MAC Location Services for IEEE802.11 Networks

Nepi, A. Di; Massaro, Giuseppe; Carli, Marco; Neri, Alessandro

doi:10.1109/icniconsmcl.2006.139

Cited by 2 publications

(4 citation statements)

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“…The performances of the localization services protocol have been investigated by analyzing, at first, the maximum number of MTs that can be served with a predefined fraction of the throughput, [6]. At this aim, we observe that, in the worst case, the time interval necessary to poll a user at the maximum distance r max , to broadcast a location packet and then to calculate the user position, as: .…”

Section: Protocol Performancementioning

confidence: 99%

“…Several methods designed for IEEE 802.11, Bluetooth, and RFID networks estimate the MT distance based on the strength of the signals received by each reference node [6][7][8][9]. However, these techniques perform rather poorly, since in complex environments the received signal is prone to fading induced by multipath.…”

Section: Wlan Localization Service Architecturementioning

confidence: 99%

“…Basically, compared to the protocol proposed by the authors in [6], we introduce a localization protocol that use either TOA (Time Of Arrival) or DOA (Direction Of Arrival) measurements. A set of nodes, defined in Sect.…”

Section: Introductionmentioning

confidence: 99%

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DOA and TOA Based Localization Services Protocol in IEEE 802.11 Networks

Neri

Nepi

Vegni

2009

Wireless Pers Commun

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In this paper we introduce an innovative technique for localization services in IEEE 802.11 networks. We introduce a localization protocol that can make use of either Time Of Arrival or Direction Of Arrival measurements. The proposed architecture integrates the classical Basic Service Set topology with a set of Location Service Support nodes, that measure those parameters related to a pre-selected localization algorithm. A fast and accurate Time Of Arrival estimator, operating directly on the output of the OFDM demodulator, is also presented. The whole procedure has been designed with the intent of weaken the requirements on temporal synchronization among nodes, at the expenses of a small increase in the protocol overhead and a small accuracy loss

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Section: Protocol Performancementioning

confidence: 99%