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TW200703999A - Wireless communication system having adaptive threshold for timing deviation measurement and method - Google Patents

Wireless communication system having adaptive threshold for timing deviation measurement and method

Info

Publication number
TW200703999A
TW200703999A TW095104453A TW95104453A TW200703999A TW 200703999 A TW200703999 A TW 200703999A TW 095104453 A TW095104453 A TW 095104453A TW 95104453 A TW95104453 A TW 95104453A TW 200703999 A TW200703999 A TW 200703999A
Authority
TW
Taiwan
Prior art keywords
timing deviation
wireless communication
adaptive threshold
communication system
deviation measurement
Prior art date
Application number
TW095104453A
Other languages
English (en)
Other versions
TWI323099B (en
Inventor
Hyun-Seok Oh
Kalpendu R Pasad
John W Haim
Original Assignee
Interdigital Tech 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 Tech Corp filed Critical Interdigital Tech Corp
Publication of TW200703999A publication Critical patent/TW200703999A/zh
Application granted granted Critical
Publication of TWI323099B publication Critical patent/TWI323099B/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
    • H04W56/0045—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by altering transmission time

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Transceivers (AREA)
  • Radar Systems Or Details Thereof (AREA)
TW095104453A 2002-02-14 2003-02-14 Wireless transmit receive unit having adaptive threshold for timing deviation measurement and method TWI323099B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US35703302P 2002-02-14 2002-02-14
US10/209,398 US6873662B2 (en) 2002-02-14 2002-07-30 Wireless communication system having adaptive threshold for timing deviation measurement and method

Publications (2)

Publication Number Publication Date
TW200703999A true TW200703999A (en) 2007-01-16
TWI323099B TWI323099B (en) 2010-04-01

Family

ID=27668314

Family Applications (4)

Application Number Title Priority Date Filing Date
TW092127592A TWI308463B (en) 2002-02-14 2003-02-14 A method to facilitate communication between two wireless transmit receive units and wireless transmit receive unit
TW098107779A TWI331463B (en) 2002-02-14 2003-02-14 Wireless communication system having adaptive threshold for timing deviation measurement and method
TW092103091A TWI263448B (en) 2002-02-14 2003-02-14 Wireless communication system having adaptive threshold for timing deviation measurement and method
TW095104453A TWI323099B (en) 2002-02-14 2003-02-14 Wireless transmit receive unit having adaptive threshold for timing deviation measurement and method

Family Applications Before (3)

Application Number Title Priority Date Filing Date
TW092127592A TWI308463B (en) 2002-02-14 2003-02-14 A method to facilitate communication between two wireless transmit receive units and wireless transmit receive unit
TW098107779A TWI331463B (en) 2002-02-14 2003-02-14 Wireless communication system having adaptive threshold for timing deviation measurement and method
TW092103091A TWI263448B (en) 2002-02-14 2003-02-14 Wireless communication system having adaptive threshold for timing deviation measurement and method

Country Status (9)

