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Publications by Type: Conference and Workshop Publications

see also conference papers, workshop papers, demos, and posters. (under construction)

Effect on Network Performance of Common versus Private Acquisition Sequences for Impulse Radio UWB Networks
Author Merz, Ruben and Le Boudec, Jean-Yves and Vijayakumaran, Saravanan
Title of Book IEEE International Conference on Ultra-Wideband (ICUWB 2006)
Pages 375–380
Year 2006
ISBN 1-4244-0101-1
DOI http://dx.doi.org/10.1109/ICU.2006.281579
Location Waltham, MA
Month September
Abstract Packet detection and timing acquisition for IR-UWB networks such as 802.15.4a relies on the presence of an acquisition sequence (or preamble) at the beginning of each packet. A simple network design choice is to use a common acquisition sequence for the whole network. A second design choice is to use an acquisition sequence private to destinations. It potentially yields a larger network throughput, but requires additional complexity for sources to learn the acquisition sequence of their destination. In this paper, we evaluate the effect of a common or private acquisition sequence on the network throughput. Our analysis is based on analytical modeling and simulations. We show that a private acquisition sequence yields a substantial increase in throughput. The throughput difference grows with the number of concurrent transmitters and interferers. We also show the presence of a compounding effect similar to the exposed terminal issue in 802.11 networks.
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