DE60201765D1 - Verfahren und Vorrichtung zur Schätzung der Kovarianzmatrix des Übertragungskanals eines UMTS-Systems - Google Patents
Verfahren und Vorrichtung zur Schätzung der Kovarianzmatrix des Übertragungskanals eines UMTS-SystemsInfo
- Publication number
- DE60201765D1 DE60201765D1 DE60201765T DE60201765T DE60201765D1 DE 60201765 D1 DE60201765 D1 DE 60201765D1 DE 60201765 T DE60201765 T DE 60201765T DE 60201765 T DE60201765 T DE 60201765T DE 60201765 D1 DE60201765 D1 DE 60201765D1
- Authority
- DE
- Germany
- Prior art keywords
- estimating
- covariance matrix
- statistics
- noise
- estimation
- 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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0212—Channel estimation of impulse response
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/024—Channel estimation channel estimation algorithms
- H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
- H04L25/0248—Eigen-space methods
-
- 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
- H04B1/7097—Interference-related aspects
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Mobile Radio Communication Systems (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0102653A FR2821502A1 (fr) | 2001-02-27 | 2001-02-27 | Procede et dispositif d'estimation d'un canal de propagation a partir de ses statistiques |
FR0102653 | 2001-02-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60201765D1 true DE60201765D1 (de) | 2004-12-09 |
DE60201765T2 DE60201765T2 (de) | 2005-12-15 |
Family
ID=8860496
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60201765T Expired - Lifetime DE60201765T2 (de) | 2001-02-27 | 2002-02-22 | Verfahren und Vorrichtung zur Schätzung der Kovarianzmatrix des Übertragungskanals eines UMTS-Systems |
Country Status (6)
Country | Link |
---|---|
US (1) | US7062227B2 (de) |
EP (1) | EP1235399B1 (de) |
AT (1) | ATE281729T1 (de) |
CA (1) | CA2374095A1 (de) |
DE (1) | DE60201765T2 (de) |
FR (1) | FR2821502A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020176485A1 (en) * | 2001-04-03 | 2002-11-28 | Hudson John E. | Multi-cast communication system and method of estimating channel impulse responses therein |
EP1379040A1 (de) * | 2002-07-03 | 2004-01-07 | Motorola, Inc. | Anordnung und Verfahren zur iterativen Schätzung der Kanalimpulsantwort |
US7397842B2 (en) | 2003-09-26 | 2008-07-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for combining weight computation in a DS-CDMA RAKE receiver |
US7539240B2 (en) | 2004-03-12 | 2009-05-26 | Telefonaftiebolaget Lm Ericsson (Publ) | Method and apparatus for parameter estimation in a generalized rake receiver |
US7848389B2 (en) * | 2004-03-12 | 2010-12-07 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for scaling parameter estimation in parametric generalized rake receivers |
US8059011B2 (en) * | 2006-09-15 | 2011-11-15 | Itron, Inc. | Outage notification system |
US8787210B2 (en) | 2006-09-15 | 2014-07-22 | Itron, Inc. | Firmware download with adaptive lost packet recovery |
US8248267B2 (en) | 2009-01-29 | 2012-08-21 | Itron, Inc. | Systems and methods for improving reception of data in wireless communication environments |
US10833799B2 (en) | 2018-05-31 | 2020-11-10 | Itron Global Sarl | Message correction and dynamic correction adjustment for communication systems |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2715488B1 (fr) | 1994-01-21 | 1996-03-22 | Thomson Csf | Procédé et dispositif permettant à un modem de se synchroniser sur un transmetteur de données numériques par voie hertzienne en présence de brouilleurs. |
GB2286506B (en) * | 1994-02-10 | 1997-12-10 | Roke Manor Research | Improvements in or relating to co-channel interferance suppression systems |
FR2732490B1 (fr) | 1995-03-28 | 1997-04-25 | Thomson Csf | Procede de reception multicapteur d'une station de base d'un reseau de communication echangeant des donnees avec des mobiles, et dispositif pour sa mise en oeuvre |
EP0846378B1 (de) | 1995-08-22 | 1999-10-06 | Thomson-Csf | Verfahren und anordnung zur räumlichen multiplexierung/demultiplexierung von funksignalen in einem sdma-mobilfunksystem |
FR2742619B1 (fr) | 1995-12-15 | 1998-02-06 | Thomson Csf | Procede d'egalisation multicapteur permettant une reception multicapteur en presence d'interferences et de multitrajets de propagation, et recepteur pour sa mise en oeuvre |
US5870430A (en) | 1996-12-26 | 1999-02-09 | Thomson-Csf | Process for multi-sensor equalisation in a radio receiver in the presence of interference and multiple propagation paths |
US5918161A (en) * | 1997-01-16 | 1999-06-29 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Method and apparatus for reducing multipath signal error using deconvolution |
FR2758926B1 (fr) | 1997-01-24 | 1999-04-30 | France Telecom | Procede d'egalisation multicapteurs dans un recepteur radioelectrique comportant un nombre determine de voies de reception et recepteur correspondant |
FR2762164B1 (fr) * | 1997-04-14 | 1999-09-24 | Nortel Matra Cellular | Sondage a ponderation temporelle d'un canal de transmission |
FR2764074B1 (fr) | 1997-06-03 | 1999-08-20 | Thomson Csf | Procede et dispositif de radiogoniometrie cooperative en transmission |
FR2766320B1 (fr) | 1997-07-15 | 1999-10-15 | Thomson Csf | Procede et dispositif d'analyse des interferences dans un systeme de radiocommunication cellulaire |
US6144710A (en) * | 1998-04-23 | 2000-11-07 | Lucent Technologies, Inc. | Joint maximum likelihood sequence estimator with dynamic channel description |
US6311043B1 (en) * | 1998-10-27 | 2001-10-30 | Siemens Aktiengesellschaft | Method and measurement configuration for measuring the characteristics of radio channels |
US6151368A (en) * | 1999-03-22 | 2000-11-21 | Sicom, Inc. | Phase-noise compensated digital communication receiver and method therefor |
US6434366B1 (en) * | 2000-05-31 | 2002-08-13 | Motorola, Inc. | Method and system for estimating adaptive array weights used to transmit a signal to a receiver in a wireless communication system |
-
2001
- 2001-02-27 FR FR0102653A patent/FR2821502A1/fr active Pending
-
2002
- 2002-02-22 AT AT02290443T patent/ATE281729T1/de not_active IP Right Cessation
- 2002-02-22 DE DE60201765T patent/DE60201765T2/de not_active Expired - Lifetime
- 2002-02-22 EP EP02290443A patent/EP1235399B1/de not_active Expired - Lifetime
- 2002-02-26 CA CA002374095A patent/CA2374095A1/fr not_active Abandoned
- 2002-02-27 US US10/083,127 patent/US7062227B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1235399A1 (de) | 2002-08-28 |
FR2821502A1 (fr) | 2002-08-30 |
CA2374095A1 (fr) | 2002-08-27 |
US7062227B2 (en) | 2006-06-13 |
ATE281729T1 (de) | 2004-11-15 |
US20020150176A1 (en) | 2002-10-17 |
EP1235399B1 (de) | 2004-11-03 |
DE60201765T2 (de) | 2005-12-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |