AU6497399A - Apparatus for performing a non-integer sampling rate change in a multichannel polyphase filter - Google Patents

Apparatus for performing a non-integer sampling rate change in a multichannel polyphase filter

Info

Publication number
AU6497399A
AU6497399A AU64973/99A AU6497399A AU6497399A AU 6497399 A AU6497399 A AU 6497399A AU 64973/99 A AU64973/99 A AU 64973/99A AU 6497399 A AU6497399 A AU 6497399A AU 6497399 A AU6497399 A AU 6497399A
Authority
AU
Australia
Prior art keywords
sampling rate
rate change
polyphase filter
integer sampling
multichannel polyphase
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
AU64973/99A
Other languages
English (en)
Inventor
James Wesley Mccoy
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.)
Motorola Solutions Inc
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of AU6497399A publication Critical patent/AU6497399A/en
Abandoned legal-status Critical Current

Links

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
    • H03H17/06—Non-recursive filters
    • H03H17/0621—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing
    • H03H17/0635—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies
    • H03H17/0685—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies the ratio being rational
    • 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
    • H03H17/0273—Polyphase filters
    • 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
    • H03H17/0273—Polyphase filters
    • H03H17/0275—Polyphase filters comprising non-recursive filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H2218/00—Indexing scheme relating to details of digital filters
    • H03H2218/06—Multiple-input, multiple-output [MIMO]; Multiple-input, single-output [MISO]

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
AU64973/99A 1998-10-19 1999-09-15 Apparatus for performing a non-integer sampling rate change in a multichannel polyphase filter Abandoned AU6497399A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US17486198A 1998-10-19 1998-10-19
US09174861 1998-10-19
US09176781 1998-10-22
US09/176,781 US6134268A (en) 1998-10-19 1998-10-22 Apparatus for performing a non-integer sampling rate change in a multichannel polyphase filter
PCT/US1999/021274 WO2000024122A1 (en) 1998-10-19 1999-09-15 Apparatus for performing a non-integer sampling rate change in a multichannel polyphase filter

Publications (1)

Publication Number Publication Date
AU6497399A true AU6497399A (en) 2000-05-08

Family

ID=26870611

Family Applications (1)

Application Number Title Priority Date Filing Date
AU64973/99A Abandoned AU6497399A (en) 1998-10-19 1999-09-15 Apparatus for performing a non-integer sampling rate change in a multichannel polyphase filter

Country Status (6)

Country Link
US (1) US6134268A (enExample)
EP (1) EP1125363A4 (enExample)
JP (1) JP4440473B2 (enExample)
CN (1) CN1127801C (enExample)
AU (1) AU6497399A (enExample)
WO (1) WO2000024122A1 (enExample)

