EP1061488A1 - Réseau d'appel d'urgence pour voie de transport - Google Patents
Réseau d'appel d'urgence pour voie de transport Download PDFInfo
- Publication number
- EP1061488A1 EP1061488A1 EP00401694A EP00401694A EP1061488A1 EP 1061488 A1 EP1061488 A1 EP 1061488A1 EP 00401694 A EP00401694 A EP 00401694A EP 00401694 A EP00401694 A EP 00401694A EP 1061488 A1 EP1061488 A1 EP 1061488A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- radio
- network
- stations
- station
- emergency
- 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
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Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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
Definitions
- a emergency call network comprising a plurality of call stations emergency (PAU) and at least one rescue center, linked to PAU and intended to process the calls received in order to dispatch help to the place of the accident and / or report the difficulty (accident, slowdown, traffic jam) motorway users.
- PAU call stations emergency
- rescue center linked to PAU and intended to process the calls received in order to dispatch help to the place of the accident and / or report the difficulty (accident, slowdown, traffic jam) motorway users.
- ERPs are stations telephone with microphone, speaker and button emergency center call center.
- PAU radio transmitters / receivers intended to receive emergency calls from on-board radio transmitters / receivers in motor vehicles.
- some cellular mobile operators offer an emergency service, with an emergency number that holders can call to request help or report a difficulty on a road or highway.
- the present invention provides an emergency radio call network less polluting.
- the invention relates to an emergency call network for at least a transport route, comprising a plurality of radio reception stations emergency calls from mobile radio transmitters, each station radio covering an associated topographic cell and extending over the minus a radiation lobe, and a call management center emergency, connected to the plurality of radio sets, network characterized by the fact that the radio sets are arranged in a chain, along the track transport, and the radio station cell lobes are elongated in the direction of the transport route.
- the coverage area geographic of the emergency call network is laterally limited, along of the transport route and therefore only very locally interferes with the other radiotelephony networks. Radio pollution is therefore geographically limited.
- each radio station cell comprises two lobes substantially symmetrical to each other with respect to the radio.
- the respective lobes adjacent to two positions of any pair neighboring posts partially overlap.
- the radio sets are linked to the management center through a cellular telephone network.
- the cellular telephone network comprising a plurality of transmitter / receiver base stations, each base station is connected to the radio sets with an associated rosary portion and the respective radio stations of two rosary portions of any pair of neighboring rosary portions use two respective radio frequencies separate from each other.
- the calling network uses only two operational radio frequencies, the radio pollution is also limited in frequency. Furthermore, it is therefore easier for the operator of this network to obtain radio frequencies of a public cellular telephone network, for example GSM. In this case, emergency calls could be made using standard GSM phones.
- GSM public cellular telephone network
- the radio sets are linked to the base stations by optical fiber.
- the emergency call network for the transport route in this case a Highway 30, provides users of this Highway 30, equipped with mobile telephones of a first cellular telephone network, here GSM, not shown, an emergency call service, allowing them to report the presence of a difficulty (accident, traffic jam, ...) on Highway 30 or to ask for help.
- GSM first cellular telephone network
- the emergency call network includes a plurality of radio sets 1a, 1b for receiving emergency calls, a second cellular telephone network GSM 10 and a center 14 for emergency call management.
- Stations 1a, 1b are intended to receive emergency calls, issued by mobile phones of the first GSM network, of highway users 30, and to forward these calls to the management center 14, through the second cellular network 10.
- the cellular network 10 comprises, conventionally, a plurality of fixed stations BTS 11a, 11b (Base Transceiver Station - Base station transmitter / receiver), a switching station BSC 12 (Base Station Controller), connecting the stations together BTS 11a, 11b, and a switching center MSC 13 (Mobile Switching Center - mobile switching center), connected to the BSC 12 station.
- BTS 11a, 11b Base Transceiver Station - Base station transmitter / receiver
- BSC 12 Base Station Controller
- MSC 13 Mobile Switching Center - mobile switching center
- the radio sets 1a, 1b are arranged in a chain along Highway 30.
- the string of posts 1a, 1b is divided into a plurality of portions of string 2a, 2b, respectively associated with the plurality of BTS stations 11a, 11b and each comprising here eleven stations 1a, 1b.
- Each BTS 11a station (11b) is connected to the stations 1a (1b) of the rosary portion 2a (2b) associated, by an optical interface and optical fibers, and located at proximity to the central station 1a (1b) of this strand portion 2a (2b), two groups of five stations 1a (1b) being respectively arranged on the side and other from this central station.
