基于多通道最小均方算法的多發(fā)單收同車電臺(tái)射頻干擾對(duì)消

孫慧賢; 劉建成; 崔佩璋; 全厚德; 唐友喜

doi:10.11999/JEIT180356

基于多通道最小均方算法的多發(fā)單收同車電臺(tái)射頻干擾對(duì)消

doi: 10.11999/JEIT180356

孫慧賢^{1, 2},
劉建成^{3, 4, ,},
崔佩璋²,
全厚德²,
唐友喜¹

1.
電子科技大學(xué)通信抗干擾國家級(jí)重點(diǎn)實(shí)驗(yàn)室 ??成都 ??611731
2.
解放軍陸軍工程大學(xué) ??石家莊 ??050003
3.
解放軍31634部隊(duì) ??昆明 ??650217
4.
中國電子科技集團(tuán)公司第五十四研究所 ??石家莊 ??050081

基金項(xiàng)目: 國家自然科學(xué)基金(61531009, 61471108)，國家重大專項(xiàng)基金(2016ZX03001009)

詳細(xì)信息

作者簡(jiǎn)介:
孫慧賢：男，1980年生，博士，講師，研究方向?yàn)閼?zhàn)術(shù)無線通信技術(shù)、指揮控制系統(tǒng)工程

劉建成：男，1987年生，博士，研究方向?yàn)闊o線通信干擾抑制和通信信號(hào)自適應(yīng)處理

崔佩璋：男，1974年生，副教授，研究方向?yàn)橹笓]控制系統(tǒng)抗干擾技術(shù)

全厚德：男，1963年生，教授，博士生導(dǎo)師，研究方向?yàn)闊o線通信技術(shù)、指揮控制系統(tǒng)工程

唐友喜：男，1964年生，教授，博士生導(dǎo)師，研究方向?yàn)闊o線通信中的信號(hào)處理

通訊作者:
劉建成　liujiancheng1987@126.com

中圖分類號(hào): TN92; TN972
計(jì)量
- 文章訪問數(shù): 1857
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- 被引次數(shù): 0
出版歷程
- 收稿日期: 2018-04-18
- 修回日期: 2018-11-26
- 網(wǎng)絡(luò)出版日期: 2018-12-03
- 刊出日期: 2019-03-01

RF Interference Cancellation Based on Multi-channel Least Mean Square for Multi-transmits and Single-receive Co-vehicle Radios

1.
National Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu 611731, China
2.
PLA Army Engineering University, Shijiazhuang 050003, China
3.
31634 PLA Troops, Kunming 650217, China
4.
The 54th Research Institute of CETC, Shijiazhuang 050081, China

Funds: The National Natural Science Foundation of China (61531009, 61471108), The National Major Projects of China (2016ZX03001009)

摘要

摘要:
戰(zhàn)術(shù)指揮車內(nèi)多部電臺(tái)同時(shí)工作，發(fā)射電臺(tái)將對(duì)接收電臺(tái)產(chǎn)生嚴(yán)重的互擾。針對(duì)上述問題，該文提出基于多通道最小均方算法(MCLMS)的多發(fā)單收同車電臺(tái)射頻干擾對(duì)消方法。首先，分析同車電臺(tái)N 發(fā)M 收情況可分離為M個(gè)N發(fā)單收?qǐng)鼍暗寞B加，進(jìn)而建立多發(fā)單收射頻干擾對(duì)消模型。在此基礎(chǔ)上，提出基于MCLMS算法的射頻干擾對(duì)消方法，并理論分析該對(duì)消方法的性能，推導(dǎo)得出互擾對(duì)消比(MICR)與發(fā)射電臺(tái)數(shù)目N、收斂因子
\begin{document}$\mu $\end{document}
之間的閉合數(shù)學(xué)表達(dá)式。最后，通過仿真驗(yàn)證了理論結(jié)果的正確性，表明該方法能夠有效抑制同車發(fā)射電臺(tái)對(duì)接收電臺(tái)的互擾影響，增強(qiáng)指揮車電磁兼容性。
- 電臺(tái)互擾 /
- 射頻干擾對(duì)消 /
- 多通道最小均方算法 /
- 互擾對(duì)消比
Abstract:
The transmit radios would severely interfere the receive radios, only if they are simultaneously operating in the same tactical command vehicle. Considering this problem, the RF interference cancellation method for multi-transmits and single-receive co-vehicle radios, based on Multi-Channel Least Mean Square (MCLMS) algorithm, is proposed. Firstly, the analysis indicates that the situation of N-transmits and M-receives co-vehicle radios is the equivalent of M case of N-transmits and single-receive, by which the RF interference cancellation model of multi-transmits and single-receive is constructed. Secondly, the RF interference cancellation method based on MCLMS algorithm is presented, and the performance of this method is analyzed to obtain the mathematical relation expression between Mutual-Interference Cancellation Ratio (MICR) and transmit radio number N, convergence factor
\begin{document}$\mu $\end{document}
. Finally, the simulations demonstrate the validity of the theory result, and indicate that the mutual-interference between transmit radios and receive radios is efficiently suppressed to enhance the electromagnetic compatibility of communication command vehicle.
- Radio mutual-interference /
- RF interference cancellation /
- Multi-Channel Least Mean Square (MCLMS) algorithm /
- Mutual-Interference Cancellation Ratio (MICR)

HTML全文

圖 1 單發(fā)單收射頻干擾對(duì)消基本原理圖

下載: 全尺寸圖片幻燈片

圖 2 多發(fā)單收射頻干擾對(duì)消模型

下載: 全尺寸圖片幻燈片

圖 3 多發(fā)單收互擾時(shí)接收天線輸出信號(hào)功率譜

下載: 全尺寸圖片幻燈片

圖 4 同車發(fā)送電臺(tái)數(shù)目N 對(duì)應(yīng)的MICR收斂曲線

下載: 全尺寸圖片幻燈片

圖 5 N=2時(shí)不同收斂因子對(duì)應(yīng)的MICR收斂曲線

下載: 全尺寸圖片幻燈片

表 1 多發(fā)單收射頻干擾對(duì)消仿真參數(shù)設(shè)置

發(fā)送電臺(tái)數(shù)目N	2	3	4
工作頻率f (MHz)	65.250, 65.375	65.200, 65.325, 65.425	65.250, 65.300, 65.375, 65.450
互擾信道衰減(dB)	20.500, 21.200	20.100, 20.200, 21.900	20.500, 20.800, 21.200, 22.100

下載: 導(dǎo)出CSV

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