直升机起降中无线紫外光喷泉码引导方法研究

doi:10.11999/JEIT150004

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Abstract

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.

Key words： Ultraviolet communication Fountain code Helicopter landing guiding Guiding method

Received: 05 January 2015 Published: 18 June 2015

PACS:

TN929.12

Corresponding Authors: Zhao Tai-fei E-mail: year623@163.com

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http://jeit.ie.ac.cn/EN/10.11999/JEIT150004 OR http://jeit.ie.ac.cn/EN/Y2015/V37/I10/2452

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