CN1207881C - Ofdm无线通信系统频偏补偿的方法及其电路装置 - Google Patents

Ofdm无线通信系统频偏补偿的方法及其电路装置 Download PDF

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Publication number
CN1207881C
CN1207881C CNB011445580A CN01144558A CN1207881C CN 1207881 C CN1207881 C CN 1207881C CN B011445580 A CNB011445580 A CN B011445580A CN 01144558 A CN01144558 A CN 01144558A CN 1207881 C CN1207881 C CN 1207881C
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CN
China
Prior art keywords
exp
frequency deviation
cos
theta
communication system
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
CNB011445580A
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English (en)
Chinese (zh)
Other versions
CN1427596A (zh
Inventor
陈杰
蔡春雷
寿国梁
吴南健
杨军
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.)
Beijing LHWT Microelectronics Inc.
Original Assignee
LIUHE WANTONG MICROELECTRONIC TECHNOLOGY Co Ltd BEIJING
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.)
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Publication date
Application filed by LIUHE WANTONG MICROELECTRONIC TECHNOLOGY Co Ltd BEIJING filed Critical LIUHE WANTONG MICROELECTRONIC TECHNOLOGY Co Ltd BEIJING
Priority to CNB011445580A priority Critical patent/CN1207881C/zh
Priority to PCT/CN2002/000906 priority patent/WO2003055163A1/fr
Priority to AU2002354170A priority patent/AU2002354170A1/en
Publication of CN1427596A publication Critical patent/CN1427596A/zh
Application granted granted Critical
Publication of CN1207881C publication Critical patent/CN1207881C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2655Synchronisation arrangements
    • H04L27/2657Carrier synchronisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2655Synchronisation arrangements
    • H04L27/2668Details of algorithms
    • H04L27/2673Details of algorithms characterised by synchronisation parameters
    • H04L27/2675Pilot or known symbols

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
CNB011445580A 2001-12-20 2001-12-20 Ofdm无线通信系统频偏补偿的方法及其电路装置 Expired - Fee Related CN1207881C (zh)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CNB011445580A CN1207881C (zh) 2001-12-20 2001-12-20 Ofdm无线通信系统频偏补偿的方法及其电路装置
PCT/CN2002/000906 WO2003055163A1 (fr) 2001-12-20 2002-12-20 Procede et appareil de circuit permettant de regler le dephasage de frequence d'un systeme de communication sans fil ofdm
AU2002354170A AU2002354170A1 (en) 2001-12-20 2002-12-20 Method and circuit appartus for comrensating frequency offset of ofdm wireless communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB011445580A CN1207881C (zh) 2001-12-20 2001-12-20 Ofdm无线通信系统频偏补偿的方法及其电路装置

Publications (2)

Publication Number Publication Date
CN1427596A CN1427596A (zh) 2003-07-02
CN1207881C true CN1207881C (zh) 2005-06-22

Family

ID=4677668

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB011445580A Expired - Fee Related CN1207881C (zh) 2001-12-20 2001-12-20 Ofdm无线通信系统频偏补偿的方法及其电路装置

Country Status (3)

Country Link
CN (1) CN1207881C (fr)
AU (1) AU2002354170A1 (fr)
WO (1) WO2003055163A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104702383A (zh) * 2013-12-09 2015-06-10 晨星半导体股份有限公司 取样频率误差计算电路与方法以及信号接收电路与方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5448594A (en) * 1993-01-21 1995-09-05 Industrial Technology Research Institute One bit differential detector with frequency offset compensation
US5548617A (en) * 1994-05-19 1996-08-20 Samsung Elctronics, Co., Ltd. Digital VSB detector with bandpass phase tracker using rader filters, as for use in an HDTV receiver
US5812927A (en) * 1997-02-10 1998-09-22 Lsi Logic Corporation System and method for correction of I/Q angular error in a satellite receiver
JP3058870B1 (ja) * 1999-02-05 2000-07-04 株式会社次世代デジタルテレビジョン放送システム研究所 Afc回路
DE19964002A1 (de) * 1999-12-30 2001-07-12 Micronas Gmbh Sensor

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Publication number Publication date
WO2003055163A1 (fr) 2003-07-03
AU2002354170A1 (en) 2003-07-09
CN1427596A (zh) 2003-07-02

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GR01 Patent grant
C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: Beijing Haidian District Zhichun Road No. 27 quantum core block 18 layers

Patentee after: Beijing LHWT Microelectronics Inc.

Address before: Beijing Haidian District Zhichun Road No. 27 quantum core block 18 layers

Patentee before: Liuhe Wantong Microelectronic Technology Co., Ltd., Beijing

C56 Change in the name or address of the patentee

Owner name: BEIJING LIUHEWANTONG MICRO-ELECTRONIC TECHNOLOGY C

Free format text: FORMER NAME: BEIJING LIU HE WAN TONG MICROELECTRONICS TECHNOLOGY CO., LTD.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20050622

Termination date: 20161220

CF01 Termination of patent right due to non-payment of annual fee