JP4708674B2 - 搬送波信号の振幅および位相誤差に対して低感度な変調器 - Google Patents

搬送波信号の振幅および位相誤差に対して低感度な変調器 Download PDF

Info

Publication number
JP4708674B2
JP4708674B2 JP2002540403A JP2002540403A JP4708674B2 JP 4708674 B2 JP4708674 B2 JP 4708674B2 JP 2002540403 A JP2002540403 A JP 2002540403A JP 2002540403 A JP2002540403 A JP 2002540403A JP 4708674 B2 JP4708674 B2 JP 4708674B2
Authority
JP
Japan
Prior art keywords
signal
phase
modulation
quadrature
modulator
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
JP2002540403A
Other languages
English (en)
Japanese (ja)
Other versions
JP2004527927A5 (enExample
JP2004527927A (ja
Inventor
サホタ、カマル・ガーカンワル
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.)
Qualcomm Inc
Original Assignee
Qualcomm 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
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of JP2004527927A publication Critical patent/JP2004527927A/ja
Publication of JP2004527927A5 publication Critical patent/JP2004527927A5/ja
Application granted granted Critical
Publication of JP4708674B2 publication Critical patent/JP4708674B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/14—Balanced arrangements
    • H03D7/1425—Balanced arrangements with transistors
    • H03D7/1433—Balanced arrangements with transistors using bipolar transistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/14—Balanced arrangements
    • H03D7/1425—Balanced arrangements with transistors
    • H03D7/1441—Balanced arrangements with transistors using field-effect transistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/14—Balanced arrangements
    • H03D7/1425—Balanced arrangements with transistors
    • H03D7/1458—Double balanced arrangements, i.e. where both input signals are differential
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
    • H03D7/166—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature using two or more quadrature frequency translation stages
    • 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
    • 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
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits
    • H04L27/362—Modulation using more than one carrier, e.g. with quadrature carriers, separately amplitude modulated
    • H04L27/364—Arrangements for overcoming imperfections in the modulator, e.g. quadrature error or unbalanced I and Q levels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0016—Stabilisation of local oscillators

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Amplitude Modulation (AREA)
  • Transmitters (AREA)
JP2002540403A 2000-11-03 2000-11-03 搬送波信号の振幅および位相誤差に対して低感度な変調器 Expired - Fee Related JP4708674B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2000/030406 WO2002037787A1 (en) 2000-11-03 2000-11-03 Modulator with low sensitivity to amplitude and phase errors of the carrier signal

Publications (3)

Publication Number Publication Date
JP2004527927A JP2004527927A (ja) 2004-09-09
JP2004527927A5 JP2004527927A5 (enExample) 2005-12-22
JP4708674B2 true JP4708674B2 (ja) 2011-06-22

Family

ID=21741963

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002540403A Expired - Fee Related JP4708674B2 (ja) 2000-11-03 2000-11-03 搬送波信号の振幅および位相誤差に対して低感度な変調器

Country Status (8)

Country Link
EP (2) EP1876703B1 (enExample)
JP (1) JP4708674B2 (enExample)
KR (1) KR100715080B1 (enExample)
CN (1) CN1235378C (enExample)
AT (2) ATE493820T1 (enExample)
AU (1) AU2001214630A1 (enExample)
DE (2) DE60037540T2 (enExample)
WO (1) WO2002037787A1 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6983024B2 (en) * 2003-03-18 2006-01-03 Qualcomm Inc. Quadra-polar modulator
US20090036064A1 (en) * 2007-07-31 2009-02-05 Ashoke Ravi Digital integrated transmitter based on four-path phase modulation
EP2146427A1 (en) * 2008-07-07 2010-01-20 Nxp B.V. Digital modulator
IT1395091B1 (it) * 2009-04-10 2012-09-05 Siae Microelettronica Spa Metodo e relativo dispositivo di elaborazione di segnali digitali per la modulazione di ampiezza in quadratura
JP5440022B2 (ja) * 2009-08-24 2014-03-12 ソニー株式会社 復調器
KR101454802B1 (ko) 2010-10-22 2014-11-03 한국전자통신연구원 비동기식 파이프라인 시스템, 스테이지 및 데이터 전송 방법
EP2901549B1 (en) 2012-09-28 2018-07-25 ViaSat Inc. Wideband double balanced image reject mixer
US9906152B2 (en) 2013-07-22 2018-02-27 Telefonaktiebolaget L M Ericsson (Publ) Frequency converter
US9088471B1 (en) * 2014-02-19 2015-07-21 Qualcomm Incorporated Quadrature combining and adjusting
US9628318B1 (en) * 2016-04-26 2017-04-18 Tm Ip Holdings, Llc Transpositional modulation communications
CN106817136B (zh) * 2017-02-21 2022-09-16 和芯星通科技(北京)有限公司 一种实现正交信号处理的方法、装置及接收机

