WO2003007478A3 - Verfahren und einrichtung zum erzeugen von mobilfunksignalen - Google Patents

Verfahren und einrichtung zum erzeugen von mobilfunksignalen Download PDF

Info

Publication number
WO2003007478A3
WO2003007478A3 PCT/DE2002/001899 DE0201899W WO03007478A3 WO 2003007478 A3 WO2003007478 A3 WO 2003007478A3 DE 0201899 W DE0201899 W DE 0201899W WO 03007478 A3 WO03007478 A3 WO 03007478A3
Authority
WO
WIPO (PCT)
Prior art keywords
dds
frequency
modulator
fout
mobile radio
Prior art date
Application number
PCT/DE2002/001899
Other languages
English (en)
French (fr)
Other versions
WO2003007478A2 (de
WO2003007478A8 (de
Inventor
Frank Lillie
Original Assignee
Siemens Ag
Frank Lillie
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 Ag, Frank Lillie filed Critical Siemens Ag
Priority to US10/483,868 priority Critical patent/US20040176045A1/en
Priority to EP02745084A priority patent/EP1405418A2/de
Publication of WO2003007478A2 publication Critical patent/WO2003007478A2/de
Publication of WO2003007478A8 publication Critical patent/WO2003007478A8/de
Publication of WO2003007478A3 publication Critical patent/WO2003007478A3/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
    • H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
    • H03C3/0983—Modifications of modulator for regulating the mean frequency using a phase locked loop containing in the loop a mixer other than for phase detection
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
    • H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
    • H03C3/0941—Modifications of modulator for regulating the mean frequency using a phase locked loop applying frequency modulation at more than one point in the loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
    • H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
    • H03C3/0966—Modifications of modulator for regulating the mean frequency using a phase locked loop modulating the reference clock
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/22—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L2207/00—Indexing scheme relating to automatic control of frequency or phase and to synchronisation
    • H03L2207/12—Indirect frequency synthesis using a mixer in the phase-locked loop

Landscapes

  • Transmitters (AREA)
  • Amplitude Modulation (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Transceivers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)

Abstract

Verfahren zum Erzeugen von Mobilfunksignalen unter Verwendung einer DDS (12) (direkte digitale Frequenzsynthese) und eines Modulators (14), umfassend die Schritte: A) Erzeugen einer Zwischenfrequenz (fout-DDS) durch Ansteuern der DDS (12) mit einem DDS-Steuerwort (S) und einer DDS-Taktfrequenz (fclk-DDS) undB) Transformieren der Zwischenfrequenz (fout-DDS) auf eine Sendefrequenz (fout-RF) der Mobilfunksignale unter Verwendung des Modulators (14) in Abhängigkeit von einer Referenzfrequenz (fref) des Modulators (14). Bei diesem Verfahren ist vorgesehen, dass als DDS-Taktfrequenz (fclk-DDS) die Referenzfrequenz (fref) des Modulators (14) - unverändert oder durch einen Teilungsfaktor (N) geteilt - verwendet wird, wobei zur Erzeugung der Zwischenfrequenz (fout-DDS) das DDS-Steuerwort (S) derart gewählt wird, dass es Schwankungen der Referenzfrequenz (fref) des Modulators (14) kompensiert.
PCT/DE2002/001899 2001-07-10 2002-05-23 Verfahren und einrichtung zum erzeugen von mobilfunksignalen WO2003007478A2 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US10/483,868 US20040176045A1 (en) 2001-07-10 2002-05-23 Method and device for producing mobile radio signals
EP02745084A EP1405418A2 (de) 2001-07-10 2002-05-23 Verfahren und einrichtung zum erzeugen von mobilfunksignalen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10133514.8 2001-07-10
DE10133514A DE10133514A1 (de) 2001-07-10 2001-07-10 Verfahren und Einrichtung zum Erzeugen von Mobilfunksignalen

Publications (3)

Publication Number Publication Date
WO2003007478A2 WO2003007478A2 (de) 2003-01-23
WO2003007478A8 WO2003007478A8 (de) 2003-03-13
WO2003007478A3 true WO2003007478A3 (de) 2003-05-22

Family

ID=7691294

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2002/001899 WO2003007478A2 (de) 2001-07-10 2002-05-23 Verfahren und einrichtung zum erzeugen von mobilfunksignalen

Country Status (5)

