JP2005505966A - ３ｇワイヤレス通信のｔｄｄモード用の自動周波数訂正方法および装置 - Google Patents

３ｇワイヤレス通信のｔｄｄモード用の自動周波数訂正方法および装置 Download PDF

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Publication number
JP2005505966A
JP2005505966A JP2003533472A JP2003533472A JP2005505966A JP 2005505966 A JP2005505966 A JP 2005505966A JP 2003533472 A JP2003533472 A JP 2003533472A JP 2003533472 A JP2003533472 A JP 2003533472A JP 2005505966 A JP2005505966 A JP 2005505966A
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JP
Japan
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frequency
value
threshold
predetermined number
convergence
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JP2003533472A
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Japanese (ja)
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JP2005505966A5 (https=
Inventor
エス．スターンバーグ グレゴリー
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InterDigital Technology Corp
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InterDigital Technology Corp
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Publication of JP2005505966A publication Critical patent/JP2005505966A/ja
Publication of JP2005505966A5 publication Critical patent/JP2005505966A5/ja
Pending legal-status Critical Current

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    • 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
    • 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
    • H04B1/7097—Interference-related aspects
    • 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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7087—Carrier synchronisation aspects
    • 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
    • H04B1/709—Correlator structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0063—Elements of loops
    • H04L2027/0065—Frequency error detectors

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Circuits Of Receivers In General (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Noise Elimination (AREA)
JP2003533472A 2001-09-28 2002-09-27 ３ｇワイヤレス通信のｔｄｄモード用の自動周波数訂正方法および装置 Pending JP2005505966A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US32550501P 2001-09-28 2001-09-28
PCT/US2002/030802 WO2003030400A1 (en) 2001-09-28 2002-09-27 Automatic frequency correction method and apparatus for time division duplex modes of 3g wireless communications

Publications (2)

Publication Number Publication Date
JP2005505966A true JP2005505966A (ja) 2005-02-24
JP2005505966A5 JP2005505966A5 (https=) 2006-01-05

Family

ID=23268158

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003533472A Pending JP2005505966A (ja) 2001-09-28 2002-09-27 ３ｇワイヤレス通信のｔｄｄモード用の自動周波数訂正方法および装置

Country Status (10)

