WO2010000336A1 - Radiocommunication à double bande utilisant un oscillateur commun - Google Patents

Radiocommunication à double bande utilisant un oscillateur commun Download PDF

Info

Publication number
WO2010000336A1
WO2010000336A1 PCT/EP2008/058703 EP2008058703W WO2010000336A1 WO 2010000336 A1 WO2010000336 A1 WO 2010000336A1 EP 2008058703 W EP2008058703 W EP 2008058703W WO 2010000336 A1 WO2010000336 A1 WO 2010000336A1
Authority
WO
WIPO (PCT)
Prior art keywords
radio
mhz
band
signal
radio communication
Prior art date
Application number
PCT/EP2008/058703
Other languages
German (de)
English (en)
Inventor
Christian Honegger
Original Assignee
Siemens Aktiengesellschaft
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 Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to PCT/EP2008/058703 priority Critical patent/WO2010000336A1/fr
Publication of WO2010000336A1 publication Critical patent/WO2010000336A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
    • H04B1/408—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency the transmitter oscillator frequency being identical to the receiver local oscillator frequency

Definitions

  • the present invention relates to the technical field of radio communication between two or more radio subscribers, wherein the radio signals transmitted between the two radio subscribers are assigned to different radio band members.
  • the present invention relates in particular to a
  • the present invention further relates to a peripheral device for a radio-based building management system, in particular a peripheral device for a radio-based hazard detection system comprising said radio communication device.
  • the invention is based on the device-related object of specifying a multiple band radio communication device which enables simultaneous radio communication in different radio bands and which can be realized in a simple manner.
  • the invention is further based on the method-related object of specifying a corresponding method for communicating in a first radio band and in a second radio band, which is different from the first radio band.
  • a radio communication device for communicating in a first radio band and in a second radio band different from the first radio band.
  • the radio communication device described comprises (a) an oscillator device configured to provide a reference signal having a reference frequency, (b) a first converter coupled to the oscillator device and associated with a first communication path for communicating on the first radio band, wherein the first converter is arranged to convert the reference signal to a first carrier signal having a first carrier frequency lying within the first radio band, the first carrier signal being usable for radio communication via the first communication path, and (c) a second converter, which is coupled to the oscillator means and associated with a second communication path for communicating on the second radio band, the second converter being arranged to translate the reference signal to a second one
  • the radio communication device described is based on the finding that even a single oscillator device is sufficient to create a fully functional dual-band radio communication architecture.
  • the oscillator device is thus coupled to both the first converter and the second converter.
  • the two converters then provide each in a known manner for a suitable frequency conversion, so that in each case a carrier signal is generated in the corresponding frequency band.
  • This carrier signal can then be used in a known manner for radio communication within the corresponding radio band or frequency band.
  • the radio communication may have an amplitude modulation and / or a frequency modulation.
  • corresponding communication signals are modulated.
  • the corresponding received signal is appropriately demodulated using the respective carrier signal.
  • An amplitude modulation can be realized for example by means of a so-called amplitude shift keying, which represents a digital modulation type.
  • the term amplitude shift keying is often referred to as amplitude shift keying (ASK).
  • ASK amplitude shift keying
  • a particularly simple form of amplitude sampling is so-called on-off keying (OOK), in which the carrier signal is switched on or off in order to transmit a 1 or a 0, respectively.
  • the oscillator means may be any oscillatory system which has the ability to make periodic oscillations about a reference point.
  • the oscillator device typically has an assembly for generating undamped electrical oscillations.
  • an oscillator circuit can be used, which has a resonant circuit with at least one capacitor.
  • the capacitor can interact, for example, with a resistor and / or an inductance in a suitable manner.
  • the oscillator device comprises a crystal.
  • a crystal for generating the reference signal with the reference frequency has the advantage that the reference signal can be generated in a simple manner with a high frequency stability.
  • the crystal can be a so-called high-frequency crystal which generates the reference signal, for example, with a reference frequency of 10 MHz.
  • the crystal can be realized in particular by means of a so-called. Quartz crystal.
  • the first carrier frequency and the second carrier frequency are in two of the following frequency ranges: a) 6.765 MHz to 6.795 MHz, b) 13.553 MHz to 13.567 MHz, c) 26.957 MHz to 27.283 MHz, d) 40.66 MHz to 40.70 MHz, e) 433.05 MHz to 434.79 MHz, f) 868 MHz to 870 MHz, g) 902 MHz to 928 MHz, or h) 2.4 GHz to 2.5 GHz.
  • These frequency ranges have the advantage that they are so-called ISM bands which can be used in many countries of the world for applications in industry, science, medicine and / or domestic and similar fields.
  • the wireless communication device described can be used in many countries without special authorization procedures with respect to the frequency or radio bands used in each case.
  • At least one of the two transducers has (a) a data input for feeding in transmission data, and (b) a transmission output for providing an analog radio transmission signal.
  • the transmitted transmission data can be from the respective
  • Transducer can be linked in a known manner with the respective reference signal.
  • the fed-in data can be modulated onto the respective reference signal.
  • the data input may be configured to record analog transmit data or digital transmit data.
  • analog transmit data or digital transmit data.
