FR2747871B1 - Appareil et procede de generation de signaux de modulation par deplacement de phase a codage differentiel-n a decalage de pi/n - Google Patents

Appareil et procede de generation de signaux de modulation par deplacement de phase a codage differentiel-n a decalage de pi/n

Info

Publication number
FR2747871B1
FR2747871B1 FR9704149A FR9704149A FR2747871B1 FR 2747871 B1 FR2747871 B1 FR 2747871B1 FR 9704149 A FR9704149 A FR 9704149A FR 9704149 A FR9704149 A FR 9704149A FR 2747871 B1 FR2747871 B1 FR 2747871B1
Authority
FR
France
Prior art keywords
shift
modulation signals
differential coding
coding motion
generating modulation
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
FR9704149A
Other languages
English (en)
Other versions
FR2747871A1 (fr
Inventor
Kwan Sung Kim
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of FR2747871A1 publication Critical patent/FR2747871A1/fr
Application granted granted Critical
Publication of FR2747871B1 publication Critical patent/FR2747871B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • H04L27/2035—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 a single or unspecified number of carriers
    • H04L27/2042—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 a single or unspecified number of carriers with more than two phase states
    • H04L27/2046—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 a single or unspecified number of carriers with more than two phase states in which the data are represented by carrier phase

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
FR9704149A 1996-04-04 1997-04-04 Appareil et procede de generation de signaux de modulation par deplacement de phase a codage differentiel-n a decalage de pi/n Expired - Fee Related FR2747871B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960010242A KR100239169B1 (ko) 1996-04-04 1996-04-04 파이/n 쉬프티트 n차분위상쉬프트키잉 변조신호 발생장치

Publications (2)

Publication Number Publication Date
FR2747871A1 FR2747871A1 (fr) 1997-10-24
FR2747871B1 true FR2747871B1 (fr) 2004-09-10

Family

ID=19455108

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9704149A Expired - Fee Related FR2747871B1 (fr) 1996-04-04 1997-04-04 Appareil et procede de generation de signaux de modulation par deplacement de phase a codage differentiel-n a decalage de pi/n

Country Status (7)

Country Link
US (1) US6115428A (fr)
JP (1) JPH1032615A (fr)
KR (1) KR100239169B1 (fr)
CN (1) CN1074622C (fr)
DE (1) DE19713830B4 (fr)
FR (1) FR2747871B1 (fr)
GB (1) GB2311915B (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2370473B (en) 2000-12-21 2004-04-07 Marconi Caswell Ltd Improvements in or relating to optical communication
DE10121855A1 (de) * 2001-05-04 2003-02-13 Atmel Germany Gmbh Verfahren zur Übertragung von Daten
US7103327B2 (en) * 2002-06-18 2006-09-05 Broadcom, Corp. Single side band transmitter having reduced DC offset
DE10229128A1 (de) * 2002-06-28 2004-01-29 Advanced Micro Devices, Inc., Sunnyvale Passives Impedanznetz zum Drehen eines Phasensystems
TWI240522B (en) * 2002-09-18 2005-09-21 Mediatek Inc Reduced memory architecture for edge modulator
US7103110B2 (en) * 2003-10-10 2006-09-05 Atmel Corporation Dual phase pulse modulation encoder circuit
TW200520402A (en) * 2003-10-10 2005-06-16 Atmel Corp The system configured to transmit, receive, transmit and receive data signals over a data link, the method for converting parallel image data into serial image data, the method for converting parallel microprocessor data into serial microprocessor data
US6947493B2 (en) * 2003-10-10 2005-09-20 Atmel Corporation Dual phase pulse modulation decoder circuit
US7283011B2 (en) * 2003-10-10 2007-10-16 Atmel Corporation Method for performing dual phase pulse modulation
CZ298204B6 (cs) * 2004-06-16 2007-07-18 Psp Engineering A. S. Zarízení pro podávání a trídení sypkého az balvanitého materiálu
US7079577B2 (en) * 2004-09-08 2006-07-18 Atmel Corporation Wide window decoder circuit for dual phase pulse modulation
KR100672240B1 (ko) 2005-10-20 2007-01-22 (주)리-뉴화학 옥상방수공법

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2843493C3 (de) * 1978-10-05 1982-02-18 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zum Erzeugen von phasendifferenzmodulierten Datensignalen
DE3839919A1 (de) * 1988-11-26 1990-06-07 Ant Nachrichtentech Digitaler modemsender mit quadratur-amplitudenmodulation
SE463390B (sv) * 1989-03-13 1990-11-12 Ericsson Telefon Ab L M Vaagformsgenerator
DE3919530A1 (de) * 1989-06-15 1990-12-20 Ant Nachrichtentech Verfahren zur digitalen modulation und digitaler modulator
US5140613A (en) * 1990-05-25 1992-08-18 Hewlett-Packard Company Baseband modulation system with improved ROM-based digital filter
US5495505A (en) * 1990-12-20 1996-02-27 Motorola, Inc. Increased frequency resolution in a synthesizer
US5157693A (en) * 1991-04-01 1992-10-20 Motorola, Inc. Digital modulation circuit
US5369378A (en) * 1992-02-13 1994-11-29 Sanyo Electric Co., Ltd. Digital DQPSK modulator
US5260673A (en) * 1992-08-21 1993-11-09 Hughes Aircraft Company π/4 differential encoding for digital cellular mobile systems
GB9218009D0 (en) * 1992-08-25 1992-10-14 Philips Electronics Uk Ltd A method of,and transmitter for,transmitting a digital signal
KR100207594B1 (ko) * 1993-03-30 1999-07-15 윤종용 자동부호화 4분 위상천이 변조방법 및 장치
KR100308657B1 (ko) * 1994-01-03 2001-11-30 윤종용 위상쉬프티드8피에스케이디지탈변조신호발생장치및방법

Also Published As

Publication number Publication date
DE19713830B4 (de) 2005-12-08
US6115428A (en) 2000-09-05
CN1074622C (zh) 2001-11-07
KR100239169B1 (ko) 2000-01-15
FR2747871A1 (fr) 1997-10-24
KR970072839A (ko) 1997-11-07
GB2311915A (en) 1997-10-08
JPH1032615A (ja) 1998-02-03
GB9706872D0 (en) 1997-05-21
CN1167364A (zh) 1997-12-10
GB2311915B (en) 1999-06-16
DE19713830A1 (de) 1997-11-06

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20091231