ATE365427T1 - Rückwarts-kompatibles übertragungssystem für dvb- s standard - Google Patents
Rückwarts-kompatibles übertragungssystem für dvb- s standardInfo
- Publication number
- ATE365427T1 ATE365427T1 AT03715206T AT03715206T ATE365427T1 AT E365427 T1 ATE365427 T1 AT E365427T1 AT 03715206 T AT03715206 T AT 03715206T AT 03715206 T AT03715206 T AT 03715206T AT E365427 T1 ATE365427 T1 AT E365427T1
- Authority
- AT
- Austria
- Prior art keywords
- transmission system
- dvb
- backward compatible
- standard
- modulation
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title abstract 4
- 208000032369 Primary transmission Diseases 0.000 abstract 1
- 230000000737 periodic effect Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/20—Adaptations for transmission via a GHz frequency band, e.g. via satellite
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
- H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/183—Multiresolution systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- Physics & Mathematics (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Transmitters (AREA)
- Structure Of Transmissions (AREA)
- Transmission Devices (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Color Television Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02291087 | 2002-04-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE365427T1 true ATE365427T1 (de) | 2007-07-15 |
Family
ID=29286226
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT03715206T ATE365427T1 (de) | 2002-04-30 | 2003-04-11 | Rückwarts-kompatibles übertragungssystem für dvb- s standard |
Country Status (9)
Country | Link |
---|---|
US (1) | US7315582B2 (de) |
EP (1) | EP1502439B1 (de) |
JP (1) | JP4194999B2 (de) |
KR (1) | KR100971454B1 (de) |
CN (1) | CN100361533C (de) |
AT (1) | ATE365427T1 (de) |
AU (1) | AU2003219395A1 (de) |
DE (1) | DE60314511T2 (de) |
WO (1) | WO2003094520A1 (de) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7907639B2 (en) | 2003-05-05 | 2011-03-15 | Thomson Licensing | Method and apparatus for synchronizing a multi-level modulation signal |
US7464318B2 (en) * | 2003-05-05 | 2008-12-09 | Thomson Licensing | Adaptive soft demodulation for reception of distorted signals |
US20040244059A1 (en) * | 2003-05-30 | 2004-12-02 | Lsi Logic Corporation | Digital set-top box transmodulator |
AU2003272650A1 (en) * | 2003-09-25 | 2005-05-11 | Thomson Licensing S.A. | Digital rf transceiver with multiple imaging modes |
US7907641B2 (en) * | 2003-10-27 | 2011-03-15 | Dtvg Licensing, Inc. | Method and apparatus for providing signal acquisition and frame synchronization in a hierarchical modulation scheme |
US7161988B2 (en) | 2004-04-12 | 2007-01-09 | The Directv Group, Inc. | Method and apparatus for minimizing co-channel interference |
US7672285B2 (en) | 2004-06-28 | 2010-03-02 | Dtvg Licensing, Inc. | Method and apparatus for minimizing co-channel interference by scrambling |
US7460832B2 (en) | 2004-04-12 | 2008-12-02 | The Directv Group, Inc. | Methods and apparatuses for minimizing co-channel interference |
US20060133338A1 (en) * | 2004-11-23 | 2006-06-22 | Interdigital Technology Corporation | Method and system for securing wireless communications |
US7733968B2 (en) * | 2005-09-27 | 2010-06-08 | Qualcomm Incorporated | Evaluation of transmitter performance |
US20070070877A1 (en) * | 2005-09-27 | 2007-03-29 | Thomas Sun | Modulation type determination for evaluation of transmitter performance |
