CN102244640A - 一种用于qam信号差分编解码的实现方法 - Google Patents
一种用于qam信号差分编解码的实现方法 Download PDFInfo
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CN102244640A true CN102244640A (zh) | 2011-11-16 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103236906A (zh) * | 2013-05-10 | 2013-08-07 | 湖南大学 | Ami系统载波通信模块基带映射及解映射方法 |
CN106850499A (zh) * | 2017-04-13 | 2017-06-13 | 桂林电子科技大学 | 一种角度差分qam解调方法和解调器 |
CN108881097A (zh) * | 2018-06-15 | 2018-11-23 | 中国电子科技集团公司第四十研究所 | 一种基于格雷码的方形qam星座图编码方法和系统 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US20060140299A1 (en) * | 2004-12-08 | 2006-06-29 | Jin Eun S | QAM symbol mapping method and apparatus for downstream transmission of a cable modem |
CN101123439A (zh) * | 2007-07-10 | 2008-02-13 | 华为技术有限公司 | 一种网格编码调制码的编码调制、译码方法及装置 |
CN101547181A (zh) * | 2009-04-17 | 2009-09-30 | 北京大学 | 一种qam星座图标签的构建方法 |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US20060140299A1 (en) * | 2004-12-08 | 2006-06-29 | Jin Eun S | QAM symbol mapping method and apparatus for downstream transmission of a cable modem |
CN101123439A (zh) * | 2007-07-10 | 2008-02-13 | 华为技术有限公司 | 一种网格编码调制码的编码调制、译码方法及装置 |
CN101547181A (zh) * | 2009-04-17 | 2009-09-30 | 北京大学 | 一种qam星座图标签的构建方法 |
Non-Patent Citations (3)
Title |
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《中国优秀硕士学位论文全文数据库 信息科技辑》 20080515 雷立云 数字式频率合成器的研究与设计 , * |
ANDREA CONTI ET AL: "Slow Adaptive M-QAM With Diversity in Fast Fading and Shadowing", 《IEEE TRANSACTIONS ON COMMUNICATIONS》, vol. 55, no. 5, 31 May 2007 (2007-05-31), XP011181259, DOI: 10.1109/TCOMM.2007.892453 * |
雷立云: "数字式频率合成器的研究与设计", 《中国优秀硕士学位论文全文数据库 信息科技辑》, 15 May 2008 (2008-05-15) * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103236906A (zh) * | 2013-05-10 | 2013-08-07 | 湖南大学 | Ami系统载波通信模块基带映射及解映射方法 |
CN106850499A (zh) * | 2017-04-13 | 2017-06-13 | 桂林电子科技大学 | 一种角度差分qam解调方法和解调器 |
CN106850499B (zh) * | 2017-04-13 | 2023-03-24 | 桂林电子科技大学 | 一种角度差分qam解调方法和解调器 |
CN108881097A (zh) * | 2018-06-15 | 2018-11-23 | 中国电子科技集团公司第四十研究所 | 一种基于格雷码的方形qam星座图编码方法和系统 |
CN108881097B (zh) * | 2018-06-15 | 2021-01-22 | 中国电子科技集团公司第四十一研究所 | 一种基于格雷码的方形qam星座图编码方法和系统 |
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