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WO2001089250A1 - Procede de transfert d'appel d'urgence - Google Patents

Procede de transfert d'appel d'urgence Download PDF

Info

Publication number
WO2001089250A1
WO2001089250A1 PCT/DE2001/000095 DE0100095W WO0189250A1 WO 2001089250 A1 WO2001089250 A1 WO 2001089250A1 DE 0100095 W DE0100095 W DE 0100095W WO 0189250 A1 WO0189250 A1 WO 0189250A1
Authority
WO
WIPO (PCT)
Prior art keywords
emergency call
terminal
signal
emergency
position data
Prior art date
Application number
PCT/DE2001/000095
Other languages
German (de)
English (en)
Inventor
Stefan Prange
Original Assignee
Siemens Aktiengesellschaft
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 Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO2001089250A1 publication Critical patent/WO2001089250A1/fr

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/016—Personal emergency signalling and security systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/50—Connection management for emergency connections

Definitions

  • the invention relates to an emergency call transmission method and a method for operating a terminal in order to carry out the emergency call transmission method with the terminal.
  • the invention relates to a program for carrying out the method on the terminal and a corresponding terminal for carrying out the emergency call transmission method ,
  • emergency call functions are particularly desirable, which work independently according to a “ripcord principle” regardless of where they are.
  • the emergency call can in principle be made to an emergency call center via the respective radio network.
  • the problem with this solution is that you have to rely on the device being logged on to the network when an emergency call is made. Since the devices can be taken to any location by the respective user according to their intended use, this cannot always be guaranteed even when the device is switched on.
  • underground stations in heavily shielding larger buildings, in tunnels, but also e.g. B. in crevasses or similar situations, often no network connection is possible.
  • an emergency call function is triggered on the terminal, whereupon the terminal, unless it can send an emergency call signal directly to an emergency call center itself, sends an emergency call signal via an interface to a second terminal.
  • a standard interface which is usually located anyway on modern end devices and is usually relatively short-range and is used for communication with other end devices, is used to send the emergency call.
  • the interface can be any interface, for example an IR or ultrasound interface.
  • it is preferably a radio interface, for example a so-called Bluetooth interface, since such an interface also works without alignment or without visual contact between the terminals.
  • end device * is understood to mean any device with a suitable interface that is able to communicate with other end devices via this interface.
  • the second terminal When the emergency call signal is sent out via the interface, the second terminal is informed of the emergency situation of the user of the first terminal. Depending on whether this second device is already able to establish a connection to an emergency call center or not, the second device sends an appropriate emergency call signal directly to the emergency call center or to a third device.
  • a multi-stage search is carried out via the corresponding interfaces of different end devices and an emergency call chain or an emergency call network is set up until at least one end device is found which can forward the emergency call to an emergency call center.
  • the forwarding of the emergency call to the emergency call center can take place, for example, via a mobile radio network in which one of the terminal devices involved is logged on. However, it can of course also be a different radio connection or, in particular in the case of a fixed terminal, a fixed network connection.
  • the emergency call center can be, for example, a police station or a special emergency call service within a mobile radio network or the like.
  • the localization can in principle be carried out within the radio network used.
  • GPS Global Positioning System
  • the interface automatically determines whether the Position data of the second terminal are known or can be determined. Depending on whether the position data of the second terminal is known or ascertainable or not, an emergency call signal is then forwarded from the second device to a third device and a search is made for position data here.
  • the multi-stage search is then carried out in this way via the various end devices and an emergency call chain or an emergency call network is in turn set up using the short-range interfaces until at least one end device is found whose position data is known or can be determined. Then the position data or the data of the respective end device required for position data determination are forwarded together with the emergency call signal to the emergency call center.
  • the position data can be determined in any way.
  • a terminal can be a stationary terminal whose position data are exactly known.
  • the terminal in question determines the position data using one of the location methods mentioned above in the radio network or by GPS.
  • the radio network itself can determine the position data of the respective device, which finally sends the emergency call signal via the radio network to the emergency call center, and forward it to the emergency call center, or to
  • the position data determined by the network can also be transmitted to the terminal and forwarded from there to the emergency call center.
  • this possibility of position determination by the network will presumably be possible without any problems in future mobile radio networks.
  • the position can therefore be determined at least for the terminal device which ultimately sends the emergency call to the emergency call center.
  • the relatively short range of the interface is used positively, since, due to the short range, it can be assumed that the location is relatively precise, unless too many items are involved in the emergency call chain.
  • this data can be the subscriber number of the terminal device which sends the emergency call signal to the emergency call center.
  • the emergency call center can then call back to this terminal and ask the user where he is currently. This is particularly useful if the position data can only be determined roughly automatically because, for example, the mobile radio network is very wide-meshed in the area in question.
