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Peer-to-Peer (P2P) live video streaming is becoming an increasingly popular technology. One of the main challenges is to provide a good quality of service though the dynamic behavior of the network. Traditionally, tree-based model uses a push method, that broadcaster transfers data to other users. This model has low start-up delay. However, there are two main problems in this method: if the bandwidth...
Mobile Video on demand (VOD) system is that allows mobile clients to browse and watch videos anywhere and anytime. In this system, the video server employs staggered broadcasting protocol to disseminate video to mobile clients within the MANET environment. In this protocol, video is divided into small segments and are repeatedly broadcasted within server's channel in periodic basis. Clients can join...
Integrated Mobile Broadcast (IMB) is a technology recently standardized by 3GPP for delivery of broadcast multimedia via a cellular network. IMB is based on WCDMA technology but particularly designed for deployment in 3G TDD spectrum. It employs downlink-only channels using SFN methods, which greatly increase spectral efficiency and capacity for broadcast services. In this paper, we firstly provide...
The development of an open architecture for multimedia data integration and visualization in template based distributed applications is a challenge for the scientific researches. Because of characteristics of multimedia data, their management and querying techniques are unlike than those of traditional data. We can increase the potential use of multimedia data across various applications by storing...
The IP Multimedia Subsystem (IMS) has emerged as next generation value added communication services including mobile multimedia broadcasting, multimedia conferencing, push to talk and presence etc on top of all IP networks. Offering multimedia streaming services across heterogeneous fixed and mobile networks have faced many challenges e.g. security, QoS, mobility and services management. In this article...
A scheme that exploits the broadcast nature of the wireless communication in order to achieve multicast content delivery is presented in this paper. As opposed to broadcasting, this method enables the clients to determine on-line the delivered content, and thus preserves the advantages of an individual service. On the other hand, a multicast content delivery is much more efficient than a unicast content...
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