EP1901256B1 - Procédé destiné à la transmission radio dans une cellule de système de détection des dangers - Google Patents

Procédé destiné à la transmission radio dans une cellule de système de détection des dangers Download PDF

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Publication number
EP1901256B1
EP1901256B1 EP06120817A EP06120817A EP1901256B1 EP 1901256 B1 EP1901256 B1 EP 1901256B1 EP 06120817 A EP06120817 A EP 06120817A EP 06120817 A EP06120817 A EP 06120817A EP 1901256 B1 EP1901256 B1 EP 1901256B1
Authority
EP
European Patent Office
Prior art keywords
radio cell
radio
transmission
central unit
main area
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.)
Not-in-force
Application number
EP06120817A
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German (de)
English (en)
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EP1901256A1 (fr
Inventor
Karlheinz Schreyer
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.)
Siemens AG
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Siemens AG
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 AG filed Critical Siemens AG
Priority to EP06120817A priority Critical patent/EP1901256B1/fr
Priority to ZA200707676A priority patent/ZA200707676B/xx
Priority to AU2007216688A priority patent/AU2007216688A1/en
Priority to JP2007239805A priority patent/JP4528816B2/ja
Priority to CA002602672A priority patent/CA2602672A1/fr
Priority to RU2007134594/11A priority patent/RU2007134594A/ru
Priority to BRPI0704037-7A priority patent/BRPI0704037A/pt
Priority to US11/857,032 priority patent/US20080070547A1/en
Publication of EP1901256A1 publication Critical patent/EP1901256A1/fr
Application granted granted Critical
Publication of EP1901256B1 publication Critical patent/EP1901256B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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
    • G08B25/10—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 using wireless transmission systems
    • 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
    • G08B25/007—Details of data content structure of message packets; data protocols
    • 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
    • G08B25/009—Signalling of the alarm condition to a substation whose identity is signalled to a central station, e.g. relaying alarm signals in order to extend communication range

