基于多天線的GNSS壓制式干擾與欺騙式干擾聯(lián)合抑制方法

王璐; 吳仁彪; 王文益; 盧丹; 賈瓊瓊

doi:10.11999/JEIT151295

基于多天線的GNSS壓制式干擾與欺騙式干擾聯(lián)合抑制方法

doi: 10.11999/JEIT151295 cstr: 32379.14.JEIT151295

基金項(xiàng)目:

國家自然科學(xué)基金 (61471363, U1333106)，中央高?；究蒲袠I(yè)務(wù)費(fèi)項(xiàng)目(3122016D004)

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- 被引次數(shù): 0
出版歷程
- 收稿日期: 2015-11-23
- 修回日期: 2016-05-05
- 刊出日期: 2016-09-19

Joint GNSS Interference Mitigation Approach for Jamming and Spoofing Based on Multi-antenna Array

Funds:

The National Natural Science Foundation of China (61471363, U1333106), The Fundamental Research Funds for the Central Universites (3122016D004)

摘要

摘要: 壓制式干擾和欺騙式干擾是全球?qū)Ш叫l(wèi)星系統(tǒng)(Global Navigation Satellite System, GNSS)面臨的最常見且最有威脅的蓄意干擾。該文提出了一種基于多天線的GNSS壓制式干擾與欺騙式干擾聯(lián)合抑制方法。首先利用子空間技術(shù)抑制壓制式干擾，然后利用解擴(kuò)重?cái)U(kuò)算法獲得的加權(quán)矢量進(jìn)行欺騙式干擾識別和抑制，最后對無干擾信號再次使用解擴(kuò)重?cái)U(kuò)技術(shù)形成指向真實(shí)衛(wèi)星的高增益多波束。仿真結(jié)果證明所提方法可以同時(shí)抑制壓制式干擾和欺騙式干擾。該方法不需要衛(wèi)星來向信息，對陣列流形誤差穩(wěn)健。
- 全球?qū)Ш叫l(wèi)星系統(tǒng) /
- 壓制式干擾 /
- 欺騙式干擾 /
- 子空間 /
- 解擴(kuò)重?cái)U(kuò)
Abstract: Jamming and spoofing are the most common and serious threat intentional interferences for Global Navigation Satellite?System (GNSS). A joint GNSS interference mitigation approach is proposed for jamming and spoofing issue based on multi-antenna array in this paper.?Firstly, jamming is suppressed by the subspace technology. Then, spoofing is detected and mitigated by using the weighting vectors obtained by the despread- respread method.?Finally, for maximizing the output of each authentic signal, the despread-respread method is reutilized to form multiple beams pointing at each of the authentic satellites.? Simulation results show that the proposed algorithm can null jamming and spoofing simultaneously. The interference suppression performance of this method is not sensitive to the array manifold?errors and not limited by the prior knowledge of satellites directions.
- Global Navigation Satellite System (GNSS) /
- Jamming /
- Spoofing /
- Subspace /
- Despread-respread

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