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Dynamic bandwidth allocation in DVB-T networks providing IP services

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3 Author(s)
Gardikis, G. ; Mobile Radiocommun.s Lab., Nat. Tech. Univ. of Athens, Greece ; Kourtis, A. ; Constantinou, Philip

The combination of high capacity, signal robustness, and worldwide acceptance have made digital terrestrial broadcasting (DVB-T) one of today's more promising technologies, while newly adopted standards support the integration of digital television programs and data services within a single multiplex, offered to both stationary and mobile end users. The paper addresses the issue of optimal bit rate allocation among DTV and IP services within the DVB-T multiplex, and demonstrates a novel configuration providing real-time sharing of the available bandwidth via an algorithm based on service hierarchy and perceptual quality assessment. The architecture and performance of a fully functional DVB-T testbed developed on this concept is also presented.

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Broadcasting, IEEE Transactions on  (Volume:49 ,  Issue: 3 )