicle (1).

Description

    Field of the Invention
  • The present invention relates to a method for improving the passage of emergency vehicles, in which the emergency vehicles circulating through the road network and using said method have means for determining the position, (such as for example a global navigation satellite (GNSS) receiver, such as GPS or Galileo), and a terminal with access to a wireless access network (for example, the mobile telephone network) and which is connected to said means for determining the position. Knowing the position of the emergency vehicle at each time, the network warns the remaining vehicles in the road network, provided that they are close to the emergency vehicle, of the safety parameters (such as maximum allowed speed, safety distance with the vehicle in front of it) and other actions which they must comply to facilitate the passage of said emergency vehicle, minimizing the risk of accidents.
    • Background of the Invention
  • The alert passage of emergency vehicles, such as ambulances, fire engines or police patrol cars, through streets and freeways in emergency situations is currently based on using acoustic and light signals so that the remaining vehicles with which they share the road clear their path and allow them to reach their destination in as short a time as possible.
  • On several occasions, especially in intersections and crossroads, the safety of these vehicles is not assured, whereby the safety of the remaining vehicles is furthermore placed at risk.
  • Furthermore, on multiple occasions, and due to the Doppler sound effect, the vehicles in front of the emergency vehicles do not know if the vehicle is before or after them and on which lane they are approaching, such that on many occasions they cannot carry out any maneuver to clear the path of the EVs.
  • The method object of the invention solves the drawback set forth because it informs the drivers to clear the path of the emergency vehicles and thus reduces the time of arrival to their destination, in addition to increasing the safety especially in crossroads.
  • Patent documents on similar methods for improving the passage of emergency vehicles are not known.
    • Description of the Invention
  • The present invention relates to a method for improving the passage of emergency vehicles according to claim 1 and claim 8, in its two alternative solutions. Preferred embodiments of said method are defined in the dependent claims.
  • In both methods, each emergency vehicle subscribing to a service of traffic accident prevention for emergency services, TAPES service, which service is provided by said method, has:
    • means for determining the position of the vehicle, such as for example a global navigation satellite GNSS receiver providing georeferenced position measurements of the vehicle in which it is installed, and
    • a terminal TE (for example, a mobile telephone with an installed application or a personal digital assistant, PDA), which can access a wireless access network (for example, a mobile telephone network), said terminal being connected to the means for determining the position of the vehicle and with access to the information provided by said means.
  • The method described in claim 1 comprises, for each emergency vehicle subscribed to the TAPES service, the following steps:
    • the terminal TE of the emergency vehicle sends a request to the wireless access network to subscribe to the TAPES service, sending the following data with said request: the position of the emergency vehicle, the identifier of the TAPES service which is being requested, a unique IDEV identifier of the emergency vehicle, and optionally an access key IDEVPASS to the service for that IDEV, and the circulating direction;
    • the wireless access network checks the user identity, by means of an authentication mechanism for example, checking the validation of the subscription of the terminal TE, storing the data received in the previous request and optionally confirming to the terminal TE its subscription to the TAPES service;
    • the wireless access network sends terminal TE of the emergency vehicle a temporary IDEVTEMP identifier of said terminal TE; the coordinates of reference points RPs in which the terminal TE must contact the wireless access network, when it approaches a certain distance, so that the network informs the remaining vehicles of the presence of the emergency vehicle; identifiers IDRP of the RPs and the distance D to the RPs which the terminal TE must observe to contact the wireless access network;
    • the wireless access network can optionally inform the remaining vehicles which are located at a predetermined distance from the emergency vehicle of the presence thereof in the area at the time the emergency vehicle subscribes to the TAPES service;
    • the terminal TE of the emergency vehicle periodically calculates the distance d from said vehicle to the RPs. In the event that d>D, the terminal TE can send the network the position of the emergency vehicle, its temporary IDEVTEMP identifier and optionally its circulating direction. In the event that d<=D for at least one of the RPs:
      • said terminal TE sends the wireless access network the position of the emergency vehicle, the identifier IDRP of the at least one RP for which d<=D is met, the identifier IDEVTEMP and optionally the circulating direction of the vehicle;
      • the wireless access network stores the data received and optionally confirms the reception of said data;
      • the wireless access network informs the remaining vehicles which are located at a predetermined distance from the at least one RP for which d<=D is met of the presence of the emergency vehicle.
