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A power-optimized joint source channel coding for scalable video streaming over wireless channel

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4 Author(s)
Qian Zhang ; Microsoft Res. China, Beijing, China ; Zhu, Wenwu ; Zu Ji ; Ya-Qin Zhang

Scalable video streaming over wireless link is a very challenging task due to the time-varying characteristics of wireless channel and limited battery resource in handheld devices. This paper first describes a general approach for joint source channel coding (JSCC) with optimal power consumption. Then, an end-to-end power-optimized architecture for video streaming is presented. Therein the channel-adaptive hybrid UEP (unequal error protection) and ARQ (automatic repeat request) scheme is proposed to achieve the minimal power consumption. Simulation results demonstrate the effectiveness of our proposed scheme

Published in:

Circuits and Systems, 2001. ISCAS 2001. The 2001 IEEE International Symposium on  (Volume:5 )

Date of Conference:

2001