CN101933261B - 在数字视频广播系统中发送和接收前同步码的装置和方法 - Google Patents
在数字视频广播系统中发送和接收前同步码的装置和方法 Download PDFInfo
- Publication number
- CN101933261B CN101933261B CN2009801034356A CN200980103435A CN101933261B CN 101933261 B CN101933261 B CN 101933261B CN 2009801034356 A CN2009801034356 A CN 2009801034356A CN 200980103435 A CN200980103435 A CN 200980103435A CN 101933261 B CN101933261 B CN 101933261B
- Authority
- CN
- China
- Prior art keywords
- sequence
- preamble
- modulation
- scrambling
- mss
- 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.)
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Classifications
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- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/2383—Channel coding or modulation of digital bit-stream, e.g. QPSK modulation
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- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/3488—Multiresolution systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Circuits Of Receivers In General (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2008-0009295 | 2008-01-29 | ||
KR20080009295 | 2008-01-29 | ||
KR10-2008-0010415 | 2008-01-31 | ||
KR20080010415 | 2008-01-31 | ||
KR1020080019388A KR101469977B1 (ko) | 2008-01-29 | 2008-02-29 | 디지털 비디오 방송 시스템에서 프리앰블 송수신 장치 및방법 |
KR10-2008-0019388 | 2008-02-29 | ||
PCT/KR2009/000439 WO2009096720A2 (en) | 2008-01-29 | 2009-01-29 | Apparatus and method for transmitting and receiving preambles in a digital video broadcasting system |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101933261A CN101933261A (zh) | 2010-12-29 |
CN101933261B true CN101933261B (zh) | 2012-11-21 |
Family
ID=41204230
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009801034356A Active CN101933261B (zh) | 2008-01-29 | 2009-01-29 | 在数字视频广播系统中发送和接收前同步码的装置和方法 |
Country Status (16)
Country | Link |
---|---|
JP (1) | JP5158900B2 (lt) |
KR (1) | KR101469977B1 (lt) |
CN (1) | CN101933261B (lt) |
AU (1) | AU2009209788B2 (lt) |
CY (2) | CY1125081T1 (lt) |
DK (2) | DK3920495T3 (lt) |
ES (3) | ES2904701T3 (lt) |
FI (1) | FI3920495T3 (lt) |
HR (2) | HRP20220349T1 (lt) |
HU (2) | HUE057539T2 (lt) |
LT (2) | LT3487134T (lt) |
MY (1) | MY169427A (lt) |
PL (2) | PL3920495T3 (lt) |
PT (2) | PT3920495T (lt) |
RU (1) | RU2475983C2 (lt) |
SI (2) | SI3920495T1 (lt) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5257249B2 (ja) * | 2009-06-04 | 2013-08-07 | ソニー株式会社 | 受信装置、受信方法、およびプログラム、並びに受信システム |
EP2634945B1 (en) * | 2012-02-29 | 2014-12-24 | Mitsubishi Electric R&D Centre Europe B.V. | Method and a device for increasing the amount of information bits comprised in a symbol |
EP2946561A4 (en) | 2013-01-17 | 2016-04-27 | Lg Electronics Inc | APPARATUS FOR TRANSMITTING RADIO SIGNALS, RADIO SIGNAL RECEIVING DEVICE, METHOD FOR TRANSMITTING RADIO SIGNALS AND METHOD FOR RECEIVING BROADCAST SIGNALS |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1216197A (zh) * | 1996-04-15 | 1999-05-05 | Nds有限公司 | 数字视频广播系统 |
CN1516460A (zh) * | 2003-01-09 | 2004-07-28 | 北京泰美世纪科技有限公司 | 在数字视频广播中利用时间域扩频信标进行同步的方法 |
CN1589008A (zh) * | 2004-09-20 | 2005-03-02 | 北京数码视讯科技有限公司 | 一种实现区域锁定的方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2753590B1 (fr) * | 1996-09-19 | 1998-10-30 | Org Europeenne Telecommunications Par Satellite Eutelsat | Dispositif d'emission d'informations numeriques par satellite |
US6389000B1 (en) * | 1997-09-16 | 2002-05-14 | Qualcomm Incorporated | Method and apparatus for transmitting and receiving high speed data in a CDMA communication system using multiple carriers |
JP2968962B1 (ja) * | 1998-08-19 | 1999-11-02 | 日本電信電話株式会社 | Ofdm用プリアンブル生成方法及びofdm用変調回路 |
CA2387812A1 (en) * | 1999-11-09 | 2001-05-17 | Marcos C. Tzannes | Par reduction by carriers phase randomization in multicarrier communications |
EP1463255A1 (en) * | 2003-03-25 | 2004-09-29 | Sony United Kingdom Limited | Interleaver for mapping symbols on the carriers of an OFDM system |
GB2401516A (en) * | 2003-04-17 | 2004-11-10 | Univ Southampton | Peak-to-average power ratio reduction by subtracting shaped pulses from a baseband signal |