  • the method according to the invention is, of course, the more successful the more terminals with a standardized interface are available. It is particularly advantageous here if there are as many stationary terminals as possible, the positions of which are known exactly and which have a direct connection to an emergency call center.
  • stationary devices are to be understood, for example, as devices permanently installed in rail wagons or in similar moving but localizable locations.
  • a terminal device that receives an emergency call signal sends a response signal to the terminal device that sent the received emergency call signal.
  • an emergency call network or an emergency call chain can be set up, in which bidirectional communication is possible between all the end devices involved, and thus information about the set up chain to the senders that is only involved later. be sent back to the end devices.
  • This response signal from the terminal preferably includes the position data or other data required for determining the position data and / or the specification of the possibility of a further transmission of the emergency call by this terminal.
  • a terminal which has sent an emergency call signal sends the emergency call signal again after a certain period of time after the transmission of the emergency call signal, without an answer signal being received from another terminal. It makes sense to choose an increased transmission power.
  • the current Bluetooth standard assumes a normal transmission power of 1 mW, which achieves a range of approx. 10 m.
  • the amplified transmission power could, for example, be 100 mW, whereby a range of approx. 100 m can be achieved.
  • the first terminal device In the case of the first terminal device originally sending the emergency call in particular, it makes sense for the emergency call signal to be retransmitted at intervals despite the receipt of a response signal. This can take place at regular time intervals, but also with increasing time intervals or with increasingly shorter time intervals. This continuous transmission of the emergency signal makes it far from the Hel ⁇ who seek help calling person to determine the terminal via a bearing the exact location from which originated the emergency call. In this case, the terminal could also be used as a direction finder to search for missing persons in collapsed buildings, in avalanches, crevasses or the like.
  • An identifier of the respective sending terminal for example the subscriber number of a mobile radio network, is preferably added to the emergency call signal when it is sent.
  • the emergency call signal is forwarded together with the number of forwardings so far or the identifiers of the previous terminals that have already been added or the information about the respective transmission power. All of this information can help to carry out the localization as accurately as possible by appropriate evaluation. Any other data that can help with localization can also be transmitted.
  • information about the accuracy of this position data is preferably also transferred, so that when position data should be available from several terminals within the built-up emergency call network or the emergency call chain, exactly the position data is used that allow the best localization.
  • Another option for optimizing this process is that when an emergency call is sent, the respective device first checks whether there are permanently installed devices in the vicinity. rate with an appropriate interface there. This fe ⁇ stinstall elected devices are located very closely in general. Among these stationary devices reached, a device with an existing network connection is then searched for. Mobile devices are only included in the emergency call network or in the emergency call chain if there are no stationary devices with precise position data.
  • a method for operating a corresponding terminal which has means for triggering an emergency call and a short-range interface, for example a Bluetooth radio interface, for receiving or sending emergency signals or response signals is described in claim 12.
  • This can be any end device with a corresponding standardized interface and, for example, a simple button to trigger the emergency call.
  • permanently installed devices with an appropriate interface, for example computers, vending machines, cash registers, control stations, door openers or also emergency call devices specially installed for this purpose are also suitable. The only requirement is that these devices have means so that when an emergency call is triggered at the terminal itself or when an emergency call is received via the interface of the terminal, the emergency call function according to the invention is carried out automatically.
  • a simple terminal can also be used to trigger the emergency call, which essentially consists only of an emergency call button or the like, a suitable interface and corresponding other means for sending the emergency call to other terminals.
  • a simple device can also be equipped with means for receiving a response signal from another terminal and corresponding software for “management * of different response signals and the further emergency call signals to be transmitted as a function thereof.
  • Such special emergency devices are particularly inexpensive. Since they are only put into operation when the emergency call is triggered and only need energy in an emergency, they can be equipped with a simple battery.
  • terminal devices that can also be used to forward emergency calls from other devices must be charged regularly, since energy is constantly used to maintain readiness to receive.
  • a simple emergency call function it is first determined whether a connection to an emergency call center can be established or whether there is a permanent connection to the emergency call center. If the connection to an emergency call center can be established, the emergency call is immediately forwarded to the emergency call center. If, on the other hand, the terminal device is not able to or cannot establish a connection to an emergency call center, an emergency call signal is sent to another terminal device which can be reached via the short-range interface.
  • the emergency call is immediately forwarded to the emergency call center together with the data.
