US Patent Application 18040283. SYSTEMS AND METHODS FOR MASTER NODE-INITIATED CONDITIONAL PRIMARY SECONDARY CELL ADDITION simplified abstract

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SYSTEMS AND METHODS FOR MASTER NODE-INITIATED CONDITIONAL PRIMARY SECONDARY CELL ADDITION

Organization Name

Telefonaktiebolaget LM Ericsson (publ)


Inventor(s)

Icaro Leonardo Da Silva of SOLNA (SE)

[[Cecilia Ekl�f of TÄBY (SE)]]

SYSTEMS AND METHODS FOR MASTER NODE-INITIATED CONDITIONAL PRIMARY SECONDARY CELL ADDITION - A simplified explanation of the abstract

This abstract first appeared for US patent application 18040283 titled 'SYSTEMS AND METHODS FOR MASTER NODE-INITIATED CONDITIONAL PRIMARY SECONDARY CELL ADDITION

Simplified Explanation

The patent application describes a method used by a network node to add a secondary cell to a network.

  • The network node sends a Request message to a target secondary node (SN).
  • The target SN responds with an Acknowledge message that includes a Secondary Cell Group (SCG) configuration for a target candidate cell.
  • The network node sends another message, called RRC Reconfiguration, to a wireless device.
  • The RRC Reconfiguration message includes at least one conditional reconfiguration.
  • The conditional reconfiguration includes another RRC Reconfiguration message in Master Node (MN) format and a Master Cell Group (MCG) configuration.
  • The conditional reconfiguration also includes at least one execution condition for the conditional Primary Secondary Cell Addition (CPA) and a conditional reconfiguration identity associated with the CPA for the target candidate cell.
  • The RRC Reconfiguration message in MN format includes the SCG configuration received from the target SN.
  • The network node receives a first reconfiguration complete message from the wireless device.


Original Abstract Submitted

A method by a network node operating as a Master Node (MN) for conditional Primary Secondary Cell Addition (CPA) includes sending, to a target secondary node (SN) a Request message. The network node receives, from the target SN, an Acknowledge message comprising an RRC Reconfiguration message (RRCReconfiguration**), including a Secondary Cell Group (SCG) configuration for a target candidate cell. The network node sends, to a wireless device, another RRC Reconfiguration message (RRCReconfiguration), which includes at least one conditional reconfiguration. The conditional reconfiguration includes: another RRC Reconfiguration message (RRCReconfiguration*) in MN format and a Master Cell Group (MCG) configuration; at least one execution condition for the CPA; and a conditional reconfiguration identity associated with the CPA for the target candidate cell. The RRCReconfiguration* includes the RRCReconfiguration**. The network node receives, from the wireless device, a first reconfiguration complete message.

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