DE602004016552D1 - Verfahren und vorrichtung zur drahtlosen kommunikation zur durchführung einer nachdetektions-konstellationskorrektur - Google Patents

Verfahren und vorrichtung zur drahtlosen kommunikation zur durchführung einer nachdetektions-konstellationskorrektur

Info

Publication number
DE602004016552D1
DE602004016552D1 DE602004016552T DE602004016552T DE602004016552D1 DE 602004016552 D1 DE602004016552 D1 DE 602004016552D1 DE 602004016552 T DE602004016552 T DE 602004016552T DE 602004016552 T DE602004016552 T DE 602004016552T DE 602004016552 D1 DE602004016552 D1 DE 602004016552D1
Authority
DE
Germany
Prior art keywords
symbol
constellation pattern
real
post
wireless communication
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.)
Active
Application number
DE602004016552T
Other languages
English (en)
Inventor
Philip J Pietraski
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.)
InterDigital Technology Corp
Original Assignee
InterDigital Technology Corp
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 InterDigital Technology Corp filed Critical InterDigital Technology Corp
Publication of DE602004016552D1 publication Critical patent/DE602004016552D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/02Channels characterised by the type of signal
    • H04L5/12Channels characterised by the type of signal the signals being represented by different phase modulations of a single carrier
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/32Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/38Demodulator circuits; Receiver circuits
    • H04L27/3845Demodulator circuits; Receiver circuits using non - coherent demodulation, i.e. not using a phase synchronous carrier
    • H04L27/3854Demodulator circuits; Receiver circuits using non - coherent demodulation, i.e. not using a phase synchronous carrier using a non - coherent carrier, including systems with baseband correction for phase or frequency offset
    • H04L27/3863Compensation for quadrature error in the received signal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/32Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/38Demodulator circuits; Receiver circuits
    • H04L27/3809Amplitude regulation arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/32Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/38Demodulator circuits; Receiver circuits
    • H04L27/3845Demodulator circuits; Receiver circuits using non - coherent demodulation, i.e. not using a phase synchronous carrier
    • H04L27/3854Demodulator circuits; Receiver circuits using non - coherent demodulation, i.e. not using a phase synchronous carrier using a non - coherent carrier, including systems with baseband correction for phase or frequency offset
    • H04L27/3872Compensation for phase rotation in the demodulated signal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/02Channels characterised by the type of signal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00Arrangements for synchronising receiver with transmitter
    • H04L7/02Speed or phase control by the received code signals, the signals containing no special synchronisation information

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Circuits Of Receivers In General (AREA)
DE602004016552T 2003-11-12 2004-11-05 Verfahren und vorrichtung zur drahtlosen kommunikation zur durchführung einer nachdetektions-konstellationskorrektur Active DE602004016552D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US51910203P 2003-11-12 2003-11-12
PCT/US2004/036939 WO2005048468A2 (en) 2003-11-12 2004-11-05 Wireless communication method and apparatus for performing post-detection constellation correction

Publications (1)

Publication Number Publication Date
DE602004016552D1 true DE602004016552D1 (de) 2008-10-23

Family

ID=34590354

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004016552T Active DE602004016552D1 (de) 2003-11-12 2004-11-05 Verfahren und vorrichtung zur drahtlosen kommunikation zur durchführung einer nachdetektions-konstellationskorrektur

Country Status (11)

