Communication system, control device, communication terminal, communication device, and communication method
In order to provide a communication system capable of charging control in accordance with a bearer used by a UE even when the UE performs dual connectivity, a communication system according to the present disclosure includes a communication terminal ( 11 ) configured to communicate with a communication device ( 12 ) and a communication device ( 13 ) by using a different radio bearer for each of the communication device ( 12 ) and the communication device ( 13 ), and a control device ( 14 ) configured to determine whether to cause the communication device ( 12 ) to measure the traffic of each radio bearer.
1. A master device providing E-UTRA (Evolved UTRA (Universal Terrestrial Radio Access)) in a communication system having a terminal, a secondary device providing NR (New Radio) and a control device, the master device comprising:
a memory; and
a processor, comprising hardware, configured to:
wirelessly communicate with the terminal being connected to the master device and the secondary device;
receive usage data per bearer related to the secondary device from the secondary device;
maintain the usage data; and
transmit a message including the usage data to the control device, the usage data including a RAT type related to the secondary device.
2. The master device according to claim 1 , wherein the usage data includes first information indicating uplink data and second information indicating downlink data.
3. The master device according to claim 1 , wherein the message comprises a E-RAB Modification message or a UE Context Release Request message.
4. The master device according to claim 1 , wherein the usage data is reported from the control device to a gateway apparatus.
5. The master device according to claim 1 , wherein the master device periodically reports the usage data to the control device.
6. The master device according to claim 1 , wherein the usage data indicates data volume.
7. The master device according to claim 1 , wherein the usage data indicates data volume.
8. A method performed by a master device providing E-UTRA (Evolved UTRA (Universal Terrestrial Radio Access)) in a communication system having a terminal, a secondary device providing NR (New Radio) and a control device, the method comprising:
wirelessly communicating with the terminal being connected to the master device and the secondary device;
receiving usage data per bearer related to the secondary device from the secondary device;
maintaining the usage data; and
transmitting a message including the usage data to the control device, the usage data including a RAT type related to the secondary device.
9. The method according to claim 8 , wherein the usage data indicates data volume.
10. The method according to claim 8 , wherein the usage data indicates data volume.
11. A control device used in a communication system having a master device providing E-UTRA (Evolved UTRA (Universal Terrestrial Radio Access)), a secondary device providing NR (New Radio) and a terminal, the control device comprising:
a memory; and
a processor, comprising hardware, configured to:
receive, from the master device, a message comprising usage data per bearer related to the secondary device, the usage data received by the master device from the secondary device and including a RAT type related to the secondary device.
12. The control device according to claim 11 , wherein the usage data includes first information indicating uplink data and second information indicating downlink data.
13. The control device according to claim 11 , wherein the received message comprises an E-RAB Modification Indication message or a UE Context Release Request message.
14. The control device according to claim 11 , wherein the processor is further configured to:
transmit, to a gateway apparatus, a message including the received usage data in response to receiving the usage data from the master device.
15. The control device according to claim 11 , wherein the processor is configured to receive, from the master device, the usage data periodically.
16. The control device according to claim 11 , wherein the usage data indicates data volume.
17. The control device according to claim 11 , wherein the usage data indicates data volume.
18. A method performed by a control device used in a communication system having a master device providing E-UTRA (Evolved UTRA (Universal Terrestrial Radio Access)), a secondary device providing NR (New Radio) and a terminal, the method comprising:
receiving, from the master device, a message comprising usage data per bearer related to the secondary device, the usage data received by the master device from the secondary device and including a RAT type related to the secondary device.
19. The method according claim 18 , wherein the usage data indicates data volume.
20. The method according to claim 18 , wherein the usage data indicates data volume.