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Measuring QoS Metrics in Femto/Macro Cellular Networks with CAC Policy

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Abstract

Due to the growing importance of deploying femtocell technology in the current mobile network operators, data traffic processing and handover (HO) management in such networks are challenging issues. Consequently, due to the mobility of femto users between indoor and outdoor environments, the HO traffic interplay between macrocell and femtocells should be addressed, by determining accurate HO rate and actual channel holding time. Classical methods for data traffic process and HO management cannot directly apply in such network. In this paper, we propose an adaptive call admission control (CAC) policy based on a pre-reservation (PR) area as well as we employ the concept of adaptive reserved channel to accomplish quality of service (QoS) requirements for handover traffic requests. A teletraffic model based on queuing theory and Markov chains will allow us to evaluate and quantify QoS metrics performance of the proposed scheme. The numerical results reveal that the benefits of femtocell technology integration with the current macrocellular mobile networks, especially in reducing the traffic loads of macrocell in terms of minimizing blocking probability.

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Authors and Affiliations

  1. The Department of Electronics and Electrical Communications, Faculty of Electronic Engineering, Menoufia University, Menouf, 32952, Egypt

    Saied M. Abd El-atty

  2. The Department of Mathematics, Faculty of Science, Al-Azhar University, Nasr City, Cairo, 11884, Egypt

    Z. M. Gharsseldien

  3. The Department of Computer Science and Information, Arts and Science College, Prince Sattam Bin Abdulaziz University (Salman Bin Abdulaziz University), Wadi Adwassir, Riyadh, 054-11991, Saudi Arabia

    Saied M. Abd El-atty

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  1. Saied M. Abd El-atty
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  2. Z. M. Gharsseldien
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Correspondence to Saied M. Abd El-atty.

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Abd El-atty, S.M., Gharsseldien, Z.M. Measuring QoS Metrics in Femto/Macro Cellular Networks with CAC Policy. Int J Wireless Inf Networks 22, 240–251 (2015). https://doi.org/10.1007/s10776-015-0270-3

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  • DOI: https://doi.org/10.1007/s10776-015-0270-3

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