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研究生:邱智遠
研究生(外文):Chih-Yuan Chiu
論文名稱:多載波分碼多重進接系統之接收機設計及多接收天線之效能比較
論文名稱(外文):MC-CDMA Receiver designs and performance comparison with multiple antennas
指導教授:陳永芳陳永芳引用關係
指導教授(外文):Yung-Fang Chen
學位類別:碩士
校院名稱:國立中央大學
系所名稱:通訊工程研究所
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:2005
畢業學年度:93
語文別:中文
論文頁數:74
中文關鍵詞:多載波分碼多重進接系統多級威能濾波器多接收天線
外文關鍵詞:MSWFMC-CDMASmart Antenna
相關次數:
  • 被引用被引用:0
  • 點閱點閱:98
  • 評分評分:
  • 下載下載:0
  • 收藏至我的研究室書目清單書目收藏:2
本論文中,我們提出一種以多載波分碼多重進接系統(MC-CDMA)為基礎的接收機並搭配多個接收天線,考量多使用者於上鏈傳送端的通訊情形,並且以旁波瓣消除器(GSC)搭配連續干擾消除器(SIC)的多使用者偵測技術來抵抗其他使用者所造成的多重接收干擾(MAI),利用了訊號的來向(DOA)以及展頻碼(Spreading code)間不同的訊號特性,以兩個旁波瓣消除器接連分離出目標訊號,並將目前廣泛使用的多級威能濾波器(MSWF)運用於旁瓣消除器上,來降低運算量以及提升效能,並達到快速收斂的目的,我們稱之為新型連鎖式一維處理演算法。最後並實際應用一種多級威能濾波器之級數選擇方法,並以電腦的模擬結果與其它的接收機相比較,並針對不同的環境來加以分析。
中文摘要
目錄
第一章 緒論
1.1 前言.............................................................1
1.2 論文架構.........................................................3
第二章 通道模型及基本通訊架構
2.1 無線通訊之通道模型簡介...........................................4
2.1.1 通道的衰落特性.................................................5
2.1.2 通道模型.......................................................9
2.2 多天線接收技術...................................................11
2.3 多載波之展頻系統簡介.............................................17
2.3.1 MC DS-CDMA.....................................................17
2.3.2 MT-CDMA........................................................19
2.3.3 MC-CDMA........................................................20
2.4 連續干擾消除器(SIC)簡介..........................................25
第三章 系統模型及接收機設計
3.1 威能濾波器(Wiener filter) .......................................27
3.2 多級威能濾波器(Multistage Wiener filter) ........................29
3.2.1等效的威能濾波器................................................30
3.2.2多級威能濾波器..................................................33
3.2.3旁波瓣消除器(Generalized Sidelobe Canceller,GSC)................37
3.3 系統模型及接收機設計.............................................40
3.3.1系統及環境設定..................................................40
3.3.2天線響應的估測..................................................44
3.3.3 連鎖式一維處理演算法...........................................45
3.3.4 適用於SIC接收機之新型連鎖式一維處理演算法......................49
3.3.5 多級威能濾波器之級數選擇.......................................52
第四章 模擬與討論
4.1 模擬環境參數.....................................................53
4.2 模擬結果及分析...................................................54
第五章 結論
5.1 前言............................................. ..........72
參考文獻 ........................................................... 73
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