相差空間調變的進階結果

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姓名

蔡譯緯(Yi-Wei Tsai) 查詢紙本館藏

畢業系所

通訊工程學系

論文名稱

相差空間調變的進階結果
(Further Results on Differential Spatial Modulation)

相關論文

★ 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	★ 循環字首及補零正交分頻多工系統在時序同步上之效能比較

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摘要(中)

相差空間調變是一種一次只使用一根天線傳送訊號的多天線技術，藉由選擇傳送天線可以多傳額外的資料位元，並避免前導(pilot)訊號的浪費。
在本論文中，提出了三個相差空間調變的改良設計，一個是增加速率的相差空間調變，透過每兩個區塊間多傳一個資料位元的方式。另一個是增加多樣性的相差空間調變，在論文[4]中是使用重複符元的方式，在本篇論文我們提出了不同的方法來增加它的多樣性，通過適當的設計區塊碼和複數天線索引矩陣，可以實現我們所期望的傳送多樣性，和論文[4]的方法相比，我們的碼字有著更高傳輸速率。最後一種為將論文[32]籬柵編碼方法應用在傳送多樣性等於天線數量的相差空間調變，在傳送矩陣方面，分為一般的正交矩陣和超級正交矩陣，在傳輸速率相同的情況下，論文[32]的方法有著更好的錯誤效能。

摘要(英)

Differential spatial modulation (DSM) is a multi-antenna technique that uses only one antenna to transmit signals at a time and avoids pilot overhead. By selecting the transmitting antenna, additional data bits can be transmitted.
In this paper, we propose three improved designs of DSM. One is increased-rate DSM by transmitting one additional data bit per two blocks. Another is increased-diversity DSM. To increase diversity, DSM using repeated symbols was proposed in [4]. In this paper, we propose a different approach to increase diversity of DSM. By properly designing block coded modulation and complex antenna-index matrices, the desired diversity order can be achieved. Compared with the existing schemes with the same diversity, our codes achieve higher transmission rates. The other is to apply the trellis-coded method to the full-diversity DSM. In terms of the transmission matrix, it is divided into a general orthogonal matrix and a super-orthogonal matrix. The method of [32] has better error performance when the transmission rate is the same.

關鍵字(中)

★ 相差空間調變
★ 區塊編碼調變
★ 編碼
★ 調變
★ 非同調
★ 相差編碼

關鍵字(英)

★ DSM
★ TCM
★ BCM

論文目次

摘要 I
Abstract II
誌謝 III
目錄 IV
圖目錄 VI
表目錄 VII
第一章緒論 1
1.1 背景與研究動機 1
1.2 內容介紹 3
第二章相關背景回顧 4
2.1 相差空間調變 4
2.2 論文[27]提出的低複雜度非同調最大可能性檢測器 7
2.3 籬柵編碼之相差空時調變 9
第三章區塊編碼之相差空間調變 11
3.1 傳送多樣性為2的相差空間調變 11
3.2 傳送多樣性為3的相差空間調變 15
3.3 傳送多樣性為N_T的相差空間調變 18
第四章增加速率的相差空間調變 19
方法1: 19
方法2: 19
第五章籬柵編碼之相差空間調變 23
5.1 16個傳送矩陣的籬柵編碼之相差空間調變 23
5.1.1 集合分割 24
5.1.2 迴旋碼編碼器 25
5.1.3 籬柵圖 26
5.2 32個傳送矩陣的籬柵編碼之相差空間調變 28
5.2.1 集合分割 28
5.2.2 迴旋碼編碼器 30
5.2.3 籬柵圖 31
第六章結論 33
參考文獻 34

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

2019-6-28

推文