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

Sheng-yang LUAN; Tian-shuang QIU; Ai-min SONG; Jing-chun LI; Hai-feng TAN

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

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

Academic paper | 更新时间：2024-06-05

- Novel time delay estimation algorithm for ADS-B based on an auxiliary source and correntropy
- Journal on Communications Vol. 36, Issue 7, Pages: 102-108(2015)
- 作者机构：
  
  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
- 作者简介：
- 基金信息：
  
  The National Natural Science Foundation of China(61139001);The National Natural Science Foundation of China(61172108);The National Natural Science Foundation of China(81241059)
- DOI：10.11959/j.issn.1000-436x.2015102
  CLC： TN911.72
- Online First：2015-07，
  
  Published：25 July 2015
- 稿件说明：
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Sheng-yang LUAN, Tian-shuang QIU, Ai-min SONG, et al. Novel time delay estimation algorithm for ADS-B based on an auxiliary source and correntropy[J]. Journal on Communications, 2015, 36(7): 102-108.
DOI：

Sheng-yang LUAN, Tian-shuang QIU, Ai-min SONG, et al. Novel time delay estimation algorithm for ADS-B based on an auxiliary source and correntropy[J]. Journal on Communications, 2015, 36(7): 102-108. DOI： 10.11959/j.issn.1000-436x.2015102.

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.

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references

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