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QoS-Guaranteed IPTV Service Provisioning in Home Network with IEEE 802.11e Wireless LAN

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4 Author(s)
Kye-Hwan Lee ; Dept. of Inf. & Comm. Eng., Yeungnam Univ., Seoul ; Son Tran Trong ; Bong-Gyun Lee ; Young-Tak Kim

This paper proposes a QoS-guaranteed IPTV service provisioning by differentiated traffic handling in home network IEEE 802.11e/g Wireless LAN. The proposed traffic engineering scheme prioritizes IPTV traffic to provide guaranteed QoS in the inter-mixed and congested traffic condition. Prioritization of traffic is provided by assigning differentiated access category to each packet according to predefined QoS class. When generating multimedia video data, the IPTV server prioritizes user data by setting ToS field of IP datagram to be able to distinguish the multimedia traffic from usual best effort traffic in the home network. This paper provides detailed explanation of classification and mapping of multimedia traffic on home networks, based on access categories of IEEE 802.1 le Wireless LAN. Performance evaluations show that IPTV MPEG-2 traffic, encoded at about 2 Mbps bitrate, can be delivered with guaranteed QoS even when the aggregated traffic reaches up to 20 Mbps in IEEE 802.11e/g WLAN access point. The received video traffic has a quality that is good enough to satisfy users, and QoE(Quality of Experience) of received video is verified by VQM(Video Quality Metric). From the series of experiments, we found that the proposed differentiated traffic engineering for IPTV service can provide QoS-guaranteed real-time service in home network with Wireless LAN.

Published in:

Network Operations and Management Symposium Workshops, 2008. NOMS Workshops 2008. IEEE

Date of Conference:

7-11 April 2008

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