  • digital transmit data In the case of the feeding of digital transmission data is natural still requires a suitable conversion of the digital into analog data in order to modulate these to the respective carrier signal.
  • the radio communication device additionally has a transmission filter which is coupled to the transmission output.
  • the transmission filter is advantageously used to eliminate or at least attenuate unwanted frequency components in the analog radio transmission signal, which are outside the respective radio band.
  • unwanted harmonics can be at least partially attenuated by the transmission filter, which arise, for example, in the context of the frequency conversion of the reference frequency to the respective carrier frequency.
  • the transmit filter may be an edge filter which only significantly attenuates frequencies above a certain cutoff frequency.
  • an edge filter By an edge filter, the strength of unwanted harmonics of the carrier frequency can be effectively attenuated in a particularly simple manner.
  • At least one of the two transducers has (a) a receiving input for feeding in an analog radio received signal, and (b) a data output for providing received data.
  • the receive data can be extracted by the relevant converter in a known manner.
  • known techniques can be used for demodulating or demodulating the analog radio reception signal using the respective carrier signal.
  • the data output may be configured to output analog receive data or receive digital data.
  • the output of digital reception data is of course still a suitable conversion of example Required by means of a demodulation extracted analog receive data in digital receive data required. This can be done by known analog to digital conversions, which are known in the art and are not explained in detail in the context of this application.
  • data output and the above-mentioned data input can also be realized by means of a common input-output connection.
  • Operating states "send” and “receive” are used. These techniques include, for example, the use of a so-called T / R switch, or the use of time-division multiplexing techniques such as a so-called half-duplex method, in which certain time ranges for feeding transmit data and other time ranges for feeding transmit data Receive data are reserved.
  • a dual band transceiver architecture can thus be provided by the radio communication device described, the two largely independent, designed as transmit and receive paths communication paths having.
  • the oscillator device is shared in an efficient manner by both transmit and receive paths for both frequency bands.
  • the radio communication device additionally has a reception filter, which is coupled to the reception input.
  • the receive filter can advantageously serve the elimination or at least the attenuation of unwanted frequency components in the analog radio receive signal, which frequency components are outside the respective radio band.
  • the reception filter can be, for example, a bandpass filter which suppresses signals having a frequency outside the respective frequency band at least approximately completely. In this way, unwanted frequency components of any sources of interference and / or artefacts generated in the transmitter side in the received signal can be masked out before the further processing in the corresponding converter.
  • a peripherals device for a radio-based building management system is described.
  • a peripheral device for a radio-based hazard detection system is described.
  • the described peripheral device has a radio communication device of the type described above.
  • the peripheral device is based on the knowledge that the radio communication device described above, in which advantageously two mutually independent communication paths share an oscillator device, can be used for a peripheral device of a building management system.
  • This can effectively provide a dual band communication architecture which can be realized by a reduced number of devices compared to known transceiver architectures. This applies in particular to the saving of an oscillator device which is associated with the second communication path in conventional dual-mode radio communication devices.
  • a single-band radio-communication device can also be produced in a simple and cost-effective manner, starting from the radio communication device described above. This can be achieved, for example, by the fact that, in the context of an assembly process, electronic components which are only one of the two Onspfade assigned, specifically not beuckucked on a common circuit board.
  • the peripheral device additionally has a detector unit coupled to the wireless communication device, which is set up to detect smoke, temperature changes, at least one gas, at least one liquid, and / or from entering a monitored room without authorization Persons or objects.
  • a detector unit coupled to the wireless communication device, which is set up to detect smoke, temperature changes, at least one gas, at least one liquid, and / or from entering a monitored room without authorization Persons or objects.
  • the detector unit can in each case be suitably equipped with corresponding optical and / or chemical detection systems.
  • the principle of scattered light measurement of smoke particles can be used in a known manner for reliable smoke or fire detection.
  • the peripheral device additionally has an output unit coupled to the wireless communication device.
  • the output unit may for example be a unit for
  • An optical alarm message is, for example, the illumination of a signal lamp or the flashing of a flashing light.
  • the output unit may also be an actuator or any mechanical actuator which is provided, for example, for activating sprinkler devices and / or for opening or closing smoke flaps.
  • the output unit may also be a suitable interface via which said unit, said actuator and / or said actuator may be controlled in a suitable manner. According to a further aspect of the invention, a method for communicating in a first radio band and in a second radio band, which is different from the first radio band, is described.
  • the method comprises (a) providing a reference signal with a reference frequency by an oscillator device, (b) converting the reference signal to a first carrier signal having a first carrier frequency which lies within the first radio band by means of a first converter, wherein the first converter is coupled to the oscillator device and is assigned to a first communication path for communicating on the first radio band, (c) a conversion of the reference signal to a second carrier signal having a second carrier frequency, which lies within the second radio band, by means of a second converter, wherein the second transducer is coupled to the oscillator means and associated with a second communication path for communicating on the first radio band, (d) communicating in the first radio band using the first carrier signal, and (e) communicating in the second radio band using of the second carrier signal.
