Data processing method and device based on TCP and digital TV receiver terminal and system

A data processing device and data processing technology, applied in the direction of digital transmission system, transmission system, two-way working system, etc., can solve the problems of network congestion, slowing down the transmission speed of message segments, reducing the amount of data, etc. The program plays smoothly

Inactive Publication Date: 2010-04-14
SHENZHEN COSHIP ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But on the server side, due to the phenomenon of data retransmission before, the protocol stack on the server side will think that the current network condition is very bad. In order to prevent data loss and excessive retransmission from causing network congestion, it will slow down reporting The transmission speed of the text segment, once the server slows down, the data segment received by the client will be reduced accordingly. If the data stream of the program is sent through the front-end Ethernet, at this time the IPTV set-top box will There will be a significant reduction in the amount of data received through the Ethernet, and there will be a phenomenon of stuck or stuttering when playing the program

Method used

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  • Data processing method and device based on TCP and digital TV receiver terminal and system
  • Data processing method and device based on TCP and digital TV receiver terminal and system
  • Data processing method and device based on TCP and digital TV receiver terminal and system

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Embodiment 1

[0028] Such as figure 1 and figure 2 Shown, the data transmission method based on TCP of the present invention comprises steps:

[0029] S100: Receive a message segment.

[0030] S200: Determine whether the received message segment is a message segment waiting to be received, if yes, enter the fast processing flow, otherwise enter the slow processing flow.

[0031] The rapid processing flow of this embodiment includes the following steps:

[0032] S300: Judging whether there is data in the received message segment, that is, judging whether the payload data length of the message segment is zero, if it is zero, it means that there is no data in the message segment, and if it is not zero, it means that the message segment There is data in it. When there is data, go to step S301; if there is no data, go to step S302.

[0033] S301: Determine whether the transmission sequence of the message segment is correct and whether the cache can accommodate the data in the message segme...

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PUM

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Abstract

The invention discloses data processing method and device based on TCP, and digital TV receiver terminal and system. The method comprises the following steps: receiving a message segment; and judging whether the received message segment is a message segment to be received or not; if so, entering in a fast processing flow; and if not, entering in a slow processing flow. The device comprises a receiving module, a cache module, a regrouping queue, a fast processing module and a slow processing module. The digital TV receiver terminal comprises the device. The system comprises a server end and the digital TV receiver terminal which are connected with each other through an IP network. By appropriately adding immediate answer marks in the fast processing flow and the slow processing flow, the invention enables the terminal to answer the server end immediately, thereby enabling the server end to increase the speed of sending the message segment and enabling programs to be played more smoothly.

Description

technical field [0001] The invention belongs to the data processing field of the network communication TCP / IP protocol, in particular to a TCP-based data processing method, system and digital TV receiving terminal. Background technique [0002] In the current two-way, dual-mode or complete IPTV (Internet Protocol Television, Internet TV) set-top boxes, the TCP / IP protocol stack must be used, and most of the protocols in the transport layer use the TCP protocol. TCP is a connection-oriented protocol, which creates a virtual connection between two TCPs. TCP uses flow control and error control mechanisms at the transport layer. TCP provides full-duplex service, that is, data can flow in both directions at the same time. Each TCP has a sending buffer and a receiving buffer, and segments can be sent in both directions. TCP is a reliable transport protocol that uses an acknowledgment mechanism to check that data has arrived safely and intact. TCP defines the byte number, seria...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L1/00H04L1/18H04N7/173
Inventor 陈琳
Owner SHENZHEN COSHIP ELECTRONICS CO LTD
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