AU753799B2 - Wideband channelization using subsampled discrete fourier transforms - Google Patents

Wideband channelization using subsampled discrete fourier transforms Download PDF

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Publication number
AU753799B2
AU753799B2 AU89235/98A AU8923598A AU753799B2 AU 753799 B2 AU753799 B2 AU 753799B2 AU 89235/98 A AU89235/98 A AU 89235/98A AU 8923598 A AU8923598 A AU 8923598A AU 753799 B2 AU753799 B2 AU 753799B2
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AU
Australia
Prior art keywords
sequence
regularly spaced
signals
spaced channels
channelizer
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.)
Ceased
Application number
AU89235/98A
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English (en)
Other versions
AU8923598A (en
Inventor
Kambiz C. Zangi
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Ericsson Inc
Original Assignee
Ericsson Inc
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Filing date
Publication date
Application filed by Ericsson Inc filed Critical Ericsson Inc
Publication of AU8923598A publication Critical patent/AU8923598A/en
Application granted granted Critical
Publication of AU753799B2 publication Critical patent/AU753799B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0248—Filters characterised by a particular frequency response or filtering method
    • H03H17/0264—Filter sets with mutual related characteristics
    • H03H17/0266—Filter banks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0211—Frequency selective networks using specific transformation algorithms, e.g. WALSH functions, Fermat transforms, Mersenne transforms, polynomial transforms, Hilbert transforms
    • H03H17/0213—Frequency domain filters using Fourier transforms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/667—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using a division in frequency subbands

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Superheterodyne Receivers (AREA)
  • Complex Calculations (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
AU89235/98A 1997-08-29 1998-08-27 Wideband channelization using subsampled discrete fourier transforms Ceased AU753799B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/921186 1997-08-29
US08/921,186 US6005900A (en) 1997-08-29 1997-08-29 Wideband channelization using subsampled discrete fourier transforms
PCT/US1998/017790 WO1999010979A1 (en) 1997-08-29 1998-08-27 Wideband channelization using subsampled discrete fourier transforms

Publications (2)

Publication Number Publication Date
AU8923598A AU8923598A (en) 1999-03-16
AU753799B2 true AU753799B2 (en) 2002-10-31

Family

ID=25445053

Family Applications (1)

Application Number Title Priority Date Filing Date
AU89235/98A Ceased AU753799B2 (en) 1997-08-29 1998-08-27 Wideband channelization using subsampled discrete fourier transforms

Country Status (9)

Country Link
US (1) US6005900A (enExample)
EP (1) EP1016211B1 (enExample)
JP (1) JP4128746B2 (enExample)
KR (1) KR20010023224A (enExample)
CN (1) CN1269067A (enExample)
AU (1) AU753799B2 (enExample)
CA (1) CA2301105A1 (enExample)
DE (1) DE69804823T2 (enExample)
WO (1) WO1999010979A1 (enExample)

