DE60110452D1 - Zeitanpassung in einem cdma-system - Google Patents
Zeitanpassung in einem cdma-systemInfo
- Publication number
- DE60110452D1 DE60110452D1 DE60110452T DE60110452T DE60110452D1 DE 60110452 D1 DE60110452 D1 DE 60110452D1 DE 60110452 T DE60110452 T DE 60110452T DE 60110452 T DE60110452 T DE 60110452T DE 60110452 D1 DE60110452 D1 DE 60110452D1
- Authority
- DE
- Germany
- Prior art keywords
- synchronization word
- received signal
- signal
- worth
- determination
- 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
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
- H04B1/7075—Synchronisation aspects with code phase acquisition
- H04B1/7077—Multi-step acquisition, e.g. multi-dwell, coarse-fine or validation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/54—Signalisation aspects of the TPC commands, e.g. frame structure
-
- 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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/0055—Synchronisation arrangements determining timing error of reception due to propagation delay
- H04W56/0065—Synchronisation arrangements determining timing error of reception due to propagation delay using measurement of signal travel time
- H04W56/007—Open loop measurement
- H04W56/0075—Open loop measurement based on arrival time vs. expected arrival time
- H04W56/0085—Open loop measurement based on arrival time vs. expected arrival time detecting a given structure in the signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/04—Interfaces between hierarchically different network devices
- H04W92/10—Interfaces between hierarchically different network devices between terminal device and access point, i.e. wireless air interface
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Mobile Radio Communication Systems (AREA)
- Electric Clocks (AREA)
- Quinoline Compounds (AREA)
- Paper (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Television Signal Processing For Recording (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0027540 | 2000-11-10 | ||
GB0027540A GB2369017B8 (en) | 2000-11-10 | 2000-11-10 | Time alignment |
PCT/GB2001/004847 WO2002039607A1 (en) | 2000-11-10 | 2001-11-01 | Time alignment in a cdma system |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60110452D1 true DE60110452D1 (de) | 2005-06-02 |
DE60110452T2 DE60110452T2 (de) | 2006-01-19 |
Family
ID=9902974
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60110452T Expired - Lifetime DE60110452T2 (de) | 2000-11-10 | 2001-11-01 | Zeitanpassung in einem cdma-system |
Country Status (10)
Country | Link |
---|---|
US (1) | US7443939B2 (de) |
EP (1) | EP1334564B1 (de) |
JP (1) | JP2004523145A (de) |
KR (1) | KR20030059234A (de) |
CN (1) | CN1248423C (de) |
AT (1) | ATE294466T1 (de) |
AU (1) | AU2002210752A1 (de) |
DE (1) | DE60110452T2 (de) |
GB (1) | GB2369017B8 (de) |
WO (1) | WO2002039607A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2369017B8 (en) * | 2000-11-10 | 2006-04-06 | Ubinetics Ltd | Time alignment |
US6959053B2 (en) | 2001-07-13 | 2005-10-25 | Koninklijke Philips Electronics N.V. | Method and apparatus for searching for a pre-defined code in a bit stream |
US7706470B2 (en) * | 2006-01-06 | 2010-04-27 | Mediatek Inc. | Acquisition method for global positioning system |
CN100371851C (zh) * | 2006-11-27 | 2008-02-27 | 杭州华三通信技术有限公司 | 时间同步方法及装置 |
CN109814135B (zh) * | 2019-03-13 | 2020-12-11 | 清华四川能源互联网研究院 | 基于gnss设备的时间对准方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2346764B (en) * | 1986-04-04 | 2001-02-21 | Racal Res Ltd | Radio systems |
GB8621875D0 (en) * | 1986-09-11 | 1986-11-05 | Emi Plc Thorn | Signal receiver |
WO1995007577A1 (fr) | 1993-09-06 | 1995-03-16 | Ntt Mobile Communications Network Inc. | Detecteur de correlation de type progressif |
JP3107995B2 (ja) * | 1995-08-11 | 2000-11-13 | 松下電器産業株式会社 | 同期装置 |
GB2315647B (en) * | 1996-07-23 | 2001-02-21 | Roke Manor Research | Randomised code acquisition |
JPH10112672A (ja) * | 1996-10-05 | 1998-04-28 | Toyota Central Res & Dev Lab Inc | スペクトラム拡散通信用受信機 |
KR100268445B1 (ko) | 1997-11-18 | 2000-10-16 | 윤종용 | 획득 시간을 단축할수 있는 확산 대역 통신 시스템의 수신장치 |
US6363049B1 (en) * | 1998-03-25 | 2002-03-26 | Sony Corporation | Adaptive acquisition system for CDMA and spread spectrum systems compensating for frequency offset and noise |
