AU2001227779A1 - 8-psk transmission filtering using reduced look-up tables - Google Patents

8-psk transmission filtering using reduced look-up tables

Info

Publication number
AU2001227779A1
AU2001227779A1 AU2001227779A AU2777901A AU2001227779A1 AU 2001227779 A1 AU2001227779 A1 AU 2001227779A1 AU 2001227779 A AU2001227779 A AU 2001227779A AU 2777901 A AU2777901 A AU 2777901A AU 2001227779 A1 AU2001227779 A1 AU 2001227779A1
Authority
AU
Australia
Prior art keywords
tables
transmission filtering
psk transmission
reduced look
look
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.)
Abandoned
Application number
AU2001227779A
Inventor
Paul W. Dent
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.)
Ericsson Inc
Original Assignee
Ericsson Inc
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 Inc filed Critical Ericsson Inc
Publication of AU2001227779A1 publication Critical patent/AU2001227779A1/en
Abandoned 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
    • H04L27/20—Modulator circuits; Transmitter 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
    • H04L27/2092—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)
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
    • H04L25/03834—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using pulse shaping
    • 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
    • H04L27/2003—Modulator circuits; Transmitter circuits for continuous phase modulation
    • H04L27/2021—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change per symbol period is not constrained
    • H04L27/2028—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change per symbol period is not constrained in which the phase changes are non-linear

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Power Engineering (AREA)
  • Nonlinear Science (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
AU2001227779A 2000-02-08 2001-01-10 8-psk transmission filtering using reduced look-up tables Abandoned AU2001227779A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/500,366 US7046738B1 (en) 2000-02-08 2000-02-08 8-PSK transmit filtering using reduced look up tables
US09500366 2000-02-08
PCT/US2001/000735 WO2001060004A1 (en) 2000-02-08 2001-01-10 8-psk transmission filtering using reduced look-up tables

Publications (1)

Publication Number Publication Date
AU2001227779A1 true AU2001227779A1 (en) 2001-08-20

Family

ID=23989089

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001227779A Abandoned AU2001227779A1 (en) 2000-02-08 2001-01-10 8-psk transmission filtering using reduced look-up tables

Country Status (5)

Country Link
US (1) US7046738B1 (en)
EP (1) EP1256221A1 (en)
KR (1) KR20020079794A (en)
AU (1) AU2001227779A1 (en)
WO (1) WO2001060004A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2002214922A1 (en) * 2000-08-31 2002-04-08 Huawei Technologies Co., Ltd. Method and apparatuses of 8psk modulation
EP1213889B1 (en) * 2000-12-07 2004-02-25 Motorola, Inc. Waveform generator for use in quadrature modulation (I/Q)
WO2002060146A1 (en) * 2001-01-26 2002-08-01 Nokia Corporation Method of implementing modulation and modulator
KR100588753B1 (en) * 2001-12-13 2006-06-13 매그나칩 반도체 유한회사 PSK type modulator
KR20070080815A (en) * 2006-02-08 2007-08-13 한국전자통신연구원 Apparatus and method for quadrature phase shift keying
KR100889742B1 (en) * 2006-02-08 2009-03-24 한국전자통신연구원 Apparatus and method for I/Q modulation
US20080123515A1 (en) * 2006-06-16 2008-05-29 Boehlke Kenneth A Orthogonal frequency multiplexing
EP2162985B1 (en) * 2007-05-25 2018-07-11 Telefonaktiebolaget LM Ericsson (publ) Method and apparatus for communicating with root-nyquist, self-transform pulse shapes
KR20120047379A (en) * 2010-11-03 2012-05-14 한국전자통신연구원 Spread spectrum clock generator
US9743473B2 (en) * 2013-03-15 2017-08-22 Lumenetix, Inc. Cascade LED driver and control methods
US9325549B2 (en) 2014-03-27 2016-04-26 Freescale Semiconductor, Inc. Converter unit for an M-order digital modulation and a method thereof
US10587354B1 (en) * 2018-11-26 2020-03-10 Intel Corporation Multiphase transmitter digital front end

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4812786A (en) * 1987-09-28 1989-03-14 California Institute Of Technology Method and system for providing precise multi-function modulation
JPH07114345B2 (en) * 1988-05-28 1995-12-06 日本電気株式会社 Modulator
GB9218009D0 (en) * 1992-08-25 1992-10-14 Philips Electronics Uk Ltd A method of,and transmitter for,transmitting a digital signal
US5867537A (en) * 1992-10-27 1999-02-02 Ericsson Inc. Balanced tranversal I,Q filters for quadrature modulators
US5530722A (en) 1992-10-27 1996-06-25 Ericsson Ge Mobile Communications Inc. Quadrature modulator with integrated distributed RC filters
US5673291A (en) * 1994-09-14 1997-09-30 Ericsson Inc. Simultaneous demodulation and decoding of a digitally modulated radio signal using known symbols
WO1999011040A1 (en) * 1997-08-25 1999-03-04 Nokia Networks Oy Digital modulator for angle and/or amplitude modulation

Also Published As

Publication number Publication date
US7046738B1 (en) 2006-05-16
KR20020079794A (en) 2002-10-19
EP1256221A1 (en) 2002-11-13
WO2001060004A1 (en) 2001-08-16

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