脉冲状态间隔调制方法及恶劣环境下通信实验

doi:10.3969/j.issn.1000-436x.2014.03.026

Journal on Communications ›› 2014, Vol. 35 ›› Issue (3): 224-230.doi: 10.3969/j.issn.1000-436x.2014.03.026

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Pulse state-interval modulation and experiment in the hostile environments

Yi-ning MU^1,⁴,He WANG²,Ping LI³,Hui-lin JIANG¹

¹ Institute of Space Optical Electronic Technology,Changchun University of Science and Technology,Changchun 130022,China
² School of Electronic ＆ Information Engineering,Jilin Communications Polytechnic,Changchun 130012,China
³ School of Computer Science ＆ Technology,Changchun University of Science and Technology,Changchun 130022,China
⁴ Faculty of Science,Changchun University of Science and Technology,Changchun 130022,China

Online:2014-03-25 Published:2017-08-17
Supported by:
The Science and Technology Development Plan of Jilin Province

Abstract

Abstract:

Based on the Shannon classical communication theory,the atmospheric modulation model of wireless laser communication was investigated for enhancing wireless laser communication adaptability of the atmospheric channel.Firstly,the conversion relations of SER and BER was discussed,from error theory perspectives analysis atmospheric optical wireless communications.Afterwards,by analyzing Shannon limit communication rate of wireless laser communication in atmospheric channel,the importance of atmospheric channel bandwidth gradually came out.On the basis of this,an efficiency pulse state-interval coded modulation was present and its characteristics were estimated.Finally,the feasibility of the PSIM and the importance of atmospheric channel bandwidth to wireless laser communication were proved by wireless laser communication experiment in the hostile environments,At the end,a prospect was pointed out that atmospheric channel properties feedback technique in real time might be a key and precondition in all-weather wireless optical communication.

Key words: wireless laser communication, channel bandwidth, modulation and coding, all-weather

Yi-ning MU,He WANG,Ping LI,Hui-lin JIANG. Pulse state-interval modulation and experiment in the hostile environments[J]. Journal on Communications, 2014, 35(3): 224-230.

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References 12

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