基于辅助源和相关熵的ADS-B信息时延估计新算法

doi:10.11959/j.issn.1000-436x.2015102

通信学报 ›› 2015, Vol. 36 ›› Issue (7): 102-108.doi: 10.11959/j.issn.1000-436x.2015102

基于辅助源和相关熵的ADS-B信息时延估计新算法

栾声扬¹,邱天爽¹,宋爱民¹,李景春²,谭海峰³

¹ 大连理工大学电子信息与电气工程学部，辽宁大连 116024
² 国家无线电监测中心，北京 100037
³ 北京邮电大学信息与通信工程学院，北京 100876

出版日期:2015-07-25 发布日期:2015-07-25
基金资助:
国家自然科学基金资助项目;国家自然科学基金资助项目;国家自然科学基金资助项目

Novel time delay estimation algorithm for ADS-B based on an auxiliary source and correntropy

Sheng-yang LUAN¹,Tian-shuang QIU¹,Ai-min SONG¹,Jing-chun LI²,Hai-feng TAN³

¹ Faculty of Electronic Information and Electrical Engineering,Dalian University of Technology,Dalian 116024,China
² State Radio Monitoring Center,Beijing 100037,China
³ School of Information and Communication Engineering,Beijing University of Posts and Telecommunications,Beijing 100876,China

Online:2015-07-25 Published:2015-07-25
Supported by:
The National Natural Science Foundation of China;The National Natural Science Foundation of China;The National Natural Science Foundation of China

摘要/Abstract

摘要：

提出了一种基于辅助源和相关熵的 ADS-B 信息时延估计新算法。首先，对报文信息时延产生机制进行了研究，提出新的时延模型；其次，以辅助源信号所包含的多普勒频移特征为研究对象，在信号相似性比较时引入相关熵提出时延估计算法；然后，分别研究了扫描步长与高斯核长对本时延估计精度的影响；最后，通过仿真实验验证了在不同噪声条件下本算法的时延估计性能。与已有方法相比，本算法不需要更改报文格式，在脉冲噪声条件下具有更高的时延估计精度，故具有更好的实际应用价值。

Abstract:

A novel time delay estimation algorithm was proposed to correct ADS-B latency employing an auxiliary signal source and correntropy.Firstly,the cause of message delay was analyzed and a new latency model was raised.Secondly,when comparing the signal similarity,the correntropy was introduced to estimate the delay using Doppler shift from signals of the auxiliary source as the research object.Thirdly,the influnce of step length and Gaussian kernel length on evaluating the time delay was researched.Finally,simulations were carried out to verify the performance of the proposed algorithm in the impulsive noise environment.The new algorithm needs no change in message format and it is more practical and accurate compared with existing methods.

Key words: time delay estimation, automatic dependent surveillance-broadcast, Doppler shift, correntropy

栾声扬,邱天爽,宋爱民,李景春,谭海峰. 基于辅助源和相关熵的ADS-B信息时延估计新算法[J]. 通信学报, 2015, 36(7): 102-108.

Sheng-yang LUAN,Tian-shuang QIU,Ai-min SONG,Jing-chun LI,Hai-feng TAN. Novel time delay estimation algorithm for ADS-B based on an auxiliary source and correntropy[J]. Journal on Communications, 2015, 36(7): 102-108.

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参考文献 16

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实验次数	扫描步长/s	均方根误差/ms
实验次数	扫描步长/s	σ =0.1	σ=0.01
1 000	0.01	2.839	2.897
1 000	0.02	5.884	6.345
1 000	0.03	9.638	281.202
1 000	0.04	11.760	559.703
1 000	0.05	14.870	629.963
1 000	0.06	18.662	673.039
1 000	0.07	23.032	674.692
1 000	0.08	26.475	679.947
1 000	0.09	29.559	699.983
1 000	0.1	30.815	710.447

基于辅助源和相关熵的ADS-B信息时延估计新算法

Novel time delay estimation algorithm for ADS-B based on an auxiliary source and correntropy

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