Field-programmable-gates-array based pulse position modulation communication system design

被引：0

作者：

Lin, Mingjie ^{[1
,2
]}

Yang, Yan ^{[1
,2
]}

Zhu, Ren ^{[1
,2
]}

Hou, Xia ^{[1
,2
]}

机构：

[1] Chinese Academy of Sciences, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai

[2] University of Chinese Academy of Sciences, Beijing

来源：

Zhongguo Jiguang/Chinese Journal of Lasers | 2014年 / 41卷 / 09期

关键词：

Clock synchronization; Field programmable gate array; Laser communication; Optics communications; Pulse position modulation;

D O I：

10.3788/CJL201441.0905002

中图分类号：

学科分类号：

摘要：

A high speed optical communication system based on field-programmable-gates-array (FPGA) is designed, which can be used in ground to satellite communication. FPGA is used as central process, and pulse position modulation (PPM) is selected. A new frame structure is designed to solve frame synchronizing problem, and four separating phase clocks are used to synchronize PPM slots. FPGA's working clock is decreased and structure of the system is simplified in the new design, and Gray code is used to decrease bit error. The data rates can reach up to 20 Mbit/s, and bit-error-ratio (BER) is 8.9×10-9. The system provides experimental supports for follow-up image data transforming between ground and satellite.

引用

共 9 条

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