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Compressed Video Transmission Over Wireless Channel   Bhumin Pathak

Compressed Video Transmission Over Wireless Channel

308 страниц. 2012 год.
LAP Lambert Academic Publishing
A variety of applications range from simple web-browsing to real time video transmission in unicast or multicast modes are widely used over different wireless communication services. Error prone and bandwidth limited wireless environment presents a specific set of challenges to terrestrial radio mobile communication system such as UMTS to provide enhanced end-user service experience. In this presented research, some of the problems related to transmission error for a video application over a UMTS wireless environment are investigated. Compression algorithm required to utilize bandwidth effectively converts independent raw video frames into a highly hierarchical structure with introduction of coding dependences between frames. A transmission error can result into significant error propagation over successive frames degrading the quality of the received video sequence. The problem of error propagation in compressed video sequence transmitted over UMTS mobile radio network is...
 
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