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Channel-Adaptive Mobile Streaming Video Control over Mobile WiMAX Network  

Pyun, Jae-Young (Department of information & communication engineering, Chosun university)
Publication Information
Journal of the Institute of Electronics Engineers of Korea CI / v.46, no.5, 2009 , pp. 37-43 More about this Journal
Abstract
Streaming video service over wireless and mobile communication networks has received significant interests from both academia and industry recently. Specifically, mobile WiMAX (IEEE 802.16e) is capable of providing high data rate and flexible Quality of Service (QoS) mechanisms, supporting mobile streaming very attractive. However, we need to note that streaming videos can be partially deteriorated in their macroblocks and/or slices owing to errors on OFDMA subcarriers, as we consider that compressed video sequence is generally sensitive to the error-prone channel status of the wireless and mobile network. In this paper, we introduce an OFDMA subcarrier-adaptive mobile streaming server based on cross-layer design. This streaming server system is substantially efficient to reduce the deterioration of streaming video transferred on the subcarriers of low power strength without any modifications of the existing schedulers, packet ordering/reassembly, and subcarrier allocation strategies in the base station.
Keywords
OFDMA; Mobile WiMAX; Streaming video service; CINR; QoS;
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Times Cited By KSCI : 1  (Citation Analysis)
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