使用16QAM的相差空間調變之多區塊檢測

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陳達葳(Da-Wei Chen) 查詢紙本館藏

畢業系所

通訊工程學系

論文名稱

使用16QAM的相差空間調變之多區塊檢測
(Multi-block Detection for Differential Spatial Modulation Using 16QAM)

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)

大部分的相差空間調變研究，都是使用MPSK訊號。相較於MPSK訊號，APM (amplitude phase modulation)訊號包括APSK和QAM (quadrature amplitude modulation)，是一種比較具有頻寬效率的選擇。既有文獻中相差空間調變使用APSK訊號的只有幾篇，但是都沒人研究使用QAM。在本篇論文，我們研究使用APM的相差空間調變和長區塊相差空間調變。當相差空間調變使用多區塊檢測時，我們考慮使用16QAM訊號，不過原本的檢測式無法針對16QAM使用，因此在本篇論文提出了新的檢測方式，其結果與使用16APSK訊號一樣，當觀察的區塊越長，其錯誤率接近同調檢測。最後，我們將16QAM與16APSK使用在長區塊相差空間調變的系統架構。當在接收天線等同傳送天線的情況下，隨著區塊長度的增加，錯誤率會變好。

摘要(英)

Most of the research on differential spatial modulation (DSM) utilizes MPSK signals. Compared to MPSK signals, APM (amplitude phase modulation) signals, including APSK and QAM (quadrature amplitude modulation), offer a more bandwidth-efficient choice. Although there are only a few existing studies on DSM using APSK signals, none of them have explored the use of QAM. In this paper, we investigate the use of APM in both differential spatial modulation and long-block DSM. When employing multi-block detection for DSM with APM, we consider using 16QAM signals. However, the existing detection scheme is not applicable to 16QAM. Therefore, we propose a new detection method in this paper, which achieves the same performance as using 16APSK signals. As the observation block length increases, the error rate approaches coherent detection. Finally, we present a system architecture for long-block DSM using both 16QAM and 16APSK. Under the assumption of matched transmit and receive antennas, the error rate improves with increasing block length.

關鍵字(中)

★ 相差空間調變
★ 多區塊檢測

關鍵字(英)

★ quadrature amplitude modulation
★ differential spatial modulation

論文目次

摘要 IV
Abstract V
目錄 VI
圖目錄 VIII
表目錄 IX
第一章緒論 1
第二章相關背景回顧 3
2.1 相差空間調變 3
2.2 低複雜度檢測 4
2.3使用APSK相差空間調變 6
2.4 使用APSK的相差空間調變之多區塊檢測架構 8
2.4.1 低複雜度多區塊檢測方法 8
2.5 長區塊相差空間調變 10
2.5.1 位元映射與參考順序 12
2.5.2 低複雜度檢測 13
第三章使用QAM的相差空間調變 17
3.1 系統架構 17
3.2 錯誤率模擬與分析 21
第四章長區塊相差空間調變 31
4.1 系統架構 31
4.2錯誤率模擬結果分析 32
第五章結論 34
參考文獻 35

參考文獻

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指導教授

魏瑞益(Ruey-Yi Wei)

審核日期

2023-7-19

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