Block-Poll Coordination Function for Improving Throughput Performance in Wireless Lans

IEEE 802.11 DCF shows the inefficient throughput performance, due to the large backoff and collision overheads. We propose the block-poll coordination function (BCF) to reduce the backoff and collision overheads, thus increasing the aggregate throughput. By introducing a new Block-poll frame which i...

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Hauptverfasser:	Yongsub Nam, Jiho Ryu, Nakjung Choi, Taekyoung Kwon, Yanghee Choi
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Sprache:	eng
Schlagworte:	Access protocols Aggregates Analytical models Computer science Degradation Delay Local area networks Throughput Time division multiple access Wireless LAN
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creator	Yongsub Nam Jiho Ryu Nakjung Choi Taekyoung Kwon Yanghee Choi
description	IEEE 802.11 DCF shows the inefficient throughput performance, due to the large backoff and collision overheads. We propose the block-poll coordination function (BCF) to reduce the backoff and collision overheads, thus increasing the aggregate throughput. By introducing a new Block-poll frame which includes a polling bitmap, each station can decide its transmission order, so that the channel access emulates TDMA. In addition, by dividing the polling bitmap into several chunks and transmitting only the changed chunks, the polling overhead can be reduced. The simulation and analysis results show the proposed protocol achieves higher throughput than IEEE 802.11 DCF, while reducing the average delay and the delay jitter values
doi_str_mv	10.1109/ICCS.2006.301502
format	Conference Proceeding
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We propose the block-poll coordination function (BCF) to reduce the backoff and collision overheads, thus increasing the aggregate throughput. By introducing a new Block-poll frame which includes a polling bitmap, each station can decide its transmission order, so that the channel access emulates TDMA. In addition, by dividing the polling bitmap into several chunks and transmitting only the changed chunks, the polling overhead can be reduced. The simulation and analysis results show the proposed protocol achieves higher throughput than IEEE 802.11 DCF, while reducing the average delay and the delay jitter values</abstract><pub>IEEE</pub><doi>10.1109/ICCS.2006.301502</doi><tpages>5</tpages></addata></record>
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subjects	Access protocols Aggregates Analytical models Computer science Degradation Delay Local area networks Throughput Time division multiple access Wireless LAN
title	Block-Poll Coordination Function for Improving Throughput Performance in Wireless Lans
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