一种无人机数据链信道选择和功率控制方法

doi:10.13700/j.bh.1001-5965.2016.0166

北京航空航天大学学报 ›› 2017, Vol. 43 ›› Issue (3): 583-591.doi: 10.13700/j.bh.1001-5965.2016.0166

一种无人机数据链信道选择和功率控制方法

张文秋¹, 丁文锐², 刘春辉^2,3

1. 北京航空航天大学电子信息工程学院, 北京 100083；;
2. 北京航空航天大学无人驾驶飞行器设计研究所, 北京 10008;
3. 北京航空航天大学计算机学院, 北京 100083

收稿日期:2016-03-07 出版日期:2017-03-20 发布日期:2016-08-01
通讯作者: 丁文锐,E-mail:ding@buaa.edu.cn E-mail:ding@buaa.edu.cn
作者简介:张文秋,女,硕士研究生。主要研究方向:信号与信息处理。;丁文锐,女,博士,研究员,博士生导师。主要研究方向:图像处理和自适应信号处理。;刘春辉,男,博士,工程师。主要研究方向:自适应信号处理。
基金资助:
国家“863”计划（2013AA122101）

A channel selection and power control method of UAV data link

ZHANG Wenqiu¹, DING Wenrui², LIU Chunhui^2,3

1. School of Electronic and Information Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China；;
2. Research Institute of Unmanned Aerial Vehicle, Beijing University of Aeronautics and Astronautics, Beijing 10008;
3. School of Computer Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

Received:2016-03-07 Online:2017-03-20 Published:2016-08-01

摘要/Abstract

摘要： 无人机（UAV）数据链在复杂电磁和地理自然环境中可靠性受到严重威胁，针对如何通过选择信道和调整信号发送功率保证UAV通信质量的问题，提出了一种结合相关向量回归（RVR）的信道选择和功率控制方法。方法采用RVR建立干扰信息、误码率（BER）与信噪比（SNR）的映射模型，通过该模型可根据实时干扰参数，预测信道满足UAV数据链BER要求的最小化SNR，进而可计算最小化的发送功率，把最小化功率作为标准判断信道质量好坏，选择信道的同时确定发送功率，简化过程，以最小化信道发送功率达到抗干扰的目的。仿真实验证明，该方法能够有效选择可用信道并调整发送功率，抑制干扰，时间和能量开销低，具有较强实用性。

关键词: 无人机(UAV)数据链, 信道选择, 功率控制, 信道质量, 相关向量回归(RVR)

Abstract: In complex electromagnetic and natural environment, the reliability of unmanned aerial vehicle (UAV) data link is under serious threat. To solve the problem of channel selection and power control to ensure UAV communication quality, a new channel selection and power control method in combination with relevance vector regression (RVR) is proposed. This method builds mapping model among interference information, bit error rate (BER) and signal noise ratio (SNR) based on RVR. Through the model and real-time interference information, the minimum channel SNR meeting the BER requirements of UAV data link can be predicted, and then minimum transmitted power can be calculated. Channel quality is judged based on the minimum channel transmitted power. The method selects channel while determining transmitted power, and makes the process simpler, using the minimum channel power to realize anti-jamming. Simulation experiment shows that this method can select available channel and adjust power effectively, and restrain interference. The proposed method has low time and energy cost, and is practical.

Key words: unmanned aerial vehicle (UAV) data link, channel selection, power control, channel quality, relevance vector regression (RVR)

中图分类号:

TN973

张文秋, 丁文锐, 刘春辉. 一种无人机数据链信道选择和功率控制方法[J]. 北京航空航天大学学报, 2017, 43(3): 583-591.

ZHANG Wenqiu, DING Wenrui, LIU Chunhui. A channel selection and power control method of UAV data link[J]. JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2017, 43(3): 583-591.

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一种无人机数据链信道选择和功率控制方法

A channel selection and power control method of UAV data link

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