tcp - ip flows ieee 802.11
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Improving the Performance of TCP in the Presence of Interacting UDP Flows in Ad Hoc Networks
White Paper The problem addressed is that the throughput of TCP flows degrades severely in the presence of heavily loaded UDP flows. Backpressure improves the performance of TCP flows in the presence of heavy UDP flows. [15 Jan 2008]
Impact of 802.11e EDCA on Mixed TCP-Based Applications
White Paper Recent work has shown that the widely-deployed IEEE 802.11 MAC Distributed Coordination Function (DCF) is biased against downstream flows. This paper evaluates the impact of EDCA on TCP application traffic consisting of both long and short-lived... [09 Jan 2008]
Throughput Enhancement for Uploading TCP Flows in IEEE 802.11 Wireless LANs
White Paper They blindly assume that the number of competing stations at the MAC layer is increasing as there are more stations with TCP flows, which is not true under the congested network condition. Thus, there have been efforts to improve TCP throughput in... [27 Dec 2007]
Optimizing Aggregate Throughput of Upstream TCP Flows Over IEEE 802.11 Wireless LANS
White Paper This paper via analysis and simulation revisits the interaction between MAC contention and TCP congestion control over IEEE 802.11 WLANs, misled in the previous efforts. The results reveal that the effective number of contending wireless stations... [27 Dec 2007]
Empirical Upper Bound on TCP Transmission Rate for Guaranteed Capture-Free Communications in Multi-Hop IEEE 802.11 Based Wireless Networks
White Paper This paper considers the well known problem of TCP capture in mobile ad hoc networks, which is an unfair distribution of network bandwidth between TCP flows. The conventional way of analysis of TCP performance in wireless networks is to consider... [27 Dec 2007]
Queue Management Strategies to Improve TCP Fairness in IEEE 802.11 Wireless LANs
White Paper The 802.11 standard allows each station in a WLAN equal opportunity to access the wireless channel, which can result in unfair sharing of network bandwidth between upstream and downstream TCP flows at an AP. [27 Dec 2007]
Gateway Adaptive Pacing for TCP Across Multihop Wireless Networks and the Internet
White Paper We propose an adaptive pacing scheme at the Internet gateway for wired-to-wireless TCP flows. Furthermore, the causes for the unfairness of oncoming TCP flows are analyzed and a scheme is proposed to throttle aggressive wired-to-wireless TCP flows... [21 Dec 2007]
Exploring the Effect of Inter-Flow Interference on TCP Performance in MANETs
White Paper Previous studies which have focused on solutions at the transport layer, have analysed the behaviour of single or isolated TCP flows and thus have assessed the effect of intra-flow interference only. This paper examines the effectiveness of a... [20 Dec 2007]
End-to-end Fairness for TCP Traffic in 802.11e Wireless Mesh Networks Without Coordination
White Paper First it shows that TCP ACK packets have to be prioritised using IEEE 802.11e since otherwise congestion losses of ACK packets cause unpredictable performance. In terms of flow level fairness however, this paper highlights that gross unfairness can... [20 Dec 2007]
TCP Dynamics Over IEEE 802.11e WLANs: Modeling and Throughput Enhancement
White Paper 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. Today, IEEE 802.11 Wireless LAN (WLAN) has become a... [20 Dec 2007]
Modelling TCP Flows Over an 802.11 Wireless LAN
White Paper This paper presents an analysis of the throughput of TCP flows transmitted over IEEE 802.11 wireless LAN connections, for the case when TCP flow control is restricted by the receivers' advertised windows. [06 Dec 2007]
User-Level Performance in WLAN Hotspots
White Paper The paper first provide a packet level analysis that accounts not only for the interaction between TCP and the IEEE 802.11 MAC protocol, but also for the different radio conditions experienced by various users. [06 Dec 2007]
A Queueing Model for HTTP Traffic Over IEEE 802.11 WLANs
White Paper The paper first considers the interaction of TCP with the IEEE 802.11 MAC protocol, and gets approximate expressions for the TCP throughput in presence of nc competing persistent connections. This result is then used to develop a queueing model... [24 May 2006]
The Effect of Disengaging RTS/CTS Dialogue in IEEE 802.11 MAC Protocol
White Paper It demonstrates that the new control mechanism used here to adaptively select the use of the RTS/CTS dialogue can improve throughput performance and fairness for both UDP and TCP traffic flows. This paper studies the effect of using or disengaging... [12 May 2006]
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