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Priority based multiplexing of data packet transport

A technology of data grouping and data, applied in the direction of digital transmission system, transmission system, data exchange network, etc., can solve the problems of no inevitability, delay, can not be called real-time, etc., to achieve the effect of effective use and reduce delay

Active Publication Date: 2007-05-09
3G LICENSING SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002]The problem with conventional data packet networks is that they operate on a "best effort" paradigm: a data packet is presented to the network without it being delivery to inevitability
This scheme also involves reading the stream into memory before processing it, so it cannot be called true real-time
[0006] A problem common to data packet networks with congestion control mechanisms that assign priority to certain data packets over others is that while they enable high priority communications to be delivered, this does so at the expense of low priority traffic at the expense of
During times of high congestion, this may cause low-priority traffic to fail to reach its destination
[0007] Another problem common to data packet networks is the delay due to passing through the network

Method used

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  • Priority based multiplexing of data packet transport
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  • Priority based multiplexing of data packet transport

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Embodiment Construction

[0033] An overall system schematic diagram according to an embodiment of the present invention is shown in FIG. 1 . This schematic diagram gives an example of a communication system in which the invention may be applied, but is by no means the only application. A set of data processing means 9 , 10 , 11 is shown on the left-hand side of the diagram. These devices may include one or more of wireless devices 9 (such as cellular telephones, personal digital assistants (PDAs), laptop computers, etc.), computer workstations 10 and / or server computers 11 . These means generate different types of data S1, S2, S3 which are received by the first network edge node 12 (eg a cellular communication network base station).

[0034] These data are communicated over a first data packet communication network 14, such as a mobile communication data packet network, eg General Packet Radio Network (GPRS). These data are then transmitted to a second network edge node 18 via a second data packet c...

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PUM

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Abstract

A method for transmitting data from a plurality of data sources across data packet communications networks having a congestion control mechanism for reducing the effects of congestion by selectively prioritizing data packets is disclosed. In one embodiment, the data packets can contain data in a number of different multimedia types, e.g., voice, video, audio, e-mail, each being within a separate partition in the packet. The packets can be transmitted as a data packet train, which may consist of a number of data packets with some association in time and order of precedence.

Description

technical field [0001] The present invention relates to data packet nodes and methods of operating data packet networks which introduce quality control mechanisms for data transmission across Congestion Effects Congestion Control Mechanisms Network data transmission introduces quality control mechanisms. Background technique [0002] The problem with conventional data packet networks is that their operation is based on a "best effort" paradigm: a data packet is presented to the network without the certainty that it will be delivered. There is no prior agreement between the sender and receiver of the data packets to ensure this inevitability. However, various techniques have been developed to support quality management of data packet networks, typically including dedicated bandwidth allocation and / or congestion control mechanisms for reducing the effects of network congestion by selectively prioritizing data packets . Such congestion control mechanisms include systems in w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L47/2416H04L47/32H04L47/36
CPCH04L47/2408H04L47/32H04L47/283H04L47/2433H04L47/10H04L47/12H04L47/365H04L47/2416
Inventor 保罗·劳伦斯·雷诺
Owner 3G LICENSING SA