KR100660056B1 (ko) * | 2005-11-07 | 2006-12-20 | 한국전자통신연구원 | 계층적 변조 신호의 독립적 스트림 추출 및 연판정 장치 및그 방법 |
US20070127358A1 (en) * | 2005-11-23 | 2007-06-07 | Qualcomm Incorporated | Phase correction in a test receiver |
US8908577B2 (en) * | 2005-12-02 | 2014-12-09 | Qualcomm Incorporated | Solving IP buffering delays in mobile multimedia applications with translayer optimization |
US7734303B2 (en) * | 2006-04-12 | 2010-06-08 | Qualcomm Incorporated | Pilot modulation error ratio for evaluation of transmitter performance |
KR100886903B1 (ko) * | 2006-12-06 | 2009-03-09 | 한국전자통신연구원 | 위성 송수신 시스템에서 효과적인 신호 송수신을 위한적응형 부호 변조 시스템 및 방법 |
KR100868466B1 (ko) * | 2006-12-06 | 2008-11-12 | 한국전자통신연구원 | 프레임 동기 및 구조 검출 방법 |
US20080137775A1 (en) * | 2006-12-07 | 2008-06-12 | Tae Hoon Kim | Method and apparatus for hierarchical modulation and demodulation in digital broadcasting system |
ES2712914T3 (es) | 2007-06-05 | 2019-05-16 | Constellation Designs Inc | Método y aparato para la señalización con constelaciones de capacidad optimizada |
US8265175B2 (en) | 2007-06-05 | 2012-09-11 | Constellation Designs, Inc. | Methods and apparatuses for signaling with geometric constellations |
US9191148B2 (en) | 2007-06-05 | 2015-11-17 | Constellation Designs, Inc. | Methods and apparatuses for signaling with geometric constellations in a Raleigh fading channel |
EP2755362B1 (de) * | 2007-09-06 | 2016-03-30 | LG Electronics, Inc. | Verfahren und system zum übertragen und empfangen von signalen |
US8306156B2 (en) * | 2007-10-17 | 2012-11-06 | Montage Technology Group Limited | Data aided detection of spectrum inversion |
US9942618B2 (en) | 2007-10-31 | 2018-04-10 | The Directv Group, Inc. | SMATV headend using IP transport stream input and method for operating the same |
EP2134051A1 (de) * | 2008-06-13 | 2009-12-16 | THOMSON Licensing | Adaptives QAM-Übertragungsschema zur Verbesserung der Leistung in einem AWGN-Kanal |
GB2478143A (en) * | 2010-02-25 | 2011-08-31 | Sony Corp | Selective local data insertion using hierarchical modulation symbols on OFDM sub-carriers in DVB-NGH system |
GB2478142A (en) * | 2010-02-25 | 2011-08-31 | Sony Corp | Selective local data insertion using hierarchical modulation symbols on OFDM sub-carriers in DVB-NGH system |
GB2478140A (en) * | 2010-02-25 | 2011-08-31 | Sony Corp | Selective local data insertion using hierarchical modulation symbols on OFDM sub-carriers in DVB-NGH system |
US9112760B2 (en) | 2010-10-18 | 2015-08-18 | Sony Corporation | Transmitter and transmitting method for transmitting data via OFDM symbols in which the data is provided from a plurality of different data pipes |
GB2484896A (en) * | 2010-10-18 | 2012-05-02 | Sony Corp | OFDM transmitter comprises a frequency de-interleaver and interleaver for the manipulation of pilot symbols. |
GB2484895A (en) * | 2010-10-18 | 2012-05-02 | Sony Corp | An OFDM transmitter selects between two modulation schemes for the transmission of national broadcast channel only or national broadcast and local service cha |
KR102200811B1 (ko) * | 2014-05-09 | 2021-01-11 | 삼성전자 주식회사 | 복합 변조 방식을 사용하는 무선 통신 시스템에서 복합 변조 심볼의 복조 장치 및 방법 |
CN104158778B (zh) * | 2014-09-01 | 2017-05-03 | 电子科技大学 | 一种用于空间相位调制的预编码方法 |
US9877174B2 (en) | 2014-10-15 | 2018-01-23 | Intel IP Corporation | Systems, methods, and devices for extending range of wireless networks |
