CN101018105B - 一种分级调制移动数字多媒体广播信号传输***和方法 - Google Patents
一种分级调制移动数字多媒体广播信号传输***和方法 Download PDFInfo
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- CN101018105B CN101018105B CN2006101319965A CN200610131996A CN101018105B CN 101018105 B CN101018105 B CN 101018105B CN 2006101319965 A CN2006101319965 A CN 2006101319965A CN 200610131996 A CN200610131996 A CN 200610131996A CN 101018105 B CN101018105 B CN 101018105B
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Abstract
Description
码率 | 信息比特长度K | 码字长度N |
1/2 | 4608比特 | 9216比特 |
3/4 | 6912比特 | 9216比特 |
Mb | Ib | |
Bf=8MHz | 384 | 360 |
Bf=2MHz | 192 | 144 |
选项 | 初始值 |
0 | 0000 0000 0001 |
1 | 0000 1001 0011 |
2 | 0000 0100 1100 |
3 | 0010 1011 0011 |
4 | 0111 0100 0100 |
5 | 0000 0100 1100 |
6 | 0001 0110 1101 |
7 | 0010 1011 0011 |
选项 | T0(μs) | T1(μs) | TGD(μs) |
1 | 409.6 | 51.2 | 2.4 |
2 | 409.6 | 53.6 | 0 |
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CN2006101319965A CN101018105B (zh) | 2006-10-22 | 2006-10-22 | 一种分级调制移动数字多媒体广播信号传输***和方法 |
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CN2006101319965A CN101018105B (zh) | 2006-10-22 | 2006-10-22 | 一种分级调制移动数字多媒体广播信号传输***和方法 |
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CN101018105A CN101018105A (zh) | 2007-08-15 |
CN101018105B true CN101018105B (zh) | 2012-03-14 |
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Cited By (2)
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US8670463B2 (en) | 2007-06-26 | 2014-03-11 | Lg Electronics Inc. | Digital broadcast system for transmitting/receiving digital broadcast data, and data processing method for use in the same |
US8964856B2 (en) | 2007-08-24 | 2015-02-24 | Lg Electronics Inc. | Digital broadcasting system and method of processing data in digital broadcasting system |
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KR101405966B1 (ko) | 2007-06-26 | 2014-06-20 | 엘지전자 주식회사 | 디지털 방송 시스템 및 데이터 처리 방법 |
US8005167B2 (en) | 2007-08-24 | 2011-08-23 | Lg Electronics Inc. | Digital broadcasting system and method of processing data in digital broadcasting system |
CA2694704C (en) * | 2007-08-24 | 2013-06-25 | Lg Electronics Inc. | Digital broadcasting system and method of processing data in digital broadcasting system |
CN103795498B (zh) * | 2007-08-30 | 2018-02-02 | Lg电子株式会社 | 信号发送和接收装置、以及信号发送和接收方法 |
CN101494629A (zh) * | 2008-01-24 | 2009-07-29 | 华为技术有限公司 | 获取符号映射分集、生成星座图、调制的方法和装置 |
CN103595687B (zh) | 2008-10-21 | 2017-03-01 | Lg电子株式会社 | 用于发送和接收信号的装置以及用于发送和接收信号的方法 |
CN101741797B (zh) * | 2008-11-25 | 2013-04-24 | 华为技术有限公司 | 多天线广播的发送方法及装置 |
CN101742077B (zh) * | 2008-11-26 | 2011-12-07 | 中兴通讯股份有限公司 | 一种实现cmmb信道时隙同步的方法和装置 |
CN102246518B (zh) * | 2008-12-15 | 2013-11-13 | Lg电子株式会社 | 用于发送和接收信号的装置以及用于发送和接收信号的方法 |
US9480104B2 (en) * | 2012-01-30 | 2016-10-25 | Marvell World Trade Ltd. | Systems and methods for generating preamble symbols in communication systems |
CN103581091B (zh) * | 2012-07-31 | 2016-06-08 | 武汉邮电科学研究院 | 发射***和接收***、以及发射方法和接收方法 |
CN103532897B (zh) * | 2013-04-07 | 2017-06-13 | 上海数字电视国家工程研究中心有限公司 | Ofdm调制解调方法及对应的发射机、接收机 |
CA2940197C (en) * | 2014-02-20 | 2022-07-26 | Shanghai National Engineering Research Center Of Digital Television Co., Ltd | Interleaving and mapping method and deinterleaving and demapping method for ldpc codeword |
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US11271703B2 (en) | 2014-05-02 | 2022-03-08 | Qualcomm Incorporated | Techniques for improving control channel capacity |
CN103957432B (zh) * | 2014-05-13 | 2017-03-15 | 深圳清华大学研究院 | 一种兼容dvb‑c标准的分级调制传输及接收方法 |
CN107465485A (zh) * | 2014-09-02 | 2017-12-12 | 上海数字电视国家工程研究中心有限公司 | 编码调制方法以及信息处理方法 |
CN105979290A (zh) * | 2016-05-11 | 2016-09-28 | 张学军 | 一种cofdm高速无线图传发射机 |
CN106877981A (zh) * | 2017-03-15 | 2017-06-20 | 北京北广科技股份有限公司 | 一种超快速短波猝发编码调制技术 |
CN109474836B (zh) * | 2017-09-07 | 2020-10-09 | 北京泰美世纪科技有限公司 | 数字多媒体信号的发送、接收方法及装置 |
CN110071894B (zh) * | 2018-01-22 | 2022-05-06 | 中兴通讯股份有限公司 | 一种信息处理方法和***、发送装置及接收装置 |
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CN1448015A (zh) * | 2000-07-12 | 2003-10-08 | 高通股份有限公司 | Ofdm***的实时服务和非实时服务的多路复用 |
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 |
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2006
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Patent Citations (2)
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CN1448015A (zh) * | 2000-07-12 | 2003-10-08 | 高通股份有限公司 | Ofdm***的实时服务和非实时服务的多路复用 |
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 |
Non-Patent Citations (1)
Title |
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JP特开2006-166382A 2006.06.22 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8670463B2 (en) | 2007-06-26 | 2014-03-11 | Lg Electronics Inc. | Digital broadcast system for transmitting/receiving digital broadcast data, and data processing method for use in the same |
US9490936B2 (en) | 2007-06-26 | 2016-11-08 | Lg Electronics Inc. | Digital broadcast system for transmitting/receiving digital broadcast data, and data processing method for use in the same |
US8964856B2 (en) | 2007-08-24 | 2015-02-24 | Lg Electronics Inc. | Digital broadcasting system and method of processing data in digital broadcasting system |
US9369154B2 (en) | 2007-08-24 | 2016-06-14 | Lg Electronics Inc. | Digital broadcasting system and method of processing data in digital broadcasting system |
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