CA2069476C - Dispositif et methode pour faire varier un signal dans un emetteur ou un emetteur-recepteur - Google Patents

Dispositif et methode pour faire varier un signal dans un emetteur ou un emetteur-recepteur

Info

Publication number: CA2069476C
Authority: CA; Canada
Prior art keywords: signal; transceiver; power amplifier; input signal; produce
Prior art date: 1990-10-24
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

CA 2069476

Other languages

English (en)

Other versions

CA2069476A1 (fr

Inventor

Stephen Vincent Cahill

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.)

Motorola Solutions Inc

Original Assignee

Motorola 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.)

1990-10-24

Filing date

1991-09-26

Publication date

1996-12-17

1991-09-26 Application filed by Motorola Inc filed Critical Motorola Inc

1992-04-25 Publication of CA2069476A1 publication Critical patent/CA2069476A1/fr

1996-12-17 Application granted granted Critical

1996-12-17 Publication of CA2069476C publication Critical patent/CA2069476C/fr

2011-09-26 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

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Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/005—Control of transmission; Equalising
- 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
- 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

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Physics & Mathematics (AREA)
Nonlinear Science (AREA)
Power Engineering (AREA)
Transmitters (AREA)
Amplifiers (AREA)
Foundations (AREA)
Joining Of Building Structures In Genera (AREA)

CA 2069476 1990-10-24 1991-09-26 Dispositif et methode pour faire varier un signal dans un emetteur ou un emetteur-recepteur Expired - Fee Related CA2069476C (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US60254090A	1990-10-24	1990-10-24
US602,540		1990-10-24

Publications (2)

Publication Number	Publication Date
CA2069476A1 CA2069476A1 (fr)	1992-04-25
CA2069476C true CA2069476C (fr)	1996-12-17

Family

ID=24411752

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA 2069476 Expired - Fee Related CA2069476C (fr)	1990-10-24	1991-09-26	Dispositif et methode pour faire varier un signal dans un emetteur ou un emetteur-recepteur

Country Status (6)

Country	Link
JP (1)	JPH05503408A (fr)
CA (1)	CA2069476C (fr)
FR (1)	FR2669165B1 (fr)
GB (1)	GB2254973B (fr)
MX (1)	MX9101738A (fr)
WO (1)	WO1992008297A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2272133B (en) *	1992-11-02	1996-06-12	Motorola Inc	Radio system
US5710981A (en) *	1995-05-23	1998-01-20	Ericsson Inc.	Portable radio power control device and method using incrementally degraded received signals
JP3537988B2 (ja) *	1997-03-25	2004-06-14	松下電器産業株式会社	無線送信装置
US6112059A (en)	1997-11-12	2000-08-29	Motorola, Inc.	Off-channel leakage power monitor apparatus and method
US6141541A (en) *	1997-12-31	2000-10-31	Motorola, Inc.	Method, device, phone and base station for providing envelope-following for variable envelope radio frequency signals
GB2345599A (en) *	1998-12-23	2000-07-12	Nokia Mobile Phones Ltd	A baseband predistorter for a transmitter with combined downconversion and demodulation in the feedback path
AU3394201A (en) *	2000-02-23	2001-09-03	Scientific Generics Limited	Transmitter and receiver circuit
GB2369735B (en) *	2000-12-02	2004-07-14	Roke Manor Research	Method of linearising a signal
GB2379109B (en) *	2001-08-21	2005-07-13	Ubinetics Ltd	Linearised radio transmitter
EP1499015A1 (fr) *	2003-07-17	2005-01-19	Siemens Aktiengesellschaft	Circuit et procédé pour la linéarisation de la caractéristique d'un amplificateur de puissance GSM
JP4479931B2 (ja) *	2008-03-11	2010-06-09	日本電気株式会社	通信装置、歪み補償回路、および歪み補償方法
US8615054B2 (en) *	2010-09-24	2013-12-24	Intel Corporation	Close-loop power amplifier pre-distortion correction
EP3396398B1 (fr) *	2017-04-27	2020-07-08	Rohde & Schwarz GmbH & Co. KG	Procédé de correction de signal, système permettant de corriger un signal mesuré ainsi qu'un oscilloscope

