Analytical modeling of cognitive heterogeneous cellular networks over Nakagami-m fading

Fereidoun H. Panahi, Tomoaki Ohtsuki

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

In this paper, we present a cognitive radio (CR)-based statistical framework for a two-tier heterogeneous cellular network (femto-macro network) to model the outage probability at any arbitrary secondary (femto) and primary (macro) user. A system model based on stochastic geometry (utilizing the spatial Poisson point process (PPP) theory) is applied to model the random locations and network topology of both secondary and primary users. A considerable performance improvement can be generally achieved by mitigating interference in result of applying the CR idea over the above model. Novel closed-form expressions are derived for the outage probability of any typical femto and macro user considering the Nakagami-m fading for each desired and interference links. We also study some important design factors which their important role in the determination of outage and interference cannot be ignored. We conduct simulations to validate our analytical results and evaluate the proposed schemes in terms of outage probability for different values of signal-to-interference-plus-noise-ratio (SINR) target.

Original languageEnglish
JournalEurasip Journal on Wireless Communications and Networking
Volume2015
Issue number1
DOIs
Publication statusPublished - 2015 Dec 1

Fingerprint

Fading (radio)
Outages
Macros
Cognitive radio
Topology
Geometry

Keywords

  • Cognitive radio
  • Outage probability
  • Stochastic geometry

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Signal Processing
  • Computer Science Applications

Cite this

Analytical modeling of cognitive heterogeneous cellular networks over Nakagami-m fading. / Panahi, Fereidoun H.; Ohtsuki, Tomoaki.

In: Eurasip Journal on Wireless Communications and Networking, Vol. 2015, No. 1, 01.12.2015.

Research output: Contribution to journalArticle

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