KR20070105383A - 3g 무선 통신의 시분할 이중 모드를 위한 자동 주파수보정 방법 및 장치 - Google Patents

3g 무선 통신의 시분할 이중 모드를 위한 자동 주파수보정 방법 및 장치 Download PDF

Info

Publication number
KR20070105383A
KR20070105383A KR1020077021836A KR20077021836A KR20070105383A KR 20070105383 A KR20070105383 A KR 20070105383A KR 1020077021836 A KR1020077021836 A KR 1020077021836A KR 20077021836 A KR20077021836 A KR 20077021836A KR 20070105383 A KR20070105383 A KR 20070105383A
Authority
KR
South Korea
Prior art keywords
frequency
frequency estimator
sum
maximum
block
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.)
Ceased
Application number
KR1020077021836A
Other languages
English (en)
Korean (ko)
Inventor
그레고리 에스 스테른버그
Original Assignee
인터디지탈 테크날러지 코포레이션
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 인터디지탈 테크날러지 코포레이션 filed Critical 인터디지탈 테크날러지 코포레이션
Publication of KR20070105383A publication Critical patent/KR20070105383A/ko
Ceased legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7097Interference-related aspects
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7073Synchronisation aspects
    • H04B1/7087Carrier synchronisation aspects
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/709Correlator structure
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/0014Carrier regulation
    • H04L2027/0044Control loops for carrier regulation
    • H04L2027/0063Elements of loops
    • H04L2027/0065Frequency error detectors

Landscapes

  • 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)
KR1020077021836A 2001-09-28 2002-09-27 3g 무선 통신의 시분할 이중 모드를 위한 자동 주파수보정 방법 및 장치 Ceased KR20070105383A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US32550501P 2001-09-28 2001-09-28
US60/325,505 2001-09-28

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
KR1020057016092A Division KR20050090482A (ko) 2001-09-28 2002-09-27 3g 무선 통신의 시분할 이중 모드를 위한 자동 주파수보정 방법 및 장치

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020087012239A Division KR20080058502A (ko) 2001-09-28 2002-09-27 3g 무선 통신의 시분할 이중 모드를 위한 자동 주파수보정 방법 및 장치

Publications (1)

Publication Number Publication Date
KR20070105383A true KR20070105383A (ko) 2007-10-30

Family

ID=23268158

Family Applications (4)

Application Number Title Priority Date Filing Date
KR1020077021836A Ceased KR20070105383A (ko) 2001-09-28 2002-09-27 3g 무선 통신의 시분할 이중 모드를 위한 자동 주파수보정 방법 및 장치
KR1020057016092A Abandoned KR20050090482A (ko) 2001-09-28 2002-09-27 3g 무선 통신의 시분할 이중 모드를 위한 자동 주파수보정 방법 및 장치
KR10-2004-7004353A Ceased KR20040037121A (ko) 2001-09-28 2002-09-27 3g 무선 통신의 시분할 이중 모드를 위한 자동 주파수보정 방법 및 장치
KR1020087012239A Withdrawn KR20080058502A (ko) 2001-09-28 2002-09-27 3g 무선 통신의 시분할 이중 모드를 위한 자동 주파수보정 방법 및 장치

Family Applications After (3)

Application Number Title Priority Date Filing Date
KR1020057016092A Abandoned KR20050090482A (ko) 2001-09-28 2002-09-27 3g 무선 통신의 시분할 이중 모드를 위한 자동 주파수보정 방법 및 장치
KR10-2004-7004353A Ceased KR20040037121A (ko) 2001-09-28 2002-09-27 3g 무선 통신의 시분할 이중 모드를 위한 자동 주파수보정 방법 및 장치
KR1020087012239A Withdrawn KR20080058502A (ko) 2001-09-28 2002-09-27 3g 무선 통신의 시분할 이중 모드를 위한 자동 주파수보정 방법 및 장치

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
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
JP2005505966A (ja) 2005-02-24
KR20050090482A (ko) 2005-09-13
CN1561584A (zh) 2005-01-05
EP1436907A1 (en) 2004-07-14

Similar Documents

Publication Publication Date Title
KR20070105383A (ko) 3g 무선 통신의 시분할 이중 모드를 위한 자동 주파수보정 방법 및 장치
US7778619B2 (en) Method and apparatus for automatic frequency correction with a frequency error signal generated by block correlation of baseband samples with a known code sequence
US8738054B2 (en) Efficient frame tracking in mobile receivers
MXPA04003019A (es) Circuito de rastreo de codigo con normamalizacion atumatica de energia.
KR20010068996A (ko) 비동기식 광대역 직접 시퀀스 코드분할다중접속 수신기의셀 탐색 장치 및 각 셀에 고유한 코드 획득 방법
US6735242B1 (en) Time tracking loop for pilot aided direct sequence spread spectrum systems
JP4316498B2 (ja) 無線周波数トラッキングおよび同期捕捉のための装置および方法
KR20000047620A (ko) 통신 단말 장치 및 무선 통신 방법
US8594257B2 (en) Method and apparatus for frequency tracking in a space time transmit diversity receiver
KR100395384B1 (ko) 간단한 구성을 갖는 수신기의 복조
KR100557112B1 (ko) 이동통신시스템의 수신단에서의 주파수 오차를 추정하여 결합하는 장치
KR101073920B1 (ko) 자동 주파수 제어 장치 및 방법
JP3150129B2 (ja) Cdma移動体通信受信装置
HK1069030A (en) Automatic frequency correction method and apparatus for time division duplex modes of 3g wireless communications

Legal Events

Date Code Title Description
A107 Divisional application of patent
PA0104 Divisional application for international application

Comment text: Divisional Application for International Patent

Patent event code: PA01041R01D

Patent event date: 20070921

A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20071022

Comment text: Request for Examination of Application

PG1501 Laying open of application
A107 Divisional application of patent
PA0104 Divisional application for international application

Comment text: Divisional Application for International Patent

Patent event code: PA01041R01D

Patent event date: 20080522

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20080826

Patent event code: PE09021S01D

E601 Decision to refuse application
PE0601 Decision on rejection of patent

Patent event date: 20090331

Comment text: Decision to Refuse Application

Patent event code: PE06012S01D

Patent event date: 20080826

Comment text: Notification of reason for refusal

Patent event code: PE06011S01I