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Node privacy protection method based on directional random routing in wireless sensor network

A wireless sensor and privacy protection technology, applied in network topology, wireless communication, advanced technology, etc., can solve the problem of increasing the difficulty of tracing the source node by the opponent, achieve the effect of improving diversity, preventing directional attacks, and extending the security cycle

Active Publication Date: 2016-09-28
HOHAI UNIV CHANGZHOU
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  • Application Information

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Problems solved by technology

For the privacy protection of the source node, the method of adding fake source nodes to the network to confuse attackers is usually used to increase the difficulty of tracing the source node by the opponent

Method used

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  • Node privacy protection method based on directional random routing in wireless sensor network
  • Node privacy protection method based on directional random routing in wireless sensor network
  • Node privacy protection method based on directional random routing in wireless sensor network

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Embodiment Construction

[0052] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0053] A node privacy protection method based on directed random routing in a wireless sensor network, the steps of which include:

[0054] Step 1: If figure 1 As shown, the establishment of the grid. After the nodes in the network are randomly deployed, the entire network is divided into edge lengths The grid, r is the communication radius of the node, and each grid determines the coordinate value (x, y) with the network center as the origin according to the coordinate system;

[0055] Step 2: If figure 2 As shown, the establishment of the ring. Set up a square ring with the center of the network as the center of the ring, and the ring interval is l. According to the distance from the network center, the ID numbers of each ring are 1, 2, 3...;

[0056] The establishment of the grid and square ring in step 1 and step 2 is a virtual exis...

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Abstract

The invention relates to a node privacy protection method based on directional random routing in a wireless sensor network. The method comprises the following six steps: establishment of grids, establishment of rings, determination of the grid, where a node locates, in the network, determination of the ring, where the node locates, in the network, routing of a real data packet and routing of confusion data packets. The confusion data packets are introduced to each direction of the network to prevent direction attack of an attacker, and network traffic is equalized; ring-based routing is introduced at the start position of a data packet to prolong the safety period of the network; through a time-domain confusion mechanism, the attacker cannot continue tracing after tracing back to the last node; and the directional routing policy of the real data packet increases diversity of the routing, and improves attack difficulty of the attacker. The node privacy protection method based on the directional random routing in the wireless sensor network can protect a source node and a base station node simultaneously through the design of grid and ring based routing, is suitable for the case of mobile source nodes and multisource nodes, and has good expansibility.

Description

technical field [0001] The invention relates to a node privacy protection method based on directional random routing in a wireless sensor network, and belongs to the technical field of wireless sensor network privacy protection. Background technique [0002] A wireless sensor network is a wireless network that serves different applications and is composed of many sensor nodes capable of sensing, collecting and sending data. A common application is the detection and tracking of objects, which are often objects that require privacy protection. For example, the most typical "panda hunter" model needs to protect pandas from being discovered by hunters. This is the problem of location privacy protection. Location privacy protection is further divided into source node location privacy protection and base station location privacy protection. For the privacy protection of the source node, the method of adding a fake source node to the network to confuse the attacker is usually use...

Claims

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Application Information

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IPC IPC(8): H04W12/00H04W12/02H04W40/02H04W84/18H04W12/033H04W12/122
CPCH04W12/00H04W12/02H04W40/02H04W84/18Y02D30/70
Inventor 韩光洁周丽娜王皓江金芳刘立
Owner HOHAI UNIV CHANGZHOU
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