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Title: Modulo N Backoff Scheme for Effective QoS Differentiation and Increased Bandwidth Utilization in IEEE 802.11 Networks, Journal of Telecommunications and Information Technology, 2009, nr 2

Creator:

Konorski, Jerzy ; Janczak, Tomasz ; Woźniak, Józef ; Pawlikowski, Krzysztof

Date:

2009, nr 2

Resource Type:

artykuł

Description:

The paper presents a new modulo N channel access scheme for wireless local area networks (WLANs). The novel solution derives from the distributed coordination function (DCF) of the IEEE 802.11 standard, further elaborated as enhanced distribution channel access (EDCA) by the 802.11e draft specification. The main innovation concerns improvement of the binary exponential backoff scheme used for collision avoidance in 802.11 networks. The most appealing feature of the new modulo N backoff scheme is that it outperforms the original 802.11 solution in terms of channel utilization ratio under any traffic conditions. Furthermore, the modulo N proposal can be naturally augmented with QoS differentiation mechanisms like 802.11e extensions. The prioritized modulo N scheme achieves better throughput-delay characteristics for multimedia traffic when compared with the original 802.11e proposal. At the same time, the new solution retains backward compatibility and includes all features which have made IEEE 802.11 networks extremely popular nowadays.

Publisher:

Instytut Łączności - Państwowy Instytut Badawczy, Warszawa

Format:

application/pdf

Resource Identifier:

ISSN 1509-4553, on-line: ISSN 1899-8852 ; oai:bc.itl.waw.pl:103

Source:

Journal of Telecommunications and Information Technology

Language:

ang

Rights Management:

Biblioteka Naukowa Instytutu Łączności

Subject and keywords:

WLAN MAC performance analysis random backoff channel access

Object collections:

Last modified:

Jan 5, 2010

In our library since:

Dec 14, 2009

Number of object content hits:

141

All available object's versions:

https://bc.itl.waw.pl/publication/121

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Edition name Date
Janczak Tomasz, Konorski Jerzy, Woźniak Józef, Pawlikowski Krzysztof, 2009, Modulo N Backoff Scheme for Effective QoS Differentiation and Increased Bandwidth Utilizationin IEEE 802.11 Networks, Journal of Telecommunications and Information Technology Jan 5, 2010

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Instytut Łączności – Państwowy Instytut Badawczy ul. Szachowa 1 04-894 Warszawa

Phone

(+48) 5128 696

E-Mail

biblioteka@il-pib.pl

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