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Method for continuously transferring breakpoint of data stream based on single chip system

A technology of continuous transmission from a breakpoint and single-chip microcomputer, which is applied in transmission systems, digital transmission systems, data exchange networks, etc., can solve the problems of lack of application layer network protocols, lack of multi-thread processing capabilities, etc., to reduce transmission time and network traffic. , to ensure the effectiveness and reliability, and to improve the effect of transmission efficiency

Inactive Publication Date: 2012-10-03
苏州云博信息技术有限公司
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  • Abstract
  • Description
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Problems solved by technology

[0005] However, in single-chip application systems, there are only limited resources and processing capabilities, lack of multi-thread processing capabilities, and usually do not have application layer network protocols such as HTTP or FTP. http

Method used

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  • Method for continuously transferring breakpoint of data stream based on single chip system
  • Method for continuously transferring breakpoint of data stream based on single chip system
  • Method for continuously transferring breakpoint of data stream based on single chip system

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Experimental program
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Embodiment

[0030] The operating environment of this embodiment is in the base station operation and maintenance management terminal BSM3000, which is used to realize the remote upgrade of the control program, and in the wireless data transmission product TCMK-GC, which is used to realize the file transmission function.

[0031] In this embodiment, a single-chip microcomputer system-based data stream breakpoint resume transmission method is based on the TCP or UDP basic transport layer protocol of the single-chip microcomputer system, and the carrier in the form of "frame" is used as the basic unit of data transmission, and the time slice rotation algorithm is adopted. , to achieve "concurrent" transmission of data, such as figure 1 shown, including the following steps:

[0032]Step 1, split the data stream into multiple data packets according to the size, and then encapsulate the data packets into "frames". "Frame" refers to the data packets sent each time, which is the smallest unit of ...

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Abstract

The invention discloses a method for continuously transferring a breakpoint of a data stream based on a single chip system. Based on a TCP (transmission control protocol) or UDP (user datagram protocol) basic transmission layer protocol ordinarily included in the single chip system, the achievement of multi-thread is simulated by adopting 'time slice round-robin'. A 'frame' is adopted as a basic unit of a data structure to achieve or approach the continuous-transfer effect of the breakpoint of the data stream in the field of a computer, therefore, high error rate in the transmission process is removed, the transmission efficiency of the data stream is improved, the transmission time and network flow are reduced, and the communication cost is reduced.

Description

technical field [0001] The invention relates to the field of single-chip computer system network communication, in particular to a single-chip computer system-based data stream breakpoint resume transmission method. Background technique [0002] Breakpoint resuming refers to dividing the downloaded or uploaded data stream into several parts, and each part uses a separate thread for uploading or downloading. When a network failure occurs, the uploading and downloading can be continued from the part that has already been uploaded or downloaded. Thus, the network transmission time can be saved and the transmission rate can be increased. In the absence of the support of continuous transmission technology, the data transmission efficiency and speed depend on the network conditions and the size of the data flow, especially in the wireless network application environment (such as GPRS, CDMA, Zigbee and VHF / UHF ultrashort wave wireless communication), When the network signal cannot...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L12/56H04L1/00
Inventor 陈刚荣宏陈越莫立宇
Owner 苏州云博信息技术有限公司
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