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4761798A (en) * 1987-04-02 1988-08-02 Itt Aerospace Optical Baseband phase modulator apparatus employing digital techniques
US5111155A (en) * 1991-03-04 1992-05-05 Motorola, Inc. Distortion compensation means and method
US5412351A (en) * 1993-10-07 1995-05-02 Nystrom; Christian Quadrature local oscillator network
US5511236A (en) * 1993-12-07 1996-04-23 National Semiconductor Corporation Half duplex RF transceiver
US5438301A (en) * 1994-07-25 1995-08-01 At&T Corp. Modem having a phase corrector and a voltage controlled oscillator implemented using a multi-stage ring oscillator
JP3115821B2 (ja) * 1995-04-14 2000-12-11 エイ・ティ・アンド・ティ・コーポレーション 変調回路
FR2739239B1 (fr) * 1995-09-27 1997-11-14 Alcatel Telspace Dispositif de correction d'un defaut de quadrature d'un modulateur en quadrature et/ou d'un demodulateur d'un signal a pluralite d'etats de phase, emetteur et recepteur correspondants
US6240142B1 (en) * 1998-01-07 2001-05-29 Qualcomm Incorporated Quadrature modulator and demodulator
DE19934215C1 (de) * 1999-07-21 2001-03-29 Rohde & Schwarz Quadraturmischer mit adaptiver Fehlerkompensation
DE10012003A1 (de) * 2000-03-11 2001-09-13 Philips Corp Intellectual Pty Sender und Verfahren zum Erzeugen eines Sendesignals

Also Published As

Publication number Publication date
EP1876703A3 (en) 2008-04-02
AU2001214630A1 (en) 2002-05-15
KR100715080B1 (ko) 2007-05-07
ATE381838T1 (de) 2008-01-15
EP1330905A1 (en) 2003-07-30
HK1063546A1 (en) 2004-12-31
DE60037540D1 (de) 2008-01-31
ATE493820T1 (de) 2011-01-15
EP1876703B1 (en) 2010-12-29
KR20030051779A (ko) 2003-06-25
EP1876703A2 (en) 2008-01-09
JP2004527927A (ja) 2004-09-09
WO2002037787A1 (en) 2002-05-10
EP1330905B1 (en) 2007-12-19
DE60045454D1 (de) 2011-02-10
CN1488221A (zh) 2004-04-07
CN1235378C (zh) 2006-01-04
DE60037540T2 (de) 2008-12-24

Similar Documents

Publication Publication Date Title
EP2228963B1 (en) Quadrature modulator which employs four 90-degrees-shifted carriers
CN100502229C (zh) 具有改良二阶截取点的用于直接转换收发器的混频器电路
US6240142B1 (en) Quadrature modulator and demodulator
JP4708674B2 (ja) 搬送波信号の振幅および位相誤差に対して低感度な変調器
CN101185238A (zh) 具有对无线通信设备发射路径的补偿装置的直接转换装置
US6114921A (en) Double-balanced modulator and quadri-phase shift keying device
KR100863916B1 (ko) 변조기와 주파수 컨버터용의 정현파를 발생시키는 방법 및회로
US20070201581A1 (en) RF transmitter with interleaved IQ modulation
JP4162588B2 (ja) 受信装置および送信装置
EP1017162A2 (en) Amplifier circuit with negative feedback loop for distortion reduction
JP2000183764A (ja) 出力回路
WO2003007471A2 (en) Mixer
HK1063546B (en) Modulator with low sensitivity to amplitude and phase errors of the carrier signal
HK1060449A (en) Method and circuit to generate sinusoids for modulators and frequency converters

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20040618

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20071011

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20100730

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20100810

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20101021

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20110215

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20110317

R150 Certificate of patent or registration of utility model

Ref document number: 4708674

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees