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研究生:蕭宗茂
研究生(外文):Tsung-Mao Hsiao
論文名稱:功率控制/智慧型天線整合技術在第三代WCDMA系統的應用
論文名稱(外文):Joint Power Control and Smart Antenna for Third Generation Wideband CDMa Systems
指導教授:沈文和
指導教授(外文):Wern-Ho Sheen
學位類別:碩士
校院名稱:國立中正大學
系所名稱:電機工程研究所
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2001
畢業學年度:89
語文別:中文
論文頁數:60
中文關鍵詞:智慧型天線功率控制覆蓋範圍
外文關鍵詞:smart antennapower controlcoverage area
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隨著電信產業的蓬勃發展和快速邁進,無線行動通訊技術的應用與發展在人類未來的日常生活將扮演著非常重要的角色。世界各國無不全力研究發展未來的更加先進的通訊系統,因此由日本、歐洲所主導的3GPP ( Generation Partnership Project) 組織,以W-CDMA技術發展第三代無線通訊系統。
在細胞式個人行動通訊系統中,直接序列分碼多重進接技術DS-CDMA已被採用,用以增加系統的容量及提高通訊品質。在此系統裡,為達到較高的系統容量及較佳的通訊品質,功率控制技術的應用是一個很有效率的方法。在之前的諸多研究中,藉由功率控制法的應用技術以提高系統的容量及通訊品質均已被廣泛的討論及應用。在這篇論文中,我們進一步探討智慧型天線 / 功率控制整合技術應用於第三代無線通訊系統,藉此不僅可節省手機電池的壽命,更加提高了系統的容量及通話品質,並可使得基地台覆蓋率及覆蓋範圍大大地提

With the blossom and rapid development on the telecommunications, the applications of mobile communication will play an important role on our daily lives. All around the world make their best to investigate the advance communication systems. Accordingly, the 3GPP (3rd Generation Partnership Project) organization, in which the major partners include Japan and Europe, develops the third-generation wireless communication system based on the W-CDMA access technique.
On cellular personal communications, the DS-CDMA access technique has been widely used to both enhance the system capacity and improve the link quality. To achieve both of them, power control technique is an effective method. Abundant literatures about power control issues have been proposed. In this thesis, we apply, in advance, the integration of smart antenna and power control mechanism to the third-generation wireless systems. It follows that not only the battery life is prolonged, but both system capacity and link quality are upgraded. In addition, the base station can extend the coverage area.

摘 要………………………………………………………………………….i
目 錄………………………………………………………………………….ii
圖表目錄………………………………………………………………………….iv
第一章導論1
1.1DS/CDMA蜂巢式通訊系統…………………………………….1
1.2整合功率控制及智慧型天線應用於DS/CDMA蜂巢式通訊系統…………………………………………………………………3
第二章系統模型及效能量測5
2.1CDMA系統細胞負載…………………………………………...5
2.2通道的模型………………………………………………………6
2.3反向鏈結之鏈結預算值 (Reverse Link Budget)……………….10
2.4系統效能量測……………………………………………………12
第三章訊雜比-功率控制(SIR-based)演算法的效能研究與分析13
3.1導論………………………………………………………………13
3.2開放式迴路 (Open-Loop) 及封閉式迴路 (Close-Loop) 功率控制機制…………………………………………………………15
3.3SIR-based功率控制及模擬中的假設…………………………..15
3.4模擬結果與討論…………………………………………………19
第四章整合智慧型天線與功率控制法應用於W-CDMA的系統效能研究28
4.1導論………………………………………………………………28
4.2天線陣列 (antenna array) 及電波光束外形 (beam-forming)…29
4.3信號模型…………………………………………………………31
4.4如何估算陣列響應 (array response)……………………………33
4.5最小變異失真演算法(Minimum Variance Distortion Response Algorithm)…………...35
4.6最小訊號功率變動演算法(Least Fluctuation of Signal Power Algorithm)………..36
4.7整合智慧型天線 / 功率控制法應用於W-CDMA…………….38
4.8模擬結果與討論…………………………………………………39
第五章結論與未來研究的工作與方向54
5.1結論………………………………………………………………54
5.2未來研究的工作與方向…………………………………………55
參考文獻58

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