RSU apparatus, base station apparatus, control node, and methods therein
A Road Side Unit (RSU) ( 120 ) transmits V2X report information to a control node ( 140 ) and transmits location-related information about the RSU ( 120 ) to the control node ( 140 ). The control node ( 140 ) determines, based on the received location-related information about the RSU ( 120 ), at least one of: one or more sending nodes; a transmission area; a distribution path; and a communication scheme, to distribute a V2X control message to a plurality of UEs. It is thus, for example, possible to contribute to achievement of a configuration in which, upon receiving V2X report information from an RSU, a server transmits a V2X control message based on the V2X report information to a plurality of vehicles or pedestrians.
1. A Road Side Unit (RSU) apparatus supporting a Vehicle-to-Everything (V2X) service, the RSU apparatus comprising:
a wireless transceiver configured to communicate with a radio terminal installed in a vehicle; and
at least one processor configured to transmit V2X report information to a control node and to transmit location-related information about the RSU apparatus to the control node,
wherein the location-related information is used by the control node to determine a logical area in which a V2X control message generated based on the V2X report information is to be transmitted and determine a distribution path of the V2X control message to one or more sending nodes.
2. The RSU apparatus according to claim 1 , wherein the location-related information is further used by the control node to determine at least one of:
(a) the one or more sending nodes to transmit the V2X control message in such a way that a plurality of vehicles are able to receive the V2X control message;
(b) a geographical area in which the V2X control message is to be transmitted; and
(c) a communication scheme to be used for transmission of the V2X control message.
3. The RSU apparatus according to claim 2 , wherein the communication scheme is selected from among a plurality of communication schemes including at least two of (a) a Multimedia Broadcast/Multicast Service (MBMS), (b) a Cell Broadcast Service (CBS), and (c) a groupcast/broadcast in Device-to-Device communication.
4. The RSU apparatus according to claim 1 , wherein the one or more sending nodes comprises: (a) one or more base stations used in a cellular communication network; (b) one or more RSUs, each of which operates as a base station used in a cellular communication network; (c) one or more RSUs, each of which operates as a radio terminal used in a cellular communication network; or (d) any combination thereof.
5. The RSU apparatus according to claim 1 , wherein the location-related information comprises at least one of: a pre-configured RSU identifier; a pre-configured management area identifier; and location information indicating location coordinates or a location address of the RSU apparatus.
6. The RSU apparatus according to claim 1 , wherein the RSU apparatus is configured to operate as a radio terminal or a base station used in a cellular communication network.
7. The RSU apparatus according to claim 1 , wherein the V2X report information contains a message that the RSU apparatus has received via V2I communication from a radio terminal installed in a vehicle.
8. A method in a Road Side Unit (RSU) apparatus supporting a Vehicle-to-Everything (V2X) service, the method comprising:
transmitting V2X report information to a control node; and
transmitting location-related information about the RSU apparatus to the control node,
wherein the location-related information is used by the control node to determine a logical area in which a V2X control message generated based on the V2X report information is to be transmitted and determine a distribution path of the V2X control message to one or more sending nodes.
9. The method according to claim 8 , wherein the location-related information is further used by the control node to determine at least one of:
(a) the one or more sending nodes to transmit the V2X control message in such a way that a plurality of vehicles are able to receive the V2X control message;
(b) a geographical area in which the V2X control message is to be transmitted; and
(c) a communication scheme to be used for transmission of the V2X control message.
10. The method according to claim 9 , wherein the communication scheme is selected from among a plurality of communication schemes including at least two of (a) a Multimedia Broadcast/Multicast Service (MBMS), (b) a Cell Broadcast Service (CBS), and (c) a groupcast/broadcast in Device-to-Device communication.
11. The method according to claim 8 , wherein the one or more sending nodes comprises: (a) one or more base stations used in a cellular communication network; (b) one or more RSUs, each of which operates as a base station used in a cellular communication network; (c) one or more RSUs, each of which operates as a radio terminal used in a cellular communication network; or (d) any combination thereof.
12. The method according to claim 8 , wherein the location-related information comprises at least one of: a pre-configured RSU identifier; a pre-configured management area identifier; and location information indicating location coordinates or a location address of the RSU apparatus.
13. The method according to claim 8 , wherein the V2X report information contains a message that the RSU apparatus has received via V2I communication from a radio terminal installed in a vehicle.
14. A base station apparatus used in a cellular communication network, the base station apparatus comprising:
a wireless transceiver configured to communicate with a plurality of radio terminals including one or more Road Side Units (RSUs) supporting a Vehicle-to-Everything (V2X) service; and
at least one processor configured to transmit V2X report information received from a first RSU included in the one or more RSUs to a control node and to transmit location-related information about the first RSU to the control node;
wherein the location-related information is used by the control node to determine a logical area in which a V2X control message generated based on the V2X report information is to be transmitted and determine a distribution path of the V2X control message to one or more sending nodes.
15. The base station apparatus according to claim 14 , wherein the location-related information is further used by the control node to determine at least one of:
(a) the one or more sending nodes to transmit the V2X control message in such a way that a plurality of vehicles are able to receive the V2X control message;
(b) a geographical area in which the V2X control message is to be transmitted; and
(c) a communication scheme to be used for transmission of the V2X control message.
16. The base station apparatus according to claim 15 , wherein the communication scheme is selected from among a plurality of communication schemes including at least two of (a) a Multimedia Broadcast/Multicast Service (MBMS), (b) a Cell Broadcast Service (CBS), and (c) a groupcast/broadcast in Device-to-Device communication.
17. The base station apparatus according to claim 15 , wherein the V2X report information contains a message that the first RSU has received via V2I communication from a radio terminal installed in a vehicle.
18. The base station apparatus according to claim 14 , wherein the V2X report information contains a message that the first RSU has received via V2I communication from a radio terminal installed in a vehicle.
19. The base station apparatus according to claim 14 , wherein the location-related information comprises at least one of: a pre-configured RSU identifier; a pre-configured management area identifier; and location information indicating location coordinates or a location address of the first RSU.