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Expanding ring synchronization-based regional route establishment method in wireless network

A technology of wireless network and establishment method, which is applied in the direction of synchronization device, wireless communication, sustainable building, etc., can solve the problem of high energy consumption in establishing regional routing, and achieve the effects of reducing requirements, improving synchronization accuracy, and good rationality

Active Publication Date: 2014-09-03
苏州博联科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a method for establishing regional routing based on extended ring synchronization in a wireless network, which solves the technical problems of excessive energy consumption for establishing regional routing in wireless sensor networks in the prior art.

Method used

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  • Expanding ring synchronization-based regional route establishment method in wireless network
  • Expanding ring synchronization-based regional route establishment method in wireless network
  • Expanding ring synchronization-based regional route establishment method in wireless network

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Embodiment

[0039] Such as figure 1 As shown, the wireless network of this embodiment is provided with a control center, a gateway node, a sensor node responsible for sensing functions, and an enhanced node responsible for sensor node maintenance and routing connections. The method for establishing an area route based on extended ring synchronization in a wireless network includes the following steps:

[0040] (1) The control center sends a LARES synchronization control message to the gateway node, and the gateway node broadcasts the LARES synchronization control message to the enhanced node;

[0041] (2) After the enhanced node receives the LARES synchronization control message, it reads the LARES synchronization control message to obtain the waiting hop time information;

[0042] (3) After the enhanced node waits for the waiting hop time of the LARES synchronization control message, it broadcasts the LARE control message to the sensor nodes in its area, and establishes the area route o...

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Abstract

The invention discloses an expanding ring synchronization-based regional route establishment method in a wireless network. The regional route establishment process is divided into a plurality of atomic operations, and a certain time interval is inserted between the adjacent atomic operations so as to guarantee the synchronization accuracy of multiple regional route establishment processes. The above algorithm of the invention does not reduce the rationality of the established regional route, while at the same time greatly reduces the transmission number of broadcast packets in the network and further reduces the energy cost of the route establishment process.

Description

technical field [0001] The invention belongs to the technical field of wireless network routing construction, and in particular relates to a method for establishing regional routing based on extended ring synchronization in a wireless network. Background technique [0002] In some wireless sensor networks based on heterogeneous nodes, there are two or more different node types in the network. For a network with two types of nodes, the larger number of nodes responsible for sensing functions are called sensor nodes, and the nodes with enhanced computing and communication capabilities are called enhanced nodes. Enhanced nodes can use dedicated wireless channels to communicate, and each enhanced node is responsible for maintaining the sensor nodes in its area and establishing routing connections with them. This route is called an area route, such as figure 1 shown. [0003] For the establishment of regional routing, the general method is to let each enhanced node initiate a b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W40/02H04W56/00
CPCY02B60/50Y02D30/70
Inventor 徐平平王占王琢玉
Owner 苏州博联科技有限公司