EP1469437A2 - Verfahren zur Funkübertragung in einem Gefahrenmeldesystem - Google Patents
Verfahren zur Funkübertragung in einem Gefahrenmeldesystem Download PDFInfo
- Publication number
- EP1469437A2 EP1469437A2 EP04100494A EP04100494A EP1469437A2 EP 1469437 A2 EP1469437 A2 EP 1469437A2 EP 04100494 A EP04100494 A EP 04100494A EP 04100494 A EP04100494 A EP 04100494A EP 1469437 A2 EP1469437 A2 EP 1469437A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- message
- bidirectional
- unidirectional
- subscriber
- radio
- 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 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
- G08B25/009—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
-
- 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
- G08B25/014—Alarm signalling to a central station with two-way communication, e.g. with signalling back
-
- 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
Definitions
- the invention relates to a method for radio transmission of Messages in a danger reporting system with a central and a plurality of bidirectional and unidirectional participants, being the center and the bidirectional subscriber each have a transmitting and a receiving device, while the unidirectional participants only one Have a sending device.
- Hazard detection systems in which messages are transmitted via radio offer the user many advantages.
- the hazard detection systems include signaling sensors as participants or Subsidiary stations which, in the event of a detected danger, e.g. Fire or break-in, a danger message via a radio link to a central or main station (including repeaters to be understood) transmit in the disposal the danger further measures, such as alerting the Fire brigade or the police.
- An alarm system is known from WO92 / 22883, in which battery-powered Fire detectors and intrusion detectors via radio transmission their respective address, the measured data of the Fire or intrusion detectors as well as data on the residual energy transmit the batteries to a control center.
- the detectors are used to save energy only equipped with a transmitter and only report in large ones Intervals, for example every 24 hours, at the Headquarters. You are unable to target free Search for radio channels in order to find one even when the radio channels are busy Ensure transmission. Since the detectors have no receipt can receive an error-free information transport cannot be ensured.
- EP 833 288 also describes a method for radio transmission known in a hazard alarm system, with the measurement data of an alarm sensor to the central unit via further alarm sensors can be transmitted as intermediate stations if a direct radio connection to the control center because of too little Radio range does not exist or is disturbed. Therefore is a fixed hierarchical connection structure of the alarm sensors provided among themselves.
- the aim of the present invention is therefore in one Radio hazard detection system to specify a procedure which it in a bidirectional network, a unidirectional subscriber allowed, any bidirectional network participants to use as an intermediate station or router without a Telegram avalanche triggered by other bidirectional participants that could overload the system.
- the method according to the invention thus ensures that of all bidirectional participants who are the Received only one message, namely the one who is first in line after the waiting period, the message confirmed or forwarded. everybody else receives this Confirmation or forwarding and then suppress their own forwarding. This keeps the load on the Radio channel minimal. Since only one bidirectional subscriber at a time having to transmit a telegram becomes precious electricity saved in all other participants. Another mechanism for collision resolution is not triggered; therefore remains the response time of the system, for example, that mentioned above Arming or disarming small. Even in unidirectional Element does not require increased effort. It does not require additional input elements or more storage space than a conventional transmitter.
- the waiting times of the individual can preferably be in the system Participants must be set so that the headquarters is the first Participants confirmed receipt. This reduces system response time to a minimum. Furthermore can change the order of the time slots and thus the waiting times of all bidirectional participants by their address within the radio cell.
- the subscriber takes place without Check the identifier of the unidirectional subscriber. First in the central office is then about acceptance or rejection decision of this participant. That is, only the IDs of all unidirectional ones in the control center Subscribers are stored so that the individual is bidirectional Participants no memory for the identifiers of the assigned unidirectional subscriber needs.
- the radio system FS shown in Figure 1 consists of a control center Z, a number of bidirectional subscribers BT1 to BT5 and individual unidirectional subscribers UT1 and UT2.
- the individual bidirectional participants BT1, BT4 and BT5 directly with the Head office, sometimes also with each other, directly in radio contact to step.
- the possible direct radio connections are shown in the drawing shown with solid arrow lines, while not possible connections - due to insufficient radio range or because of a fault - shown in dashed lines are. So much for this direct contact because of the range or is not possible due to a malfunction, such as between BT2 and BT3, the contact is made via a so-called Router, that is, an intermediate station.
- the unidirectional participants UT1 and UT2 in the example have only via a sender and can therefore only send messages submit. As far as they are within radio range of the headquarters located like the subscriber UT1, this message can be sent directly are received by the head office, which then also such can identify unidirectional participants. is a unidirectional subscriber outside the radio range the control center, like UT2, requires a bidirectional one Participants, e.g. BT1, as a router or intermediate station.
- third-party radio systems in the vicinity of the radio system FS FFS, each with a third-party center FZ and third-party radio subscribers FT.
