相差位元交錯編碼之8PSK

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姓名

邱則融(Ze-Rong Ciou) 查詢紙本館藏

畢業系所

通訊工程學系

論文名稱

相差位元交錯編碼之8PSK
(Differential Bit-Interleaved Coded 8PSK)

相關論文

★ 全像光資訊儲存系統的編解碼	★ 具有快速改變載波相位之籬柵編碼MPSK 的非同調解碼
★ 用於非同調解碼之多層次編碼調變	★ 么正空間時間籬柵碼之解碼演算法
★ 由多層次編碼所架構之非同調碼	★ 用於非同調檢測之與空時區塊碼連結的區塊編碼調變
★ 用於正交分頻多工系統具延遲處理器的空時碼	★ 用於非同調區塊編碼MPSK之A*解碼演算法
★ 在塊狀衰退通道上的籬柵么正空時調變	★ 用於非同調區塊編碼MPSK之Chase演算法
★ 使用決定回授檢測之相差空時調變的一種趨近同調特性	★ 具延遲處理器的空時碼之軟式輸入輸出遞迴解碼
★ 用於非同調區塊編碼MPSK的最大可能性解碼演算法	★ 具頻寬效益之非同調調變
★ 非同調空時渦輪碼	★ 循環字首及補零正交分頻多工系統經預編碼後之頻譜比較

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摘要(中)

位元交錯編碼調變是適合連續衰退通道的通道碼，而位元交錯編碼調變加上遞迴解碼則可提供比位元交錯編碼調變更佳的錯誤效能。因為使用前導符元估測通道係數的同調位元交錯編碼調變會造成速率損失，所以我們在位元交錯編碼調變(或使用遞迴解碼之位元交錯編碼調變)的傳送端使用相差編碼，並使用不同的非同調接收端，以電腦模擬其錯誤效能。在本篇論文中，我們使用了三種不同位元計量，其在雷列連續衰退通道下可以比一般使用前導符元的做法達到更佳的錯誤效能。我們更進一步使用遞迴解碼，經由模擬發現使用遞迴解碼之位元交錯編碼調變，其錯誤效能皆比無遞迴解碼之位元交錯編碼調變佳。

摘要(英)

Bit-Interleaved Coded Modulation (BICM) is a suitable channel coding in continuous fading channel. BICM with iterative decoding (BICM-ID) can provide better performance than BICM. But using pilot symbols will cause rate loss, so we add a differential encoder at the transmitter, and try different noncoherent receivers. We use computers to simulate the BICM (or BICM-ID) systems. In this thesis, we try three different metrics which can achieve better error performance than the system which uses pilot symbols. We further adopt iterative decoding at the receiver, and we observe that BICM-ID have better performance than BICM by simulation.

關鍵字(中)

★ 相差位元交錯編碼

關鍵字(英)

論文目次

目錄
摘要................................................................I
Abstract.......................................................................II
誌謝.............................................................III
目錄………………………………………………………………..VI
圖表目錄.....................................................................VIII
第一章緒論...................................................1
1.1研究動機................................................1
1.2內容介紹............................................1
第二章回顧位元交錯編碼調變...................................3
2.1迴旋碼基本架構.........................................3
2.2 位元擷取技術.............................................6
2.3 位元交錯器...............................................7
2.4維特比解碼演算法.....................................8
2.5位元交錯編碼調變系統架構..........................9
2.6同調位元交錯編碼調變之位元計量..................12
第三章相差位元交錯編碼調變..................................15
3.1 雷列衰退通道.........................................15
3.2前導符元插入的同調系統……...................18
3.3 相差位元交錯編碼調變..............................20
3.3.1 相差位元交錯編碼調變之傳送端…..………20
3.3.2第一種位元計量................................20
3.3.3第二種位元計量................................21
3.3.4第三種位元計量................................22
第四章使用遞迴解碼之相差位元交錯編碼調變.................30
4.1使用遞迴解碼之位元交錯編碼調變與前導符元輔助
之調變回顧………………………………...……30
4.2接收端使用第三種位元計量與遞迴解碼……...35
第五章結論....................................................43
參考文獻............................................................44

參考文獻

參考文獻
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指導教授

魏瑞益(Ruey-Yi Wei)

審核日期

2013-8-7

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