Method and device for improving route based on AODV

A routing and current node technology, applied in advanced technology, network traffic/resource management, electrical components, etc., can solve the problems of network topology scale limitation, inconsistent node power consumption rate, complex protocol fields, etc., to increase the number of rounds, reduce Average transmission energy consumption to ensure the effect of load balancing

Active Publication Date: 2017-05-31
STATE GRID CORP OF CHINA +1
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Problems solved by technology

This scheme ensures the stability and reliability of routing and reduces the energy consumption of nodes in the network at the same time, but for the proposed path cost balance prediction function, it does not specifically introduce the estimation of pred

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  • Method and device for improving route based on AODV
  • Method and device for improving route based on AODV
  • Method and device for improving route based on AODV

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[0038] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0039] see figure 1 , figure 1 The schematic flowchart of the improved routing method provided by the embodiment of the present invention mainly includes the following steps:

[0040] Step 1: The network center node initiates the entire network routing update by broadcasting the routing update request.

[0041]Step 2: Neighbor nodes receive routing update requests.

[0042] Step 3: Determine whether the route update request is rece...

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Abstract

The embodiment of the invention discloses a method and device for improving route based on AODV. The method includes the steps that a current node receives a route updating request sent by a network central node, and a round is marked; the current node judges whether the route updating request is received for the first time or not; if yes, the hop count of a route with the optimal topology layer number and the minimum electricity quantity of the optimal route are set, a route table is emptied, and if not, the topology layer number is updated; if not, whether a next hop is a route item of a source node broadcasting the route updating request in the route table is judged, according to the topology layer number of the current node and the optimal route record, a route updating request of the same round is broadcast, and meanwhile returning is carried out to execute the current node repeatedly to judge whether the route updating request is received for the first time. By the application of the embodiment, the load balance of a whole network is guaranteed; by the adoption of the energy balance routing algorithm, limit, exerted on the topology depth of the network, of limit of data package length can be avoided.

Description

technical field [0001] The invention relates to the technical field of wireless network routing algorithms, in particular to an improved routing method and device based on AODV. Background technique [0002] In a wireless network, in addition to sending its own data, each node also needs to undertake the task of forwarding data of other nodes, which will cause the power consumption rate of each node to be inconsistent. The running time of the entire network topology depends on the working time of the node that runs out of power first. Therefore, when constructing the routing structure of the entire network, it is necessary to consider the power condition of each node on the route, and reduce the data forwarding tasks of nodes with power below the average level as much as possible. In addition, IEEE 802.15.4 stipulates that the length of a data packet during wireless transmission should not exceed 127 bytes. In the case of an 8-byte 64-bit address format, the data link laye...

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Application Information

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IPC IPC(8): H04W28/08H04W40/02H04W40/10
CPCH04W28/08H04W40/02H04W40/10H04W40/248Y02D30/70
Inventor 胡建胜刘军伟禹士朋陈玲花纯征徐艳红储备卢研研
Owner STATE GRID CORP OF CHINA
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