- the systems can overlap, so that, for example, a foreign subscriber FT has a radio range Participant BT4 of the radio system FS can lie.
- a message which thus arrives at subscriber BT4, but is either there or when forwarding to headquarters as from one External system coming identified and rejected or discarded at headquarters.
- Each radio system has its own system identification characterized.
- each participant is in a radio system also provided with a participant number.
- unidirectional Participants are identified by their serial number. Every message is sent by the direct recipient or also confirmed by several recipients. If the participant who received the message, not the final addressee of this message, so he forwards it.
- the radio subscribers are usually stationary using a battery can be supplied for energy reasons not be constantly responsive. They listen regularly Intervals whether one of the participants wants to send to them. is if this is the case, they receive the message and confirm the Reception.
- a participant who wants to send something must do so with a preamble or an announcement telegram AN.
- the duration of the announcement phase during which this Announcement telegram sent must be longer than the listening distances of the participants to be the announcement in the event of two reception attempts, it is received safely once.
- the Participants then evaluate the announcement received. If If you are addressed, make yourself ready to receive the message ready, receive it and confirm receipt.
- the Announcement telegram includes the time of transmission, the message type and the total length of the following User message, also your own identification or Serial number and the desired contact person.
- Diagram a) shows how the central station Z or the individual bidirectional subscribers BTx switch on the receiver at certain time intervals in order to hear whether a message is directed to them. This takes place at the times T H1 , T H2 etc., the receiver being switched on only briefly and also being switched off again when no message arrives.
- the absolute position from T H1 to T Hn differs in the individual participants.
- a unidirectional subscriber UT2 now wants to send a message in FIG. 1, he must first send an announcement telegram AN, which he begins at time T U2A .
- This telegram AN must be sent as long as the bidirectional nodes in the radio range can receive it with certainty.
- participants BT1 and BT5 receive the announcement at times T B11 and T B51 .
- transmitted telegrams are drawn with continuous contours, while received telegrams are drawn with dashed lines.
- the unidirectional subscriber UT2 After the announcement with the telegram AN, the unidirectional subscriber UT2 now sends the actual message NR at the announced time T U2N . This message is then received at the times T B12 and T B52 in the bidirectional subscribers BT1 and BT5. Each of these two participants could now forward this message to the central office Z.
- bidirectional participants BT1 to BTn in the radio system has been assigned a specific waiting time ZS1 to ZSn.
- a scheme for the distribution of those determined by the waiting times Time slots are shown in Figure 3.
- a first wait ZSZ is assigned to head office Z, followed by Waiting times ZS1 to ZSn for the bidirectional participants BT1, BT2, etc. to BTn.
- the bidirectional participants BT1 and Bt5 After receiving the message NR, the bidirectional participants BT1 and Bt5 prepare the confirmation or forwarding of the message. As soon as the waiting time ZS1 of the subscriber BT1 has expired, the subscriber sends the confirmation telegram BS1, which in turn is received by all bidirectional subscribers within radio range, that is to say also by the subscriber BT5 at the time T B53 . This bidirectional subscriber BT5 would send a confirmation telegram BS5 even after its later waiting time ZS5, ie at time T B54 . However, after he has already received the confirmation telegram BS1, he rejects the received message and the prepared confirmation telegram BS5. All further bidirectional subscribers who have received the message from the unidirectional subscriber UT2 proceed in the same way.
- the center Z checks the serial number of the unidirectional subscriber contained in the unidirectional message and then decides whether to accept or reject the message.
Landscapes
- 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)
- Transmitters (AREA)
Abstract
Description
- Die von einem unidirektionalen Teilnehmer gesendete Meldung wird von allen bidirektionalen Teilnehmern innerhalb seiner Funkreichweite empfangen,
- jeder bidirektionale Teilnehmer, der die Meldung empfangen hat, lässt eine ihm individuell zugeordnete Wartezeit ver streichen, bevor er eine Bestätigung und/oder Meldung an die Zentrale weiterleitet,
- während der Wartezeit schaltet jeder Teilnehmer auf Empfang, um den Funkkanal daraufhin zu überwachen, ob ein anderer Teilnehmer mit einer kürzeren Wartezeit bereits die Meldung bestätigt und/oder an die Zentrale weiterleitet, und
- sobald ein Teilnehmer eine Bestätigung der Meldung oder deren Weiterleitung empfängt, unterdrückt er die eigene Bestätigung bzw. Weiterleitung der Meldung.
- Figur 1
- eine schematische Darstellung eines Funksystems mit einer Zentrale und bidirektionalen sowie unidirektionalen Teilnehmern,
- Figur 2
- ein Schema mit dem zeitlichen Ablauf der Kontaktaufnahme eines unidirektionalen Teilnehmers mit einem bidirektionalen Teilnehmer und der Weiterleitung einer Nachricht an die Zentrale und
- Figur 3
- eine schematische Darstellung der Wartezeiten vor dem Weiterleiten der einzelnen Teilnehmer in dem Funksystem.