WO2020028409A1 (en) * | 2018-07-30 | 2020-02-06 | The Regents Of The University Of California | Transmitter architecture for generating 4n-qam constellation with no digital-to-analog converters (dac) in signal path requirement |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5305352A (en) * | 1991-10-31 | 1994-04-19 | At&T Bell Laboratories | Coded modulation with unequal error protection |
US5479448A (en) * | 1992-03-31 | 1995-12-26 | At&T Corp. | Method and apparatus for providing antenna diversity |
US5398237A (en) | 1993-05-26 | 1995-03-14 | Gi Corporation | Acquisition and tracking of independent quadrature modulated bitstreams |
FR2724522B1 (fr) * | 1994-09-09 | 1997-01-17 | France Telecom | Procede et dispositif de codage-decodage de canal multiresolution en television numerique haute definition et conventionnelle |
GB9915417D0 (en) * | 1999-07-02 | 1999-09-01 | Nds Ltd | Improvements in or relating to hierarchical coding |
US7054377B1 (en) * | 1999-12-15 | 2006-05-30 | Paradyne Corporation | Space diversity trellis interleaver system and method |
US6674811B1 (en) * | 2000-06-14 | 2004-01-06 | Northrop Grumman Corporation | Efficient pre-distorted 12/4 QAM modulator |
US6947490B1 (en) * | 2000-06-22 | 2005-09-20 | Nortel Networks Limited | Cellular radio communications system |
US6954505B2 (en) * | 2001-03-29 | 2005-10-11 | Texas Instruments Incorporated | Discrete multitone modulation with reduced peak-to-average ratio using unloaded subchannels |
US6693973B2 (en) * | 2001-10-17 | 2004-02-17 | Nokia Corporation | Apparatus, and associated method, for forming a systematic, recursive, space-time code |
US7154936B2 (en) * | 2001-12-03 | 2006-12-26 | Qualcomm, Incorporated | Iterative detection and decoding for a MIMO-OFDM system |
US6760388B2 (en) * | 2001-12-07 | 2004-07-06 | Qualcomm Incorporated | Time-domain transmit and receive processing with channel eigen-mode decomposition for MIMO systems |
CA2503530C (en) * | 2002-10-25 | 2009-12-22 | The Directv Group, Inc. | Lower complexity layered modulation signal processor |
-
2003
- 2003-04-11 US US10/512,624 patent/US7315582B2/en not_active Expired - Fee Related
- 2003-04-11 CN CNB038097257A patent/CN100361533C/zh not_active Expired - Fee Related
- 2003-04-11 JP JP2004502625A patent/JP4194999B2/ja not_active Expired - Fee Related
- 2003-04-11 DE DE60314511T patent/DE60314511T2/de not_active Expired - Lifetime
- 2003-04-11 AU AU2003219395A patent/AU2003219395A1/en not_active Abandoned
- 2003-04-11 AT AT03715206T patent/ATE365427T1/de not_active IP Right Cessation
- 2003-04-11 EP EP03715206A patent/EP1502439B1/de not_active Expired - Lifetime
- 2003-04-11 WO PCT/IB2003/001544 patent/WO2003094520A1/en active IP Right Grant
- 2003-04-11 KR KR1020047017435A patent/KR100971454B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP1502439A1 (de) | 2005-02-02 |
JP2005524351A (ja) | 2005-08-11 |
CN100361533C (zh) | 2008-01-09 |
KR20040104668A (ko) | 2004-12-10 |
WO2003094520A1 (en) | 2003-11-13 |
DE60314511D1 (de) | 2007-08-02 |
EP1502439B1 (de) | 2007-06-20 |
DE60314511T2 (de) | 2008-02-28 |
KR100971454B1 (ko) | 2010-07-22 |
JP4194999B2 (ja) | 2008-12-10 |
CN1650630A (zh) | 2005-08-03 |
US7315582B2 (en) | 2008-01-01 |
AU2003219395A1 (en) | 2003-11-17 |
US20050169400A1 (en) | 2005-08-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |