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Synchronization Architecture for Multimedia Services in Mobile Radio Environments

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Abstract

The management of multimedia teleservices inthird-generation mobile radio environments is achallenging task due to the multicomposite andmultirequirement nature of this kind of traffic.Following the choice of carrying multimedia information onmultiple bearers over the air interface of a wirelesspersonal communication system, and after the selectionof a TDMA-like multiple access protocol based on the bandwidth reservation, the system isrequired to provide for an interstream synchronizationamong components of the multimedia service. This paperpresents an architecture for guaranteeing that temporal relationships among components at thetransmitter side can be maintained, after crossing theair interface, at the receiver side, regardless ofdifferent bearers' delay constraints and delays sufferedin the buffer of the base station. The attentionis focused on a kind of “rough”synchronization to be performed on the system MAC leveland refined by higher protocol layers. Static anddynamic priorities concepts are exploited to achieve the targetsynchronization degree among components. Simulationresults, carried out in a case of a video-audioconnection, confirm the effectiveness of the proposedmechanism.

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Authors
  1. Antonio Iera
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  2. Salvatore Marano
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  3. Antonella Molinaro
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Iera, A., Marano, S. & Molinaro, A. Synchronization Architecture for Multimedia Services in Mobile Radio Environments. International Journal of Wireless Information Networks 4, 233–247 (1997). https://doi.org/10.1023/A:1018820208747

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  • DOI: https://doi.org/10.1023/A:1018820208747

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