Country Link
US (3) US6873662B2 (zh)
EP (1) EP1483862B9 (zh)
AT (1) ATE347195T1 (zh)
AU (1) AU2003219757A1 (zh)
DE (1) DE60310043T2 (zh)
ES (1) ES2278153T3 (zh)
HK (1) HK1074122A1 (zh)
TW (4) TWI308463B (zh)
WO (1) WO2003069789A2 (zh)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6873662B2 (en) * 2002-02-14 2005-03-29 Interdigital Technology Corporation Wireless communication system having adaptive threshold for timing deviation measurement and method
US7428278B2 (en) * 2002-05-09 2008-09-23 Interdigital Technology Corporation Method and apparatus for parallel midamble cancellation
US7260056B2 (en) * 2002-05-29 2007-08-21 Interdigital Technology Corporation Channel estimation in a wireless communication system
US7916803B2 (en) 2003-04-10 2011-03-29 Qualcomm Incorporated Modified preamble structure for IEEE 802.11a extensions to allow for coexistence and interoperability between 802.11a devices and higher data rate, MIMO or otherwise extended devices
US8743837B2 (en) * 2003-04-10 2014-06-03 Qualcomm Incorporated Modified preamble structure for IEEE 802.11A extensions to allow for coexistence and interoperability between 802.11A devices and higher data rate, MIMO or otherwise extended devices
US7058378B2 (en) * 2003-11-18 2006-06-06 Interdigital Technology Corporation Method and apparatus for automatic frequency correction of a local oscilator with an error signal derived from an angle value of the conjugate product and sum of block correlator outputs
DK1751890T3 (en) * 2004-05-27 2017-06-12 Qualcomm Inc MODIFIED INTRODUCTION STRUCTURE FOR IEEE 802.11A EXTENSIONS TO ENABLE CO-EXISTENCE AND INTEROPERABILITY BETWEEN 802.11A DEVICES AND HIGHER DATARATES, MIMO OR OTHER EXTENDED DEVICES
EP1608100A1 (en) 2004-06-17 2005-12-21 Mitsubishi Electric Information Technology Centre Europe B.V. Method for transmitting TDD frames with increased data payload
JP2008535334A (ja) * 2005-03-30 2008-08-28 フリースケール セミコンダクター インコーポレイテッド 送信バーストのシーケンスを送信する方法及び装置
US7844232B2 (en) * 2005-05-25 2010-11-30 Research In Motion Limited Joint space-time optimum filters (JSTOF) with at least one antenna, at least one channel, and joint filter weight and CIR estimation
US7835460B2 (en) * 2005-10-27 2010-11-16 Qualcomm Incorporated Apparatus and methods for reducing channel estimation noise in a wireless transceiver
FI20065197A0 (fi) * 2006-03-27 2006-03-27 Nokia Corp Nousevan siirtotien synkronointiparametrin voimassaolon päättely pakettiradiojärjestelmässä
US8131295B2 (en) 2006-06-20 2012-03-06 Interdigital Technology Corporation Methods and system for performing handover in a wireless communication system
KR100937423B1 (ko) 2006-09-26 2010-01-18 엘지전자 주식회사 반복형 시퀀스 생성 방법 및 이를 이용한 신호 송신 방법
EP1909409A1 (de) * 2006-10-04 2008-04-09 Nokia Siemens Networks Gmbh & Co. Kg Verfahren zur zeitlichen Steuerung einer Signalübertragung in Aufwärtsrichtung in einem Funk-Kommunikationssystem
US8509122B2 (en) * 2007-01-16 2013-08-13 Telefonaktiebolaget Lm Ericsson (Publ) Method and a device for enhanced performance in a cellular wireless TDD system
WO2008103089A1 (en) * 2007-02-22 2008-08-28 Telefonaktiebolaget Lm Ericsson (Publ) A method and a device for reduced interference in a cellular access system
DE602007010670D1 (de) * 2007-02-23 2010-12-30 Ericsson Telefon Ab L M Verfahren für erweiterte leistungsfähigkeit in einem zellulären drahtlosen zeitmultiplex (tdd) system
US8243634B2 (en) * 2007-03-07 2012-08-14 Telefonaktiebolaget L M Ericsson (Publ) Random access in time division duplex communication systems
US7995694B2 (en) 2007-03-19 2011-08-09 Sharp Laboratories Of America, Inc. Systems and methods for detecting a specific timing from a synchronization channel
EP2725846B1 (en) 2007-06-21 2017-08-23 InterDigital Technology Corporation Measurement reporting for E-UTRAN
ES2379313T3 (es) 2007-08-08 2012-04-24 Sharp Kabushiki Kaisha Método, sistema de comunicación por radio y dispositivo de estación móvil
CN101425839B (zh) * 2007-10-31 2011-09-14 电信科学技术研究院 一种确定数据发送偏移量的方法、系统和装置
US8649353B2 (en) 2008-03-04 2014-02-11 Interdigital Patent Holdings, Inc. Method and apparatus for accessing a random access channel by selectively using dedicated or contention-based preambles during handover
JP5153395B2 (ja) * 2008-03-17 2013-02-27 株式会社日立製作所 セルラ無線通信システムの基地局および移動局
US8712415B2 (en) 2008-03-20 2014-04-29 Interdigital Patent Holdings, Inc. Timing and cell specific system information handling for handover in evolved UTRA
KR101487358B1 (ko) 2008-06-30 2015-01-30 인터디지탈 패튼 홀딩스, 인크 Ｅ－ｕｔｒａｎ에서 핸드오버를 수행하기 위한 방법 및 장치
CN101790188B (zh) * 2009-01-24 2014-10-08 华为技术有限公司 一种调整时间偏置的方法及用户终端
US20100265904A1 (en) * 2009-04-21 2010-10-21 Industrial Technology Research Institute Method, apparatus and computer program product for interference avoidance in uplink coordinated multi-point reception
CN102577175B (zh) 2009-08-21 2015-12-02 韩国电子通信研究院 无线网络中调整终端信号传输时间的方法及装置
US9042925B2 (en) 2009-12-03 2015-05-26 Lg Electronics Inc. Method and apparatus for reducing inter-cell interference in a wireless communication system
CN102812760B (zh) * 2010-02-15 2016-03-30 瑞典爱立信有限公司 无线电通信系统中的方法和装置
US9204455B2 (en) 2010-08-13 2015-12-01 Telefonaktiebolaget L M Ericsson (Publ) Automatic guard period adjustment in time division duplexed wireless communication
WO2012079080A1 (en) * 2010-12-10 2012-06-14 The Trustees Of Columbia University In The City Of New York Methods, systems, and media for detecting usage of a radio channel
US9479372B2 (en) 2012-03-08 2016-10-25 The Trustees Of Columbia University In The City Of New York Methods, systems, and media for determining whether a signal of interest is present
CN103795667B (zh) * 2012-11-02 2016-12-21 普天信息技术研究院有限公司 一种基于正交频分复用系统的定时补偿方法
WO2015137720A1 (ko) * 2014-03-11 2015-09-17 엘지전자 주식회사 무선 통신 시스템에서 장치 대 장치 단말의 디스커버리 신호 전송 방법 및 장치
CN113708913B (zh) * 2021-09-03 2023-04-11 四川安迪科技实业有限公司 一种定时偏差的对称折半查找估计值的有效性的判定方法
WO2024092414A1 (en) * 2022-10-31 2024-05-10 Nokia Shanghai Bell Co., Ltd. Collision arbitration based on energy levels
CN117221812B (zh) * 2023-10-07 2024-12-27 浙江三维通信科技有限公司 终端设备的定位方法和装置、存储介质及电子装置

