DE3689353D1 - Phasenrotation von Signalen. - Google Patents

Phasenrotation von Signalen.

Info

Publication number
DE3689353D1
DE3689353D1 DE86307657T DE3689353T DE3689353D1 DE 3689353 D1 DE3689353 D1 DE 3689353D1 DE 86307657 T DE86307657 T DE 86307657T DE 3689353 T DE3689353 T DE 3689353T DE 3689353 D1 DE3689353 D1 DE 3689353D1
Authority
DE
Germany
Prior art keywords
signals
phase rotation
phase
rotation
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
DE86307657T
Other languages
English (en)
Other versions
DE3689353T2 (de
Inventor
Simon John Gale
Graham Roy Fearnhead
Mark Leslien Cyrus Furnace
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
Application granted granted Critical
Publication of DE3689353D1 publication Critical patent/DE3689353D1/de
Publication of DE3689353T2 publication Critical patent/DE3689353T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
    • G01S19/29—Acquisition or tracking or demodulation of signals transmitted by the system carrier including Doppler, related
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/02—Digital function generators
    • G06F1/03—Digital function generators working, at least partly, by table look-up
    • G06F1/035—Reduction of table size
    • G06F1/0353—Reduction of table size by using symmetrical properties of the function, e.g. using most significant bits for quadrant control

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE86307657T 1985-10-18 1986-10-03 Phasenrotation von Signalen. Expired - Fee Related DE3689353T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8525702A GB2181907B (en) 1985-10-18 1985-10-18 Phase rotation of signals

Publications (2)

Publication Number Publication Date
DE3689353D1 true DE3689353D1 (de) 1994-01-13
DE3689353T2 DE3689353T2 (de) 1994-03-17

Family

ID=10586863

Family Applications (1)

Application Number Title Priority Date Filing Date
DE86307657T Expired - Fee Related DE3689353T2 (de) 1985-10-18 1986-10-03 Phasenrotation von Signalen.

Country Status (5)

Country Link
US (1) US4796188A (de)
EP (1) EP0220005B1 (de)
CA (1) CA1261949A (de)
DE (1) DE3689353T2 (de)
GB (1) GB2181907B (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5333110A (en) * 1991-12-27 1994-07-26 Chrysler Corporation Electronic magnetic compass system and method for interpreting directions of a vehicle
DE4317152C2 (de) * 1993-05-24 1995-11-30 Mathaeus Dipl Ing Alberti Phasenschieber für adaptive Gruppenantennen
TW265433B (de) * 1993-07-16 1995-12-11 Philips Electronics Nv
US5497400A (en) * 1993-12-06 1996-03-05 Motorola, Inc. Decision feedback demodulator with phase and frequency estimation
US5504453A (en) * 1994-10-14 1996-04-02 Hughes Aircraft Company Method and device for estimating phase error
AUPN455695A0 (en) * 1995-08-01 1995-08-24 Canon Kabushiki Kaisha Qam spread spectrum demodulation system
JP3091120B2 (ja) * 1995-08-16 2000-09-25 三菱電機株式会社 Ｑｐｓｋ復調装置
KR100202956B1 (ko) * 1996-12-26 1999-06-15 전주범 디지털 신호 처리 시스템에서의 삼각 합수 룩업 테이블 액세스 방법 및 장치
US5978379A (en) * 1997-01-23 1999-11-02 Gadzoox Networks, Inc. Fiber channel learning bridge, learning half bridge, and protocol
US7430171B2 (en) 1998-11-19 2008-09-30 Broadcom Corporation Fibre channel arbitrated loop bufferless switch circuitry to increase bandwidth without significant increase in cost
US20010055348A1 (en) * 2000-03-31 2001-12-27 Anderson Christopher L. Sequential quadrant demodulation of digitally modulated radio signals
US6711391B1 (en) 2000-10-10 2004-03-23 Qualcomm, Incorporated Gain linearizer for variable gain amplifiers
US6748011B2 (en) * 2001-01-09 2004-06-08 Qualcomm, Incorporated Efficient multicarrier filter
US7760833B1 (en) * 2005-02-17 2010-07-20 Analog Devices, Inc. Quadrature demodulation with phase shift
US7486145B2 (en) * 2007-01-10 2009-02-03 International Business Machines Corporation Circuits and methods for implementing sub-integer-N frequency dividers using phase rotators

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3767905A (en) * 1971-05-12 1973-10-23 Solartron Electronic Group Addressable memory fft processor with exponential term generation
US3927312A (en) * 1974-10-31 1975-12-16 Us Army Vector rotator
US4231102A (en) * 1978-12-21 1980-10-28 Raytheon Company Cordic FFT processor
US4298959A (en) * 1979-11-23 1981-11-03 United Technologies Corporation Digital information transfer system (DITS) receiver
US4485383A (en) * 1980-12-01 1984-11-27 Texas Instruments Incorporated Global position system (GPS) multiplexed receiver
ES8303863A1 (es) * 1981-01-26 1983-02-01 Rca Corp "perfeccionamientos introducidos en una disposicion de tratamiento de senales digitales".
EP0083480B1 (de) * 1981-12-31 1988-08-17 The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Empfänger für Satelliten-Navigationssysteme
FR2525055A1 (fr) * 1982-04-09 1983-10-14 Trt Telecom Radio Electr Procede de correction de frequence de la porteuse locale dans le recepteur d'un systeme de transmission de donnees et recepteur utilisant ce procede
FR2529699A1 (fr) * 1982-07-02 1984-01-06 Trt Telecom Radio Electr Dispositif de commande d'un appareil synchro recepteur a partir d'informations fournies, d'une part, par un appareil synchro emetteur et, d'autre part, par un organe numerique
DE3374462D1 (en) * 1982-07-21 1987-12-17 Marconi Avionics Multi-dimensional-access memory system
GB2131177B (en) 1982-11-23 1986-07-30 Ford Motor Co Flame front sensor
US4530103A (en) * 1983-08-22 1985-07-16 E-Systems, Inc. Method and apparatus for baseband tracking of a PN code sequence in a spread spectrum receiver
GB2153177B (en) * 1984-01-19 1987-06-03 Standard Telephones Cables Ltd Digital navstar receiver
GB2155268B (en) 1984-03-01 1987-08-26 Standard Telephones Cables Ltd Digital navstar receiver
GB2172719B (en) 1985-03-22 1988-10-05 Stc Plc Digital phase rotation of signals

Also Published As

Publication number Publication date
DE3689353T2 (de) 1994-03-17
GB2181907B (en) 1989-10-11
EP0220005B1 (de) 1993-12-01
US4796188A (en) 1989-01-03
EP0220005A2 (de) 1987-04-29
CA1261949A (en) 1989-09-26
EP0220005A3 (en) 1990-04-25
GB2181907A (en) 1987-04-29

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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