Multicast QoS Support in IEEE 802.11 WLANs

Author

Lyakhov, -Éndrey ; Vishnevsky, Vladimir ; Yakimov, Mikhail

Author_Institution

Russian Acad. of Sci., Moscow

fYear

2007

fDate

8-11 Oct. 2007

Firstpage

1

Lastpage

3

Abstract

Existing IEEE 802.11 spec, provides no error recovery mechanism (ARQ) for multicast traffic. ARQ absence in wireless networks unreliable by their nature leads to frequent packet losses, which is inappropriate for most of multimedia applications. In the paper, we propose new reliable multicast mechanism supporting multimedia QoS (packet loss ratio, delay and throughput), in IEEE 802.11 Wireless local Area Networks (WLANs). This mechanism is based on the concept of multiple ACK-leaders, i.e. multicast recipients responsible for data packets acknowledging. We develop an analytical model of the mechanism and use the model to study and to optimize the mechanism.

Keywords

automatic repeat request; quality of service; telecommunication traffic; wireless LAN; ACK-leaders; ARQ; IEEE 802.11 WLAN; error recovery mechanism; multicast QoS support; multicast traffic; packet loss ratio; wireless local area networks; wireless networks; Automatic repeat request; Feedback; Multicast protocols; Quality of service; Streaming media; Telecommunication traffic; Throughput; Unicast; Wireless LAN; Wireless networks;

fLanguage

English

Publisher

ieee

Conference_Titel

Mobile Adhoc and Sensor Systems, 2007. MASS 2007. IEEE International Conference on

Conference_Location

Pisa

Print_ISBN

978-1-4244-1454-3

Electronic_ISBN

978-1-4244-1455-0

Type

conf

DOI

10.1109/MOBHOC.2007.4428617

Filename

4428617