15 February 2010
Mobile television breakthrough claim researchers
Researchers at Fraunhofer Institute for Telecommunications, Berlin, claim to have made a breakthrough in high transmission rates for mobile devices.
The developers say they have developed a coding method that offers hd films in real time in the appropriate format for cellphones or netbooks. The research is based around lte and is said to address issues such as variable bandwidths on different networks, particularly in bandwidth sensitive areas – causing transmission gaps or interruptions during video streaming.
The Multicore SVC Real time Encoder encodes a basic version of a video, the base layer, and places several enhancement layers in the SVC bit stream next to the base layer in one processing step.
Partial decoding of the scalable bit stream allows simple degradation and bit rate, format and power adaptation. As lte can use a higher error protection to transmit the base layer, each mobile terminal can always decode the basic version of the video stream and, according to Fraunhofer, can guarantee the transmission of video services everywhere - and for every given point of time. Under good network conditions, the researchers claim that a mobile user can benefit from premium video quality by decoding additional enhancement layers.
The cross-layer design SVC over lte is an invention by the scientists who are say it responds to variable user demands with great flexibility, and enables 'seamless adaptive communication without annoying disruptions'.
Author
Chris Shaw
Supporting Information
Websites
http://www.fraunhofer.de/en/press/research-news/2010/02/svc-lte-mobile-television-mwc-2010.jsp
Companies
Fraunhofer Institute
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