Country Link
US (1) US20040176045A1 (de)
EP (1) EP1405418A2 (de)
CN (1) CN1605156A (de)
DE (1) DE10133514A1 (de)
WO (1) WO2003007478A2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20030117A1 (it) * 2003-03-05 2004-09-06 A E B Srl Apparato radiomicrofonico a trasmissione digitale
TWI373925B (en) 2004-02-10 2012-10-01 Tridev Res L L C Tunable resonant circuit, tunable voltage controlled oscillator circuit, tunable low noise amplifier circuit and method of tuning a resonant circuit
DE102004023220A1 (de) * 2004-03-11 2005-10-06 Siemens Ag Verfahren und Vorrichtung zum Erzeugen einer Schwingung mit veränderlicher Frequenz
US7590210B2 (en) * 2004-09-13 2009-09-15 Nortel Networks Limited Method and apparatus for synchronizing internal state of frequency generators on a communications network
US7643595B2 (en) * 2004-09-13 2010-01-05 Nortel Networks Limited Method and apparatus for synchronizing clock timing between network elements
US20080212658A1 (en) * 2007-03-01 2008-09-04 Ahmadreza Rofougaran Method and system for communication of signals using a direct digital frequency synthesizer (ddfs)
CN103516652B (zh) * 2012-06-25 2016-06-15 电子科技大学 一种连续相位bpsk调制方法及其调制装置
EP2860881B1 (de) 2012-06-30 2016-04-06 Huawei Technologies Co., Ltd. Trägerfrequenzeinstellverfahren und vorrichtung für mimo-mikrowellenvorrichtung
CN103546410B (zh) * 2012-07-09 2016-09-07 电子科技大学 一种连续相位qpsk调制方法及其调制装置
CN104113507B (zh) * 2013-04-18 2017-03-08 电子科技大学 连续相位16qam调制方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2247368A (en) * 1990-08-25 1992-02-26 Roke Manor Research Phase modulation signal generator
US5184093A (en) * 1991-03-08 1993-02-02 Mitsubishi Denki Kabushiki Kaisha Frequency synthesizer
EP0717491A2 (de) * 1994-12-13 1996-06-19 Hughes Aircraft Company Synthetisierer hoher Präzision sowie niedrigen Phasenrauschens, mit Vektormodulator
WO2001020774A1 (en) * 1999-09-14 2001-03-22 Conexant Systems, Inc. Wireless transmitter having a modified translation loop architecture

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4926130A (en) * 1988-01-19 1990-05-15 Qualcomm, Inc. Synchronous up-conversion direct digital synthesizer
US5128623A (en) * 1990-09-10 1992-07-07 Qualcomm Incorporated Direct digital synthesizer/direct analog synthesizer hybrid frequency synthesizer
US5162762A (en) * 1991-03-25 1992-11-10 At&T Bell Laboratories Phase-lock loop with adaptive scaling element
JP3317837B2 (ja) * 1996-02-29 2002-08-26 日本電気株式会社 Ｐｌｌ回路
FR2755556A1 (fr) * 1996-11-06 1998-05-07 Motorola Semiconducteurs Modulateur de frequence, emetteur et emetteur-recepteur incorporant ce modulateur de frequence
US5834985A (en) * 1996-12-20 1998-11-10 Telefonaktiebolaget L M Ericsson (Publ) Digital continuous phase modulation for a DDS-driven phase locked loop
US6002923A (en) * 1997-11-07 1999-12-14 Telefonaktiebolaget Lm Ericsson Signal generation in a communications transmitter
US6664827B2 (en) * 2001-03-02 2003-12-16 Adc Telecommunications, Inc. Direct digital synthesizer phase locked loop

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2247368A (en) * 1990-08-25 1992-02-26 Roke Manor Research Phase modulation signal generator
US5184093A (en) * 1991-03-08 1993-02-02 Mitsubishi Denki Kabushiki Kaisha Frequency synthesizer
EP0717491A2 (de) * 1994-12-13 1996-06-19 Hughes Aircraft Company Synthetisierer hoher Präzision sowie niedrigen Phasenrauschens, mit Vektormodulator
WO2001020774A1 (en) * 1999-09-14 2001-03-22 Conexant Systems, Inc. Wireless transmitter having a modified translation loop architecture

Also Published As

Publication number Publication date
CN1605156A (zh) 2005-04-06
EP1405418A2 (de) 2004-04-07
DE10133514A1 (de) 2003-01-30
US20040176045A1 (en) 2004-09-09
WO2003007478A2 (de) 2003-01-23
WO2003007478A8 (de) 2003-03-13

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