Country Link
US (2) US6606487B2 (https=)
EP (1) EP1436907A1 (https=)
JP (1) JP2005505966A (https=)
KR (4) KR20070105383A (https=)
CN (1) CN1561584A (https=)
CA (1) CA2461336C (https=)
MX (1) MXPA04002839A (https=)
NO (1) NO20041722L (https=)
TW (3) TWI285031B (https=)
WO (1) WO2003030400A1 (https=)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1071977C (zh) 1993-03-05 2001-09-26 杰姆斯达发展公司 使用压缩码作电视节目录像时间排定的装置与方法
KR20070105383A (ko) * 2001-09-28 2007-10-30 인터디지탈 테크날러지 코포레이션 3ｇ 무선 통신의 시분할 이중 모드를 위한 자동 주파수보정 방법 및 장치
JP3581357B2 (ja) * 2002-05-22 2004-10-27 松下電器産業株式会社 通信端末装置及び拡散コード推定方法
US7177602B2 (en) * 2002-09-23 2007-02-13 Telefonaktiebolaget Lm Ericsson (Publ) Electronic devices having automatic frequency control systems and methods and computer program products for operating the same
KR100556862B1 (ko) 2003-06-24 2006-03-10 엘지전자 주식회사 이동 통신단말기의 주파수 자동 조절 장치
US7336739B2 (en) * 2003-09-26 2008-02-26 Lockheed Martin Corporation Cross-correlation signal detector
KR100630043B1 (ko) * 2003-11-06 2006-09-27 삼성전자주식회사 이동통신시스템의 수신단에서의 주파수 오차 추정 및 결합기
US7474718B2 (en) 2003-12-30 2009-01-06 Nokia Corporation Frequency control for a mobile communications device
US20050219002A1 (en) * 2004-03-31 2005-10-06 Vikram Magoon Tuning an oscillator
US7155176B2 (en) * 2004-04-08 2006-12-26 Skyworks Solutions, Inc. System for synchronizing a portable transceiver to a network
DE102004025109B4 (de) * 2004-05-21 2007-05-03 Infineon Technologies Ag Vorrichtung und Verfahren zur Präambeldetektion und Rahmensynchronisation bei der Datenpaketübertragung
US8806533B1 (en) 2004-10-08 2014-08-12 United Video Properties, Inc. System and method for using television information codes
KR100600817B1 (ko) * 2004-12-09 2006-07-18 한국전자통신연구원 주기적 상관 관계의 특성을 이용한 타이밍 에러 검출 장치및 그 방법
GB2429877B (en) * 2005-09-06 2008-02-06 Motorola Inc Radio link handover in a cellular communication system
US7886334B1 (en) 2006-12-11 2011-02-08 Qurio Holdings, Inc. System and method for social network trust assessment
TWI384786B (zh) * 2007-03-02 2013-02-01 Fujitsu Semiconductor Ltd 安布調變序列
US8242959B2 (en) 2007-04-18 2012-08-14 Trueposition, Inc. Sparsed U-TDOA wireless location networks
US8041367B2 (en) * 2007-04-18 2011-10-18 Trueposition, Inc. Sparsed U-TDOA wireless location networks
US8140092B2 (en) 2007-04-18 2012-03-20 Trueposition, Inc. Sparsed U-TDOA wireless location networks
US8045506B2 (en) 2007-04-18 2011-10-25 Trueposition, Inc. Sparsed U-TDOA wireless location networks
KR100930181B1 (ko) 2007-09-28 2009-12-07 삼성전기주식회사 Ｇｐｓ 수신기의 주파수 오차 보상 방법
US20090175468A1 (en) * 2008-01-09 2009-07-09 Mediatek Inc. Methods for preventing unwanted sound caused by gain changes
CN102195645A (zh) * 2011-03-31 2011-09-21 复旦大学 一种适用于软件无线电系统的频率综合器
TWI462539B (zh) * 2012-03-06 2014-11-21 Mstar Semiconductor Inc 頻率校正方法
US9031117B2 (en) * 2012-12-06 2015-05-12 Qualcomm Incorporated Methods and apparatus for handling fingers with large delay spread through utility optimization
WO2014129978A1 (en) * 2013-02-22 2014-08-28 Agency For Science, Technology And Research Digital auto frequency control for a general purpose if subsystem with multi-modulation schemes
TWI510034B (zh) * 2013-12-02 2015-11-21 Realtek Semiconductor Corp 載波頻率偏移校正方法以及機器可讀媒體
KR102633143B1 (ko) 2016-12-23 2024-02-02 삼성전자주식회사 무선 채널 분류를 기초로 디지털 루프 필터 이득을 조절하는 자동 주파수 제어기, 상기 자동 주파수 제어기를 포함하는 무선 통신 장치, 자동 주파수 제어 방법 및 무선 통신 방법

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5684836A (en) * 1994-12-22 1997-11-04 Mitsubishi Denki Kabushiki Kaisha Receiver with automatic frequency control
JP3966523B2 (ja) * 1997-10-20 2007-08-29 富士通株式会社 自動周波数制御回路及び自動周波数制御方法
US6728301B1 (en) * 2000-07-07 2004-04-27 Texas Instruments Incorporated System and method for automatic frequency control in spread spectrum communications
KR20070105383A (ko) * 2001-09-28 2007-10-30 인터디지탈 테크날러지 코포레이션 3ｇ 무선 통신의 시분할 이중 모드를 위한 자동 주파수보정 방법 및 장치

Also Published As

Publication number Publication date
CA2461336A1 (en) 2003-04-10
KR20070105383A (ko) 2007-10-30
TWI285031B (en) 2007-08-01
KR20080058502A (ko) 2008-06-25
NO20041722L (no) 2004-06-28
US20030064693A1 (en) 2003-04-03
TW580790B (en) 2004-03-21
US20030224744A1 (en) 2003-12-04
TW200633408A (en) 2006-09-16
US7103339B2 (en) 2006-09-05
TW200417169A (en) 2004-09-01
MXPA04002839A (es) 2004-07-05
CA2461336C (en) 2008-01-22
KR20040037121A (ko) 2004-05-04
WO2003030400A1 (en) 2003-04-10
US6606487B2 (en) 2003-08-12
KR20050090482A (ko) 2005-09-13
CN1561584A (zh) 2005-01-05
EP1436907A1 (en) 2004-07-14

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