Achievable rate regions of cognitive multiple access channel with sensing errors

Gozde Ozcan, M. Cenk Gursoy

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

1 Scopus citations

Abstract

In this paper, a cognitive multiple access channel in which the secondary transmitters seek to communicate with a common secondary receiver is considered. Before data transmission, it is assumed that cooperative spectrum sensing is performed with possible errors. For this channel, achievable rate regions are initially derived under two scenarios depending on how secondary transmitters access the channel. In the first scenario, secondary users can send data under both busy and idle sensing decisions by adapting the energy level of the transmitted signals according to the sensing result. In the second scenario, the secondary transmitters are not allowed to perform data transmission if the channel is sensed as busy. Subsequently, the performance in the low-power regime is analyzed by characterizing minimum energy per bit and slope regions in these scenarios. The impact of channel sensing performance (e.g., the probabilities of detection and false alarm, channel sensing duration) on achievable rate region, energy efficiency and slope region considering both scenarios are investigated.

Original languageEnglish (US)
Title of host publication2013 IEEE International Symposium on Information Theory, ISIT 2013
Pages1660-1664
Number of pages5
DOIs
StatePublished - Dec 19 2013
Event2013 IEEE International Symposium on Information Theory, ISIT 2013 - Istanbul, Turkey
Duration: Jul 7 2013Jul 12 2013

Publication series

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

Other

Other2013 IEEE International Symposium on Information Theory, ISIT 2013
CountryTurkey
CityIstanbul
Period7/7/137/12/13

Keywords

  • Achievable rate region
  • channel sensing
  • energy efficiency
  • multiple access channel
  • probability of detection
  • probability of false alarm
  • slope region

ASJC Scopus subject areas

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

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  • Cite this

    Ozcan, G., & Gursoy, M. C. (2013). Achievable rate regions of cognitive multiple access channel with sensing errors. In 2013 IEEE International Symposium on Information Theory, ISIT 2013 (pp. 1660-1664). [6620509] (IEEE International Symposium on Information Theory - Proceedings). https://doi.org/10.1109/ISIT.2013.6620509