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研究生:蘇桓瑜
研究生(外文):Huan-Yu Su
論文名稱:相關性通道下總和傳輸速率最大化之放大轉發式MIMO雙向傳輸系統之天線選擇
論文名稱(外文):Capacity Based Antenna Selection Scheme for Two Way AF MIMO Systems in Correlated Channels
指導教授:胡家彰
指導教授(外文):Chia-Chang Hu
口試委員:張名先胡家彰劉宗憲劉維正
口試委員(外文):Ming-Xian ChangChia-Chang HuZong-Xian LiuWei-Zheng Liu
口試日期:2013-06-07
學位類別:碩士
校院名稱:國立中正大學
系所名稱:通訊工程研究所
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:2013
畢業學年度:101
語文別:中文
論文頁數:50
中文關鍵詞:多重輸入多重輸出雙向傳輸總和傳輸速率放大轉傳式天線選擇
外文關鍵詞:MIMOtwo-waysum rateamplify-and-forward (AF)antenna selection
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多重輸入多重輸出(multiple-input multiple-output, MIMO)無線通訊系統結合中繼網路(relay network)能夠顯著地改善分集增益(spatial diversity)與系統傳輸時的可靠度,且不需消耗多餘的傳輸能量即可有效率的擴大訊號之覆蓋範圍。然而,卻也提升高頻電路的個數與系統複雜度,使得成本也提高。為了有效控制成本下又能夠維持系統效能,天線選擇技術被提出。本文以多重輸入多重輸出結合多個雙跳(two-hop)模式放大轉傳式(amplify-and-forward, AF)多中繼節點雙向傳輸為架構,提出基於總合傳輸速率(sum rate)最大化的層狀中繼節點天線選擇演算法。最後,透過模擬,將現今被提出的雙向傳輸放大轉傳式天線選擇演算法,與本文所提出的層狀天線選擇演算法做比較,證明本文所提出的方法具有高總合傳輸速率。
Multiple-input multiple-output (MIMO) wireless communication systems combining with relay networks can obviously improve spatial diversity, transmission reliability and cover range without any further power consumption. However, MIMO communication system requires many radio frequency (RF) chains which are known to be quite expensive. Antenna selection schemes have been proposed in order to not only maintain system performance but also control the cost. In the thesis, a layered relay antenna selection algorithm is proposed based on the maximization of sum-rate in two-hop amplify-and-forward (AF) two-way MIMO multiple-relay systems under correlated channels. Finally, simulations results indicate that the proposed antenna selection algorithm compared with other existing antenna selection algorithms provides better sum-rate performance for half-duplex AF MIMO relay networks.
頁碼
中文摘要 i
英文摘要 ii
目錄 iii
圖目錄 v
表目錄 vi
第一章 導論 1
1.1 前言 1
1.2 研究動機 3
1.3 論文架構 4
第二章 合作式通訊系統與天線選擇原理 5
2.1 合作式通訊系統概念介紹 5
2.1.1 放大轉傳式中繼對策 9
2.1.2 解碼轉傳式中繼對策 10
2.2 天線選擇技術 11
2.2.1基本天線選擇演算法之概念 12
第三章 多中繼節點結合多輸入多輸出相關性通道 14
3.1 系統模型 14
3.2 空間相關性衰減通道模型 20
3.2.1 康瑞克模型簡介 20
3.2.2 康瑞克模型推導 21
3.2.3 相關性矩陣設定 24
第四章 天線選擇演算法 28
4.1 中繼節點天線選擇演算法介紹 28
4.2 隨機中繼節點選擇演算法 29
4.3 聯合天線選擇演算法(JAS) 30
4.4 範數天線選擇演算法(Norm) 33
4.5 Layer Antenna Selection天線選擇演算法 35
第五章 電腦模擬與分析 38
5.1 運算複雜度分析 38
5.2 演算法模擬與分析 41
5.2.1 中繼節點天線選擇演算法的模擬與分析 42
第六章 結論與未來展望 47
參考文獻 48

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