GB1356179A - Amplitude-modulated eight-phase phase-modulated system - Google Patents

Amplitude-modulated eight-phase phase-modulated system

Info

Publication number
GB1356179A
GB1356179A GB3815671A GB3815671A GB1356179A GB 1356179 A GB1356179 A GB 1356179A GB 3815671 A GB3815671 A GB 3815671A GB 3815671 A GB3815671 A GB 3815671A GB 1356179 A GB1356179 A GB 1356179A
Authority
GB
United Kingdom
Prior art keywords
phase
bits
detected
wave
modulated
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
GB3815671A
Other languages
English (en)
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.)
KDDI Corp
Original Assignee
Kokusai Denshin Denwa KK
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 Kokusai Denshin Denwa KK filed Critical Kokusai Denshin Denwa KK
Publication of GB1356179A publication Critical patent/GB1356179A/en
Expired 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
    • H04L27/32—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
    • H04L27/361—Modulation using a single or unspecified number of carriers, e.g. with separate stages of phase and amplitude modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
GB3815671A 1970-08-14 1971-08-13 Amplitude-modulated eight-phase phase-modulated system Expired GB1356179A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45071226A JPS5038488B1 (enrdf_load_stackoverflow) 1970-08-14 1970-08-14

Publications (1)

Publication Number Publication Date
GB1356179A true GB1356179A (en) 1974-06-12

Family

ID=13454542

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3815671A Expired GB1356179A (en) 1970-08-14 1971-08-13 Amplitude-modulated eight-phase phase-modulated system

Country Status (3)

Country Link
US (1) US3706945A (enrdf_load_stackoverflow)
JP (1) JPS5038488B1 (enrdf_load_stackoverflow)
GB (1) GB1356179A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0031193A1 (en) * 1979-08-31 1981-07-01 Paradyne Corporation Double sideband quadrature carrier modulation system and method of transmitting information using the point constellation of such a system

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5125303B1 (enrdf_load_stackoverflow) * 1971-02-10 1976-07-30
USRE33056E (en) * 1971-09-14 1989-09-12 Codex Corporation Signal structures for double side band-quadrature carrier modulation
US3887768A (en) * 1971-09-14 1975-06-03 Codex Corp Signal structures for double side band-quadrature carrier modulation
US3787785A (en) * 1972-05-15 1974-01-22 Collins Radio Co Phase representative digital signal modulating apparatus
US3824498A (en) * 1972-12-22 1974-07-16 Dallas Instr Inc Digital processor for selectively synthesizing sinusoidal waveforms and frequency modulations
US3943285A (en) * 1973-05-10 1976-03-09 Milgo Electronic Corporation Multiplexed data modem
US3885228A (en) * 1973-06-05 1975-05-20 Martin J Katz Fail-safe electronic encoder for selectively operating railway signal indicator
FR2270721B1 (enrdf_load_stackoverflow) * 1974-04-12 1976-10-08 Europ Teletransmission
GB1519972A (en) * 1974-07-19 1978-08-02 Nippon Telegraph & Telephone Data transmission system
US4217467A (en) * 1974-07-19 1980-08-12 Nippon Telegraph & Telephone Public Corporation Amplitude and periodic phase modulation transmission system
US3988539A (en) * 1974-09-16 1976-10-26 Hycom Incorporated Data transmission system using optimal eight-vector signaling scheme
DE2544124C3 (de) * 1974-10-04 1982-02-25 CSELT-Centro Studi e Laboratori Telecomunicazioni S.p.A., Torino Rückkopplungsentzerrer
US4037049A (en) * 1974-10-18 1977-07-19 Intertel, Inc. Modulator and demodulator for data communications network
JPS5157278A (en) * 1974-11-15 1976-05-19 Kuniaki Myazawa Shingodensohoho oyobi sochi
US3983485A (en) * 1975-02-28 1976-09-28 Rixon Inc. Multi-phase and multi-amplitude level modulator and modulation and demodulation methods
IT1030453B (it) * 1975-03-27 1979-03-30 Cselt Centro Studi Lab Telecom Organo di decisione per ricevitori di segnali numerici a piu livelli modulati in fase o in fase e ampiezza
US4084137A (en) * 1976-08-24 1978-04-11 Communications Satellite Corporation Multidimensional code communication systems
US4213094A (en) * 1978-07-13 1980-07-15 Raytheon Company Poly-phase modulation systems
US4379947A (en) * 1979-02-02 1983-04-12 Teleprompter Corporation System for transmitting data simultaneously with audio
DE3117134A1 (de) * 1981-04-30 1982-11-18 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Digitale modulationsverfahren
JPS5985166A (ja) * 1982-10-29 1984-05-17 Fujitsu Ltd 位相変調器
DE3934187C1 (enrdf_load_stackoverflow) * 1989-10-13 1991-03-14 Ant Nachrichtentechnik Gmbh, 7150 Backnang, De
US5796784A (en) * 1996-03-27 1998-08-18 Motorola, Inc. Method and apparatus for modifying amplitude of at least one symbol
FR2884373B1 (fr) * 2005-04-12 2009-07-10 Commissariat Energie Atomique Procede de communication sans contact base sur des modulations et demodulations asynchrones
US9014293B2 (en) * 2013-03-15 2015-04-21 Tm Ip Holdings, Llc Transpositional modulation systems and methods
US9515815B2 (en) 2013-03-15 2016-12-06 Tm Ip Holdings, Llc Transpositional modulation systems, methods and devices
US9882764B1 (en) 2017-04-13 2018-01-30 Tm Ip Holdings, Llc Transpositional modulation
US10578709B1 (en) 2017-04-20 2020-03-03 Tm Ip Holdings, Llc Transpositional modulation for defensive measures
US10341161B2 (en) 2017-07-10 2019-07-02 Tm Ip Holdings, Llc Multi-dimensional signal encoding
WO2019236746A1 (en) 2018-06-05 2019-12-12 Tm Ip Holdings, Llc Transpositional modulation and demodulation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL237586A (enrdf_load_stackoverflow) * 1958-03-27
US3341776A (en) * 1964-01-13 1967-09-12 Collins Radio Co Error sensitive binary transmission system wherein four channels are transmitted via one carrier wave
US3406383A (en) * 1964-08-21 1968-10-15 Robertshaw Controls Co Analog keyed phase transmitter and system
DE1222974B (de) * 1965-02-04 1966-08-18 Siemens Ag Verfahren und Schaltungsanordnung zur UEbertragung binaerer Signale in hoeher codierter Form

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0031193A1 (en) * 1979-08-31 1981-07-01 Paradyne Corporation Double sideband quadrature carrier modulation system and method of transmitting information using the point constellation of such a system

Also Published As

Publication number Publication date
US3706945A (en) 1972-12-19
JPS5038488B1 (enrdf_load_stackoverflow) 1975-12-10

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee