A method and system for extending the life of an agricultural wireless sensor network
A wireless sensor and life extension technology, applied in the field of agricultural Internet of Things, can solve the problems of real-time, accuracy and convenience that cannot meet precision agriculture and other problems
Active Publication Date: 2021-02-05
AGRI INFORMATION INST OF CAS
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The traditional data acquisition methods relying on manual collection and wired measurement cannot meet the requirements of precision agriculture in terms of real-time, accuracy and convenience.
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[0057] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0058] The main reason for the short lifetime of wireless network systems for agricultural sensors is that data collection requires wireless sensors to be active most of the time, but object detection requires reporting only when events occur. So the most effective way to prolong the life of agricultural sensor wireless network is to activate the operation only when it is actually needed. A duty-cycling scheme allows wireless sensor nodes to periodically wake ...
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The invention discloses a method for extending the life of an agricultural wireless sensor network. The method for extending the life includes: step 1, constructing an agricultural wireless sensor network; step 2, determining the sensing range of each wireless sensor node; and step 3, the cross-sensing range of the wireless sensor node Cluster the wireless sensor nodes with the evolutionary algorithm to obtain multiple initial clusters; step 4 screens the wireless sensor nodes in each initial cluster according to the cluster head screening constraints to obtain multiple cluster head clusters; step 5 obtains each The remaining energy of each wireless sensor node in the cluster head cluster; Step 6 calculates the wake-up times of each wireless sensor node in each cluster head cluster according to the remaining energy of each wireless sensor node in the cluster head cluster. By applying the method or system provided by the invention, the life cycle of the agricultural wireless sensor network is extended under the premise of ensuring the detection performance of the agricultural wireless sensor.
Description
technical field [0001] The invention relates to the field of agricultural internet of things in the field of network communication technology, in particular to a method and system for extending the life of an agricultural wireless sensor network. Background technique [0002] In the field of agriculture, it is an important part of modern agricultural production and management to obtain agricultural information on a large scale, in real time and efficiently. The traditional data acquisition methods relying on manual collection and wired measurement cannot meet the requirements of precision agriculture in terms of real-time, accuracy and convenience. The application of wireless sensor network technology just makes up for these shortcomings, allowing growers to quickly grasp the information of various monitoring objects, so as to achieve scientific and reasonable agricultural planting and production. [0003] Agricultural wireless sensor networks contain a large number of node...
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IPC IPC(8): H04W52/02H04W40/10H04W84/18
CPCH04W40/10H04W52/0203H04W84/18Y02D30/70
Inventor 庄家煜许世卫张永恩周涵
Owner AGRI INFORMATION INST OF CAS