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Broadcast and routing hybrid transmission method and system in wireless mesh network

A hybrid transmission and routing technology, applied in the field of wireless networks, can solve the problems of small throughput, inconvenient batch transmission of large data, difficult to popularize, etc., to achieve the effect of satisfying throughput, saving development and hardware costs, and satisfying real-time performance

Active Publication Date: 2022-04-19
ANYKA (GUANGZHOU) MICROELECTRONICS TECH CO LTD
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Compared with WifiMesh, BT Mesh is easy to form a broadcast storm, and its throughput is small, so it is inconvenient to transmit large data in batches. However, because there is no routing process, it has higher real-time performance. Therefore, both have their own advantages and disadvantages.
[0004] At present, the wireless Mesh network is in great demand, but it is still difficult to become popular, because the usual processing of current transactions requires a fast signal to notify the occurrence of an event, and then transmits related data in large quantities, and needs to meet real-time and throughput capabilities at the same time, and the above two None of the wireless Mesh networks in the protocol mode can meet this requirement

Method used

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  • Broadcast and routing hybrid transmission method and system in wireless mesh network
  • Broadcast and routing hybrid transmission method and system in wireless mesh network
  • Broadcast and routing hybrid transmission method and system in wireless mesh network

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Embodiment

[0077] still refer to figure 2 ,Such as figure 2 As shown, suppose the source Mesh node H wants to send data to the destination Mesh node E, where the optimal path is HBDE, but initially does not know that this path is the optimal path, first the source Mesh node H sends a broadcast routing request, and sends the data as It is sent in the form of broadcast, and the intermediate nodes that can receive the broadcast packet, such as A, B, G, etc., forward the broadcast packet in the form of broadcast, and then forward it layer by layer through the middle C, D, E, etc., and the final destination Mesh node E receives the packet , in this embodiment, the data is transmitted during the broadcast process, and it is also a routing request. When the destination Mesh node E receives the broadcast routing request, it generates a unicast response, which is delivered to the source Mesh node H via the intermediate nodes D and B. The unicast response process is not only a route selection r...

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Abstract

The present invention discloses a broadcast and routing hybrid transmission method and system in a wireless Mesh network. The method includes: step S1, the source Mesh node broadcasts a routing request to other nodes in the network, and carries the information to be sent to the broadcast routing request in the broadcast routing request. The data of the destination Mesh node; Step S2, the intermediate Mesh node that receives the broadcast routing request forwards the broadcast routing request in the form of broadcast, after the broadcast routing request is forwarded layer by layer, the destination Mesh node receives the broadcast routing request carrying data; Step S3, The destination Mesh node obtains data by parsing the broadcast routing request, and responds to the broadcast routing request with unicast route selection, and carries the obtained data during the unicast route selection response process, so as to establish the best distance between the source Mesh node and the destination Mesh node. An optimal path; Step S4, the source Mesh node and the destination Mesh node transmit data back and forth in unicast form through the optimal path.

Description

technical field [0001] The invention relates to the technical field of wireless networks, in particular to a broadcast and routing mixed transmission method and system in a wireless Mesh network. Background technique [0002] Wireless Mesh network is a widely used technology in wireless access, municipal management, disaster relief, security monitoring, industrial management, logistics collaboration and other fields. The design of its routing method directly affects the performance and efficiency of wireless Mesh network. Because wireless mesh networks have performance requirements of self-organization, self-recovery, and self-adaptation, as well as background characteristics of mobility and changing environments, the routing method of wireless mesh networks must take care of the stability of the network on the one hand and ensure the smooth flow of data communication. On the other hand, it must be able to quickly converge to ensure that the normal operation of communication...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W40/02H04W84/18H04L5/00
CPCH04W40/023H04W84/18H04L5/0053
Inventor 李晓辉胡胜发
Owner ANYKA (GUANGZHOU) MICROELECTRONICS TECH CO LTD
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