博碩士論文 101523048 詳細資訊




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姓名 溫光明(Kuang-Ming Wen)  查詢紙本館藏   畢業系所 通訊工程學系
論文名稱 適用多用戶多輸出輸入系統之低複雜度比例公平性排程設計
(Low Complexity User Grouping for Proportional Fair Multi-User MIMO Scheduling)
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摘要(中) 隨著多媒體應用與技術的發展行動寬頻網路對於頻寬的需求也越
來越高,致使要求相當高的頻譜資源利用效率,在弴彇網路中高速率
上弯下行傳輸已是基本的要求之一。空間分集多工接取技術已被視為
是下一個增加頻譜使用效率的方法之一,多用戶多輸出輸入天線技術
即為空間分集多工接取的實際應用方式之一。
在本文中,我們提出了在單一個基地台弨彳彩彮彧彬彥弭彣彥彬彬弩中考慮到通道
狀況與資源使用公平性,選取數個使用者弨录彅彳弩服務時能使系統整體
有著近似最佳傳輸效能 的多用戶多輸出輸入天線技術的排程方法
現今考慮到通道狀況與公平性的方法的討論限制服務群組內的使
用者為兩位,並在已知通道狀況與前置編碼時先依照單用戶多輸出輸
入天線技術選擇一位使用者作為服務群組的第一位使用者,第二位使
用者選擇將基於第一位使用者。本篇論文沒有限制服務群組內的使用
者數量,此外還提出依照使用者回報的通道狀況與前置編碼方式簡化
服務群組選擇的演算法,前置編碼的討論也包括長期演進技術中定義
的編碼簿方式與迫零預編碼兩種。最後,數值模擬比較了本篇與其他
文獻的方法、包括效能與公平性兩方面。
摘要(英) With the development of multimedia applications and mobile broadband technology network, bandwidth demand is much more higher than before, it causes frequency efficiency higher and higher.
Actually, high-speed downlink/uplink transmission in 4G wireless system has been one of basic requirement.
Spatial-Division Multiple Access(SDMA) is one of the solutions to improve frequency efficiency; Multi-User Multi-Input Multi-Output(MU-MIMO) is one the application of SDMA.

In the paper, we proposed a single-cell scheduling considering both channel quality and fairness that improve the performance and fairness when scheduler selects UE pair.
Existing paper which discuss about proportional fair MU-MIMO is only about two UE pair. For proposed algorithm in this paper, there is no limitation of the UE number in pair, besides we further discuss about LTE codebook and ZF precoding and give some comparison in simulation result.
關鍵字(中) ★ 公平性
★ 行動寬頻網路
★ 多用戶多輸出輸入天線
★ 公平性
★ 行動寬頻網路
關鍵字(英) ★ Fairness
★ mobile broadband network
★ multi-user MIMO
論文目次 中文摘要...i
英文摘要...ii
謝誌...iii
目錄...iv
圖目錄...vi
表目錄...viii
一、序論...1
1.1前言...1
1.2研究動機...2
1.3論文架構...3
二、相關研究背景...4
2.1MIMO系統...4
2.2MU-MIMO系統...8
2.3現有的PF排程機制...10
三、系統架構...12
3.1系統模型描述...12
3.2SU-MIMO系統模型...13
3.3MU-MIMO系統模型...15
3.4預編碼方法...17
3.4.1LTE codebook...17
3.4.2Zero-forcing precoding...18
3.5PF排程機制...19
四、MU-MIMO系統架構下的低複雜度PF排程設計...20
4.1MU-MIMO系統PF排程問題定義...20
4.2基於SNR估測之理論推導...22
4.3基於SNR估測之PF排程機制設計...25
4.4現有方法比較...28
五、數值模擬及分析...31
5.1模擬環境與參數設定...31
5.2使用LTE codebook效能...33
5.3使用ZF precoding效能...36
5.4效能總結與對比...39
六、結論...44
參考文獻...47
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指導教授 黃志煒(Chih-Wei Huang) 審核日期 2014-7-29
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