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IP Multimedia Subsystem (IMS) is mostly regarded as the core architecture of the next generation network. And the mobile video call service based on IMS network is almost sure to be one of the most important applications beyond the 3rd generation mobile communication. This paper focuses on design and implementation of IMS video call based on Windows Mobile system and the open source eXosip package...
Considering the high packet losses and low, varying bandwidth of GPRS/EDGE network and limited computation power of handheld devices, we present and implement a novel SVC video-on-demand system for hand-held devices over GPRS/EDGE network. For the purpose of handling varying bitrate, we propose a priority based layer switching (PLS) adaptation scheme for SVC stream, which not only performs online...
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