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Zanella, Andrea (2008) A complete mathematical framework for the performance analysis of Bluetooth in Fading Channels. [Technical Report] (Inedito)

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Abstract (english)

The Bluetooth v2.0+EDR specifications introduce the Enhanced Data Rate (EDR) mode, which permits transmission
rates of 2 Mbps and 3 Mbps at the baseband layer. The introduction of EDR schemes enables Bluetooth
to support traffic—intensive services, including multimedia applications, bulk data transfers, interactive gaming and
so on. However, the actual potentiality of EDR schemes has not been investigated yet.
In this technical report, we present a mathematical framework that permits a detailed performance analysis
of Bluetooth EDR data connections in fading channels. Conversely to most part of the literature, we distinguish
between the transmission of useful and duplicate frames, which are handled in a different manner by the receiving
unit. To this end, we define a two—state Markov Chain and we apply the renewal reward theory to determine the
expressions of the throughput, energy efficiency and delay performance of the link.
As a proof of concept, we present an accurate performance analysis of an asymmetric Bluetooth connection in
typical propagation environments. The analysis reveals that best performance are (almost) always obtained by using
the longest baseband frames transmitted at 2 Mbps in the low—to—medium signal—to—noise ratio (SNR) region, and
at 3 Mbps in the high SNR region. Furthermore, we observed that it is more fruitful assigning the master role to
the destination unit rather than to the source node.
The model, hence, provides useful indications for the design of advanced segmentation and reassembly strategies
and proves to be a valuable tool to gain insights on the aspects that have a major impact on the system performance.

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EPrint type:Technical Report
Anno di Pubblicazione:08 January 2008
Key Words:Bluetooth, EDR, model, energy, throughput, delay, performance
Settori scientifico-disciplinari MIUR:Area 09 - Ingegneria industriale e dell'informazione > ING-INF/03 Telecomunicazioni
Struttura di riferimento:Dipartimenti > Dipartimento di Ingegneria dell'Informazione
Codice ID:176
Depositato il:10 Jan 2008
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