  • There are several options to inform the remaining vehicles of the presence of the emergency vehicle. For the vehicles circulating through the road network and participating in the TAPES service and having means for determining the position (a GPS receiver for example), and having in turn a terminal TE with access to the wireless access network, and with access to the information provided by said means, the network informs said remaining vehicles of the presence of the emergency vehicle through their own terminals TE, sending them safety parameters (maximum allowed speed, for example) which they must comply and optionally a message requiring a specific action from them, such as clearing one of the lanes for example. The emergency vehicles subscribe to the TAPES service is they want the remaining vehicles to be warned of their presence. In turn, the vehicles participating in the TAPES service are those that are connected to the wireless access network by means of a terminal in each vehicle, and can receive information from the TAPES service to warn them of the presence of an emergency vehicle. The vehicles that do not have a terminal to access the wireless access network do not participate in the TAPES service, and therefore cannot receive messages from the wireless access network.
  • The vehicles that do not participate in the TAPES service could be warned, for example, by means of informative panels controlled by the TAPES service itself and located in problematic points of the road network (in the reference points RPs). Traffic lights and other types of signs could also be controlled if the TAPES service had permission, to thus warn all the vehicles located close to the emergency vehicle.
  • The wireless access network can periodically send a new identifier IDEVTEMP to the emergency vehicle. The method can be implemented such that the emergency vehicle sends the wireless access network its position, its temporary identifier IDEVTEMP and optionally its circulating direction when such network requires it.
  • The subscription of the emergency vehicle to the TAPES service can end either when said emergency vehicle does not contact the network in a predetermined time period TEXP or when said emergency vehicle sends the network a request for ending the subscription to the TAPES service. In the event that the emergency vehicle has voluntarily ended its subscription, the terminal TE of the emergency vehicle must send the following data to the network to carry out a new subscription: the position of the emergency vehicle, the identifier of the TAPES service which is being requested, the temporary identifier IDEVTEMP of said terminal TE and optionally the circulating direction. The wireless access network then checks that the validity period of said IDEVTEMP has not expired.
  • There is also an alternative method according to claim 8. In this case, the terminal TE sends a request to the wireless access network, the network checks the user identity and the validation of the subscription of the terminal TE in the same manner as in the first described method. What changes is that now the wireless access network only sends one temporary identifier IDEVTEMP of the terminal TE, and does not send information about the RPs. The network, like in the first described method, informs the remaining vehicles which are located at a predetermined distance from the emergency vehicle in the presence thereof. The terminal TE of the emergency vehicle periodically sends the wireless access network the identifier IDEVTEMP, the position of the emergency vehicle and optionally the circulating direction of the emergency vehicle. Thus, it is now the wireless access network, and not the emergency vehicle, which calculates the distance d from the emergency vehicle to the RPs, and in the event that d<=D for at least one of the RPs, the wireless access network informs the remaining vehicles which are located at a predetermined distance from the at least one RP for which d<=D is met of the presence of the emergency vehicle. The emergency vehicle can send the wireless access network its position, its temporary identifier IDEVTEMP and optionally its circulating direction when such network requests it. The wireless access network can in turn periodically send a new identifier IDEVTEMP to the emergency vehicle.
  • The manner in which the wireless access network informs the remaining vehicles of the presence of the emergency vehicle is identical to the one already described. The process for ending the subscription to the service and new subscription is also the same as that already described for the first method.
    • Brief Description of the Drawings
  • To better understand the invention, an embodiment is very briefly described below as an illustrative and non-limiting example thereof. To that end, reference is made to the attached drawings, in which:
    • Figure 1 shows the interaction of the terminal TE of the emergency vehicle, connected to means for determining the position of the vehicle, with the wireless access network provided by the TAPES service.
    Description of a Preferred Embodiment of the Invention
  • As shown in Figure 1, the method object of the invention is based on the availability, in the emergency vehicle 1, of means for determining the position for example, and in the case of Figure 1, a global navigation satellite GNSS receiver 2 (GPS, Galileo, etc.) providing position measurements of the vehicle in which it is installed, said GNSS receiver 2 having connected thereto a terminal TE 3 of the driver of said vehicle 1, which terminal 3 has installed therein a client application and has access to the information supplied by the GNSS receiver 2, such that the location of the vehicle 1 is locally determined (in the vehicle 1 of the user).
  • The method has the following steps:
    • S1. The terminal TE 3 subscribes to the service for the first time. To that end, it sends a registration request to a wireless access network 4 in charge of managing the TAPES service of Traffic Accident Prevention for Emergency Services. The following parameters are included in the request:
      • the identifier of the TAPES service,
      • a unique identifier IDEV of the emergency vehicle 1,
      • the current position of the terminal TE 3,
      and optionally:
      • the circulating direction (a simple solution is to send two position measurements or two points), and
      • an access key IDEVPASS to the service for that IDEV. The wireless access network 4 has a database 5 with the pairs (IDEV, IDEVPASS) allowed for TAPES service, for example.
