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Method for establishing stepped Ad-Hoc network route used for wireless three-meter reading

A wireless ad hoc network and establishment method technology, applied in the field of ladder ad hoc network routing establishment, can solve the problems of accelerated node energy consumption, shortened network service life, inappropriate three-meter wireless centralized reading, etc., achieving low overhead and overall The effect of balanced energy consumption and smooth communication

Active Publication Date: 2012-06-20
SHANGHAI UNIV +1
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AI Technical Summary

Problems solved by technology

Excessive protocol overhead and frequent route maintenance of traditional routing will cause excessive useless energy loss and shorten the service life of the network
The dependence on fixed relay nodes will cause the energy consumption of individual nodes to accelerate
Traditional active routing, on-demand routing and hybrid routing are not suitable for the occasion of three-table wireless centralized reading

Method used

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  • Method for establishing stepped Ad-Hoc network route used for wireless three-meter reading
  • Method for establishing stepped Ad-Hoc network route used for wireless three-meter reading
  • Method for establishing stepped Ad-Hoc network route used for wireless three-meter reading

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Embodiment Construction

[0062] Preferred embodiments of the present invention are described in detail as follows in conjunction with accompanying drawings:

[0063] Such as Figure 1 to Figure 5 As shown, in the three-table wireless centralized reading system, the ad hoc network can adopt the routing method of the present invention.

[0064] First, the area to be collected is divided into several sub-districts according to the area or location, and a root node is placed in each sub-district. The root nodes are connected to the background monitoring host through wired or wireless networking, or are collected manually and sent to the Background monitoring host. In practical applications, the root node is generally placed at the access control of the community building, and the common nodes are placed in the corridors and residents' homes according to the position of the meter.

[0065] Secondly, address coding and initial routing feature codes are carried out for each node, and the routing initiation...

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Abstract

The invention relates to a method for establishing a stepped Ad-Hoc network route used for wireless three-meter reading, and the method comprises two processes, namely establishing start and responding transmission. An establishing request is initiated by a root node when the start is established; upper-stage nodes are selected through a power control mechanism and a power monitoring mechanism, so as to establish a one-way route quickly; networking nodes are not involved in the establishment through a method of establishing processes and feature codes by a hop-by-hop synchronous stepped route, thereby avoiding routing loops; after the one-way route is established, the phase of transmission responding is carried out; the communication coverage of lower-stage nodes is far greater than that of the upper-stage nodes through the power control mechanism, thereby ensuring an unobstructed two-way link in under the condition of no hand shaking; and in the data transmission process, the power consumption of the whole network is balanced through the alternation of the upper-stage nodes. By utilizing the method, the route establishment and the data transmission are completed fast in an energy-conservation way under the conditions that the network load is lighter, and the varying frequency of a topological structure is low, therefore, the route established by the method is suitable for a wireless three-meter reading system.

Description

technical field [0001] The invention belongs to the field of electronic technology, and relates to a method for establishing a ladder-type ad-hoc network routing for wireless centralized reading of three meters (electricity meters, water meters, and gas meters). Background technique [0002] Wireless ad hoc network is a distributed wireless multi-hop network composed of a group of nodes with routing functions. Its node transmission range is limited, and when the source node sends data to the destination node, it usually needs other nodes to provide routing and relay functions. All nodes in the network and the wireless channels between nodes constitute the communication topology of the network. The topology changes brought about by the addition and deletion of nodes will cause changes in the communication forwarding path. Therefore, wireless ad hoc networks need to use dynamic routing algorithms to adapt to changes in topology and adjust routing. [0003] According to diff...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W40/02H04W40/24H04W84/18
CPCY02B60/50Y02D30/70
Inventor 严军吴伟康洪慧金美华
Owner SHANGHAI UNIV
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