Radar and Jammer Intelligent Game under Jamming Power Dynamic Allocation

In modern electronic warfare, the intelligence of the jammer greatly worsens the anti-jamming performance of traditional passive suppression methods. How to actively design anti-jamming strategies to deal with intelligent jammers is crucial to the radar system. In the existing research on radar anti...

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Main Authors: Jie Geng, Bo Jiu, Kang Li, Yu Zhao, Hongwei Liu, Hailin Li
Format: Article
Language:English
Published: MDPI AG 2023-01-01
Series:Remote Sensing
Subjects:
Online Access:https://www.mdpi.com/2072-4292/15/3/581
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author Jie Geng
Bo Jiu
Kang Li
Yu Zhao
Hongwei Liu
Hailin Li
author_facet Jie Geng
Bo Jiu
Kang Li
Yu Zhao
Hongwei Liu
Hailin Li
author_sort Jie Geng
collection DOAJ
description In modern electronic warfare, the intelligence of the jammer greatly worsens the anti-jamming performance of traditional passive suppression methods. How to actively design anti-jamming strategies to deal with intelligent jammers is crucial to the radar system. In the existing research on radar anti-jamming strategies’ design, the assumption of jammers is too ideal. To establish a model that is closer to real electronic warfare, this paper explores the intelligent game between a subpulse-level frequency-agile (FA) radar and a transmit/receive time-sharing jammer under jamming power dynamic allocation. Firstly, the discrete allocation model of jamming power is established, and the multiple-round sequential interaction between the radar and the jammer is described based on an extensive-form game. A detection probability calculation method based on the signal-to-interference-pulse-noise ratio (SINR) accumulation gain criterion (SAGC) is proposed to evaluate the game results. Secondly, considering that the competition between the radar and the jammer has the feature of imperfect information, we utilized neural fictitious self-play (NFSP), an end-to-end deep reinforcement learning (DRL) algorithm, to find the Nash equilibrium (NE) of the game. Finally, the simulation results showed that the game between the radar and the jammer can converge to an approximate NE under the established model. The approximate NE strategies are better than the elementary strategies from the perspective of detection probability. In addition, comparing NFSP and the deep Q-network (DQN) illustrates the effectiveness of NFSP in solving the NE of imperfect information games.
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spelling doaj.art-d8fe9109fd6a40dc807e8c9442c5b7fe2023-11-16T17:51:15ZengMDPI AGRemote Sensing2072-42922023-01-0115358110.3390/rs15030581Radar and Jammer Intelligent Game under Jamming Power Dynamic AllocationJie Geng0Bo Jiu1Kang Li2Yu Zhao3Hongwei Liu4Hailin Li5National Laboratory of Radar Signal Processing, Xidian University, Xi’an 710071, ChinaNational Laboratory of Radar Signal Processing, Xidian University, Xi’an 710071, ChinaNational Laboratory of Radar Signal Processing, Xidian University, Xi’an 710071, ChinaNational Laboratory of Radar Signal Processing, Xidian University, Xi’an 710071, ChinaNational Laboratory of Radar Signal Processing, Xidian University, Xi’an 710071, ChinaBeijing Institute of Tracking and Telecommunication Technology, Beijing 100094, ChinaIn modern electronic warfare, the intelligence of the jammer greatly worsens the anti-jamming performance of traditional passive suppression methods. How to actively design anti-jamming strategies to deal with intelligent jammers is crucial to the radar system. In the existing research on radar anti-jamming strategies’ design, the assumption of jammers is too ideal. To establish a model that is closer to real electronic warfare, this paper explores the intelligent game between a subpulse-level frequency-agile (FA) radar and a transmit/receive time-sharing jammer under jamming power dynamic allocation. Firstly, the discrete allocation model of jamming power is established, and the multiple-round sequential interaction between the radar and the jammer is described based on an extensive-form game. A detection probability calculation method based on the signal-to-interference-pulse-noise ratio (SINR) accumulation gain criterion (SAGC) is proposed to evaluate the game results. Secondly, considering that the competition between the radar and the jammer has the feature of imperfect information, we utilized neural fictitious self-play (NFSP), an end-to-end deep reinforcement learning (DRL) algorithm, to find the Nash equilibrium (NE) of the game. Finally, the simulation results showed that the game between the radar and the jammer can converge to an approximate NE under the established model. The approximate NE strategies are better than the elementary strategies from the perspective of detection probability. In addition, comparing NFSP and the deep Q-network (DQN) illustrates the effectiveness of NFSP in solving the NE of imperfect information games.https://www.mdpi.com/2072-4292/15/3/581electronic warfareintelligent gamejamming power dynamic allocationneural fictitious self-playdeep reinforcement learningNash equilibrium
spellingShingle Jie Geng
Bo Jiu
Kang Li
Yu Zhao
Hongwei Liu
Hailin Li
Radar and Jammer Intelligent Game under Jamming Power Dynamic Allocation
Remote Sensing
electronic warfare
intelligent game
jamming power dynamic allocation
neural fictitious self-play
deep reinforcement learning
Nash equilibrium
title Radar and Jammer Intelligent Game under Jamming Power Dynamic Allocation
title_full Radar and Jammer Intelligent Game under Jamming Power Dynamic Allocation
title_fullStr Radar and Jammer Intelligent Game under Jamming Power Dynamic Allocation
title_full_unstemmed Radar and Jammer Intelligent Game under Jamming Power Dynamic Allocation
title_short Radar and Jammer Intelligent Game under Jamming Power Dynamic Allocation
title_sort radar and jammer intelligent game under jamming power dynamic allocation
topic electronic warfare
intelligent game
jamming power dynamic allocation
neural fictitious self-play
deep reinforcement learning
Nash equilibrium
url https://www.mdpi.com/2072-4292/15/3/581
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AT bojiu radarandjammerintelligentgameunderjammingpowerdynamicallocation
AT kangli radarandjammerintelligentgameunderjammingpowerdynamicallocation
AT yuzhao radarandjammerintelligentgameunderjammingpowerdynamicallocation
AT hongweiliu radarandjammerintelligentgameunderjammingpowerdynamicallocation
AT hailinli radarandjammerintelligentgameunderjammingpowerdynamicallocation