臺灣博碩士論文加值系統

眾所皆知數位訊號在多重路徑衰落通道的環境下，應用等化器來做信號的檢測是普遍被採用的方法，
因此，本篇論文就針對此通道環境來比較各種等化器的性能。我們也提出了一種新型的等化技巧並與
貝氏 決策回授等化器、貝氏遞迴等化器、最大可能序列檢測等化器(MLSE)及存活路徑處理(PSP) 等一起
做效能及運算複雜度上的比較。並且利用雙向決策等化技巧來提升當通道遭遇很大衰落時的系統效能。
另外各種等化器亦結合天線多途接收 來觀察系統效能的變化。

第一章 序論1
第二章 系統與模擬的架構3
2-1 等效的基頻架構3
2-2 等效的離散時間架構5
2-3 模擬時所用的通道架構6
第三章 各種等化技巧之原理分析10
3-1最小均方 通道估測器的原理分析10
3-2最大可能序列檢測等化器的原理分析11
3-3最大可能序列檢測等化器應用 方式的原理分析13
3-4貝氏決策回授等化器的原理分析14
3-5貝氏利用遞迴演算方式等化器的原理分析16
3-6雙向等化技巧的原理分析19
3-7混合型之最大可能序列檢測 等化器與存活路徑處理
之最大可能序列檢測等化器20
第四章 模擬結果分析22
4-1模擬結果比較23
4-2等化器之運算複雜度的比較分析25
第五章 結論27
參考文獻28

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