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Contention resolution multiple access techniques for handling speech and data traffic on wireless networks

  • Fulvio Babich
Keynote Paper Session XII: Random Access
Part of the Lecture Notes in Computer Science book series (LNCS, volume 783)

Abstract

We propose a methodology for applying contention resolution multiple access techniques on a slotted and framed radio channel. The proposed techniques are able to handle the access of a mixed class of users, one consisting of a dynamic set of speech users whose information must respect strict delay limitations, the other including a population of users which generate a random traffic. The proposed techniques “decouple” the speech access procedure from the data access procedure. It follows that speech access performances do not depend on actual data load. Random traffic access performances are optimised for the Poisson user model. We also propose a multiple access technique for handling multi-rate traffic. The proposed technique permits to implement prioritised access policies and selective packet discarding. If speech users employ coding schemes that separate information components by significance, this technique can be used to drop less significant information.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1994

Authors and Affiliations

  • Fulvio Babich
    • 1
  1. 1.DEEI - Dipartimento di ElettrotecnicaElettronica e Informatica Università di TriesteTriesteItaly

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