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DE69434927D1 - Verfahren und Einrichtung zur Signalformung - Google Patents

Verfahren und Einrichtung zur Signalformung

Info

Publication number
DE69434927D1
DE69434927D1 DE69434927T DE69434927T DE69434927D1 DE 69434927 D1 DE69434927 D1 DE 69434927D1 DE 69434927 T DE69434927 T DE 69434927T DE 69434927 T DE69434927 T DE 69434927T DE 69434927 D1 DE69434927 D1 DE 69434927D1
Authority
DE
Germany
Prior art keywords
signal shaping
shaping
signal
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.)
Expired - Fee Related
Application number
DE69434927T
Other languages
English (en)
Other versions
DE69434927T2 (de
Inventor
Yoshio Urabe
Shouichi Koga
Hitoshi Takai
Koji Kai
Hidetoshi Yamasaki
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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
Priority claimed from JP05154776A external-priority patent/JP3104473B2/ja
Priority claimed from JP05223292A external-priority patent/JP3092404B2/ja
Priority claimed from JP01376094A external-priority patent/JP3212209B2/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE69434927D1 publication Critical patent/DE69434927D1/de
Publication of DE69434927T2 publication Critical patent/DE69434927T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3089—Control of digital or coded signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
    • H03G3/3047—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers for intermittent signals, e.g. burst signals
    • 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
    • H04L25/03859—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using pulse shaping shaping using look up tables for partial waveforms
    • 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
    • H04L27/2053—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases
    • H04L27/206—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers
    • H04L27/2067—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits
    • H04L27/362—Modulation using more than one carrier, e.g. with quadrature carriers, separately amplitude modulated

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Dc Digital Transmission (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Transmitters (AREA)
  • Optical Communication System (AREA)
  • Manipulation Of Pulses (AREA)
DE69434927T 1993-06-25 1994-06-23 Wellenform-Formungsverfahren und Wellenform-Formungsvorrichtung Expired - Fee Related DE69434927T2 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP05154776A JP3104473B2 (ja) 1993-06-25 1993-06-25 波形整形方法
JP15477693 1993-06-25
JP22329293 1993-09-08
JP05223292A JP3092404B2 (ja) 1993-09-08 1993-09-08 波形整形装置
JP01376094A JP3212209B2 (ja) 1994-02-07 1994-02-07 波形整形装置及び波形整形方法
JP1376094 1994-02-07

Publications (2)

Publication Number Publication Date
DE69434927D1 true DE69434927D1 (de) 2007-04-05
DE69434927T2 DE69434927T2 (de) 2007-11-15

Family

ID=27280395

Family Applications (3)

Application Number Title Priority Date Filing Date
DE69434398T Expired - Fee Related DE69434398T2 (de) 1993-06-25 1994-06-23 Verfahren und Einrichtung zur Signalformung
DE69434132T Expired - Lifetime DE69434132T2 (de) 1993-06-25 1994-06-23 Verfahren und Einrichtung zur Signalformung von Paketdaten
DE69434927T Expired - Fee Related DE69434927T2 (de) 1993-06-25 1994-06-23 Wellenform-Formungsverfahren und Wellenform-Formungsvorrichtung

Family Applications Before (2)

Application Number Title Priority Date Filing Date
DE69434398T Expired - Fee Related DE69434398T2 (de) 1993-06-25 1994-06-23 Verfahren und Einrichtung zur Signalformung
DE69434132T Expired - Lifetime DE69434132T2 (de) 1993-06-25 1994-06-23 Verfahren und Einrichtung zur Signalformung von Paketdaten

Country Status (4)