Definitions

  • the invention relates to a method for radio transmission in a radio cell of a danger detection system according to the preamble of patent claim 1.
  • Radio hazard warning systems comprise a plurality of subscribers in a radio cell, such as, for example, notification sensors which, in the event of a detected danger (fire, burglary) transmit a danger message via a radio link to a radio cell center.
  • the transmission can be done directly to a central office (then the hazard detection system has only one radio cell) or via radio cell centers (so-called "cluster heads") as relay stations to the central office.
  • the main control center further measures (alerting the fire brigade or the police) can be initiated to eliminate the danger.
  • the alarm sensors comprise a transmitting and receiving device and should be as self-sufficient for use in inadequate locations, that is to be operated with a battery and not by a cable connection to a power grid.
  • the radio cells are relatively small (about 10 participants).
  • the possibly required connection of the radio cell center to the main center is often realized via conventional wiring. Due to the resulting large number of radio cells can hardly be spoken by a wireless system.
  • the time available for a radio cell having 30, 50 or 100 subscribers is usually divided into two time domains during radio transmission, wherein a system integrity of the radio cell is checked in a first time range and an exchange of data between the subscribers in a second time range and the radio cell center takes place.
  • a method for bidirectional radio transmission in a hazard detection system in which send peripheral elements as participants in a predetermined time of a system clock successively to a central office system integrity check a check signal, the control panel after receipt of the routine signal an acknowledgment signal to the peripheral elements for system synchronization sends out with the system clock, a ready-to-send peripheral element evaluates the radio communication between the other peripheral elements and the control center on the receipt of the acknowledgment signal and then transmits the detector data to be sent to the control center.
  • all timeslots have the same structure and even distribution. Due to the 100 second fault detection time specified by the EN 54 standard, one block of all time slots repeats after 30 seconds. To This half minute is thus detected no later than an irregularity in the radio cell. The hazard detection system will then have 60s of time to fix the problem.
  • a higher number of subscribers in a radio cell could be achieved by an increased data transmission rate, which, however, would be at the expense of sensitivity.
  • Another possibility would be to shorten the time slots, but this would increase the power consumption of the peripheral elements linearly and thus decrease the battery life accordingly.
  • the object is achieved by a method of the type mentioned above with the characterizing features of claim 1.
  • the invention before transmitting the detector data to the radio cell center or to other participants at least two participants whose routine signals are transmitted to the radio cell center.
  • the invention thus makes use of the knowledge that in the time range which is available for the transmission of detector data, often no detector data is transmitted, so that the proportion of this time range can be reduced.
  • the main office or the Radio cell centers can transmit information to the subscribers in the time domain after transmission of the routine signals.
  • Routine signals can be, for example, signals for checking the integrity of the radio cells or the hazard detection system, but also other system-relevant messages such as the subscribing or logging out of subscribers, the transmission of new routes, or the determination or transmission of connection qualities.
  • the communication between the radio cell centers and the participants is performed in periodically repeating time slots, these time slots are composed of a first main area for the transmission of the routine signals and a second main area for the transmission of the detector data.
  • This summary does not fragment the second main area available for the transmission of the detector data, so that, for example, longer telegrams can also be transmitted.
  • this knowledge of the peripheral elements can be used to synchronize, and thus a subscriber willing to send can determine the time of a possible transmission in the second main area determine.
  • collisions can be limited between participants willing to send, since fixed times are defined in the second main area, to which the participants willing to transmit their detector data and thus the number of parallel transmission attempts can be reduced.
  • FIG. 1 schematically a danger detection system of a first radio cell 1 and a second radio cell 2 is shown, wherein both radio cells 1, 2 communicate with a main center 3.
  • Three subscribers 1_1, 1_2, 1_3, 2_1, 2_2, 2_3 are shown for the first and the second radio cell (of course, there may be a lot more subscribers in the radio cells 1, 2, for example 30 to 100) and one each Radio cell center 1_Z, 2_Z.
  • the radio cell center is often referred to as a "cluster head".
  • the subscribers 1_1, 1_2, 1_3, 2_1, 2_2, 2_3 generally comprise in each case in a known manner detector-side transmitting and receiving devices for wireless communication with central transmitting and receiving devices of the radio cell center 1_Z, 2_Z (not shown) as well as detection devices, also not shown For example, infrared detectors for burglary detection, or smoke or heat sensors for fire detection.
