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Method and a transceiver device for transmitting media data via a network

A technology for media data and media transmission, applied in the field of media data transmission via network, can solve the problems of increasing jitter, increasing delay, continuous media stream not being able to tolerate delay and jitter, etc.

Inactive Publication Date: 2008-12-31
IBM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, continuous media streaming cannot tolerate delay and jitter
Since different paths have different propagation delays, path hopping adds both delay and jitter in continuous media streams

Method used

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  • Method and a transceiver device for transmitting media data via a network

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Embodiment Construction

[0027] For a better understanding of the invention, together with other and further features and advantages thereof, reference is made to the following description taken in conjunction with the accompanying drawings and as to the scope of the invention which shall be pointed out in the appended claims.

[0028] The only figure shows a simplified network with a first transceiver device 1 and a second transceiver device 2 . The first transceiver device 1 comprises a first transmitter device 3 and a first receiver device 4 and the second transceiver device 2 comprises a second transmitter device 5 and a second receiver device 6 . The first and second transceiver devices 1 , 2 are connected via a network 7 . The transmitter device 3 , 5 and the receiver device 4 , 6 are typically implemented as one device with two distinct transmit and receive functions in a common transceiver device 1 , 2 . In order to allow the transceiver device 1, 2 to cope with rapid succession of media stre...

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Abstract

The present invention relates to a method for transmitting media data, especially voice data, via a network (7), wherein the media data are converted to a media data packet stream. The network has a number of data paths (P1, P2, P3) including a first and a second data path each capable of transmitting data packets of the media data packet stream. The data packet stream is transmitted via the first data path of the network, thereby the media data packet stream is stopped to be transmitted via the first data path and is started to be transmitted via the second data path when an information pause is detected.

Description

technical field [0001] The invention relates to a method of transmitting media data, in particular voice data, via a network. The invention further relates to a transceiver device for sending and receiving media data via a network. Background technique [0002] In order to prevent denial of service attacks in radio communications, frequency hopping techniques are generally used. These techniques are well known, so attempts have recently been made to apply similar techniques in packet forwarding networks such as the Internet. The so-called "path hopping technique" consists of using several different paths to carry a given data stream with many packets, and constantly alternating between said different data paths, so that an attacker must know and have access to all data path. [0003] Path hopping is most suitable when applied to continuous media streams, such as voice streams, since they can typically tolerate some loss. This means that even if an attacker intercepts a c...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L29/06
CPCH04L63/18H04L65/70H04L45/22
Inventor 埃尔赛·范·赫里维格恩约翰·G.·茹内
Owner IBM CORP
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