Communication control method, user device, network node, mobile communication system, program and chipset

Abstract

This invention provides a communication control method for cases where multicast / broadcast service (MBS) reception and unicast reception overlap, as well as user equipment, network nodes, mobile communication systems, programs, and chipsets. [Solution] A communication control method to be performed by a user device (UE) 100 in a mobile communication system that provides multicast broadcast services (MBS), comprising: receiving MBS system information from a network node 500 via a gNB 200; and transmitting an MBS Interest Indication, which includes priority information indicating whether or not to prioritize MBS reception based on the MBS system information over unicast reception, to the network node in response to a change in the priority information.

Claims

1. A communication control method performed by user equipment in a mobile communication system that provides multicast broadcast services (MBS), Receiving MBS system information from network nodes, The system includes transmitting an MBS Interest Indication, which includes priority information indicating whether or not to prioritize MBS reception based on the aforementioned MBS system information over unicast reception, to the network node in response to a change in the priority information. Communication control method.

2. The aforementioned priority information further indicates whether broadcast reception in MBS reception is given priority over multicast reception. The communication control method according to claim 1.

3. A user device connected to a mobile communication system that provides multicast broadcast services (MBS), A receiving unit that receives MBS system information from network nodes, The system includes a transmission unit that transmits an MBS Interest Indication, which includes priority information indicating whether or not to prioritize MBS reception based on the MBS system information over unicast reception, to the network node in response to a change in the priority information. User device.

4. A network node connected to a mobile communications system that provides multicast broadcast services (MBS), A transmission unit that transmits MBS system information to user equipment, The system includes a receiving unit that receives an MBS Interest Indication from the user device, which includes priority information indicating whether the user device prioritizes MBS reception based on the MBS system information over unicast reception, in response to a change in the priority information. Network node.

5. A mobile communication system that provides multicast broadcast services (MBS), Network nodes and The system includes a user device connected to the aforementioned network node, The User device is The network node receives MBS system information, An MBS Interest Indication, which includes priority information indicating whether or not to prioritize MBS reception based on the aforementioned MBS system information over unicast reception, is transmitted to the network node in response to a change in the priority information. Mobile communication system.

6. User equipment connected to a mobile communication system that provides multicast broadcast services (MBS), The process of receiving MBS system information from a network node, The process involves sending an MBS Interest Indication, which includes priority information indicating whether or not to prioritize MBS reception over unicast reception based on the aforementioned MBS system information, to the network node in response to a change in the priority information. program.

7. A chipset for user equipment connected to a mobile communication system that provides multicast broadcast services (MBS), Receiving MBS system information from network nodes, The following actions are performed: Send an MBS Interest Indication, which includes priority information indicating whether or not to prioritize MBS reception based on the MBS system information over unicast reception, to the network node in response to a change in the priority information. Chipset.

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