CN102404272A - 基于编码正交频分复用的无线信号处理***与方法 - Google Patents
基于编码正交频分复用的无线信号处理***与方法 Download PDFInfo
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- CN102404272A CN102404272A CN2011104140318A CN201110414031A CN102404272A CN 102404272 A CN102404272 A CN 102404272A CN 2011104140318 A CN2011104140318 A CN 2011104140318A CN 201110414031 A CN201110414031 A CN 201110414031A CN 102404272 A CN102404272 A CN 102404272A
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Abstract
Description
IFFT变换器 | 1 |
4倍升采样器 | 2 |
第一π/4低通滤波器 | 3 |
限幅器 | 4 |
第二π/4低通滤波器 | 5 |
4倍下采样器 | 6 |
第一FFT变换器 | 7 |
第一加法器 | 8 |
增益控制器 | 9 |
第二加法器 | 10 |
限幅滤波器 | 11 |
星座扩展器 | 12 |
第二FFT变换器 | 13 |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102769595A (zh) * | 2012-07-16 | 2012-11-07 | 清华大学 | 降低apsk星座图调制papr的方法 |
WO2014194697A1 (zh) * | 2013-06-08 | 2014-12-11 | 华为技术有限公司 | 无线通信***中ofdm信号峰值功率的抑制方法及发射机 |
CN104468455A (zh) * | 2014-12-29 | 2015-03-25 | 西安电子科技大学 | 联合星座扩展与预留子载波的lte***ofdm信号峰均比抑制方法 |
CN105553909A (zh) * | 2015-12-08 | 2016-05-04 | 北京遥测技术研究所 | 一种迭代限幅滤波降低ofdm信号峰均比的方法 |
CN109088843A (zh) * | 2018-10-22 | 2018-12-25 | 中国传媒大学 | 一种基于ofdm信号幅度最佳分布的峰均比抑制方法 |
CN110519201A (zh) * | 2019-09-30 | 2019-11-29 | 中国传媒大学 | 一种基于ofdm发射机***的信号峰均比抑制方法 |
CN112230212A (zh) * | 2020-09-28 | 2021-01-15 | 北京环境特性研究所 | 雷达测距信号处理方法和装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060215540A1 (en) * | 2005-03-10 | 2006-09-28 | Raghuraman Krishnamoorthi | Efficient employment of digital upsampling using IFFT in OFDM systems for simpler analog filtering |
CN101202726A (zh) * | 2006-12-14 | 2008-06-18 | 中兴通讯股份有限公司 | 基于星座扩展和空余子载波降低ofdm中峰均比的方法 |
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2011
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US20060215540A1 (en) * | 2005-03-10 | 2006-09-28 | Raghuraman Krishnamoorthi | Efficient employment of digital upsampling using IFFT in OFDM systems for simpler analog filtering |
CN101202726A (zh) * | 2006-12-14 | 2008-06-18 | 中兴通讯股份有限公司 | 基于星座扩展和空余子载波降低ofdm中峰均比的方法 |
Non-Patent Citations (2)
Title |
---|
CHUSIT PRADABPET等: "A new PAPR reduction in OFDM systems using PTS combined with APPR for TWTA nonlinear HPA", 《SONGKLANAKARIN JOURNAL OF SCIENCE AND TECHNOLOGY》 * |
李志鹍: "OFDM***中的峰均比抑制技术研究与实现", 《重庆大学硕士学位论文》 * |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102769595A (zh) * | 2012-07-16 | 2012-11-07 | 清华大学 | 降低apsk星座图调制papr的方法 |
CN102769595B (zh) * | 2012-07-16 | 2015-05-20 | 清华大学 | 降低apsk星座图调制papr的方法 |
WO2014194697A1 (zh) * | 2013-06-08 | 2014-12-11 | 华为技术有限公司 | 无线通信***中ofdm信号峰值功率的抑制方法及发射机 |
CN104243379A (zh) * | 2013-06-08 | 2014-12-24 | 华为技术有限公司 | 无线通信***中ofdm信号峰值功率的抑制方法及发射机 |
CN104468455A (zh) * | 2014-12-29 | 2015-03-25 | 西安电子科技大学 | 联合星座扩展与预留子载波的lte***ofdm信号峰均比抑制方法 |
CN104468455B (zh) * | 2014-12-29 | 2018-02-09 | 西安电子科技大学 | 联合星座扩展与预留子载波的lte***ofdm信号峰均比抑制方法 |
CN105553909A (zh) * | 2015-12-08 | 2016-05-04 | 北京遥测技术研究所 | 一种迭代限幅滤波降低ofdm信号峰均比的方法 |
CN105553909B (zh) * | 2015-12-08 | 2019-05-24 | 北京遥测技术研究所 | 一种迭代限幅滤波降低ofdm信号峰均比的方法 |
CN109088843A (zh) * | 2018-10-22 | 2018-12-25 | 中国传媒大学 | 一种基于ofdm信号幅度最佳分布的峰均比抑制方法 |
CN109088843B (zh) * | 2018-10-22 | 2021-01-15 | 中国传媒大学 | 一种基于ofdm信号幅度最佳分布的峰均比抑制方法 |
CN110519201A (zh) * | 2019-09-30 | 2019-11-29 | 中国传媒大学 | 一种基于ofdm发射机***的信号峰均比抑制方法 |
CN112230212A (zh) * | 2020-09-28 | 2021-01-15 | 北京环境特性研究所 | 雷达测距信号处理方法和装置 |
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