Country Link
US (3) US5825820A (de)
EP (3) EP0631398B1 (de)
CA (1) CA2126598C (de)
DE (3) DE69434398T2 (de)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5764693A (en) * 1994-11-14 1998-06-09 Research In Motion Limited Wireless radio modem with minimal inter-device RF interference
US5619531A (en) * 1994-11-14 1997-04-08 Research In Motion Limited Wireless radio modem with minimal interdevice RF interference
US5644311A (en) * 1995-07-07 1997-07-01 Novatel Communications, Ltd. Pulse width modulation pulse shaper
GB9520010D0 (en) * 1995-09-30 1995-12-06 Rural Radio Systems Ltd Distributed circuit switched telecommunication networks
US6493338B1 (en) * 1997-05-19 2002-12-10 Airbiquity Inc. Multichannel in-band signaling for data communications over digital wireless telecommunications networks
US6690681B1 (en) * 1997-05-19 2004-02-10 Airbiquity Inc. In-band signaling for data communications over digital wireless telecommunications network
US6393062B1 (en) 1998-09-21 2002-05-21 Maxim Integrated Products, Inc. Methods and circuits for generating a preemphasis waveform
GR1003414B (el) * 1999-07-23 2000-07-25 �.�. �������� ���������� ��������������� ��� ��������... Μορφοποιηση ριπης
US6625227B1 (en) * 1999-09-30 2003-09-23 Ericsson Inc. Artificial ramping of transmit power for burst transmissions
WO2001072067A1 (en) 2000-03-21 2001-09-27 Airbiquity Inc. Voiceband modem for data communications over digital wireless networks
JP3703083B2 (ja) * 2001-01-10 2005-10-05 松下電器産業株式会社 波形発生装置
GB2360680A (en) * 2001-06-20 2001-09-26 Aim Aviat A transmitter which shapes data pulses before transmitting them along a wire
US7243273B2 (en) * 2002-04-24 2007-07-10 Macroni X International Co., Ltd. Memory testing device and method
US6880117B2 (en) * 2002-06-14 2005-04-12 Macronix International Co., Ltd. Memory device test system and method
JP4318510B2 (ja) * 2002-08-28 2009-08-26 パナソニック株式会社 通信装置および通信方法
JP2006147112A (ja) * 2004-11-24 2006-06-08 Toshiba Corp 磁気記録媒体および磁気記録再生装置
US20060236148A1 (en) * 2005-01-21 2006-10-19 Glenn Wood One hot counter proxy
US7508810B2 (en) 2005-01-31 2009-03-24 Airbiquity Inc. Voice channel control of wireless packet data communications
US7583772B2 (en) * 2005-02-22 2009-09-01 Broadcom Corporation System for shifting data bits multiple times per clock cycle
US20070067123A1 (en) * 2005-09-19 2007-03-22 Jungerman Roger L Advanced arbitrary waveform generator
US7924934B2 (en) 2006-04-07 2011-04-12 Airbiquity, Inc. Time diversity voice channel data communications
WO2008053661A1 (fr) * 2006-10-31 2008-05-08 Panasonic Corporation Système de transmission de signal
FR2912853A1 (fr) * 2007-02-20 2008-08-22 Commissariat Energie Atomique Dispositif emetteur radio
US20090066719A1 (en) * 2007-09-07 2009-03-12 Spatial Photonics, Inc. Image dithering based on farey fractions
US8116415B2 (en) * 2007-10-02 2012-02-14 Panasonic Corporation Semiconductor integrated circuit, communication apparatus, information playback apparatus, image display apparatus, electronic apparatus, electronic control apparatus and mobile apparatus
KR101293069B1 (ko) 2007-10-20 2013-08-06 에어비퀴티 인코포레이티드. 차량내 시스템들에 의한 무선 인―밴드 시그널링
US7983310B2 (en) 2008-09-15 2011-07-19 Airbiquity Inc. Methods for in-band signaling through enhanced variable-rate codecs
US8594138B2 (en) 2008-09-15 2013-11-26 Airbiquity Inc. Methods for in-band signaling through enhanced variable-rate codecs
US8036600B2 (en) 2009-04-27 2011-10-11 Airbiquity, Inc. Using a bluetooth capable mobile phone to access a remote network
US8418039B2 (en) 2009-08-03 2013-04-09 Airbiquity Inc. Efficient error correction scheme for data transmission in a wireless in-band signaling system
US8249865B2 (en) 2009-11-23 2012-08-21 Airbiquity Inc. Adaptive data transmission for a digital in-band modem operating over a voice channel
US8447337B2 (en) * 2010-03-29 2013-05-21 Harris Corporation Wireless communications device with waveform configuration and related methods
US8848825B2 (en) 2011-09-22 2014-09-30 Airbiquity Inc. Echo cancellation in wireless inband signaling modem
US9876590B2 (en) * 2015-08-02 2018-01-23 Vayyar Imaging Ltd. Real-time network analyzer and applications
US10516563B2 (en) 2015-09-25 2019-12-24 Intel IP Corporation Apparatus and a method for generating a radio frequency signal
CN107925648B (zh) * 2015-09-25 2021-03-02 苹果公司 用于生成射频信号的装置和方法

