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BR9407376A - Modulador e processo de modulaçao de auto-ajuste para transmitir um sinal exatamente modulado - Google Patents

Modulador e processo de modulaçao de auto-ajuste para transmitir um sinal exatamente modulado

Info

Publication number
BR9407376A
BR9407376A BR9407376A BR9407376A BR9407376A BR 9407376 A BR9407376 A BR 9407376A BR 9407376 A BR9407376 A BR 9407376A BR 9407376 A BR9407376 A BR 9407376A BR 9407376 A BR9407376 A BR 9407376A
Authority
BR
Brazil
Prior art keywords
modulator
transmit
self
modulated signal
modulation process
Prior art date
Application number
BR9407376A
Other languages
English (en)
Inventor
Paul W Dent
Original Assignee
Ericsson Ge Mobile Inc
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
Priority claimed from US08/068,087 external-priority patent/US5351016A/en
Priority to US08/068,087 priority Critical patent/US5351016A/en
Priority to ITMI941096A priority patent/IT1269854B/it
Priority to FR9406479A priority patent/FR2705852A1/fr
Priority to NL9420028A priority patent/NL194108C/nl
Priority to GB9601150A priority patent/GB2295752B/en
Application filed by Ericsson Ge Mobile Inc filed Critical Ericsson Ge Mobile Inc
Priority to BR9407376A priority patent/BR9407376A/pt
Priority to PCT/US1994/006409 priority patent/WO1995034126A1/en
Priority to DE4480968T priority patent/DE4480968T1/de
Priority claimed from SG1996007772A external-priority patent/SG54285A1/en
Priority to FI960520A priority patent/FI960520A0/fi
Priority to SE9600417A priority patent/SE9600417L/xx
Publication of BR9407376A publication Critical patent/BR9407376A/pt

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3294—Acting on the real and imaginary components of the input signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/38—Angle modulation by converting amplitude modulation to angle modulation
    • H03C3/40—Angle modulation by converting amplitude modulation to angle modulation using two signal paths the outputs of which have a predetermined phase difference and at least one output being amplitude-modulated
    • H03C3/406—Angle modulation by converting amplitude modulation to angle modulation using two signal paths the outputs of which have a predetermined phase difference and at least one output being amplitude-modulated using a feedback loop containing mixers or demodulators
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3247—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3282—Acting on the phase and the amplitude of the input signal
    • 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
    • H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
    • H04L27/2053—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases
    • H04L27/206—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers
    • H04L27/2067—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states
    • H04L27/2071—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states in which the data are represented by the carrier phase, e.g. systems with differential coding
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/331—Sigma delta modulation being used in an amplifying circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Error Detection And Correction (AREA)
BR9407376A 1993-05-28 1994-06-06 Modulador e processo de modulaçao de auto-ajuste para transmitir um sinal exatamente modulado BR9407376A (pt)

Priority Applications (10)

Application Number Priority Date Filing Date Title
US08/068,087 US5351016A (en) 1993-05-28 1993-05-28 Adaptively self-correcting modulation system and method
ITMI941096A IT1269854B (it) 1993-05-28 1994-05-27 Modulatore autoregolante
FR9406479A FR2705852A1 (fr) 1993-05-28 1994-05-27 Modulateur auto-ajustable et procédé de modulation correspondant.
DE4480968T DE4480968T1 (de) 1994-06-06 1994-06-06 Selbsteinstellender Modulator
GB9601150A GB2295752B (en) 1993-05-28 1994-06-06 Self-adjusting modulator
NL9420028A NL194108C (nl) 1994-06-06 1994-06-06 Adaptieve voorgecompenseerde kwadratuurmodulator
BR9407376A BR9407376A (pt) 1993-05-28 1994-06-06 Modulador e processo de modulaçao de auto-ajuste para transmitir um sinal exatamente modulado
PCT/US1994/006409 WO1995034126A1 (en) 1993-05-28 1994-06-06 Self-adjusting modulator
FI960520A FI960520A0 (fi) 1994-06-06 1996-02-05 Itsesäätävä modulaattori
SE9600417A SE9600417L (sv) 1993-05-28 1996-02-05 Självjusterande modulator

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US08/068,087 US5351016A (en) 1993-05-28 1993-05-28 Adaptively self-correcting modulation system and method
SG1996007772A SG54285A1 (en) 1994-06-06 1994-06-06 Self-adjusting modulator
BR9407376A BR9407376A (pt) 1993-05-28 1994-06-06 Modulador e processo de modulaçao de auto-ajuste para transmitir um sinal exatamente modulado
PCT/US1994/006409 WO1995034126A1 (en) 1993-05-28 1994-06-06 Self-adjusting modulator

Publications (1)

Publication Number Publication Date
BR9407376A true BR9407376A (pt) 1996-07-16

Family

ID=27425249

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9407376A BR9407376A (pt) 1993-05-28 1994-06-06 Modulador e processo de modulaçao de auto-ajuste para transmitir um sinal exatamente modulado

Country Status (3)

Country Link
BR (1) BR9407376A (pt)
IT (1) IT1269854B (pt)
WO (1) WO1995034126A1 (pt)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI81704C (fi) * 1989-04-11 1990-11-12 Telenokia Oy Kvadraturmodulator.

Also Published As

Publication number Publication date
ITMI941096A1 (it) 1995-11-27
WO1995034126A1 (en) 1995-12-14
ITMI941096A0 (it) 1994-05-27
IT1269854B (it) 1997-04-15

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FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B24C Patent annual fee: request for for restoration

Free format text: REFERENTE 10A., 11A., 12A., 13A., 14A., 15A., E 16A. ANUIDADES.

B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
B24F Patent annual fee: publication cancelled

Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2277 DE 26/08/2014 POR TER SIDO INDEVIDA.

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B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2607 DE 22-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.