DE60319433D1 - Verfahren und vorrichtung zur erhaltung der synchronisation für tdd drahtlose kommunikation - Google Patents

Verfahren und vorrichtung zur erhaltung der synchronisation für tdd drahtlose kommunikation

Info

Publication number
DE60319433D1
DE60319433D1 DE60319433T DE60319433T DE60319433D1 DE 60319433 D1 DE60319433 D1 DE 60319433D1 DE 60319433 T DE60319433 T DE 60319433T DE 60319433 T DE60319433 T DE 60319433T DE 60319433 D1 DE60319433 D1 DE 60319433D1
Authority
DE
Germany
Prior art keywords
midamble
wireless communication
tdd wireless
peaks
parts
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 - Lifetime
Application number
DE60319433T
Other languages
English (en)
Other versions
DE60319433T2 (de
Inventor
Jingxin Liang
Zhiyu Zhang
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.)
NXP BV
Original Assignee
NXP BV
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 NXP BV filed Critical NXP BV
Publication of DE60319433D1 publication Critical patent/DE60319433D1/de
Application granted granted Critical
Publication of DE60319433T2 publication Critical patent/DE60319433T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04B1/7085—Synchronisation aspects using a code tracking loop, e.g. a delay-locked loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L7/042—Detectors therefor, e.g. correlators, state machines

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Radio Relay Systems (AREA)
DE2003619433 2002-12-30 2003-12-29 Verfahren und vorrichtung zur erhaltung der synchronisation für tdd drahtlose kommunikation Expired - Lifetime DE60319433T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CNB021604622A CN100438640C (zh) 2002-12-30 2002-12-30 用于tdd无线通信下行同步跟踪的采样方法及其装置
CN02160462 2002-12-30
PCT/IB2003/006248 WO2004059864A1 (en) 2002-12-30 2003-12-29 Method and device to maintain synchronization tracking in tdd wireless communication

Publications (2)

Publication Number Publication Date
DE60319433D1 true DE60319433D1 (de) 2008-04-10
DE60319433T2 DE60319433T2 (de) 2009-02-19

Family

ID=32661115

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2003619433 Expired - Lifetime DE60319433T2 (de) 2002-12-30 2003-12-29 Verfahren und vorrichtung zur erhaltung der synchronisation für tdd drahtlose kommunikation

Country Status (8)

Country Link
US (1) US7715510B2 (de)
EP (1) EP1582006B1 (de)
JP (1) JP4701344B2 (de)
CN (1) CN100438640C (de)
AT (1) ATE387755T1 (de)
AU (1) AU2003285710A1 (de)
DE (1) DE60319433T2 (de)
WO (1) WO2004059864A1 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7006840B2 (en) * 2003-09-30 2006-02-28 Interdigital Technology Corporation Efficient frame tracking in mobile receivers
WO2006067658A2 (en) * 2004-12-24 2006-06-29 Koninklijke Philips Electronics N.V. Method and apparatus for time slot synchronization in wireless communication system
JP4579726B2 (ja) * 2005-03-14 2010-11-10 株式会社エヌ・ティ・ティ・ドコモ 移動通信端末
JP4551249B2 (ja) 2005-03-14 2010-09-22 株式会社エヌ・ティ・ティ・ドコモ 移動通信端末
CN100377519C (zh) * 2005-06-17 2008-03-26 凯明信息科技股份有限公司 码分多址移动通信系统中用于初始同步的相关方法
US9071344B2 (en) 2005-08-22 2015-06-30 Qualcomm Incorporated Reverse link interference cancellation
US9014152B2 (en) 2008-06-09 2015-04-21 Qualcomm Incorporated Increasing capacity in wireless communications
US8611305B2 (en) 2005-08-22 2013-12-17 Qualcomm Incorporated Interference cancellation for wireless communications
CN100405865C (zh) * 2006-07-19 2008-07-23 北京天碁科技有限公司 Td-scdma终端及其同频小区时延和功率检测方法
EP2219293B1 (de) * 2007-11-23 2016-04-13 ZTE Corporation Sendediversitäts- und empfängerverarbeitungsverfahren in einem td-scdma-system
KR100893737B1 (ko) * 2007-12-17 2009-04-17 한국전자통신연구원 타이밍 동기 범위 제한을 위한 ｍｂ－ｏｆｄｍ ｕｗｂ시스템에서의 수신 장치 및 방법
US7933256B2 (en) * 2008-02-27 2011-04-26 Qualcomm Incorporated Coherent single antenna interference cancellation for GSM/GPRS/EDGE
US20100046660A1 (en) * 2008-05-13 2010-02-25 Qualcomm Incorporated Interference cancellation under non-stationary conditions
US9237515B2 (en) 2008-08-01 2016-01-12 Qualcomm Incorporated Successive detection and cancellation for cell pilot detection
US9277487B2 (en) * 2008-08-01 2016-03-01 Qualcomm Incorporated Cell detection with interference cancellation
US8509293B2 (en) * 2008-08-19 2013-08-13 Qualcomm Incorporated Semi-coherent timing propagation for GERAN multislot configurations
US8503591B2 (en) * 2008-08-19 2013-08-06 Qualcomm Incorporated Enhanced geran receiver using channel input beamforming
EP2226963B1 (de) * 2009-03-04 2013-05-08 Sony Corporation Empfangsvorrichtung und Verfahren ohne Überabtastung bei der Analog-Digital-Umwandlung
US9160577B2 (en) * 2009-04-30 2015-10-13 Qualcomm Incorporated Hybrid SAIC receiver
US8787509B2 (en) 2009-06-04 2014-07-22 Qualcomm Incorporated Iterative interference cancellation receiver
JP2011003970A (ja) * 2009-06-16 2011-01-06 Fujitsu Ltd 受信装置、基地局装置及び同期タイミング検出方法
US8831149B2 (en) 2009-09-03 2014-09-09 Qualcomm Incorporated Symbol estimation methods and apparatuses
US8619928B2 (en) * 2009-09-03 2013-12-31 Qualcomm Incorporated Multi-stage interference suppression
WO2011063568A1 (en) 2009-11-27 2011-06-03 Qualcomm Incorporated Increasing capacity in wireless communications
WO2011063569A1 (en) 2009-11-27 2011-06-03 Qualcomm Incorporated Increasing capacity in wireless communications
CN101771461A (zh) * 2010-01-18 2010-07-07 北京东方信联科技有限公司 一种td-scdma系统中保持信号同步的方法、装置及系统
US20120069753A1 (en) * 2010-07-08 2012-03-22 Qualcomm Incorporated Channel estimation based on midamble
KR102023373B1 (ko) * 2013-03-11 2019-09-23 삼성전자주식회사 코드 분할 다중 접속 시스템에서의 동기획득 방법 및 장치
CN107850631B (zh) * 2015-04-03 2020-06-26 大力系统有限公司 用于lte-tdd架构中的链路同步的方法和系统
CN107272012A (zh) * 2017-07-13 2017-10-20 重庆航天机电设计院 一种激光测距电路
CN113078937B (zh) * 2021-03-19 2023-04-07 四川航天神坤科技有限公司 一种tdd体制下的数据链下行链路的捕获方法及其系统