- the base stations 11a, 11b are thus located substantially near the middle of their rosary portion associated 2a, 2b.
- the two stations 1a, 1b of any pair of neighboring stations are spaced from each other by a distance here substantially equal to two kilometers.
- the length of each portion of rosary 2a, 2b is therefore approximately twenty-two kilometers.
- Each post 1a (1b) covers an associated topographic area 5a (5b), or "micro” cell, extending here over two radiation lobes 3a, 4a (3b, 4b), elongated in the direction of highway 30 and substantially symmetrical one on the other with respect to item 1a.
- elongated lobe in the direction of Highway 30 means that the axis of symmetry of lobe 3a, 4a, passing through the radiation center where station 1a is located, is substantially parallel to the direction of the transport track 30.
- the lobes 3a, 4a, 3b, 4b respective neighbors of two stations 1a, 1b of any pair of stations neighbors partly overlap.
- the respective radio stations 1a, 1b of two strand portions 2a, 2b of any pair of neighboring strand portions use two respective radio frequencies, f 1 and f 2 , distinct from each other.
- the radio stations 1a (1b), associated with a base station 11a (11b) use a frequency different from that used by the radio stations associated with the neighboring base station or stations 11b (11a). Thanks to this, interference between neighboring cells 6a, 6b of the base station is avoided.
- the neighboring radio stations 1a (1b) of this cell 6a (6b) operate in pseudo iso-frequency.
- the operational frequencies of the emergency call network, f 1 and f 2 belong to the operational frequency range of the first GSM network, the mobile telephones of this first GSM network thus being able to use the call network of 'emergency.
- the BTS stations 11a, 11b ensure the continuity of communication from one mobile phone moving from one micro cell 5a, 5b to another micro cell 5a, 5b, inside the same cell 6a (6b) of BTS station 11a (11b).
- the BSC 12 station ensures the continuity of a communication from a mobile phone moving from cell 2a of BTS station 6a to another cell 2b of BTS station 6b.
- the MSC 13 switching center is connected to a third network 40, in this case the PSTN, wired switched telephone network, and houses an HLR (Home Location Register), constituting a database of residents of the emergency call network, and a VLR register (Visitor Location Register), constituting a database of visitors to the emergency call network.
- HLR Home Location Register
- VLR Visitor Location Register
- the emergency call management center 14 comprises a plurality of telephone terminals for receiving emergency calls and a PABX, connected to the telephone network 40 and to the terminals telephone calls.
- a specific emergency telephone number is assigned to Highway 30 emergency call service.
- mobile of the first GSM network located in the network coverage area emergency call, dial the emergency number, the call is transmitted, through the emergency call network, to the PABX of the management center 14, which directs the call to one of the terminals telephone calls.
- a human operator then takes the call and processes it.
- the MSC center 13 connected to the management center 14 by the telephone network 40, is intended to establish telephone communications between mobile phones of the first GSM network, located in the area of emergency call network coverage, and management center 14.
- a highway user dials the emergency number, at using a mobile phone from the first GSM network.
- the call is received by the extension 1a, covering the micro cell in which the telephone is located.
- the extension 1a retransmits the call, through the second cellular network 10, to the management center 14.
- the switch of the management center 14 needle the call to one of the telephone terminals.
- An operator then takes the emergency call in order to communicate with the calling user, by a two-way telephone communication between the mobile phone and the terminal.
- the user informs the operator of the presence of the difficulty on Highway 30, so that he alerts the emergency services.
- this BTS 11a station ensures continuity of communication.
- the switching station BSC 12 ensures continuity of communication.
- the calling network covers a plurality of 130A-130D transport routes.
- transport route there is a string 107A (107B-107D) of radio stations for receiving emergency calls, a plurality of BTS stations 111a, 111b, each linked to the radio stations with a portion of a rosary associated, and a BSC station 112A, connected to BTS stations 111a, 111b, as described in the first embodiment.
- the different stations BSC 112A-112D, respectively associated with the different transport 130A-130D are connected to the same switching center MSC 113, connected to a telephone network, not shown, to which is connected to an emergency call management center.
- two strings 207A and 207B, main and secondary, of radio sets for receiving emergency calls placed along the transport route, respectively on the two opposite sides thereof.
