BR9611608A - Processo e aparelho para determinar um componente de quadradura - Google Patents

Processo e aparelho para determinar um componente de quadradura

Info

Publication number
BR9611608A
BR9611608A BR9611608A BR9611608A BR9611608A BR 9611608 A BR9611608 A BR 9611608A BR 9611608 A BR9611608 A BR 9611608A BR 9611608 A BR9611608 A BR 9611608A BR 9611608 A BR9611608 A BR 9611608A
Authority
BR
Brazil
Prior art keywords
determining
square component
square
component
Prior art date
Application number
BR9611608A
Other languages
English (en)
Inventor
Thomas Ostman
Anders Engman
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of BR9611608A publication Critical patent/BR9611608A/pt

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
    • H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
    • H04L27/2092—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner with digital generation of the modulated carrier (does not include the modulation of a digitally generated carrier)

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Complex Calculations (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
BR9611608A 1995-11-24 1996-11-15 Processo e aparelho para determinar um componente de quadradura BR9611608A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/562,464 US5778027A (en) 1995-11-24 1995-11-24 Method and apparatus for determining signal components using digital signal processing
PCT/SE1996/001486 WO1997019540A1 (en) 1995-11-24 1996-11-15 Reduction of the amount of memory needed by a dsp modulator

Publications (1)

Publication Number Publication Date
BR9611608A true BR9611608A (pt) 1999-03-30

Family

ID=24246396

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9611608A BR9611608A (pt) 1995-11-24 1996-11-15 Processo e aparelho para determinar um componente de quadradura

Country Status (6)

Country Link
US (1) US5778027A (pt)
AU (1) AU721642B2 (pt)
BR (1) BR9611608A (pt)
CA (1) CA2238332C (pt)
MX (1) MX9804019A (pt)
WO (1) WO1997019540A1 (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0982905B1 (en) * 1998-08-28 2005-08-10 Sony International (Europe) GmbH Universal PSK modulation apparatus and method
EP1303074B1 (en) * 2001-10-15 2015-04-08 Broadcom Corporation Symbol synchronisation in EDGE handsets

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8402318A (nl) * 1984-07-23 1986-02-17 Philips Nv Inrichting voor het genereren van een hoekgemoduleerd draaggolfsignaal van constante amplitude in responsie op datasignalen.
US4648098A (en) * 1984-12-17 1987-03-03 Allied Corporation Signal generator and correlator for receiving minimum shift keyed data
US5022054A (en) * 1988-11-30 1991-06-04 Motorola, Inc. Digital GMSK modulator with non-integer bit interval handling
GB2270447B (en) * 1989-08-14 1994-05-25 Interdigital Tech Corp A subscriber unit
JP2853230B2 (ja) * 1990-01-31 1999-02-03 日本電気株式会社 ディジタルフィルタ装置
ES2150922T3 (es) * 1990-06-05 2000-12-16 Siemens Metering Ltd Metodo de señalizacion.
US5216391A (en) * 1991-04-26 1993-06-01 Kabushiki Kaisha Kenwood MSK modulator having a digital quadrature reference waveform generator
US5420887A (en) * 1992-03-26 1995-05-30 Pacific Communication Sciences Programmable digital modulator and methods of modulating digital data
US5648982A (en) * 1994-09-09 1997-07-15 Omnipoint Corporation Spread spectrum transmitter
US5627499A (en) * 1995-10-13 1997-05-06 Pacific Communication Sciences, Inc. Digital modulator and upconverter having single-bit delta-sigma data converters

Also Published As

Publication number Publication date
US5778027A (en) 1998-07-07
CA2238332A1 (en) 1997-05-29
MX9804019A (es) 1998-09-30
AU721642B2 (en) 2000-07-13
WO1997019540A1 (en) 1997-05-29
AU7714696A (en) 1997-06-11
CA2238332C (en) 2003-04-15

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Legal Events

Date Code Title Description
EG Technical examination (opinion): publication of technical examination (opinion)
B11D Dismissal acc. art. 38, par 2 of ipl - failure to pay fee after grant in time