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3164944B2 (ja) * 1993-06-30 2001-05-14 三菱電機株式会社 同期検出回路
US5754584A (en) * 1994-09-09 1998-05-19 Omnipoint Corporation Non-coherent spread-spectrum continuous-phase modulation communication system
JP3414558B2 (ja) * 1995-08-25 2003-06-09 沖電気工業株式会社 最大相関値タイミング推定回路及び受信装置
JP3305217B2 (ja) * 1996-12-03 2002-07-22 キヤノン株式会社 通信方法
EP0902555A1 (de) * 1997-09-13 1999-03-17 Deutsche Thomson-Brandt Gmbh Nachrichtenübertragungssystem für Innenraum und Synchronisation eines Empfängers
JPH11317693A (ja) * 1998-05-07 1999-11-16 Ntt Mobil Commun Network Inc 直接拡散ｃｄｍａ移動通信システムにおける信号伝送方法、拡散同期方法、基地局及び移動局
GB9810686D0 (en) * 1998-05-19 1998-07-15 King S College London Dual direction estimator
DE19917334A1 (de) * 1999-04-16 2000-10-26 Siemens Ag Mittambelstruktur für TD-CDMA-Mobilfunksysteme
JP2001024556A (ja) * 1999-07-05 2001-01-26 Matsushita Electric Ind Co Ltd 通信装置
US6859899B2 (en) * 2000-05-15 2005-02-22 Texas Instruments Incorporated Method for data packet acquisition using split preamble
GB2371725A (en) * 2001-01-24 2002-07-31 Ubinetics Ltd A rake receiver wherein each finger has a DLL and at least one has early and late correlators connected via a controllable bandwidth filter to a subtractor
US6760365B2 (en) * 2001-10-11 2004-07-06 Interdigital Technology Corporation Acquisition circuit for low chip rate option for mobile telecommunication system
US7200124B2 (en) * 2001-11-17 2007-04-03 Samsung Electronics Co., Ltd. Signal measurement apparatus and method for handover in a mobile communication system
KR100855577B1 (ko) * 2001-11-29 2008-09-03 인터디지탈 테크날러지 코포레이션 시분할 이중 시스템에서의 셀 검색 방법, 노드 비(ｂ) 및사용자 장치
US7006840B2 (en) * 2003-09-30 2006-02-28 Interdigital Technology Corporation Efficient frame tracking in mobile receivers

Also Published As

Publication number Publication date
WO2004059864A1 (en) 2004-07-15
US7715510B2 (en) 2010-05-11
CN1512795A (zh) 2004-07-14
DE60319433T2 (de) 2009-02-19
JP4701344B2 (ja) 2011-06-15
JP2006512837A (ja) 2006-04-13
EP1582006B1 (de) 2008-02-27
CN100438640C (zh) 2008-11-26
EP1582006A1 (de) 2005-10-05
AU2003285710A1 (en) 2004-07-22
US20060227853A1 (en) 2006-10-12
ATE387755T1 (de) 2008-03-15

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