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5251233A (en) * 1990-12-20 1993-10-05 Motorola, Inc. Apparatus and method for equalizing a corrupted signal in a receiver
US5642377A (en) * 1995-07-25 1997-06-24 Nokia Mobile Phones, Ltd. Serial search acquisition system with adaptive threshold and optimal decision for spread spectrum systems
JP3286885B2 (ja) 1995-11-07 2002-05-27 三菱電機株式会社 タイミング再生手段及びダイバーシティ通信装置
FI956360L (fi) * 1995-12-29 1997-06-30 Nokia Telecommunications Oy Menetelmä yhteydenmuodostuspurskeen havaitsemiseksi ja vastaanotin
US5884187A (en) * 1996-03-13 1999-03-16 Ziv; Noam A. Method and apparatus for providing centralized power control administration for a set of base stations
US5905757A (en) 1996-10-04 1999-05-18 Motorola, Inc. Filter co-processor
IT1293447B1 (it) 1997-07-14 1999-03-01 Cselt Centro Studi Lab Telecom Procedimento e sistema per la ricezione di segnali digitali
JP2894342B1 (ja) * 1998-03-13 1999-05-24 日本電気株式会社 スロットタイミング検出方法および検出回路ならびに移動局ならびに移動通信システム
US6618452B1 (en) * 1998-06-08 2003-09-09 Telefonaktiebolaget Lm Ericsson (Publ) Burst carrier frequency synchronization and iterative frequency-domain frame synchronization for OFDM
WO2000041466A2 (en) * 1999-01-16 2000-07-20 Koninklijke Philips Electronics N.V. Radio communication system
US6930995B1 (en) 1999-06-23 2005-08-16 Cingular Wireless Ii, Llc Apparatus and method for synchronization in a multiple-carrier communication system by observing a plurality of synchronization indicators
US6389087B1 (en) 1999-06-23 2002-05-14 At&T Wireless Services, Inc. Apparatus and method for synchronization in a multiple-carrier communication system by observing energy within a guard band
JP4390938B2 (ja) 1999-12-10 2009-12-24 株式会社日立国際電気 無線アクセスシステム
AU4985701A (en) * 2000-04-06 2001-10-23 Interdigital Tech Corp Synchronization of timing advance and deviation
JP2001339359A (ja) 2000-05-25 2001-12-07 Matsushita Electric Ind Co Ltd 無線通信同期方法及び無線通信システム
JP2002016529A (ja) 2000-06-29 2002-01-18 Toshiba Corp 移動無線機
JP3583355B2 (ja) * 2000-07-28 2004-11-04 松下電器産業株式会社 基地局装置およびチャネル割当て方法
DE10050125A1 (de) * 2000-10-11 2002-04-25 Zeiss Carl Vorrichtung zum Temperaturausgleich für thermisch belastete Körper mit niederer Wärmeleitfähigkeit, insbesondere für Träger reflektierender Schichten oder Substrate in der Optik
EP1213855A1 (en) * 2000-12-08 2002-06-12 Lucent Technologies Inc. Frame structure for TDD telecommunication systems
US6873662B2 (en) * 2002-02-14 2005-03-29 Interdigital Technology Corporation Wireless communication system having adaptive threshold for timing deviation measurement and method

Also Published As

Publication number Publication date
TWI323099B (en) 2010-04-01
WO2003069789A3 (en) 2004-07-15
HK1074122A1 (en) 2005-10-28
DE60310043T2 (de) 2007-07-05
US20080248796A1 (en) 2008-10-09
AU2003219757A1 (en) 2003-09-04
TW200405735A (en) 2004-04-01
TW201001969A (en) 2010-01-01
EP1483862B9 (en) 2007-02-28
US20030153275A1 (en) 2003-08-14
US6873662B2 (en) 2005-03-29
TW200421886A (en) 2004-10-16
ES2278153T3 (es) 2007-08-01
AU2003219757A8 (en) 2003-09-04
EP1483862A4 (en) 2005-04-06
TWI263448B (en) 2006-10-01
WO2003069789A2 (en) 2003-08-21
EP1483862B1 (en) 2006-11-29
US20050078771A1 (en) 2005-04-14
TWI308463B (en) 2009-04-01
US7388933B2 (en) 2008-06-17
DE60310043D1 (de) 2007-01-11
TWI331463B (en) 2010-10-01
EP1483862A2 (en) 2004-12-08
ATE347195T1 (de) 2006-12-15

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