US7369633B2 (en) * | 2003-06-13 | 2008-05-06 | The Directv Group, Inc. | Method and apparatus for providing carrier synchronization in digital broadcast and interactive systems |
US7693034B2 (en) * | 2003-08-27 | 2010-04-06 | Sasken Communication Technologies Ltd. | Combined inverse fast fourier transform and guard interval processing for efficient implementation of OFDM based systems |
US7221680B2 (en) * | 2003-09-02 | 2007-05-22 | Qualcomm Incorporated | Multiplexing and transmission of multiple data streams in a wireless multi-carrier communication system |
KR100628310B1 (ko) * | 2003-12-26 | 2006-09-27 | 한국전자통신연구원 | 초광대역 통신을 위한 패킷 구조 및 이를 채용한송수신장치 및 방법 |
JP4589043B2 (ja) * | 2004-07-14 | 2010-12-01 | 株式会社日立国際電気 | データ伝送装置 |
WO2007037008A1 (ja) * | 2005-09-29 | 2007-04-05 | Fujitsu Limited | 送受信装置及び送受信方法 |
-
2008
- 2008-02-29 KR KR1020080019388A patent/KR101469977B1/ko active IP Right Grant
-
2009
- 2009-01-29 DK DK21188226.1T patent/DK3920495T3/da active
- 2009-01-29 JP JP2010544889A patent/JP5158900B2/ja active Active
- 2009-01-29 PT PT211882261T patent/PT3920495T/pt unknown
- 2009-01-29 ES ES18210150T patent/ES2904701T3/es active Active
- 2009-01-29 HR HRP20220349TT patent/HRP20220349T1/hr unknown
- 2009-01-29 PL PL21188226.1T patent/PL3920495T3/pl unknown
- 2009-01-29 HU HUE18210150A patent/HUE057539T2/hu unknown
- 2009-01-29 PT PT182101501T patent/PT3487134T/pt unknown
- 2009-01-29 LT LTEP18210150.1T patent/LT3487134T/lt unknown
- 2009-01-29 HU HUE21188226A patent/HUE062280T2/hu unknown
- 2009-01-29 LT LTEP21188226.1T patent/LT3920495T/lt unknown
- 2009-01-29 DK DK18210150.1T patent/DK3487134T3/da active
- 2009-01-29 ES ES09151618T patent/ES2713095T3/es active Active
- 2009-01-29 MY MYPI2010003028A patent/MY169427A/en unknown
- 2009-01-29 SI SI200932182T patent/SI3920495T1/sl unknown
- 2009-01-29 CN CN2009801034356A patent/CN101933261B/zh active Active
- 2009-01-29 FI FIEP21188226.1T patent/FI3920495T3/fi active
- 2009-01-29 PL PL18210150T patent/PL3487134T3/pl unknown
- 2009-01-29 SI SI200932156T patent/SI3487134T1/sl unknown
- 2009-01-29 HR HRP20230448TT patent/HRP20230448T3/hr unknown
- 2009-01-29 ES ES21188226T patent/ES2948729T3/es active Active
- 2009-01-29 AU AU2009209788A patent/AU2009209788B2/en active Active
- 2009-01-29 RU RU2010131800/07A patent/RU2475983C2/ru active
-
2022
- 2022-02-04 CY CY20221100096T patent/CY1125081T1/el unknown
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2023
- 2023-07-27 CY CY20231100372T patent/CY1126117T1/el unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1216197A (zh) * | 1996-04-15 | 1999-05-05 | Nds有限公司 | 数字视频广播系统 |
CN1516460A (zh) * | 2003-01-09 | 2004-07-28 | 北京泰美世纪科技有限公司 | 在数字视频广播中利用时间域扩频信标进行同步的方法 |
CN1589008A (zh) * | 2004-09-20 | 2005-03-02 | 北京数码视讯科技有限公司 | 一种实现区域锁定的方法 |
Non-Patent Citations (1)
Title |
---|
JP特开2006-33236A 2006.02.02 |
Also Published As
Publication number | Publication date |
---|---|
AU2009209788B2 (en) | 2013-04-18 |
AU2009209788A1 (en) | 2009-08-06 |
HRP20220349T1 (hr) | 2022-05-13 |
RU2010131800A (ru) | 2012-02-10 |
DK3920495T3 (da) | 2023-07-31 |
PL3920495T3 (pl) | 2023-08-21 |
RU2475983C2 (ru) | 2013-02-20 |
ES2904701T3 (es) | 2022-04-05 |
ES2948729T3 (es) | 2023-09-18 |
CY1126117T1 (el) | 2023-11-15 |
ES2713095T3 (es) | 2019-05-17 |
SI3920495T1 (sl) | 2023-06-30 |
PT3487134T (pt) | 2021-12-31 |
JP5158900B2 (ja) | 2013-03-06 |
HUE062280T2 (hu) | 2023-10-28 |
JP2011512727A (ja) | 2011-04-21 |
HUE057539T2 (hu) | 2022-05-28 |
MY169427A (en) | 2019-04-08 |
LT3920495T (lt) | 2023-06-12 |
PT3920495T (pt) | 2023-05-15 |
SI3487134T1 (sl) | 2022-04-29 |
LT3487134T (lt) | 2022-01-10 |
FI3920495T3 (fi) | 2023-07-25 |
PL3487134T3 (pl) | 2022-06-06 |
CN101933261A (zh) | 2010-12-29 |
CY1125081T1 (el) | 2023-06-09 |
KR20090083262A (ko) | 2009-08-03 |
HRP20230448T3 (hr) | 2023-07-21 |
KR101469977B1 (ko) | 2014-12-10 |
DK3487134T3 (da) | 2022-01-24 |
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