  • the terminal If position data or data required for position data determination are known, but the terminal, however, is not able to or cannot establish a connection to an emergency call center, the data is sent back to the terminal with a response signal from which the emergency call signal was received, if the emergency call was not triggered directly on this end device itself. Alternatively or additionally, the data with the emergency call signal is sent to another terminal that can be reached via the short-range interface.
  • an emergency call signal is sent to other end devices and, on receipt of a response signal from one of the other end devices, which contains position data or data required for position data determination, the emergency call is then forwarded again to the emergency call center together with the data.
  • an emergency call signal is simply sent to other end devices and when a response signal is received from another end device that contains position data or data required for position data determination, this data becomes like - That is, either sent back to the terminal with a response signal from which the emergency call signal was received, and / or again sent an emergency call signal with the data to other terminals. If this is a case in which the emergency call signal was received by another terminal, the terminal in question here only functions as a switching station.
  • the terminal requires a suitable emergency call or response signal generator, with which an emergency call signal or a response signal is generated in accordance with the information available.
  • the terminal can have a memory with different response signals from which the respective response signal is selected.
  • these components can also be standard components that are otherwise used for other functions of the device.
  • the emergency call function in the device using a corresponding software program.
  • This program can, for example, be fixed in the respective terminal, e.g. B. a mobile phone, be stored.
  • it can also be a program on a data carrier readable by the device, for example on a SIM card or similar data carrier.
  • the terminal device interrupts other ongoing functions as far as possible while the emergency call function is being executed. This means that when an emergency call is triggered or an emergency call signal is received from another terminal, the emergency call function is treated with the highest priority over other ongoing functions.
  • a terminal device which receives an emergency call signal from another device signals this to the respective user by means of a corresponding alarm, for example optical, acoustic or vibration alarm.
  • Corresponding data which could help in locating the person calling for help, can also be output, for example, on a display or a voice output.
  • the emergency signal can also provide information about the type of the desired Help or via a special emergency call center to be informed. In particular, this can also contain information as to whether first aid by everyone is desired or whether only help from a special service facility is actually required.
  • This information can also be used to control the priority with which a device integrated within the emergency call network or the emergency call chain treats the emergency call and whether signaling to the user himself is carried out at all.
  • the single figure shows a schematic image of a transmission of an emergency call with simultaneous localization of the emergency location by a network of several Bluetooth-enabled terminals.
  • an emergency call is first triggered on a first mobile Bluetooth-capable terminal 1.
  • this first terminal 1 is not connected to a wide-area network, for example a mobile radio network, and cannot log into a network either.
  • the first terminal 1 transmits via the Bluetooth interface B1 to all Bluetooth-capable terminals within it Range R1 an emergency signal and waits for a corresponding response signal. If there is no response signal, the terminal 1 sends an emergency signal again, possibly with a higher transmission power.
  • the incoming response signals are first examined to determine whether they are stationary Bluetooth devices, of which either the exact position can be queried and then attached to an emergency call, for example by logging into a mobile network, or - if this is not possible - Forward the emergency call with the position information to other end devices via the Bluetooth interface. If the stationary device itself has a connection to an emergency call center, the emergency call with the position data is automatically forwarded by it.
  • a third and a fourth terminal 3, 4 are within the range R2 of the called terminal 2, the third terminal 3 being a stationary terminal which knows its position data exactly, but has no network connection.
  • the fourth terminal 4 does not know its position data, but has the option of connecting to an emergency call center 6 via a mobile radio network. This means that it is, for example, a mobile radio device that is currently logged into the network. Therefore, the called from the second terminal 2 third terminal 3 sen ⁇ det with a response signal via the Bluetooth interface B3, the position data to the terminal 2 returns, in turn, to the position data received via the Bluetooth interfaces B2, B4 of the two devices 2, 4 the terminal 4 transmits. In addition, the third terminal 3 also tries to reach other terminals within its range R3, which can forward the emergency call together with the position data.
  • the fourth terminal 4 finally forwards the position data of the terminal 3 received via the terminal 2 with the emergency call signal via the radio interface F of the mobile radio network to the next base station 5, which in turn ensures forwarding to an emergency call center 6.
  • each emergency call signal is expediently provided with a
  • Identification of the end device that triggered the emergency call is also the exact time, the transmission power with which the emergency call signal was sent, the number of forwardings and the identifier, transmission powers and other other information of the intermediary end devices.
  • the route of the respective emergency call within the established emergency call network or the emergency call chain can then be tracked from the entire information in the emergency call center and the localization can thus be facilitated.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Public Health (AREA)
  • Computer Security & Cryptography (AREA)
  • Alarm Systems (AREA)
  • Telephonic Communication Services (AREA)

