NR中易混淆小区概念

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NR小区相关概念：

• Special Cell: For Dual Connectivity operation the term     Special Cell refers to the PCell of the MCG or the PSCell of the SCG,     otherwise the term Special Cell refers to the PCell.
  

对于双连接操作，术语特殊小区是指 MCG（Master Cell Group） 的 PCell（Primary Cell） 或 SCG（Secondary Cell Group） 的 PSCell（Primary SCG(SecondaryCell Group) Cell），否则术语特殊小区是指 PCell。

• Primary Cell: The MCG cell, operating on the primary     frequency, in which the UE either performs the initial connection     establishment procedure or initiates the connection re-establishment     procedure.
  

Primary Cell：在主频率上运行的 MCG 小区，UE 在其中执行初始连接建立过程或发起连接重建过程。

• Primary SCG Cell: For dual connectivity operation, the SCG     cell in which the UE performs random access when performing the     Reconfiguration with Sync procedure.
  

Primary SCG Cell：对于双连接操作，当执行Reconfiguration with Sync 过程时，UE 在其中执行随机接入的 SCG 小区。

• Secondary Cell     Group: For a UE configured with dual connectivity,     the subset of serving cells comprising of the PSCell and zero or more     secondary cells.
  

Secondary Cell Group：对于配置有双连接的 UE，服务小区的子集包括 PSCell 和零个或多个次要小区。