    • S2. In response to this request, the network 4 will attempt to authenticate the user by using an authentication mechanism, a credential sending mechanism, for example. In this mechanism, using the parameters of user identity and password of such user as an input, the network 4 and the user generate a response which must be the same at both ends to consider the user authenticated and provide access to him or her. Since the calculation of this response is based on something that only the network 4 and the user know, the user is registered if the response is the same it is the registered user.
    • S3. If it is correct, it will confirm his or her subscription to the TAPES service and will send terminal TE 3:
      • a temporary identifier of the emergency vehicle IDEVTEMP,
      • the coordinates of reference points RPs 6 in which it must contact the network 4 to inform the remaining vehicles 7;
      • identifiers IDRP of the reference points RPs 6;
      • distance D to these RPs 6 which the terminal TE 3 must observe to contact the network 4. This distance can be a single distance for all the RPs 6 or can be particular for each RP 6.
    • S4. The network will optionally inform, right after the subscription, the remaining vehicles 7 of the presence of the emergency vehicle in the area. The information sent to said vehicles will depend on where they are located:
      • For the vehicles which are located in the road 8 in which the emergency vehicle 1 is located (determined by consulting a map and the information on circulating direction):
        • The safety-associated parameters sent by the network 4, safety parameters such as maximum speed, can be complemented in the following RPs in the circulating direction of the emergency vehicle with more restrictive parameters and indicating that they are required to clear the left lane for the use of the emergency vehicle in its passage, for example.
        • For the vehicles which have recently passed through the RP 6 in which the emergency vehicle is now located, the network 4 will send them an update of the safety parameters and may request them to change lanes.
      • For the vehicles which are located in adjacent roads 9, those that are perpendicular to the road 8 over which the emergency vehicle circulates, to which the emergency vehicle 1 is located in (determined by consulting a map and the information on circulating direction):
        • it is informed in the RPs 6 located at a certain distance from each of the RPs informed in the previous point (vehicles which are located in road 8 in which the emergency vehicle 1 is located) to clear the intersection with the road 8 over which the emergency vehicle 1 circulates, to reduce their speed and where appropriate, to stop until the passage of the emergency vehicle 1.
    • S5. The terminal TE 3 (specifically the application it has installed therein) of the emergency vehicle 1 periodically and autonomously calculates the distance d separating it from its current point to the RPs 6. While d> D, the terminal TE 3 can periodically inform the network of the current position of the emergency vehicle 1, the IDEVTEMP and optionally its circulating direction. In the event that d <= D:
      • The TE 3 sends the network 4 its position, IDEVTEMP and IDRP (the identifier of the RP 6 it has reached) and optionally the circulating direction (the last two measured points that are different, for example). If there were more than one RP 6 for which d<=D is met, a list of said RPs 6 will be sent, although this should not occur if their location is suitably chosen according to D, but it could occur if there is an emergency situation in a point very close to an RP 6, for example.
      • The network 4 stores the values received in a database 5 of the TAPES service.
      • The network 4 optionally confirms the reception of the data to the TE 3.
      • The network 4 informs the remaining vehicles 7 of the presence of the emergency vehicle 1 in the area in the same manner as already explained in S4.
  • In addition, the network 4 can periodically send a new IDEVTEMP to the emergency vehicle. At the request of the network 4, it can also request the emergency vehicle 1 to send it its current position, temporary identifier and circulating direction.
  • If the terminal TE 3 of the emergency vehicle 1 remains inactive for a time period to be defined (i.e., if it does not communicate with the wireless access network 4 during a certain time period), said terminal TE 3 must subscribe again. The emergency vehicle 1 itself can also voluntarily end its subscription when it does not need to move in emergency. When the emergency vehicle 1 wants to subscribe again, it will do so by sending the same parameters as those indicated in S1 if a validity time period, set by the network 4 according to configuration, associated to said emergency vehicle 1, has passed. Steps S2, S3, S4 would be carried out without modification. If said time period had expired, the network would send the following parameters in subscription step S1:
    • the identifier of the TAPES service,
    • the temporary identifier IDEVTEMP of the emergency vehicle 1,
    • the current position of the emergency vehicle 1 and optionally, the circulating direction (a simple solution is to send two position measurements or two points).
  • In step S2 the network would check that said IDEVTEMP has not expired and therefore, the access to the service is assured. And there would be no modification in steps S3 and S4.
  • The solution described in the method object of the invention is valid for any vehicle which is not an emergency vehicle 1 without requiring anything other than such vehicle having the application loaded in the terminal TE and a GNSS receiver. In this case, the IDEV could be its license number and the IDEVPASS could be the reason for which the service is needed. For safety reasons, the activation (and therefore, the insertion in the database of the network in which the allowed pairs (IDEV, IDEVPASS) are registered) could be carried out from an emergency call center.

