DE60125925D1 - Referenzsymbole zur Kanalschätzung bei Mehrträgerübertragung - Google Patents
Referenzsymbole zur Kanalschätzung bei MehrträgerübertragungInfo
- Publication number
- DE60125925D1 DE60125925D1 DE60125925T DE60125925T DE60125925D1 DE 60125925 D1 DE60125925 D1 DE 60125925D1 DE 60125925 T DE60125925 T DE 60125925T DE 60125925 T DE60125925 T DE 60125925T DE 60125925 D1 DE60125925 D1 DE 60125925D1
- Authority
- DE
- Germany
- Prior art keywords
- channel estimation
- reference symbols
- carrier transmission
- carrier
- 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
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
- H04L27/261—Details of reference signals
- H04L27/2613—Structure of the reference 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2614—Peak power aspects
- H04L27/262—Reduction thereof by selection of pilot symbols
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
- H04L27/261—Details of reference signals
- H04L27/2613—Structure of the reference signals
- H04L27/26136—Pilot sequence conveying additional information
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01116839A EP1276288B1 (de) | 2001-07-10 | 2001-07-10 | Referenzsymbole zur Kanalschätzung bei Mehrträgerübertragung |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60125925D1 true DE60125925D1 (de) | 2007-02-22 |
DE60125925T2 DE60125925T2 (de) | 2007-06-28 |
Family
ID=8178006
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60125925T Expired - Lifetime DE60125925T2 (de) | 2001-07-10 | 2001-07-10 | Referenzsymbole zur Kanalschätzung bei Mehrträgerübertragung |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1276288B1 (de) |
DE (1) | DE60125925T2 (de) |
ES (1) | ES2278661T3 (de) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1722527B1 (de) | 1999-01-08 | 2008-08-06 | Sony Deutschland Gmbh | Synchronisierungssymbolstruktur für ein OFDM-System |
AU2003212244A1 (en) | 2003-02-14 | 2004-09-06 | Docomo Communications Laboratories Europe Gmbh | Two-dimensional channel estimation for multicarrier multiple input outpout communication systems |
US7835262B2 (en) * | 2003-05-14 | 2010-11-16 | Texas Instruments Incorporated | Multi-band OFDM communications system |
US8064528B2 (en) | 2003-05-21 | 2011-11-22 | Regents Of The University Of Minnesota | Estimating frequency-offsets and multi-antenna channels in MIMO OFDM systems |
JP2006527965A (ja) * | 2003-06-18 | 2006-12-07 | サムスン エレクトロニクス カンパニー リミテッド | 直交周波数分割多重方式を使用する通信システムにおける基地局の識別のためのパイロットパターンを送受信する装置及び方法 |
EP1521413A3 (de) * | 2003-10-01 | 2009-09-30 | Panasonic Corporation | Mehrträgerempfang mit Kanalschätzung und Entzerrung |
JP4212548B2 (ja) | 2003-12-26 | 2009-01-21 | 株式会社東芝 | 無線送信装置、無線受信装置、無線送信方法及び無線受信方法 |
US7864725B2 (en) | 2004-01-29 | 2011-01-04 | Neocific, Inc. | Methods and apparatus for overlaying multi-carrier and direct sequence spread spectrum signals in a broadband wireless communication system |
KR100804651B1 (ko) | 2004-02-13 | 2008-02-20 | 포스데이타 주식회사 | 멀티 캐리어 통신 시스템에서의 적응적 전송 및 피드백방법 및 장치 |
EP1583306B1 (de) * | 2004-03-10 | 2014-05-07 | St Microelectronics S.A. | Mehrträgerempfänger mit Einschätzung der Zeitvarianz des Kanals |
US7742533B2 (en) | 2004-03-12 | 2010-06-22 | Kabushiki Kaisha Toshiba | OFDM signal transmission method and apparatus |
KR100621432B1 (ko) | 2004-04-21 | 2006-09-08 | 삼성전자주식회사 | 복수의 송신 안테나들을 사용하는 다중셀 직교 주파수분할 다중 방식 통신시스템에서 채널 추정 장치 및 방법 |
KR100856249B1 (ko) * | 2004-08-26 | 2008-09-03 | 삼성전자주식회사 | 무선 통신 시스템에서 초기 동작 모드 검출 방법 |
US8014361B2 (en) | 2006-05-09 | 2011-09-06 | Interdigital Technology Corporation | Random access channel for OFDM-MIMO system |
ES2302638B1 (es) * | 2006-12-21 | 2009-06-04 | Vicente Diaz Fuente | Metodo mejorado de codificacion y decodificacion con al menos dos pares de secuencias ortogonales. |
EP2115989B1 (de) * | 2007-01-04 | 2017-03-15 | Electronics and Telecommunications Research Institute | Direktzugangs-präambelstruktur in einer erweiterten zellenumgebung |
US7693031B2 (en) | 2007-01-09 | 2010-04-06 | Futurewei Technologies, Inc. | Method and apparatus for achieving system acquisition and other signaling purposes using the preamble in an OFDM based communications system |
CN101682466A (zh) | 2007-05-16 | 2010-03-24 | 汤姆森特许公司 | 编码和解码信号的装置和方法 |
MX2010004149A (es) | 2007-10-15 | 2010-05-17 | Thomson Licensing | Preambulo para un sistema de television digital. |
EP2201777A2 (de) | 2007-10-15 | 2010-06-30 | Thomson Licensing | Vorrichtung und verfahren zur signalkodierung und -dekodierung |
WO2009072813A2 (en) * | 2007-12-04 | 2009-06-11 | Lg Electronics Inc. | Method and system for transmitting and receiving signals |
CN115085749B (zh) * | 2022-08-22 | 2022-11-04 | 中国人民解放军国防科技大学 | 一种通讯信号的传输畸变处理方法及相关组件 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2313261B (en) * | 1996-05-17 | 2000-08-30 | Motorola Ltd | Devices for transmitter path weights and methods therefor |
WO1999053665A1 (en) * | 1998-04-14 | 1999-10-21 | Fraunhnofer-Gesellschaft Zur Förderung Der Angewand Ten Forschung E.V. | Frame structure and frame synchronization for multicarrier systems |
-
2001
- 2001-07-10 ES ES01116839T patent/ES2278661T3/es not_active Expired - Lifetime
- 2001-07-10 EP EP01116839A patent/EP1276288B1/de not_active Expired - Lifetime
- 2001-07-10 DE DE60125925T patent/DE60125925T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1276288A1 (de) | 2003-01-15 |
DE60125925T2 (de) | 2007-06-28 |
ES2278661T3 (es) | 2007-08-16 |
EP1276288B1 (de) | 2007-01-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |