WO2010016580A1 - Dispositif de communication radio et procédé pour estimer la vitesse de déplacement du dispositif - Google Patents

Dispositif de communication radio et procédé pour estimer la vitesse de déplacement du dispositif Download PDF

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Publication number
WO2010016580A1
WO2010016580A1 PCT/JP2009/064041 JP2009064041W WO2010016580A1 WO 2010016580 A1 WO2010016580 A1 WO 2010016580A1 JP 2009064041 W JP2009064041 W JP 2009064041W WO 2010016580 A1 WO2010016580 A1 WO 2010016580A1
Authority
WO
WIPO (PCT)
Prior art keywords
base station
moving speed
wireless communication
communication device
mobile phone
Prior art date
Application number
PCT/JP2009/064041
Other languages
English (en)
Japanese (ja)
Inventor
英寛 江口
Original Assignee
京セラ株式会社
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 京セラ株式会社 filed Critical 京セラ株式会社
Publication of WO2010016580A1 publication Critical patent/WO2010016580A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
    • G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
    • G01S11/10—Systems for determining distance or velocity not using reflection or reradiation using radio waves using Doppler effect

Definitions

  • a method for estimating a moving speed of a wireless communication device that performs wireless communication with a base station, Detecting a Doppler shift frequency for each of the plurality of base stations; Calculating a relative speed between each base station based on the detected Doppler shift frequency for each base station; Estimating a moving speed of the wireless communication device based on the calculated relative speeds; It is characterized by including.
  • the invention according to an eighth aspect is the method according to any one of the fifth to seventh aspects,
  • the calculating step includes a sub-step of calculating a shift amount of a Doppler shift frequency for each base station,
  • the moving speed estimating step estimates the moving speed of the wireless communication device after adjusting the internal clock of the wireless communication device when the average of the shift amounts calculated in the calculating step exceeds a predetermined threshold. It is a feature.
  • the mobile phone 10 includes a control unit 11, an antenna unit 12, a wireless communication unit 13, a microphone 14, a speaker 15, a display unit 16, and an operation input unit 17.
  • the control unit 11 controls the operation of each functional unit of the mobile phone 10 as a whole.
  • the antenna unit 12 transmits and receives radio waves when performing wireless communication with a base station (not shown).
  • the antenna unit 12 can receive radio waves from a plurality of base stations.
  • the wireless communication unit 13 transmits and receives various types of information such as voice call and e-mail data to / from a base station (not shown) via the antenna unit 12 using the Internet or wireless.
  • the microphone 14 receives a user's voice input when making a voice call.
  • the speaker 15 outputs a sound obtained by decoding the received sound data.
  • the wireless communication unit 13 transmits radio waves (transmission frequency f) from the base stations 1 to 7 via the antenna unit 12. Receive.
  • the detection unit 18 detects the frequencies f ′ 1 to f ′ 7 of the radio waves from the base stations 1 to 7 received by the wireless communication unit 13.
  • the frequency f of the radio wave transmitted from each base station 1 to 7 is received by the mobile phone 10 moving at a speed v in a certain direction, the relative speed between each base station and the mobile terminal 10 due to the Doppler effect.
  • the frequency is Doppler shifted according to the frequency.
  • n is an integer
  • the Doppler shift frequency f 'n of radio waves from the base station n to the detection unit 18 detects the mobile phone 10
  • the cellular phone 10 and the relative velocity v n towards the direction of the base station n Is known to hold the following relationship:
  • c is the speed of light (that is, the speed of electromagnetic waves).

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

L'invention porte sur un dispositif de communication radio (10) comprenant : une unité de détection (18) qui détecte une fréquence de décalage Doppler pour chaque station de base ; une unité de calcul (19) qui calcule une vitesse relative entre le dispositif de communication radio (10) et les stations de base respectives selon les fréquences de décalage Doppler des stations de base ; une unité d'estimation de vitesse de déplacement (20) qui estime une vitesse de déplacement du dispositif de communication radio (10) en fonction des vitesses relatives calculées respectives.
PCT/JP2009/064041 2008-08-07 2009-08-07 Dispositif de communication radio et procédé pour estimer la vitesse de déplacement du dispositif WO2010016580A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008-204386 2008-08-07
JP2008204386A JP2010038825A (ja) 2008-08-07 2008-08-07 無線通信装置および当該装置の移動速度推定方法

Publications (1)

Publication Number Publication Date
WO2010016580A1 true WO2010016580A1 (fr) 2010-02-11

Family

ID=41663792

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2009/064041 WO2010016580A1 (fr) 2008-08-07 2009-08-07 Dispositif de communication radio et procédé pour estimer la vitesse de déplacement du dispositif

Country Status (2)

Country Link
JP (1) JP2010038825A (fr)
WO (1) WO2010016580A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017080251A1 (fr) * 2015-11-13 2017-05-18 中兴通讯股份有限公司 Procédé et dispositif pour estimer une vitesse de terminal utilisateur dans un système de communication sans fil

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6221405B2 (ja) 2013-06-26 2017-11-01 富士通株式会社 移動体端末、速度推定方法、速度推定プログラム

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07111675A (ja) * 1993-08-19 1995-04-25 Nippon Steel Corp 移動体の位置決め方法及びその装置、並びにそれを用いた移動体通信システム
JPH11187091A (ja) * 1997-12-20 1999-07-09 Matsushita Electric Ind Co Ltd 携帯端末装置及び着信通知方法
GB2388749A (en) * 2002-05-17 2003-11-19 Nec Technologies Method and system for determining velocity of a mobile radiotelecommunications device including determining frequency difference due to doppler shift
JP2006258689A (ja) * 2005-03-18 2006-09-28 Nec Corp 移動速度検出装置
WO2006106918A1 (fr) * 2005-03-31 2006-10-12 Nec Corporation Terminal radio mobile et son procédé de détection de vitesse de déplacement
WO2007003715A1 (fr) * 2005-07-04 2007-01-11 Nokia Corporation Procede de detection de vitesse dans un systeme de communication, recepteur, element de reseau et processeur

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07111675A (ja) * 1993-08-19 1995-04-25 Nippon Steel Corp 移動体の位置決め方法及びその装置、並びにそれを用いた移動体通信システム
JPH11187091A (ja) * 1997-12-20 1999-07-09 Matsushita Electric Ind Co Ltd 携帯端末装置及び着信通知方法
GB2388749A (en) * 2002-05-17 2003-11-19 Nec Technologies Method and system for determining velocity of a mobile radiotelecommunications device including determining frequency difference due to doppler shift
JP2006258689A (ja) * 2005-03-18 2006-09-28 Nec Corp 移動速度検出装置
WO2006106918A1 (fr) * 2005-03-31 2006-10-12 Nec Corporation Terminal radio mobile et son procédé de détection de vitesse de déplacement
WO2007003715A1 (fr) * 2005-07-04 2007-01-11 Nokia Corporation Procede de detection de vitesse dans un systeme de communication, recepteur, element de reseau et processeur

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017080251A1 (fr) * 2015-11-13 2017-05-18 中兴通讯股份有限公司 Procédé et dispositif pour estimer une vitesse de terminal utilisateur dans un système de communication sans fil

Also Published As

Publication number Publication date
JP2010038825A (ja) 2010-02-18

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