  • the described method is based on the finding that by sharing a single oscillator device by means of two independent communication paths a dual band communication can be realized, whereby in comparison to known dual band transceiver architectures only a reduced number of electronic components is required.
  • the two transducers respectively ensure a suitable frequency conversion in a known manner, so that, starting from the reference signal, a respective carrier signal is generated in the corresponding frequency band and used for the radio communication in the respective frequency band.
  • communicating means both one-way and two-way data transmission.
  • communicating means that the described dual-band radio communication may include only a transmission, only receiving or both a transmission and a receiving data.
  • the single FIGURE shows a peripheral device with a radio communication device, two transmitting and receiving paths, which use as a reference frequency, the output signal of a common oscillator device.
  • the figure shows a peripheral device 100 for an otherwise not shown radio-based building management system and in particular for a radio-based hazard detection system.
  • the peripheral device 100 has a detector unit 110 on.
  • the detector unit 110 may comprise one or more of the same or different sensors, each of which is set up to detect measured values from the surroundings of the peripheral device and via the wireless communication device 120 to a non-illustrated
  • the detector unit 110 can, for example, have a temperature sensor, a motion detector, a gas detector and / or a liquid sensor.
  • the described peripheral device can be used for detecting various types of dangerous situations.
  • the detector unit 110 has a smoke detector, which can be used in particular for the early detection of fires.
  • the radio communication device 120 has two communication paths, a first communication path 140 and a second communication path 170.
  • the first communication path 140 is assigned a first transceiver or a first converter 150.
  • the second communication path 170 is assigned a second transceiver or a second converter 180.
  • the first converter 150 has a data input 151, via which the measured values detected by the detector device 110 can preferably be transferred to the first converter 150 as a digital data signal.
  • the first converter 150 further has a transmission output 152 via which an analog transmission signal can be output.
  • the analog transmission signal is generated by the first converter in a known manner by (a) digital-to-analog conversion of the digital data input signal fed via the data input 151 and (b) a combination with a first carrier signal. In the combination, the digital-to-analog converted and over the
  • the first transducer 150 is coupled to an oscillator device 122.
  • the oscillator device 122 has a piezoelectric crystal with which a frequency-stable reference signal having a reference frequency of, for example, 10 MHz can be generated in a known manner.
  • the reference signal fed to the first converter 150 is converted in the first converter 150 by a suitable frequency conversion into the first carrier signal which is used for the modulation described above.
  • the first carrier frequency is at least approximately 434 MHz.
  • the analog transmission signal generated by the first converter 150 is fed via the transmission output 152 and a transmission filter 156 into an antenna module 160.
  • the antenna module 160 which is commercially available, has at least one antenna not shown in the figure.
  • the antenna module 160 may further comprise a circuit or electronic high frequency element for impedance matching. In the case of the use of only one antenna both for the transmission described here as well as for the below to be described receiving still a so-called.
  • Duplexer unit for periodic time separation of the operating states “send” and “receive” and / or a switching device is required with which can be toggled between the states "send" and "receive".
  • the first converter 150 further has a receiving input 153, via which an analog received signal provided by the antenna module 160 via a receiving filter 158 can be fed into the first converter 150.
  • the fed-in receive signal is demodulated in a known manner using the first carrier signal and converted into a digital data output signal. This digital data output signal is made available to the detector unit 110 via a data output 154.
  • the receive filter 158 is a so-called bandpass filter which largely suppresses signals having a frequency outside of a first frequency band, which comprises the first carrier frequency. In this way, unwanted frequency components of any interference sources and / or artifacts generated by the transmitter side in the analog received signal can be masked out in the first converter 150 even before further processing.
  • the second communication path 170 of the radio communication device 120 has similar components as the first communication path 140 according to the exemplary embodiment illustrated here. These components are (a) a second converter 180 having a data input 181, a transmit output 182, a receive input 183 and a data output 184, (b) a transmit filter 186, (c) a receive filter 188, and (d) an antenna module 190.
  • the second converter 180 operates in a second frequency.
  • Radio band which is different from the first frequency or radio band.
  • the second frequency band has the frequency 868 MHz.
  • the second converter 180 is also included the oscillator device 122 is coupled. By means of a suitable frequency conversion, the second converter 180 also generates the second carrier signal on the basis of the reference signal provided by the oscillator device 122.
  • the radio communication device 120 may be provided with only a high frequency crystal and thus a reduced number of electronic components within a compact package be realized at a reduced cost. Also in the manufacture and commissioning of the wireless communication device 120 is advantageously only a reduced manufacturing or testing effort required.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)

