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Ruben Merz' Publications

Effect on Network Performance of Common versus Private Acquisition Sequences for Impulse Radio UWB Networks
Citation key MLV-ENPCPASIRUWBN-06
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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