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5G NR [复制链接]

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注册:2023-4-18
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发表于 2023-6-2 16:20:20 |只看该作者 |倒序浏览
本帖最后由 Satoshi_ 于 2023-6-2 16:57 编辑

* 5G NR 协议栈:Control Plane和User Plane。
* CP: L1: PHY(Physical), L2:MAC(Medium Access Control), RLC(Radio Link Control), PDCP(Packet Data Convergence Protocol), L3:RRC(Radio Resource Control), NAS(Non-Access Stratum)
* UP: L1: PHY(Physical), L2:MAC(Medium Access Control), RLC(Radio Link Control), PDCP(Packet Data Convergence Protocol), SDAP(Service Data Adaptation Protocol)

* Uu: the radio interface between the UTRAN (UMTS Terrestrial Radio Access Network) and the UE.
* eCPRI(evolved Common Public Radio Interface): it is fronthaul interface between the RU (Radio Unit) and the DU(Distributed Uint). 减少天线和AAU之间的馈线。
* F1: it is middlehaul interface between the CU and the DU.
* NG: it is backhaul interface between the CU and the AMF.
* Xn: it is the backhaul interface between NG-RAN nodes.

注:TS 38.300: 3rd Generation Partnership Project; Technical Specification Group Radio Access Network; NR; NR and NG-RAN Overall Description

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