Wireless Signal Processing & Networking Workshop:
Advanced Wireless Technologies

Date: 21 December (Friday),2012

Venue: Main Conference Room, CENTER HALL Building, Engineerings, Tohoku University

Time: 14:00~

Title: Energy-Efficient Resource Allocation for Wireless Multimedia Systems

Speaker: Prof. Ai-Chun Pang

Affiliation: National Taiwan University

   With the rapid growth of data communications and popularity of battery-powered mobile devices, reducing the energy consumption of mobile devices is a critical concern for increasing battery lifetime and awareness of environmental responsibility. Specifically, mobile users have become increasingly addicted to multimedia applications which are extremely downlink intensive. It is very essential and challenging to reduce the energy consumption of battery-powered mobile devices when they receive downlink data. This talk will address energy-efficient downlink power and channel allocation in wireless systems, where the objective is to minimize the total energy consumption of mobile devices for data reception. We will present several approximation algorithms for the optimization problem with the consideration of different multimedia layer-encoding techniques and energy-consumption metrics. Some numerical examples and interesting insights will be shown based on experimental results.

   Ai-Chun Pang received the B.S., M.S. and Ph.D. degrees in Computer Science and Information Engineering from National Chiao Tung University, Taiwan, in 1996, 1998, and 2002, respectively. She joined the Department of Computer Science and Information Engineering, National Taiwan University (NTU), Taipei, Taiwan, as an Assistant Professor, in 2002, and became an Associate Professor in 2005. Currently, she is a Full Professor in CSIE and Graduate Institute of Networking and Multimedia of NTU, Taipei, Taiwan. Her research interests include wireless networking, mobile computing, and performance modeling.

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