SE9802059D0 - Digital channeliser and De-shanneliser - Google Patents

Digital channeliser and De-shanneliser

Info

Publication number
SE9802059D0
SE9802059D0 SE9802059A SE9802059A SE9802059D0 SE 9802059 D0 SE9802059 D0 SE 9802059D0 SE 9802059 A SE9802059 A SE 9802059A SE 9802059 A SE9802059 A SE 9802059A SE 9802059 D0 SE9802059 D0 SE 9802059D0
Authority
SE
Sweden
Prior art keywords
channelization
signal processing
size
additional signal
filtering
Prior art date
Application number
SE9802059A
Other languages
English (en)
Inventor
Richard Hellberg
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
Priority to SE9802059A priority Critical patent/SE9802059D0/sv
Publication of SE9802059D0 publication Critical patent/SE9802059D0/sv
Priority to PCT/SE1999/000971 priority patent/WO1999065172A1/en
Priority to AU48108/99A priority patent/AU756733B2/en
Priority to DE69934403T priority patent/DE69934403T2/de
Priority to KR1020007014018A priority patent/KR100540351B1/ko
Priority to EP99931665A priority patent/EP1086542B1/en
Priority to CA002334668A priority patent/CA2334668C/en
Priority to CNB998095958A priority patent/CN1153386C/zh
Priority to JP2000554078A priority patent/JP4056700B2/ja
Priority to US09/731,775 priority patent/US7227902B2/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2627—Modulators
    • H04L27/2628—Inverse Fourier transform modulators, e.g. inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators
    • H04L27/263—Inverse Fourier transform modulators, e.g. inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators modification of IFFT/IDFT modulator for performance improvement
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2649—Demodulators
    • H04L27/265—Fourier transform demodulators, e.g. fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators
    • H04L27/2651—Modification of fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators for performance improvement
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Complex Calculations (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
SE9802059A 1998-06-10 1998-06-10 Digital channeliser and De-shanneliser SE9802059D0 (sv)

Priority Applications (10)

Application Number Priority Date Filing Date Title
SE9802059A SE9802059D0 (sv) 1998-06-10 1998-06-10 Digital channeliser and De-shanneliser
PCT/SE1999/000971 WO1999065172A1 (en) 1998-06-10 1999-06-04 A method and apparatus for digital channelisation and de-channelisation
AU48108/99A AU756733B2 (en) 1998-06-10 1999-06-04 A method and apparatus for digital channelisation and de-channelisation
DE69934403T DE69934403T2 (de) 1998-06-10 1999-06-04 Verfahren und vorrichtung zur digitalen kanalisierung und dekanalisierung
KR1020007014018A KR100540351B1 (ko) 1998-06-10 1999-06-04 디지털 채널화 및 역채널화 방법 및 장치
EP99931665A EP1086542B1 (en) 1998-06-10 1999-06-04 A method and apparatus for digital channelisation and de-channelisation
CA002334668A CA2334668C (en) 1998-06-10 1999-06-04 A method and apparatus for digital channelisation and de-channelisation
CNB998095958A CN1153386C (zh) 1998-06-10 1999-06-04 用于数字信道化和解信道化的方法和系统
JP2000554078A JP4056700B2 (ja) 1998-06-10 1999-06-04 デジタルチャネル分離とチャネル統合のための装置と方法
US09/731,775 US7227902B2 (en) 1998-06-10 2000-12-08 Method and apparatus for digital channelisation and de-channelisation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9802059A SE9802059D0 (sv) 1998-06-10 1998-06-10 Digital channeliser and De-shanneliser

Publications (1)

Publication Number Publication Date
SE9802059D0 true SE9802059D0 (sv) 1998-06-10

Family

ID=20411645

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9802059A SE9802059D0 (sv) 1998-06-10 1998-06-10 Digital channeliser and De-shanneliser

Country Status (10)

Country Link
US (1) US7227902B2 (sv)
EP (1) EP1086542B1 (sv)
JP (1) JP4056700B2 (sv)
KR (1) KR100540351B1 (sv)
CN (1) CN1153386C (sv)
AU (1) AU756733B2 (sv)
CA (1) CA2334668C (sv)
DE (1) DE69934403T2 (sv)
SE (1) SE9802059D0 (sv)
WO (1) WO1999065172A1 (sv)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6266687B1 (en) * 1998-09-18 2001-07-24 Telefonaktiebolaget Lm Ericsson (Publ) Flexibility enhancement to the modified fast convolution algorithm
US6324559B1 (en) 1998-10-16 2001-11-27 Telefonaktiebolaget Lm Ericsson (Publ) Odd-transform fast convolution
FR2817100B1 (fr) * 2000-11-17 2003-08-22 Cit Alcatel Procede pour optimiser les performances d'un emetteur pour systeme de radiocommunications mobiles
GB2382506B (en) * 2001-11-22 2004-11-17 Ubinetics Ltd A data processing circuit
US7142607B2 (en) 2002-05-28 2006-11-28 Massachusetts Institute Of Technology Efficient subband channelizer and subband combiner with oversampled subbands
US7388932B1 (en) * 2002-12-30 2008-06-17 Broadlogic Network Technologies, Inc. Fully parallel multi-channel demodulator
US7688904B2 (en) * 2005-05-12 2010-03-30 Intellon Corporation Generating signals for transmission of information
KR100810280B1 (ko) 2005-05-27 2008-03-06 삼성전자주식회사 주파수 오버레이 통신 시스템에서 데이터 송수신 방법 및 시스템
US7620673B2 (en) * 2005-09-19 2009-11-17 The United States Of America As Represented By The Secretary Of The Air Force Complimentary discrete fourier transform processor
US9106394B1 (en) * 2006-02-24 2015-08-11 The United States of America as presented by the Secretary of the Navy Signal event detection system
KR100790534B1 (ko) * 2006-08-01 2008-01-02 주식회사 몬도시스템즈 컨벌루션 중첩-보류 기법이 적용되는 신호처리 장치 및방법
US8041477B2 (en) * 2006-11-21 2011-10-18 Lockheed Martin Corporation Methods and apparatus for providing access to vehicle electronic systems
JP4900201B2 (ja) * 2007-11-16 2012-03-21 富士通株式会社 無線送信装置
US8395986B2 (en) * 2007-12-20 2013-03-12 Intel Mobile Communications GmbH Transmitter and receiver
JP2011004264A (ja) * 2009-06-19 2011-01-06 Fujitsu Ltd ディジタル信号処理装置およびディジタル信号処理方法
US8761280B1 (en) * 2010-10-20 2014-06-24 Fredric J. Harris Fragmentation channelizer
WO2013033840A1 (en) * 2011-09-09 2013-03-14 Per Vices Corporation Systems and methods for performing demodulation and modulation on software defined radios
US9716573B2 (en) * 2014-06-13 2017-07-25 Futurewei Technologies, Inc. Aggregated touchless wireless fronthaul
US11336496B2 (en) 2014-10-02 2022-05-17 Stmicroelectronics Sa Real time OFDM transmission system
CN107113257B (zh) * 2015-01-30 2020-07-10 南通数动互联科技有限公司 数据处理的方法和装置
US10027413B2 (en) 2015-06-18 2018-07-17 Futurewei Technologies, Inc. Cascaded waveform modulation with an embedded control signal for high-performance mobile fronthaul
CN107544943B (zh) * 2017-08-28 2021-02-19 湖南时变通讯科技有限公司 一种基于fft库函数的部分频点的计算方法及装置
US10511380B2 (en) * 2017-12-20 2019-12-17 Raytheon Company System and method for efficient wideband code division multiplexing in subband domain
CN111262807B (zh) * 2018-11-30 2021-07-16 华为技术有限公司 一种数据流复用的方法及终端

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4141072A (en) * 1976-12-28 1979-02-20 Xerox Corporation Frequency domain automatic equalizer using minimum mean square error correction criteria
GB2134286B (en) * 1983-01-26 1986-05-14 Schlumberger Electronics Apparatus for and method of random vibration control
ATE131948T1 (de) * 1987-08-21 1996-01-15 Commw Scient Ind Res Org Transformationsverarbeitungsschaltung
GB9104186D0 (en) * 1991-02-28 1991-04-17 British Aerospace Apparatus for and method of digital signal processing
US5365470A (en) * 1993-02-10 1994-11-15 Trw Inc. Fast fourier transform multiplexed pipeline
US5606575A (en) * 1993-10-29 1997-02-25 Airnet Communications Corporation FFT-based channelizer and combiner employing residue-adder-implemented phase advance
US5537435A (en) * 1994-04-08 1996-07-16 Carney; Ronald Transceiver apparatus employing wideband FFT channelizer with output sample timing adjustment and inverse FFT combiner for multichannel communication network
US5671168A (en) * 1995-07-06 1997-09-23 Technion Research & Development Foundation Ltd. Digital frequency-domain implementation of arrays
US5886749A (en) * 1996-12-13 1999-03-23 Cable Television Laboratories, Inc. Demodulation using a time domain guard interval with an overlapped transform

Also Published As

Publication number Publication date
JP2002518878A (ja) 2002-06-25
CN1312987A (zh) 2001-09-12
US7227902B2 (en) 2007-06-05
US20010030940A1 (en) 2001-10-18
KR100540351B1 (ko) 2006-01-10
JP4056700B2 (ja) 2008-03-05
DE69934403T2 (de) 2007-09-27
CA2334668C (en) 2008-04-22
CN1153386C (zh) 2004-06-09
EP1086542A1 (en) 2001-03-28
DE69934403D1 (de) 2007-01-25
AU4810899A (en) 1999-12-30
AU756733B2 (en) 2003-01-23
WO1999065172A1 (en) 1999-12-16
EP1086542B1 (en) 2006-12-13
CA2334668A1 (en) 1999-12-16
KR20010072602A (ko) 2001-07-31

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