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Data packet retransmission control method and network side equipment

A network-side device and data packet technology, which is applied in the field of data communication, can solve problems such as GB interface transmission network packet loss, and achieve the effect of solving data transmission interruption and reducing retransmission delay

Inactive Publication Date: 2010-12-22
HUAWEI TECH CO LTD
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  • Abstract
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Problems solved by technology

[0006] But, in the current GPRS network layout, BSS (base station subsystem; Base Station Subsystem) and SGSN (service GPRS support node; Servicing GPRS Support Node), and network server are often located in different cities or regions, so BSS (for example, including BSC ( The transmission network of the GB interface (Interface between BSS and 2G SGSN) between the BaseStation Controller (base station controller)) and 2G (2nd Generation; second generation) SGSN integrates various transmission media, resulting in frequent loss of the GB interface transmission network. packet phenomenon
The FTP transmission protocol is a transmission protocol with a strict TCP (Transmission Control Protocol; Transmission Control Protocol) confirmation mechanism. All transmitted data blocks need to be confirmed by the peer. Once there is a packet loss caused by transmission, because the confirmation mechanism of the TCP layer will cause subsequent generate a series of retransmissions

Method used

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  • Data packet retransmission control method and network side equipment
  • Data packet retransmission control method and network side equipment
  • Data packet retransmission control method and network side equipment

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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 some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0021] figure 1 It is a schematic structural diagram of the network 1000 to which the embodiment of the present invention can be applied. The network 1000 includes a terminal 100 , a network side device 200 , and a server device 300 . Taking the GPRS network as an example, the terminal 100 may be a PC (Personal Computer; Personal Computer) or an MS (Mobile Station; Mobile Station).

[0022] The network side device 200 may include a BSC 210 and an SGS...

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Abstract

The embodiment of the invention provides a data packet retransmission control method and data packet retransmission control network side equipment. The method is executed by the network side equipment, and comprises the following steps of: receiving data packets from a server; acquiring serial number information carried by the data packets from the data packets; detecting the continuity of the data packets according to the serial number information; and performing data packet retransmission control according to the continuity of the data packets. The embodiment of the invention can earlier and more quickly detect the loss of the data packets, perform corresponding retransmission control in advance, shorten retransmission time delay and solve the problem of data transmission traffic stoppage caused by overlong time delay.

Description

technical field [0001] The embodiments of the present invention relate to the field of data communication, and more specifically, relate to a method and network side equipment for data packet retransmission control. Background technique [0002] Global System for Mobile Communication (GSM for short) is a standard launched by the European Standardization Committee in 1992. It adopts digital communication technology and unified network standards to ensure communication quality, and can develop more of new services for users to use. [0003] General Packet Radio Service ("GPRS" for short) is a mobile packet data service developed on the basis of the existing GSM mobile communication system. GPRS introduces the functional entity of packet switching in the GSM digital mobile communication network to complete data transmission in packet mode. [0004] The Enhanced GPRS service (Enhanced GPRS, "EGPRS" or "EDGE") system can be regarded as performing modulation algorithm evolution ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/18H04L1/00
Inventor 赵鹏飞
Owner HUAWEI TECH CO LTD
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