Abstract

L'invention concerne un appareil de radiocommunication qui possède un dispositif oscillateur (122) qui est conçu pour fournir un signal de référence à une fréquence de référence, un premier convertisseur (150) relié au dispositif oscillateur (122), destiné à convertir le signal de référence en un premier signal de porteuse, avec une première fréquence porteuse, et un deuxième convertisseur (180) relié au dispositif oscillateur (122), destiné à convertir le signal de référence en un deuxième signal de porteuse, avec une deuxième fréquence porteuse, différente de la première fréquence porteuse. L'invention concerne en outre un appareil périphérique (100) pour un système de gestion d'immeuble fonctionnant par radio et possédant l'appareil de radiocommunication (120) indiqué. En outre, la demande décrit un procédé de communication sur une première bande radio et sur une deuxième bande radio, différente de la première bande radio.
PCT/EP2008/058703 2008-07-04 2008-07-04 Radiocommunication à double bande utilisant un oscillateur commun WO2010000336A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2008/058703 WO2010000336A1 (fr) 2008-07-04 2008-07-04 Radiocommunication à double bande utilisant un oscillateur commun

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2008/058703 WO2010000336A1 (fr) 2008-07-04 2008-07-04 Radiocommunication à double bande utilisant un oscillateur commun

Publications (1)

Publication Number Publication Date
WO2010000336A1 true WO2010000336A1 (fr) 2010-01-07

Family

ID=40419444

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/058703 WO2010000336A1 (fr) 2008-07-04 2008-07-04 Radiocommunication à double bande utilisant un oscillateur commun

Country Status (1)

Country Link
WO (1) WO2010000336A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2677507B1 (fr) 2012-06-18 2018-01-17 Siemens Schweiz AG Dispositif d'alerte de dangers par liaison radio.

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5212804A (en) * 1990-08-02 1993-05-18 Gte Airfone, Inc. Communication system having multiple base stations and multiple mobile units
EP0878917A2 (fr) * 1997-05-15 1998-11-18 Nokia Mobile Phones Ltd. Circuit d'un radioémetteur-récepteur mobile à deux bandes
EP1001548A1 (fr) * 1998-11-13 2000-05-17 Sagem S.A. Procédé de réglage d'un émetteur récepteur multibande de téléphonie mobile et téléphone mobile ainsi obtenu
US20030199261A1 (en) * 1998-03-04 2003-10-23 Kazutoshi Higuchi Multi-band radio terminal apparatus
EP1379026A1 (fr) * 2002-07-03 2004-01-07 Sony International (Europe) GmbH Système de transmission sans fil à double débit
EP1396939A1 (fr) * 2001-06-12 2004-03-10 Sony Corporation Dispositif de communication mobile multibande
US6754508B1 (en) * 2001-01-25 2004-06-22 National Semiconductor Corporation Multiple-band wireless transceiver with quadrature conversion transmitter and receiver circuits

