Research on Wireless Ultraviolet Guiding Fountain Code Technology of Helicopter Emergency Landing
Zhao Tai-fei Liu Xue Lou Jun-peng
(Faculty of Automation and Information Engineering, Xi’an University of Technology, Xi’an 710048, China)
(Key Lab of Optical Fiber Sensing & Communications (UESTC), Ministry of Education, Chengdu 610054, China)
In order to improve the efficiency and the reliability of the helicopter guiding in the beacon researching and locate landing, an encoding communication scheme based on unequal level coding Luby Transform (LT) code is proposed. Different communication strategies are proposed for different scenarios. The different guiding strategies considering the unequal level coding scheme are designed. The bit error rate of the unequal level coding LT code with different communication strategies is analyzed. The coding scheme and communication strategy are simulated by computer. The simulation results show that the bit error rate of the unequal level protection encoding scheme is significantly reduced and the coding performance is improved over binary erasure channel. The strategies can adapt to different channel environments, and the reliability of communication is improved. Thus, helicopter emergency landing safety is improved.
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