Claims (13)

  1. A method for improving the passage of emergency vehicles, wherein each emergency vehicle (1) subscribed to a service of traffic accident prevention for emergency services, TAPES service, provided by said method has:
    - means (2) for determining the position of the vehicle, and
    - a terminal TE (3), which can access a wireless access network (4) managing the TAPES service, connected to the means (2) for determining the position of the vehicle and with access to the information provided by said means (2);
    characterized in that said method comprises the following steps:
    a- the terminal TE (3) of the emergency vehicle (1) sends a request to the wireless access network (4) to subscribe to the TAPES service, sending the following data with said request:
    - the position of the emergency vehicle (1);
    - the identifier of the TAPES service which is being requested;
    - a unique identifier IDEV of the emergency vehicle (1);
    and optionally:
    - an access key IDEVPASS to the service for that IDEV;
    - the circulating direction;
    b- the wireless access network (4) checks the validation of the subscription of the terminal TE (3);
    c- the wireless access network (4) sends terminal TE (3) of the emergency vehicle (1):
    - a temporary identifier IDEVTEMP of said terminal TE (3);
    - the coordinates of reference points RPs (6) in which the terminal TE (3) must contact the wireless access network (4), when it approaches a certain distance;
    - identifiers IDRP of the RPs (6); and
    - the distance D to the RPs (6) which the terminal TE (3) must observe to contact the wireless access network (4);
    d- the terminal TE (3) of the emergency vehicle (1) periodically calculates the distance d from said vehicle (1) to the RPs (6), and in the event that d<=D for at least one of the RPs (6):
    - said terminal TE (3) sends the wireless access network (4) the position of the emergency vehicle (1), the identifier IDRP of the at least one RP (6) for which d<=D is met, the identifier IDEVTEMP and optionally the circulating direction of the vehicle (1);
    - the wireless access network (4) informs the remaining vehicles (7) which are located at a predetermined distance from the at least one RP (6) for which d<=D is met of the presence of the emergency vehicle (1).
  2. A method according to claim 1, wherein the remaining vehicles(7) circulating through the road network and participating in the TAPES service have means (10) for determining of the position and a terminal TE (11) with access to the wireless access network (4) and with access to the information provided by said means, characterized in that the network (4) informs said remaining vehicles (7) of the presence of the emergency vehicle (1) through their own terminals TE (11), sending them safety parameters which they must comply and optionally a message requiring a specific action from them.
  3. A method according to any of the previous claims, characterized in that the network periodically sends a new identifier IDEVTEMP to the emergency vehicle.
  4. A method according to any of the previous claims, characterized in that the emergency vehicle (1) sends the network (4) its position, its temporary identifier IDEVTEMP and optionally its circulating direction when such network requests it.
  5. A method according to any of the previous claims, characterized in that the emergency vehicle (1) subscribed to the TAPES service ends its subscription to said service in any of the following cases:
    - if said emergency vehicle (1) does not contact the network in a predetermined time period TEXP; or
    - if said emergency vehicle (1) sends the network a request for ending the subscription to the TAPES service.
  6. A method according to the previous claim, wherein the emergency vehicle has voluntarily ended its subscription, characterized in that the terminal TE of the emergency vehicle sends the following data to the network to carry out a new subscription:
    - the position of the emergency vehicle (1);
    - the identifier of the TAPES service which is being requested;
    - the temporary identifier IDEVTEMP of said terminal TE;
    and optionally:
    - the circulating direction;
    the network (4) then checking that the validity period of said IDEVTEMP has not expired.
  7. A method according to any of the previous claims, characterized in that in the step d), and when d>D, the terminal TE (3) sends the network (4) the position of the emergency vehicle (1), its temporary identifier IDEVTEMP and optionally its circulating direction.
  8. A method for improving the passage of emergency vehicles, wherein each emergency vehicle (1) subscribed to a service of traffic accident prevention for emergency services, TAPES service, provided by said method has:
