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Energy saving method and dormancy decision making system of wireless sensor network

A wireless sensor network and wireless sensor technology, applied in the field of energy saving in wireless sensor networks, can solve problems such as missing routes and decreased transmission reliability

Inactive Publication Date: 2012-11-28
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to solve the problem that the energy-saving method of the wireless sensor network may cause the lack of routing, resulting in a decrease in transmission reliability, and proposes an energy-saving method for the wireless sensor network

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  • Energy saving method and dormancy decision making system of wireless sensor network
  • Energy saving method and dormancy decision making system of wireless sensor network
  • Energy saving method and dormancy decision making system of wireless sensor network

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Embodiment Construction

[0041] The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:

[0042] In order to better understand the present invention, firstly, a description is made on the cellular automaton and the wireless sensor network.

[0043] Cellular Automata (Cellular Automata, CA) is a kind of dynamical system with discrete time, space and state. Its basic characteristics are: each cell scattered in a regular grid takes a finite discrete state, and each cell follows The same evolution rules are updated and only interact with its neighboring cells. As a state-discrete system, cellular automata can reveal complex global characteristics with simple rules, so it can be used to study the spatiotemporal evolution of wireless sensor networks with self-organizing characteristics.

[0044] The specific schematic diagram of wireless sensor network is as follows: figure 1 shown. For sensor networks, users or researchers sometimes do not ...

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Abstract

The invention discloses an energy saving method and a dormancy decision making system of a wireless sensor network. The energy saving method designs a state transformational rule of cellular automata; and a CA (Cellular Automata) module is designed in a routing protocol module in the system. According to the energy saving method, by adoption of the mode that the dormancy is decided by a Sink node, the problem that a wireless network based on cellular automata is lack of control ability; by design of the state transformational rule of the cellular automata, the node can be switched between the dormancy and the working states, so that the energy consumption is reduced; by arranging a CA area, a second stage node connected with the first stage node also enters into the dormancy state while the first stage node enters into the dormancy state, thereby avoiding the situation that the energy of a sensing node is wasted because of relay node dormancy is prevented, and moreover the reliability in data transmission is improved.

Description

technical field [0001] The invention belongs to the technical field of wireless communication, and in particular relates to an energy-saving technology in a wireless sensor network. Background technique [0002] Wireless sensor network (WSN) is a new type of wireless network involving multiple disciplines. It integrates sensor technology, network communication technology, wireless transmission technology, embedded computing technology, software programming technology and other technologies, and is a research hotspot in communication and computer science. [0003] WSN networks are usually deployed in areas with complex natural environments, and the power supply of nodes is very limited. Therefore, how to minimize the energy consumption of nodes without significantly reducing the reliability of data transmission is one of the main directions of current research. [0004] From the analysis of the published literature and research status, although the current WSN research has ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W52/02H04W76/04H04W84/18
CPCY02B60/50Y02D30/70
Inventor 于秦李唯乔毛玉明马立香
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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