ATE388563T1 - Verfahren und vorrichtung zum phasenrotieren eines modulierten signals - Google Patents

Verfahren und vorrichtung zum phasenrotieren eines modulierten signals

Info

Publication number
ATE388563T1
ATE388563T1 AT00963556T AT00963556T ATE388563T1 AT E388563 T1 ATE388563 T1 AT E388563T1 AT 00963556 T AT00963556 T AT 00963556T AT 00963556 T AT00963556 T AT 00963556T AT E388563 T1 ATE388563 T1 AT E388563T1
Authority
AT
Austria
Prior art keywords
phase rotation
signal path
circuit elements
data
transmit signal
Prior art date
Application number
AT00963556T
Other languages
English (en)
Inventor
Peter Black
Michael Howard
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of ATE388563T1 publication Critical patent/ATE388563T1/de

Links

Classifications

    • 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
    • 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
    • H04L27/366—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator
    • H04L27/367—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion
    • 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Control Of Electric Motors In General (AREA)
  • Control Of Velocity Or Acceleration (AREA)
  • Networks Using Active Elements (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Radar Systems Or Details Thereof (AREA)
AT00963556T 1999-09-17 2000-09-14 Verfahren und vorrichtung zum phasenrotieren eines modulierten signals ATE388563T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US39742999A 1999-09-17 1999-09-17

Publications (1)

Publication Number Publication Date
ATE388563T1 true ATE388563T1 (de) 2008-03-15

Family

ID=23571166

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00963556T ATE388563T1 (de) 1999-09-17 2000-09-14 Verfahren und vorrichtung zum phasenrotieren eines modulierten signals

Country Status (18)

Country Link
US (1) US7106782B2 (de)
EP (1) EP1212878B1 (de)
JP (1) JP4680458B2 (de)
KR (2) KR100869456B1 (de)
CN (2) CN100366035C (de)
AT (1) ATE388563T1 (de)
AU (1) AU776175B2 (de)
BR (1) BR0014022A (de)
CA (1) CA2386647A1 (de)
DE (1) DE60038241T2 (de)
HK (1) HK1049936B (de)
IL (2) IL148367A0 (de)
MX (1) MXPA02002806A (de)
NO (1) NO20021311L (de)
RU (1) RU2275749C2 (de)
TW (1) TW498664B (de)
UA (1) UA67861C2 (de)
WO (1) WO2001020866A1 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7545849B1 (en) * 2003-03-28 2009-06-09 Google Inc. Signal spectrum spreading and combining system and method
US8374218B2 (en) 2000-12-05 2013-02-12 Google Inc. Combining signals with a shuffled-hadamard function
US8385470B2 (en) 2000-12-05 2013-02-26 Google Inc. Coding a signal with a shuffled-Hadamard function
DE10101911B4 (de) * 2001-01-16 2004-03-18 Interessengemeinschaft für Rundfunkschutzrechte GmbH Schutzrechtsverwertung & Co. KG. Signalverarbeitung eines amplituden- und/oder phasenmodulierten Hochfrequenzsignals
EP1557941A4 (de) * 2002-11-01 2012-06-13 Panasonic Corp Filterschaltung und funkgerät
JP4387220B2 (ja) * 2004-02-24 2009-12-16 株式会社日立製作所 映像表示方法及びその装置
US20060205379A1 (en) * 2005-03-08 2006-09-14 Intel Corporation Signal reception enhancement apparatus, systems, and methods
JP4740065B2 (ja) * 2006-08-22 2011-08-03 株式会社エヌ・ティ・ティ・ドコモ 基地局、移動局及びパイロットチャネル生成方法
US7889751B2 (en) * 2007-03-06 2011-02-15 Sudhir Aggarwal Low power wireless communication system
JP5420275B2 (ja) * 2009-03-03 2014-02-19 株式会社Nttドコモ 符号多重伝送方法、送信装置及び受信装置
US8055212B2 (en) * 2009-05-26 2011-11-08 ST-Erisson SA Transmitter phase shift determination and compensation
US20110141930A1 (en) * 2009-12-11 2011-06-16 Qualcomm Incorporated Baseband compensation for phase discontinuities in radio frequency communication devices
CN108604029B (zh) 2015-12-03 2021-11-26 日产化学工业株式会社 液晶取向剂、液晶取向膜及使用其的液晶表示元件
US10812216B2 (en) 2018-11-05 2020-10-20 XCOM Labs, Inc. Cooperative multiple-input multiple-output downlink scheduling
US10432272B1 (en) 2018-11-05 2019-10-01 XCOM Labs, Inc. Variable multiple-input multiple-output downlink user equipment
US10659112B1 (en) 2018-11-05 2020-05-19 XCOM Labs, Inc. User equipment assisted multiple-input multiple-output downlink configuration
US10756860B2 (en) 2018-11-05 2020-08-25 XCOM Labs, Inc. Distributed multiple-input multiple-output downlink configuration
RU2710961C1 (ru) * 2018-11-15 2020-01-14 Федеральное государственное автономное учреждение "Военный инновационный технополис "ЭРА" Министерства обороны Российской Федерации Способ формирования детальных радиолокационных изображений в рлс с синтезированной апертурой антенны
KR20210087089A (ko) 2018-11-27 2021-07-09 엑스콤 랩스 인코퍼레이티드 넌-코히어런트 협력 다중 입출력 통신
US11063645B2 (en) 2018-12-18 2021-07-13 XCOM Labs, Inc. Methods of wirelessly communicating with a group of devices
US10756795B2 (en) 2018-12-18 2020-08-25 XCOM Labs, Inc. User equipment with cellular link and peer-to-peer link
US11330649B2 (en) 2019-01-25 2022-05-10 XCOM Labs, Inc. Methods and systems of multi-link peer-to-peer communications
US10756767B1 (en) 2019-02-05 2020-08-25 XCOM Labs, Inc. User equipment for wirelessly communicating cellular signal with another user equipment
US10686502B1 (en) 2019-04-29 2020-06-16 XCOM Labs, Inc. Downlink user equipment selection
US10735057B1 (en) 2019-04-29 2020-08-04 XCOM Labs, Inc. Uplink user equipment selection
US11411778B2 (en) 2019-07-12 2022-08-09 XCOM Labs, Inc. Time-division duplex multiple input multiple output calibration
US11411779B2 (en) 2020-03-31 2022-08-09 XCOM Labs, Inc. Reference signal channel estimation
US12068953B2 (en) 2020-04-15 2024-08-20 Virewirx, Inc. Wireless network multipoint association and diversity
WO2022241436A1 (en) 2021-05-14 2022-11-17 XCOM Labs, Inc. Scrambling identifiers for wireless communication systems

