CN102497346A - 基于cofdm的高清视频无线传输系统的基带发射机 - Google Patents
基于cofdm的高清视频无线传输系统的基带发射机 Download PDFInfo
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- CN102497346A CN102497346A CN2011104140483A CN201110414048A CN102497346A CN 102497346 A CN102497346 A CN 102497346A CN 2011104140483 A CN2011104140483 A CN 2011104140483A CN 201110414048 A CN201110414048 A CN 201110414048A CN 102497346 A CN102497346 A CN 102497346A
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Abstract
Description
传送码流 | TS流 |
传输码率 | 4.8Mbps~32Mbps |
扰码器 | 15-bit PRBS |
外编码 | RS(204,188,8) |
外交织器 | 12 RS块交织 |
内编码 | 卷积码 |
卷积编码速率 | 1/2,2/3,3/4,5/6,7/8 |
内交织器 | 卷积交织和频域交织 |
星座调制器 | QPSK/QAM16/QAM64 |
IFFT | 2K和8K模式 |
保护间隔 | OFDM符号的1/32,1/16,1/8,1/4 |
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CN102497346A true CN102497346A (zh) | 2012-06-13 |
CN102497346B CN102497346B (zh) | 2014-10-29 |
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Cited By (9)
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CN103686091A (zh) * | 2013-12-23 | 2014-03-26 | 张兴玉 | 机动式多媒体通信应急救援指挥系统 |
CN103763554A (zh) * | 2013-09-07 | 2014-04-30 | 安徽华东光电技术研究所 | 基于cofdm的高清视频无线传输系统的rs解码模块系统、方法 |
CN105409176A (zh) * | 2013-07-22 | 2016-03-16 | 三星电子株式会社 | 发送设备、接收设备及其信号处理方法 |
CN105553609A (zh) * | 2015-12-09 | 2016-05-04 | 中国民用航空飞行学院 | 一种机载设备的信息处理方法及设备 |
CN105940626A (zh) * | 2014-11-06 | 2016-09-14 | Lg电子株式会社 | 用于接收广播信号的方法和设备以及用于发送广播信号的方法和设备 |
CN105979290A (zh) * | 2016-05-11 | 2016-09-28 | 张学军 | 一种cofdm高速无线图传发射机 |
CN105812107B (zh) * | 2014-12-31 | 2019-12-06 | 中兴通讯股份有限公司 | Ofdma系统中数据包处理方法及装置 |
CN110855297A (zh) * | 2019-11-19 | 2020-02-28 | 安徽新华学院 | 应用于无线传感器网络中的ldpc信道编码模块和系统 |
CN115695116A (zh) * | 2022-11-07 | 2023-02-03 | 四川工商学院 | 一种基于时间同步的跟踪发信控制方法与装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1288330A (zh) * | 2000-08-25 | 2001-03-21 | 清华大学 | 地面数字多媒体电视广播系统 |
CN1407801A (zh) * | 2001-08-28 | 2003-04-02 | 电子科技大学 | 同步多载波扩频地面数字电视传输系统 |
US20080205417A1 (en) * | 2007-02-26 | 2008-08-28 | Huamin Li | Method and apparatus for bridging wired and wireless communication networks |
CN101409699A (zh) * | 2008-11-28 | 2009-04-15 | 清华大学 | 一种用于宽带无线移动通信系统中的信号传输方法 |
-
2011
- 2011-12-13 CN CN201110414048.3A patent/CN102497346B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1288330A (zh) * | 2000-08-25 | 2001-03-21 | 清华大学 | 地面数字多媒体电视广播系统 |
CN1407801A (zh) * | 2001-08-28 | 2003-04-02 | 电子科技大学 | 同步多载波扩频地面数字电视传输系统 |
US20080205417A1 (en) * | 2007-02-26 | 2008-08-28 | Huamin Li | Method and apparatus for bridging wired and wireless communication networks |
CN101409699A (zh) * | 2008-11-28 | 2009-04-15 | 清华大学 | 一种用于宽带无线移动通信系统中的信号传输方法 |
Non-Patent Citations (1)
Title |
---|
中华人民共和国国家质量监督检验检疫总局等: "《中华人民共和国国家标准GB20600-2006》", 18 August 2006 * |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105409176A (zh) * | 2013-07-22 | 2016-03-16 | 三星电子株式会社 | 发送设备、接收设备及其信号处理方法 |
US10383001B2 (en) | 2013-07-22 | 2019-08-13 | Samsung Electronics Co., Ltd. | Transmitting apparatus, receiving apparatus and signal processing method thereof |
US11202229B2 (en) | 2013-07-22 | 2021-12-14 | Samsung Electronics Co., Ltd. | Transmitting apparatus, receiving apparatus and signal processing method thereof |
CN103763554A (zh) * | 2013-09-07 | 2014-04-30 | 安徽华东光电技术研究所 | 基于cofdm的高清视频无线传输系统的rs解码模块系统、方法 |
CN103686091A (zh) * | 2013-12-23 | 2014-03-26 | 张兴玉 | 机动式多媒体通信应急救援指挥系统 |
CN105940626A (zh) * | 2014-11-06 | 2016-09-14 | Lg电子株式会社 | 用于接收广播信号的方法和设备以及用于发送广播信号的方法和设备 |
CN105812107B (zh) * | 2014-12-31 | 2019-12-06 | 中兴通讯股份有限公司 | Ofdma系统中数据包处理方法及装置 |
CN105553609A (zh) * | 2015-12-09 | 2016-05-04 | 中国民用航空飞行学院 | 一种机载设备的信息处理方法及设备 |
CN105553609B (zh) * | 2015-12-09 | 2019-03-05 | 中国民用航空飞行学院 | 一种机载设备的信息处理方法及设备 |
CN105979290A (zh) * | 2016-05-11 | 2016-09-28 | 张学军 | 一种cofdm高速无线图传发射机 |
CN110855297A (zh) * | 2019-11-19 | 2020-02-28 | 安徽新华学院 | 应用于无线传感器网络中的ldpc信道编码模块和系统 |
CN115695116A (zh) * | 2022-11-07 | 2023-02-03 | 四川工商学院 | 一种基于时间同步的跟踪发信控制方法与装置 |
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