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Underwater acoustic network data transmission method based on adaptive retransmission

A data transmission method and underwater acoustic network technology, applied in the field of underwater acoustic network data transmission based on adaptive retransmission, can solve problems such as failure, affecting data transmission efficiency, and failure of reply signals to reach the source node, so as to improve reliability, The effect of improving data transmission efficiency

Pending Publication Date: 2022-06-07
THE 715TH RES INST OF CHINA SHIPBUILDING IND CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, this protocol is usually used in the underwater acoustic environment. During the route discovery process, the destination node needs to send a reply signal to the source node. However, due to the variability of the underwater environment, the reply signal may not reach the source node, resulting in the failure of the route discovery process. Data transfer efficiency

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  • Underwater acoustic network data transmission method based on adaptive retransmission
  • Underwater acoustic network data transmission method based on adaptive retransmission
  • Underwater acoustic network data transmission method based on adaptive retransmission

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Embodiment Construction

[0033] In order to make the technical means of the present invention and the technical effects that can be achieved, more clearly and more fully disclosed, the following embodiments are provided herewith, and the following detailed descriptions are made in conjunction with the accompanying drawings:

[0034] see figure 1 , figure 1 A schematic diagram of the workflow of the method for establishing an autonomous route;

[0035] Step 1): any node X checks its own status;

[0036] Step 2): Node X finds that a physical layer data packet arrives;

[0037] Step 3): the arriving data packet is the control data packet of the route establishment process;

[0038] Step 4): Node X checks the control data packet type, if it is a routing request packet (RREQ), then go to step 5), if it is a routing response packet (RREP), then go to step 10);

[0039] Step 5): Node X checks whether it is the first time to receive RREQ, if so, go to step 6), if not, go to step 14);

[0040] Step 6): up...

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Abstract

The invention relates to the technical field of underwater acoustic networking, in particular to an underwater acoustic network data transmission method based on self-adaptive retransmission, which comprises the following steps of: assuming that channels in a network are bidirectionally symmetrical, when a source node in the network needs to send data to another destination node, firstly checking whether a route reaching the destination node exists, and if so, executing the next step; if yes, the data is directly packaged and sent, and if not, autonomous routing establishment is carried out, and a path leading to a destination node is established; and after the route is successfully established, the source node repacks the data and sends the data to the destination node, so that the method can adapt to a complex and changeable underwater environment, the reliability of network transmission information is improved, and the data transmission efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of underwater acoustic networking, in particular to an underwater acoustic network data transmission method based on adaptive retransmission. Background technique [0002] The continuous exploration of the marine environment requires the support of underwater sensor networks. Underwater acoustic communication is currently the main communication method capable of long-distance communication underwater. The variability of the underwater environment makes data transmission between underwater acoustic sensor networks face severe challenges. . [0003] Dynamic Source Routing (DSR) protocol is a commonly used routing protocol in terrestrial wireless networks, which can realize data transmission from a source node to any destination node in the network. Before using this protocol for data transmission, a route from the source node to the destination node needs to be established through the route discovery process,...

Claims

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Application Information

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IPC IPC(8): H04B13/02H04L1/18H04L45/00
CPCH04B13/02H04L1/1867H04L45/10H04L45/14Y02D30/70
Inventor 王超张宏滔王桢铎杜鹏宇朱小辉周武
Owner THE 715TH RES INST OF CHINA SHIPBUILDING IND CORP