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5212804A (en) * 1990-08-02 1993-05-18 Gte Airfone, Inc. Communication system having multiple base stations and multiple mobile units
EP0878917A2 (fr) * 1997-05-15 1998-11-18 Nokia Mobile Phones Ltd. Circuit d'un radioémetteur-récepteur mobile à deux bandes
US20030199261A1 (en) * 1998-03-04 2003-10-23 Kazutoshi Higuchi Multi-band radio terminal apparatus
EP1001548A1 (fr) * 1998-11-13 2000-05-17 Sagem S.A. Procédé de réglage d'un émetteur récepteur multibande de téléphonie mobile et téléphone mobile ainsi obtenu
US6754508B1 (en) * 2001-01-25 2004-06-22 National Semiconductor Corporation Multiple-band wireless transceiver with quadrature conversion transmitter and receiver circuits
EP1396939A1 (fr) * 2001-06-12 2004-03-10 Sony Corporation Dispositif de communication mobile multibande
EP1379026A1 (fr) * 2002-07-03 2004-01-07 Sony International (Europe) GmbH Système de transmission sans fil à double débit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2677507B1 (fr) 2012-06-18 2018-01-17 Siemens Schweiz AG Dispositif d'alerte de dangers par liaison radio.

Similar Documents

Publication Publication Date Title
EP2759814B1 (fr) Armoire à micro-ondes et procédé de détection d'un objet dans un chemin de micro-ondes
EP2879104B2 (fr) Dispositif auxiliaire pour un détecteur de danger configuré sous forme de détecteur ponctuel pour la surveillance du fonctionnement du détecteur de danger, agencement et utilisation d'un tel dispositif
DE19618333A1 (de) Schaltungsanordnung zur Funktionsprüfung mobiler Rundfunkempfangsanlagen
DE102006011127A1 (de) Schaltschrankanordnung mit einer Schaltschranküberwachungseinrichtung
DE102009053868B4 (de) Arbeitsfahrzeug mit Steuergerät und Sensor/Aktor mit zwei redundanten Übertragungsstrecken
EP3210308B1 (fr) Dispositif d'antenne à distance pour communication de véhicule à véhicule (c2c) ou de véhicule à x (c2x)
EP1329030A1 (fr) Terminal multibande
DE102015111739A1 (de) Radarsignalprozessor, radarsystem und verfahren zum überwachen einer funktionssicherheit eines radarsystems
DE60317833T2 (de) Interferenzermittlung in einem Mobilkommunikationssystem
WO2010000336A1 (fr) Radiocommunication à double bande utilisant un oscillateur commun
WO2000052838A1 (fr) Emetteur a multiplexage en frequence et procede pour supprimer la diaphonie
DE102004029242B4 (de) Gefahrenmelder
EP0945740B1 (fr) Procédé d'identification ami-ennemi et moyens pour la mise en oeuvre de ce procédé
EP1086016B1 (fr) Dispositif pour produire un signal d'avertissement, en particulier pour helicoptere
DE102010048619A1 (de) Antennenanordnung
EP1672445B1 (fr) Système d'interface homme-machine avec un dispositif d'operation et de surveillance pour des operations relatives à la sécurité d'une installation technique
DE10304463A1 (de) System und Verfahren zur Fernübertragung
WO2021043921A1 (fr) Système de bande lumineuse dotée d'une fonction de transfert de données
EP3977163A1 (fr) Procédé pour faire fonctionner un système, et système de détermination de distance et transmission de données au moyen de capteurs radars
EP0962904A2 (fr) Procédé de transmission de données entre au moins deux unités émettrices et au moins une unité de réception sur au moins un canal de transmission
DE2820840C3 (de) Anordnung zur Absicherung von Gefahrenbereichen in Untertagebetrieben
EP1672385A1 (fr) Usine de production et de traitement avec un dispositif transpondeur
DE10149276A1 (de) Diebstahlschutzsystem, Verfahren zum Betreiben eines Diebstahlschutzsystems und Komponenten eines Diebstahlschutzsystems
DE102011014889A1 (de) Kommunikationssystem insbesondere für Gefahrenmelder und Verfahren zu dessen Betrieb
DE2615985A1 (de) Warnvorrichtung

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08774781

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 08774781

Country of ref document: EP

Kind code of ref document: A1