NO320253B1 - Fremgangsmate ved fasemodulering av et digitalt signal i et digitalt kommunikasjonssystem og tilsvarende anordning - Google Patents

Fremgangsmate ved fasemodulering av et digitalt signal i et digitalt kommunikasjonssystem og tilsvarende anordning Download PDF

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Publication number
NO320253B1
NO320253B1 NO19971897A NO971897A NO320253B1 NO 320253 B1 NO320253 B1 NO 320253B1 NO 19971897 A NO19971897 A NO 19971897A NO 971897 A NO971897 A NO 971897A NO 320253 B1 NO320253 B1 NO 320253B1
Authority
NO
Norway
Prior art keywords
components
equipment
phase
delay
digital signal
Prior art date
Application number
NO19971897A
Other languages
English (en)
Norwegian (no)
Other versions
NO971897D0 (no
NO971897L (no
Inventor
Hisashi Kawabata
Original Assignee
Nec Corp
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 Nec Corp filed Critical Nec Corp
Publication of NO971897D0 publication Critical patent/NO971897D0/no
Publication of NO971897L publication Critical patent/NO971897L/no
Publication of NO320253B1 publication Critical patent/NO320253B1/no

Links

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
    • H04L27/36—Modulator circuits; Transmitter circuits
    • H04L27/366—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
NO19971897A 1996-04-26 1997-04-24 Fremgangsmate ved fasemodulering av et digitalt signal i et digitalt kommunikasjonssystem og tilsvarende anordning NO320253B1 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8106540A JP3024548B2 (ja) 1996-04-26 1996-04-26 位相変調方法および位相変調装置

Publications (3)

Publication Number Publication Date
NO971897D0 NO971897D0 (no) 1997-04-24
NO971897L NO971897L (no) 1997-10-27
NO320253B1 true NO320253B1 (no) 2005-11-14

Family

ID=14436218

Family Applications (1)

Application Number Title Priority Date Filing Date
NO19971897A NO320253B1 (no) 1996-04-26 1997-04-24 Fremgangsmate ved fasemodulering av et digitalt signal i et digitalt kommunikasjonssystem og tilsvarende anordning

Country Status (5)

Country Link
US (1) US5987072A (ja)
JP (1) JP3024548B2 (ja)
DE (1) DE19717354A1 (ja)
GB (1) GB2312597B (ja)
NO (1) NO320253B1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6621876B2 (en) 2001-03-01 2003-09-16 Ericsson Inc. System and method to reduce phase modulation bandwidth
WO2016181875A1 (ja) * 2015-05-14 2016-11-17 ソニー株式会社 送信装置および方法、並びにプログラム

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4726039A (en) * 1986-05-09 1988-02-16 Honeywell Inc. Constant amplitude PSK modulator
JPH01276860A (ja) * 1988-04-27 1989-11-07 Alps Electric Co Ltd Ｐｓｋ変調回路
US5091919A (en) * 1989-02-08 1992-02-25 Nokia-Mobira Oy Transmitter arrangement for digitally modulated signals
JPH07114420B2 (ja) * 1989-05-12 1995-12-06 富士通株式会社 変調回路
JP2728114B2 (ja) * 1994-07-11 1998-03-18 日本電気株式会社 Ｆｍ変調回路
US5491457A (en) * 1995-01-09 1996-02-13 Feher; Kamilo F-modulation amplification
US5548253A (en) * 1995-04-17 1996-08-20 Omnipoint Corporation Spectrally efficient quadrature amplitude modulator

Also Published As

Publication number Publication date
GB9708493D0 (en) 1997-06-18
JP3024548B2 (ja) 2000-03-21
US5987072A (en) 1999-11-16
NO971897D0 (no) 1997-04-24
JPH09294145A (ja) 1997-11-11
NO971897L (no) 1997-10-27
GB2312597A (en) 1997-10-29
GB2312597B (en) 2000-10-04
DE19717354A1 (de) 1997-10-30

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