GB2390517B - OFDM receivers - Google Patents
OFDM receiversInfo
- Publication number
- GB2390517B GB2390517B GB0315748A GB0315748A GB2390517B GB 2390517 B GB2390517 B GB 2390517B GB 0315748 A GB0315748 A GB 0315748A GB 0315748 A GB0315748 A GB 0315748A GB 2390517 B GB2390517 B GB 2390517B
- Authority
- GB
- United Kingdom
- Prior art keywords
- ofdm receivers
- ofdm
- receivers
- 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
- H04L27/2663—Coarse synchronisation, e.g. by correlation
-
- 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
- H04L27/2662—Symbol synchronisation
- H04L27/2665—Fine synchronisation, e.g. by positioning the FFT window
-
- 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
- H04L27/2689—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
- H04L27/2695—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation with channel estimation, e.g. determination of delay spread, derivative or peak tracking
-
- 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]
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Noise Elimination (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0523749A GB2419263B (en) | 2002-07-05 | 2003-07-04 | OFDM receivers |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0215637A GB0215637D0 (en) | 2002-07-05 | 2002-07-05 | OFDM receivers |
GB0215639A GB0215639D0 (en) | 2002-07-05 | 2002-07-05 | OFDM receivers |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0315748D0 GB0315748D0 (en) | 2003-08-13 |
GB2390517A GB2390517A (en) | 2004-01-07 |
GB2390517B true GB2390517B (en) | 2006-10-18 |
Family
ID=27758846
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0315748A Expired - Fee Related GB2390517B (en) | 2002-07-05 | 2003-07-04 | OFDM receivers |
GB0523749A Expired - Fee Related GB2419263B (en) | 2002-07-05 | 2003-07-04 | OFDM receivers |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0523749A Expired - Fee Related GB2419263B (en) | 2002-07-05 | 2003-07-04 | OFDM receivers |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB2390517B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2423449B (en) * | 2005-02-21 | 2009-10-07 | British Broadcasting Corp | Signal meter for digital systems |
US8009745B2 (en) * | 2005-11-15 | 2011-08-30 | Qualcomm Incorporated | Time tracking for a receiver with guard interval correlation |
DE102007053402A1 (en) | 2007-11-09 | 2009-05-14 | Rohde & Schwarz Gmbh & Co. Kg | Synchronization of receive symbols in OFDM |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6137847A (en) * | 1997-05-02 | 2000-10-24 | Lsi Logic Corporation | Demodulating digital video broadcast signals |
GB2353681A (en) * | 1999-08-27 | 2001-02-28 | Mitsubishi Electric Inf Tech | OFDM symbol synchronisation |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11346206A (en) * | 1998-06-02 | 1999-12-14 | Mitsubishi Electric Corp | Digital broadcast receiver |
JP2003319005A (en) * | 2002-02-20 | 2003-11-07 | Mitsubishi Electric Corp | Symbol timing correction circuit, receiver, symbol timing correction method, and demodulation process method |
-
2003
- 2003-07-04 GB GB0315748A patent/GB2390517B/en not_active Expired - Fee Related
- 2003-07-04 GB GB0523749A patent/GB2419263B/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6137847A (en) * | 1997-05-02 | 2000-10-24 | Lsi Logic Corporation | Demodulating digital video broadcast signals |
GB2353681A (en) * | 1999-08-27 | 2001-02-28 | Mitsubishi Electric Inf Tech | OFDM symbol synchronisation |
Also Published As
Publication number | Publication date |
---|---|
GB0315748D0 (en) | 2003-08-13 |
GB0523749D0 (en) | 2005-12-28 |
GB2419263A (en) | 2006-04-19 |
GB2390517A (en) | 2004-01-07 |
GB2419263B (en) | 2006-10-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20220704 |