Handling QoS mobility and dual connectivity in NR

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United States of America Patent

PATENT NO 11706835
SERIAL NO

17671005

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Abstract

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Systems and methods are provided herein for handling Quality of Service (QoS) mobility and dual connectivity. In some embodiments, a method of operation of a network node in a cellular communications network includes deciding to split an existing Protocol Data Unit (PDU) session that includes a current uplink tunnel information; and setting up resources for the split PDU session. In this way, it may be possible to support QoS mobility in the different tunnel during dual connectivity. In some embodiments, the network node is a Master Next Generation—Radio Access Network (NG-RAN) node, and setting up resources for the split PDU session includes sending an S-Node Addition/Modification Request including the current uplink tunnel information for the split PDU session to a Secondary NG-RAN node in the cellular communications network; and receiving a newly added additional downlink tunnel information from the Secondary NG-RAN node.

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Patent Owner(s)

  • TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Shi, Nianshan Järfälla, SE 86 266
Vesely, Alexander Feldbach, AT 72 566

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