EP1282094B1 - Verfahren zur Funkübertragung in einem Gefahrenmeldesystem - Google Patents

Verfahren zur Funkübertragung in einem Gefahrenmeldesystem Download PDF

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Publication number
EP1282094B1
EP1282094B1 EP02016659A EP02016659A EP1282094B1 EP 1282094 B1 EP1282094 B1 EP 1282094B1 EP 02016659 A EP02016659 A EP 02016659A EP 02016659 A EP02016659 A EP 02016659A EP 1282094 B1 EP1282094 B1 EP 1282094B1
Authority
EP
European Patent Office
Prior art keywords
stations
station
radio transmission
transmission according
preamble
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.)
Expired - Lifetime
Application number
EP02016659A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1282094A2 (de
EP1282094A3 (de
Inventor
Werner Schropp
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
Original Assignee
Siemens Gebaeudesicherheit GmbH and Co OHG
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Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=33512342&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1282094(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Siemens Gebaeudesicherheit GmbH and Co OHG filed Critical Siemens Gebaeudesicherheit GmbH and Co OHG
Publication of EP1282094A2 publication Critical patent/EP1282094A2/de
Publication of EP1282094A3 publication Critical patent/EP1282094A3/de
Application granted granted Critical
Publication of EP1282094B1 publication Critical patent/EP1282094B1/de
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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B27/00—Alarm systems in which the alarm condition is signalled from a central station to a plurality of substations
    • G08B27/008—Alarm systems in which the alarm condition is signalled from a central station to a plurality of substations with transmission via TV or radio broadcast
    • 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
    • G08B25/003—Address allocation methods and details
    • 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
    • G08B25/10—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