- Each radio set in the secondary rosary is connected to the cellular network of the calling network emergency, and therefore to the emergency call management center, by via an associated radio station in the main rosary.
- Both Associated positions, main and secondary are located here substantially in look at each other and connected to each other by radio link. We could also consider connecting two associated radios, main and secondary, by any other type of link, for example wired or fiber optical.
- each station radio consists of two radiation lobes. We could consider that it includes only one lobe, the lobes of all the positions radio covering the transport route. Neighboring lobes could partially cover.
- the emergency call network could also include a system of mobile phone location, arranged to exploit an offset of phase between, on the one hand, a signal transmitted between a BTS station and a first radio, and, on the other hand, a signal transmitted between this same BTS station and a second radio station, close to the first, taking into account the difference of the paths of these two signals through the optical fibers, for determine the micro cell, associated with one of the two radio sets considered, in which the mobile phone is located.
- a system of mobile phone location arranged to exploit an offset of phase between, on the one hand, a signal transmitted between a BTS station and a first radio, and, on the other hand, a signal transmitted between this same BTS station and a second radio station, close to the first, taking into account the difference of the paths of these two signals through the optical fibers, for determine the micro cell, associated with one of the two radio sets considered, in which the mobile phone is located.
- the emergency call center could be linked to the MSC center by a direct link, radio or wire, or by the first cellular network mobile phones capable of using the emergency call network, or by any other communication network, wired or cellular.
- the MSC center of the emergency call network could be connected to other communication networks and act as gateway between the emergency call network and these other networks of communication.
- the radio stations of the emergency call network could be arranged to receive emergency calls from radio transmitters or radio transmitters / receivers dedicated to the emergency call network, on board in motor vehicles traveling on the transport route.
- the emergency call network serves a highway.
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
- la figure 1 représente une vue du réseau d'appel d'urgence, selon une première forme de réalisation de l'invention;
- la figure 2 représente une vue schématique d'un chapelet de postes de réception d'appels d'urgence, avec leurs lobes de rayonnement, du réseau de la figure 1;
- la figure 3 représente une vue du réseau d'appel d'urgence, selon une deuxième forme de réalisation de l'invention, et
- la figure 4 représente une vue de deux chapelets de postes de réception d'appels d'urgence du réseau d'appel d'urgence, selon une troisième forme de réalisation de l'invention.
Claims (9)
- Réseau d'appel d'urgence pour au moins une voie de transport (30), comprenant une pluralité de postes radio (1a, 1b) de réception d'appels d'urgence émis par des émetteurs radio mobiles, chaque poste radio (1a, 1b) couvrant une cellule topographique associée (5a, 5b) et s'étendant sur au moins un lobe de rayonnement (3a, 4a, 3b, 4b), et un centre (14) de gestion des appels d'urgence, relié à la pluralité de postes radio (1a, 1b), réseau caractérisé par le fait que les postes radio (1a, 1b) sont disposés en chapelet, le long de la voie de transport (30), et les lobes (3a, 4a, 3b, 4b) des cellules de poste radio sont allongés dans le sens de la voie de transport (30).
- Réseau selon la revendication 1, dans lequel chaque cellule (5a, 5b) de poste radio (1a, 1b) comprend deux lobes (3a, 4a, 3b, 4b) sensiblement symétriques l'un de l'autre par rapport au poste radio (1a, 1b).
- Réseau selon la revendication 2, dans lequel les lobes respectifs voisins (3a, 4a, 3b, 4b) de deux postes (1a, 1b) de toute paire de postes voisins se recouvrent en partie.
- Réseau selon l'une des revendications 1 à 3, dans lequel les postes radio (1a, 1b) sont reliés au centre de gestion (14) par un réseau téléphonique cellulaire (10).
- Réseau selon la revendication 4, dans lequel, le réseau téléphonique cellulaire (10) comportant une pluralité de stations de base émettrices/réceptrices (11a, 11b), chaque station de base (11a, 11b) est reliée aux postes radio (1a, 1b) d'une portion de chapelet associée (2a, 2b) et les postes radio respectifs (1a, 1b) de deux portions de chapelet (2a, 2b) de toute paire de portions de chapelet voisines utilisent deux fréquences radio respectives distinctes l'une de l'autre.
- Réseau selon la revendication 5, dans lequel les postes radio (1a, 1b) sont reliés aux stations de base (11a, 11b) par des fibres optiques.
