DE60123864D1 - Ortung einer zyklischen Verlängerung in einem Mehrträgersignal - Google Patents
Ortung einer zyklischen Verlängerung in einem MehrträgersignalInfo
- Publication number
- DE60123864D1 DE60123864D1 DE60123864T DE60123864T DE60123864D1 DE 60123864 D1 DE60123864 D1 DE 60123864D1 DE 60123864 T DE60123864 T DE 60123864T DE 60123864 T DE60123864 T DE 60123864T DE 60123864 D1 DE60123864 D1 DE 60123864D1
- Authority
- DE
- Germany
- Prior art keywords
- locating
- multicarrier signal
- cyclic extension
- cyclic
- extension
- 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 - Fee Related
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
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2662—Symbol synchronisation
-
- 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
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2666—Acquisition of further OFDM parameters, e.g. bandwidth, subcarrier spacing, or guard interval length
-
- 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
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2668—Details of algorithms
- H04L27/2673—Details of algorithms characterised by synchronisation parameters
- H04L27/2676—Blind, i.e. without using known symbols
- H04L27/2678—Blind, i.e. without using known symbols using cyclostationarities, e.g. cyclic prefix or postfix
-
- 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
- H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
- H04L27/2607—Cyclic extensions
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Telephonic Communication Services (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Mobile Radio Communication Systems (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Communication Control (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000094257A JP3448007B2 (ja) | 2000-03-30 | 2000-03-30 | モデム装置及び通信装置並びに通信制御方法 |
JP2000094257 | 2000-03-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60123864D1 true DE60123864D1 (de) | 2006-11-30 |
DE60123864T2 DE60123864T2 (de) | 2007-02-15 |
Family
ID=18609328
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60123864T Expired - Fee Related DE60123864T2 (de) | 2000-03-30 | 2001-03-28 | Ortung einer zyklischen Verlängerung in einem Mehrträgersignal |
Country Status (4)
Country | Link |
---|---|
US (1) | US6922437B2 (de) |
EP (1) | EP1139626B1 (de) |
JP (1) | JP3448007B2 (de) |
DE (1) | DE60123864T2 (de) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2818148B2 (ja) | 1996-08-23 | 1998-10-30 | 株式会社次世代デジタルテレビジョン放送システム研究所 | Ofdm復調装置 |
GB9709063D0 (en) | 1997-05-02 | 1997-06-25 | British Broadcasting Corp | Improvements to OFDM symbol synchronization |
US6519291B1 (en) | 1998-02-03 | 2003-02-11 | Lucent Technologies Inc. | Reduction of interference in discrete multi-tone (DMT) based communications systems |
US6618452B1 (en) | 1998-06-08 | 2003-09-09 | Telefonaktiebolaget Lm Ericsson (Publ) | Burst carrier frequency synchronization and iterative frequency-domain frame synchronization for OFDM |
US6279022B1 (en) * | 1998-11-13 | 2001-08-21 | Integrated Telecom Express, Inc. | System and method for detecting symbol boundary in multi-carrier transmission systems |
-
2000
- 2000-03-30 JP JP2000094257A patent/JP3448007B2/ja not_active Expired - Fee Related
-
2001
- 2001-03-20 US US09/811,585 patent/US6922437B2/en not_active Expired - Fee Related
- 2001-03-28 EP EP01107956A patent/EP1139626B1/de not_active Expired - Lifetime
- 2001-03-28 DE DE60123864T patent/DE60123864T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US6922437B2 (en) | 2005-07-26 |
EP1139626B1 (de) | 2006-10-18 |
JP2001285240A (ja) | 2001-10-12 |
EP1139626A3 (de) | 2004-01-02 |
DE60123864T2 (de) | 2007-02-15 |
EP1139626A2 (de) | 2001-10-04 |
JP3448007B2 (ja) | 2003-09-16 |
US20010026582A1 (en) | 2001-10-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |