Token Based Fair Queuing Algorithms for Wireless Networks
Journal Title: International Journal of Science Engineering and Advance Technology - Year 2014, Vol 2, Issue 4
Abstract
Token Based Fair Queuing (TBFQ) algorithm has been proposed for single carrier Time Division Multiple Access (TDMA) systems, to suit WINNER Orthogonal Frequency Division Multiple Access (OFDMA) air-interface. This algorithm takes Quality of Service (QoS) attributes such as priorities, interflow fairness, and time bound constraints into account. We use a token-based scheduler to determine which packet should be scheduled to transmit in the next frame. By selecting the user terminals (UTs) in a certain prioritized manner derived from QoS attributes, the performance of the UTs, suffering from high interference, can be improved. In This paper, TBFQ algorithm has been simulated in a multicell environment in the presence of intercell interference by comparing with reference Score Based (SB) algorithm. The simulation results show that the presented algorithm provide a better fairness at a lower implementation at all level implementation complexity while simultaneously achieving comparable network utilization by considering time bound associated to particular packets.
Authors and Affiliations
Ravindra R Patil| Assistant Professor, CSE, Sir M. Visvesvaraya Institute of technology, Bngalore-562157
Keywords
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