EPISODE · May 23, 2025 · 8 MIN
UE接入gNB流程解析：MIB到隨機接入
from D+ 底加 · host 咚咚
詳細解釋了使用者設備 (UE) 如何連接到 5G 基地台 (gNB) 的流程。過程中，UE 首先接收並解碼 主資訊區塊 (MIB) 以獲得基本配置，接著獲取 系統資訊區塊 1 (SIB1) 以取得更詳細的排程與網路資訊。隨後，UE 執行包含前導碼傳輸、回應接收、排程傳輸和競爭解決的四步驟隨機接入程序來建立初始連線。成功接入後，UE 與 gNB 進行訊息交握，完成 RRC 連接建立、安全啟動、以及承載和資源配置，以便進行資料傳輸。
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