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研究生： 陳式倫
Shih-Lun Chen
論文名稱： 進階的相差空間調變方案
Advanced Differential Spatial Modulation Schemes
指導教授： 魏瑞益
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： 2021
畢業學年度： 109
語文別： 中文
論文頁數： 58
中文關鍵詞： 相差空間調變 、廣義相差空間調變 、空間調變
外文關鍵詞： generalize differential spatial modulation, differential spatial modulation, spatial modulation
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    • 在本論文中，我們研究兩種相差空間調變，第一種是在兩個區塊間多傳一個位元的相差調變，我們提出了一種新的位元映射法，它比原來的方案有更好的位元錯誤率，第二種是廣義相差空間調變，我們考慮在相差空時調變上使用符元交錯的廣義相差空間調變方案。我們推導出交錯樣式的數量，並且還提出了具有傳送多樣性為2的交錯樣式。將符元式的傳送順序分解為區塊式的傳送順序和交錯樣式，通過選擇交錯樣式，所提出的方案比現有的廣義相差空間調變方案具有更高的傳輸速率。距離分析和電腦模擬均發現所提出的方案具有較好的錯誤性能。

    In this thesis, we research two kinds of differential spatial modulation(DSM). One is increased-rate DSM by transmitting one additional data bit per two blocks. We propose a new bit mapping method, which has the lower bit error rate than the original scheme. The other is generalized DSM(GDSM), we consider a GDSM scheme that uses symbol interleaving on differential space-time modulation. The number of interleaving patterns is derived, and interleaving patterns with transmit diversity two are created as well. By selecting the interleaving patterns, the proposed scheme has higher data rates than the existing GDSM scheme. Distance analysis and computer simulation both show that the proposed scheme has satisfactory error performance.

    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[14]提出的低複雜度非同調最大可能性檢測器 7 2.3 空時區塊碼 9 2.4 廣義相差空間調變 10 2.5 增加速率之相差空間調變 11 2.6 使用符元交錯相差空時調變的廣義相差空間調變 14 2.6.1.傳送端: 14 2.6.2 交錯樣式 17 2.6.3 接收端 19 第三章 增加速率的相差空間調變改進 21 3.1 新的位元映射的方法 21 3.2 模擬結果 25 第四章 頻寬效益的廣義相差空間調變 27 4.1 區塊式的傳送順序 27 4.2 符元式的傳送順序 30 4.3 傳送端 33 4.4 交錯樣式 36 4.5 接收端與模擬結果 40 第五章 結論 45 參考文獻 46

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