Multicast video services over wireless channel with VCR functionality

Authors:
Kostas E. Psannis
Affiliations:
Department of Technology Management, University of Macedonia, Greece
Venue:
ISCGAV'06 Proceedings of the 6th WSEAS International Conference on Signal Processing, Computational Geometry & Artificial Vision
Year:
2006

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Abstract

This paper presents an efficient method for supporting video - VCR multicast services over wireless channel. The proposed method is based on storing multiple differently encoded versions of the video stream at the server. The video streams are obtained by encoding the original uncompressed video file as a sequence of I-P(I) frames for normal playback and I-P(M) for interactive mode. Wireless full interactive multicast video services are supported with considerably reduced additional delay and acceptable visual quality at the wireless client - end.