tcp - ip ad hoc networks layer
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Improving the Performance of TCP in the Presence of Interacting UDP Flows in Ad Hoc Networks
White Paper This paper studies how fairness affects the performance of TCP over ad hoc networks with IEEE 802.11 at the MAC layer. The problem addressed is that the throughput of TCP flows degrades severely in the presence of heavily loaded UDP flows. [14 Jan 2008]
ATCP: TCP for Mobile Ad Hoc Networks
White Paper This paper presents an approach where it implements a thin layer between Internet protocol and standard TCP that corrects these problems and maintains high end-to-end TCP throughput. Transport connections set up in wireless ad hoc networks are... [14 Jan 2008]
Estimating the Ad Hoc Horizon for TCP Over IEEE 802.11 Networks
White Paper The results are obtained through simulations by choosing optimal settings (e.g.enabling link layer feedback but no mobility) and focusing on worst case figures. This paper explores the hypothesis of an "Ad hoc horizon" for wireless multihop networks. [14 Jan 2008]
Improving TCP Performance Over Mobile AdHoc Networks With Out-of-Order Detection and Response
White Paper While there has been some research on improving TCP performance over MANET, most of them require feedback from the network or the lower layer. In the simulation study discussed in this paper, this approach had achieved on average 50% performance... [14 Jan 2008]
Hidden Terminal Analysis on TCP Stability Over Multihops Ad Hoc Networks
White Paper This paper points out and verifies that the TCP instability comes from the hidden terminal problem due to the MAC layer collisions through the analysis of the tracing data in extensive simulations. The hidden terminal will produce large volumes of... [08 Jan 2008]
Balancing Throughput and Fairness for TCP Flows in Multihop Ad-Hoc Networks
White Paper Analyzing transport layer operation and enhancing its performance over multihop ad hoc networks have attracted a lot of attentions. Although the fundamental reasons for the performance degradation of TCP have been studied for many years, the tight... [08 Jan 2008]
A Cross Layer Analysis of TCP Instability in Multihop Ad Hoc Networks
White Paper As this paper shows, TCP instability is truly a cross layer problem which needs to be addressed by considering the interaction of multiple layers with each other. It is well-known that due to the nature of some ad hoc network applications (e.g... [26 Dec 2007]
On Channel Selection Strategies for Multi-Channel MAC Protocols in Wireless Ad Hoc Networks
White Paper This channel selection strategy reduces link-layer data frame losses and provides higher TCP throughput compared to the other channel selection approaches. Multi-channel Medium Access Control (MAC) protocols have recently been proposed to improve... [26 Dec 2007]
Data Link Layer Control Methods for Performance Improvement of TCP Over an Ad Hoc Network
White Paper In order to increase TCP performance in an ad hoc network, support from the lower layers of the transport layer is required. Although retransmission by the data link layer is generally required for errors on a wireless channel in ad hoc networks... [20 Dec 2007]
TCP Contention Control: A Cross Layer Approach to Improve TCP Performance in Multihop Ad Hoc Networks
White Paper This paper proposes a novel cross layer solution called "TCP Contention Control" that dynamically adjusts the amount of outstanding data in the network based on the level of contention experienced by packets as well as the throughput achieved by... [19 Dec 2007]
ATP: A Reliable Transport Protocol for Ad-Hoc Networks
White Paper Toward this end, it presents a new reliable transport layer protocol for ad-hoc networks called ATP (ad-hoc transport protocol). Existing works have approached the problem of reliable transport in ad-hoc networks by proposing mechanisms to improve... [05 Dec 2007]
Performance of TCP/UDP Under Ad Hoc IEEE802.11
White Paper TCP is the De facto standard for connection oriented transport layer protocol, while UDP is the De facto standard for transport layer protocol, which is used with real time traffic for audio and video. [06 Nov 2007]
On TCP Performance in Multihop Wireless Networks
White Paper This paper studies TCP performance over static, ad hoc networks that use IEEE 802.11 protocol as the access method. As long as the buffer size at each node is reasonable (larger than 10 packets), buffer overflow-induced packet loss is rare and... [06 Nov 2007]
Improving TCP Performance Over Mobile Ad Hoc Networks by Exploiting Cross-Layer Information Awareness
White Paper TCP performance degrades significantly in mobile ad hoc networks because most of packet losses occur as a result of route failures. Prior work proposed to provide link failure feedback to TCP so that TCP can avoid responding to route failures as if... [30 Oct 2007]
Performance of Transport Protocols in Wireless Networks
White Paper This paper first summarizes the proposals that enhance TCP performance in wireless networks and then provide a classification of transport protocols in ad-hoc networks. In theory, transport protocol should be independent of the technology of the... [31 Aug 2007]
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