Claims (4)
- Verfahren zur Funkübertragung von Meldungen in einem Gefahrenmeldesystem mit einer Zentrale (Z) und einer Mehrzahl von bidirektionalen und unidirektionalen Teilnehmern (BT, UT), wobei die Zentrale (Z) und die bidirektionalen Teilnehmer (BT1 bis BT5) jeweils eine Sende- und eine Empfangseinrichtung aufweisen, während die unidirektionalen Teilnehmer (UT1, UT2) lediglich eine Sendeeinrichtung besitzen und wobei die außerhalb der Funkreichweite des Zieles der Meldung des unidirektionalen Teilnehmers, welches in der Regel die Zentrale ist, befindlichen unidirektionalen Teilnehmer (UT2) versuchen, Meldungen über einen der bidirektionalen Teilnehmer (BT1) an das Ziel (Z) zu übermitteln, mit folgenden Schritten:die von einem unidirektionalen Teilnehmer (UT2) gesendete Meldung (AN, MR) wird von allen bidirektionalen Teilnehmern (BT1, BT2, BT5) innerhalb seiner Funkreichweite empfangen,jeder bidirektionale Teilnehmer (BT1, BT5), der die Meldung empfangen hat, wartet eine ihm individuell zugeordnete Wartezeit (ZS1, ZS5) ab, um eine Bestätigung (BST1, BST5) zu senden und/oder die Meldung an das Ziel bzw. die Zentrale (Z) weiterzuleiten,während der Wartezeit schaltet jeder Teilnehmer (BT1, BT2, BT5) auf Empfang, um den Funkkanal daraufhin zu überwachen, ob ein anderer Teilnehmer mit einer kürzeren Wartezeit bereits die Meldung bestätigt und/oder an die Zentrale weiterleitet, undsobald ein Teilnehmer (BT5) eine Bestätigung (BS1) der Meldung oder deren Weiterleitung empfängt, unterdrückt er die eigene Bestätigung (BS5) bzw. Weiterleitung der Meldung.
- Verfahren nach Anspruch 1,
dadurch gekennzeichnet, dass alle bidirektionalen Teilnehmer (BT1 bis BT5) zu nächst abwarten, ob die Zentrale (Z) die Meldung empfangen hat und bestätigt, bevor sie in ihrem nächstfolgenden Zeitschlitz (ZS) die Meldung bestätigen oder weiterleiten. - Verfahren nach Anspruch 1 oder 2,
dadurch gekennzeichnet, dass die Reihenfolge der Wartezeiten (ZS1 bis ZSn) und damit die Wartezeiten der bidirektionalen Teilnehmer (BT1 bis BTn) durch ihre Adresse innerhalb der Funkzelle festgelegt sind. - Verfahren nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, dass in der Zentrale (Z) die Kennung des unidirektionalen Teilnehmers (UT2) geprüft wird und dass entsprechend dieser Prüfung die Meldung angenommen oder verworfen wird.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10317586 | 2003-04-16 | ||
DE10317586A DE10317586B3 (de) | 2003-04-16 | 2003-04-16 | Verfahren zur Funkübertragung in einem Gefahrenmeldesystem |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1469437A2 true EP1469437A2 (de) | 2004-10-20 |
EP1469437A3 EP1469437A3 (de) | 2005-08-10 |
EP1469437B1 EP1469437B1 (de) | 2008-04-16 |
Family
ID=32892383
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04100494A Expired - Lifetime EP1469437B1 (de) | 2003-04-16 | 2004-02-10 | Verfahren zur Funkübertragung in einem Gefahrenmeldesystem |
Country Status (5)
Country | Link |
---|---|
US (1) | US7248854B2 (de) |
EP (1) | EP1469437B1 (de) |
AT (1) | ATE392687T1 (de) |
DE (2) | DE10317586B3 (de) |
ES (1) | ES2304582T3 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1903523A1 (de) * | 2006-09-21 | 2008-03-26 | E.I. Technology Limited | Alarmsysteme |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2880721A1 (fr) * | 2005-01-10 | 2006-07-14 | Securite Comm Sa | Dispositif et installation de surveillance notamment pour biens immobiliers |
US8686849B2 (en) * | 2010-08-10 | 2014-04-01 | Robert Bosch Gmbh | Method of alarm handling in wireless sensor networks |
US9769868B2 (en) | 2012-05-31 | 2017-09-19 | Koninklijke Philips N.V. | Measurement device |
JP2023082536A (ja) * | 2021-12-02 | 2023-06-14 | パナソニックIpマネジメント株式会社 | 警報システム、制御装置、割当方法、プログラム |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0811959A1 (de) * | 1996-06-07 | 1997-12-10 | GRUNDIG Aktiengesellschaft | Funkgesteuerte Gefahrenmeldeanlage mit Unterzentralen und sicherer Datenkommunikation zwischen den einzelnen Komponenten |
