Tactical communication network countermeasure method based on signal recognition and network reconnaissance

A technology of tactical communication and signal identification, applied in the field of tactical communication network confrontation based on signal identification and network reconnaissance, can solve the problems of high demand for interference power and difficulty in exerting its effect.

Inactive Publication Date: 2019-01-29
BEIJING HAIGE SHENZHOU COMM TECH
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  • Description
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Problems solved by technology

In addition, regardless of frequency division or time division, traditional jamming methods are difficult to be effective in the face of ad hoc self-organizing communication networks represe

Method used

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  • Tactical communication network countermeasure method based on signal recognition and network reconnaissance
  • Tactical communication network countermeasure method based on signal recognition and network reconnaissance
  • Tactical communication network countermeasure method based on signal recognition and network reconnaissance

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Experimental program
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Embodiment

[0055] 1. Comprehensive situational awareness method for tactical communication network

[0056] Step 1: Set up three mobile reconnaissance stations (station 1-station 3) according to the needs of the reconnaissance area. The distance between each reconnaissance station is not less than 20 kilometers, and each reconnaissance station can cover 400 kilometers. The reconnaissance station adopts Beidou / GPS timing. Multi-station synchronization;

[0057] Step 2, each reconnaissance station uses the known synchronization information of a certain UHF frequency hopping station to accurately estimate the arrival time of the synchronization information using the synchronization search algorithm, and the arrival time accuracy is less than 100ns;

[0058] Step 3, reconnaissance station 2 and station 3 transmit the synchronization information type, synchronization arrival time, and synchronization frequency to reconnaissance station 1;

[0059] Step 4, the reconnaissance station 1 uses th...

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Abstract

The invention provides a tactical communication network countermeasure method based on signal recognition and network reconnaissance. The method comprises the steps of tactical communication network comprehensive situation awareness, tactical communication target attribute recognition based on time-frequency-space characteristics, detection of the specific tactical communication target based on synchronization characteristics, time-division multi-target jamming based on network key information and tactical communication network countermeasure based on synchronization decoy. The core of the method is to recognize the target attributes, locate the network node, analyze the traffic type and perform statistics of the traffic volume by using the signal time-frequency spatial domain characteristic and network characteristic information so as to realize communication signal recognition and network comprehensive situation analysis under the complex battlefield electromagnetic environment. Time-sharing jamming is performed by using the sparsity of the network key information for different target networks to improve the multi-target jamming capacity, and synchronization decoy jamming is performed by using the vulnerability of the synchronization mechanism to effectively counter the ad hoc encrypted communication network characterized by multi-hop routing and forwarding and high-speed frequency hopping.

Description

technical field [0001] The present invention proposes a tactical communication network confrontation method based on signal recognition and network reconnaissance, which can be used for tactical communication network target positioning and traffic estimation, identification of enemy and friend attributes of tactical communication targets, improvement of detection sensitivity of tactical wireless communication signals and reduction of False detection and missed detection probability, improving the multi-target jamming capability of the communication countermeasure system, and jamming the tactical communication network belong to the field of communication reconnaissance and communication countermeasures. Signal detection in countermeasures, interference decision-making and interference guidance in communication countermeasures, and countermeasures against tactical communication networks. Background technique [0002] With the increase in the number of frequency equipment used ...

Claims

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Application Information

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IPC IPC(8): H04W24/02H04W56/00H04W64/00H04W28/02
CPCH04W24/02H04W28/0215H04W56/001H04W56/006H04W64/003
Inventor 吴克平高嵩
Owner BEIJING HAIGE SHENZHOU COMM TECH
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