Wireless sensor network routing method

A wireless sensor and network technology, applied in wireless communication, network traffic/resource management, advanced technology, etc., can solve the problems of limited node energy, not effectively considering network congestion, etc., to achieve effectiveness, avoid network congestion, energy consumption, etc. low effect

Inactive Publication Date: 2016-06-22
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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Problems solved by technology

[0004] The purpose of the present invention is to provide a wireless sensor network routing method, which is used to solve th

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[0039] The preferred embodiments are described in detail below in conjunction with the drawings. It should be emphasized that the following description is only exemplary, and is not intended to limit the scope of the present invention and its application.

[0040] The present invention overcomes the shortcomings of the existing wireless sensor network routing method, and proposes a new wireless sensor network routing method, which establishes a pressure gradient function according to the relative distance between the current node, neighbor node and sink node and the flow load degree of the node. Sum specific resistance function, and use link flow to integrate the two factors of pressure gradient and specific resistance to characterize the possibility of a node becoming the next hop node, thereby reducing network energy consumption, increasing network throughput, and ensuring The network has a low packet loss rate and delay.

[0041] The present invention includes the following ste...

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Abstract

The invention discloses a wireless sensor network routing method, which relates to the technical field of wireless sensor network communication. The wireless sensor network routing method comprises the steps of: establishing a pressure gradient function according to relative distance among a current node, neighbor nodes and a convergent node; establishing a specific resistance function by utilizing the length of a current buffer queue of the nodes and predicted traffic; establishing a inter-node link traffic model according to the established pressure gradient function and the established specific resistance function; and selecting the neighbor node with maximum link traffic as a next-hop node, thereby completing the establishment of route. The wireless sensor network routing method utilizes the concepts and mechanisms of hydraulics, effectively controls network congestion, reduces total energy consumption of the network, improves overall throughput of the network, and has low packet loss rate and time delay.

Description

technical field [0001] The invention belongs to the technical field of wireless sensor network communication, and in particular relates to a wireless sensor network routing method. Background technique [0002] The wireless sensor network is a network formed by self-organization of a large number of sensor nodes with low cost, low power consumption, perception, data processing, storage and wireless communication capabilities deployed in the monitoring area, and its purpose is to collect, process and transmit information collaboratively. The information of perceived objects in the network area can be widely used in environmental monitoring, military applications, road traffic, medical and health and other fields. In sensor networks, nodes generally use batteries with very limited energy, which usually cannot be recharged and replaced once deployed. In view of this, how to prolong the life of the network and realize the effectiveness and balance of network energy consumption ...

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Application Information

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IPC IPC(8): H04W28/02H04W40/10
CPCH04W28/0289H04W40/10Y02D30/70
Inventor 唐良瑞丁伟樊冰闫江毓吴润泽
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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