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1430787A (en) * 1973-06-14 1976-04-07 Itt Creed Telegraph transmission apparatus
IT1151351B (it) * 1982-01-19 1986-12-17 Italtel Spa Disposizione circuitale atta a realizzare lo scambio di dati tra una coppia di elaboratori operanti secondo il principio master-slave
JPS59132267A (ja) * 1983-01-18 1984-07-30 Nec Corp 多方向多重通信用子局送信装置のバ−スト状デ−タ信号波形整形回路
JPS61186012A (ja) * 1985-02-13 1986-08-19 Sony Corp 伝送装置の波形整形回路
US4893316A (en) * 1985-04-04 1990-01-09 Motorola, Inc. Digital radio frequency receiver
US5103499A (en) * 1986-07-18 1992-04-07 Commodore-Amiga, Inc. Beam synchronized coprocessor
US4737969A (en) * 1987-01-28 1988-04-12 Motorola, Inc. Spectrally efficient digital modulation method and apparatus
JPS63252050A (ja) * 1987-04-09 1988-10-19 Hitachi Ltd キヤリアオン・オフ方式
JPH01225213A (ja) * 1988-03-04 1989-09-08 Hitachi Ltd 波形変換装置
JPH01317090A (ja) * 1988-06-17 1989-12-21 Mitsubishi Electric Corp 波形発生器
GB8826918D0 (en) * 1988-11-17 1988-12-21 Motorola Inc Power amplifier for radio frequency signal
JPH07120968B2 (ja) * 1989-02-07 1995-12-20 クラリオン株式会社 スペクトラム拡散通信装置
DE3941265A1 (de) * 1989-12-14 1991-06-20 Standard Elektrik Lorenz Ag Verfahren und vorrichtung zur aufbereitung eines basisbandsignals in einem digitalen richtfunksystem
US5140613A (en) * 1990-05-25 1992-08-18 Hewlett-Packard Company Baseband modulation system with improved ROM-based digital filter
JP2927896B2 (ja) * 1990-06-28 1999-07-28 日本電気株式会社 スペクトラム抑制回路
JP2847687B2 (ja) * 1990-11-01 1999-01-20 松下電器産業株式会社 変調器用ディジタルフィルタ
US5170413A (en) * 1990-12-24 1992-12-08 Motorola, Inc. Control strategy for reuse system assignments and handoff
JP2968350B2 (ja) * 1991-01-11 1999-10-25 三菱電機株式会社 直交変調回路
US5412691A (en) * 1991-06-28 1995-05-02 Digital Equipment Corporation Method and apparatus for equalization for transmission over a band-limited channel
US5159283A (en) * 1991-08-26 1992-10-27 Motorola, Inc. Power amplifier
US5237324A (en) * 1991-09-04 1993-08-17 Advanced Micro Devices, Inc. System and method for producing baseband analog modulation signals
GB2262006B (en) * 1991-11-30 1995-06-21 Technophone Ltd Digital radio modulator
JPH05227232A (ja) * 1992-02-12 1993-09-03 Hitachi Ltd 送信バースト波形制御方式
US5282226A (en) * 1992-04-27 1994-01-25 Hughes Aircraft Company System and method for transmission of bursts of digital information
GB9218009D0 (en) * 1992-08-25 1992-10-14 Philips Electronics Uk Ltd A method of,and transmitter for,transmitting a digital signal
GB9219825D0 (en) * 1992-09-18 1992-10-28 Philips Electronics Uk Ltd Power amplifier and a transmitter including the power amplifier

Also Published As

Publication number Publication date
EP1333633A1 (de) 2003-08-06
CA2126598A1 (en) 1994-12-26
DE69434927T2 (de) 2007-11-15
CA2126598C (en) 2001-12-11
EP1331778A3 (de) 2003-08-13
EP0631398A3 (de) 2000-03-08
EP1331778B1 (de) 2005-06-01
EP0631398A2 (de) 1994-12-28
DE69434398D1 (de) 2005-07-07
DE69434398T2 (de) 2005-10-13
EP0631398B1 (de) 2004-11-17
DE69434132T2 (de) 2005-03-17
US5901179A (en) 1999-05-04
US5825820A (en) 1998-10-20
DE69434132D1 (de) 2004-12-23
EP1331778A2 (de) 2003-07-30
US6243422B1 (en) 2001-06-05
EP1333633B1 (de) 2007-02-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP

8339 Ceased/non-payment of the annual fee