A polling scheme of TXOP using knapsack algorithm in wireless LAN

Authors:
Jinhyo Park;Keuchul Cho;Minho Choi;Byeongjik Lee;Byunghwa Lee;Kihyun Kim;Kijun Han
Affiliations:
Department of Computer Engineering, Kyungpook National University, Daegu, Korea;Department of Computer Engineering, Kyungpook National University, Daegu, Korea;Department of Computer Engineering, Kyungpook National University, Daegu, Korea;Department of Computer Engineering, Kyungpook National University, Daegu, Korea;Department of Computer Engineering, Kyungpook National University, Daegu, Korea;Department of Computer Engineering, Kyungpook National University, Daegu, Korea;Department of Computer Engineering, Kyungpook National University, Daegu, Korea
Venue:
EC'07 Proceedings of the 8th Conference on 8th WSEAS International Conference on Evolutionary Computing - Volume 8
Year:
2007

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Abstract

The admission control mechanism developed for wireless LAN, HCCA (hybrid coordination function controlled channel access) is not adaptable to variable bit rate (VBR) traffic since it considers only the mean data rate and packet size for scheduling. In my paper, we propose a transmission opportunity (TXOP) allocation scheme by using a knapsack algorithm. Proposal results show that our scheme offers higher channel utilization than the wireless LAN standard.