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Wireless Networks

, Volume 24, Issue 2, pp 423–437 | Cite as

Resource allocation algorithm for LTE networks using fuzzy based adaptive priority and effective bandwidth estimation

  • Diego Cruz AbrahãoEmail author
  • Flávio Henrique Teles Vieira
Article

Abstract

In this paper, we propose a scheme to allocate resource blocks for the Long Term Evolution (LTE) downlink based on the estimation of the effective bandwidths of traffic flows, where users’ priorities are adaptively computed using fuzzy logic. The effective bandwidth of each user traffic flow that is estimated through the parameters of the adaptive β-Multifractal Wavelet Mode modeling, is used to attain their quality of service (QoS) parameters. The proposed allocation scheme aims to guarantee the QoS parameters of users respecting the constraints of modulation and code schemes (modulation and coding scheme) of the LTE downlink transmission. The proposed algorithm considers the average channel quality and the adaptive estimation of effective bandwidth to decide about the scheduling of available radio resources. The efficiency of the proposed scheme is verified through simulations and compared to other algorithms in the literature in terms of parameters such as: system throughput, required data rate not provided, fairness index, data loss rate and network delay.

Keywords

LTE Scheduling Fuzzy QoS Bandwidth effective Modeling βMWM 

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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  • Diego Cruz Abrahão
    • 1
    Email author
  • Flávio Henrique Teles Vieira
    • 1
  1. 1.School of Electrical, Mechanical and Computer EngineeringFederal University of GoiásGoiâniaBrazil

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