| 基于OFDM的高速导引线载波机的设计 |
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| 引用本文： | 张浩,郭经红.基于OFDM的高速导引线载波机的设计[J].电力系统通信,2007,28(8):17-19. |
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| 作者姓名： | 张浩 郭经红 |
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| 作者单位： | 国网南京自动化研究院,江苏,南京,210003 |
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| 摘 要： | 目前的载波机多数采用抑制边带的单载波通信方式,这样的通信方式使得载波机的通信速率大多数被限制在33.6 kb it/s以下。为了能够获得更高的通信速率,系统需要向宽带的方向发展。OFDM作为一种理想的多载波宽带通信技术,可以被应用于载波通信。文章介绍了一种基于OFDM调制方式的高速全数字载波机,其设计的通信媒质是导引线,但同样适用于其他电缆。
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| 关 键 词： | 导引线 载波 OFDM G.703 |
| 文章编号： | 1005-7641（2007）08-0017-03 |
| 修稿时间： | 2007-05-23 |
Design of high-speed pilot line carrier equipment based on OFDM |
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| ZHANG Hao,GUO Jing-hong.Design of high-speed pilot line carrier equipment based on OFDM[J].Telecommunications for Electric Power System,2007,28(8):17-19. |
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| Authors: | ZHANG Hao GUO Jing-hong |
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| Affiliation: | Nanjing Automation Research Institute of National State Grid of China, Nanjing 210003,China |
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| Abstract: | Nowadays,single-side band modulation method is used in most of power line carrier equipments.But the data rate is limited at 33.6 kbit/s and below.Wider band is needed in order to obtain higher data rate.As an excellent multi-carrier wide band communication technology,OFDM can be used in power line carrier communication.In this article,the author introduces a digital high-speed carrier equipment base on OFDM with the pilot line as the communication media. |
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| Keywords: | pilot line carrier OFDM G 703 |
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