不同循环频率同信道运动源的直接跟踪

IF 4.4 3区计算机科学 Q2 TELECOMMUNICATIONS

IEEE Communications Letters Pub Date : 2020-04-24 DOI:10.1109/LCOMM.2020.2990210

Nan Xia;Bo Li;Jue Wang

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引用次数: 2

摘要

移动源跟踪是无线电监测领域的一个重要课题。本文提出了一种基于粒子滤波的直接位置确定方法，用于跟踪多个同信道移动发射机。具有不同符号率的同信道信号在时域和频域中重叠，但可以在循环频域中区分。我们直接从不同的循环交叉频谱切片中确定移动目标的位置，而无需时差（TDOA）测量。采用粒子滤波技术来提高运动状态估计的准确性。仿真结果表明，在存在同信道干扰的情况下，该算法优于其他移动跟踪算法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Direct Tracking of Co-Channel Moving Sources With Different Cyclic Frequencies

Mobile source tracking is an important topic in the field of radio monitoring. A direct position determination method based on particle filtering is proposed in this letter for tracking multiple co-channel mobile transmitters. The co-channel signals, which have different symbol rates, overlap in both the time and frequency domains but can be distinguished in the cyclic frequency domain. We determine the positions of mobile targets directly from different cyclic cross-spectrum slices without time difference of arrival (TDOA) measurements. The particle filtering technique is employed to improve the accuracy in estimating motion states. Simulation results are given to demonstrate that the proposed algorithm outperforms other mobile tracking algorithms in the presence of co-channel interference.

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来源期刊

IEEE Communications Letters 工程技术-电信学

CiteScore

8.10

自引率

7.30%

发文量

590

审稿时长

2.8 months

期刊介绍： The IEEE Communications Letters publishes short papers in a rapid publication cycle on advances in the state-of-the-art of communication over different media and channels including wire, underground, waveguide, optical fiber, and storage channels. Both theoretical contributions (including new techniques, concepts, and analyses) and practical contributions (including system experiments and prototypes, and new applications) are encouraged. This journal focuses on the physical layer and the link layer of communication systems.