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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 ; Wenwu Zhu ; 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

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

Date of Conference: