NDLI: Scalable video multicast in multi-carrier wireless data systems

Content Provider	IEEE Xplore Digital Library
Author	Peilong Li Honghai Zhang Baohua Zhao Rangarajan, S.
Copyright Year	2009
Description	Author affiliation: NEC Laboratories America, USA (Honghai Zhang; Rangarajan, S.) \|\| Dept. of Computer Science and Technology, University of Science and Technology of China (Peilong Li; Baohua Zhao)
Abstract	Future 4G cellular networks are featured with high data rate and improved coverage, which will enable realtime video multicast and broadcast services. Scalable video coding is very appropriate for wireless multicast service because it allows to choose different modulation and coding schemes (MCSs) for different video layers and can provide good video quality to users in good channel conditions while still maintaining reasonable video quality for other users. In order to apply scalable video coding to wireless multicast streaming, it is important to choose appropriate MCS for each video layer and to determine the right resource allocation among multiple video sessions. In this paper we propose a two-step dynamic programming algorithm that finds the optimal total system utility of all users where the system utility can be a generic non-negative, non-decreasing function of received rate. Our algorithm supports variable layer size and thus allows flexibility during the video encoding process. Simulation results show that our algorithm offers significant improvement on the video quality over a naive algorithm and an adapted greedy algorithm, especially in the scenarios with multiple real video sequences and limited radio resources.
Starting Page	141
Ending Page	150
File Size	421345
Page Count	10
File Format	PDF
ISBN	9781424446353
ISSN	10921648
DOI	10.1109/ICNP.2009.5339688
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-10-13
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Data systems Video coding Land mobile radio cellular systems Multimedia communication Broadcasting Modulation coding Streaming media Resource management Dynamic programming Heuristic algorithms
Content Type	Text
Resource Type	Article

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