| DC 欄位 |
值 |
語言 |
| DC.contributor | 資訊工程研究所 | zh_TW |
| DC.creator | 王韓利 | zh_TW |
| DC.creator | Han-Li Wang | en_US |
| dc.date.accessioned | 2001-7-13T07:39:07Z | |
| dc.date.available | 2001-7-13T07:39:07Z | |
| dc.date.issued | 2001 | |
| dc.identifier.uri | http://ir.lib.ncu.edu.tw:444/thesis/view_etd.asp?URN=88522015 | |
| dc.contributor.department | 資訊工程研究所 | zh_TW |
| DC.description | 國立中央大學 | zh_TW |
| DC.description | National Central University | en_US |
| dc.description.abstract | 將一部熱門影片以廣播的型式播送至用戶端，可讓多數的用戶共享頻道以
減少頻道的使用量。一類新的廣播策略是將一部影片切成等長度的數個片段，在伺服器端利用多個頻道分別以特定的週期傳送這些片段，以大幅縮減用戶端的等待時間，其中以Recursive Frequency Splitting Scheme (RFS)所達到的效果最好，大量縮短了使用者的等待時間；然而RFS 的方法需要接近O(N 2 )的執行時間，所以我們提出了一個新的有效率的影片排程策略，在接近RFS 的效果之下只要O(N)的執行時間。
在這篇論文當中，我們提出了一種新的頻寬配置策略，以一種簡單而更快速且有效率的演算法來分配有限的頻寬，大幅縮減用戶端的等待時間和減少伺服器端所需的大量運算。另外我們也對這類的問題做了一些分析和討論。 | zh_TW |
| dc.description.abstract | Broadcasting is one of several techniques that aim at reducing the cost of video-on-demand service. This approach is to schedule repeated broadcasts of the videos indedicated channels. One limitation of broadcasting is that users who want to watch a video must wait some time for the next scheduled broadcast of a video. Manybroadcasting approaches have been proposed to reduce the new-coming user's waiting time. One of them, named RFS scheme, signicantly improves over existing schemes in terms of viewer's waiting time. However, the execution time of RFS scheme is O(n^2) in worst case, where n is the number of segments of a video V. In this thesis, we propose an effcient segmentation scheme, which can get the nearly number of segments comparing with RFS scheme, but the execution time is O(n). | en_US |
| DC.subject | 寬頻網路 | zh_TW |
| DC.subject | 廣播 | zh_TW |
| DC.subject | 有線電視 | zh_TW |
| DC.subject | 隨選視訊 | zh_TW |
| DC.subject | Broadband Networks | en_US |
| DC.subject | Broadcasting | en_US |
| DC.subject | Cable TV | en_US |
| DC.subject | Video-on-Demand | en_US |
| DC.title | 一個適用於熱門隨選視訊服務之快速排程廣播策略 | zh_TW |
| dc.language.iso | zh-TW | zh-TW |
| DC.title | A Fast Broadcasting Scheme for Hot Video in Video-on-Demand Service | en_US |
| DC.type | 博碩士論文 | zh_TW |
| DC.type | thesis | en_US |
| DC.publisher | National Central University | en_US |