Preamble Sense Multiple Access (PSMA) for Impulse Radio Ultra Wideband Sensor Networks

  • Jussi Haapola
  • Leonardo Goratti
  • Isameldin Suliman
  • Alberto Rabbachin
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4017)


In this paper we propose preamble sense multiple access (PSMA), a random access MAC protocol capable of clear channel assessment in impulse radio-ultra wideband environment. Full compatibility with IEEE 802.15.4a contention access period is the key design criteria of PSMA, and the goal is to provide an alternative approach to the 802.15.4a envisioned slotted ALOHA and periodic preamble segment transmission schemes. The evaluation of PSMA consists of a traditional throughput analysis as well as energy consumption and delay analysis that takes into account the special features of impulse radio ultra wideband approach. From the analysis we can claim that PSMA has a very good energy and delay performance in addition to satisfactory throughput when the offered traffic to the channel is from low to moderate.


Time Slot Medium Access Control Medium Access Control Protocol Federal Communication Commission Wireless Body Area Network 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Jussi Haapola
    • 1
  • Leonardo Goratti
    • 1
  • Isameldin Suliman
    • 1
  • Alberto Rabbachin
    • 1
  1. 1.Centre for Wireless Coomunications (CWC)University of OuluOuluFinland

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