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System and method for real-time data distribution

A data distribution and data technology, applied in the direction of digital transmission system, transmission system, network data management, etc., can solve the problem of inappropriate network nodes to exchange data and so on

Inactive Publication Date: 2005-03-16
NEC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Since the use of IP addresses to identify destinations forces intermediate data storage servers to temporarily store data to be exchanged, this packet communication system is not suitable for exchanging desired data between network nodes in real time

Method used

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  • System and method for real-time data distribution
  • System and method for real-time data distribution
  • System and method for real-time data distribution

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Experimental program
Comparison scheme
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Embodiment Construction

[0039] Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0040] system structure

[0041] figure 1 is a structural block diagram showing a data distribution system according to an embodiment of the present invention. The data distribution system includes a server 1 , a GGSN (Gateway GPRS Support Node) 2 , a receiving node 3 and a data distribution device 4 .

[0042] The server 1 is connected to the mobile packet network 100 through the GGSN 2, and is also connected to the telephone network 200; the telephone network 200 may be a wireless telephone network or a wired telephone network. The server 1 can be directly connected to the GGSN 2, or indirectly connected to the GGSN 2 through the Internet.

[0043] The receiving node 3 is designed to be connectable to the mobile packet network 100 wirelessly. The receiving node 3 may comprise a desktop personal computer, a mobile PDA (Personal Digital Ass...

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Abstract

A data distribution system is composed of a server (1, 5), a data distribution apparatus (4, 6, 7), and a receiving node (3), which are connected one another through a mobile packet network (100). The server (1, 5) includes means for forwarding a distribution request from the receiving node (3) to the data distribution apparatus (4, 6, 7) through a message transfer medium which is designed to transfer a message using a telephone number of the data distribution apparatus (4, 6, 7) as a destination identifier. The server (1, 5) provides a connection between the data distribution apparatus (4, 6, 7) and the receiving node (3), and thereby achieves real-time distribution of data from the data distribution apparatus (4, 6, 7) to the receiving node (3) therethrough in response to the distribution request.

Description

technical field [0001] The present invention relates to data distribution via a network, and more particularly to data distribution to receiving nodes connected to a mobile packet network. Background technique [0002] Recent developments in information technology devices provide mobile communication terminals with environments for receiving various image data including still and moving images. Recent improvements in mobile packet communication networks address the distribution of moving picture data to cellular telephones. [0003] Through PDC-P (Personal Digital Cellular-Packet), CDPD (Cellular Digital Packet Data) and GPRS (General Packet Radio Service), the packet telecommunication of the second generation mobile communication system is realized. In addition, packet telecommunication of the third generation mobile communication system such as IMT-2000 (International Mobile Telecommunication) is realized by PDSN / PDGN (Packet Data Service Node / Packet Data Gateway Node). ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/00H04L12/58H04L29/06H04L29/08H04L29/12H04N7/173H04N21/4788H04W8/26H04W28/00
CPCH04L65/103H04L69/329H04L29/12018H04L51/38H04L29/06H04L29/06027H04W8/26H04L61/10H04L29/12009H04W4/00H04L65/104H04L12/5895H04L65/4084H04L61/00H04L51/58H04L65/612
Inventor 大泽由美子城户等
Owner NEC CORP