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EP2120441B1 - Procédé destiné à la transmission d'au moins une date - Google Patents

Procédé destiné à la transmission d'au moins une date Download PDF

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Publication number
EP2120441B1
EP2120441B1 EP08105839A EP08105839A EP2120441B1 EP 2120441 B1 EP2120441 B1 EP 2120441B1 EP 08105839 A EP08105839 A EP 08105839A EP 08105839 A EP08105839 A EP 08105839A EP 2120441 B1 EP2120441 B1 EP 2120441B1
Authority
EP
European Patent Office
Prior art keywords
frequency
transmitter
receiver
data item
data
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
EP08105839A
Other languages
German (de)
English (en)
Other versions
EP2120441A3 (fr
EP2120441A2 (fr
Inventor
Wolfgang Mueller
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2120441A2 publication Critical patent/EP2120441A2/fr
Publication of EP2120441A3 publication Critical patent/EP2120441A3/fr
Application granted granted Critical
Publication of EP2120441B1 publication Critical patent/EP2120441B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G08B25/007—Details of data content structure of message packets; data protocols

Definitions

  • the invention relates to a method for transmitting at least one datum, an arrangement for transmitting at least one datum, a computer program and a computer program product.
  • this data is transmitted by at least one transmitter and transmitted via a transmission medium, for example wirelessly by means of electromagnetic waves, and received by at least one receiver. If the data is transmitted via electromagnetic waves, it should be known which transmission frequency the transmission takes place. In general, the at least one receiver is known on which frequency the at least one transmitter transmits the data, so that the at least one receiver can set a receiving module for receiving the data to the frequency of the transmitter. In one application, the data may be transmitted during operation of a so-called home emergency call system.
  • a subscriber terminal has a receiving device for the reception of an emergency signal and an interface device for the delivery of emergency signals via a network connection of a telephone network.
  • the subscriber terminal receives at first time intervals subscriber states that has repeatedly recorded a receiving device.
  • this subscriber terminal sends data derived from the subscriber state data via the network connection of the telephone network to a network subscriber station at second time intervals.
  • Another house emergency call system is from the publication DE 196 46 091 A1 known.
  • This home emergency call system has an emergency call station and a subscriber terminal serving to alert a center.
  • a motion detector is provided for reporting an alarm to the subscriber terminal.
  • a switch is provided for switching the user terminal to a mode of operation with a burglar alarm function, so that an alarm can be given due to a possible message of the motion detector.
  • a device for arming or disarming the burglar alarm function is provided within the home emergency call system.
  • a vehicle transmitter for transmitting a coded RF signal to a receiver for remote operation of a device, such as a garage door opener.
  • this vehicle transmitter comprises a signal generator which is connected to an actuation switch for sequentially generating and transmitting at least two control signals having the same code and different RF carrier frequencies in response to the actuation by the actuation switch.
  • fading RF fading
  • a transmitter for transmission of a control signal to a remote drive system is in the document US 2007/151798 A1 described.
  • This transmitter comprises an input device, a memory and a circuit.
  • control data which are connected to the remote drive system are stored in the memory.
  • the control data comprises a first and a second frequency. It is envisaged that the circuitry of the system generates a code signal in response to an input and transmits it first below the first frequency and subsequently below the second frequency.
  • a control system for a building or for at least one room of a building is in the document DE 197 57 235 A1 described.
  • This control system comprises a control center and at least two components which are connected to the control center via radio. It can the center of the components receive signals or send to these, wherein the signals are transmitted within a predetermined frequency range. It is intended to transmit each signal to at least two different frequencies within the frequency range, thus increasing the reliability of a signal transmission made.
  • the invention relates to a method for transmitting and thus transmitting at least one datum, in which the at least one datum is transmitted at a nominal frequency of a transmitter from this transmitter, and wherein the at least one datum at least once at a first frequency offset to the nominal frequency of the transmitter is sent.
