DE69708925D1 - Kompensation der dopplerverschiebung in einem mobilkommunikationssystem - Google Patents
Kompensation der dopplerverschiebung in einem mobilkommunikationssystemInfo
- Publication number
- DE69708925D1 DE69708925D1 DE69708925T DE69708925T DE69708925D1 DE 69708925 D1 DE69708925 D1 DE 69708925D1 DE 69708925 T DE69708925 T DE 69708925T DE 69708925 T DE69708925 T DE 69708925T DE 69708925 D1 DE69708925 D1 DE 69708925D1
- Authority
- DE
- Germany
- Prior art keywords
- communication system
- mobile communication
- doppler shift
- bits
- compensation
- 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
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/01—Reducing phase shift
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0024—Carrier regulation at the receiver end
- H04L2027/0026—Correction of carrier offset
- H04L2027/0038—Correction of carrier offset using an equaliser
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0044—Control loops for carrier regulation
- H04L2027/0063—Elements of loops
- H04L2027/0065—Frequency error detectors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0083—Signalling arrangements
- H04L2027/0089—In-band signals
- H04L2027/0093—Intermittant signals
- H04L2027/0095—Intermittant signals in a preamble or similar structure
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Relay Systems (AREA)
- Noise Elimination (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP1997/000488 WO1998034357A1 (en) | 1997-02-04 | 1997-02-04 | Compensation of doppler shift in a mobile communication system |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69708925D1 true DE69708925D1 (de) | 2002-01-17 |
DE69708925T2 DE69708925T2 (de) | 2002-06-20 |
Family
ID=8166499
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69708925T Expired - Lifetime DE69708925T2 (de) | 1997-02-04 | 1997-02-04 | Kompensation der dopplerverschiebung in einem mobilkommunikationssystem |
Country Status (7)
Country | Link |
---|---|
US (1) | US6614860B1 (de) |
EP (1) | EP0958666B1 (de) |
JP (1) | JP2001509332A (de) |
AT (1) | ATE210348T1 (de) |
AU (1) | AU724387B2 (de) |
DE (1) | DE69708925T2 (de) |
WO (1) | WO1998034357A1 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2729499A (en) * | 1999-03-10 | 2000-09-28 | Nokia Networks Oy | Estimation of doppler shift compensation in a mobile communication system |
DE10043743A1 (de) * | 2000-09-05 | 2002-03-14 | Infineon Technologies Ag | Automatische Frequenzkorrektur für Mobilfunkempfänger |
GB2379840A (en) | 2001-09-13 | 2003-03-19 | Ipwireless Inc | Automatic frequency correction |
US7164737B2 (en) * | 2002-12-20 | 2007-01-16 | Lg Electronics Inc. | Method for estimating doppler frequency |
US7702307B2 (en) * | 2006-03-13 | 2010-04-20 | Silicon Laboratories, Inc. | Frequency modulation radio receiver including a noise estimation unit |
KR101459014B1 (ko) * | 2008-02-04 | 2014-11-07 | 삼성전자주식회사 | 이동통신 시스템의 주파수 제어 장치 및 방법 |
US9036750B2 (en) | 2008-12-23 | 2015-05-19 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for receiver frequency error compensation |
US9179328B2 (en) * | 2011-12-06 | 2015-11-03 | Telefonaktiebolaget L M Ericsson (Publ) | Doppler shift compensation apparatus and method |
US10419100B2 (en) | 2012-05-07 | 2019-09-17 | Andrew Wireless Systems Gmbh | Doppler shift correction sub-system for communication device |
WO2015101418A2 (en) * | 2013-12-30 | 2015-07-09 | Universität des Saarlandes | Methods and devices for doppler shift compensation in a mobile communication system |
US9414202B1 (en) * | 2014-09-02 | 2016-08-09 | Marvell International Ltd. | System and method for providing short-range, low-energy location services |
US20220173799A1 (en) * | 2019-03-29 | 2022-06-02 | Nokia Technologies Oy | Apparatus for doppler shift compensation, corresponding method and computer program |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4132200A1 (de) * | 1991-09-27 | 1993-04-01 | Aeg Mobile Communication | Zeitmultiplex-verfahren zur bestimmung der mittleren phasenaenderung eines empfangssignals |
DE4222236A1 (de) | 1992-07-07 | 1994-01-13 | Sel Alcatel Ag | Verfahren und Schaltungsanordnung zur Kompensation einer Dopplerverschiebung |
US5590158A (en) * | 1993-01-28 | 1996-12-31 | Advantest Corporation | Method and apparatus for estimating PSK modulated signals |
WO1995015034A1 (fr) * | 1993-11-29 | 1995-06-01 | Oki Electric Industry Co., Ltd. | Dispositif d'estimation d'une valeur d'evaluation molle et dispositif d'estimation d'un systeme de vraisemblance maximale |
US5724390A (en) * | 1994-03-02 | 1998-03-03 | Lucent Technologies Inc. | MLSE before derotation and after derotation |
