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A method and method for data transmission

A technology of data transmission system and data transmission method, applied in the direction of transmission system, using return channel for error prevention/detection, electrical components, etc., to achieve the effect of providing robustness, strong practicability, and fast speed

Active Publication Date: 2007-05-16
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0030] However, for some third-generation mobile communication system equipment that does not use the TCP / IP layer, and has a variety of internal data link layer implementation methods, and requires high-speed transmission, there is currently no relatively mature file transfer protocol that can be used.

Method used

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  • A method and method for data transmission
  • A method and method for data transmission

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Embodiment Construction

[0075] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0076] As shown in FIG. 1 , in this embodiment, the data transmission system of the present invention is based on a system control unit, a protocol processing unit, a user management unit, and a service processing unit in the physical layer.

[0077] The data link layer is one or a combination of ATM (Asynchronous Transfer Mode), SOCKET (Socket), HDLC (High-level Data Link Control Protocol), HPI (Host port interface).

[0078] The file transfer system of the present invention is also the same as FTP and other Internet services, adopts the Client / Server (Client / Server) mode, and starts the client program to establish connection with the server earlier during use, and then sends a transmission command to the remote host, and the remote host After receiving the command, it responds and executes the correct command.

[0079] The file transmission system of the p...

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Abstract

The disclosed data transmission method comprises: the client sends file transmission request to server; the latter builds file transmission process once receiving request, and responds the transmission request; server sends frame data message information to client, or sends next data message after receiving ACK from client for receiving frame data message, or re-send message to client if time over; client determines received data message and sends frame information to server, or sends last frame information if receiving no data; repeating the process; when client receives some frame with byte volume less than defined length, it ends the transmission.

Description

technical field [0001] The invention relates to the communication field, in particular to a data transmission system and method between multiprocessors of third-generation communication system equipment. Background technique [0002] Third-generation mobile communication system (3G) equipment generally has a multi-processor unit distributed architecture, and program files and data files need to be transmitted between units. The transmission of these program files and data files is mainly based on the TCP / IP protocol set. FTP or TFTP to achieve. [0003] The TCP / IP protocol network structure is divided into: [0004] 1. Network Interface Layer [0005] This layer corresponds to the physical layer, data link layer and some functions of the network layer in the Open System Interconnection Reference Model (Open System Interconnet, OSI). It is responsible for receiving IP datagrams from the IP layer and converting IP Datagrams are sent through the underlying network, that is, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L1/18
Inventor 方乐明
Owner DATANG MOBILE COMM EQUIP CO LTD
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