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A routing method based on distance weighting and its node routing function module

A distance-weighted, node-based technology, used in location-based services, digital transmission systems, data exchange networks, etc., to solve problems such as inaccessibility of forwarding information, terrain fluctuation errors, etc.

Active Publication Date: 2020-05-05
BEIJING RADACAT CO LTD
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AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a routing method based on distance weighting and its node routing function module, in order to solve the difference between the 2D plane distance calculated based on the GPS auxiliary position and the actual distance in the current distance forwarding algorithm due to the terrain fluctuations. Large error, resulting in unreachable forwarding information

Method used

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  • A routing method based on distance weighting and its node routing function module
  • A routing method based on distance weighting and its node routing function module
  • A routing method based on distance weighting and its node routing function module

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Embodiment 1

[0028] reference image 3 , The distance-weighted routing method disclosed in this embodiment includes: each node in the network periodically broadcasts a beacon message, the beacon message contains the node's own identification information and the node's real-time position coordinates; The node obtains the current GPS location information or its own relative GPS location information in the network as the node's real-time location coordinates in the beacon message; each node broadcasts its own GPS location information, and at the same time receives the GPS location information of other nodes, and the node broadcasts Its own GPS location information is synchronized across the entire network. If the GPS location of the node changes, the entire network needs to update the GPS location information; each node calculates the distance between itself and all other nodes based on its own node and the GPS location information of the received node Node distance, forming the node distance f...

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Abstract

The invention discloses a routing method based on distance weighting and its node routing function module. The node routing function module includes: Radacat CPU, GPS / Beidou module, map module, weighted distance calculation module, routing table module and RF transceiver module , the GPS / Beidou module, the map module, the weighted distance calculation module, the routing table module and the RF transceiver module are connected to the Radacat CPU. The present invention calculates a reasonable wireless communication distance through weighted calculation, and can more accurately display the relative distance between two nodes. In the distance forwarding protocol based on GPS position assistance, using this technology is more reasonable and more accurate. It can make the Mesh network forward more accurate correct forwarding messages.

Description

Technical field [0001] The invention relates to the technical field of a wireless network multi-node dynamic routing method, in particular to a distance-weighted routing method and a node routing function module. Background technique [0002] There are multiple nodes in a wireless network, and the nodes are dynamically moving, so how to implement a dynamic routing method for multiple nodes is a key technical point of the wireless network. The earliest wireless network developed from the Ad-Hoc network, and evolved into a complex wireless Mesh network that can communicate with other networks. [0003] There are many wireless network routing methods. Some are based on the least hops, the fastest, and some are based on location. The location-based distance routing protocol is relatively simple, especially in wireless networks with limited bandwidth. It is not necessary to broadcast the heartbeat responsible for the whole network, and only need to exchange the GPS location, so it has ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/02H04W40/02H04L12/721H04L12/741H04L45/74
CPCH04L45/123H04L45/54H04L45/745H04W4/025H04W40/02
Inventor 杨天朋王振鹏范成龙
Owner BEIJING RADACAT CO LTD
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