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4345417A (en) * 1981-02-17 1982-08-24 Deere & Company Forage harvester with kernel processing means
SU1385247A1 (ru) * 1986-04-22 1988-03-30 Московский Институт Радиотехники,Электроники И Автоматики Многоканальный усилитель мощности
US4688096A (en) * 1986-06-25 1987-08-18 Rca Corporation Demodulation phase error compensation circuitry as for an automatic deghosting system
SU1401558A1 (ru) * 1986-06-12 1988-06-07 Московский Институт Радиотехники,Электроники И Автоматики Многоканальный усилитель мощности
US4901307A (en) * 1986-10-17 1990-02-13 Qualcomm, Inc. Spread spectrum multiple access communication system using satellite or terrestrial repeaters
US5103459B1 (en) * 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
US5066923A (en) * 1990-10-31 1991-11-19 Motorola, Inc. Linear transmitter training method and apparatus
JPH04291829A (ja) * 1991-03-20 1992-10-15 Fujitsu Ltd 歪み補償回路
US5287555A (en) * 1991-07-22 1994-02-15 Motorola, Inc. Power control circuitry for a TDMA radio frequency transmitter
GB2265270B (en) * 1992-03-02 1996-06-12 Motorola Ltd Rf power amplifier with linearization
SE470455B (sv) * 1992-08-24 1994-04-11 Ericsson Telefon Ab L M Anordning för kompensering av fasvridningen i återkopplingsslingan vid en kartesiskt återkopplad effektförstärkare
KR100219709B1 (ko) * 1994-03-15 1999-09-01 윤종용 디지탈무선통신장치에있어서송수신신호처리회로
US5561395A (en) * 1995-01-27 1996-10-01 Motorola, Inc. Method and apparatus for self-adjusting a multistage radio frequency power amplifier
JPH08288928A (ja) * 1995-04-14 1996-11-01 Toshiba Corp スペクトラム拡散通信装置
GB2300545B (en) * 1995-05-03 1999-10-27 Motorola Ltd A method for processing signals
US5799034A (en) * 1995-12-06 1998-08-25 Rockwell International Corporation Frequency acquisition method for direct sequence spread spectrum systems
JPH1022756A (ja) * 1996-07-04 1998-01-23 Mitsubishi Electric Corp 無線送信機およびその送信制御方法
US5770971A (en) * 1996-07-26 1998-06-23 Northern Telecom Limited Distortion compensation control for a power amplifier
JP3311951B2 (ja) * 1996-12-20 2002-08-05 富士通株式会社 符号多重送信装置
US5880633A (en) * 1997-05-08 1999-03-09 Motorola, Inc. High efficiency power amplifier
US5933767A (en) * 1997-09-15 1999-08-03 Motorola, Inc. Apparatus and method for tuning the gain of a transmitter utilizing cartesian feedback
JPH11215198A (ja) * 1998-01-27 1999-08-06 Matsushita Electric Ind Co Ltd プリディストーション歪補償機能付送信装置及び送信装置におけるプリディストーション歪補償方法
JP3570898B2 (ja) * 1998-08-24 2004-09-29 日本電気株式会社 プレディストーション回路
US6535562B1 (en) * 1999-11-30 2003-03-18 Qualcomm Inc. Method and apparatus for rotating the phase of a complex signal