Definitions

  • the invention relates to a method for radio transmission in a danger detection system according to the preamble of patent claim 1.
  • Funk is a nearly ideal transmission medium for building technology. Devices with radio technology are quick to install and easy to adapt to changing requirements. However, a disadvantage is the relatively short range in buildings with carrier frequencies in the gigahertz range. If so-called repeaters are used to increase the range, the high energy consumption still requires mains-powered devices. This is especially true for radio equipment in the new SRD band between 868 and 870 MHz.
  • Document D1 ( WO-A-0143350 ) describes a radio link with transmitters and with a receiver which transmits data packets of a data stream at regular intervals.
  • the data stream is in a snap mode sampled for the presence of data packets.
  • times for an expected input of each data packet are predetermined.
  • a transmission mode a data packet is sampled at regular time intervals, it being determined from a comparison of a test code with the content of the data packet whether a faultless data packet is present.
  • an acknowledgment signal is output from the central office for routine signals from peripheral elements sends, which is used by ready-to-send peripheral elements as a start signal for the transmission of detector data to the control center.
  • the routine signals are transmitted in successive channel time slots on changing radio channels and the acknowledgment signals are expected until an acknowledgment signal is received in a time slot with a connection.
  • This acknowledgment signal receives a ready-to-transmit peripheral element, which then transmits its detector data to the control center in the next time slot for detector data transmission on the same radio channel which is recognized as free.
  • a data transmission system in particular for consumption data acquisition, which has at least one transmitter and one receiver for receiving data packets that are sent at intervals from a respective transmitter.
  • the receiver comprises a timing device for timing its receive operation, which estimates the respective time of the expected next data transmission on the basis of desired values for the time intervals of successive data packets of the respective transmitter and the receiver temporarily each in a tolerance interval, the estimated time of the expected next Estimates the data transmission and temporarily switches the receiver to reception in each case within a tolerance interval containing the estimated time.
  • the length of the data packets is limited to the tolerance interval.
  • the receiving devices of the subscribers are cyclically switched on at predetermined times, and send-willing subscribers send preambles which contain the address of the subscriber who is to receive the preamble. If a receiving device now receives one of the preambles which is addressed to this receiving device, the receiving device remains switched on until the complete preamble has been received, and in the event that no preamble has been received, the receiving device is switched off again. It is provided that in the preamble, only the start time of the actual data telegram is transmitted, and the receiving device turns on at this start time and the transmitting party sends out the corresponding data telegram at this start time. This procedure ensures that the receivers remain operational for a few years via a battery, for example a low-cost AA cell.
  • the radio traffic can be further reduced by sending the preamble only once in the case of a desired transmission to several participants intended for reception and the associated reception devices remain switched on until the preamble has been received.
  • the receiving device changes in the on state, the frequency of the receiving frequency to meet the currently valid in the US FCC rule for frequency hopping.
  • the cycles are selected so that the time interval in which the receiving device is turned off compared to the time interval in which the receiving device is switched on by more than a factor of 5, the corresponding data telegram is sent out to this start time.
  • telegrams are transmitted by send participants to participants intended for reception via so-called.
  • Mediating participants and that in a memory device of the participants a list is stored in which the addresses of the mediating Participants are saved.
  • this list also includes a group affiliation.
  • a method with frequency change can be made simpler by the fact that a change of the frequency channels takes place according to an education law known to all participants.
  • a particularly simple configuration method according to claim 11 provides that the participants themselves are brought into a configuration mode during initial commissioning, in which the participants search for the other participants and include them in their lists when they are found. This minimizes the configuration effort.
  • FIG. 1 shows how a first subscriber 1 is equipped with a first transmitter 2 and a first receiver 3, the first subscriber 1 being equipped with a second subscriber 4 (which likewise comprises a second transmitter 5 and a second receiver 6) and with a third participant 7 (with a third transmitter 8 and a third receiver 9) forms a hazard detection system.
  • the individual subscribers 1, 4, 7 can have, for example, additional sensors which, for example, detect a fire hazard or detect a burglary attempt as motion detectors.
  • subscribers 1, 4, 7 can also assume central functions, for example initiate an alarm or display a building view with the corresponding alarm locations. It is also conceivable that the individual participants have 1,4,7 actuators to close doors, turn on lights or set blinds in motion.
  • the necessary RF receivers in the range of 1 GHz today typically consume 10 to 30 mA from 3 V.
  • the life of a battery should be about 4 years.
  • For low-cost AA cells (mignon), such a current is 300 to 1000 times larger.
  • the receiver checks regularly (for example every 300 ms) whether a subscriber willing to send is active.
  • the settling time of the receiver must be so small that the resulting average current does not load the batteries too much. Settling times of less than 1 ms are currently technically possible.
  • this preamble must be sent for 300 ms to ensure that the subscriber intended for reception then also has its receiver switched on.
  • Additional information in the preamble indicates the start time of the actual telegram.
  • the receiver is then turned off again until the beginning of the payload and thus can save power.
  • the frequency of the receiving channels will be changed during the time the receiver is turned on.
  • the preamble is sent out only once and the associated subscribers intended for receiving do not switch off immediately but wait for the telegrams to be exchanged.
  • each subscriber keeps a list that provides information about which next subscriber (mediator) that can reach any other subscriber of the radio cell.
  • a list is shown by way of example in FIG. 2a.
  • the subscriber to be reached is entered in the first line and the first mediator provided for this purpose in the second line.
  • the subscriber 7 shown in FIG. 2a reaches the subscribers 5, 6 and 8 directly, while the subscribers 1 to 4 can be reached via the subscriber 5, the subscribers 9 and 10 can be reached via the subscriber 6.
  • the statement that the subscriber 2 is to be reached via the subscriber 5 does not mean that the subscriber 5 has direct contact with the subscriber 2.
  • a further mediator can certainly be provided, as shown in the exemplary list of the subscriber 5 in FIG. 2b.
  • the first-time extraction of the list is done without an additional tool.
  • the following steps are performed: first, the first participant of the radio cell is brought into a configuration mode.
  • the subscriber searches for existing subscribers in configuration mode. Since the first party does not find another such party, that party itself defines a cell number and waits for other participants to log in to it.
  • the second station of the radio cell is put in the configuration mode. He finds the participant 1 and proceeds in such a way that he is the number 2 himself. Both have now each occupied a place in their list, as shown in Figure 3a for the participant 1 and Figure 3b for the participant 2.
  • the third party is brought into the configuration mode. If, for example, he finds only subscriber 2, but not subscriber 1, he can have his list transmitted to him. Thus, the third participant knows that he can reach the participant 1 via the participant 2 and is integrated as participant 3 into the system. The participant 2 now transmits to the participant 1 that the participant 3 can reach him (the participant 2). The corresponding stored lists then correspond to the participant 1 of FIG. 4a, to the participant 2 of FIG. 4b and to the participant 3 of FIG. 4c.
  • n tries to re-establish the connection via another subscriber. For this purpose, this participant turns to the participants, which he can reach directly and checks whether they have contact to n. If so, the participant will correct his list accordingly. For the participant m the corresponding applies.
  • FIG. 5 shows that each subscriber of a radio cell can be assigned to one or more functional groups. These functional groups are mapped in further lines of the lists, as shown in Figure 5 with the letters A, B and C.
  • each participant, as shown, at the same time belong to several groups, as it is in the example of the participants 6, who also belongs to the groups A and B. With the help of such groups, for example, lamp collectives can be switched together.

