DE69941957D1 - Digitale modulation mit veränderlichen symbolraten - Google Patents

Digitale modulation mit veränderlichen symbolraten

Info

Publication number
DE69941957D1
DE69941957D1 DE69941957T DE69941957T DE69941957D1 DE 69941957 D1 DE69941957 D1 DE 69941957D1 DE 69941957 T DE69941957 T DE 69941957T DE 69941957 T DE69941957 T DE 69941957T DE 69941957 D1 DE69941957 D1 DE 69941957D1
Authority
DE
Germany
Prior art keywords
digital modulation
different symbol
symbol rates
rates
different
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 - Lifetime
Application number
DE69941957T
Other languages
English (en)
Inventor
Kumar Ramaswamy
Dong-Chang Shiue
Paul Gothard Knutson
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.)
Ramaswamy Kumar Indianapolis Ind Us
Shiue Dong-Chang Carmel Ind Us
Thomson Licensing SAS
Original Assignee
Thomson Licensing SAS
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 Thomson Licensing SAS filed Critical Thomson Licensing SAS
Application granted granted Critical
Publication of DE69941957D1 publication Critical patent/DE69941957D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04B1/62—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 providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
    • 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
    • H04L25/05—Electric or magnetic storage of signals before transmitting or retransmitting for changing the transmission rate

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE69941957T 1998-10-21 1999-10-21 Digitale modulation mit veränderlichen symbolraten Expired - Lifetime DE69941957D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/176,540 US6563862B1 (en) 1998-10-21 1998-10-21 Digital variable symbol rate modulation
PCT/US1999/024908 WO2000024169A1 (en) 1998-10-21 1999-10-21 Digital variable symbol rate modulation

Publications (1)

Publication Number Publication Date
DE69941957D1 true DE69941957D1 (de) 2010-03-11

Family

ID=22644766

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69941957T Expired - Lifetime DE69941957D1 (de) 1998-10-21 1999-10-21 Digitale modulation mit veränderlichen symbolraten

Country Status (10)

Country Link
US (1) US6563862B1 (de)
EP (1) EP1123610B1 (de)
JP (1) JP4309063B2 (de)
KR (1) KR100681280B1 (de)
CN (1) CN1150682C (de)
AU (1) AU1226600A (de)
CA (1) CA2345776C (de)
DE (1) DE69941957D1 (de)
MY (1) MY119873A (de)
WO (1) WO2000024169A1 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6563862B1 (en) * 1998-10-21 2003-05-13 Thomson Licensing Sa Digital variable symbol rate modulation
US8363757B1 (en) * 1999-10-12 2013-01-29 Qualcomm Incorporated Method and apparatus for eliminating the effects of frequency offsets in a digital communication system
JP2001148650A (ja) * 1999-11-19 2001-05-29 Sanyo Electric Co Ltd 無線基地局
WO2002073870A2 (en) * 2001-03-09 2002-09-19 Flarion Technologies, Inc. Method of symbol timing synchronization in communication systems
FR2822322A1 (fr) * 2001-03-13 2002-09-20 Koninkl Philips Electronics Nv Modulateur numerique
US8149904B2 (en) * 2002-01-24 2012-04-03 Broadcom Corporation Asymmetric digital subscriber line modem apparatus and methods therefor
DE10205305A1 (de) * 2002-02-08 2003-08-28 Infineon Technologies Ag Taktsteuerung von Sendesignal-Verarbeitungseinrichtungen in Mobilfunk-Endeinrichtungen
US6738608B2 (en) * 2002-02-12 2004-05-18 Qualcomm Incorporated Frequency-timing control loop for wireless communication systems
US6980255B2 (en) * 2002-02-13 2005-12-27 Zenith Electronics Corporation VSB modulator symbol clock processing to reduce jitter/phase noise and sampling artifacts
US7580482B2 (en) * 2003-02-19 2009-08-25 Endres Thomas J Joint, adaptive control of equalization, synchronization, and gain in a digital communications receiver
JP3685179B2 (ja) * 2003-02-20 2005-08-17 ソニー株式会社 画像信号の処理装置および処理方法、並びにそれを利用した画像表示装置
US6927713B2 (en) * 2003-04-23 2005-08-09 Ultradesign, Llc Response-based analog-to-digital conversion apparatus and method
ES2220208A1 (es) * 2003-05-06 2004-12-01 Diseño De Sistemas En Silicio, S.A. Procedimiento de configurabilidad espectral de señales moduladas por multiplexacion ortogonal por division en frecuencia (ofdm) para red electrica.
KR100541526B1 (ko) * 2004-01-30 2006-01-10 에스케이 텔레콤주식회사 멀티미디어 데이터의 전송품질 측정방법 및 장치
JP4510017B2 (ja) * 2004-02-13 2010-07-21 パナソニック株式会社 無線通信システムおよびそれに用いられる無線デジタル受信装置
US7386027B2 (en) * 2004-03-31 2008-06-10 Matsushita Electric Industrial Co., Ltd. Methods and apparatus for generating and processing wideband signals having reduced discrete power spectral density components
DE102004024645B4 (de) * 2004-05-18 2010-03-11 Infineon Technologies Ag Verfahren und Vorrichtung zur Reduzierung der Signalbilder am Ausgang eines Digital-Analog-Umsetzers
JP4695523B2 (ja) * 2006-02-16 2011-06-08 株式会社東芝 信号受信装置、信号受信方法および信号受信プログラム
JP4899554B2 (ja) * 2006-03-16 2012-03-21 日本電気株式会社 無線通信システム、無線通信方法、及びその信号処理プログラム
JP4322928B2 (ja) * 2007-02-14 2009-09-02 株式会社東芝 信号受信装置
US8306096B2 (en) * 2009-06-26 2012-11-06 Qualcomm Incorporated Interference reduction using variable digital-to-analog converter (DAC) sampling rates
US20130343284A1 (en) * 2010-09-29 2013-12-26 Unication Group/Unication Co., LTD. Method for members of emergency rescue group utilizing radios to transmit compound files containing compressed photo/text/voice data of an emergency event site directly or through signal repeater to console for reappearance of the event site
US8824599B1 (en) * 2012-06-20 2014-09-02 MagnaCom Ltd. Pilot symbol-aided sequence estimation for highly-spectrally-efficient communications
CN107404331B (zh) * 2016-05-13 2021-02-05 恩智浦美国有限公司 处理数字复合信号的方法和设备
CN110290081B (zh) * 2019-06-27 2022-03-25 北京润科通用技术有限公司 一种基带信号处理方法及装置
KR102377698B1 (ko) * 2021-10-27 2022-03-23 우정훈 무선 데이터 송신 방법 및 장치.