US6625200B1 (en) * | 1999-01-25 | 2003-09-23 | Ericsson Inc. | Multi-stage CDMA synchronization with parallel execution |
KR100369791B1 (ko) | 1999-04-29 | 2003-01-29 | 삼성전자 주식회사 | 비동기 방식의 부호분할다중접속 통신시스템의 동기장치및 방법 |
EP1130793A1 (de) * | 2000-03-03 | 2001-09-05 | Alcatel | Verfahren zur Synchronisierung eines Funkendgerät eines Funkübertragungsnetzwerkes und entsprechendes Funkendgerät |
GB2369017B8 (en) * | 2000-11-10 | 2006-04-06 | Ubinetics Ltd | Time alignment |
-
2000
- 2000-11-10 GB GB0027540A patent/GB2369017B8/en not_active Expired - Fee Related
-
2001
- 2001-11-01 DE DE60110452T patent/DE60110452T2/de not_active Expired - Lifetime
- 2001-11-01 AT AT01978657T patent/ATE294466T1/de not_active IP Right Cessation
- 2001-11-01 US US10/416,297 patent/US7443939B2/en not_active Expired - Lifetime
- 2001-11-01 AU AU2002210752A patent/AU2002210752A1/en not_active Abandoned
- 2001-11-01 CN CNB018211186A patent/CN1248423C/zh not_active Expired - Fee Related
- 2001-11-01 KR KR10-2003-7006321A patent/KR20030059234A/ko active IP Right Grant
- 2001-11-01 WO PCT/GB2001/004847 patent/WO2002039607A1/en active IP Right Grant
- 2001-11-01 JP JP2002541813A patent/JP2004523145A/ja active Pending
- 2001-11-01 EP EP01978657A patent/EP1334564B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB0027540D0 (en) | 2000-12-27 |
JP2004523145A (ja) | 2004-07-29 |
GB2369017B (en) | 2004-06-16 |
US20040081262A1 (en) | 2004-04-29 |
WO2002039607A1 (en) | 2002-05-16 |
EP1334564A1 (de) | 2003-08-13 |
KR20030059234A (ko) | 2003-07-07 |
AU2002210752A1 (en) | 2002-05-21 |
US7443939B2 (en) | 2008-10-28 |
DE60110452T2 (de) | 2006-01-19 |
CN1248423C (zh) | 2006-03-29 |
CN1483247A (zh) | 2004-03-17 |
GB2369017B8 (en) | 2006-04-06 |
ATE294466T1 (de) | 2005-05-15 |
GB2369017A (en) | 2002-05-15 |
EP1334564B1 (de) | 2005-04-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
MXPA03005535A (es) | Metodo y aparato de procesamiento de senales sismicas para generar volumenes espectrales de correlacion para determinar caracteristicas geologicas. | |
AU3865700A (en) | Synchronization and cell search method and apparatus for wireless communications | |
DK0805983T3 (da) | Fremgangsmåe og forbindelser til magnetorelaksometrisk detection af analytter og anvendelse deraf | |
HK1039696A1 (en) | User terminal parallel searcher | |
ATE152871T1 (de) | Verfahren zum bestimmen der zu wählenden codierungsart für die codierung von wenigstens zwei signalen | |
MA27666A1 (fr) | Procede de purification | |
CA2055105A1 (en) | Multi-channel digital receiver for global positioning system | |
ATE435530T1 (de) | Verfahren un vorrichtung zur kodephasennachführung | |
WO2002093550A3 (de) | Vorrichtung zum analysieren eines audiosignals hinsichtlich von rhythmusinformationen unter verwendung einer autokorrelationsfunktion | |
FR2707818B1 (fr) | Procédé de détermination des déports de ressources de communication. | |
AU2001259233A1 (en) | System and method for determining user identity fraud using similarity searching | |
BR9814250A (pt) | Sistema de localização de comunicações | |
ATE246806T1 (de) | Verfahren zum nachweis von kolonkrebs aus stuhlproben | |
ATE421806T1 (de) | Vorrichtung und verfahren zur ausführung von pulsformmessungen | |
AU2001255715A1 (en) | System and method for determining user identity fraud using similarity searching | |
WO2003048302A3 (en) | Identifying anti-tumor targets or agents by lipid raft immunization and proteomics | |
ATE421139T1 (de) | Verfahren zum betreiben eines spracherkennungssystemes | |
DE60110452D1 (de) | Zeitanpassung in einem cdma-system | |
NO982996D0 (no) | FremgangsmÕte for Õ detektere en oppsett-skur for et anrop, samt mottaker | |
GB0225283D0 (en) | Method and system for reducing noise in a multi-carrier signal | |
WO2004081521A3 (en) | Methods for direct detection of individual methotrexate metabolites | |
DE60108221D1 (de) | Verfahren zur Verringerung der Mehrwegstörungen in einem Navigationsempfänger | |
PT943010E (pt) | Processo para a deteccao de contaminantes microbiologicos vivos numa amostra de produto alimentar | |
DK1385993T3 (da) | Fremgangsmåde til detektering og behandling af tuberøs sclerose kompleksrelaterede lidelser | |
ATE389264T1 (de) | Anfangssynchronisationssuche in einem mobilfunksystem |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: UBINETICS (VPT) LTD., CAMBRIDGE, CAMBRIDGESHIRE, G |