相容AX25KISS通訊協定之無線通訊系統開發

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謝定翰(Ding-Han Xie) 查詢紙本館藏

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機械工程學系

論文名稱

相容AX25KISS通訊協定之無線通訊系統開發

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摘要(中)

本論文目的為利用UHF/VHF 立方衛星無線通訊系統開發平台[1] ，開發相容AX.25/KISS通訊協定之無線通訊收發系統，並設計將整體系統模組化。
文中提及之系統規劃，包括可自由進行載波中心頻率、功率放大器之放大功率、站台呼號之設定。設計自動封包，自動解包，自動轉發等系統，並將功能方塊，狀態機，具體實現後，達成符合業餘無線電規範之無線電收發機。
並且實驗檢測本收發機系統與市售之業餘無線電設備間的通訊相容性，AX.25轉發機制的可靠性，及使用KISS通訊協議傳輸AX.25通訊協議封包是否成功。最後依照結果進行討論其缺點，及改善方法。

摘要(英)

The purpose of this thesis is to develop a wireless communication transceiver system compatible with the AX.25/KISS communication protocol using the UHF/VHF cubic satellite wireless communication system development platform [1], and design the overall system modularization.
The system planning mentioned in the paper includes freely setting the carrier center frequency, the amplification power of the power amplifier, and the station call sign. Design automatic packet, automatic unpacking, automatic forwarding and other systems, and the functional block, state machine, after the specific implementation, to achieve a radio transceiver that meets the amateur radio specifications.
And experimentally test the communication compatibility between the transceiver system and the commercially available amateur radio equipment, the reliability of the AX.25 forwarding mechanism, and whether the transmission of the AX.25 communication protocol packet using the KISS communication protocol is successful. Finally, the shortcomings and improvement methods are discussed according to the results.

關鍵字(中)

★ 無線收發機
★ 業餘無線電AX.25
★ KISS通訊協議

關鍵字(英)

論文目次

目錄
論文摘要 v
Abstract vi
致謝 vii
目錄 viii
圖目錄 xii
表目錄 xv
1. 緒論 1
1.1. 研究目的與動機 1
1.2. 文獻回顧 2
1.3. 研究構想 4
2. 理論基礎及技術背景 5
2.1. PC、TNC與Radio之關係 5
2.1.1. PC 5
2.1.2. TNC 5
2.1.3. Radio 5
2.2. AX.25通訊協議 6
2.2.1. AX.25 通訊協議簡介 6
2.2.2. 翻轉不歸零制 NRZI 6
2.2.3. Bit Stuffing與Bit Destuffing 7
2.2.4. AX.25 Frames 8
2.2.5. AX.25轉發機制 9
2.3. Modulation G3RUH 11
2.3.1. G3RUH 調變方式 11
2.3.2. G3RUH Baud 11
2.3.3. scrambler與descrambler 12
2.4. KISS通訊協議 13
2.4.1. KISS簡介 13
2.4.2. KISS data frames 13
2.4.3. KISS 控制碼 13
2.5. ASA LUTOS (LookUp Table Operating System) 15
2.5.1. ASA LUTOS 簡介 15
2.5.2. ASA LUTOS工作排程模組 15
2.5.3. ASA LUTOS 計時事件模組 16
2.6. C4M-UART 驅動函式 18
2.6.1. C4M-UART 驅動函式簡介 18
2.6.2. C4M-UART 驅動函式介紹 18
2.6.3. C4M-UART 驅動函式Mode 0封包格式 19
2.6.4. C4M-UART驅動函式Mode0交握機制 19
2.7. RemoRegister 遠端可讀寫暫存器 21
2.7.1. RemoRegister簡介 21
2.7.2. RemoRegister 函式介紹 21
3. 系統設計 22
3.1. 系統需求 22
3.2. 功能方塊 29
3.2.1. 全系統 29
3.3. 狀態機械圖表及說明 33
3.3.1. 系統設定監控處理器 33
3.3.2. 送訊檢幀及饋送器狀態 35
3.3.3. AX.25解包器/KISS封包器 36
3.3.4. AX.25封包器/KISS解包器 50
3.3.5. Bit stuffing 55
3.3.6. Bit destuffing 57
3.4. 具體實現 59
3.4.1. 電路設計 59
3.4.2. 通訊時序圖 61
4. 實驗設計 67
4.1. 發送AX.25封包功能測試 67
4.1.1. 實驗目的 67
4.1.2. 實驗設置 67
4.1.3. 實驗步驟 69
4.1.4. 實驗數據及分析 70
4.1.5. 實驗結果討論 71
4.2. AX.25轉發抗干擾能力測試 72
4.2.1. 實驗目的 72
4.2.2. 實驗設置 72
4.2.3. 實驗步驟 76
4.2.4. 實驗數據及分析 77
4.2.5. 實驗結果討論 84
4.3. 無線收發機通訊能力測試 85
4.3.1. 實驗目的 85
4.3.2. 發送C4M-UART模式，接收C4M-UART模式 85
4.3.3. 發送KISS模式，接收KISS模式 97
4.3.4. 發送KISS模式，接收AX.25模式 107
4.3.5. 發送C4M-UART模式，接收KISS模式 110
5. 結論 114
5.1. 本文貢獻 114
5.2. 未來展望 114
參考文獻 115

參考文獻

[1] 葉丞偉, "UHF/VHF 立方衛星無線通訊系統開發平台," 光機電工程研究所, 中央大學, 2019.
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[8] P. Karn, H. Price, and R. Diersing, "Packet radio in the amateur service," IEEE Journal on Selected Areas in Communications, vol. 3, no. 3, pp. 431-439, 1985.
[9] M. Chepponis and P. Karn, "The KISS TNC: A simple Host-to-TNC communications protocol," in 6th Computer Networking Conference, 1987, vol. 225, pp. 06111-1494.
[10] W. Simpson, "PPP in HDLC-like Framing," 2070-1721, 1994.
[11] N. S. LAB, "PHOENIX satellite," 2017. [Online]. Available: http://satellite.ncku.edu.tw/phoenix-introduction.html.
[12] J. R. Miller. "G3RUH 9600 Baud Packet Radio Modem." http://www.jrmiller.demon.co.uk/products/mod96.html (accessed.
[13] H. Zimmermann, "OSI reference model-the ISO model of architecture for open systems interconnection," IEEE Transactions on communications, vol. 28, no. 4, pp. 425-432, 1980.
[14] A. Amri and T. H. Hull, "TCP/IP header compression X. 25 networks," ed: Google Patents, 1996.

指導教授

江士標葉則亮(Shyh-Biau Jiang Tse-Liang Yeh)

審核日期

2019-7-17

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