A Power Control Method for Wireless Sensor Networks Using Two-Stage Fuzzy Controller
A fuzzy controller and wireless sensor technology, applied in network topology, power management, wireless communication, etc., can solve the problems of reducing node transmission power, increasing node transmission power, and unbalanced network energy consumption, so as to prolong the network life cycle , the effect of balancing network energy consumption
Active Publication Date: 2020-02-28
CHANGCHUN NORMAL UNIVERSITY
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Problems solved by technology
[0005] The technical problem to be solved by the present invention is to use the remaining energy to adjust the fuzzy control power control method of the expected node degree in view of the existing power control method based on fuzzy control ignoring the unbalanced problem of network energy consumption caused by the remaining energy of the nodes. The basic idea is The remaining energy of any node in the network determines its expected node degree, when its node degree is higher than the expected node degree, then reduce the node's transmission power, otherwise increase the node's transmission power
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[0024] Below in conjunction with accompanying drawing, the present invention will be described in further detail, as figure 1 As shown, a wireless sensor network power control method using a two-stage fuzzy controller in the present invention includes three parts: a network model, a master fuzzy controller and a slave fuzzy controller. Based on a simple communication disc model, two-stage fuzzy control is adopted, Realize the self-adaptive adjustment of node transmission power. The specific implementation is to use a two-stage fuzzy controller based on the "input-output-feedback" mechanism to control the transmission power. The master controller is responsible for the adjustment of the node's transmission power, and the slave controller is responsible for the adjustment of the expected node degree. Adaptively according to the remaining energy of the node To adjust the transmission power, effectively balance the energy consumption of the network, and prolong the network life cy...
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The invention relates to a transmission power control method for wireless sensor networks, in particular to a TFTPC (Two Fuzzy controllers based Transmission Power Control) method for the wireless sensor networks. The method adopts the two fuzzy controllers based on an "input-output-feedback" mechanism to control the transmitting power; a master fuzzy controller is responsible for the regulation of the transmitting power of nodes, and a slave fuzzy controller is responsible for the regulation of the expected node degree, so as to regulate the transmitting power adaptively according to residual energy of the nodes. The method of the invention solves the problem of unbalanced network energy consumption caused by ignoring the residual energy of the nodes in the traditional fuzzy control method, and reduces the network energy consumption and prolongs the network life cycle.
Description
technical field [0001] The invention relates to a wireless sensor network transmission power control method, in particular to a wireless sensor network power control method TFTPC (Two Fuzzy controllers based Transmission Power Control method for wireless sensor networks) using a two-stage fuzzy controller. This method uses a two-stage fuzzy controller based on the "input-output-feedback" mechanism to control the transmission power. The master fuzzy controller is responsible for the adjustment of the node's transmission power, and the slave fuzzy controller is responsible for the adjustment of the expected node degree. Energy can be used to adjust the transmission power, effectively reducing network energy consumption and prolonging the network life cycle. Background technique [0002] With the wide application of wireless sensor network (WSN-WirelessSensorNetwork) in the fields of environmental monitoring, medical care, national security and space exploration, it continues t...
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IPC IPC(8): H04W52/02H04W52/14H04W52/18H04W84/18
CPCH04W52/0209H04W52/14H04W52/18H04W84/18Y02D30/70
Inventor 王出航胡黄水沈玮娜
Owner CHANGCHUN NORMAL UNIVERSITY