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)
  • Alarm Systems (AREA)
  • Transmitters (AREA)
  • Circuits Of Receivers In General (AREA)
EP02016659A 2001-08-03 2002-07-25 Verfahren zur Funkübertragung in einem Gefahrenmeldesystem Expired - Lifetime EP1282094B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10138229A DE10138229B4 (de) 2001-08-03 2001-08-03 Verfahren zur Funkübertragung in einem Gefahrenmeldesystem
DE10138229 2001-08-03
US10/233,215 US7551936B2 (en) 2001-08-03 2002-09-03 Method of radio transmission in a danger alarm system

Publications (3)

Publication Number Publication Date
EP1282094A2 EP1282094A2 (de) 2003-02-05
EP1282094A3 EP1282094A3 (de) 2005-01-19
EP1282094B1 true EP1282094B1 (de) 2007-09-26

Family

ID=33512342

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02016659A Expired - Lifetime EP1282094B1 (de) 2001-08-03 2002-07-25 Verfahren zur Funkübertragung in einem Gefahrenmeldesystem

Country Status (7)

Country Link
US (1) US7551936B2 (da)
EP (1) EP1282094B1 (da)
AT (1) ATE374414T1 (da)
DE (2) DE10138229B4 (da)
DK (1) DK1282094T3 (da)
ES (1) ES2294071T3 (da)
PT (1) PT1282094E (da)

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DE10337093A1 (de) * 2003-08-12 2005-03-17 Siemens Gebäudesicherheit GmbH & Co. oHG Verfahren zur Funkübertragung in einem Gefahrenmeldesystem
DE102004039675B4 (de) * 2004-08-16 2006-11-23 Siemens Ag Verfahren zur Inbetriebsetzung von funkbasierten Gefahrenmeldesystemen
DE102004049704B3 (de) 2004-10-12 2006-06-22 Siemens Ag Verfahren zur Inbetriebsetzung von funkbasierten Gefahrenmeldesystemen
US7576646B2 (en) * 2005-09-20 2009-08-18 Robert Bosch Gmbh Method and apparatus for adding wireless devices to a security system
DE102006025735A1 (de) * 2006-05-31 2007-12-06 Merten Gmbh & Co. Kg Überwachungseinrichtung
EP1884906A1 (de) * 2006-07-31 2008-02-06 Siemens Building Technologies Fire & Security Products GmbH & Co. oHG Levelsynchronisation bei Funk-Kommunikationsnetzwerken
EP1884905A1 (de) * 2006-07-31 2008-02-06 Siemens Building Technologies Fire & Security Products GmbH & Co. oHG Kanalmanagement für asynchrones Funk-Kommunikationsnetzwerk
DE102006053822A1 (de) * 2006-11-14 2008-05-15 Ista Shared Services Gmbh Verfahren zum drahtlosen Austausch von Daten
JP4966379B2 (ja) * 2007-01-17 2012-07-04 パナソニック株式会社 無線通信システム
EP1978686B1 (de) * 2007-04-05 2016-07-27 Siemens Schweiz AG Multihop Funk-Gefahrenmeldesystem
DE102007036751A1 (de) * 2007-08-03 2009-02-05 Ista International Gmbh Verfahren und System zur bidirektionalen Funkkommunikation
JPWO2009051020A1 (ja) * 2007-10-17 2011-03-03 ホーチキ株式会社 通信システム
DE102007062077B4 (de) 2007-12-21 2011-12-29 Qundis Gmbh Übertragungsverfahren der gespeicherten Meßdaten von Verbrauchsmeßgeräten, insbesondere Heizkostenverteilern
US7876213B2 (en) * 2008-02-29 2011-01-25 Babcock & Wilcox Technical Services Y-12, Llc Personal annunciation device
KR20110004395A (ko) * 2008-04-28 2011-01-13 호치키 가부시키가이샤 경보기
JP6004306B2 (ja) * 2011-06-29 2016-10-05 パナソニックＩｐマネジメント株式会社 火災警報器及び火災警報システム

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Also Published As

Publication number Publication date
ATE374414T1 (de) 2007-10-15
DE10138229B4 (de) 2009-10-01
EP1282094A2 (de) 2003-02-05
US7551936B2 (en) 2009-06-23
DE50210956D1 (de) 2007-11-08
US20040203343A1 (en) 2004-10-14
EP1282094A3 (de) 2005-01-19
ES2294071T3 (es) 2008-04-01
DE10138229A1 (de) 2003-02-13
PT1282094E (pt) 2007-12-24
DK1282094T3 (da) 2008-01-14

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