US Patent Application 17927017. 5G MULTICAST BROADCAST SERVICE HANDOVER simplified abstract

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5G MULTICAST BROADCAST SERVICE HANDOVER

Organization Name

Telefonaktiebolaget LM Ericsson (publ)


Inventor(s)

Paul Schliwa-bertling of Ljungsbro (SE)

Alexander Vesely of Feldbach (AT)

[[Hans Bertil R�nneke of Kungsbacka (SE)]]

5G MULTICAST BROADCAST SERVICE HANDOVER - A simplified explanation of the abstract

This abstract first appeared for US patent application 17927017 titled '5G MULTICAST BROADCAST SERVICE HANDOVER

Simplified Explanation

This patent application describes systems and methods for ensuring session continuity of Multicast Broadcast (MB) Sessions in a 5G network. Here are the key points:

  • The patent application focuses on providing session continuity for MB Sessions in a wireless device connected to a 5G network.
  • The method involves the base station providing one or more MB Sessions to the wireless device.
  • The base station then determines if the wireless device is being handed over to a target Next Generation Radio Access Network (NG-RAN).
  • If a handover is detected, the base station ensures session continuity by continuing to provide the MB Sessions to the wireless device in the target NG-RAN.
  • The handover can be performed using an Xn handover or an N2 handover, depending on the specific scenario.
  • The patent application emphasizes the support for Multicast Broadcast Session continuity during inter-gNB Xn Handover and inter-gNB N2 Handover in the 5G NR radio access.


Original Abstract Submitted

Systems and methods for session continuity of Multicast Broadcast (MB) Sessions are provided. In some embodiments, a method performed by a base station for session continuity of MB Sessions includes at least one of: providing at least one MB Session to a wireless device connected in 5G; determining that the wireless device is handed over to a target Next Generation Radio Access Network (NG-RAN); and providing session continuity of the at least one MB Session to the wireless device. In some embodiments, being handed over to the target NG-RAN comprises an Xn handover. In some embodiments, being handed over to the target NG-RAN comprises a N2 handover. Some embodiments of the current disclosure provide support for Multicast Broadcast Session continuity (aka “Handover”) at Inter-gNB Xn Handover and Inter-gNB N2 Handover in the 5G NR radio access.

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