On the performance of shared access control strategy for femtocells

Amer M. Magableh, Redha Mahmoud Radaydeh, Mohamed-Slim Alouini

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

Femtocells can be employed in cellular systems to enhance the indoor coverage, especially in the areas with high capacity growing demands and high traffic rates. In this paper, we propose an efficient resource utilization protocol, named as shared access protocol (SAP), to enable the unauthorized macrocell user equipment to communicate with partially closed-access femtocell base station to improve and enhance the system performance. The system model considers a femtocell that is equipped with a total of N separated antennas or channels to multiplex independent traffic. Then, a set of N1 channels is used for closed access only by the authorized users, and the remaining set of channel resources can be used for open access by either authorized or unauthorized users upon their demands and spatial locations. For this system model, we obtain the signal-to-interference ratio characteristics, such as the distribution and the moment generating function, in closed forms for two fading models of indoor and outdoor environments. The signal-tointerference ratio statistics are then used to derive some important performance measures of the proposed SAP in closed form, such as the average bit error rate, outage probability, and average channel capacity for the two fading models under consideration. Numerical results for the obtained expressions are provided and supported by Monte Carlo simulations to validate the analytical development and study the effectiveness of the proposed SAP under different conditions. Copyright © 2012 John Wiley and Sons, Ltd.
Original languageEnglish (US)
Pages (from-to)244-256
Number of pages13
JournalEuropean Transactions on Telecommunications
Volume24
Issue number2
DOIs
StatePublished - Feb 18 2013

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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