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2068850A5 (fr) *	1969-10-03	1971-09-03	Cit Alcatel
JPS6110327Y2 (fr) *	1980-01-10	1986-04-03
JPS6041821A (ja) *	1983-08-18	1985-03-05	Nec Corp	送信出力電力制御装置
DE58907579D1 (de) *	1989-01-18	1994-06-01	Siemens Ag	Digitaler Verzerrer.

1991
- 1991-09-26 JP JP3518261A patent/JPH05503408A/ja active Pending
- 1991-09-26 WO PCT/US1991/007012 patent/WO1992008297A1/fr not_active Ceased
- 1991-09-26 CA CA 2069476 patent/CA2069476C/fr not_active Expired - Fee Related
- 1991-10-24 MX MX9101738A patent/MX9101738A/es not_active IP Right Cessation
- 1991-10-24 FR FR9113151A patent/FR2669165B1/fr not_active Expired - Fee Related
1992
- 1992-06-22 GB GB9213179A patent/GB2254973B/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
GB2254973A (en)	1992-10-21
MX9101738A (es)	1992-06-05
CA2069476A1 (fr)	1992-04-25
FR2669165A1 (fr)	1992-05-15
JPH05503408A (ja)	1993-06-03
WO1992008297A1 (fr)	1992-05-14
GB9213179D0 (en)	1992-08-12
FR2669165B1 (fr)	1995-07-21
GB2254973B (en)	1995-02-22

Legal Events

Date	Code	Title	Description
1992-05-25	EEER	Examination request
2001-09-26	MKLA	Lapsed

Publication	Publication Date	Title
EP0982849B1 (fr)	2003-09-17	Générateur de prédistorsion
EP1107449B1 (fr)	2007-10-03	Circuit de compensation de la distortion non linéaire, dispositif de transmission employée dans celle-ci et unité de communication mobile
US7409004B2 (en)	2008-08-05	Hybrid polar modulator differential phase Cartesian feedback correction circuit for power amplifier linearization
US7062233B2 (en)	2006-06-13	Transmitter linearization
EP1067676B1 (fr)	2009-06-17	Procédé de linéarisation en bande large d'amplificateurs de puissance
US6993091B2 (en)	2006-01-31	Correction of DC-offset of I/Q modulator
US6711217B1 (en)	2004-03-23	Apparatus and method for linearized power amplification
US6809607B2 (en)	2004-10-26	Circuit and method for compensating for non-linear distortion
US20080139141A1 (en)	2008-06-12	Method and system for estimating and compensating non-linear distortion in a transmitter using data signal feedback
US7596125B2 (en)	2009-09-29	Adjusting the amplitude and phase characteristics of transmitter generated wireless communication signals in response to base station transmit power control signals and known transmitter amplifier characteristics
CA2069476C (fr)	1996-12-17	Dispositif et methode pour faire varier un signal dans un emetteur ou un emetteur-recepteur
GB2398683A (en)	2004-08-25	An uncorrelated adaptive predistorter for an RF power amplifier in a mobile phone system
US8090036B2 (en)	2012-01-03	Transmitter and carrier leak detection method
US7269232B2 (en)	2007-09-11	Device for producing a phase and amplitude modulated radio frequency signal
US7088968B2 (en)	2006-08-08	Method and polar-loop transmitter with origin offset for zero-crossing signals
US5898906A (en)	1999-04-27	System and method for implementing a cellular radio transmitter device
GB2347288A (en)	2000-08-30	Large dynamic range transmitter power control for a CDMA mobile phone
US7209715B2 (en)	2007-04-24	Power amplifying method, power amplifier, and communication apparatus
EP1505738A1 (fr)	2005-02-09	Emetteur
WO2000036799A2 (fr)	2000-06-22	Linearisation d'emetteur