Country Link
US (3) US7106811B2 (de)
EP (2) EP1690338B1 (de)
JP (1) JP4210304B2 (de)
KR (3) KR100736197B1 (de)
CN (1) CN1954496B (de)
AT (1) ATE408271T1 (de)
CA (1) CA2545468A1 (de)
DE (1) DE602004016552D1 (de)
NO (1) NO20062730L (de)
TW (3) TWI355836B (de)
WO (1) WO2005048468A2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070058752A1 (en) * 2005-07-29 2007-03-15 Faraday Technology Corp. Methods and systems for estimating sampling frequency offset of OFDM symbols
US8645976B2 (en) 2007-05-03 2014-02-04 Qualcomm Incorporated Application programming interface (API) for restoring a default scan list in a wireless communications receiver
TWI472180B (zh) * 2007-08-13 2015-02-01 Interdigital Patent Holdings 無線通信中較高階調變適應方法及裝置
CN101388729B (zh) * 2007-09-14 2012-05-09 富士通株式会社 相位失衡监测装置、振幅失衡监测装置及使用它们的装置
US8155241B2 (en) * 2007-12-21 2012-04-10 Mediatek Inc. System for processing common gain values
CN103782523B (zh) * 2011-07-01 2017-08-01 英特尔公司 用于均匀圆形阵列(uca)的结构化码本
CN104301275B (zh) * 2014-09-05 2017-09-12 江苏中兴微通信息科技有限公司 基于导频间隔优化的导频位置确定方法及收发装置
US9553754B1 (en) * 2015-09-10 2017-01-24 Qualcomm Incorporated Post distortion in satellite communications
CN105846985A (zh) * 2016-05-10 2016-08-10 华北电力大学 一种曲线拟合的宽带电力线ofdm子载波比特加载方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4866395A (en) * 1988-11-14 1989-09-12 Gte Government Systems Corporation Universal carrier recovery and data detection for digital communication systems
FR2641917B1 (fr) * 1988-12-28 1994-07-22 Alcatel Transmission Dispositif de diagnostic du canal de transmission pour modem numerique
US5311545A (en) * 1991-06-17 1994-05-10 Hughes Aircraft Company Modem for fading digital channels affected by multipath
JP3067851B2 (ja) * 1991-08-08 2000-07-24 アツミ電氣株式会社 反射型赤外線センサ及びそれを用いたセンサシステム
ZA938324B (en) * 1992-11-24 1994-06-07 Qualcomm Inc Pilot carrier dot product circuit
EP1137232B1 (de) * 2000-03-23 2006-11-29 Matsushita Electric Industrial Co., Ltd. Digitaler Empfänger
CN1723669A (zh) * 2002-12-09 2006-01-18 皇家飞利浦电子股份有限公司 相位/增益不平衡估计或补偿
JP2005197968A (ja) * 2004-01-06 2005-07-21 Fujitsu Ltd 信号処理回路並びに直交復調装置およびその誤差推定方法

Also Published As

Publication number Publication date
TW200614763A (en) 2006-05-01
KR20070087216A (ko) 2007-08-27
US20050100110A1 (en) 2005-05-12
CA2545468A1 (en) 2005-05-26
US20090074111A1 (en) 2009-03-19
WO2005048468A3 (en) 2006-08-17
TW200948007A (en) 2009-11-16
EP1993208A1 (de) 2008-11-19
US7106811B2 (en) 2006-09-12
JP2007511179A (ja) 2007-04-26
NO20062730L (no) 2006-06-12
KR100955849B1 (ko) 2010-05-04
EP1690338A2 (de) 2006-08-16
US7460617B2 (en) 2008-12-02
CN1954496B (zh) 2011-09-14
TWI355836B (en) 2012-01-01
KR20060107854A (ko) 2006-10-16
KR20060101509A (ko) 2006-09-25
TWI252630B (en) 2006-04-01
EP1690338B1 (de) 2008-09-10
JP4210304B2 (ja) 2009-01-14
WO2005048468A2 (en) 2005-05-26
EP1690338A4 (de) 2007-07-18
KR100736197B1 (ko) 2007-07-06
US20060280265A1 (en) 2006-12-14
ATE408271T1 (de) 2008-09-15
US7715498B2 (en) 2010-05-11
CN1954496A (zh) 2007-04-25
TW200525909A (en) 2005-08-01
KR100977262B1 (ko) 2010-08-23

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