Improving TCP Performance in IEEE 802.11 Networks

Statkus, A.; Paulikas, Sarunas

doi:10.5755/j01.eee.19.5.2571

Cited by 7 publications

(9 citation statements)

References 6 publications

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“…In RFC's clearly is indicated, that current algorithm must maintain two very important functions: to prevent data retransmission, and as soon as possible to make ACK to permitting further data to be sent (Bott 2014). In addition to this argument, the fact that ACK message are very important in the initial phase (1) of data transmission and the fact that rate of ACK relay on data rate (segments loss due to receiving 3 or more duplicated ACK) and cannot be less than RTO 1 t must be evaluated.…”

Section: Fast Retransmit and Fast Recovery Algorithmmentioning

confidence: 99%

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Performance Investigation of Data Packets Transport Control Protocol in Heterogeneous Networks

Statkus¹

2017

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Disertacija rengta 2010-2017 metais Vilniaus Gedimino technikos universitete. Vadovas prof. dr. Šarūnas PAULIKAS (Vilniaus Gedimino technikos universitetas, elektros ir elektronikos inžinerija-01T). Vilniaus Gedimino technikos universiteto Elektros ir elektronikos inžinerijos mokslo krypties disertacijos gynimo taryba: Pirmininkas prof. dr. Dalius NAVAKAUSKAS (Vilniaus Gedimino technikos universitetas, elektros ir elektronikos inžinerija-01T). Nariai: doc. dr. Lina NARBUTAITĖ (Kauno technologijos universitetas, elektros ir elektronikos inžinerija-01T), doc. dr. Nerijus PAULAUSKAS (Vilniaus Gedimino technikos universitetas, elektros ir elektronikos inžinerija-01T), prof. habil. dr. Valeri SKLIAROV (Aveiro universitetas, Portugalija, elektros ir elektronikos inžinerija-01T), prof. dr. Vytautas URBANAVIČIUS (Vilniaus Gedimino technikos universitetas, elektros ir elektronikos inžinerija-01T). Disertacija bus ginama viešame Elektros ir elektronikos inžinerijos mokslo krypties disertacijos gynimo tarybos posėdyje 2017 m. rugpjūčio 29 d. 10 val. Vilniaus Gedimino technikos universiteto senato posėdžių salėje.

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Section: Fast Retransmit and Fast Recovery Algorithmmentioning

confidence: 99%

“…1.12.). The experiments were performed at various data rates (1,4,8,16,32,65,and 90 Mbps) in scenarios with and without filtering and in scenario when 80% of ACK is filtered.…”

Section: Performance Evaluation Experimentsmentioning

confidence: 99%

Performance Investigation of Data Packets Transport Control Protocol in Heterogeneous Networks

Statkus¹

2017

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“…The issue of TCP performance over IEEE 802.11 networks has been investigated in many papers in the past, e.g. [4][5][6][7][8][9][10][11][12][13][14][15][16][17]. In this past research however, it is assumed that stations compete to get access to the channel using the contention based CSMA/CA access method.…”

Section: Research Questionmentioning

confidence: 99%

Coupled IEEE 802.11ac and TCP Goodput Improvement Using Aggregation and Reverse Direction

Sharon¹,

Alpert²

2016

WSN

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This paper suggests a new model for the transmission of Transmission Control Protocol (TCP) traffic over IEEE 802.11 using the new features of IEEE 802.11ac . The paper examines a first step in this direction and as such we first consider a single TCP connection, which is typical in a home environment. We show that when the IEEE 802.11ac MAC is aware of QoS TCP traffic, using Reverse Direction improves the TCP Goodput in tens of percentages compared to the traditional contention based channel access. In an error-free channel this improvement is 20% while in an errorprone channel the improvement reaches 60%, also using blind retransmission of frames. In our operation modes we also assume the use in Two-Level aggregation scheme, the Automatic Repeat-Request (ARQ) protocol of the IEEE 802.11ac MAC layer and also assume the data rates and the four Access Categories defined in this standard.

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“…Some of the articles study how the TCP reacts over the asymmetric networks. Few of them [9], [10] mark that fundamental cause of TCP degradation in asymmetric wireless networks is due to uneven access to shared wireless medium. As different stations gain different time to access the wireless medium, an asymmetry is created between downlink and uplink.…”

mentioning

confidence: 99%

“…If outdated ACKs and new ACKs are transmitted on a single wireless medium access, the outcome might be packet loss or throughput degradation. One of the ways of controlling the amount of TCP ACKs in wireless network is to use the TCP header compression [9], [10]. During header compression, ACK size is reduced; however, this still does not solve the unnecessary overhead on IEEE 802.11 networks.…”

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confidence: 99%

TCP Performance in Multi-Polling Game Theory-Based IEEE 802.11 Networks

Cuzanauskas

Anskaitis

2016

Electrical, Control and Communication Engineering

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-Easy usage and integration with various applications made IEEE 802.11 one of the most used technologies these days, both at home and business premises. Over the years, there have been many additional improvements to the 802.11 standards. Nevertheless, the algorithms and Media Access Control (MAC) layer methods are almost the same as in previous Wi-Fi versions. In this paper, a set of methods to improve the total system capacity is proposed -such as efficient transmit power management based on Game Theory with a custom wireless medium protocol. The transmit power management and wireless medium protocol is verified by both simulation and real application scenarios. The results conclude that the capacity of theproposed wireless medium protocol is overall 20 percent higher than the standard 802.11 wireless medium access protocols. Additional TCP Acknowledgment filtering, which was tested together with the proposed wireless medium access protocol, can provide up to 10-percent-higher TCP throughput in high-density scenarios, especially for asymmetrical traffic cases. The conducted research suggests that efficient power management could result in lighter transmit power allocation rules that are currently set by the local regulators for current Wi-Fi devices. Thus, better propagation characteristics and wireless medium management would lead to an overall higher wireless system capacity.

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Improving TCP Performance in IEEE 802.11 Networks

Cited by 7 publications

References 6 publications

Performance Investigation of Data Packets Transport Control Protocol in Heterogeneous Networks

Performance Investigation of Data Packets Transport Control Protocol in Heterogeneous Networks

Coupled IEEE 802.11ac and TCP Goodput Improvement Using Aggregation and Reverse Direction

TCP Performance in Multi-Polling Game Theory-Based IEEE 802.11 Networks

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