A personalized system for scalable distribution of multimedia content in multicast wireless networks

The final publication is available at Springer via http://dx.doi.org/10.1007/s11042-014-2139-3This paper presents a novel architecture for scalable multimedia content delivery over wireless networks. The architecture takes into account both the user preferences and context in order to provide personalized contents to each user. In this way, third-party applications filter the most appropriate contents for each client in each situation. One of the key characteristics of the proposal is the scalability, which is provided, apart from the use of filtering techniques, through the transmission in multicast networks. In this sense, content delivery is carried out by means of the FLUTE (File Delivery over Unidirectional Transport) protocol, which provides reliability in unidirectional environments through different mechanisms such as AL-FEC (Application Layer Forward Error Correction) codes, used in this paper. Another key characteristic is the context-awareness and personalization of content delivery, which is provided by means of context information, user profiles, and adaptation. The system proposed is validated through several empirical studies. Specifically, the paper presents evaluations of two types that collect objective and subjective measures. The first evaluate the efficiency of the transmission protocol, analyzing how the use of appropriate transmission parameters reduces the download time (and thus increasing the Quality of Experience), which can be minimized by using caching techniques. On the other hand, the subjective measures present a study about the user experience after testing the application and analyze the accuracy of the filtering process/strategy. Results show that using AL-FEC mechanisms produces download times until four times lower than when no protection is used. Also, results prove that there is a code rate that minimizes the download time depending on the losses and that, in general, code rates 0.7 and 0.9 provide good download times for a wide range of losses. On the other hand, subjective measures indicate a high user satisfaction (more than 80 %) and a relevant degree of accuracy of the content adaption.This work is supported in part by the Ministerio de Economia y Competitividad of the Government of Spain under project COMINN (IPT-2012-0883-430000) and by the project PAID/2012/313 from the PAID-05-12 program of the Vicerrectorado de Investigacion of the Universitat Politecnica de Valencia.De Fez Lava, I.; Gil Pascual, M.; Fons Cors, JJ.; Guerri Cebollada, JC.; Pelechano Ferragud, V. (2014). A personalized system for scalable distribution of multimedia content in multicast wireless networks. 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Multimedia delivery in the future internet

The term “Networked Media” implies that all kinds of media including text, image, 3D graphics, audio and video are produced, distributed, shared, managed and consumed on-line through various networks, like the Internet, Fiber, WiFi, WiMAX, GPRS, 3G and so on, in a convergent manner [1]. This white paper is the contribution of the Media Delivery Platform (MDP) cluster and aims to cover the Networked challenges of the Networked Media in the transition to the Future of the Internet. Internet has evolved and changed the way we work and live. End users of the Internet have been confronted with a bewildering range of media, services and applications and of technological innovations concerning media formats, wireless networks, terminal types and capabilities. And there is little evidence that the pace of this innovation is slowing. Today, over one billion of users access the Internet on regular basis, more than 100 million users have downloaded at least one (multi)media file and over 47 millions of them do so regularly, searching in more than 160 Exabytes1 of content. In the near future these numbers are expected to exponentially rise. It is expected that the Internet content will be increased by at least a factor of 6, rising to more than 990 Exabytes before 2012, fuelled mainly by the users themselves. Moreover, it is envisaged that in a near- to mid-term future, the Internet will provide the means to share and distribute (new) multimedia content and services with superior quality and striking flexibility, in a trusted and personalized way, improving citizens’ quality of life, working conditions, edutainment and safety. In this evolving environment, new transport protocols, new multimedia encoding schemes, cross-layer inthe network adaptation, machine-to-machine communication (including RFIDs), rich 3D content as well as community networks and the use of peer-to-peer (P2P) overlays are expected to generate new models of interaction and cooperation, and be able to support enhanced perceived quality-of-experience (PQoE) and innovative applications “on the move”, like virtual collaboration environments, personalised services/ media, virtual sport groups, on-line gaming, edutainment. In this context, the interaction with content combined with interactive/multimedia search capabilities across distributed repositories, opportunistic P2P networks and the dynamic adaptation to the characteristics of diverse mobile terminals are expected to contribute towards such a vision. Based on work that has taken place in a number of EC co-funded projects, in Framework Program 6 (FP6) and Framework Program 7 (FP7), a group of experts and technology visionaries have voluntarily contributed in this white paper aiming to describe the status, the state-of-the art, the challenges and the way ahead in the area of Content Aware media delivery platforms

Service Platform for Converged Interactive Broadband Broadcast and Cellular Wireless

A converged broadcast and telecommunication service platform is presented that is able to create, deliver, and manage interactive, multimedia content and services for consumption on three different terminal types. The motivations of service providers for designing converged interactive multimedia services, which are crafted for their individual requirements, are investigated. The overall design of the system is presented with particular emphasis placed on the operational features of each of the sub-systems, the flows of media and metadata through the sub-systems and the formats and protocols required for inter-communication between them. The key features of tools required for creating converged interactive multimedia content for a range of different end-user terminal types are examined. Finally possible enhancements to this system are discussed. This study is of particular interest to those organizations currently conducting trials and commercial launches of DVB-H services because it provides them with an insight of the various additional functions required in the service provisioning platforms to provide fully interactive services to a range of different mobile terminal types

Delivery of Personalized and Adaptive Content to Mobile Devices:A Framework and Enabling Technology

Many innovative wireless applications that aim to provide mobile information access are emerging. Since people have different information needs and preferences, one of the challenges for mobile information systems is to take advantage of the convenience of handheld devices and provide personalized information to the right person in a preferred format. However, the unique features of wireless networks and mobile devices pose challenges to personalized mobile content delivery. This paper proposes a generic framework for delivering personalized and adaptive content to mobile users. It introduces a variety of enabling technologies and highlights important issues in this area. The framework can be applied to many applications such as mobile commerce and context-aware mobile services

