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Routing method for monitoring path node energy and queue length

A technology of queue length and node energy, applied in digital transmission systems, data exchange networks, electrical components, etc., can solve problems such as establishing paths that are not optimal paths, uneven loads, and network failures

Inactive Publication Date: 2018-08-24
JILIN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The technical problem to be solved by the present invention is to overcome the problems in the prior art that the established path is not an optimal path and the uneven load easily leads to network failure, and provides a routing method for monitoring path node energy and queue length

Method used

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  • Routing method for monitoring path node energy and queue length
  • Routing method for monitoring path node energy and queue length

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Embodiment

[0161] refer to Figure 6 , for a routing method and the original method of monitoring path node energy and queue length according to the present invention to establish a schematic diagram of a path

[0162] refer to Figure 6 , where the initial energy of each node is set to 30J, and the queue capacity of each node is Q full . The original method is AOMDV, and we call a routing method for monitoring path node energy and queue length in the present invention DEQDAOMDV.

[0163] Since AOMDV establishes the shortest path as the main path based on the hop count information as the only routing criterion, from Figure 6 It can be seen from the figure that S-A-B-C-D is the shortest path from the source node to the destination node, with 4 hops and 5 hops for other paths, so the main path established by AOMDV is S-A-B-C-D.

[0164] When DEQDAOMDV establishes a route, it first expands the relevant routing control group and path state information, and then makes a routing request. ...

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Abstract

The invention discloses a routing method for monitoring path node energy and a queue length, and overcomes a problem that a network is invalid due to the fact that an established path is not the optimal path and the load is not uniform in the prior art. The method comprises the following steps of 1, extending relevant route control packets, namely 1) extending a route request (RREQ) packet, and adding a request energy flag bit and the like based on the RREQ packet of an AOMDV protocol; 2) extending a route reply (RREP) packet, and adding a reply energy flag bit, a reply fitness value flag bitand the like based on the RREP packet of the AOMDV protocol; and 3) extending the format of a Hello packet, and adding a destination address of a minimum fitness path, an energy flag bit of the minimum fitness path and the like based on the Hello packet of the AOMDV protocol; 2, extending path state information; 3, carrying out route request process; 4, carrying out route reply process; and 5, dynamically monitoring network path information between nodes by utilizing the Hello packet.

Description

technical field [0001] The invention relates to a method belonging to the field of wireless sensor network routing protocols, more precisely, the invention relates to a routing method for monitoring path node energy and queue length. Background technique [0002] A wireless sensor network (Wireless Sensor Network, WSN) is composed of a large number of sensor nodes distributed in the target monitoring area. The sensor nodes periodically sense the useful information of the surrounding environment and perform simple processing. The sensor nodes communicate, and the information collected by the source miniature sensor nodes is transmitted to the base station for final processing through single-hop or multi-hop in the form of wireless transmission. WSN has the advantages of large-scale, self-organization, data-centric, collaborative work, etc., and has broad application prospects. However, WSN also has its own shortcomings. Due to the limited energy and network bandwidth resourc...

Claims

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Application Information

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IPC IPC(8): H04L12/733H04L12/761H04L12/803H04W40/02H04W40/04H04W40/10H04L45/122H04L45/16
CPCH04L45/122H04L45/16H04L47/125H04W40/02H04W40/04H04W40/10
Inventor 杨晓萍李孟杰廉伟健王萍李娟陈雪莹
Owner JILIN UNIV
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