Dynamic Rate Control In Wireless Video Communications

Topics:
Telecom Services
Tags:
Corporate Communications,
Marketing,
University Of Paris,
Video,
Wireless,
Wireless Video
Source:
University of Paris

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Overview: We are witnessing a gradual integration of video communication services into low bit-rate mobile links. However, these services (e.g. streaming video) are not yet as popular as they should be. Transmission of real-time video in wireless networks still faces several challenges. This paper reports some our experience with a mechanism which provides a context-aware rate control for the handling of wireless video communication. Our mechanism is based on a couple of java agents which supervise the state of the link and propose an adequate regulation of the video flow. Our experiences are done with the ITU-T H.263+ standard. The Peak Signal-to-Noise Ratio (PSNR) is used as an objective image quality measure.

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Format: PDF | Size: 504KB | Date: Mar 2004 | Pages: 6

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