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Low-overhead hybrid wireless Mesh network intrusion detection method

A network intrusion detection and low-overhead technology, which is applied in the field of hybrid wireless Mesh network intrusion detection, can solve problems such as high overhead, and achieve the effect of reducing the number of measurements and detection overhead

Active Publication Date: 2018-07-06
JILIN UNIV
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  • Summary
  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Most of the existing studies on hybrid WMN intrusion detection systems only consider conventional performance indicators, such as detection rate, false detection rate, and missed detection rate. It can no longer meet user requirements. For hybrid WMNs with limited energy and resources, an overly complex detection method may cause high overhead. Therefore, it is of great significance to design a low-cost intrusion detection method.

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  • Low-overhead hybrid wireless Mesh network intrusion detection method
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  • Low-overhead hybrid wireless Mesh network intrusion detection method

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Embodiment Construction

[0031] Take a random Mesh client in a mixed WMN as an example, such as figure 1 As shown, the specific steps of the hybrid WMN low-overhead intrusion detection method of the present invention are as follows:

[0032] Step 1) The Mesh client collects its own packet receiving information, samples and calculates the active state metric value ASM (Active State Metric) with the set compression rate κ, 60%≤κ≤80%,; the active state metric ASM measures the node physical Layer active status, its value is an important basis for judging whether there is an attack. Under uncompressed sampling conditions, its value is measured every second and is calculated as follows:

[0033]

[0034] In the formula: E ps Indicates the energy consumption of each Mesh client per second; E ps Indicates the average energy consumption of all Mesh clients per second; N R and N T Indicates the number of successful and unsuccessful transitions from the physical layer state to receive or transmit state, ...

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Abstract

The invention relates to a low-overhead hybrid wireless Mesh network intrusion detection method. The method includes the following steps: a Mesh client collects the own packet reception information, and samples and calculates an active state metric (ASM) with a set compression ratio; the Mesh client encapsulates a metric value into a detection packet and sends the metric value to a Mesh gateway; the Mesh gateway processes data of each Mesh client that is received, and transforms the data into a sparse measurement signal that can be subjected to compressed sensing processing through signal construction, threshold conversion and sparse processing; and the Mesh gateway reconstructs the sparse measurement signal by using an SAMP reconstruction algorithm based on compressed sensing to judge theoccurrence of attacks and provide response countermeasures. The scheme of the invention can ensure that the success rate of the intrusion detection is not affected by a smaller number of measurementtimes, and the overhead caused by the detection can be reduced.

Description

technical field [0001] The present invention relates to the field of wireless Mesh network security, and more specifically, the present invention relates to a hybrid wireless Mesh network intrusion detection method. Background technique [0002] A hybrid wireless mesh network (Wireless Mesh Network, WMN) has a complete structure, rich functions, and strong compatibility. It is one of the key networking technologies for the future development of wireless networks. A hybrid WMN is mainly composed of Mesh routers and Mesh clients. Mesh routers are generally static and not energy-constrained; Mesh clients are usually mobile and energy-constrained. A hybrid WMN is a combination of an infrastructure WMN and a client WMN. The infrastructure WMN consists of a Mesh router and a Mesh client. The Mesh router constitutes the backbone of the network, and the Mesh client can be directly connected to it through wired or wireless means. Some Mesh routers can act as gateways and connect to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06
CPCH04L63/1416H04L63/1425
Inventor 石文孝施天贺欧阳敏王卓
Owner JILIN UNIV