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系統識別號 U0026-0208201723295200
論文名稱(中文) 以軟體定義無線電技術實作車間通訊系統
論文名稱(英文) The Implementation of Inter-Vehicle Communication System by Software-Defined Radio Technology
校院名稱 成功大學
系所名稱(中) 電信管理研究所
系所名稱(英) Institute of Telecommunications and Management
學年度 105
學期 2
出版年 106
研究生(中文) 吳禎祐
研究生(英文) Chen-Yu Wu
學號 R96041104
學位類別 碩士
語文別 中文
論文頁數 67頁
口試委員 指導教授-陳文字
口試委員-李威勳
口試委員-林福林
口試委員-林易泉
中文關鍵字 軟體定義無線電  自組織分時多工  時分多工  VANET  IEEE802.11p  CSMA/CA 
英文關鍵字 Software-Defined Radio  Self-Organizing Time-Division Multiplexing  Access  VANET  IEEE802.11p  CSMA / CA 
學科別分類
中文摘要 隨著資通訊的發展逐漸成熟,透過無線網路技術的應用也越來越多,並且利用網路將不同的設備串連起來,而這就是所謂的聯網,也因此汽車為主要的發展之一,為了使汽車行駛安全更加提升,必須透過互連來取得汽車間的資訊,為此電機工程協會特別為車間通訊訂定了相關的標準,也因此近年來有許多相關研究不斷地在探討其穩定性,除了原本訂定的IEEE802.11p及IEEE1609兩套標準之外,許多相關的協定也在持續的被研究中,而本論文提出利用於自動辨識系統(Automatic Identification System,AIS)中的其中一項協定技術,自組織分時多工(Self-Organized Time Division Multiple Access,SOTDMA)技術來發展車輛間通訊並測試其穩定性,並且利用軟體定義無線電技術來實作,且結合載波偵測多重存取/避免碰撞(Carrier Sense Multiple Access with Collision Avoidance, CSMA/CA)特性實作雙工平台,而軟體定義無線電擁有極大的調整彈性,因此在設計上可以即時的測試跟修改,未來若能實際的使用,也會讓平台間的互聯更有彈性。
英文摘要 In this age of blooming information, communication systems are gradually evolving with the application of wireless network technology and the process of connecting different devices using Internet i.e. the Internet of Things (IoT). Among them, Internet of Vehicles is one of the main applications in IoT. In order to enhance the safety of vehicles, some interconnections between the cars to obtain information are required. Although the Institute of Electrical and Electronics Engineers (IEEE) sets the relevant standards for vehicle communication, recent research continues to explore the stability of vehicle communication. Except the original standards (IEEE802.11p and IEEE1609), many of the relevant agreements are also under examination. This study uses self-organized time division multiple access (SOTDMA), one of the automatic identification system (AIS) protocols, to develop the inter-vehicle communication system and test its stability. Thereafter, a duplex system is implemented by using software-defined radio (SDR) and carrier sense multiple access with collision avoidance (CSMA/CA). Since SDR has great elasticity to adjust, any modifications in the design can be instantly achieved. This approach makes the interconnection between different vehicle platforms more flexible.
論文目次 表目錄.........................................x
圖目錄.........................................xi
第一章 緒論....................................1
1.1 研究背景及動機..........................1
1.2 研究目的................................4
1.3 論文架構................................5
第二章 文獻探討.................................6
2.1 自組織分時多工...........................7
2.2 車間通訊實做於軟體定義無線電..............7
2.3 小結....................................8
第三章 研究架構..................................9
3.1 軟體平台................................9
3.2 硬體設備................................11
3.2.1 USRP 架構及電路應用......................13
3.3 自組織分時多工(SOTDMA)...................14
3.3.1 SOTDMA特性..............................14
3.3.2 SOTDMA參數及架構.........................15
3.3.3 利用SOTDMA特性設計傳輸流程................22
3.4 Gaussian minimum-shift keying (GMSK)....23
3.4.1 GMSK 架構於軟體定義無線電.................25
3.4.2 設計GMSK調變.............................25
3.5 Time Division Duplex System設計..........27
3.6 載波偵測多重存取/避免碰撞(Carrier Sense Multiple Access with Collision Avoidance, CSMA/CA).................................28
3.6.1 CSMA分類...................................29
3.6.2 CSMA工作機制...............................30
3.7 實驗架構設計..............................31
3.7.1 系統傳送端設計............................35
3.7.2 系統接收端設計............................37
3.7.3 利用USRP硬體結構設計半雙工.................38
3.7.4 利用Script設計半雙工......................39
3.7.5 非同步時分雙工(Time-Division Duplexing, TDD)..........................40
3.7.6 主要系統架構設計...........................41
3.7.7 車載資料設計..............................43
3.8 實驗數值的取得和評估.......................44
第四章 研究結果...................................45
4.1 單一收發測試..............................46
4.2 Frequency-Division Duplexing.............48
4.3 半雙工....................................50
4.4 信號偵測..................................55
4.5 主要架構測試..............................56
4.6 研究結果探討..............................63
4.6.1 研究探討....................................63
第五章 結論.......................................64
5.1 結論......................................64
5.2 未來研究方向...............................64
參考文獻..........................................65

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