National Taiwan Ocean University Institutional Repository:Item 987654321/18651
English  |  正體中文  |  简体中文  |  Items with full text/Total items : 27308/39152
Visitors : 2454009      Online Users : 274
RC Version 4.0 © Powered By DSPACE, MIT. Enhanced by NTU Library IR team.
Scope Adv. Search

Please use this identifier to cite or link to this item:

Title: 一種基於分碼進接多工之水下多媒體傳輸技術
A CDMA-based Transmission Technology for Underwater Multimedia
Authors: Zhong-Ting Yan
Contributors: NTOU:Department of Electrical Engineering
Keywords: 正交變化展頻因子碼;水下多媒體傳輸系統;功率分配機制
OVSF;underwater multimedia transmission system;power assignment mechanism
Date: 2008
Issue Date: 2011-07-04
Abstract: 在本篇論文中我們提出基於分碼多工進接之水下多媒體系統,其特色為功率分配機制、直接映射、正交變化展頻因子碼(orthogonal variable spread spectrum, OVSF)、不同的錯誤保護架構以及可適性的調變方式,授予訊息能容忍高的位元錯誤率與多媒體的即時展現。模擬結果顯示,我們提出的系統架構不僅僅能滿足水下多媒體的服務品質(quality of services, QoS),並且能達到最高位元傳輸率或最低傳輸功率。模擬結果證實本論文提出的觀點與理論值相符合。
In this thesis, we propose an orthogonal variable spreading factor (OVSF) based underwater wireless multimedia (UWM) system. An essential feature of this system is power assignment mechanism, direct mapping (DM) strategy, OVSF technology, unequal error protection schemes, and adaptive modulation are granted to messages that can tolerate high bit error rate (BER) but real time simulation. Simulation results show that the proposed scheme can not only fulfill the quality of services (QoS) required by a UWM system, but also achieve the mission of maximum transmission bit rates or minimum transmission power. For the purpose of verifying the proposed argument, a simulation has been done and the results match the derivation very well.
Appears in Collections:[Department of Electrical Engineering] Dissertations and Theses

Files in This Item:

File Description SizeFormat

All items in NTOUR are protected by copyright, with all rights reserved.


著作權政策宣告: 本網站之內容為國立臺灣海洋大學所收錄之機構典藏,無償提供學術研究與公眾教育等公益性使用,請合理使用本網站之內容,以尊重著作權人之權益。
網站維護: 海大圖資處 圖書系統組
DSpace Software Copyright © 2002-2004  MIT &  Hewlett-Packard  /   Enhanced by   NTU Library IR team Copyright ©   - Feedback