On Content-centric Wireless Delivery Networks

The flux of social media and the convenience of mobile connectivity has created a mobile data phenomenon that is expected to overwhelm the mobile cellular networks in the foreseeable future. Despite the advent of 4G/LTE, the growth rate of wireless data has far exceeded the capacity increase of the mobile networks. A fundamentally new design paradigm is required to tackle the ever-growing wireless data challenge. In this article, we investigate the problem of massive content delivery over wireless networks and present a systematic view on content-centric network design and its underlying challenges. Towards this end, we first review some of the recent advancements in Information Centric Networking (ICN) which provides the basis on how media contents can be labeled, distributed, and placed across the networks. We then formulate the content delivery task into a content rate maximization problem over a share wireless channel, which, contrasting the conventional wisdom that attempts to increase the bit-rate of a unicast system, maximizes the content delivery capability with a fixed amount of wireless resources. This conceptually simple change enables us to exploit the "content diversity" and the "network diversity" by leveraging the abundant computation sources (through application-layer encoding, pushing and caching, etc.) within the existing wireless networks. A network architecture that enables wireless network crowdsourcing for content delivery is then described, followed by an exemplary campus wireless network that encompasses the above concepts.Comment: 20 pages, 7 figures,accepted by IEEE Wireless Communications,Sept.201

Towards Broadcasting Linear Content over 5G Network

Today's society relies heavily on linear television systems with planned programs, which are also a crucial form of communication. Broadcast of liner content is evolving, driven particularly by the evolution of end users’ devices, it is has changed from a small number of linear radio and TV channels to a comprehensive and distinctive offer that is available across a variety of various distribution platforms. Broadcasting linear content over 5G networks involves delivering scheduled, real-time content such as live TV broadcasts, radio programs, or streaming events to a large number of users simultaneously. While 5G networks offer significant advantages in terms of capacity, speed, and latency, there are specific considerations when it comes to broadcasting linear content. hassle cellular networks offering the discontinues services, have been predominantly built on a unicast bidirectional communication paradigm for many years, offering its end customers a variety of services. In this paper, we examine the future 3rd Generation Partnership Project (3GPP) 5G Multicast and Broadcast Services (MBS) standards as well as some of its constraints. We also outline the most recent standardization efforts aimed at bringing non-3GPP broadcast networks into the 5G system, along with the suggestions we have made to standards bodies

Towards Broadcasting Linear Content over 5G Network

Today's society relies heavily on linear television systems with planned programs, which are also a crucial form of communication. Broadcast of liner content is evolving, driven particularly by the evolution of end users’ devices, it is has changed from a small number of linear radio and TV channels to a comprehensive and distinctive offer that is available across a variety of various distribution platforms. Broadcasting linear content over 5G networks involves delivering scheduled, real-time content such as live TV broadcasts, radio programs, or streaming events to a large number of users simultaneously. While 5G networks offer significant advantages in terms of capacity, speed, and latency, there are specific considerations when it comes to broadcasting linear content. hassle cellular networks offering the discontinues services, have been predominantly built on a unicast bidirectional communication paradigm for many years, offering its end customers a variety of services. In this paper, we examine the future 3rd Generation Partnership Project (3GPP) 5G Multicast and Broadcast Services (MBS) standards as well as some of its constraints. We also outline the most recent standardization efforts aimed at bringing non-3GPP broadcast networks into the 5G system, along with the suggestions we have made to standards bodies

Towards Broadcasting Linear Content Over 5G Network

Today's society heavily relies on linear television systems featuring planned programs, which serve as a vital means of communication. The evolution of broadcasting linear content is notably driven by advancements in end users' devices. This transition has expanded it from a limited range of linear radio and TV channels to a comprehensive and distinctive array. This selection is accessible across diverse distribution network types. Among these networks, the prominence of the 5G network stands out as a notable platform for media and transmissions. Transmitting linear content over 5G networks involves efficiently delivering scheduled, real-time content to a large number of users simultaneously. This content encompasses live TV broadcasts, radio programs, and streaming events. While 5G networks offer significant advantages in capacity, speed, and latency, it's essential to consider specific factors when it comes to broadcasting linear content. Traditionally, cellular networks, designed for continuous service, have predominantly followed a unicast bidirectional communication paradigm for numerous years, providing a range of services to customers. This paper employs a research methodology to examine the future 3rd Generation Partnership Project (3GPP) 5G Multicast and Broadcast Services (MBS) standards, along with their constraints. Our approach includes a comprehensive literature review, technical specification analysis, and comparison of different broadcasting technologies within the 5G framework. By employing this research methodology, we gain a holistic understanding of the evolving landscape of broadcasting linear content over 5G networks. This contributes to the body of knowledge in this field and informs future advancements in broadcast technologies within the 5G ecosystem

The simplicity project: easing the burden of using complex and heterogeneous ICT devices and services

As of today, to exploit the variety of different "services", users need to configure each of their devices by using different procedures and need to explicitly select among heterogeneous access technologies and protocols. In addition to that, users are authenticated and charged by different means. The lack of implicit human computer interaction, context-awareness and standardisation places an enormous burden of complexity on the shoulders of the final users. The IST-Simplicity project aims at leveraging such problems by: i) automatically creating and customizing a user communication space; ii) adapting services to user terminal characteristics and to users preferences; iii) orchestrating network capabilities. The aim of this paper is to present the technical framework of the IST-Simplicity project. This paper is a thorough analysis and qualitative evaluation of the different technologies, standards and works presented in the literature related to the Simplicity system to be developed