- Réseau selon la revendication 6, dans lequel chaque station de base (11a, 11b) est située sensiblement au voisinage du milieu de la portion de chapelet associée (2a, 2b).
- Réseau selon l'une des revendications 6 et 7, dans lequel il est prévu des moyens de localisation d'un téléphone mobile, agencés pour exploiter un décalage de phase entre, d'une part, un signal transmis entre l'une des stations de base et un premier poste radio associé, et, d'autre part, un signal transmis entre ladite station de base et un deuxième poste radio associé, afin de localiser un téléphone mobile dans la zone de couverture de l'un des deux postes radio.
- Réseau selon l'une des revendications 1 à 8, dans lequel il est prévu deux chapelets, principal (207A) et secondaire (207B), de postes radio de réception d'appels d'urgence, disposés le long de la voie de transport, chaque poste radio du chapelet secondaire étant relié au centre de gestion par l'intermédiaire d'un poste radio associé du chapelet principal.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9907530A FR2795213B1 (fr) | 1999-06-15 | 1999-06-15 | Reseau d'appel d'urgence pour voie de transport |
| FR9907530 | 1999-06-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1061488A1 true EP1061488A1 (fr) | 2000-12-20 |
| EP1061488B1 EP1061488B1 (fr) | 2004-03-03 |
Family
ID=9546783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20000401694 Expired - Lifetime EP1061488B1 (fr) | 1999-06-15 | 2000-06-15 | Réseau d'appel d'urgence pour voie de transport |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1061488B1 (fr) |
| DE (1) | DE60008632D1 (fr) |
| FR (1) | FR2795213B1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2905220A1 (fr) * | 2006-08-25 | 2008-02-29 | Cs Systemes D Information Sa | Poste d'appel d'urgence d'un reseau d'appel d'urgence a composants en eveil et en sommeil |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2267594A1 (fr) * | 1974-04-11 | 1975-11-07 | Tesla Np | |
| EP0704831A1 (fr) * | 1994-08-31 | 1996-04-03 | Toyota Jidosha Kabushiki Kaisha | Infrastructure pour un système de communication de véhicules |
| EP0789498A2 (fr) * | 1996-02-09 | 1997-08-13 | Ford Motor Company | Système d'appel d'urgance pour véhicule |
| WO1997034272A1 (fr) * | 1996-03-12 | 1997-09-18 | Citycom S.P.A. | Systeme de demande de signalisation/d'aide |
-
1999
- 1999-06-15 FR FR9907530A patent/FR2795213B1/fr not_active Expired - Fee Related
-
2000
- 2000-06-15 DE DE60008632T patent/DE60008632D1/de not_active Expired - Lifetime
- 2000-06-15 EP EP20000401694 patent/EP1061488B1/fr not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2267594A1 (fr) * | 1974-04-11 | 1975-11-07 | Tesla Np | |
| EP0704831A1 (fr) * | 1994-08-31 | 1996-04-03 | Toyota Jidosha Kabushiki Kaisha | Infrastructure pour un système de communication de véhicules |
| EP0789498A2 (fr) * | 1996-02-09 | 1997-08-13 | Ford Motor Company | Système d'appel d'urgance pour véhicule |
| WO1997034272A1 (fr) * | 1996-03-12 | 1997-09-18 | Citycom S.P.A. | Systeme de demande de signalisation/d'aide |
Non-Patent Citations (1)
| Title |
|---|
| SPITERI J C ET AL: "RAU 42 NOUVEAU RESEAU D'APPEL D'URGENCE", COMMUTATION ET TRANSMISSION,FR,SOTELEC. PARIS, vol. 12, no. 2, 1 January 1990 (1990-01-01), pages 69 - 80, XP000136356, ISSN: 0242-1283 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2905220A1 (fr) * | 2006-08-25 | 2008-02-29 | Cs Systemes D Information Sa | Poste d'appel d'urgence d'un reseau d'appel d'urgence a composants en eveil et en sommeil |
| EP1892685A3 (fr) * | 2006-08-25 | 2008-07-02 | CS Systemes d'Informations | Poste d'appel d'urgence d'un réseau d'appel d'urgence à composants en éveil et en sommeil |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2795213B1 (fr) | 2001-08-03 |
| EP1061488B1 (fr) | 2004-03-03 |
| DE60008632D1 (de) | 2004-04-08 |
| FR2795213A1 (fr) | 2000-12-22 |
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