Data transmission method and system

A data transmission and data technology, applied in the field of data transmission, can solve the problems of simultaneous data transmission to multiple people, no simultaneous data transmission, limited wireless channel resources, etc., and achieve the effect of avoiding bandwidth bottlenecks

Inactive Publication Date: 2008-09-17
CHINA MOBILE COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing peer-to-peer networks are only used to download and share data on the network, but have not been applied to a single user to actively transmit data to multiple users at the same time
Moreover, due to bandwidth limitations, it is difficult for the sender to transmit data to multiple people at the same time: when the sender is a mobile terminal, since the mobile terminal needs to communicate with the base station through wireless signals first, and then can access the network, its wireless channel resour

Method used

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  • Data transmission method and system
  • Data transmission method and system

Examples

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Embodiment Construction

[0020] Such as figure 1 Shown is a schematic structural diagram of an embodiment of a data transmission system applying the present invention. The sending end E1 initiates a data transmission request to the receiving ends E2, E3, and E4, and the receiving ends E2, E3, and E4 start to provide data transmission services to other receiving ends except themselves after obtaining some data. The sending end and the receiving end can be mobile terminals, notebooks, personal computers, etc. connected to the Internet through wireless or wired means. exist figure 1 In the system shown, the sending end E1 is a mobile terminal, the receiving ends E2 and E4 are personal computers, and E3 is a mobile terminal.

[0021] Such as figure 2 As shown, it is a flowchart of an embodiment of the data transmission method of the present invention, including the following steps:

[0022] Step A1, the sending end initiates a data transmission request to multiple receiving ends;

[0023] Step A2: T...

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Abstract

The invention relates to a data transmission method and system, comprising: the sender initiates a data transmission request to a plurality of receivers; the receiver returns response of the data transmission request to the sender, and selects data source from which obtaining each data fragment according to data fragment index information, in order to obtain data in fragment. The sender stores the data to be transmitted to a server after receiving the response of the first data transmission request; and sends the data fragment identifier information contained in the request for obtaining data fragment and the receiver address to the data transmission server; the data transmission server sends the data fragment to the receiver according to data fragment identifier information and receiver address. The invention realizes the process that single user transmits file or multimedia content to a plurality of users simultaneously, in order to effectively avoid bandwidth bottleneck in the sender to use the network bandwidth with maximal efficiency.

Description

technical field [0001] The invention relates to data transmission technology, in particular to a method and system for transmitting data from a single user to multiple users. Background technique [0002] Mobile terminals such as mobile phones have been widely used by people nowadays, and it is also very common to transfer files through mobile terminals. Users often wish to transmit data in their mobile phones to other users. Traditional content transmission adopts a one-to-one transmission method, that is, one end of the user end initiates a transmission request, and the other end agrees to receive it, that is, a connection is established on the network to realize content transmission. In this content transmission mode, if the sender needs to send the same file to multiple receivers, it can only initiate a request to multiple receivers, establish connections with multiple receivers, and independently deliver content to multiple receivers , and because the wireless access b...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L1/16H04L12/18H04L12/28H04L47/76
Inventor 张炎王敬宇王南掬
Owner CHINA MOBILE COMM GRP CO LTD
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