Service life optimizing method for wireless sensor network under non-uniform deployment condition

Abstract

The invention discloses a service life optimizing method for a wireless sensor network under a non-uniform deployment condition. The method comprises the following steps of step 1, deploying a one-dimensional wireless sensor network; step 2, acquiring the energy consumption model of a wireless sensor network node; step 3, acquiring the retransmission model of the one-dimensional wireless sensor network; step 4, acquiring the energy consumption model of the one-dimensional wireless sensor network considering retransmission; step 5, acquiring the reliability model of the one-dimensional wireless sensor network considering retransmission; step 6, acquiring the service life optimizing model of the one-dimensional wireless sensor network under the non-uniform deployment condition and solving. The retransmission mechanism is considered, the optimizing model, taking the data transmission reliability as a restraint condition and the energy consumption-considered network service life maximizing as the target, of the wireless sensor network under the non-uniform deployment condition is established, the Newton method is adopted, the optimization on the node deployment number is realized, and the method belongs to innovation for the convenient and efficient service life optimizing deployment method for the wireless sensor network.

Description

technical field [0001] The invention relates to a method for optimizing the lifetime of a wireless sensor network under non-uniform deployment conditions, and belongs to the technical field of wireless sensors in the technical field of network communication. Background technique [0002] With the continuous development and application of wireless communication technology, sensor technology and embedded technology, wireless sensor network has become an extremely important challenging topic; wireless sensor network is characterized by its low power consumption, low cost, distributed and self-organization It has brought about a revolution in information perception, and has played a huge practical value in many fields such as environmental monitoring, military defense, emergency rescue, urban management, biomedicine, industrial and agricultural production, and has attracted great attention from the national academic and industrial circles. . [0003] A classic wireless sensor n...

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Problems solved by technology

[0005] The purpose of the present invention is to solve the problem of energy consumption caused by data retransmission not considered in the life optimization of the one-dimensional wireless sensor network under the condition of non-uniform deployment, and propose a new method by deriving and optimizing the network life model considering retransmission Lifetime Optimization Method for Wireless Sensor Networks under Non-uniform Deployment Conditions

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