JPS6149865B2 - - Google Patents

Info

Publication number
JPS6149865B2
JPS6149865B2 JP12435279A JP12435279A JPS6149865B2 JP S6149865 B2 JPS6149865 B2 JP S6149865B2 JP 12435279 A JP12435279 A JP 12435279A JP 12435279 A JP12435279 A JP 12435279A JP S6149865 B2 JPS6149865 B2 JP S6149865B2
Authority
JP
Japan
Prior art keywords
phase
phase shift
bits
combination
shift information
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
Application number
JP12435279A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5647153A (en
Inventor
Fumio Sugyama
Tsukasa Okai
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric 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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP12435279A priority Critical patent/JPS5647153A/ja
Publication of JPS5647153A publication Critical patent/JPS5647153A/ja
Publication of JPS6149865B2 publication Critical patent/JPS6149865B2/ja
Granted 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
    • H04L27/2003—Modulator circuits; Transmitter circuits for continuous phase modulation
    • H04L27/2007—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained
    • H04L27/2017—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained in which the phase changes are non-linear, e.g. generalized and Gaussian minimum shift keying, tamed frequency modulation

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP12435279A 1979-09-27 1979-09-27 Digital phase modulation system Granted JPS5647153A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12435279A JPS5647153A (en) 1979-09-27 1979-09-27 Digital phase modulation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12435279A JPS5647153A (en) 1979-09-27 1979-09-27 Digital phase modulation system

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP12026985A Division JPS615659A (ja) 1985-06-03 1985-06-03 デイジタル位相変調方式

Publications (2)

Publication Number Publication Date
JPS5647153A JPS5647153A (en) 1981-04-28
JPS6149865B2 true JPS6149865B2 (enrdf_load_stackoverflow) 1986-10-31

Family

ID=14883249

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12435279A Granted JPS5647153A (en) 1979-09-27 1979-09-27 Digital phase modulation system

Country Status (1)

Country Link
JP (1) JPS5647153A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993010612A1 (en) * 1991-11-18 1993-05-27 Nippon Hoso Kyokai Phase-modulation transmitter and receiver

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993010612A1 (en) * 1991-11-18 1993-05-27 Nippon Hoso Kyokai Phase-modulation transmitter and receiver

Also Published As

Publication number Publication date
JPS5647153A (en) 1981-04-28

Similar Documents

Publication Publication Date Title
US3983485A (en) Multi-phase and multi-amplitude level modulator and modulation and demodulation methods
US4229821A (en) System for data transmission by means of an angle-modulated carrier of constant amplitude
JP2948819B2 (ja) デジタル伝送システムで搬送波を復元するための回路
US4870659A (en) FSK demodulation circuit
EP0232626B1 (en) Method of digital signal transmission having a low error rate in the presence of multipath transmission
US20080225935A1 (en) Method and architecture for digital pulse shaping and rate conversion
US4674105A (en) Digital signal processor
US4130802A (en) Unidirectional phase shift keyed communication system
JPH1198205A (ja) ディジタル無線通信用復調装置
US4799238A (en) Differential phase shift keying method for the transmission of data
US4245320A (en) Method and device for measuring the slope of the envelope delay characteristic of a transmission channel and their application to an automatic equalizer selection technique
US5512865A (en) Digital oversampled quadrature modulator
US5546428A (en) Differentially encoding quadrature phase shift keying modulation method and apparatus thereof
JPS6149865B2 (enrdf_load_stackoverflow)
US5838208A (en) Modulation of transmission data signal in sychronous with transmission clock signal
JP2931454B2 (ja) ディジタル位相変調信号復調回路
IE69762B1 (en) Digital gmsk modulator with non-integer bit interval handling
US5077757A (en) System for synthesizing a modulated signal
JP4292355B2 (ja) Ｇｍｓｋ変調回路
Galvão et al. Bandwidth efficient gaussian minimum frequency-shift keying approach for software defined radio
US6018551A (en) Method and apparatus for reproducing carrier
JPS615659A (ja) デイジタル位相変調方式
JPS62169554A (ja) 直交変調器の象限管理回路
JPH0225306B2 (enrdf_load_stackoverflow)
JP2795761B2 (ja) Ｍｓｋ信号復調回路