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Wireless Body Sensor Networks (WBSNs) have recently received a lot of research interests due to their wide applications in healthcare, security, sports and entertainment. Accurate WBSNs localization is a fundamental problem to be overcome to enable the development of effective location-aware applications. This paper introduces and investigates the performance of WBSN localization algorithms using...
In this paper, we describe an adaption of prioritised medium access techniques for high-precision real-time tracking applications in ultra wideband (UWB) low data rate (LDR) wireless networks. In comparison with classical time division multiple access (TDMA) schemes, the proposed uncoordinated distributed prioritised solution is compliant with critical tracking requirements in large-scale networks...
This paper deals with Medium Access Control (MAC) techniques adapted to location applications in Ultra Wideband (UWB) Low Data Rate (LDR) wireless networks for which low power consumption, low complexity location and relaying capabilities are identified as critical features. In comparison with the IEEE 802.15.4 MAC, the proposed solution is completely described by the use of self-contained beacons...
In this paper, we evaluate the performance of impulse radio-ultra wideband (IR-UWB) communications at the physical layer (PHY) level in a multi-user low data rate (LDR) context. Focusing more specifically on the IEEE 802.15.4a standard, this study aims at characterizing and quantifying the potential interference effects resulting from simultaneous competing transmissions. For the sake of simplicity,...
This paper details the medium access control (MAC) layer designed in the PULSERS project for low data rate (LDR) systems, whose main features are low power consumption, low complexity location and relaying capabilities. The MAC developed in PULSERS is based on the IEEE 802.15.4 standard, which, in spite of many virtues, is not the ideal solution for the targeted UWB applications. Thus, the MAC implemented...
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