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Data information retransmission method and network transmission system

A technology of network transmission system and data information, which is applied in the direction of using the return channel for error prevention/detection, and can solve problems such as poor timeliness, reduced transmission efficiency of transmission paths, and inability to control the delay time of central nodes.

Active Publication Date: 2021-02-26
SHENZHEN FRIENDCOM TECH DEV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this retransmission method is that each node allows unlimited retransmissions, which will greatly reduce the transmission efficiency of the entire transmission path, and the timeliness is poor, and it is impossible to control the delay time of the central node waiting for the reply, which consumes Resources of the central node

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  • Data information retransmission method and network transmission system
  • Data information retransmission method and network transmission system
  • Data information retransmission method and network transmission system

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Embodiment Construction

[0026] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations. Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without cre...

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Abstract

The invention provides a data information retransmission method and a network transmission system. The method is applied to a network transmission system, the network transmission system includes at least one preset transmission path, and the preset transmission path is composed of a central node, at least one relay node and a target node communicated in sequence, and the method includes: in the preset transmission path. In the path, the previous node in the two adjacent nodes sends the data information and the number of retransmissions to the next node in the two adjacent nodes. The previous node detects whether the data information needs to be retransmitted. When retransmission is required, the previous node detects whether the number of retransmissions is the preset number of times to stop retransmission. When the number of retransmissions is not stopped for the preset number, the previous node performs retransmission processing. Therefore, by setting the number of retransmissions and the preset number of times of stopping retransmissions, the transmission time of the entire transmission path can be effectively controlled, the transmission efficiency can be improved, and the transmission timeliness can be better.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a data information retransmission method and a network transmission system. Background technique [0002] MESH network (wireless mesh network) is a multi-hop (multi-hop) network, developed from Ad-Hoc (point-to-point mode) network. A multi-hop network is composed of multiple nodes (for example, a node combination of a central node + multiple common nodes), and multiple nodes can forward data through the network to each other. For example, the data information delivered by the central node can be sequentially transmitted along the transmission path from one node to another until reaching the final target node, and the target node will reversely transmit the replied data information back to the central node along the transmission path. [0003] In the prior art, if a node in the transmission path fails to forward the data information to the next node, the node will ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/18
Inventor 崔涛雍林吴金明
Owner SHENZHEN FRIENDCOM TECH DEV
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