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4707841A (en) * 1984-08-21 1987-11-17 University Of Toronto, Innovations Foundation Digital data receiver for preamble free data transmission
US5199046A (en) * 1991-09-09 1993-03-30 Codex Corporation First and second digital rate converter synchronization device and method
US5365545A (en) * 1992-04-24 1994-11-15 Universal Data Systems, Inc. MODEM-channel bank converter
US5943369A (en) * 1996-02-27 1999-08-24 Thomson Consumer Electronics, Inc. Timing recovery system for a digital signal processor
US5764113A (en) * 1997-01-10 1998-06-09 Harris Corporation Re-sampling circuit and modulator using same
US6169767B1 (en) * 1997-03-10 2001-01-02 Sarnoff Corporation Universal network interface module
US6128357A (en) * 1997-12-24 2000-10-03 Mitsubishi Electric Information Technology Center America, Inc (Ita) Data receiver having variable rate symbol timing recovery with non-synchronized sampling
US6563862B1 (en) * 1998-10-21 2003-05-13 Thomson Licensing Sa Digital variable symbol rate modulation

Also Published As

Publication number Publication date
US6563862B1 (en) 2003-05-13
KR100681280B1 (ko) 2007-02-12
CA2345776A1 (en) 2000-04-27
JP2002528963A (ja) 2002-09-03
CN1324538A (zh) 2001-11-28
CA2345776C (en) 2009-11-24
JP4309063B2 (ja) 2009-08-05
CN1150682C (zh) 2004-05-19
WO2000024169A1 (en) 2000-04-27
EP1123610A1 (de) 2001-08-16
KR20010100909A (ko) 2001-11-14
AU1226600A (en) 2000-05-08
MY119873A (en) 2005-07-29
EP1123610B1 (de) 2010-01-20

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: RAMASWAMY, KUMAR, INDIANAPOLIS, IND., US

Owner name: SHIUE, DONG-CHANG, CARMEL, IND., US

Owner name: THOMSON LICENSING, ISSY-LES-MOULINEAUX, FR

8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition