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研究生:鄧至皓
研究生(外文):Chih-Hao Teng
論文名稱:裝置間通訊下資源分配演算法之比較分析
論文名稱(外文):Resource Allocation Algorithm Analysis In Device-to-Device Communication
指導教授:林嘉慶林嘉慶引用關係
指導教授(外文):Jia-Chin Lin
學位類別:碩士
校院名稱:國立中央大學
系所名稱:通訊工程學系
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:2016
畢業學年度:104
語文別:中文
論文頁數:57
中文關鍵詞:裝置對裝置通訊資源分配基於位置訊息資源分配演算法
外文關鍵詞:Device-to-Device communicationResource allocationLocation resource allocation algorithm
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近年行動通訊技術蓬勃發展,頻寬的需求日益增多,但是用於無線行動通訊 的頻譜資源相當有限,所以研究無線行動通訊系統的資源管理問題,並且提高頻譜資源的利用率一直是很熱門的研究課題,為了解決頻譜資源不足的問題,裝置對裝置通訊(Device-to-device, D2D)技術隨之發展。
D2D通訊是一種在4G LTE系統的控制下,允許終端裝置間通過複用頻譜資源直接進行點對點通訊的技術,它能夠提高蜂巢式網路的頻譜效率、降低終端發射功率,在一定程度上解決無線通訊系統頻譜資源匱乏的問題,與其他短距離通訊方式相比(如藍芽、Wi-Fi),D2D通訊系統使用的是授權的許可頻段,這類通訊必須接受基地台的集中控制,且D2D用戶進行資料傳輸時,不能嚴重影響蜂巢式用戶(Cellular user)的通訊品質。D2D通訊系統通過複用頻譜資源使得頻譜資源利用率提升,但是複用頻譜資源的時候會與用戶產生訊號干擾,為了減少訊號干擾,同時提升系統的頻譜利用率,利用資源分配法可以解決此問題,本文所討論的資源區塊(Resource block, RB)皆為可被複用情況,將資源區塊分配給蜂巢式用戶後,D2D用戶再透過資源分配演算法複用已分配的資源區塊,如此可以將訊號干擾控制在一定的範圍內,使得系統的吞吐量和頻譜使用率達到最大。本文模擬3種不同的D2D資源分配演算法並進行比較,分析其性質,結果顯示,當D2D用戶增加時,使用D2D資源分配演算法可以有效降低干擾,讓系統整體的吞吐量變大。

In recent years, mobile communication technologies to flourish, increasing demand for bandwidth, but spectrum resources for wireless mobile communication is very limited. Therefore, the study of resource management issues of wireless mobile communication system and improve the spectrum utilization of resources has been a very popular research issues. In order to solve the problem of insufficient spectrum resources, technology of communication D2D will be developed.
D2D communication is under control of 4G LTE system allowing inter-terminal device by directly connect by point to point communications technology. It is possible to improve the spectral efficiency of cellular networks, reducing transmit power and solving wireless spectrum problem of crowded users. Compared with other short-range communication (such as Bluetooth, Wi-Fi), D2D communication is using an authorized licensed spectrum. These communications are controlled by the base station. In order to reduce signal interference, using the resource allocation method can solve this problem.

第一章 緒論 1
1.1研究背景 1
1.2研究動機 4
1.3文獻探討 18
1.4論文大綱 19
第二章 系統架構 20
2.1 LTE的系統架構 20
2.2無線通道環境介紹 21
2.3 D2D通訊模式 28
2.4研究貢獻 33
第三章 裝置對裝置通訊資源分配法與模擬結果 34
3.1系統模型 34
3.2 D2D通訊問題的建構 36
3.3 D2D資源分配法 38
3.4模擬環境與參數 42
3.5模擬結果 43
第四章 結論 46
參考文獻 47

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