  • the at least one datum can be transmitted redundantly on different frequencies, transmitted and finally received.
  • the transmission of the at least one datum under the frequency offset carried out at least once is usually carried out with a time delay, for example after the transmission via the nominal frequency. If the at least one date occurs several times under at least one frequency offset or multiple frequency offsets, such transmissions are typically time-delayed and performed one at a time.
  • the at least one datum is first sent to the nominal frequency at a first frequency offset and then at a second frequency offset to the nominal frequency.
  • the first and the second frequency offset can have the same amounts but different signs. This may mean that the at least one datum is first transmitted at a frequency offset of x Hertz above the nominal frequency and thereafter at a frequency offset of Hertz below the nominal frequency.
  • a reliability of arrangements or systems for transmitting data which have at least one transmitter and at least one receiver can thus be increased.
  • One possible application of the invention is in the area of so-called social alarm radio systems, i. H. so-called house emergency call systems, possible.
  • the transmitter the at least one date, which may be provided as a data protocol, not only once at its nominal frequency, d. H. the frequency usually set, but then at least once at a low frequency offset to the nominal frequency to minus and then to plus within a channel of the transmitter. So it is possible that the at least one date and thus the data protocol is first transmitted on the nominal frequency. Then, the at least one datum is transmitted to provide the low minimum frequency offset at a frequency corresponding to the nominal frequency minus the frequency offset. Subsequently, the date for providing the positive frequency offset is transmitted at a frequency corresponding to the nominal frequency plus the frequency offset. It can be provided that the two frequency offsets are identical. As a rule, there is a frequency offset within a frequency interval of a channel of the transmitter.
  • the at least one datum for each frequency on which the at least one datum is transmitted is provided with the same datum identifier.
  • the at least one date for each frequency on which the at least one date is sent be equipped with its own data identifier.
  • the date in this case has a different data tag for each of the redundant transmissions for each frequency.
  • the at least one datum is received by a receiver, wherein the receiver generates an indication, as a rule a warning or maintenance message, and thus generates it, if the receiver does not receive the at least one datum at the nominal frequency of the transmitter , Furthermore, a receiving frequency of the receiver, taking into account a frequency offset to be adjusted to a different frequency from the nominal frequency, if the receiver does not receive the at least one date on the nominal frequency of the transmitter. Thus, a so-called. Frequency-dependent retuning of the receiver is possible.
  • the at least one datum may comprise a data protocol and therefore also be designed as a data protocol.
  • the invention also relates to an arrangement for transmitting at least one datum having as component a transmitter with a nominal frequency for transmitting data, this transmitter being designed to transmit the at least one datum first at the nominal frequency and then at least once below a first frequency offset to send to the nominal frequency.
  • the arrangement may have at least one receiver and be designed as a home emergency call system.
  • the arrangement described is designed to carry out all the steps of the presented method.
  • individual steps of this method can also be carried out by individual components, typically the transmitter and / or the receiver, the arrangement.
  • functions of the arrangement or functions of individual components of the arrangement can be implemented as steps of the method.
  • the invention further relates to a computer program with program code means in order to perform all the steps of a described method when the computer program is executed on a computer or a corresponding arithmetic unit, in particular in an arrangement according to the invention.
  • the computer program product according to the invention with program code means which are stored on a computer-readable data carrier is designed to carry out all the steps of a described method when the computer program is executed on a computer or a corresponding arithmetic unit, in particular in an arrangement according to the invention.
  • the present invention is further suitable for so-called narrow band multi-channel radio signal transmitters and / or receivers.
  • radio devices or systems that are also used for so-called.