EP0911775A2 (de) * | 1997-09-30 | 1999-04-28 | Siemens Aktiengesellschaft | Verfahren zur Funkübertragung in einem Gefahrenmeldesystem |
WO2000052658A1 (en) * | 1999-03-01 | 2000-09-08 | Commtrack Ltd. | Security network and system |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE9101786L (sv) * | 1991-06-12 | 1992-12-13 | Jan Ruus | Larmsystem |
CA2091851A1 (en) * | 1992-03-25 | 1993-09-26 | Michael J. Sherman | Link layered communications network and method |
US5737318A (en) * | 1995-12-27 | 1998-04-07 | Philips Electronics North America Corporation | Method for initializing a wireless, packet-hopping network |
US5854994A (en) * | 1996-08-23 | 1998-12-29 | Csi Technology, Inc. | Vibration monitor and transmission system |
US5907491A (en) * | 1996-08-23 | 1999-05-25 | Csi Technology, Inc. | Wireless machine monitoring and communication system |
EP0833288B1 (de) * | 1996-09-30 | 2003-08-20 | Siemens Aktiengesellschaft | Verfahren zur Funkübertragung von Messdaten von Meldesensoren und Funk-Gefahrenmeldeanlage |
EP0859502B1 (de) * | 1997-02-13 | 2003-10-29 | Monitoring Technologies Limited | Alarmmeldesystem |
US6208247B1 (en) * | 1998-08-18 | 2001-03-27 | Rockwell Science Center, Llc | Wireless integrated sensor network using multiple relayed communications |
US6414955B1 (en) * | 1999-03-23 | 2002-07-02 | Innovative Technology Licensing, Llc | Distributed topology learning method and apparatus for wireless networks |
US6735630B1 (en) * | 1999-10-06 | 2004-05-11 | Sensoria Corporation | Method for collecting data using compact internetworked wireless integrated network sensors (WINS) |
US6894975B1 (en) * | 2000-01-15 | 2005-05-17 | Andrzej Partyka | Synchronization and access of the nodes in a communications network |
US6910024B2 (en) * | 2000-02-04 | 2005-06-21 | Hrl Laboratories, Llc | System for pricing-based quality of service (PQoS) control in networks |
US6563910B2 (en) * | 2001-02-26 | 2003-05-13 | Royal Thoughts, Llc | Emergency response information distribution |
WO2003047175A1 (en) * | 2001-11-28 | 2003-06-05 | Millennial Net | Etwork protocol for an ad hoc wireless network |
US7486693B2 (en) * | 2001-12-14 | 2009-02-03 | General Electric Company | Time slot protocol |
US20030151513A1 (en) * | 2002-01-10 | 2003-08-14 | Falk Herrmann | Self-organizing hierarchical wireless network for surveillance and control |
-
2003
- 2003-04-16 DE DE10317586A patent/DE10317586B3/de not_active Expired - Fee Related
-
2004
- 2004-02-10 ES ES04100494T patent/ES2304582T3/es not_active Expired - Lifetime
- 2004-02-10 EP EP04100494A patent/EP1469437B1/de not_active Expired - Lifetime
- 2004-02-10 DE DE502004006810T patent/DE502004006810D1/de not_active Expired - Lifetime
- 2004-02-10 AT AT04100494T patent/ATE392687T1/de active
- 2004-04-16 US US10/826,540 patent/US7248854B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0811959A1 (de) * | 1996-06-07 | 1997-12-10 | GRUNDIG Aktiengesellschaft | Funkgesteuerte Gefahrenmeldeanlage mit Unterzentralen und sicherer Datenkommunikation zwischen den einzelnen Komponenten |
EP0911775A2 (de) * | 1997-09-30 | 1999-04-28 | Siemens Aktiengesellschaft | Verfahren zur Funkübertragung in einem Gefahrenmeldesystem |
WO2000052658A1 (en) * | 1999-03-01 | 2000-09-08 | Commtrack Ltd. | Security network and system |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1903523A1 (de) * | 2006-09-21 | 2008-03-26 | E.I. Technology Limited | Alarmsysteme |
Also Published As
Publication number | Publication date |
---|---|
EP1469437B1 (de) | 2008-04-16 |
US20040224713A1 (en) | 2004-11-11 |
DE502004006810D1 (de) | 2008-05-29 |
ES2304582T3 (es) | 2008-10-16 |
US7248854B2 (en) | 2007-07-24 |
EP1469437A3 (de) | 2005-08-10 |
ATE392687T1 (de) | 2008-05-15 |
DE10317586B3 (de) | 2005-04-28 |
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