Smoothing Streams in an In-Home Digital Network: Optimization of Bus and Buffer Usage |
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Authors: | den Boef Edgar Verhaegh Wim FJ Korst Jan |
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Affiliation: | (1) Philips Research Laboratories, Prof. Holstlaan 4, 5656 AA Eindhoven, The Netherlands, and |
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Abstract: | In an in-home digital network it may be expected that several data streams (audio, video) run simultaneously over a shared
communication device, e.g., a bus. The burstiness of a data stream can be reduced by buffering data at the sending and receiving
side, thereby allowing a lower bus share allocation for the stream. In this paper we present an algorithm that determines
how much of the bus capacity and buffer space should be allocated to each stream, in order to have a feasible transmission
schedule for each stream. Furthermore, the algorithm determines a transmission schedule for each stream, indicating how much
data is transmitted over time. We show how this multiple-stream problem can be solved by repeatedly solving single-stream
problems. We present efficient algorithms to solve these single-stream problems. Furthermore, we present some experimental
results.
This revised version was published online in September 2006 with corrections to the Cover Date. |
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Keywords: | in-home digital network resource management bandwidth smoothing buffer transmission schedule |
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