Estimação de Backlog e Retardo em Sistemas OFDM/TDMA com Policiamento de Tráfego Através do Cálculo de Rede (Estimation of Backlog and Delay in OFDM/ TDMA Systems with Traffic Policing Through Network Calculus)

Josemar Alves Santos Junior (josemarjr@gmail.com)1, Flávio Henrique Teles Vieira (flavio@eee.ufg.br)2


1Instituto Federal de Goiás (IFG)
2Universidade Federal de Goiás

This paper appears in: Revista IEEE América Latina

Publication Date: March 2015
Volume: 13,   Issue: 3 
ISSN: 1548-0992


Abstract:
In this paper, we firstly propose a policing algorithm based on multifractal traffic modeling, evaluating its performance in comparison to other algorithms. Further, we present an approach based on Network Calculus for estimating quality of service parameters, such as mean queue length (backlog) and delay. We analyze these two parameters for an OFDM/TDMA based simplified Wimax system with and without the application of traffic modeling based policing algorithms. We also evaluate the performance of the proposed algorithm in policing the traffic in an OFDM / TDMA system.

Index Terms:
Network Calculus, Policing algorithms, Network traffic.   


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