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研究生:林子軻
研究生(外文):Zi-Ke Lin
論文名稱:在Nakagami-m衰減下雲端無線連接網路中遍歷容量的效能分析
論文名稱(外文):Performance Analysis of Ergodic Capacity in Cloud Radio Access Networks With Nakagami-m Fading
指導教授:吳燦明
指導教授(外文):Tsan-Ming Wu
學位類別:碩士
校院名稱:中原大學
系所名稱:電機工程研究所
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:2018
畢業學年度:106
語文別:中文
論文頁數:37
中文關鍵詞:雲端無線連接網路遍歷容量5G 無線通訊
外文關鍵詞:Cloud radio access networkergodic capacity5G wireless communication
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在雲端無線連接網絡(C-RAN)中將用戶表現為遠程無線電頭(RRH)關聯策略對於性能優化至關重要。在本篇論文中我們探討了基於單個最近地的RRH與Nakagami-m衰減和路徑損耗衰減的C-RAN模型以及得到了單個最近和N個最近的RRH關聯策略,並分析了對C-RAN的遍歷容量的相對應影響,其中RRH根據靜止點過程分佈。在實驗分析中,參數mL不局限於整數,其中L是每個RRH 的天線數量。然而對於兩類功率路徑損耗的指數,我們得出了遍歷容量的幾個閉合形式表達式,在不限於高SNR方案的情況下,還有推導出所提出的RRH關聯策略的遍歷容量的封閉表達式。此外,為一般情況提供了緊密下界的封閉形式表達。最後,提供了模擬和數值積分的結果以顯示交叉驗證。
Characterizing user to Remote Radio Head (RRH) association strategies in cloud radio access networks (C-RANs) is critical for performance optimization.In this paper, We investigate a C-RAN model based on single nearest RRH association with Nakagami-m fading and path-loss fading ,the single nearest and N–nearest RRH association strategies are presented, and the corresponding impact on the ergodic capacity of CRANs is analyzed, where RRHs are distributed according to a stationary point process.
In the analysis the parameter mL is not restricted to be an integer, where L is the number of antennas per RRH. We derive several closed-form expressions for the ergodic capacity, not restricted to the high SNR regime and Closed-form expressions for the ergodic capacity of the proposed RRH association strategies are derived. for two classes of power path loss exponents.
Moreover, the closed-form expression of a tight lower bound is provided for general scenarios. Finally, the results of simulation and numerical integration are provided to show the crossverification.
中文摘要 i
Abstract ii
誌謝 iii
Acknowledgements iv
目錄 v
圖目錄 vi

1 緒論 1
1.1 研究動機及目的 1
2 雲端無線連接網路系統 2
2.1 簡介 2
2.2 架構 4
2.3 優點 5
2.4 RRH 系統 6
2.4.1 單個最近的RRH 組合 7
2.4.2 N 個最近的RRH 組合 8
3 在Nakagami-m 衰減下遍歷容量的閉式表達式效能分析 9
3.1 系統模型 9
3.2 Nakagami-m 衰減對遍歷容量的影響 11
3.3 指數 α為有理數 13
3.4 指數 α為任意實數 17
4 模擬結果 18
5 結論與未來展望 26
References 27
個人簡介 31

圖目錄 vi
圖2-1 具有多模式支持的C-RAN基礎架構 4
圖4-1 遍歷容量與發射功率PU 20
圖4-2 遍歷容量與天線數L 21
圖4-3 遍歷容量與功率的關係, α=4/3,L=2 22
圖4-4 遍歷容量與功率的關係, α=2,L=2 23
圖4-5 遍歷容量與功率的關係, α=4,L=2 24
圖4-6 遍歷容量與功率路徑損耗指數 25
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