Token Based Fair Queuing Algorithms for Wireless Networks

Provided by: Creative Commons
Topic: Enterprise Software
Format: PDF
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. The authors 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.

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