  • Home alarm systems According to the current situation, the European standard EN 300 220 applies, so that certain characteristics must be observed for these radio arrangements. Compliance with these properties is typically achieved by providing so-called adjacent channel selection by means of a comparatively small reception width. If, for example, a transmission in the 869 megahertz range is provided, the usual pitch for a channel is a frequency of 25 kHz, which corresponds to a reception bandwidth of about 11 kHz in practice.
  • the reception bandwidth is smaller than the channel spacing, as already at the band limits a selection in the order of about 70 dB is required. Such a selection or selection is usually generated in a so-called.
  • Intermediate frequency but can also be achieved via two intermediate frequencies with a heterodyne receiver, which is also referred to as a double super.
  • a first intermediate frequency 10.7 megahertz and a second intermediate frequency 450 kHz.
  • An intermediate frequency described can arise by mixing a receiving frequency with an oscillator frequency (LO, local oscillator). Since the intermediate frequency is typically very small compared to the reception frequency, the oscillator frequency is close to the reception frequency, ie very high, for example in a frequency range of 850 megahertz.
  • LO local oscillator
  • the reception frequency is, for example, 869.2125 megahertz in an embodiment and the first intermediate frequency is 10.7 megahertz
  • the oscillator frequency is 858.5125 megahertz. Accordingly, the oscillator frequency is the sum of the reception frequency and the first intermediate frequency. In order to achieve a sufficient stability, so that the reception is ensured, it is provided that the frequency is set within the reception width minus a frequency deviation of the transmitter to be received and / or remains.
  • a reception bandwidth has a frequency of 11 kHz and a frequency deviation usually has a value of +/- 3 kHz
  • the reception bandwidth minus an amount of the frequency deviation results in a value for the oscillator frequency of 8 kHz which transmits a frequency offset of the oscillator frequency of +/- 4 kHz.
  • This oscillator frequency of +/- 4 kHz corresponds to a deviation of 4.6 ppm (parts per million) at a reception frequency of 869 megahertz.
  • Such a deviation is usually shared between the transmitter and the receiver, which means that usually 50% of the deviation is caused by the transmitter and about 50% by the receiver due to a Deviation of the receivable frequency is caused.
  • the receiver will remain +/- 4 ppm ie +/- 3.5 kHz for a maximum allowable deviation including a temperature drift, a quartz aging, a match tolerance etc.
  • a frequency offset is, for example, 2 kHz.
  • the receiver to a desired frequency, d. H. the nominal frequency of the transmitter is set.
  • the receiver first receives the at least one date or data protocol sent first.
  • a receive range of the receiver were to be drifted 2 kHz to a lower frequency, this may mean that the receiver may miss the at least one datum sent first at the nominal frequency from the transmitter, but not at least one of the subsequent ones sent below the frequency offset can receive.
  • An actual frequency under which the at least one datum is actually transmitted may deviate from the nominal frequency and thus from the nominal frequency.
  • the transmitter sends the at least one datum first at its nominal frequency and then at a negative frequency offset relative to the nominal frequency and then at a positive frequency offset relative to the nominal frequency
  • the receiver's receiving range can transmit this at least receive a date, for example, even if the receiver should be drifted to a frequency that is too high by 3 kHz.
  • the receiver does not receive the at least one datum transmitted first at the nominal frequency and the at least one datum transmitted under the negative frequency offset, it is possible for the receiver to receive the at least one third signal transmitted under positive frequency offset.
  • the at least one datum transmitted at different frequencies is sent three times as a data protocol, for example will equip that at least one date or a data log with different data identifiers or numbers.
  • the receiver it is possible for the receiver to differentiate due to different configurations of at least one date or a data protocol, which has received at least one date of the receiver. Failure to receive the at least one date on a particular frequency, typically the sender's nominal frequency, may provide the receiver with a warning or maintenance message as an indication.
  • An arrangement which can be configured as a wireless home emergency call system or a so-called social alarm transmitter has, in the context of the invention, a transmitter which, after the at least one datum has been transmitted at its nominal frequency, transmits or transmits the at least one datum again slight frequency offset to lower frequencies within the usually same channel.