  • Control elements are also provided as subscribers 1_1, 1_2, 1_3, 2_1, 2_2, 2_3; in this case, the detection device serves, for example, for detecting commands entered at an operating element which are for forwarding to the radio cell center 1_Z, 2_Z or to the main center 3 are provided.
  • the participants 1_1, 1_2, 1_3, 2_1, 2_2, 2_3 can also communicate with each other, as it is in Fig. 1 is shown by dashed connections by way of example.
  • the radio cell centers 1_Z, 2_Z also send information to the subscribers 1_1, 1_2, 1_3, 2_1, 2_2, 2_3, for example, acknowledgment signals, or requests to transmit specifically determined detector data, in order for example in the case of an event 1_1, 1_2, 1_3, 2_1, 2_2, 2_3 reported by a participant, neighboring subscribers 1_1, 1_2, 1_3, 2_1, 2_2, 2_3.
  • the radio cell centers 1_Z, 2_Z communicate wirelessly or by wire with the main center 3, in which the further processing of the danger message takes place. For example, in the event of a fire, the fire department can be alerted, any fire doors closed and an alarm signal in a building in which, for example, the smoke sensors are triggered.
  • FIG. 2 By way of example, a diagram for the transmission scheme between the radio cell centers 1_Z, 2_Z and the subscribers 1_1, 1_2, 1_3, 2_1, 2_2, 2_3 is shown. For example, if a block of 30s is used for the entire hazard detection system, then this block is divided into 20 timeslots 10 each of 1.5s duration. Each time slot 10 in this case has a first main area 11 for the system integrity check and a second main area 12 for a general telegram transmission between the participants 1_1, 1_2, 1_3, 2_1, 2_2, 2_3 and the radio cell centers 1_Z, 2_Z or between the participants with each other.
  • the first main area 11 in the example shown takes 0.5 s and offers space for three detector time slots 20, 21, 22 for the transmission of routine signals between three of the subscribers 1_1, 1_2, 1_3, 2_1, 2_2, 2_3 and the radio cell center 1_Z, 2_Z.
  • This first main area 11 is adjoined by the second main area 12 with a duration of 1 s.
  • the transmission of detector data (for example, a detected heat event of an infrared detector, or detected smoke from the smoke detector) takes place from the subscribers 1_1, 1_2, 1_3, 2_1, 2_2, 2_3 to the respective radio cell center 1_Z, 2_Z, or to others Attendees.
  • Radio cell center 1_Z, 2_Z can use this second main area 12 in order to communicate with the subscribers 1_1, 1_2, 1_3, 2_1, 2_2, 2_3, for example in order to initiate further subscribers for the detector data transmission, if an adjacent subscriber 1_1, 1_2, 1_3, 2_1 , 2_2, 2_3 has reported an event.
  • the radio cell center 1_Z, 2_Z then transmits this information, for example, to the central office 3, the communication between the radio cell center 1_Z, 2_Z can be wireless or wired.
  • a priority can also be transmitted, which is used for the subsequent detector data transmission and is taken into account in the case of high priority in the case of transmission wishes of several parties wishing to transmit in a collision resolution method.
  • the second main area 12 is followed by a further first main area 13, in which the routine signals of further (not shown here) participants of the radio cell are exchanged, followed by another second main area for the exchange of detector data, and so on until all participants 1_1, 1_2, 1_3 , 2_1, 2_2, 2_3 have transmitted their routine signals to the radio cell center 1_Z, 2_Z.
  • the first main area 11 can be adapted so that the duration of the individual detector time slots 20, 21, 22 to the Number of subscribers 1_1, 1_2, 1_3, 2_1, 2_2, 2_3 in the radio cell 1,2 is adjusted.
  • the individual detector time slots 20, 21, 22 are divided, for example, into a routine message slot 30 and an acknowledgment slot 31, the routine message slot 30 being, for example, 50 ms long and the acknowledgment slot 100 ms.
  • a sender transmits the sender side transceiver and a receiver of the central sender and receiver waits for the reception of the routine signal.
  • a transmitter of the central-side transmitting and receiving device sends an acknowledgment signal, and a receiver of the detector-side transmitting and receiving device waits for the receipt signal to be received.
  • a telegram for the routine signal is, for example 8 to 16 bits long, the acknowledgment signal of the radio cell center 1_Z, 2_Z, for example, 120 bits long.
  • the acknowledgment signal of the radio cell center 1_Z, 2_Z can also be carried out together at the end of the first main area 11 for all routine signals of this first main area 11, thereby saving further time since fewer acknowledgment signals are transmitted.
  • the subscribers 1_1, 1_2, 1_3, 2_1, 2_2, 2_3, in the case without transmission of detector data, switch on their transmitter only for the transmission of the routine signal and their receiver for the reception of the acknowledgment signal.
  • the individual detector time slots 20, 21, 22 are assigned to the participants 1_1, 1_2, 1_3, 2_1, 2_2, 2_3, since then the participants 1_1, 1_2, 1_3, 2_1, 2_2, 2_3 the times for switching on and off their transmitter and receiver are known. If all participants 1_1, 1_2, 1_3, 2_1, 2_2, 2_3 the fixed assignment of the detector time slots 20, 21, 22 is known, know the participants 1_1, 1_2, 1_3, 2_1, 2_2, 2_3 also the time for the transmission of the detector data and are thus synchronized with each other.
  • the second main area 12 can also be used in such a way that the participants 1_1, 1_2, 1_3, 2_1, 2_2, 2_3 are each assigned fixed times within the second main area 12 to which they start their detector data transmission. As a result, the number of collisions during the detector data transmission can be reduced from the outset.

