DE69224278D1 - Verfahren zur Übertragung von Referenzsignalen in einem Mehrträgerdatenübertragungssystem - Google Patents
Verfahren zur Übertragung von Referenzsignalen in einem MehrträgerdatenübertragungssystemInfo
- Publication number
- DE69224278D1 DE69224278D1 DE69224278T DE69224278T DE69224278D1 DE 69224278 D1 DE69224278 D1 DE 69224278D1 DE 69224278 T DE69224278 T DE 69224278T DE 69224278 T DE69224278 T DE 69224278T DE 69224278 D1 DE69224278 D1 DE 69224278D1
- Authority
- DE
- Germany
- Prior art keywords
- reference signals
- carrier data
- data transmission
- transmission system
- transmission
- 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
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
-
- 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
- H04L25/0204—Channel estimation of multiple channels
-
- 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
- H04L25/0214—Channel estimation of impulse response of a single coefficient
-
- 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
- H04L25/0226—Channel estimation using sounding signals sounding signals per se
-
- 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
- H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
- H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
- H04L25/0232—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between sounding signals
- H04L25/0234—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between sounding signals by non-linear interpolation
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9116165A FR2685839A1 (fr) | 1991-12-26 | 1991-12-26 | Procede de modulation et de demodulation coherent pour la transmission de donnees haut debit en hf. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69224278D1 true DE69224278D1 (de) | 1998-03-05 |
DE69224278T2 DE69224278T2 (de) | 1998-05-14 |
Family
ID=9420521
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69224278T Expired - Lifetime DE69224278T2 (de) | 1991-12-26 | 1992-12-21 | Verfahren zur Übertragung von Referenzsignalen in einem Mehrträgerdatenübertragungssystem |
Country Status (6)
Country | Link |
---|---|
US (1) | US5572548A (de) |
EP (1) | EP0549445B1 (de) |
CA (1) | CA2086295C (de) |
DE (1) | DE69224278T2 (de) |
ES (1) | ES2111624T3 (de) |
FR (1) | FR2685839A1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE59409422D1 (de) | 1993-09-10 | 2000-08-10 | Thomson Brandt Gmbh | Verfahren zur übertragung von referenzsignalen in einem ofdm-system |
NL9400548A (nl) * | 1994-04-07 | 1995-11-01 | Nederland Ptt | Breedband transmissie systeem. |
FR2757334B1 (fr) * | 1996-12-13 | 1999-03-12 | Thomson Csf | Procede de transmission ou de radiodiffusion numerique |
CH691717A5 (de) * | 1997-03-08 | 2001-09-14 | Comet Technik Ag | Kondensator mit kaltfliessgepressten Elektroden. |
US6963570B1 (en) * | 1997-07-15 | 2005-11-08 | Comsat Corporation | Method and apparatus for adaptive loss-less compression of cell/packet headers |
DE19857677B4 (de) * | 1998-12-14 | 2008-04-24 | Siemens Ag | Verfahren und Anordnung zur Kodierung von Symbolen für eine Übertragung über eine Funkschnittstelle eines Funk-Kommunikationssystems |
US8343186B2 (en) | 2004-04-06 | 2013-01-01 | Arthrex, Inc. | Fully threaded suture anchor with transverse anchor pin |
FR2805689B1 (fr) | 2000-02-29 | 2003-07-04 | Thomson Csf | Procede et dispositif d'estimation d'un canal de propagation |
FR2813727B1 (fr) * | 2000-09-01 | 2002-11-29 | Thomson Csf | Procede et dispositif pour ordonner des signaux provenant de multi-utilisateurs |
FR2813726B1 (fr) * | 2000-09-01 | 2006-06-23 | Thomson Csf | Procede et dispositif pour demoduler des signaux provenant de multi-utilisateurs |
