Wireless attack detection method for vehicle-ground wireless network of cbtc system

A wireless network and attack detection technology, which is applied in wireless communication, transportation center control system, railway car body parts, etc., to reduce the loss of economic benefits, ensure travel safety, and improve information security protection capabilities

Inactive Publication Date: 2020-11-24
BEIJING JIAOTONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The present invention provides a wireless attack detection method for the vehicle-ground wireless network of the CBTC system to solve the defects in the prior art

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  • Wireless attack detection method for vehicle-ground wireless network of cbtc system
  • Wireless attack detection method for vehicle-ground wireless network of cbtc system
  • Wireless attack detection method for vehicle-ground wireless network of cbtc system

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[0032] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0033] Those skilled in the art will understand that unless otherwise stated, the singular forms "a", "an", "said" and "the" used herein may also include plural forms. It should be further understood that the word "comprising" used in the description of the present invention refers to the presence of said features, integers, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, Integers, steps, operations, elements, components, and / or groups thereof. It will be understoo...

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Abstract

The present invention provides a wireless attack detection method for the vehicle-ground wireless network of the CBTC system, comprising: collecting vehicle-ground wireless network attack detection data sets, and deploying an air interface monitor AM in the vehicle-ground wireless network for collecting wireless frames; Extract the received signal strength value RSS from the wireless frame as the physical layer detection feature; extract the field information from the wireless frame, construct the MAC layer detection feature of the medium access control, and use it as a MAC layer detection sample; construct the RSS detection sequence, and judge the vehicle-ground wireless network from the physical layer. Whether the network is under wireless attack; train the detection model, input the MAC layer detection samples into the detection model, and judge whether the vehicle-ground wireless network is under wireless attack from the MAC layer; comprehensively determine whether the current vehicle-ground wireless network is under wireless attack. The method can timely and accurately detect wireless attack behaviors aimed at the vehicle-to-ground wireless network without affecting the normal functions of the CBTC system.

Description

technical field [0001] The invention relates to the field of information security of an urban rail transit train operation control system, in particular to a wireless attack detection method for a train-ground wireless network of a CBTC system. Background technique [0002] Communication based train control (CBTC) is an urban rail transit train operation control system integrating control, network, communication and computer technologies. Compared with the traditional train control system, the CBTC system has the characteristics of systematization, networking, informatization and intelligence. The CBTC system uses technologies and equipment such as precise train positioning, two-way continuous large-capacity train-ground communication, and safety function processors on the vehicle and ground to realize continuous automatic control of trains. [0003] Ensuring the normal operation of the train-ground wireless network in the CBTC system is an important prerequisite for the CB...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B61L27/00H04W12/12H04W12/121
CPCH04W12/121B61L2027/204B61L27/20B61L27/40
Inventor 刘黎步兵
Owner BEIJING JIAOTONG UNIV
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