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研究生:周易慶
研究生(外文):Yi-Ching Chou
論文名稱:全雙工中繼站之干擾管理研究
論文名稱(外文):Study on Full-Duplex Relay Network with Interference Management
指導教授:張進福張進福引用關係
口試委員:蔡榮宗黃家麒梁耀仁
口試日期:2015-07-18
學位類別:碩士
校院名稱:國立臺灣大學
系所名稱:電信工程學研究所
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2015
畢業學年度:103
語文別:中文
論文頁數:60
中文關鍵詞:中繼站全雙工頻譜使用效率雙向傳輸自我干擾
外文關鍵詞:RelayFull-DuplexSpectral efficiencytwo-wayself-interference
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全雙工(Full-Duplex, FD)傳輸是一項可以改善頻帶使用效率(Spectral efficiency)的重要技術,與傳統的半雙工(Half-Duplex, HD)相較,全雙工可以讓端點(node)在同個頻帶上同時進行傳輸與接收,因此能大幅提升頻譜的使用效率。然而,由於端點同時進行傳輸與接收,因此端點的接收訊號會受到自己本身的傳輸訊號干擾,稱作自我干擾(Self-interference),這是使用全雙工傳輸的最需要克服的問題。本論文中,主要致力於全雙工傳輸在中繼站(Relay)上的應用,首先在兩個端點經由中繼站全雙工單向傳輸的情況下,假設中繼站傳輸沒有處理延遲(Processing Delay) ,對中繼器的預編碼矩陣(Precoding Matrix)與組合矩陣(Combining Matrix)進行設計,消除全雙工中繼站自我干擾的影響,進而使整個系統的通道容量(Channel Capacity)最大化,接著我們將系統的兩個端點的傳輸從半雙工的模式轉換成全雙工的模式,讓兩個端點同時進行雙向的傳輸,並將中繼站的處理延遲加入問題的研究中,設計中繼站的預編碼矩陣與組合矩陣,在抑制自我干擾的情況下,最佳化整個系統的總和速率(Sum-Rate),最後會比較系統使用全雙工模式與半雙工模式傳輸之間的差異。

Full-Duplex transmission is an important technology to improve spectral efficiency. By contrast with traditional half-duplex transmission, Full-Duplex allows node to transmit and receive simultaneously on the same frequency bands. It can significantly improve the spectral efficiency. However, due to the simultaneous transmission and reception, it will result in self-interference from the transmitter to the receiver. Thus the key to full-duplex transmission is first to resolve issues arising from self-interference.
In this thesis, we study full-duplex transmission applied particularly on the relay. We first consider one way transmission, and assume that there is no processing delay in relay’s transmission. In this regard design the combining matrix and precoding matrix to maximize the channel capacity of full-duplex relay channel. We then consider two-way relay channels, and also take the processing delay into account. In this system with self-interference suppressed the maximum sum rate is analyzed. Finally we will compare full-duplex relay networks with half duplex ones.


誌謝 i
中文摘要 ii
ABSTRACT iii
CONTENTS iv
LIST OF FIGURES vi
LIST OF TABLES vii
Chapter1 緒論 1
1.1 研究背景與現況 1
1.2 全雙工與半雙工之傳輸模式 2
1.3 中繼站的傳輸模式 5
1.3.1 半雙工中繼站 5
1.3.2 全雙工中繼站 9
1.4 研究動機 10
1.5 符號介紹 11
1.6 論文架構 11
Chapter2 全雙工之自我干擾 14
2.1 文獻探討 14
2.2 全雙工中繼站之系統 15
2.2.1 天線配置 16
2.2.2 全雙工中繼站的傳輸方式 17
2.2.3 空間流 18
2.3 全雙工自我干擾的消除技術 19
2.4 全雙工自我干擾之模擬結果與討論 22
2.4.1 系統模型 23
2.4.2 模擬結果分析 24
Chapter3 全雙工模式中繼站之單向傳輸 26
3.1 章節簡介 26
3.2 系統模型 26
3.2.1 系統模型與訊號分析 26
3.3 中繼站的放大矩陣設計 30
3.4 模擬結果與比較 32
3.5 章節結論 36
Chapter4 全雙工模式中繼站之雙向傳輸 37
4.1 章節簡介 37
4.2 系統模型 37
4.3 中繼站之預編碼矩陣與組合矩陣設計 41
4.3.1 單向速率設計法 41
4.3.2 總和速率設計法 43
4.3.3 保證服務品質設計法 44
4.4 模擬結果與討論 49
4.5 章節結論 54
Chapter5 總結及未來展望 55
Chapter6 參考文獻 58


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