CN101800725B - 移动多媒体广播发送系统 - Google Patents
移动多媒体广播发送系统 Download PDFInfo
- Publication number
- CN101800725B CN101800725B CN200910078052A CN200910078052A CN101800725B CN 101800725 B CN101800725 B CN 101800725B CN 200910078052 A CN200910078052 A CN 200910078052A CN 200910078052 A CN200910078052 A CN 200910078052A CN 101800725 B CN101800725 B CN 101800725B
- Authority
- CN
- China
- Prior art keywords
- mobile multimedia
- transmission system
- code
- interleaver
- subcarriers
- 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
- 230000005540 biological transmission Effects 0.000 title claims abstract description 38
- 238000013507 mapping Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 6
- 230000009897 systematic effect Effects 0.000 claims description 6
- 230000009466 transformation Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000000969 carrier Substances 0.000 claims description 3
- 238000000165 glow discharge ionisation Methods 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 238000009432 framing Methods 0.000 abstract description 5
- 238000001228 spectrum Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 21
- 238000004891 communication Methods 0.000 description 10
- 239000011159 matrix material Substances 0.000 description 6
- 230000001360 synchronised effect Effects 0.000 description 6
- 101150071746 Pbsn gene Proteins 0.000 description 5
- 125000004122 cyclic group Chemical group 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000013468 resource allocation Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0071—Use of interleaving
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
- H04L5/0064—Rate requirement of the data, e.g. scalable bandwidth, data priority
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
- Error Detection And Correction (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200910078052A CN101800725B (zh) | 2009-02-11 | 2009-02-11 | 移动多媒体广播发送系统 |
PCT/CN2010/070476 WO2010091622A1 (fr) | 2009-02-11 | 2010-02-02 | Système de transmission en diffusion multimédia mobile |
HK11101105.7A HK1147149A1 (en) | 2009-02-11 | 2011-02-02 | A mobile multimedia broadcast transmission system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200910078052A CN101800725B (zh) | 2009-02-11 | 2009-02-11 | 移动多媒体广播发送系统 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101800725A CN101800725A (zh) | 2010-08-11 |
CN101800725B true CN101800725B (zh) | 2012-10-24 |
Family
ID=42561408
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200910078052A Expired - Fee Related CN101800725B (zh) | 2009-02-11 | 2009-02-11 | 移动多媒体广播发送系统 |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN101800725B (fr) |
HK (1) | HK1147149A1 (fr) |
WO (1) | WO2010091622A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102611463B (zh) * | 2012-04-09 | 2014-08-06 | 上海交通大学 | 多进制低密度奇偶校验码的级联编译码系统及方法 |
WO2016049909A1 (fr) * | 2014-09-30 | 2016-04-07 | 华为技术有限公司 | Procédé de transmission de données et dispositif associé |
CN113783597B (zh) * | 2021-08-10 | 2022-11-01 | 中国科学院国家空间科学中心 | 近地遥感卫星可变编码调制数据传输组帧系统及组帧方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1909546A (zh) * | 2006-08-18 | 2007-02-07 | 清华大学 | 宽带无线多媒体系统的物理层下行链路帧的发射方法 |
CN1960357A (zh) * | 2006-10-20 | 2007-05-09 | 北京泰美世纪科技有限公司 | 多载波数字移动多媒体广播系统及其数字信息传输方法 |
CN1960358A (zh) * | 2006-10-20 | 2007-05-09 | 北京泰美世纪科技有限公司 | 一种多载波数字移动多媒体广播的数字信息传输方法 |
CN101018104A (zh) * | 2006-11-01 | 2007-08-15 | 北京创毅视讯科技有限公司 | 移动数字多媒体广播信号传输系统及信道带宽改变方法 |
CN101018223A (zh) * | 2006-10-22 | 2007-08-15 | 北京创毅视讯科技有限公司 | 一种移动数字多媒体广播信号传输系统和方法 |
-
2009
- 2009-02-11 CN CN200910078052A patent/CN101800725B/zh not_active Expired - Fee Related
-
2010
- 2010-02-02 WO PCT/CN2010/070476 patent/WO2010091622A1/fr active Application Filing
-
2011
- 2011-02-02 HK HK11101105.7A patent/HK1147149A1/xx not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1909546A (zh) * | 2006-08-18 | 2007-02-07 | 清华大学 | 宽带无线多媒体系统的物理层下行链路帧的发射方法 |
CN1960357A (zh) * | 2006-10-20 | 2007-05-09 | 北京泰美世纪科技有限公司 | 多载波数字移动多媒体广播系统及其数字信息传输方法 |
CN1960358A (zh) * | 2006-10-20 | 2007-05-09 | 北京泰美世纪科技有限公司 | 一种多载波数字移动多媒体广播的数字信息传输方法 |
CN101018223A (zh) * | 2006-10-22 | 2007-08-15 | 北京创毅视讯科技有限公司 | 一种移动数字多媒体广播信号传输系统和方法 |
CN101018104A (zh) * | 2006-11-01 | 2007-08-15 | 北京创毅视讯科技有限公司 | 移动数字多媒体广播信号传输系统及信道带宽改变方法 |
Also Published As
Publication number | Publication date |
---|---|
WO2010091622A1 (fr) | 2010-08-19 |
HK1147149A1 (en) | 2011-07-29 |
CN101800725A (zh) | 2010-08-11 |
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