A source location privacy protection method based on three-stage routing in wireless sensor networks
A wireless sensor network and privacy protection technology, applied in the field of wireless sensor network source location privacy protection, can solve the problems of high strategic cost, affecting the efficiency of the monitoring system, and impracticality, so as to avoid reverse tracking, high privacy security, and method simple effect
Active Publication Date: 2017-12-26
NANJING UNIV OF POSTS & TELECOMM
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Problems solved by technology
The source location privacy protection technology against global attacks is not practical, because the wireless sensor network used to monitor the wild environment usually covers a large area, and it is not easy for attackers to perform global wireless signal detection on a large-scale wireless sensor network , In addition, the cost of the strategy of allowing a large number of nodes to actively send deceptive data packets adopted by this technology is too high, which will not only shorten the life cycle of the wireless sensor network, but also affect the efficiency of the monitoring system, which is not suitable for wireless sensor network resources. limited features
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[0034] In order to make the purpose, technical solution and beneficial effects of the present invention clearer and clearer, the following in conjunction with the attached figure 2 And specific embodiment, the present invention is described in further detail.
[0035] 1. Architecture
[0036] The wireless sensor network based on the present invention is a data collection sensor network, which is widely used in various environmental monitoring fields, and can collect various application data, such as location information, voice, pictures and videos. The network consists of a base station and a large number of sensor nodes evenly distributed on the plane. Each node has a unique identifier. The collected data is sent back to the base station. The communication between sensor nodes adopts the private key encryption method, and the node private key is pre-loaded into the node before the node is deployed.
[0037] In this embodiment, it is assumed that the hunter's monitoring radi...
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The purpose of the present invention is to provide a source location privacy protection method based on three-stage routing in a wireless sensor network, the goal is to allow data packets to go through three-stage dynamic routing to reach the base station, and to avoid hunter's reverse through random routing of data packets Tracking to achieve privacy protection of the source location. Three-stage routing: 1. Directed random routing; 2. H-hop routing in the ring area; 3. Shortest path routing. The directional random routing in the first stage realizes the local azimuth randomness of the routing path with a low extra energy consumption, and the h-hop routing in the ring area in the second stage realizes the omnidirectional randomness of the routing path with a low extra energy consumption. sex. This scheme is an optimization method that takes into account both energy consumption and safety under the premise of considering the large coverage of the wireless sensor network in the field. The method proposed by the present invention is simple, flexible and easy to implement, and only needs low extra energy consumption to ensure high privacy security of the source location.
Description
technical field [0001] The present invention is a wireless sensor network source location privacy protection method based on three-stage routing, which is mainly used to solve the location privacy problem of source nodes in the wireless sensor network, and belongs to the technical field of wireless sensor network location privacy protection. Background technique [0002] The rapid development of micro-electro-mechanical systems, system-on-chip, wireless communication and low-power embedded technology has given birth to wireless sensor networks, and has brought a new era of information perception with its low power consumption, low cost, distributed and self-organizing characteristics. field change. Wireless sensor network is a multi-hop self-organizing network formed by a large number of cheap micro sensor nodes deployed in the monitoring area through wireless communication. [0003] In order to better track and protect rare animals, people have deployed a large number of w...
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IPC IPC(8): H04W12/02H04W40/02H04L12/733H04L45/122
CPCH04L45/122H04W12/02H04W40/02Y02D30/70
Inventor 林巧民卢春红王汝传叶宁李胜艳韦修远孙力娟肖甫黄海平李鹏
Owner NANJING UNIV OF POSTS & TELECOMM