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- W1593431908 abstract "Mobile TV is growing beyond the stage of experimentation and evaluation and is (about) to become part of our daily lives. Additionally, it is being delivered through heterogeneous networks and to a variety of receiving devices, which implies different versions of one and the same video content must be transported. We propose two (approximate) analytic methods for capacity demand estimation in a (mobile) TV broadcast system. In particular, the methods estimate the required transport capacity for a bouquet of channels offered on request and in different versions (video formats or in different quality) over a multicast-enabled network, encoded in non-constant bit rate targeting constant quality. We compare a transport strategy where the different versions (of one channel) are simulcast to a scalable video encoding (SVC) transport strategy, where all resolutions (of one channel) are embedded in one flow. In addition, we validate the proposed analytic methods with simulations. A realistic mobile TV example is considered with two transported resolutions of the channels: QVGA and VGA. We demonstrate that not always capacity gain is achieved with SVC as compared to simulcast since the former comes with some penalty rate and the gain depends on the system parameters." @default.
- W1593431908 created "2016-06-24" @default.
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- W1593431908 date "2009-01-01" @default.
- W1593431908 modified "2023-09-27" @default.
- W1593431908 title "Models for Capacity Demand Estimation in a TV Broadcast Network with Variable Bit Rate TV Channels" @default.
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- W1593431908 doi "https://doi.org/10.1007/978-3-642-04576-9_1" @default.
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