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BROADNETS
2007
IEEE

TCP dynamics over IEEE 802.11E WLANs: Modeling and throughput enhancement

9 years 10 months ago
TCP dynamics over IEEE 802.11E WLANs: Modeling and throughput enhancement
— Today, IEEE 802.11 Wireless LAN (WLAN) has become a prevailing solution for broadband wireless Internet access while Transport Control Protocol (TCP) is the dominant transport protocol in the Internet. It is known that, in an infrastructure-based WLAN with multiple stations carrying long-lived TCP flows, the number of stations that are actively contending to access the channel is very small. Therefore, the aggregate TCP throughput is basically independent of the total number of stations. This phenomenon is due to the closed-loop nature of TCP flow control and the bottleneck downlink (i.e., AP-to-station) transmissions in infrastructure-based WLANs. In the emerging Enhanced Distributed Channel Access (EDCA)-based IEEE 802.11e WLANs, with a proper configuration, packet congestion at the bottleneck downlink could be alleviated since the AP and stations are allowed to use different channel access parameters. In this paper, we first conduct a rigorous, comprehensive analysis of the ...
Jeonggyun Yu, Sunghyun Choi, Daji Qiao
Added 02 Jun 2010
Updated 02 Jun 2010
Type Conference
Year 2007
Where BROADNETS
Authors Jeonggyun Yu, Sunghyun Choi, Daji Qiao
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