A low video latency feedback mechanism for SVC streaming in WiMedia MAC
碩士 === 國立交通大學 === 電子工程系所 === 97 === Scalable Video Coding (SVC) is a video compression technology which can provide flexible bitstream extraction according to the requirements of application and network bandwidth. WiMedia Ultra-WideBand is a wireless communication technique which contains the charac...
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ndltd-TW-097NCTU54280132015-10-13T12:18:14Z http://ndltd.ncl.edu.tw/handle/77666207085930133827 A low video latency feedback mechanism for SVC streaming in WiMedia MAC 可調適視訊壓縮串流在超寬頻無線技術WiMedia傳輸之低視訊延遲回報機制設計 Chun-Hsiao Li 李純孝 碩士 國立交通大學 電子工程系所 97 Scalable Video Coding (SVC) is a video compression technology which can provide flexible bitstream extraction according to the requirements of application and network bandwidth. WiMedia Ultra-WideBand is a wireless communication technique which contains the characteristics of low power and high data-rate. It is suitable for the Wireless Personal Area Network (WPAN) and communication network at home. Thought the cross layer design makes the wireless multimedia transmission over short distance become not only possible but also more flexible and efficient. In this thesis, we proposed a cross-layer architecture including a feedback scheme which takes advantage of the characteristics of SVC and WiMedia, on the Medium Access Control (MAC) layer of transmitter. Thought the monitoring of bandwidth fluctuation by MAC layer, we can estimate the available bandwidth of next period and dynamically adjust the feedback extraction bitrate after considering the issue of video latency on the buffer of decoder in order to reduce the impact of the variation of network bandwidth and channel condition on real time video communication. Finally, with the proposed architecture and mechanism, we will simulate the performance of video latency, bandwidth utilization and buffer condition on WiMedia with SVC as our application in system level. Ching-Yao Huang 黃經堯 2008 學位論文 ; thesis 50 en_US |
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碩士 === 國立交通大學 === 電子工程系所 === 97 === Scalable Video Coding (SVC) is a video compression technology which can provide flexible bitstream extraction according to the requirements of application and network bandwidth. WiMedia Ultra-WideBand is a wireless communication technique which contains the characteristics of low power and high data-rate. It is suitable for the Wireless Personal Area Network (WPAN) and communication network at home. Thought the cross layer design makes the wireless multimedia transmission over short distance become not only possible but also more flexible and efficient.
In this thesis, we proposed a cross-layer architecture including a feedback scheme which takes advantage of the characteristics of SVC and WiMedia, on the Medium Access Control (MAC) layer of transmitter. Thought the monitoring of bandwidth fluctuation by MAC layer, we can estimate the available bandwidth of next period and dynamically adjust the feedback extraction bitrate after considering the issue of video latency on the buffer of decoder in order to reduce the impact of the variation of network bandwidth and channel condition on real time video communication. Finally, with the proposed architecture and mechanism, we will simulate the performance of video latency, bandwidth utilization and buffer condition on WiMedia with SVC as our application in system level.
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Ching-Yao Huang |
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Ching-Yao Huang Chun-Hsiao Li 李純孝 |
author |
Chun-Hsiao Li 李純孝 |
spellingShingle |
Chun-Hsiao Li 李純孝 A low video latency feedback mechanism for SVC streaming in WiMedia MAC |
author_sort |
Chun-Hsiao Li |
title |
A low video latency feedback mechanism for SVC streaming in WiMedia MAC |
title_short |
A low video latency feedback mechanism for SVC streaming in WiMedia MAC |
title_full |
A low video latency feedback mechanism for SVC streaming in WiMedia MAC |
title_fullStr |
A low video latency feedback mechanism for SVC streaming in WiMedia MAC |
title_full_unstemmed |
A low video latency feedback mechanism for SVC streaming in WiMedia MAC |
title_sort |
low video latency feedback mechanism for svc streaming in wimedia mac |
publishDate |
2008 |
url |
http://ndltd.ncl.edu.tw/handle/77666207085930133827 |
work_keys_str_mv |
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