Iterative multiuser detection of a multiple access FSK system

Dieter M. Arnold, Christian Schlegel, Lance C. Perez

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

Abstract

The performance of a collision frequency shift keying system (CFSK) multiple access system is investigated. In CFSK two or more users can simultaneously transmit the same frequency resulting in a collision. A new iterative consensus decoder, the maximum a posteriori consensus decoder, is formulated and the performance investigated in the presence of noise. In this decoder, each user uses a maximum a posteriori decoding algorithm to calculate the probability that they transmitted each of the frequencies. The resulting probability distributions are then shared among the users and refined by iteration. This decoder is based on the derivation of a metric for the noisy CFSK channel. Simulation results demonstrate the efficacy of the new decoder.

Original languageEnglish (US)
Title of host publicationProceedings - 1997 IEEE International Symposium on Information Theory, ISIT 1997
Pages319
Number of pages1
DOIs
StatePublished - 1997
Event1997 IEEE International Symposium on Information Theory, ISIT 1997 - Ulm, Germany
Duration: Jun 29 1997Jul 4 1997

Publication series

NameIEEE International Symposium on Information Theory - Proceedings
ISSN (Print)2157-8095

Conference

Conference1997 IEEE International Symposium on Information Theory, ISIT 1997
CountryGermany
CityUlm
Period6/29/977/4/97

ASJC Scopus subject areas

  • Theoretical Computer Science
  • Information Systems
  • Modeling and Simulation
  • Applied Mathematics

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    Arnold, D. M., Schlegel, C., & Perez, L. C. (1997). Iterative multiuser detection of a multiple access FSK system. In Proceedings - 1997 IEEE International Symposium on Information Theory, ISIT 1997 (pp. 319). [613245] (IEEE International Symposium on Information Theory - Proceedings). https://doi.org/10.1109/ISIT.1997.613245