| 基于可见光色分双工的井下定位系统收发机 |
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| 引用本文： | 邓健志,程小辉.基于可见光色分双工的井下定位系统收发机[J].工矿自动化,2014(7):1-4. |
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| 作者姓名： | 邓健志 程小辉 |
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| 作者单位： | 桂林理工大学广西矿冶与环境科学试验中心; |
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| 基金项目： | 国家自然科学基金项目(61262075);广西高校重大项目(桂教科研201201ZD012) |
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| 摘 要： | 现有的井下无线定位系统收发机通信主要采用无线电波,由于井下巷道狭小、岩石成分复杂等因素,无线电波的通信距离、通信质量都会受到影响。针对以上问题,设计了基于可见光色分双工的井下定位系统收发机。该收发机采用LED的高速闪烁携带信息,并用光电二极管接收光信号,实现了无线可见光通信。收发机通信的上下行信道采用色分双工的方式,将2个方向上的信号分别调制在2个相互分离的不同颜色的可见光信道上,以实现数据的接收和发送。试验结果表明,该收发机功耗小,抗电磁干扰性能好,接收稳定,并兼有照明作用。
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| 关 键 词： | 井下定位 收发机 可见光通信 色分双工 |
Transceiver of underground location system based on visible light color division duplex |
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| Abstract: | Existing underground transceiver communication of wireless location system adopts radio wave,and its communication distance and quality are effected by small tunnels and rocks with complex composition.In view of the above problems,a transceiver of underground location system based on visible light color division duplex was designed.The transceiver adopts LED to transmit information and uses photodiode to receive light data,so as to realize wireless visible light communication.Color division duplex mode is used in uplink and downlink of the transceiver.The signals in two-direction are modulated in two visible light channels with different colors in order to send and receive data.The experiment results show that the transceiver has low power consumption,good anti-electromagnetic interference performance,stable reception and also can be used for lighting. |
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| Keywords: | underground location transceiver visible light communication color division duplex |
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