Electronic device and method for transmitting user place message in fronthaul interface
A method performed by a distributed unit (DU) including transmitting a management message including information for indicating a representative extended antenna-carrier (eAxC) port to a radio unit (RU) through a fronthaul interface is provided. The method includes transmitting a control plane message including section information and section extension information for resource allocation to the RU through the fronthaul interface. The section extension information is used to combine a plurality of user plane (U-plane) messages into one U-plane message in the DU or the RU. The representative eAxC port of the fronthaul interface is used for transmitting or receiving of the combined one U-plane message.
1 . A method performed by a distributed unit (DU), the method comprising:
transmitting, to a radio unit (RU) through a fronthaul interface, a management plane (M-plane) message indicating a plurality of extended antenna-carrier (eAxC) ports that include a representative eAxC port;
transmitting, to the RU through the fronthaul interface, a control plane (C-plane) message including section information for resource allocation and section extension information that indicates the RU to combine uplink data of the plurality of eAxC ports into one user plane (U-plane) message; and
receiving, from the RU through the fronthaul interface, the U-plane message of the representative eAxC port, that includes the uplink data of the plurality of eAxC ports,
wherein
the uplink data of the plurality of eAxC ports are associated with a same subcarrier spacing.
2 . The method of claim 1 ,
wherein the section extension information includes:
type information for indicating merging of user plane data,
beam group type information for indicating a type of beam grouping, and
port information for indicating a total number of one or more eAxC ports.
3 . The method of claim 1 , wherein, for each eAxC port of the plurality of eAxC ports for the combining, the U-plane message includes:
a user data compression parameter for indicating a compression scheme in a physical resource block (PRB);
an in-phase sample (isample) value for each resource element (RE) of the PRB; and
a quadrature sample (qsample) value for each resource element (RE) of the PRB.
4 . The method of claim 1 ,
wherein the section extension information and other section extension information are used to combine a plurality of control plane (C-plane) messages into one C-plane message, and
wherein the one C-plane message is transmitted to the RU through the representative eAxC port of the fronthaul interface.
5 . A method performed by a radio unit (RU), the method comprising:
receiving, from a distributed unit (DU) through a fronthaul interface, a management plane (M-plane) message indicating a plurality of extended antenna-carrier (eAxC) ports that include a representative eAxC;
receiving, from the DU through the fronthaul interface, a control plane (C-plane) message including section information for resource allocation and section extension information that indicates the RU to combine uplink data of the plurality of eAxC ports into one user plane (U-plane) message; and
transmitting, to the DU through the fronthaul interface, the U-plane message of the representative eAxC port, that includes the uplink data of the plurality of eAxC ports,
uplink data of the plurality of eAxC ports are associated with a same subcarrier spacing.
6 . The method of claim 5 ,
wherein the section extension information includes:
type information for indicating merging of user plane data,
beam group type information for indicating a type of beam grouping, and
port information for indicating a total number of one or more eAxC ports.
7 . The method of claim 5 , wherein, for each eAxC port of the plurality of eAxC ports for the combining, the U-plane message includes:
a user data compression parameter for indicating a compression scheme in a physical resource block (PRB);
an in-phase sample (isample) value for each resource element (RE) of the PRB; and
a quadrature sample (qsample) value for each resource element (RE) of the PRB.
8 . The method of claim 5 ,
wherein the section extension information and other section extension information are used to combine a plurality of control plane (C-plane) messages into one C-plane message, and
wherein the one C-plane message is received from the DU through the representative eAxC port of the fronthaul interface.
9 . A distributed unit (DU) comprising:
at least one transceiver; and
at least one processor coupled to the at least one transceiver,
wherein the at least one processor is configured to:
control the at least one transceiver to transmit, to a radio unit (RU) through a fronthaul interface, a management plane (M-plane) message indicating a plurality of extended antenna carrier (eAxC) ports that include a representative eAxC port,
control the at least one transceiver to transmit, to the RU through the fronthaul interface, a control plane (C-plane) message including section information for resource allocation and section extension information that indicates the RU to combine uplink data of the plurality of eAxC ports into one user plane (U-plane) message, and
control the at least one transceiver to receive, from the RU through the fronthaul interface, the U-plane message of the representative eAxC port, that includes the uplink data of the plurality of eAxC ports, and
wherein the uplink data of the plurality of eAxC ports are associated with a same subcarrier spacing.
10 . The DU of claim 9 ,
wherein the section extension information includes:
type information for indicating merging of user plane data,
beam group type information for indicating a type of beam grouping, and
port information for indicating a total number of one or more eAxC ports.
11 . The DU of claim 9 , wherein, for each eAxC port of the plurality of eAxC ports for the combining, the one U-plane message includes:
a user data compression parameter for indicating a compression scheme in a physical resource block (PRB);
an in-phase sample (isample) value for each resource element (RE) of the PRB; and
a quadrature sample (qsample) value for each resource element (RE) of the PRB.
12 . The DU of claim 9 ,
wherein the section extension information and other section extension information are used to combine a plurality of control plane (C-plane) messages into one C-plane message, and
wherein the one C-plane message is transmitted to the RU through the representative eAxC port of the fronthaul interface.
13 . A radio unit (RU) comprising:
at least one transceiver; and
at least one processor coupled to the at least one transceiver,
wherein the at least one processor is configured to:
control the at least one transceiver to receive, from a distributed unit (DU) through a fronthaul interface, a management plane (M-plane) message indicating a plurality of extended antenna-carrier (eAxC) ports that include a representative eAxC port,
control the at least one transceiver to receive, from the DU through the fronthaul interface, a control plane (C-plane) message including section information for resource allocation and section extension information that indicates the RU to combine uplink data of the plurality of eAxC ports into one user plane (U-plane) message, and
control the at least one transceiver to transmit, to the DU through the fronthaul interface, the U-plane message of the representative eAxC port, that includes the uplink data of the plurality of eAxC ports, and
wherein the uplink data of the plurality of eAxC ports are associated with a same subcarrier spacing.
14 . The electronic device-RU of claim 13 ,
wherein the section extension information includes:
type information for indicating merging of user plane data,
beam group type information for indicating a type of beam grouping, and
port information for indicating a total number of one or more eAxC ports.
15 . The RU of claim 13 , wherein, for each eAxC port of the plurality of eAxC ports for the combining, the one U-plane message includes:
a user data compression parameter for indicating a compression scheme in a physical resource block (PRB);
an in-phase sample (isample) value for each resource element (RE) of the PRB; and
a quadrature sample (qsample) value for each resource element (RE) of the PRB.
16 . The RU of claim 13 ,
wherein the section extension information and other section extension information are used to combine a plurality of control plane (C-plane) messages into one C-plane message, and
wherein the one C-plane message is received from the DU through the representative eAxC port of the fronthaul interface.