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The aim of our work is to develop an application that runs on a mobile platform, and performs live streaming from the camera of a phone to other phones and PCs. The application should be able to adapt the quality of the video according to external factors like the strength of the network connection.
Nowadays, the Peer-to-Peer (P2P) Video-on-Demand (VOD) systems knows a huge success for several reasons: a) each peer is both server and client leading to scalable system, b) it is not necessary to build and maintain infrastructures. BitTorrent is the most popular P2P file sharing protocols due to its effectiveness in the delivery of content. Thus, many VoD protocols have been proposed based on it...
Real-time video dissemination over Vehicular Ad hoc Networks (VANETs) is fundamental for many services, e.g., emergency video delivery, road-side video surveillance, and advertisement broadcasting. These applications deal with several challenges due to strict video quality level requirements and highly dynamic topologies. To handle these challenges, geographic receiver-based beacon-less approaches...
Data synchronization-long a staple in le systems-is emerging as a signicant communications primitive. In a distributed system, data synchronization resolves di erences among distributed sets of information. In named data networking (NDN), an information-centric communications architecture, data synchronization between multiple nodes is widely used to support basic services, such as public key distribution,...
This paper describes advanced networking technologies that support high quality video and image communications. We focus on maintaining Internet compatibility and extracting the merit of ATM technologies. A concept of Global Mega-media Network (GMN) is introduced as the future multimedia network. As part of work associated with GMN, an overview of AMInet project and some of the promising technologies...
A framework that aims to best utilize the mobile network resources for video applications is presented in this paper. The main contribution of the work proposed is the QoE-driven optimization method that can maintain a desired trade-off between fairness and efficiency in allocating resources in terms of data rates to video streaming users in LTE networks. This method is concerned with the control...
Cloud computing has enabled a wide range of streaming multimedia applications and many HDMI based devices have emerged as a result. Chromecast is one of these devices that plugs into the HDMI port of a larger screen and turns it into a smart screen. With Chromecast, you can stream videos from the cloud onto a larger screen and control it from a mobile device such as a smart-phone, tablet or a laptop...
In its Release 6, the Third Generation Partnership Project (3GPP) is defining a new service known as Multimedia Broadcast/Multicast (MBMS) that enables a number of new applications. Due to its nature, no feedback link from the receiver to the sender exists in MBMS. Hence no retransmission techniques can be employed to cope with the underlying erroneous wireless channel. Instead, 3GPP is adopting a...
Web browsers are becoming more powerful day by-day, with increased usage of interactive multimedia applications. Web Real Time Communications is a standard to integrate real time multi-media communications feature in web browsers by eliminating third party plugins. The increased usage of multimedia applications and rapidly updating technology, demands a browser platform that utilize less system and...
We consider the video-on-demand streaming problem in a P2P network in a decentralized model, in which peers have no global information about the network. Assuming that only one server has all the chunks, the objective is to stream all chunks to all peers in the network such that small latency and good fluency are achieved by all peers. We design a simple and decentralized protocol in which each peer...
Vehicular Ad-Hoc Network (VANET) became known in wireless networks to influence the importance in growth of the transportation system. In VANET several QoS related routing protocols are available. At the moment, VANET be-comes a world's biggest ad-hoc network. The parameters of Quality of Service (QoS) generally depends on layers such as MAC layer and physical layer in Vehicular Ad-Hoc Network. Managing...
Networking of MPEG-4 content is the topic of standardization efforts in the ISO MPEG and IETF. DMIF (Delivery Multimedia Integration Framework) was developed in the ISO MPEG as a generic networking platform for MPEG-4 content. In this paper we are describing the implementation of a MPEG-4 client-server architecture, uses DMIF with Internet RTSP (Real Time Streaming Protocol) for signaling. Mapping...
Recent advances in embedded computer electronics and integration in multimedia standard specifications are enabling cost-effective terminals for video communication and conferencing with potential capabilities in video surveillance application, both on wireless and wired links. Following a tutorial approach, the paper describes the practical implementation of a multimedia system and terminals implemented...
Telehaptics applications are usually characterized by a strict imposition of a round trip haptic data latency of less than 30 ms. In this paper, we present Haptics over Internet Protocol (HoIP) - a low latency application layer protocol that enables haptic, audio and video data transmission over a network between two remotely connected nodes. The evaluation of the protocol is carried out through a...
According to the popularity of variant video streaming applications over the Internet, video stream quality assessment is essential for video service providers in order to measure quality of service for such applications. There are many packet level parameters such as packet loss and jitter which can affect video stream quality. Consequently, measurement of these factors can be used for quality assessment...
Adaptive video streaming over HTTP (DASH) is a recent technology adopted as the choice for delivering videos to smart phones, TV's, portable data units. Therefore, many services providers tend to adopt it as the basis for their services. In this paper, we focus on the problem of the typical behaviour of DASH, which runs over Client/Server network architecture causing limitations in its performance...
Nowadays video streaming technique is becoming more popular with rapid growth in multimedia applications. Real time distortion less video streaming requires high quality of service at the user end. Actually it is delay sensitive for limited resources in wireless environment. In this paper, we have analyzed efficient and secure method for quality video streaming using different routing protocols namely...
Most of previous video quality control schemes for DASH lead to frequent change of video quality due to the varying network condition. In this paper, we propose a video quality control scheme based on network and playback buffer status to provide seamless and smooth streaming service over DASH.
This paper describes a scalable mechanism to set up a point-to-multipoint tree which supports ICN-oriented services such as publish-subscribe and request aggregation. The mechanism is based on autoconfiguration and legacy unicast IP routing. The scalability issues with several current ICN approaches that apply routing based on data object names can thereby be avoided. An application-independent network...
The service layer in IMS is undergoing substantial architectural enhancement. IMS communication services, such as voice, video, messaging (incl. chat mode), are facilitated through designated and standardized SIP application servers. Traditionally, operators have a need for enhancing the service experience for their end-users [6]. These enhancements are implemented in the actual SIP-AS’s as well as...
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