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A hidden Markov based end-to-end architecture to measure, model, emulate, and estimate wireless access network characteristics

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5 Author(s)
Guzelarslan, B. ; Dept. of Electr. Eng. & Inf. Technol., Munich Univ. of Appl. Sci., Munich, Germany ; Struck, S. ; Dippold, M. ; Paul, M.
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In this paper a novel architecture to measure, model, emulate, and estimate wireless access network characteristics is presented. For these purposes layer-2 block error patterns, which are very significant for the present channel state, are measured, modelled, and stored in a database. This database can be used to estimate the actual channel state or to emulate a certain radio link, which is illustrated by two end-to-end applications in a UMTS radio link: MobQoS, a quality tool to qualify the link by reverse estimation of the channel state, and Airem, a new radio channel emulator. The topology of the whole architecture is technology independent. In order to support different access technologies the system has to be trained accordingly.

Published in:

Ultra Modern Telecommunications and Control Systems and Workshops (ICUMT), 2011 3rd International Congress on

Date of Conference:

5-7 Oct. 2011