DE60319433T2 - Verfahren und vorrichtung zur erhaltung der synchronisation für tdd drahtlose kommunikation - Google Patents
Verfahren und vorrichtung zur erhaltung der synchronisation für tdd drahtlose kommunikation Download PDFInfo
- Publication number
- DE60319433T2 DE60319433T2 DE2003619433 DE60319433T DE60319433T2 DE 60319433 T2 DE60319433 T2 DE 60319433T2 DE 2003619433 DE2003619433 DE 2003619433 DE 60319433 T DE60319433 T DE 60319433T DE 60319433 T2 DE60319433 T2 DE 60319433T2
- Authority
- DE
- Germany
- Prior art keywords
- odd
- local
- parts
- chip
- peak amplitude
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000004891 communication Methods 0.000 title claims abstract description 14
- 238000005070 sampling Methods 0.000 claims abstract description 22
- 238000001514 detection method Methods 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000003111 delayed effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 230000000979 retarding effect Effects 0.000 claims 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000015654 memory Effects 0.000 description 4
- 108010076504 Protein Sorting Signals Proteins 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
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)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02160462 | 2002-12-30 | ||
| 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 |
| 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 DE60319433D1 (de) | 2008-04-10 |
| DE60319433T2 true 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 (https=) |
| EP (1) | EP1582006B1 (https=) |
| JP (1) | JP4701344B2 (https=) |
| CN (1) | CN100438640C (https=) |
| AT (1) | ATE387755T1 (https=) |
| AU (1) | AU2003285710A1 (https=) |
| DE (1) | DE60319433T2 (https=) |
| WO (1) | WO2004059864A1 (https=) |
Families Citing this family (31)
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| CN101689873B (zh) * | 2007-11-23 | 2013-02-27 | 中兴通讯股份有限公司 | 一种td-scdma系统发射分集及接收机处理方法 |
| 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 |
| US9408165B2 (en) | 2008-06-09 | 2016-08-02 | Qualcomm Incorporated | Increasing capacity in wireless communications |
| US9277487B2 (en) * | 2008-08-01 | 2016-03-01 | Qualcomm Incorporated | Cell detection with interference cancellation |
| US9237515B2 (en) | 2008-08-01 | 2016-01-12 | Qualcomm Incorporated | Successive detection and cancellation for cell pilot detection |
| 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 (en) * | 2009-03-04 | 2013-05-08 | Sony Corporation | Receiving apparatus and method with non-oversampling analog to digital conversion |
| 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 |
| EP2505017B1 (en) | 2009-11-27 | 2018-10-31 | Qualcomm Incorporated | Increasing capacity in wireless communications |
| CN102668612B (zh) | 2009-11-27 | 2016-03-02 | 高通股份有限公司 | 增加无线通信中的容量 |
| 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 |
| US9854553B2 (en) * | 2015-04-03 | 2017-12-26 | Dali Systems Co. Ltd. | Method and system for link synchronization in an LTE-TDD architecture |
| 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)
| 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 (en) * | 1997-09-13 | 1999-03-17 | Deutsche Thomson-Brandt Gmbh | Indoor communication system and synchronisation for a receiver |
| 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 |
| JP4184969B2 (ja) * | 2001-11-17 | 2008-11-19 | サムスン エレクトロニクス カンパニー リミテッド | 移動通信システムにおけるハンドオーバーのための信号測定装置及び方法 |
| CN100512066C (zh) * | 2001-11-29 | 2009-07-08 | 美商内数位科技公司 | 于小区搜寻中使用主要及次要同步码的系统及方法 |
| US7006840B2 (en) * | 2003-09-30 | 2006-02-28 | Interdigital Technology Corporation | Efficient frame tracking in mobile receivers |
-
2002
- 2002-12-30 CN CNB021604622A patent/CN100438640C/zh not_active Expired - Fee Related
-
2003
- 2003-12-29 AU AU2003285710A patent/AU2003285710A1/en not_active Abandoned
- 2003-12-29 DE DE2003619433 patent/DE60319433T2/de not_active Expired - Lifetime
- 2003-12-29 US US10/540,694 patent/US7715510B2/en not_active Expired - Fee Related
- 2003-12-29 EP EP03778696A patent/EP1582006B1/en not_active Expired - Lifetime
- 2003-12-29 AT AT03778696T patent/ATE387755T1/de not_active IP Right Cessation
- 2003-12-29 JP JP2004563511A patent/JP4701344B2/ja not_active Expired - Fee Related
- 2003-12-29 WO PCT/IB2003/006248 patent/WO2004059864A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| ATE387755T1 (de) | 2008-03-15 |
| US20060227853A1 (en) | 2006-10-12 |
| AU2003285710A1 (en) | 2004-07-22 |
| JP2006512837A (ja) | 2006-04-13 |
| JP4701344B2 (ja) | 2011-06-15 |
| DE60319433D1 (de) | 2008-04-10 |
| EP1582006B1 (en) | 2008-02-27 |
| CN1512795A (zh) | 2004-07-14 |
| CN100438640C (zh) | 2008-11-26 |
| EP1582006A1 (en) | 2005-10-05 |
| US7715510B2 (en) | 2010-05-11 |
| WO2004059864A1 (en) | 2004-07-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition |