EP0893893A3 - Verfahren und Vorrichtung zur Senderidentifikation in Gleichwellennetzen - Google Patents

Verfahren und Vorrichtung zur Senderidentifikation in Gleichwellennetzen Download PDF

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Publication number
EP0893893A3
EP0893893A3 EP98112523A EP98112523A EP0893893A3 EP 0893893 A3 EP0893893 A3 EP 0893893A3 EP 98112523 A EP98112523 A EP 98112523A EP 98112523 A EP98112523 A EP 98112523A EP 0893893 A3 EP0893893 A3 EP 0893893A3
Authority
EP
European Patent Office
Prior art keywords
antenna
field strength
measurement
vehicle
angle
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
Application number
EP98112523A
Other languages
English (en)
French (fr)
Other versions
EP0893893B1 (de
EP0893893A2 (de
Inventor
Jürgen Dipl.-Ing. Althoff
Thomas Heintz
Wolfgang Dr. Balzer
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.)
Deutsche Telekom AG
Original Assignee
Deutsche Telekom AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Deutsche Telekom AG filed Critical Deutsche Telekom AG
Publication of EP0893893A2 publication Critical patent/EP0893893A2/de
Publication of EP0893893A3 publication Critical patent/EP0893893A3/de
Application granted granted Critical
Publication of EP0893893B1 publication Critical patent/EP0893893B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/65—Arrangements characterised by transmission systems for broadcast
    • H04H20/67—Common-wave systems, i.e. using separate transmitters operating on substantially the same frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Es werden ein Verfahren und eine Vorrichtung zur Senderidentifikation und Feldstärkemessung in terrestrischen Gleichwellennetzen beschrieben, die in mobilen Meßsystemen einsetzbar sind. Durch das Verfahren und die Vorrichtung werden die Feldstärkebeträge verschiedener Senderstandorte in Gleichwellennetzen identifiziert. Während einer Meßfahrt werden in festgelegten Intervallen ein Feldstärkesignal einer Omni-Antenne (2) sowie winkelselektiv ein Feldstärkesignal einer Rotorantenne (1) gemessen. Der Winkel der Antenne wird zusammen mit dem jeweiligen Meßwert gespeichert und aus der Kenntnis der Fahrzeugposition und des Rotorwinkels zum Zeitpunkt der Messung wird in einem nachgeschalteten Prozeß der absolute Winkel zum Zeitpunkt der Messung berechnet. Während der Fahrt werden in einer Nachverarbeitung neben den obengenannten Informationen über Feldstärke an der Omni-Antenne (2) und an der Rotorantenne (1), die Fahrzeugausrichtung und die geographische Position des Fahrzeugs erfaßt, zum Beispiel mittels des Global Positioning Systems (GPS) sowie einer zusätzlichen Auswertung von Differenzsignalen, soweit die erforderliche Meßgenauigkeit dies verlangt. In einer Nachverarbeitungsoperation werden dann lagerichtig die jeweiligen Werte der Feldstärke durch die geographischen Koordinaten positioniert und mit Landkartenmaterial, das durch Ausdrucke oder digital aufbereitet zur Verfügung steht, unterlegt. Die Meßanlage selbst ist auf einer mobilen Meßstation montiert und besteht aus einer Omni-Antenne (2) mit Synchronisator (3), einer Rotorantenne (1), die ständig mit gleichbleibender Drehzahl rotiert, einem elektronischen Kompaß zur Feststellung der Ausrichtung des Meßfahrzeuges und der absoluten Richtung der Richtantenne, einem Meßempfänger (17), einer Meßdatenauswertung (9, 9'), einem Rechner (14), einer Systemsteuerung sowie einem System zur Bestimmung der eigenen Fahrzeugposition.
EP19980112523 1997-07-23 1998-07-07 Verfahren zur Feldstärkemessung in Gleichwellennetzen und Messanordnung zur Durchführung des Verfahrens Expired - Lifetime EP0893893B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1997131664 DE19731664C1 (de) 1997-07-23 1997-07-23 Verfahren zur Senderidentifikation und Meßanordnung zur Duchführung des Verfahrens
DE19731664 1997-07-23

Publications (3)

Publication Number Publication Date
EP0893893A2 EP0893893A2 (de) 1999-01-27
EP0893893A3 true EP0893893A3 (de) 2004-01-21
EP0893893B1 EP0893893B1 (de) 2006-04-19

Family

ID=7836652

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19980112523 Expired - Lifetime EP0893893B1 (de) 1997-07-23 1998-07-07 Verfahren zur Feldstärkemessung in Gleichwellennetzen und Messanordnung zur Durchführung des Verfahrens

Country Status (2)

Country Link
EP (1) EP0893893B1 (de)
DE (2) DE19731664C1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104010361B (zh) * 2013-02-22 2018-04-10 中兴通讯股份有限公司 定位系统和方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4138770A1 (de) * 1991-11-26 1993-05-27 Daimler Benz Ag Verfahren zur digitalen datenuebertragung im nullsymbol des cofdm-modulationsverfahrens
AU1554495A (en) * 1994-12-27 1996-07-19 Motorola, Inc. Method and apparatus for identifying a transmitter in a simulcast radio communication system

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
COMINETTI M: "THE RAI PLANS FOR DAB FIELD TESTS", EBU REVIEW- TECHNICAL, EUROPEAN BROADCASTING UNION. BRUSSELS, BE, no. 262, 21 December 1994 (1994-12-21), pages 50 - 57, XP000494769, ISSN: 0251-0936 *
ERKKILA V ET AL: "DAB FIELD TRIALS IN FINLAND DIGITAL AUDIO BROADCASTING", EBU REVIEW- TECHNICAL, EUROPEAN BROADCASTING UNION. BRUSSELS, BE, no. 261, 21 September 1994 (1994-09-21), pages 28 - 35, XP000486551, ISSN: 0251-0936 *
LAU A ET AL: "FIRST RESULTS OF FIELD TESTS WITH THE DAB SINGLE FREQUENCY NETWORK IN BAVARIA", EBU REVIEW- TECHNICAL, EUROPEAN BROADCASTING UNION. BRUSSELS, BE, no. 261, 21 September 1994 (1994-09-21), pages 4 - 27, XP000486550, ISSN: 0251-0936 *

Also Published As

Publication number Publication date
EP0893893B1 (de) 2006-04-19
EP0893893A2 (de) 1999-01-27
DE59813492D1 (de) 2006-05-24
DE19731664C1 (de) 1999-04-29

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