Device and method for fronthaul transmission in wireless communication system
The present disclosure relates to a pre-5 th -Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4 th -Generation (4G) communication system such as Long Term Evolution (LTE). According to embodiments, a method performed by a distributed unit (DU), the method comprises generating a control plane (C-plane) message for multiple ports, the C-plane message including section information and a section extension; and transmitting the C-plane message to a radio unit (RU) via a specific port of the multiple ports. The section information includes information on a beam identifier (ID). The section extension includes beam group type information for indicating a type of beam grouping, and port information for indicating a total number of one or more extended antenna-carrier (eAxC) ports indicated by the section extension.
1. A method performed by a distributed unit (DU), the method comprising:
generating a control plane (C-plane) message for multiple ports, the C-plane message including section information and a section extension; and
transmitting the C-plane message to a radio unit (RU) via a specific port of the multiple ports,
wherein the section information includes information on a beam identifier (ID), and
wherein the section extension includes:
beam group type information for indicating a type of beam grouping, and
port information for indicating a total number of one or more extended antenna-carrier (eAxC) ports indicated by the section extension.
2. The method of claim 1 ,
wherein each of multiple ports corresponds to a corresponding transmission or reception (Tx/Rx) path or a corresponding layer, and
wherein the specific port is specified by a management plane (M-plane).
3. The method of claim 1 , wherein each of the multiple ports are share the section information within the RU.
4. The method of claim 1 , wherein the type of beam grouping is one of:
a first type for indicating that the beam ID is used as a common beam ID,
a second type for indicating that beam IDs subsequent to the beam ID apply to the one or more eAxC ports, and
a third type for indicating that beam IDs listed in the section extension apply to the one or more eAxC ports.
5. The method of claim 4 , wherein the beam ID indicates a beam matrix if the type of beam grouping is the second type.
6. The method of claim 1 ,
wherein the beam ID is associated with an index indicating multiple beams, and
wherein each beam of multiple beams applies to a corresponding port among the specific port and the one or more eAxC ports.
7. The method of claim 1 ,
wherein the beam ID is associated with the specific port, and
wherein the section extension further comprises information on a beam ID or user equipment, UE, ID of each of the one or more eAxC ports.
8. A method performed by a radio unit (RU), the method comprising:
receiving, from a distributed unit (DU), a control plane (C-plane) message for multiple ports via a specific port of the multiple ports; and
identifying section information and a section extension included in the C-plane message,
wherein the section information includes information on a beam identifier (ID),
wherein the section extension includes:
beam group type information for indicating a type of beam grouping, and
port information for indicating a total number of one or more extended antenna-carrier (eAxC) ports indicated by the section extension.
9. The method of claim 8 ,
wherein each of multiple ports corresponds to a corresponding transmission or reception (Tx/Rx) path or a corresponding layer, and
wherein the specific port is specified by a management plane (M-plane).
10. The method of claim 8 , wherein each of the multiple ports are share the section information within the RU.
11. The method of claim 8 , wherein the type of beam grouping is one of:
a first type for indicating that the beam ID is used as a common beam ID,
a second type for indicating that beam IDs subsequent to the beam ID apply to the one or more eAxC ports, and
a third type for indicating that beam IDs listed in the section extension apply to the one or more eAxC ports.
12. The method of claim 11 , wherein the beam ID indicates a beam matrix if the type of beam grouping is the second type.
13. The method of claim 8 ,
wherein the beam ID is associated with an index indicating multiple beams, and
wherein each beam of multiple beams applies to a corresponding port among the specific port and the one or more eAxC ports.
14. The method of claim 8 ,
wherein the beam ID is associated with the specific port, and
wherein the section extension further comprises information on a beam ID or user equipment, UE, ID of each of the one or more eAxC ports.
15. A device of a distributed unit (DU), comprising:
at least one transceiver; and
at least one processor configured to:
generate a control plane (C-plane) message for multiple ports, the C-plane message including section information and a section extension, and
control the at least one transceiver to transmit the C-plane message to a radio unit (RU) via a specific port of the multiple ports,
wherein the section information includes information on a beam identifier (ID), and
wherein the section extension includes:
beam group type information for indicating a type of beam grouping, and
port information for indicating a total number of one or more extended antenna-carrier (eAxC) ports indicated by the section extension.
16. The device of claim 15 ,
wherein each of multiple ports corresponds to a corresponding transmission or reception (Tx/Rx) path or a corresponding layer, and
wherein the specific port is specified by a management plane (M-plane).
17. The device of claim 15 , wherein each of the multiple ports are share the section information within the RU.
18. The device of claim 15 , wherein the type of beam grouping is one of:
a first type for indicating that the beam ID is used as a common beam ID,
a second type for indicating that beam IDs subsequent to the beam ID apply to the one or more eAxC ports, and
a third type for indicating that beam IDs listed in the section extension apply to the one or more eAxC ports.
19. The device of claim 18 , wherein the beam ID indicates a beam matrix if the type of beam grouping is the second type.
20. The device of claim 15 ,
wherein the beam ID is associated with the specific port, and
wherein the section extension further comprises information on a beam ID or user equipment, UE, ID of each of the one or more eAxC ports.