Abstract

L'invention concerne un procédé de transfert d'appel d'urgence, selon lequel une fonction appel d'urgence est déclenchée au niveau d'un premier terminal. Si aucune liaison directe ne peut être établie avec une centrale d'appel d'urgence, un signal d'appel d'urgence est envoyé à un autre terminal par une interface. ET ainsi de suite à l'aide de plusieurs terminaux et des interfaces correspondantes tant qu'une chaîne ou qu'un réseau d'appels d'urgence est établi(e), jusqu'à ce que l'appel d'urgence soit retransmis par au moins un des terminaux à une centrale d'appels d'urgence.
PCT/DE2001/000095 2000-05-18 2001-01-11 Procede de transfert d'appel d'urgence WO2001089250A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10024482.3 2000-05-18
DE10024482 2000-05-18

Publications (1)

Publication Number Publication Date
WO2001089250A1 true WO2001089250A1 (fr) 2001-11-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2001/000095 WO2001089250A1 (fr) 2000-05-18 2001-01-11 Procede de transfert d'appel d'urgence

Country Status (1)

Country Link
WO (1) WO2001089250A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004040934A1 (fr) * 2002-10-31 2004-05-13 Siemens Aktiengesellschaft Procede de localisation
US8218748B2 (en) 2006-07-24 2012-07-10 Hewlett-Packard Development Company, L.P. Telephone call chaining
US11436907B2 (en) 2011-06-22 2022-09-06 Thinkware Corporation Safety service system and method thereof

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4539706A (en) * 1983-02-03 1985-09-03 General Electric Company Mobile vehicular repeater system which provides up-link acknowledgement signal to portable transceiver at end of transceiver transmission
US4611198A (en) * 1985-09-19 1986-09-09 Levinson Samuel H Security and communication system
WO1992016077A1 (fr) * 1991-03-05 1992-09-17 Motorola, Inc. Radio pouvant effectuer une selection automatique de systeme en cas d'urgence
US5223816A (en) * 1992-01-17 1993-06-29 Levinson Samuel H Security and communication system with location detection
EP0689303A1 (fr) * 1994-05-25 1995-12-27 Alcatel Bell-Sdt S.A. Système de communication mobile TDMA avec communication simultanée entre base et mobiles à une première fréquence et entre mobiles à une seconde
US5646606A (en) * 1991-05-30 1997-07-08 Wilson; Alan L. Transmission of transmitter parameters in a digital communication system
JPH10112680A (ja) * 1996-08-14 1998-04-28 Nippon Denki Ido Tsushin Kk 緊急通報システム
WO1999014897A2 (fr) * 1997-09-17 1999-03-25 Telefonaktiebolaget Lm Ericsson (Publ) Picoreseaux a saut de frequence dans un systeme multi-utilisateur radio non coordonne

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4539706A (en) * 1983-02-03 1985-09-03 General Electric Company Mobile vehicular repeater system which provides up-link acknowledgement signal to portable transceiver at end of transceiver transmission
US4611198A (en) * 1985-09-19 1986-09-09 Levinson Samuel H Security and communication system
WO1992016077A1 (fr) * 1991-03-05 1992-09-17 Motorola, Inc. Radio pouvant effectuer une selection automatique de systeme en cas d'urgence
US5646606A (en) * 1991-05-30 1997-07-08 Wilson; Alan L. Transmission of transmitter parameters in a digital communication system
US5223816A (en) * 1992-01-17 1993-06-29 Levinson Samuel H Security and communication system with location detection
EP0689303A1 (fr) * 1994-05-25 1995-12-27 Alcatel Bell-Sdt S.A. Système de communication mobile TDMA avec communication simultanée entre base et mobiles à une première fréquence et entre mobiles à une seconde
JPH10112680A (ja) * 1996-08-14 1998-04-28 Nippon Denki Ido Tsushin Kk 緊急通報システム
WO1999014897A2 (fr) * 1997-09-17 1999-03-25 Telefonaktiebolaget Lm Ericsson (Publ) Picoreseaux a saut de frequence dans un systeme multi-utilisateur radio non coordonne

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 09 31 July 1998 (1998-07-31) *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004040934A1 (fr) * 2002-10-31 2004-05-13 Siemens Aktiengesellschaft Procede de localisation
US8218748B2 (en) 2006-07-24 2012-07-10 Hewlett-Packard Development Company, L.P. Telephone call chaining
US11436907B2 (en) 2011-06-22 2022-09-06 Thinkware Corporation Safety service system and method thereof
US12020549B2 (en) 2011-06-22 2024-06-25 Thinkware Corporation Safety service system and method thereof

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