13 Throughput RoundTrip Delay TimePacket Loss Rate Interarrival

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知識背景 (1/3) • 常見的網路效能指標有傳輸量(Throughput)、來回通訊延 遲(Round-Trip Delay Time)、封包遺失率(Packet Loss Rate) 與封包到達間隔時間的抖動(Inter-arrival Jitter) • 傳輸量(Throughput) –

知識背景 (1/3) • 常見的網路效能指標有傳輸量(Throughput)、來回通訊延 遲(Round-Trip Delay Time)、封包遺失率(Packet Loss Rate) 與封包到達間隔時間的抖動(Inter-arrival Jitter) • 傳輸量(Throughput) – 單位時間可成功傳送之平均資料量 – 量測單位通常是bps(bits per second)、Kbps (Kilobits per second)或Mbps(Megabits per second) 4 L A B

實驗設備 (1/2) • 硬體 – Small Cell： 研院開發的Small Cell – EPC： 研院開發的EPC – SIM

實驗設備 (1/2) • 硬體 – Small Cell： 研院開發的Small Cell – EPC： 研院開發的EPC – SIM Card：特製的實驗用LTE SIM Card – LTE Dongle：Bandrich Band. Luxe Dongle – UE：HTC Desire 820實驗手機與一般筆記型電腦 7 L A B

實驗設備 (2/2) • 軟體 – Ubuntu Linux 作業系統 – Wireshark封包擷取軟體 – gcc編譯器 – Voiptester

實驗設備 (2/2) • 軟體 – Ubuntu Linux 作業系統 – Wireshark封包擷取軟體 – gcc編譯器 – Voiptester (Android手機軟體) – Speedtest. net(Android手機軟體) 8 L A B

實驗步驟 (13 -1) • 13 -1. 開啟Voiptester，按下「Test Network」開始測試 22 L A B

實驗步驟 (13 -1) • 13 -1. 開啟Voiptester，按下「Test Network」開始測試 22 L A B

參考資料 • ITRI Small Cell 平台說明文件 • RFC 3550文件 https: //www. ietf. org/rfc 3550.

參考資料 • ITRI Small Cell 平台說明文件 • RFC 3550文件 https: //www. ietf. org/rfc 3550. txt 26 L A B

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