Multi-layer video broadcasting with low channel switching delays
作者： Cheng-Hsin Hsu , Mohamed Hefeeda
DOI: 10.1109/PACKET.2009.5152156
关键词: Computer science 、 Digital Video Broadcasting 、 DVB-H 、 Base station 、 Mobile television 、 Computer network 、 Mobile computing 、 Broadcasting 、 Mobile device 、 Multi-band device
摘要: Modern mobile devices, despite their small sizes, can run many multimedia applications that were only possible to stationary workstations. Mobile however, have quite heterogeneous resources, which poses a challenge TV broadcast networks. We study the problem of broadcasting multi-layer video streams devices with resources. propose schemes allow each device selectively receive few (or all) layers complete streams, and achieve proportional energy saving. also scheme achieves low channel switching delay, is important user experience. analytically analyze performance proposed schemes. Most importantly, we implemented them in real testbed. conduct extensive experiments show practicality efficiency The experimental results delays less than 200 msec saving between 75% 95% are under typical system parameters
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