Device and method for selecting cell 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 various embodiments of the present disclosure, a device of a base station in a wireless communication system includes at least one transceiver, and at least one processor, wherein the at least one processor may be configured to: acquire cell deployment information about a plurality of cells; identify a primary cell (PCell) on the basis of measurement information; identify a secondary cell (SCell) associated with the PCell on the basis of the cell deployment information; and set up the identified SCell.
1. An operation method of a base station in a wireless communication system, the method comprising:
acquiring physical cell deployment information of multiple cells, the physical cell deployment information including information on a degree of overlapping between a coverage of a cell and a coverage of another cell;
identifying, based on measurement information, a primary cell (PCell);
identifying, based on the degree of overlapping, a secondary cell (SCell) associated with the PCell, without measurement configuration for the SCell; and
configuring the identified SCell.
2. The method of claim 1 ,
wherein the multiple cells comprise a first cell and a second cell, and
wherein the information on the degree of overlapping comprises information indicating one of whether the first cell has a coverage fully comprising a coverage of the second cell, whether the first cell has a coverage partially overlapping a coverage of the second cell, or whether the first cell has no coverage overlapping a coverage of the second cell.
3. The method of claim 1 ,
wherein the cell deployment information is acquired from a distributed unit (DU) of the base station by a centralized unit (CU) of the base station through an F1 setup procedure,
wherein the identified PCell is provided by the DU, and
wherein the cell deployment information comprises:
identification information of each cell provided by the DU, and
information on whether coverages of cells provided by the DU overlap.
4. The method of claim 3 ,
wherein the SCell is configured by SCell addition or SCell modification, and
wherein the measurement information comprises a measurement report received through the DU.
5. The method of claim 1 , wherein the identifying of the SCell comprises:
identifying, based on the degree of overlapping, candidate cells deployed at a position physically associated with the PCell; and
identifying an SCell among the candidate cells.
6. A device of a base station in a wireless communication system, the device comprising:
at least one transceiver; and
at least one processor,
wherein the at least one processor is configured to:
acquire physical cell deployment information of multiple cells, the physical cell deployment information including information on a degree of overlapping between a coverage of a cell and a coverage of another cell,
identify, based on measurement information, a primary cell (PCell),
identify, based on the degree of overlapping, a secondary cell (SCell) associated with the PCell, without measurement configuration for the SCell, and
configure the identified SCell.
7. The device of claim 6 ,
wherein the multiple cells comprise a first cell and a second cell, and
wherein the information on the degree of overlapping comprises information indicating one of whether the first cell has a coverage fully comprising a coverage of the second cell, whether the first cell has a coverage partially overlapping a coverage of the second cell, or whether the first cell has no coverage overlapping a coverage of the second cell.
8. The device of claim 6 ,
wherein the cell deployment information is acquired from a distributed unit (DU) of the base station by a centralized unit (CU) of the base station through an F1 setup procedure,
wherein the identified PCell is provided by the DU, and
wherein the cell deployment information comprises:
identification information of each cell provided by the DU, and
information on whether coverages of cells provided by the DU overlap.
9. The device of claim 8 ,
wherein the SCell is configured by SCell addition or SCell modification, and
wherein the measurement information comprises a measurement report received through the DU.
10. The device of claim 6 , wherein, in order to identify the SCell, the at least one processor is further configured to:
identify, based on the degree of overlapping, candidate cells deployed at a position physically associated with the PCell; and
identify an SCell among the candidate cells.
11. A device of a centralized unit (CU) of a base station in a wireless communication system, the device comprising:
at least one transceiver; and
at least one processor,
wherein the at least one processor is configured to:
acquire physical cell deployment information of multiple cells from a distributed unit (DU) of the base station through an F1 setup procedure, the physical cell deployment information including information on a degree of overlapping between a coverage of a cell and a coverage of another cell,
identify, based on a measurement report transmitted from the DU, a primary cell (PCell),
identify, based on the degree of overlapping, a secondary cell (SCell) associated with the PCell, without measurement configuration for the SCell, and
configure the identified SCell,
wherein the cell deployment information comprises:
identification information of each of the multiple, and
information on whether coverages of the multiple cells overlap, and
wherein the SCell is configured without a separate measurement configuration procedure for the SCell.