FI96257C (fi) * | 1994-04-13 | 1996-05-27 | Nokia Telecommunications Oy | Menetelmä radiotaajuisen signaalin vaihevirheen määrittämiseksi, sekä vastaanotin |
US5729558A (en) * | 1995-03-08 | 1998-03-17 | Lucent Technologies Inc. | Method of compensating for Doppler error in a wireless communications system, such as for GSM and IS54 |
FI105370B (fi) * | 1995-06-16 | 2000-07-31 | Nokia Networks Oy | Menetelmä nopean matkaviestimen tunnistamiseksi sekä tukiasema |
DE69608105T2 (de) | 1995-06-20 | 2000-11-09 | Kao Corp | Verfahren zur herstellung von einem alkohol |
FI111582B (fi) * | 1995-10-23 | 2003-08-15 | Nokia Corp | Menetelmä ja piirijärjestely matkaviestimen sisäisten ajatusvirheiden kompensoimiseksi |
US5884178A (en) * | 1996-11-27 | 1999-03-16 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for estimating speed of a mobile station in a cellular communications system |
US6084929A (en) * | 1996-12-12 | 2000-07-04 | Ericsson Inc. | Method and apparatus for channel tracking |
US5946351A (en) * | 1996-12-27 | 1999-08-31 | At&T Corporation | Tap selectable decision feedback equalizer |
EP0894366B1 (de) * | 1997-02-04 | 2004-04-14 | Nokia Corporation | Adaptive kompensation der dopplerverschiebung in einem mobilkommunikationssystem |
EP0959568A4 (de) * | 1997-03-04 | 2007-09-26 | Mitsubishi Electric Corp | Empfänger mit frequenzversatzkorrektionsfunktion |
US6084862A (en) * | 1997-09-26 | 2000-07-04 | Telefonaktiebolaget Lm Ericsson | Time dispersion measurement in radio communications systems |
-
1997
- 1997-02-04 WO PCT/EP1997/000488 patent/WO1998034357A1/en active IP Right Grant
- 1997-02-04 AT AT97902313T patent/ATE210348T1/de not_active IP Right Cessation
- 1997-02-04 DE DE69708925T patent/DE69708925T2/de not_active Expired - Lifetime
- 1997-02-04 US US09/355,604 patent/US6614860B1/en not_active Expired - Lifetime
- 1997-02-04 JP JP52913398A patent/JP2001509332A/ja active Pending
- 1997-02-04 EP EP97902313A patent/EP0958666B1/de not_active Expired - Lifetime
- 1997-02-04 AU AU16000/97A patent/AU724387B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
JP2001509332A (ja) | 2001-07-10 |
US6614860B1 (en) | 2003-09-02 |
WO1998034357A1 (en) | 1998-08-06 |
AU1600097A (en) | 1998-08-25 |
ATE210348T1 (de) | 2001-12-15 |
EP0958666A1 (de) | 1999-11-24 |
DE69708925T2 (de) | 2002-06-20 |
AU724387B2 (en) | 2000-09-21 |
EP0958666B1 (de) | 2001-12-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69708925D1 (de) | Kompensation der dopplerverschiebung in einem mobilkommunikationssystem | |
WO2001020795A3 (en) | Apparatus for interference compensation of a direct conversion transceiver and method | |
CA2368279A1 (en) | Method and apparatus for determining the location of a remote station in a cdma communication network | |
ATE376723T1 (de) | Bestimmung von frequenzoffsets in ubertragungsystemen | |
NO995452L (no) | Fremgangsmåte for bestemmelse av forskjeller i tidsstyring mellom radiosendere, samt radionett som benytter slik fremgangsmåte | |
DE69804243T2 (de) | Empfangssignalstärke bestimmungsmethoden und systemen | |
WO2000034798A3 (en) | Apparatus and method for triggerable location reporting | |
YU84801A (sh) | Poboljšanje sistema za radio pozicioniranje | |
EP1262790A3 (de) | Verfahren und Vorrichtung zur Zeitbestimmung für GPS-Empfänger | |
DE69613235D1 (de) | Mobilpositionsbestimmung | |
GB2362072B (en) | Bandwidth synthesis for wireless location system | |
DE69728659D1 (de) | Adaptive kompensation der dopplerverschiebung in einem mobilkommunikationssystem | |
AU2003233282A1 (en) | Gps receiver with improved immunity to burst transmissions | |
NO995801D0 (no) | Datakommunikasjons- og radiosystem | |
AU5405099A (en) | Method for detecting the supply quality in a telecommunication network and corresponding mobile telecommunication terminal | |
ATE322768T1 (de) | Radio-sende-empfänger mit geschwindigkeitsabhängiger schätzung der signalqualität | |
NO993233D0 (no) | FremgangsmÕte for sending, samt celledelt radiosystem | |
NO20001385L (no) | Kompensering av Dopplerforskyvning i et mobilkommunikasjonssystem | |
NO991858L (no) | FremgangsmÕte for sending, samt radiosystem | |
SE9202406D0 (sv) | Foerfarande foer bildande av kvalitetsmaatt foer signalskurar | |
WO2000008617A3 (de) | Verfahren zur ermittlung von dynamischen verkehrsinformationen | |
AU2002349799A1 (en) | Determining location information from sampled positioning signals | |
NO993682L (no) | Kompensasjon for Doppler-skift i en mobil kommunikasjonsstasjon | |
NO984557L (no) | Adaptiv kompensasjon for doppler-effekt i et mobilt kommunikasjonssystem | |
JPS63173426A (ja) | 送信電力制御装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |