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題名 | 高鐵LTE鏈路預算之效能預測與驗證測試=Performance Prediction and Verification Testing of LTE Link Budget over High Speed Rail |
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作者 | 吳俊民; 陳世揚; | 書刊名 | 電腦與通訊 |
卷期 | 159 2014.10[民103.10] |
頁次 | 頁38-45 |
專輯 | V2X智慧行車輔助技術與應用專題 |
分類號 | 448.6 |
關鍵詞 | 高速鐵路; 長期演進技術; 鏈路預算; 傳輸控制協定; High speed rail; HSR; Long term evolution; LTE; Link budget; Transmission control protocol; TCP; |
語文 | 中文(Chinese) |
中文摘要 | 4G LTE可以提供高鐵乘客更快更穩定的無線網路品質。4G LTE網路覆蓋規劃是網路建置的過程中非常重要的環節,而鏈路預算(Link Budget)是網路覆蓋的規劃常用的工具。在本篇論文中,除了考量高鐵環境對於網路建置之不可抗因素之外,就網路建置規畫進行訊號強度與TCP效能預測以期可以達到理想的傳輸速率,LTE基站實際建置完成後我們也進行基本的連通測試與效能驗證,從測試結果中,我們可以發現目前各個基站的連通功能均可以正常運作之外,在新竹站南邊細胞的下行TCP效能平均能夠達到約70Mbps。藉此可以提供未來高速移動細胞規劃與佈建一個重要的參考依據。 |
英文摘要 | 4G LTE can provide high-speed rail (HSR) passengers the higher and the more stable wireless network quality. Coverage planning is very essential for deployment of 4G LTE and link budget is the most commonly tool. In addition to consider the factors could not resist for HSR environment, in this paper, we perform the predictions of signal strength and TCP performance for cell planning to achieve the desired transmission data rate. After the deployment of LTE eNBs are completed, we also perform the basic connectivity testing and performance verification. From the testing results, we can find that current attachment of each LTE eNB can work well and the downlink average TCP throughput of southern cell at Hsinchu station can achieve about 70Mbps. Thereby providing an important reference of high mobility cell planning and deployment. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。