    - means (2) for determining the position of the vehicle, and
    - a terminal TE (3), which can access a wireless access network (4) managing the TAPES service, connected to the means (2) for determining the position of the vehicle and with access to the information provided by said means (2); characterized in that said method comprises the following steps:
    a- the terminal TE (3) of the emergency vehicle (1) sends a request to the wireless access network (4) to subscribe to the TAPES service, sending the following data with said request:
    - the position of the emergency vehicle (1);
    - the identifier of the TAPES service which is being requested;
    - a unique identifier IDEV of the emergency vehicle (1); and
    and optionally:
    - an access key IDEVPASS to the service for that IDEV;
    - the circulating direction;
    b- the wireless access network (4) checks the validation of the subscription of the terminal TE (3);
    c- the wireless access network (4) sends terminal TE (3) of the emergency vehicle (1):
    - a temporary identifier IDEVTEMP of said terminal TE (3);
    d- the terminal TE (3) of the emergency vehicle (1) periodically sends the wireless access network (4):
    - the identifier IDEVTEMP;
    - the position of the emergency vehicle (1); and optionally
    - the circulating direction of the emergency vehicle (1).
    e- the network (4) calculates the distance d from the emergency vehicle (1) to reference points RPs (6) located in the road network, and in event that d<=D for at least one of the RPs (6), the wireless access network (4) informs the remaining vehicles (7) which are located at a predetermined distance from the at least one RP (6) for which d<=D is met of the presence of the emergency vehicle (1).
  9. A method according to claim 8, wherein the remaining vehicles (7) circulating through the road network and participating in the TAPES service have means (10) of for determining the position and a terminal TE (11) with access to the wireless access network (4) and with access to the information provided by said means, characterized in that the network (4) informs said remaining vehicles (7) of the presence of the emergency vehicle (1) through their own terminals TE (11), sending them safety parameters which they must comply with and optionally a message requiring a specific action from them.
  10. A method according to any of claims 8 to 9, characterized in that the network periodically sends a new identifier IDEVTEMP to the emergency vehicle.
  11. A method according to any of claims 8 to 10, characterized in that the emergency vehicle (1) sends the network (4) its position, its temporary identifier IDEVTEMP and optionally its circulating direction when such network requests it.
  12. A method according to any of claims 8 to 11, characterized in that the emergency vehicle (1) subscribed to the TAPES service ends its subscription to said service in any of the following cases:
    - if said emergency vehicle (1) does not contact the network in a predetermined time period TEXP; or
    - if said emergency vehicle (1) sends the network a request for ending the subscription to the TAPES service.
  13. A method according to the previous claim, wherein the emergency vehicle has voluntarily ended its subscription, characterized in that the terminal TE of the emergency vehicle sends the following data to the network to carry out a new subscription:
    - the position of the emergency vehicle (1);
    - the identifier of the TAPES service which is being requested;
    - the temporary identifier IDEVTEMP of said terminal TE;
    and optionally:
    - the circulating direction;
    the network (4) then checking that the validity period of said IDEVTEMP has not expired.
EP07380280A 2006-10-20 2007-10-18 Method for improving the passage of emergency vehicles Not-in-force EP1914699B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES200602682A ES2320067B1 (en) 2006-10-20 2006-10-20 METHOD FOR IMPROVING EMERGENCY VEHICLE TRANSIT.

Publications (3)

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EP1914699A2 true EP1914699A2 (en) 2008-04-23
EP1914699A3 EP1914699A3 (en) 2011-01-19
EP1914699B1 EP1914699B1 (en) 2012-05-30

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ES (2) ES2320067B1 (en)

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Also Published As

Publication number Publication date
EP1914699B1 (en) 2012-05-30
EP1914699A3 (en) 2011-01-19
ES2387823T3 (en) 2012-10-02
ES2320067A1 (en) 2009-05-18
ES2320067B1 (en) 2010-02-25

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