Also Published As

Publication number Publication date
KR20070119093A (ko) 2007-12-18
EP1212878B1 (de) 2008-03-05
CN101202731B (zh) 2011-07-27
UA67861C2 (uk) 2004-07-15
IL148367A0 (en) 2002-09-12
JP2003509967A (ja) 2003-03-11
US7106782B2 (en) 2006-09-12
AU776175B2 (en) 2004-09-02
DE60038241T2 (de) 2009-04-23
HK1049936B (zh) 2008-06-27
TW498664B (en) 2002-08-11
KR100808426B1 (ko) 2008-03-03
BR0014022A (pt) 2002-07-02
MXPA02002806A (es) 2002-10-23
RU2275749C2 (ru) 2006-04-27
US20030123526A1 (en) 2003-07-03
DE60038241D1 (de) 2008-04-17
CN101202731A (zh) 2008-06-18
CA2386647A1 (en) 2001-03-22
CN1390414A (zh) 2003-01-08
AU7495200A (en) 2001-04-17
NO20021311D0 (no) 2002-03-15
HK1049936A1 (zh) 2003-05-30
NO20021311L (no) 2002-05-15
WO2001020866A1 (en) 2001-03-22
JP4680458B2 (ja) 2011-05-11
EP1212878A1 (de) 2002-06-12
CN100366035C (zh) 2008-01-30
KR20030026918A (ko) 2003-04-03
IL148367A (en) 2007-06-17
KR100869456B1 (ko) 2008-11-19

Similar Documents

Publication Publication Date Title
DE60038241D1 (de) Verfahren und vorrichtung zum phasenrotieren eines modulierten signals
AU2003240909A1 (en) Amplitude imbalance compensation of quadrature modulator
SE9600417L (sv) Självjusterande modulator
SE9602584D0 (sv) Anordning och förfarande vid radiosändare
MY131749A (en) Optical information recording medium, optical information recording apparatus, and method of recording test signal on the same
WO2005119301A3 (en) Downhole signal source
MX9605205A (es) Detector de enlace ascendente coherente de cdma desecuencia directa.
AU7836800A (en) Methods and apparatus for reducing synchronization code interference in cdma communications systems
DK1664827T3 (da) Modulationssignaler til et satellitnavigationssystem
WO1982000553A1 (en) Tag generator for a same-frequency repeater
RU2002110114A (ru) Способ и устройство вращения фазы модулированного сигнала
ATE425577T1 (de) System zur strommodus-amplitudenmodulation , und verfahren dazu
ATE323342T1 (de) Verfahren und gerät zur zeitnachführung
DE60140444D1 (de) Verfahren und vorrichtung zum modulieren eines rundfunksignals unter verwendung digitalen amplituden- und phasen-steuerungssignale
KR101089028B1 (ko) 극성 피드백을 가지는 선형 rf 증폭기
WO2000051231A3 (en) Ferroelectric modulator
TW200511739A (en) Apparatus and method for transmitter phase shift compensation
WO1995023458A3 (en) Method and apparatus for automatic modulation calibration in a radio transmitter
SE9900297D0 (sv) A method and an apparatus for clipping signals in a CDMA system
WO2002075995A3 (en) Full spectrum optical communication system and methods thereof
CA2187836A1 (en) Interference radio wave elimination device and interference radio wave elimination method
TW200644531A (en) Detection of signal modulation format type
BR0214905A (pt) Método e aparelho para pré-compensar superposição de pulsos em um sinal digitalmente modulado
CA2239886A1 (en) Sync compensated agc system for vsb receiver
JP3917509B2 (ja) 非線形歪補償装置

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties