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Paper Detail

Paper:	MMSP-L1.6
Session:	Multimedia Communications and Networking
Time:	Tuesday, May 16, 15:40 - 16:00
Presentation:	Lecture
Topic:	Multimedia Signal Processing: Multimedia communications and networking
Title:	PRICING BASED COLLABORATIVE MULTI-USER VIDEO STREAMMING OVER POWER CONSTRAINED WIRELESS DOWN LINK
Authors:	Zhu Li, Motorola Labs, United States; Jianwei Huang, Princeton University, United States; Aggelos Katsaggelos, Northwestern University, United States
Abstract:	Video streaming is becoming an important application in wireless communications. In a typical scenario, a base station needs to serve multiple video users with a total transmitting power constraint. How to make appropriate video coding decisions and allocate limited transmitting power among users to achieve optimal total utility is an interesting problem. In this paper we develop a pricing based down link power allocation scheme with collaborative video summarization among users. The scheme exploits the multi-user diversity in channel states and utility-resource tradeoff characteristics in video content to achieve better resource utilization. The computational complexity can also be distributed among video sources and base station. Simulation results demonstrate the effectiveness of the proposed solutions.