  • the transmitter can alternatively or additionally carry out another transmission or transmission with a slight frequency offset towards higher frequencies within the usually same channel.
  • an at least one redundant transmission of the at least one signal on at least two different but closely spaced frequencies that these two frequencies are close to each other can be achieved that they are within the same channel.
  • the at least one date and thus the data protocol three times d. H. transmitted at the nominal frequency and with a slight frequency offset to a lower and a higher frequency within the same channel.
  • the at least one datum which is transmitted several times on the different frequencies, may be of identical design or differ with respect to a data identifier in the case of a respective frequency-dependent transmission. If the receiver, for example, in the event that the at least one date is formed differently depending on frequency, can not receive all data or data logs, this sum detected in the receiver can be registered, so that the receiver generates based on the warning or maintenance message , Furthermore, if the receiver does not receive the at least one datum on all frequencies but only on one frequency, a static re-tuning of a receiving range of the receiver to that frequency on which the at least one datum was received is possible.
  • the present invention can also already be used in existing arrangements having at least one transmitter and at least one receiver without hardware changes. It is only necessary to adapt software of the at least one transmitter and / or receiver.
  • An existing transmitter with modified software is usually also compatible with existing arrangements or systems. Thus, it is possible that even older, already existing arrangements of the invention, the u. a. the redundant transmission of at least one date, so benefit and thus become more reliable.
  • FIG. 1 shows a schematic representation of an embodiment of an inventive arrangement 2, which has a transmitter 4 with a transmitter module 6 designed as an antenna and a receiver 8 with a transmitter module 10 designed as an antenna.
  • the information about electromagnetic waves is transmitted at a nominal frequency 14 (FIG. FIG. 2 ) are transmitted from the transmitter 4 and received by the receiver 8 whose reception range is set to this nominal frequency 14.
  • FIG. 2 are plotted along a vertically oriented axis 16 over a horizontally oriented axis 18 for the time frequencies at which the transmitter 4 transmits the at least one date.
  • the at least one datum is transmitted in a time interval up to a first time 20 at the nominal frequency 14 of the transmitter 4.
  • the at least one datum is transmitted at a negative frequency offset 24, which means that the at least one datum is at a lowered frequency 26 corresponding to the nominal frequency 14 minus the frequency offset 24, is sent.
  • the at least one datum is transmitted between the second time 22 and a third time 28 at an increased frequency offset 24. This means that the at least one datum is now transmitted on an increased frequency 30, which corresponds to a sum of the nominal frequency 14 and the frequency offset 24.
  • the at least one date is sent three times in succession and thus redundant.
  • a value of the frequency offset 24 is within a channel of the transmitter 4, so that the lowered frequency 26 and the increased frequency 30, on which the at least one additional date is transmitted, only to deviate a small fraction of a few per thousand from the nominal frequency 14 of the transmitter 4.
  • Such a redundant transmission of the at least one date is, for example, then available if a frequency which can be received by the receiver 8 should deviate from the nominal frequency 14.
  • the invention can also be used if a frequency with which the transmitter 4 transmits the at least one datum should deviate from the nominal frequency 14. In the presence of such deviations, due to the redundant transmission of the at least one datum, there is the possibility that the receiver 8 can receive the at least one datum at least once.
  • the at least one datum is first transmitted on the at least one nominal frequency 14 of the transmitter 4 and subsequently or subsequently at least once below the first frequency offset to the nominal frequency 14 of the transmitter 4. Accordingly, the at least one date in time several times successively d. H. time-shifted, the at least one datum being transmitted first at the nominal frequency 14 of the transmitter 4, then at the first frequency offset thereafter below the second frequency offset.
  • the intended redundant transmissions and thus transmissions of the at least one datum to overlap at least partially in time, so that the at least one datum is transmitted at least partially simultaneously on different frequencies.

