DE69117780D1 - Synthese von RF-Signalen - Google Patents

Synthese von RF-Signalen

Info

Publication number
DE69117780D1
DE69117780D1 DE69117780T DE69117780T DE69117780D1 DE 69117780 D1 DE69117780 D1 DE 69117780D1 DE 69117780 T DE69117780 T DE 69117780T DE 69117780 T DE69117780 T DE 69117780T DE 69117780 D1 DE69117780 D1 DE 69117780D1
Authority
DE
Germany
Prior art keywords
synthesis
signals
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
DE69117780T
Other languages
English (en)
Other versions
DE69117780T2 (de
Inventor
Arnold George Read
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.)
Nortel Networks Ltd
Original Assignee
Northern Telecom 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 Northern Telecom Ltd filed Critical Northern Telecom Ltd
Publication of DE69117780D1 publication Critical patent/DE69117780D1/de
Application granted granted Critical
Publication of DE69117780T2 publication Critical patent/DE69117780T2/de
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
    • H04L27/0008—Modulated-carrier systems arrangements for allowing a transmitter or receiver to use more than one type of modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Amplitude Modulation (AREA)
DE69117780T 1990-02-16 1991-01-17 Synthese von RF-Signalen Expired - Fee Related DE69117780T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9003582A GB2241129B (en) 1990-02-16 1990-02-16 Apparatus for generating complex composite rf signals

Publications (2)

Publication Number Publication Date
DE69117780D1 true DE69117780D1 (de) 1996-04-18
DE69117780T2 DE69117780T2 (de) 1996-08-01

Family

ID=10671147

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69117780T Expired - Fee Related DE69117780T2 (de) 1990-02-16 1991-01-17 Synthese von RF-Signalen

Country Status (5)

Country Link
US (1) US5159607A (de)
EP (1) EP0442611B1 (de)
CA (1) CA2034886C (de)
DE (1) DE69117780T2 (de)
GB (1) GB2241129B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5469469A (en) * 1993-12-07 1995-11-21 University Of Massachusetts Lowell Research Foundation Composite spread spectrum signal including modulator demodulator
FI98420C (fi) * 1995-01-24 1997-06-10 Nokia Mobile Phones Ltd Menetelmä ja kytkentä moduloidun signaalin muodostamiseksi lähetin/vastaanottimessa
US10382246B2 (en) * 2014-01-07 2019-08-13 Quantumsine Acquisitions Inc. Combined amplitude-time and phase modulation
US11140018B2 (en) * 2014-01-07 2021-10-05 Quantumsine Acquisitions Inc. Method and apparatus for intra-symbol multi-dimensional modulation

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB742977A (en) * 1953-12-14 1956-01-04 Standard Telephones Cables Ltd Improvements in or relating to electric carrier current communication systems
US4308617A (en) * 1977-11-07 1981-12-29 The Bendix Corporation Noiselike amplitude and phase modulation coding for spread spectrum transmissions
EP0139033B1 (de) * 1983-10-21 1988-07-06 ANT Nachrichtentechnik GmbH Digitales RF-Direktmodulationsverfahren und Schaltungsanordnung zu seiner Durchführung
US4543066A (en) * 1984-03-30 1985-09-24 The United States Of America As Represented By The Secretary Of The Navy Digital transmitter simulator
FR2577081B1 (fr) * 1985-02-01 1991-01-11 Enertec Procede et dispositif de calage en phase rapide d'un signal d'horloge
US4717894A (en) * 1986-10-23 1988-01-05 Hewlett-Packard Company Calibration of vector modulators using a scalar detector
US4888788A (en) * 1986-11-20 1989-12-19 Matsushita Electric Industrial Co., Ltd. Transmitting and receiving systems
US4812786A (en) * 1987-09-28 1989-03-14 California Institute Of Technology Method and system for providing precise multi-function modulation
US4922506A (en) * 1988-01-11 1990-05-01 Sicom Corporation Compensating for distortion in a communication channel
US5022048A (en) * 1990-07-26 1991-06-04 Unisys Corp. Programmable digital frequency-phase discriminator

Also Published As

Publication number Publication date
EP0442611B1 (de) 1996-03-13
GB2241129B (en) 1993-04-07
CA2034886C (en) 2000-12-26
GB2241129A (en) 1991-08-21
EP0442611A3 (en) 1993-01-13
US5159607A (en) 1992-10-27
EP0442611A2 (de) 1991-08-21
DE69117780T2 (de) 1996-08-01
GB9003582D0 (en) 1990-04-11
CA2034886A1 (en) 1991-08-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee