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研究生： 陳俊瑋
Chun-Wei Chen
論文名稱： 相差空間調變的多區塊檢測
Multiple block Detection for Differential Spatial Modulation
指導教授： 魏瑞益
Ruey-Yi Wei
口試委員:
學位類別： 碩士
Master
系所名稱： 資訊電機學院 - 通訊工程學系
Department of Communication Engineering
論文出版年： 2020
畢業學年度： 109
語文別： 中文
論文頁數： 36
中文關鍵詞： 相差
外文關鍵詞： Multiple
相關次數： 點閱：20  下載：0 
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    • 在行動通訊的多天線技術中，相差空間調變一次只使用一根天線，並藉由選擇傳送天線來多傳額外的資料位元，且可避免前導(pilot)訊號的浪費。傳統的相差空間調變使用兩區塊的相差檢測器，其錯誤率與同調檢測的錯誤率有一段明顯的差距。因此，本文基於以前低複雜度之兩區塊相差空間檢測，提出多區塊相差檢測方法，使其錯誤率接近同調檢測的錯誤率，又能兼顧低複雜度要求。除了原本的MPSK訊號以外，我們還將低複雜度的多區塊相差檢測用於APSK訊號，但在此情形，無法使用原本的檢測式，因此我們提出新的檢測式子，隨著區塊增加，其錯誤率也可以接近同調檢測。

    Among various multi-antenna technologies of mobile communication, differential spatial modulation (DSM) is a multi-antenna technique that uses only one antenna to transmit signals at a time and avoids pilot overhead. Traditional DSM uses a two-block differential detector, and its error rate is significantly different from that of coherent detection. Based on the existing low-complexity two-block differential detection, the thesis proposes a multiple block differential detection method, and makes its error rate close to the error rate of coherent detection, while taking into account the low complexity requirements. In addition to the original MPSK signal, we also use low-complexity multiple block detection for APSK signal, but in this case, the original detection formula cannot be used, so we propose a new detection formula. As the block length increases, its error rate can approach coherent detection.

    摘要 I Abstract II 誌謝 III 目錄 IV 圖目錄 V 第一章 緒論 1 1.1 背景與研究動機 1 1.2 內容介紹 2 第二章 相關背景回顧 3 2.1相差空間調變 3 2.2論文[14]低複雜度的非同調的最大可能性測器 6 2.3 使用APSK相差空間調變 8 第三章 使用MPSK的相差空間調變 10 3.1多區塊檢測架構 10 3.2低複雜度多區塊檢測方法 11 3.3.模擬結果 15 第四章 使用APSK的相差空間調變 19 4.1多區塊檢測架構 19 4.2 低複雜度多區塊檢測方法 20 4.2 模擬結果 23 第五章 結論 25 參考文獻 26

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