摘要
紫外光通信是一种极具潜力的近距离通信方式,分析了紫外光大气传输特性和系统信道模型,利用紫外光的散射特性来有实现抗干扰非视距近距离通信这一难题;以紫外LED和光电倍增管分别作为通信系统光源、光电探测器,采用脉冲编码调制和循环冗余编码方式,设计并研制了一套紫外无线光通信系统样机,实现了小角度的实时数据通信,通信速率为9.6 kbps,误码率1%以内,通信距离为5 m以内。
Ultraviolet wireless optical communication is a short-distance communication method with great potential. This paper analyzes ultraviolet air transmission features and system signal path model, uses ultraviolet scattering property to realize anti-intervention non-line-of-sight communication, chooses ultraviolet LED and electron-multiplier phototube as light source and optoelectronic detector of communication system respectively and applies pulse coding modulation and cyclic redundancy encoding method to design and make a set of ultraviolet wireless optical communication system prototype so that small angle real-time data communication is achieved, transmit rate is 9.6 kbps, deviation is 1 percent, communication distance is inside 5 meters.
出处
《重庆工商大学学报（自然科学版）》
2012年第7期73-77,共5页
Journal of Chongqing Technology and Business University:Natural Science Edition
基金
中央高校基本科研业务费资助(CDJXS11120009)
关键词
紫外无线光通信
非视距通信
紫外LED
光电倍增管
ultraviolet wireless optical communication
non-line-of-sight communication
ultraviolet LED
electron-multiplier phototube
