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Power efficient multimedia communication over wireless channels

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4 Author(s)
Xiaoan Lu ; Dept. of Electr. & Comput. Eng., Polytech. Univ., Brooklyn, NY, USA ; Erkip, E. ; Yao Wang ; Goodman, D.

In this work, we introduce an approach for minimizing the total power consumption of a mobile transmitter due to source compression, channel coding and transmission subject to a fixed end-to-end source distortion. We illustrate our approach both on an abstract class of sources and channels and on a realistic H.263 video transmission system through a wireless channel. Performance under different channel environments and implementation schemes are investigated. Our numerical analysis shows that optimized settings can reduce the total power consumption by a significant factor and prolong battery life considerably compared with fixed parameter settings.

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Selected Areas in Communications, IEEE Journal on  (Volume:21 ,  Issue: 10 )