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free5GC: free the cellular core networks - Dr. Jyh-Cheng Chen
tags:
COSCUP2020
中階
RB105
歡迎來到 https://hackmd.io/@coscup/2020 共筆
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Learn More →點擊本頁上方的 開始用 Markdown 一起寫筆記!
手機版請點選上方 按鈕展開議程列表。
手機歷史演進
大哥大到穿戴式手機
手機與基地台
核心網路
中華電信建構 5G 網路花費了 73 億,其中核心網路花費了其中的 20 億。
3GPP
從 2G 到 5G 的核心網路演變史
2.5G -> 沒有明確的定義
3G -> 核心網路包含 packet switched 以及 circuit switched
3G 主要架構圖涵蓋:
radio access network
+packet switched
+circuit switched
。4G
5G
假設兩人坐在一起,並透過電信網路對話,實際路徑如下:
Person A -> 基地台 -> 核心網路 -> 基地台 -> Person B
此外,電信網路與一般網路也有本質上的差異,請見穿隧協議。
5G 應用面
Free5GC
Free5GC, Free 5 Generation Core 是一個依照 3GPP R15 標準製作的 5G 核心網路(屬於 SA 的 Core Network ),交大團隊早在 5G 標準修訂完成前就已經開始貢獻該開源專案。
延伸