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Method of transmitting link-adaptive transmission of data stream in a mobile communication system

A technology of data flow and data rate, applied in the direction of data exchange through path configuration, pulse modulated TV signal transmission, transmission system, etc., can solve problems such as affecting reception quality

Inactive Publication Date: 2010-01-13
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the case of isochronous transmission, where a display device receives an audio or video stream from another device and displays the received stream on the screen, changes in channel status may significantly affect reception quality

Method used

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  • Method of transmitting link-adaptive transmission of data stream in a mobile communication system
  • Method of transmitting link-adaptive transmission of data stream in a mobile communication system
  • Method of transmitting link-adaptive transmission of data stream in a mobile communication system

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Embodiment Construction

[0030] Reference will now be made in detail with reference to the preferred embodiments of the invention, examples of which are illustrated in the accompanying drawings.

[0031] In the embodiments explained below, the technical features of the present invention are exemplarily applied to one type of WPAN (Wireless Personal Area Network), ie, WVAN (Wireless Video Domain Network). The WVAN is a wireless network capable of delivering uncompressed 1080A / V streams using the 60GHz frequency band to deliver over 4.5Gbps throughput.

[0032] image 3 is a block diagram of the WVAN structure. see image 3 , the WVAN includes at least two or more user equipments 31 to 35, and one of them works as the coordinator 31. The coordinator takes the role of providing the basic timing of the WVAN, and the role of controlling QoS (Quality of Service) requirements, etc. In particular, the WVAN supports physical layers such as HRP (High Rate Physical Layer) and LPR (Low Rate Physical Layer). ...

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Abstract

A data transmitting method is disclosed. In transmitting A / V data stream in a transmitting device of a wireless network, the present invention includes transmitting the A / V data stream having a first data format to a receiving device, if a quality of a channel for carrying the A / V data stream to the receiving device is changed, deciding to change a data format of the A / V data stream to be transmitted to the receiving device into a second data format, and transmitting the A / V data stream having the second data format to the receiving device.

Description

technical field [0001] The present invention relates to a wireless communication system, in particular to a method for transmitting link adaptive data in a wireless communication system, a method for controlling the transmission of link adaptive data, and a method for processing link adaptive data , and a user equipment for link adaptation data. Background technique [0002] In general, in the case of transmitting audio or video data over a wireless channel, the state of the wireless link has a significant impact on the quality of reception at the receiving side. In particular, audio data or video streams are transmitted wirelessly from a DVD player, camcorder, digital camera, personal computer or network, and then displayed in real time by a display device such as a digital television (DTV), LCD monitor, etc. audio data or video stream. In doing so, changes in the state of the wireless link can cause a significant degradation in the quality of the displayed image. [000...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/26H04L1/00H04L12/28
CPCH04N21/2383H04N21/44209H04N21/234363H04N19/00775H04N21/4382H04N21/234381H04N21/2385H04L1/0014H04N21/2402H04N21/6373H04N19/00757H04N7/30H04N7/465H04L1/0003H04N21/6582H04N21/2662H04L1/0011H04N19/60H04N19/59H04L1/203H04N19/00H04N21/2343H04N21/238
Inventor 金泽秀全范镇赵显哲
Owner LG ELECTRONICS INC