A high-performance antenna array signal processing method in deep space communication

IF 0.4 4区计算机科学 Q4 COMPUTER SCIENCE, HARDWARE & ARCHITECTURE

Ieice Transactions on Fundamentals of Electronics Communications and Computer Sciences Pub Date : 2023-01-01 DOI:10.1587/transfun.2023eal2066

Yi WEN JIAO, Ze FU GAO, Wen GE YANG

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引用次数: 0

Abstract

In future deep space communication missions, VLBI(Very Long Baseline Interferometry) based on antenna array technology remains a critical detection method, which urgently requires the improvement of synthesis performance for antenna array signals. Considering this, focusing on optimizing the traditional antenna grouping method applied in the phase estimation algorithm, this letter proposes a "L/2 to L/2" antenna grouping method based on the maximum correlation signal-to-noise ratio(SNR). Following this idea, a phase difference estimation algorithm named “Couple” is presented. Theoretical analysis and simulation verification illustrate that: when ρ < -10dB, the proposed "Couple" has the highest performance; increasing the number of antennas can significantly improve its synthetic loss performance and robustness. The research of this letter indicates a promising potential in supporting the rising deep space exploration and communication missions.

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一种深空通信中高性能天线阵列信号处理方法

在未来的深空通信任务中，基于天线阵技术的甚长基线干涉仍然是一种关键的探测手段，迫切需要提高天线阵信号的综合性能。考虑到这一点，本文针对相位估计算法中应用的传统天线分组方法进行了优化，提出了基于最大相关信噪比的“L/2 to L/2”天线分组方法。在此基础上，提出了一种名为“Couple”的相位差估计算法。理论分析和仿真验证表明:当ρ < -10dB时，所提出的“耦合”具有最高性能;增加天线数量可以显著提高其综合损耗性能和鲁棒性。这封信的研究表明，在支持不断上升的深空探索和通信任务方面具有很大的潜力。

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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来源期刊

Ieice Transactions on Fundamentals of Electronics Communications and Computer Sciences 工程技术-工程：电子与电气

CiteScore

1.10

自引率

20.00%

发文量

137

审稿时长

3.9 months

期刊介绍： Includes reports on research, developments, and examinations performed by the Society''s members for the specific fields shown in the category list such as detailed below, the contents of which may advance the development of science and industry: (1) Reports on new theories, experiments with new contents, or extensions of and supplements to conventional theories and experiments. (2) Reports on development of measurement technology and various applied technologies. (3) Reports on the planning, design, manufacture, testing, or operation of facilities, machinery, parts, materials, etc. (4) Presentation of new methods, suggestion of new angles, ideas, systematization, software, or any new facts regarding the above.