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US5978379A (en) 1997-01-23 1999-11-02 Gadzoox Networks, Inc. Fiber channel learning bridge, learning half bridge, and protocol
JP2000022658A (ja) * 1998-06-26 2000-01-21 Hitachi Denshi Ltd 複数搬送波変調方式
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
EP1114511A1 (en) * 1999-04-22 2001-07-11 Koninklijke Philips Electronics N.V. Sample rate converter
US6463450B1 (en) * 1999-08-26 2002-10-08 Ericsson Inc. Method and apparatus for the location of the peak of a function using a filter bank
US6747946B1 (en) * 1999-12-27 2004-06-08 Victor Company Of Japan, Ltd. Method and apparatus for transmitting orthogonal-multi-carrier signal
US7012983B2 (en) 2000-04-28 2006-03-14 Broadcom Corporation Timing recovery and phase tracking system and method
US7245638B2 (en) * 2000-07-21 2007-07-17 Broadcom Corporation Methods and systems for DSP-based receivers
US7564866B2 (en) * 2000-07-21 2009-07-21 Broadcom Corporation Methods and systems for digitally processing optical data signals
US6531969B2 (en) * 2001-05-02 2003-03-11 Portalplayer, Inc. Resampling system and apparatus
US7158591B2 (en) * 2001-05-09 2007-01-02 Signum Concept, Inc. Recursive resampling digital filter structure for demodulating 3G wireless signals
US7164741B2 (en) * 2001-05-09 2007-01-16 Signum Concept, Inc. Non-recursive resampling digital fir filter structure for demodulating 3G cellular signals
FR2825552B1 (fr) * 2001-05-30 2004-07-09 Mitsubishi Electric Inf Tech Dispositif et procede de demodulation numerique d'un signal recu par selection d'un filtre et recepteur de communication numerique le comportant
FR2825550B1 (fr) * 2001-05-30 2003-09-05 Mitsubishi Electric Inf Tech Dispositif et procede de demodulation numerique d'un signal recu par selection d'un filtre et recepteur de communication numerique le comportant
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
US7047263B2 (en) * 2001-08-14 2006-05-16 Texas Instruments Incorporated Fast-settling digital filter and method for analog-to-digital converters
GB2405061B (en) * 2001-12-05 2005-05-18 Matsushita Electric Industrial Co Ltd Multirate digital transceiver
CN100426670C (zh) * 2002-08-15 2008-10-15 联发科技股份有限公司 多相滤波器电路
US6754284B2 (en) 2002-08-22 2004-06-22 Motorola, Inc. Method and apparatus for minima enlargement
US7245237B2 (en) * 2002-09-17 2007-07-17 Intel Corporation Digital sampling rate conversion using a poly-phase filter and a polynomial interpolator
KR100511295B1 (ko) * 2002-10-30 2005-08-31 엘지전자 주식회사 디지털 필터 및 그 운용방법
BR0316272A (pt) * 2002-11-14 2005-10-11 Team Medical Llc Método e sistema para o processamento de sinal de diagnóstico
US7474722B1 (en) * 2003-03-21 2009-01-06 D2Audio Corporation Systems and methods for sample rate conversion using multiple rate estimate counters
US7908306B1 (en) 2003-03-21 2011-03-15 D2Audio Corp SRC with multiple sets of filter coefficients in memory and a high order coefficient interpolator
US7738613B1 (en) 2003-03-21 2010-06-15 D2Audio Corporation Streaming multi-channel audio as packetized data or parallel data with a separate input frame sync
ATE381145T1 (de) * 2003-03-21 2007-12-15 D2Audio Corp Systeme und verfahren zur implementierung eines abtastratenconverters unter verwendung von hardware und software zur maximierung von geschwindigkeit und flexibilität
US7167112B2 (en) * 2003-03-21 2007-01-23 D2Audio Corporation Systems and methods for implementing a sample rate converter using hardware and software to maximize speed and flexibility
US7929718B1 (en) 2003-05-12 2011-04-19 D2Audio Corporation Systems and methods for switching and mixing signals in a multi-channel amplifier
KR100842500B1 (ko) * 2005-06-29 2008-07-01 삼성전자주식회사 주파수 오버레이 통신 시스템에서 신호 송수신 시스템 및방법
US7734274B2 (en) * 2006-06-16 2010-06-08 Preco Electronics, Inc. Narrow-band detections of a received signal
US7864080B1 (en) * 2008-12-29 2011-01-04 Altera Corporation Sample rate conversion by controlled selection of filter outputs
CN101540749B (zh) * 2009-04-22 2012-09-26 吕正德 可配置变换长度dft的前处理单元的实现方法及装置
US8412141B2 (en) * 2009-10-19 2013-04-02 Qualcomm Incorporated LR polyphase filter
US8582675B1 (en) * 2010-06-01 2013-11-12 Fredric J. Harris Pre-channelized spectrum analyzer
US9990935B2 (en) 2013-09-12 2018-06-05 Dolby Laboratories Licensing Corporation System aspects of an audio codec
CN104932992B (zh) * 2015-07-08 2017-10-03 中国电子科技集团公司第五十四研究所 一种带宽粒度可变的微波数字柔性转发方法
US10516420B1 (en) * 2018-06-12 2019-12-24 Mitsubishi Electric Research Laboratories, Inc. High speed digital bit generator for optical frontal interface
US10560126B2 (en) * 2018-06-12 2020-02-11 Mitsubishi Electric Research Laboratories, Inc. Mixed-mode millimeter-wave transmitter
CN110868260B (zh) * 2018-08-27 2021-11-02 李锐洪 脉冲编码调制通带滤波器及获得多个滤波通带的方法
CN115865242B (zh) * 2022-11-24 2024-09-20 成都华日通讯技术股份有限公司 多通道实时监测方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5323391A (en) * 1992-10-26 1994-06-21 Motorola, Inc. Multi-channel digital transmitter and receiver
US5504785A (en) * 1993-05-28 1996-04-02 Tv/Com Technologies, Inc. Digital receiver for variable symbol rate communications
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
GB9414664D0 (en) * 1994-07-20 1994-09-07 British Aerospace Digital signal processing apparatus
US5631610A (en) * 1996-01-25 1997-05-20 Aware, Inc. Single side-band modulation system for use in digitally implemented multicarrier transmission systems
US5903232A (en) * 1997-10-03 1999-05-11 Motorola Inc. Apparatus and method for sampling rate conversion with rational factors

Also Published As

Publication number Publication date
WO2000024122A1 (en) 2000-04-27
JP4440473B2 (ja) 2010-03-24
JP2002528945A (ja) 2002-09-03
US6134268A (en) 2000-10-17
EP1125363A1 (en) 2001-08-22
CN1324513A (zh) 2001-11-28
EP1125363A4 (en) 2004-04-07
CN1127801C (zh) 2003-11-12

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase