DE60021315D1 - Funksender - Google Patents

Funksender

Info

Publication number
DE60021315D1
DE60021315D1 DE60021315T DE60021315T DE60021315D1 DE 60021315 D1 DE60021315 D1 DE 60021315D1 DE 60021315 T DE60021315 T DE 60021315T DE 60021315 T DE60021315 T DE 60021315T DE 60021315 D1 DE60021315 D1 DE 60021315D1
Authority
DE
Germany
Prior art keywords
radio transmitter
modulator
signal
comparator
modulates
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.)
Expired - Fee Related
Application number
DE60021315T
Other languages
English (en)
Other versions
DE60021315T2 (de
Inventor
Patrick Savelli
Vassiliki Nikolopoulou
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.)
Alcatel Lucent SAS
Original Assignee
Alcatel SA
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 Alcatel SA filed Critical Alcatel SA
Application granted granted Critical
Publication of DE60021315D1 publication Critical patent/DE60021315D1/de
Publication of DE60021315T2 publication Critical patent/DE60021315T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H03C3/0916—Modifications of modulator for regulating the mean frequency using a phase locked loop with frequency divider or counter in the loop
    • H03C3/0933—Modifications of modulator for regulating the mean frequency using a phase locked loop with frequency divider or counter in the loop using fractional frequency division in the feedback loop of the phase locked 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
    • H03C3/0975—Modifications of modulator for regulating the mean frequency using a phase locked loop applying frequency modulation in the phase locked loop at components other than the divider, the voltage controlled oscillator or 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
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • H03L7/197—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division
    • H03L7/1974—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division for fractional frequency division
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2003—Modulator circuits; Transmitter circuits for continuous phase modulation
    • H04L27/2007—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained
    • H04L27/2017—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained in which the phase changes are non-linear, e.g. generalized and Gaussian minimum shift keying, tamed frequency modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Transmitters (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Details Of Aerials (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE60021315T 1999-07-22 2000-07-20 Funksender Expired - Fee Related DE60021315T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9909536 1999-07-22
FR9909536A FR2796792B1 (fr) 1999-07-22 1999-07-22 Dispositif d'emission radioelectrique

Publications (2)

Publication Number Publication Date
DE60021315D1 true DE60021315D1 (de) 2005-08-25
DE60021315T2 DE60021315T2 (de) 2006-04-20

Family

ID=9548414

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60021315T Expired - Fee Related DE60021315T2 (de) 1999-07-22 2000-07-20 Funksender

Country Status (9)

Country Link
US (1) US6754474B1 (de)
EP (1) EP1071250B1 (de)
JP (1) JP2001077710A (de)
CN (1) CN1282189A (de)
AT (1) ATE300140T1 (de)
AU (1) AU4871600A (de)
CA (1) CA2314823A1 (de)
DE (1) DE60021315T2 (de)
FR (1) FR2796792B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002067452A1 (fr) * 2001-02-21 2002-08-29 Asahi Kasei Microsystems Co., Ltd. Dispositif de communication

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4449250A (en) * 1981-12-21 1984-05-15 Motorola, Inc. Radio-frequency synthesizer for duplex radios
GB8313616D0 (en) * 1983-05-17 1983-06-22 Marconi Instruments Ltd Signal generators
US4816774A (en) * 1988-06-03 1989-03-28 Motorola, Inc. Frequency synthesizer with spur compensation
DE69026151T2 (de) * 1989-07-08 1996-08-22 Plessey Semiconductors Ltd Frequenzsynthesizer
US5038117A (en) * 1990-01-23 1991-08-06 Hewlett-Packard Company Multiple-modulator fractional-N divider
US5055802A (en) * 1990-04-30 1991-10-08 Motorola, Inc. Multiaccumulator sigma-delta fractional-n synthesis
US5111162A (en) * 1991-05-03 1992-05-05 Motorola, Inc. Digital frequency synthesizer having AFC and modulation applied to frequency divider
US5128633A (en) * 1991-07-08 1992-07-07 Motorola, Inc. Multi-loop synthesizer
US5533056A (en) * 1993-05-05 1996-07-02 National Semiconductor Corporation Data encoder/decoder for data transceiver
US5337024A (en) * 1993-06-22 1994-08-09 Rockwell International Corporation Phase locked loop frequency modulator using fractional division
FI105247B (fi) * 1994-11-14 2000-06-30 Nokia Mobile Phones Ltd Menetelmä ja kytkentä radiopuhelimen taajuuksien muodostamiseksi
US5790601A (en) * 1995-02-21 1998-08-04 Hughes Electronics Low cost very small aperture satellite terminal
JP3388527B2 (ja) * 1995-03-06 2003-03-24 日本電信電話株式会社 分数ｎ分周器およびこれを用いた分数ｎ周波数シンセサイザ
US5995812A (en) * 1995-09-01 1999-11-30 Hughes Electronics Corporation VSAT frequency source using direct digital synthesizer
US5900785A (en) * 1996-11-13 1999-05-04 Ericsson Inc. System and method for offsetting load switching transients in a frequency synthesizer
US5903194A (en) * 1997-08-05 1999-05-11 Rockwell Science Center, Inc. Digital phase modulation of frequency synthesizer using modulated fractional division
SE510523C2 (sv) * 1997-09-11 1999-05-31 Ericsson Telefon Ab L M Radiokommunikationsenhet och radiotelefon innefattande radiokommunikationsenhet
US6141394A (en) * 1997-12-22 2000-10-31 Philips Electronics North America Corporation Fractional-N frequency synthesizer with jitter compensation
US6452909B1 (en) * 1998-07-24 2002-09-17 Texas Instruments Israel Ltd. Time division duplex transceiver utilizing a single oscillator
FR2798019B1 (fr) * 1999-08-26 2002-08-16 Cit Alcatel Synthetiseur de frequences a boucle de phase

Also Published As

Publication number Publication date
CA2314823A1 (fr) 2001-01-22
CN1282189A (zh) 2001-01-31
AU4871600A (en) 2001-01-25
ATE300140T1 (de) 2005-08-15
FR2796792B1 (fr) 2001-10-12
US6754474B1 (en) 2004-06-22
DE60021315T2 (de) 2006-04-20
FR2796792A1 (fr) 2001-01-26
JP2001077710A (ja) 2001-03-23
EP1071250A1 (de) 2001-01-24
EP1071250B1 (de) 2005-07-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ALCATEL LUCENT, PARIS, FR

8339 Ceased/non-payment of the annual fee