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  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Alarm Systems (AREA)
  • Small-Scale Networks (AREA)
  • Selective Calling Equipment (AREA)
  • Telephonic Communication Services (AREA)

Claims (8)

  1. Procédé de transmission radio dans une cellule radio (1, 2) d'un système de signalisation de danger, dans lequel des usagers (1_1, 1_2, 1_3, 2_1, 2_2, 2_3) transmettent à une centrale de cellules radio (1_Z, 2_Z) des données de signalisation ainsi que des adresses identifiant les usagers (1_1, 1_2, 1_3, 2_1, 2_2, 2_3) pour que la centrale de cellules radio (1_Z, 2_Z) commande, sur la base des données de signalisation reçues, des mesures de lutte contre un danger, la transmission se faisant dans une trame temporelle prédéterminée par une horloge système associée à la centrale de cellules radio (1_Z, 2_Z) et les usagers (1_1, 1_2, 1_3, 2_1, 2_2, 2_3) envoyant périodiquement à la centrale de cellules radio (1_Z, 2_Z), dans la trame temporelle prédéterminée, dans un créneau temporel de signalisation associé (10), successivement un signal de routine pour le contrôle de l'intégrité du système, caractérisé en ce que, après la transmission du signal de routine par un premier usager (par exemple 1_1), au moins tout d'abord un deuxième usager (par exemple, 1_2) peut transmettre son signal de routine à la centrale de cellules radio (par exemple, 1_Z) et en ce que ce n'est qu'ensuite qu'un usager désireux d'émettre (par exemple 1_1) transmet ses données de signalisation à la centrale de cellules radio (par exemple, 1_Z) resp. à un autre usager (par exemple, 1_2).
  2. Procédé de transmission radio dans une cellule radio (1, 2) d'un système de signalisation de danger selon la revendication 1, caractérisé en ce que la trame temporelle est aménagée de manière telle que sont utilisés des créneaux temporels (10) qui se répètent périodiquement, lesquels sont réalisés à partir d'une première zone principale (11) et d'une deuxième zone principale (12), au moins deux usagers (par exemple, 1_1, 1_2) pouvant, dans les limites de la première zone principale (11), transmettre leurs signaux de routine à la centrale de cellules radio (par exemple, 1_Z) et la deuxième zone principale (12) étant disponible pour la transmission de données de signalisation.
  3. Procédé de transmission radio dans une cellule radio (1, 2) d'un système de signalisation de danger selon la revendication 2, caractérisé en ce que la première zone principale (11) est répartie en créneaux temporels de signalisation (20, 21, 22) et en ce qu'un créneau temporel de signalisation fixe (20, 21, 22) est associé à chaque usager (1_1, 1_2, 1_3, 2_1, 2_2, 2_3) dans le système de signalisation de danger et en ce que l'usager respectif (1_1, 1_2, 1_3, 2_1, 2_2, 2_3) transmet, dans son créneau temporel de signalisation fixement associé (20, 21, 22), son signal de routine à la centrale de cellules radio (1_Z, 2_Z).
  4. Procédé de transmission radio dans une cellule radio (1, 2) d'un système de signalisation de danger selon la revendication 3, caractérisé en ce qu'il n'y a pas de communication de données de signalisation dans les créneaux temporels de signalisation fixes (20, 21, 22).
  5. Procédé de transmission radio dans une cellule radio (1, 2) d'un système de signalisation de danger selon l'une des revendications 3 ou 4, caractérisé en ce qu'il est communiqué à tous les usagers (1_1, 1_2, 1_3, 2_1, 2_2, 2_3) dans le système de signalisation de danger quels usagers (1_1, 1_2, 1_3, 2_1, 2_2, 2_3) utilisent quel créneau temporel de signalisation (20, 21, 22).
  6. Procédé de transmission radio dans une cellule radio (1, 2) d'un système de signalisation de danger selon l'une des revendications 2 à 5, caractérisé en ce qu'est convenu, dans les limites de la deuxième zone principale (12), un instant exactement défini auquel un usager désireux d'émettre (par exemple, 1_1) peut prendre contact avec un autre usager resp. avec la centrale de cellules radio (1_Z).
  7. Procédé de transmission radio dans une cellule radio (1, 2) d'un système de signalisation de danger selon l'une des revendications 1 à 6, caractérisé en ce qu'une information temporelle requise pour une synchronisation des usagers (1_1, 1_2, 1_3, 2_1, 2_2, 2_3) entre eux est obtenue à partir de l'échange de données des signaux de routine.
  8. Procédé de transmission radio dans une cellule radio (1, 2) d'un système de signalisation de danger selon l'une des revendications 1 à 7, caractérisé en ce que la centrale de cellules radio (par exemple, 1_Z) envoie, après la réception de tous les signaux de routine d'usagers (par exemple, 1_1, 1_2, 1_3) émis dans la première zone principale (11), un signal d'acquittement commun à tous les usagers concernés (1_1, 1_2, 1_3).
EP06120817A 2006-09-18 2006-09-18 Procédé destiné à la transmission radio dans une cellule de système de détection des dangers Not-in-force EP1901256B1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
EP06120817A EP1901256B1 (fr) 2006-09-18 2006-09-18 Procédé destiné à la transmission radio dans une cellule de système de détection des dangers
ZA200707676A ZA200707676B (en) 2006-09-18 2007-09-08 Method for radio transmission in a radio cell of an alarm system
AU2007216688A AU2007216688A1 (en) 2006-09-18 2007-09-10 Method for Radio Transmission in a Radio Cell of an Alarm
JP2007239805A JP4528816B2 (ja) 2006-09-18 2007-09-14 非常報知システムの無線セルにおける無線伝送方法
CA002602672A CA2602672A1 (fr) 2006-09-18 2007-09-17 Methode de radiotransmission dans une cellule radio d'un systeme d'alarme
RU2007134594/11A RU2007134594A (ru) 2006-09-18 2007-09-17 Способ радиопередачи в ячейке радиосвязи системы аварийной сигнализации
BRPI0704037-7A BRPI0704037A (pt) 2006-09-18 2007-09-18 método para transmissão em uma célula de rádio de um sistema de alarme
US11/857,032 US20080070547A1 (en) 2006-09-18 2007-09-18 Method for Radio Transmission in a Radio Cell of an Alarm System