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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)
  • Alarm Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Electric Clocks (AREA)

Claims (12)

  1. Procédé de communication d'au moins une donnée de référence, selon lequel l'au moins une donnée de référence est tout d'abord émise à une fréquence nominale (14) d'un émetteur (4) par cet émetteur (4) et selon lequel l'au moins une donnée de référence est ensuite émise par l'émetteur (4) au moins une fois sous un premier décalage de fréquence (24) par rapport à la fréquence nominale (14), l'au moins une donnée de référence étant reçue par un émetteur (8), caractérisé en ce qu'une notification est délivrée par le récepteur (8) si le récepteur (8) ne reçoit pas l'au moins une donnée de référence à la fréquence nominale (14) de l'émetteur (4).
  2. Procédé selon la revendication 1, selon lequel l'au moins une donnée de référence est tout d'abord émise sous un premier décalage de fréquence (24) par rapport à la fréquence nominale (14) et ensuite sous un deuxième décalage de fréquence (24) par rapport à la fréquence nominale (14).
  3. Procédé selon la revendication 2, selon lequel le premier et le deuxième décalage de fréquence (24) présentent les mêmes valeurs absolues, mais avec des signes différents.
  4. Procédé selon l'une des revendications précédentes, selon lequel un décalage de fréquence (24) se trouve à chaque fois à l'intérieur d'un canal de l'émetteur (4).
  5. Procédé selon l'une des revendications précédentes, selon lequel l'au moins une donnée de référence est munie du même identifiant de donnée pour chaque fréquence à laquelle l'au moins une donnée de référence est émise.
  6. Procédé selon l'une des revendications 1 à 4, selon lequel l'au moins une donnée de référence est munie d'un identifiant de donnée propre pour chaque fréquence à laquelle l'au moins une donnée de référence est émise.
  7. Procédé selon la revendication 1, selon lequel une fréquence de réception du récepteur (8) est réglée à une fréquence différente de la fréquence nominale (14) en tenant compte d'un décalage de fréquence (24) dans le cas où le récepteur (8) ne reçoit pas le protocole de données à la fréquence nominale (14) de l'émetteur (4).
  8. Procédé selon l'une des revendications précédentes, selon lequel l'au moins une donnée de référence comprend un protocole de données.
  9. Arrangement pour communiquer au moins une donnée de référence, lequel présente un émetteur (2) ayant une fréquence nominale (14) pour émettre des données et un récepteur (8), cet émetteur (2) étant configuré pour émettre tout d'abord l'au moins une donnée de référence à la fréquence nominale (14) et ensuite au moins une fois sous un premier décalage de fréquence (24) par rapport à la fréquence nominale (14), le récepteur (8) recevant l'au moins une donnée de référence, caractérisé en ce que le récepteur (8) délivre une notification si le récepteur (8) ne reçoit pas l'au moins une donnée de référence à la fréquence nominale (14) de l'émetteur (4).
  10. Arrangement selon la revendication 9, lequel est réalisé sous la forme d'une installation domestique d'appel d'urgence.
  11. Programme informatique comprenant des moyens de code de programme pour exécuter toutes les étapes d'un procédé selon l'une des revendications 1 à 8 lorsque le programme informatique est exécuté sur un ordinateur ou une unité de calcul correspondante, notamment dans un arrangement (2) selon la revendication 9 ou 10.
  12. Produit de programme informatique comprenant des moyens de code de programme qui sont enregistrés sur un support de données lisible par ordinateur pour exécuter toutes les étapes d'un procédé selon l'une des revendications 1 à 8 lorsque le programme informatique est exécuté sur un ordinateur ou une unité de calcul correspondante, notamment dans un arrangement (2) selon la revendication 9 ou 10.
EP08105839A 2008-05-05 2008-11-21 Procédé destiné à la transmission d'au moins une date Not-in-force EP2120441B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008001555A DE102008001555A1 (de) 2008-05-05 2008-05-05 Verfahren zur Übermittlung von mindestens einem Datum

Publications (3)

Publication Number Publication Date
EP2120441A2 EP2120441A2 (fr) 2009-11-18
EP2120441A3 EP2120441A3 (fr) 2010-06-16
EP2120441B1 true EP2120441B1 (fr) 2012-10-31

Family

ID=40849301

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08105839A Not-in-force EP2120441B1 (fr) 2008-05-05 2008-11-21 Procédé destiné à la transmission d'au moins une date

Country Status (2)

Country Link
EP (1) EP2120441B1 (fr)
DE (1) DE102008001555A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014018859B3 (de) * 2014-12-15 2016-02-04 Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung Verfahren zur drahtlosen Übertragung von Signalen und Anwendung des Verfahrens

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4337211C1 (de) * 1993-10-30 1994-12-15 Grundig Emv Funkalarmanlage mit einer Funkstrecke zwischen den Außenstationen und der Zentraleinheit einer Alarmanlage
GB2315892B (en) 1996-07-26 1998-06-24 Prince Corp Multiple frequency transmitter
DE19646091B4 (de) 1996-11-08 2007-03-01 Robert Bosch Gmbh Hausnotrufanlage
DE19734594B4 (de) 1997-08-09 2007-06-21 Robert Bosch Gmbh Verfahren zum Betrieb einer Hausnotrufanlage und Teilnehmerendgerät
DE19757235C2 (de) 1997-12-22 2000-01-05 Honeywell Ag Leitsystem für ein Gebäude bzw. für einen oder mehrere Räume eines Gebäudes
US7424931B2 (en) 2005-12-29 2008-09-16 Harley-Davidson Motor Company Group, Inc. Muffler for a motorcycle
US8384513B2 (en) * 2006-01-03 2013-02-26 Johnson Controls Technology Company Transmitter and method for transmitting an RF control signal
US7792548B2 (en) * 2006-09-28 2010-09-07 Broadcom Corporation Multiple frequency antenna array for use with an RF transmitter or transceiver

Also Published As

Publication number Publication date
EP2120441A3 (fr) 2010-06-16
EP2120441A2 (fr) 2009-11-18
DE102008001555A1 (de) 2009-11-12

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