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Title: Impact of Video Coding on Delay and Jitter in 3G Wireless Video Multicast Services
Authors: Psannis, Kostas E.
Ishibashi, Yutaka
Type: Article
Subjects: FRASCATI::Engineering and technology
Keywords: Wireless Video
Visual Quality
Multicast Services
Video Codec
Wireless Networks
Issue Date: Dec-2006
Source: EURASIP Journal on Wireless Communications and Networking
Volume: 2006
Issue: 1
Abstract: We present an efficient method for supporting wireless video multicast services. One of the main goals of wireless video multicast services is to provide priority including dedicated bandwidth, controlled jitter (required by some real-time and interactive traffic), and improved loss characteristics. The proposed method is based on storing multiple differently encoded versions of the video stream at the server. The corresponding video streams are obtained by encoding the original uncompressed video file as a sequence of Open image in new window - Open image in new window -frames using a different GOP pattern. Mechanisms for controlling the multicast service request are also presented and their effectiveness is assessed through extensive simulations. Wireless multicast video services are supported with considerably reduced additional delay and acceptable visual quality at the wireless client-end.
ISSN: 1687-1499
Other Identifiers: 10.1155/WCN/2006/24616
Appears in Collections:Department of Applied Informatics

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