LTE RLC AM/UM/TM

Posted on Tue 23 January 2018 in 3gpp • Tagged with lte, rlc, spec

這是讀 3GPP LTE spec. 的筆記,不保證完全正確。有錯請指教,謝謝。

LTE 的 RLC (radio link control) 定義了三個模式:TM/UM/AM (3GPP TS 36.322)

  • TM: Transparent Mode
  • UM: Unacknowledged Mode
  • AM: Acknowledged Mode

在 4.2 RLC architecture 中定義了這三個 RLC entity 對應傳送的 logical channels

  • TM: BCCH, BR-BCCH, DL/UL CCCH, PCCH and …

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