نتایج جستجو برای: digital video broadcasting
تعداد نتایج: 481335 فیلتر نتایج به سال:
The use of DVB-S and DVB-RCS for conducting two-way communications from small satellite terminals has become well established in Europe and elsewhere. During the development of DVB-RCS the possibility of limited use for satellite terminals that were moving was considered in January 2004 and incorporated into the Guideline document associated with the Standard in April 2005. It was noted, howeve...
This paper is concerned with the analysis of adjacent channel interference of the Long Term Evolution (LTE) mobile system operating in the Digital Dividend into Digital Video Broadcasting – Terrestrial (DVB–T) system. Field measurements in the real LTE network have been conducted in order to define the most significant scenarios and for each of these, Protection Ratios have been quantified. Var...
Broadcasting protocols can lower the cost of video-ondemand services by more efficiently distributing all videos that are simultaneously watched by many viewers. The most efficient broadcasting protocols require a customer settop box capable of capturing data from five to seven video channels at the same time. We show how to modify existing broadcasting protocols so that their client bandwidth ...
Convergence of digital video broadcasting networks and IP wireless networks represents undoubtedly the main evolution in next generation of services combining one-way digital television and interactive Internet applications. This cross-industry synergy is jointly driven by the tremendous growing interest to Internet services and the planned adoption of the Digital Switch Over (DSO) in UHF, enab...
With the growth of broadband networks, Video-on-Demand (VoD) has become realistic. Many significant broadcasting schemes have been proposed to reduce the viewers’ waiting time. However, clients are required to receive video segments altogether from all channels. This disregard not only needs a lot of client bandwidth, but also incurs more buffer requirements. To escape from these constraints, t...
Since digital radio broadcasting techniques can give highly enhanced performance and quality (e.g. CD like audio quality, single frequency network, slide show, etc), many countries pay attention to converting their analog radio broadcasting services into digital services. In Korea, to digitize radio broadcasting service, various trials have been executed since 2009 [1]-[2]. This paper deals wit...
This work presents a broadcasting protocol for interactive video-on-demand service. The proposed broadcasting allows the user to play the video-cassette-recorder (VCR) functions which includes the limited fast-forwarding capability. Consider a film S is divided into n equal parts {S1, S2, ..., Sn} and played through k channels. The user simultaneously downloads the film segments from k channels...
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