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06120817A EP1901256B1 (fr) 2006-09-18 2006-09-18 Procédé destiné à la transmission radio dans une cellule de système de détection des dangers

Publications (2)

Publication Number Publication Date
EP1901256A1 EP1901256A1 (fr) 2008-03-19
EP1901256B1 true EP1901256B1 (fr) 2012-08-29

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EP06120817A Not-in-force EP1901256B1 (fr) 2006-09-18 2006-09-18 Procédé destiné à la transmission radio dans une cellule de système de détection des dangers

Country Status (8)

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US (1) US20080070547A1 (fr)
EP (1) EP1901256B1 (fr)
JP (1) JP4528816B2 (fr)
AU (1) AU2007216688A1 (fr)
BR (1) BRPI0704037A (fr)
CA (1) CA2602672A1 (fr)
RU (1) RU2007134594A (fr)
ZA (1) ZA200707676B (fr)

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US8326296B1 (en) 2006-07-12 2012-12-04 At&T Intellectual Property I, L.P. Pico-cell extension for cellular network
US8094551B2 (en) 2008-05-13 2012-01-10 At&T Mobility Ii Llc Exchange of access control lists to manage femto cell coverage
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US20100041365A1 (en) 2008-06-12 2010-02-18 At&T Mobility Ii Llc Mediation, rating, and billing associated with a femtocell service framework
US8510801B2 (en) 2009-10-15 2013-08-13 At&T Intellectual Property I, L.P. Management of access to service in an access point
DE102010032349B4 (de) * 2010-07-27 2013-02-07 Lotfi Makadmini Funkkommunikationsverfahren mit schneller Alarmbenachrichtigung
DE102010032368B4 (de) * 2010-07-27 2017-04-06 Lotfi Makadmini Voll-Duplex-Funkkommunikationsverfahren in einem synchronen Funksystem
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EP0911775B1 (fr) * 1997-09-30 2003-12-10 Siemens Aktiengesellschaft Procédé de transmission radio dans un système de signalisation d'alarmes
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JP2001357483A (ja) * 2000-06-12 2001-12-26 Omron Corp 無線装置および無線検針システム
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JP4724928B2 (ja) * 2001-02-27 2011-07-13 ソニー株式会社 無線伝送装置及び無線伝送方法
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JP4396584B2 (ja) * 2005-06-08 2010-01-13 パナソニック電工株式会社 火災報知システム

Also Published As

Publication number Publication date
EP1901256A1 (fr) 2008-03-19
JP4528816B2 (ja) 2010-08-25
ZA200707676B (en) 2008-07-30
JP2008086014A (ja) 2008-04-10
AU2007216688A1 (en) 2008-04-03
CA2602672A1 (fr) 2008-03-18
BRPI0704037A (pt) 2008-05-06
US20080070547A1 (en) 2008-03-20
RU2007134594A (ru) 2009-03-27

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