Efficient and energy-saving link safety method in wireless sensor network
A wireless sensor, high-efficiency and energy-saving technology, applied in security devices, wireless communication, energy-saving ICT, etc., can solve the problem of reduced utilization of network resources, reduce computing load, prevent replay attacks and denial of service attacks, and improve availability Effect
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[0053] The wireless sensor network in this embodiment (the network topology is as Figure 4 Shown) It is composed of 8 MICAz sensor nodes and 1 base station (the base station is composed of 1 MICAz processor / RF board and 1 MIB520USB PC gateway connected) of Crossbow Company in the United States. It adopts the installed MoteView client monitoring software The IBM PC gathers data collected by sensor nodes, including temperature (unit: degrees Celsius), relative humidity (unit: %), and light (unit: lumens per square meter). The encryption algorithm used in the embodiment is the RC5 algorithm.
[0054] 1. Neighbor list establishment phase
[0055] In the initialization phase of the network, each node needs to form a route to the base station. In the process of forming the route, each node also establishes a neighbor relationship and establishes a neighbor list. This embodiment adopts Figure 4 The method shown obtains the route and establishes the neighbor list at the same time.
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