FR2829642B1 (fr) | 2001-09-12 | 2004-01-16 | Eads Defence & Security Ntwk | Signal multiporteuses, procede de poursuite d'un canal de transmission a partir d'un tel signal et dispositif pour sa mise en oeuvre |
US6901550B2 (en) * | 2001-10-17 | 2005-05-31 | Actelis Networks Inc. | Two-dimensional interleaving in a modem pool environment |
JP4338532B2 (ja) * | 2003-02-21 | 2009-10-07 | 富士通株式会社 | 通信装置 |
US7599453B2 (en) * | 2005-04-21 | 2009-10-06 | Telefonaktiebolaget L M Ericsson (Publ) | Doppler spread estimation for OFDM systems |
KR101256696B1 (ko) * | 2005-04-21 | 2013-04-19 | 텔레폰악티에볼라겟엘엠에릭슨(펍) | Ofdm 시스템에서의 감소된 복잡성 채널 추정 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4383316A (en) * | 1980-04-14 | 1983-05-10 | Bell Telephone Laboratories, Incorporated | Apparatus for and method of collating partitioned time disordered synchronous data streams |
US4881245A (en) * | 1983-07-01 | 1989-11-14 | Harris Corporation | Improved signalling method and apparatus |
US4881241A (en) * | 1988-02-24 | 1989-11-14 | Centre National D'etudes Des Telecommunications | Method and installation for digital communication, particularly between and toward moving vehicles |
US5191576A (en) * | 1988-11-18 | 1993-03-02 | L'Etat Francais and Telediffusion de France S.A. | Method for broadcasting of digital data, notably for radio broadcasting at high throughput rate towards mobile receivers, with time frequency interlacing and analog synchronization |
FR2658017B1 (fr) * | 1990-02-06 | 1992-06-05 | France Etat | Procede de diffusion de donnees numeriques, notamment pour la radiodiffusion a haut debit vers des mobiles, a entrelacement temps-frequence et aide a l'acquisition de la commande automatique de frequence, et recepteur correspondant. |
FR2658016B1 (fr) * | 1990-02-06 | 1994-01-21 | Etat Francais Cnet | Procede de diffusion de donnees numeriques, notamment pour la radiodiffusion a haut debit vers des mobiles, a entrelacement temps-frequence et demodulation coherente, et recepteur correspondant. |
US5357502A (en) * | 1990-02-06 | 1994-10-18 | France Telecom And Telediffusion De France Sa | Device for the reception of digital data time frequency interlacing, notably for radio broadcasting at high bit rate towards mobile receivers with nyquist temporal window |
WO1991020140A1 (en) * | 1990-06-12 | 1991-12-26 | Motorola, Inc. | Quadrature amplitude modulation synchronization method |
US5170413A (en) * | 1990-12-24 | 1992-12-08 | Motorola, Inc. | Control strategy for reuse system assignments and handoff |
US5243629A (en) * | 1991-09-03 | 1993-09-07 | At&T Bell Laboratories | Multi-subcarrier modulation for hdtv transmission |
-
1991
- 1991-12-26 FR FR9116165A patent/FR2685839A1/fr active Granted
-
1992
- 1992-12-21 DE DE69224278T patent/DE69224278T2/de not_active Expired - Lifetime
- 1992-12-21 EP EP92403485A patent/EP0549445B1/de not_active Expired - Lifetime
- 1992-12-21 ES ES92403485T patent/ES2111624T3/es not_active Expired - Lifetime
- 1992-12-22 US US07/994,912 patent/US5572548A/en not_active Expired - Lifetime
- 1992-12-24 CA CA002086295A patent/CA2086295C/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2685839B1 (de) | 1995-01-27 |
EP0549445A1 (de) | 1993-06-30 |
FR2685839A1 (fr) | 1993-07-02 |
CA2086295C (en) | 2003-07-22 |
CA2086295A1 (en) | 1993-06-27 |
US5572548A (en) | 1996-11-05 |
EP0549445B1 (de) | 1998-01-28 |
ES2111624T3 (es) | 1998-03-16 |
DE69224278T2 (de) | 1998-05-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
R071 | Expiry of right |
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