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US6898612B1 (en) * 1998-11-12 2005-05-24 Sarnoff Corporation Method and system for on-line blind source separation
US6351759B1 (en) * 1999-02-26 2002-02-26 Trw Inc. Digital channelizer having efficient architecture for discrete fourier transformation and operation thereof
US6411653B1 (en) * 1999-07-16 2002-06-25 Lucent Technologies Inc. Cascaded polyphase DFT-filter band for a wireless telecommunications system
US6747946B1 (en) * 1999-12-27 2004-06-08 Victor Company Of Japan, Ltd. Method and apparatus for transmitting orthogonal-multi-carrier signal
US7290021B2 (en) * 2001-04-24 2007-10-30 California Institute Of Technology Method and apparatus for parallel signal processing
US6996188B2 (en) 2001-06-25 2006-02-07 Cyntrust Communications, Inc. Multiple sub-channel modulation and demodulation with arbitrarily defined channel spacing and sampling rates
CN1327621C (zh) * 2003-07-02 2007-07-18 电子科技大学 一种新的超宽带信号的接收方法
US7027942B1 (en) 2004-10-26 2006-04-11 The Mitre Corporation Multirate spectral analyzer with adjustable time-frequency resolution
KR100842500B1 (ko) * 2005-06-29 2008-07-01 삼성전자주식회사 주파수 오버레이 통신 시스템에서 신호 송수신 시스템 및방법
KR100725405B1 (ko) * 2005-10-20 2007-06-07 삼성전자주식회사 Ｐｌｌ 주파수 합성기를 구비하지 않은 무선 수신 장치 및이를 이용한 무선 수신 방법
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
US8345804B2 (en) * 2007-06-14 2013-01-01 Alcatel Lucent Simplified RACH preamble detection receiver
DE102007036828B4 (de) 2007-08-03 2009-09-03 Oliver Bartels Funkgerät mit neuartigem CIFDM Modulationsverfahren
US8958510B1 (en) * 2010-06-10 2015-02-17 Fredric J. Harris Selectable bandwidth filter
US8803730B2 (en) * 2011-07-21 2014-08-12 The Boeing Company Radar pulse detection using a digital radar receiver
CN102355273B (zh) * 2011-08-17 2013-09-04 清华大学 数字信道化方法及电路
US9197283B1 (en) 2014-12-18 2015-11-24 Raytheon Company Reconfigurable wideband channelized receiver
CN106130581A (zh) * 2016-06-16 2016-11-16 中国电子科技集团公司第二十八研究所 一种多相滤波宽带数字信道化接收机改进系统
CN107749762A (zh) * 2017-09-26 2018-03-02 天津光电通信技术有限公司 一种多相滤波数字信道化实现方法
CN108259024A (zh) * 2018-02-26 2018-07-06 中国人民解放军国防科技大学 一种过d采样多相dft滤波器组设计方法
CN116827368B (zh) * 2023-08-29 2023-11-03 成都戎星科技有限公司 基于非均匀信道化进行信号完全重构的方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5606575A (en) * 1993-10-29 1997-02-25 Airnet Communications Corporation FFT-based channelizer and combiner employing residue-adder-implemented phase advance

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US4131766A (en) * 1977-07-11 1978-12-26 Granger Associates Digital filter bank
US5323391A (en) * 1992-10-26 1994-06-21 Motorola, Inc. Multi-channel digital transmitter and receiver
US5396489A (en) * 1992-10-26 1995-03-07 Motorola Inc. Method and means for transmultiplexing signals between signal terminals and radio frequency channels
US5293382A (en) * 1993-03-01 1994-03-08 Motorola, Inc. Method for FDMA signal multiplexing and demultiplexing
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
US5519692A (en) * 1995-03-20 1996-05-21 General Electric Company Geometric harmonic modulation (GHM)-digital implementation
US5629929A (en) * 1996-06-07 1997-05-13 Motorola, Inc. Apparatus for rapid interference cancellation and despreading of a CDMA waveform

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5606575A (en) * 1993-10-29 1997-02-25 Airnet Communications Corporation FFT-based channelizer and combiner employing residue-adder-implemented phase advance

Also Published As

Publication number Publication date
KR20010023224A (ko) 2001-03-26
JP2002519902A (ja) 2002-07-02
AU8923598A (en) 1999-03-16
EP1016211A1 (en) 2000-07-05
US6005900A (en) 1999-12-21
CA2301105A1 (en) 1999-03-04
EP1016211B1 (en) 2002-04-10
JP4128746B2 (ja) 2008-07-30
WO1999010979A1 (en) 1999-03-04
CN1269067A (zh) 2000-10-04
DE69804823D1 (de) 2002-05-16
DE69804823T2 (de) 2002-11-14

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FGA Letters patent sealed or granted (standard patent)
MK14 Patent ceased section 143(a) (annual fees not paid) or expired