High-performance data transmission method for large telemetric seismic instrument

A data transmission method and a technology of a transmission method, which are applied in the field of high-performance data transmission of large-scale telemetry seismographs, and can solve problems such as low portability, low efficiency, and poor versatility

Inactive Publication Date: 2012-08-15
INST OF GEOLOGY & GEOPHYSICS CHINESE ACAD OF SCI
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Problems solved by technology

[0006] The purpose of the present invention is to overcome the problems of low efficiency, low portability and poor versatility in the existing high-performance data reception, and provide a high-performance data transmission method for large-scale telemetry seismographs
It overcomes the shortcomings of low efficiency, low portability, and poor versatility in the existing high-performance data reception

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  • High-performance data transmission method for large telemetric seismic instrument
  • High-performance data transmission method for large telemetric seismic instrument
  • High-performance data transmission method for large telemetric seismic instrument

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Embodiment Construction

[0035] As shown in the figure, the technical scheme adopted by the high-performance data transmission method of the large-scale telemetry seismograph of the present invention is (see Figure 7 ):

[0036] 1. Add a dedicated custom network transmission protocol in the operating system kernel

[0037]Modern operating systems are developing towards intelligence and modularization, which provides the necessary guarantee for realizing special needs in special fields. In addition to being a general interface service program between the application layer and the device layer, the operating system also allows special requirements programs to be added to the kernel in the form of modules to meet the needs of autonomous control of specific hardware devices. This method utilizes this feature to shield specific data frames from its more time-consuming general protocol processing routines in the network protocol stack, and adds a streamlined special-purpose custom data transmission protoc...

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Abstract

The invention relates to a high-performance data transmission method for a large telemetric seismic instrument. A special customization data transmission protocol is established on a multi-access control (MAC) layer or a link layer of an operating system network protocol stack in order to solve the problem of low data transmission performance of the conventional large telemetric seismic instrument and replaces the conventional transmission control protocol/Internet protocol (TCP/IP); a data packet which meets the protocol is processed and directly mapped to an application layer buffering space; and data frames which do not meet the special protocol are still processed by a protocol stack in an operating system. The problem of low efficiency, low transportability and low universality in the prior art are solved; the data receiving efficiency of the large seismic instrument in a network environment is improved; and the high-performance data transmission method has the characteristics of high reliability, convenience in improvement and high expandability.

Description

technical field [0001] The invention relates to a data transmission method of a seismograph, in particular to a high-performance data transmission method of a large telemetry seismograph. Background technique [0002] 1. The large-scale telemetry seismograph has the characteristics of sending back massive seismic data. With the maturity and development of Ethernet technology, in the field of seismic exploration, data acquisition equipment has developed from small seismometers with dozens or hundreds of channels to the current ones with tens of thousands or even hundreds of thousands of channels. High-precision large-scale telemetry seismic dedicated network, in which the acquisition server undertakes the task of receiving the sampling data of the entire seismic telemetry network, and will return about 3-4G sampling data during the data acquisition production process that lasts 8 seconds using 100,000 instruments , and based on the consideration of construction efficiency an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L12/56
Inventor 刘宁郭建徐善辉刘光鼎
Owner INST OF GEOLOGY & GEOPHYSICS CHINESE ACAD OF SCI
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