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Method and system for filtering repeated data

A technology that repeats data and data, applied in the field of networking, can solve problems such as the difficulty of signal expansion, achieve the effect of increasing coverage and simplifying the network structure

Active Publication Date: 2018-01-12
FUJIAN STAR NET COMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Therefore, it is necessary to provide a method and system for filtering duplicate data to solve the problem of difficulty in signal expansion in the existing ad hoc network process

Method used

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  • Method and system for filtering repeated data
  • Method and system for filtering repeated data
  • Method and system for filtering repeated data

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Embodiment Construction

[0040] In order to explain in detail the technical content, structural features, achieved goals and effects of the technical solution, the following will be described in detail in conjunction with specific embodiments and accompanying drawings.

[0041] see Figure 1 to Figure 4 , this embodiment firstly provides a method for filtering duplicate data, this method can be specifically applied in such as Figure 4 system 400 is shown. The duplicate data filtering system 400 includes a server 410 , multiple gateway devices 420 and nodes 430 . The gateway device can expand the coverage of wireless signals. The gateway device and nodes have the function of sending and receiving information. The gateway is only responsible for the data forwarding in the system, that is, sending the received data to the server, and sending the server to send under the control of the server. Information. When networking, adjacent gateway devices have areas where signals overlap. Information between ...

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Abstract

The invention discloses a method and system for filtering repeated data, the method comprises the following steps acquiring a sequence identifier of received data by a receiving end; determining whether the sequence identifier is a received sequence identifier or not by the receiving end; if yes, discarding the data; otherwise, receiving the data, and taking the received sequence identifier as a received sequence identifier. Compared with the prior art, according to the technical scheme, the repeated frame is filtered, and the problem that information cannot be repeatedly received can be solved simply according to the needs when the gateway is added. The method has the advantages that the whole network structure is simplified, and information is not required to be transmitted by the nodes;the coverage range of a signal is increased, only a gateway device needs to be simply added, and a large range of signal coverage can be quickly realized; the node equipment can be switched freely and seamlessly in the coverage area of the gateway.

Description

technical field [0001] The invention relates to the technical field of networking, in particular to a method and system for filtering duplicate data. Background technique [0002] At present, most of the proprietary Internet of Things generally realize the transmission of signals through complex ad hoc network methods to expand the coverage of signals. In this method, it is difficult to expand the storage signal, and the node requirements are high, which is not conducive to production, installation and implementation. Contents of the invention [0003] Therefore, it is necessary to provide a method and system for filtering duplicate data, so as to solve the problem of difficulty in signal expansion in the existing ad hoc network process. [0004] In order to achieve the above object, the inventor provides a method for filtering duplicate data, including the following steps: [0005] The receiving end acquires the sequence identifier of the received data; [0006] The re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00
Inventor 胡慧研游磊青
Owner FUJIAN STAR NET COMM
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