FR2313813A1 - Convertisseur par correlation entre une sequence de codes n-aires et une sequence d'impulsions porteuses a 2n phases - Google Patents

Convertisseur par correlation entre une sequence de codes n-aires et une sequence d'impulsions porteuses a 2n phases

Info

Publication number
FR2313813A1
FR2313813A1 FR7616889A FR7616889A FR2313813A1 FR 2313813 A1 FR2313813 A1 FR 2313813A1 FR 7616889 A FR7616889 A FR 7616889A FR 7616889 A FR7616889 A FR 7616889A FR 2313813 A1 FR2313813 A1 FR 2313813A1
Authority
FR
France
Prior art keywords
sequence
aire
codes
correlation
phases
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.)
Granted
Application number
FR7616889A
Other languages
English (en)
Other versions
FR2313813B1 (fr
Inventor
Toshihiko Mitani
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.)
NEC Corp
Original Assignee
Nippon 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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Publication of FR2313813A1 publication Critical patent/FR2313813A1/fr
Application granted granted Critical
Publication of FR2313813B1 publication Critical patent/FR2313813B1/fr
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
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—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)
FR7616889A 1975-06-04 1976-06-03 Convertisseur par correlation entre une sequence de codes n-aires et une sequence d'impulsions porteuses a 2n phases Granted FR2313813A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50067851A JPS51144167A (en) 1975-06-04 1975-06-04 Digital phase modulation method

Publications (2)

Publication Number Publication Date
FR2313813A1 true FR2313813A1 (fr) 1976-12-31
FR2313813B1 FR2313813B1 (fr) 1982-03-12

Family

ID=13356864

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7616889A Granted FR2313813A1 (fr) 1975-06-04 1976-06-03 Convertisseur par correlation entre une sequence de codes n-aires et une sequence d'impulsions porteuses a 2n phases

Country Status (6)

Country Link
US (1) US4109101A (fr)
JP (1) JPS51144167A (fr)
CA (1) CA1083720A (fr)
DE (1) DE2625038C3 (fr)
FR (1) FR2313813A1 (fr)
IT (1) IT1079520B (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7709917A (nl) * 1977-09-09 1979-03-13 Philips Nv Systeem voor datatransmissie met behulp van een hoekgemoduleerde draaggolf van constante amplitude.
NL7901865A (nl) * 1979-03-08 1980-09-10 Philips Nv Systeem voor multiniveau datatransmissie met behulp van een hoekgemoduleerde draaggolf van constante amplitude.
US4675863A (en) 1985-03-20 1987-06-23 International Mobile Machines Corp. Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
DE3644066C2 (de) * 1986-08-07 2000-03-02 Interdigital Tech Corp Teilnehmereinheit für ein drahtloses digitales Telefonsystem
US4825448A (en) * 1986-08-07 1989-04-25 International Mobile Machines Corporation Subscriber unit for wireless digital telephone system
US5127022A (en) * 1989-11-21 1992-06-30 Nippon Hoso Kyokai Differential coding system
US5228059A (en) * 1989-11-21 1993-07-13 Nippon Hoso Kyokai Differential code transmission system
US5546383A (en) * 1993-09-30 1996-08-13 Cooley; David M. Modularly clustered radiotelephone system
US6133754A (en) * 1998-05-29 2000-10-17 Edo, Llc Multiple-valued logic circuit architecture; supplementary symmetrical logic circuit structure (SUS-LOC)
US9166834B2 (en) 2012-06-20 2015-10-20 MagnaCom Ltd. Method and system for corrupt symbol handling for providing high reliability sequences
US8681889B2 (en) 2012-06-20 2014-03-25 MagnaCom Ltd. Multi-mode orthogonal frequency division multiplexing receiver for highly-spectrally-efficient communications
US8824599B1 (en) 2012-06-20 2014-09-02 MagnaCom Ltd. Pilot symbol-aided sequence estimation for highly-spectrally-efficient communications
US8781008B2 (en) 2012-06-20 2014-07-15 MagnaCom Ltd. Highly-spectrally-efficient transmission using orthogonal frequency division multiplexing
US9088400B2 (en) 2012-11-14 2015-07-21 MagnaCom Ltd. Hypotheses generation based on multidimensional slicing
US8811548B2 (en) 2012-11-14 2014-08-19 MagnaCom, Ltd. Hypotheses generation based on multidimensional slicing
US9118519B2 (en) 2013-11-01 2015-08-25 MagnaCom Ltd. Reception of inter-symbol-correlated signals using symbol-by-symbol soft-output demodulator
US8804879B1 (en) 2013-11-13 2014-08-12 MagnaCom Ltd. Hypotheses generation based on multidimensional slicing
US9130637B2 (en) 2014-01-21 2015-09-08 MagnaCom Ltd. Communication methods and systems for nonlinear multi-user environments
US9496900B2 (en) 2014-05-06 2016-11-15 MagnaCom Ltd. Signal acquisition in a multimode environment
US8891701B1 (en) 2014-06-06 2014-11-18 MagnaCom Ltd. Nonlinearity compensation for reception of OFDM signals
US9246523B1 (en) 2014-08-27 2016-01-26 MagnaCom Ltd. Transmitter signal shaping
US9276619B1 (en) 2014-12-08 2016-03-01 MagnaCom Ltd. Dynamic configuration of modulation and demodulation
US9191247B1 (en) 2014-12-09 2015-11-17 MagnaCom Ltd. High-performance sequence estimation system and method of operation

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3829779A (en) * 1972-02-04 1974-08-13 Nippon Electric Co Multilevel code transmission system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3100890A (en) * 1960-10-11 1963-08-13 Bell Telephone Labor Inc Data transmission
US3485949A (en) * 1966-05-02 1969-12-23 Gen Dynamics Corp Differential phase shift keying receiver with information modulated on a plurality of tones
US3798371A (en) * 1971-10-08 1974-03-19 Collins Radio Co Data modem apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3829779A (en) * 1972-02-04 1974-08-13 Nippon Electric Co Multilevel code transmission system

Also Published As

Publication number Publication date
CA1083720A (fr) 1980-08-12
JPS51144167A (en) 1976-12-10
US4109101A (en) 1978-08-22
DE2625038B2 (de) 1979-04-05
IT1079520B (it) 1985-05-13
DE2625038C3 (de) 1979-11-15
FR2313813B1 (fr) 1982-03-12
DE2625038A1 (de) 1977-04-14

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Legal Events

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