Throughput Analysis of IEEE 802.11e Wireless LANs and Efficient Block Ack Mechanism(Wireless Communication Technologies)

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概要

• 論文の詳細を見る

• In the recent draft of the 802.l1e MAC [2], the Hybrid Coordinator (HC) gives transmission opportunity (TXOP) for a station to transmit burst frames in TXOP for improving throughput efficiency. In this paper, we express the expected throughput for the Block Ack policy in Polled TXOP as a closed form function of the number of burst MSDUs, the number of fragmented MPDUs, the data payload length, the frame retry count, the wireless channel condition, and the selected PHY mode. Based on our simulation study and analysis, we show that the TXOP and proper Ack policy can enhance system performance, and that there are the Block Ack efficient block size and frame length to transmit the burst frames for each PHY mode. Moreover, we also show that when the Block Ack mechanism is combined with link adaptation, it has better throughput performance.

• 社団法人電子情報通信学会の論文
• 2005-01-01

著者

• Park Sin-chong

  System Integration Technology Institute Information And Communication University

• Yoo Hyung-joun

  System Integration Technology Institute Information And Communications University

• LEE Il-Gu

  System Integration Technology Institute, Information and Communications University

• Lee Il-gu

  System Integration Technology Institute Information And Communications University

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