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A multi-hop network communication method and system based on batch sparse codes

A technology of multi-hop network and communication method, applied in the field of multi-hop network communication method and system based on batch sparse coding, to achieve the effects of low calculation and storage costs, high throughput, and low-delay data transmission

Active Publication Date: 2021-01-19
THE CHINESE UNIV OF HONG KONG SHENZHEN
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

Hop-by-hop forward error correction requires full decoding and re-encoding at each intermediate node, thus creating additional computation and transmission delays in each hop

Method used

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  • A multi-hop network communication method and system based on batch sparse codes
  • A multi-hop network communication method and system based on batch sparse codes
  • A multi-hop network communication method and system based on batch sparse codes

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Embodiment Construction

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0021] refer to figure 1 , in one or more embodiments of the present invention, the batch sparse code-based multi-hop network communication method disclosed in the present invention includes the following steps: the transport layer in the source node receives data files from the data source, each data The file includes multiple data packets; when receiving the file sending request, the transport layer in the source node encodes the data packets using the outer...

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Abstract

The present invention relates to a multihop network communication method and system based on batch sparse codes. The method comprises the following steps: a transmission layer in a source node receives data files from a data source, each data file comprising multiple data packets; when a file sending request is received, the transmission layer in the source node utilizes outer codes in the batch sparse codes for encoding the data packets so as to generate multiple batches, each batch comprising multiple encoding packs and sent to a network layer; when the network layer receives the packs in the batches, whether the current node is a destination node is detected, if the current node is not the destination node, the network layer performs recoding on the packs in the same batch and sends the recoded packs to the next node; and if the current node is detected to be the destination node, the packs are sent to a transmission layer in the destination node, and the transmission layer in the destination node decodes the received batches, so as to restore the data files.

Description

technical field [0001] The invention relates to a multi-hop network communication method and system, in particular to a multi-hop network communication method and system based on batch sparse coding. Background technique [0002] Multi-hop network communication is a key technology in many application fields such as wireless sensor network, underwater acoustic communication network and satellite network. Among the existing underwater wireless communication technologies, the underwater acoustic channel has the longest transmission range. However, since the path loss of the underwater acoustic channel increases exponentially with the transmission distance, and the effective bandwidth decreases with the increase of the transmission distance, the communication distance of the practical acoustic modem is usually within 2 km. One way to achieve efficient and secure long-range (e.g., tens of kilometers) underwater communication is to implement multi-hop transmission by adding multi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00H04L29/08
CPCH04L1/0009H04L1/0015H04L1/0056H04L67/06
Inventor 杨升浩
Owner THE CHINESE UNIV OF HONG KONG SHENZHEN
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