Abstract: A method for obtaining an identifier of a new cell in a radio communication system is provided. The method includes receiving information associated with the new cell from a user equipment (UE), obtaining an evolved universal terrestrial radio access (EUTRA) cell global identifier (ECGI) of the new cell, if it is determined based on the information associated with the new cell that the new cell is not set as a neighbor cell, determining whether a public land mobile network (PLMN) identifier (ID) (PLMN ID) in the ECGI is included in a relation table including at least one of PLMN IDs and shared PLMN IDs, and receiving an identifier of the new cell from a server, if the PLMN ID in the ECGI is included in the relation table.

Abstract: A method for obtaining an identifier of a new cell in a radio communication system is provided. The method includes receiving information associated with the new cell from a user equipment (UE), obtaining an evolved universal terrestrial radio access (EUTRA) cell global identifier (ECGI) of the new cell, if it is determined based on the information associated with the new cell that the new cell is not set as a neighbor cell, determining whether a public land mobile network (PLMN) identifier (ID) (PLMN ID) in the ECGI is included in a relation table including at least one of PLMN IDs and shared PLMN IDs, and receiving an identifier of the new cell from a server, if the PLMN ID) in the ECGI is included in the relation table.

Abstract: A method for acquiring a cell identifier by a source cell in a radio communication system is provided. The method includes receiving information about a new cell from a User Equipment (UE) in the source cell, acquiring an Evolved Universal Terrestrial Radio Access (EUTRA) Cell Global Identifier (ECGI) of the new cell from the UE, if it is determined based on the information about the new cell that there is no neighbor relationship with the new cell, determining whether a Public Land Mobile Network (PLMN) Identifier (ID) (PLMN ID) in the ECGI is included in a mapping table between a primary PLMN ID and a shared PLMN ID, and acquiring an X2 Internet Protocol (IP) address of the new cell from an Evolved Packet Core (EPC) according to the determination results.

Abstract: A method for a load balancing using statistical information in a base station of a wireless communication system is provided. The method includes measuring a load of at least one cell managed by the base station; exchanging load information of the measured cell with at least one neighboring base station; determining at least one Mobility Load Balancing (MLB) application candidate cell in which a Cell Individual Offset (CIO) change is necessary using the load information; determining at least one MLB application target cell in the at least one MLB application candidate cell; performing a CIO change procedure with the at least one MLB application target cell; selecting at least one User Equipment (UE) to notify a CIO change; and notifying the selected at least one UE of the CIO change.

Abstract: A method for acquiring a cell identifier by a source cell in a radio communication system is provided. The method includes receiving information about a new cell from a User Equipment (UE) in the source cell, acquiring an Evolved Universal Terrestrial Radio Access (EUTRA) Cell Global Identifier (ECGI) of the new cell from the UE, if it is determined based on the information about the new cell that there is no neighbor relationship with the new cell, determining whether a Public Land Mobile Network (PLMN) Identifier (ID) (PLMN ID) in the ECGI is included in a mapping table between a primary PLMN ID and a shared PLMN ID, and acquiring an X2 Internet Protocol (IP) address of the new cell from an Evolved Packet Core (EPC) according to the determination results.

Abstract: A Base Station (BS) apparatus, for detecting a HandOver (HO)-related Radio Link Failure (RLF) in a wireless communication, and method for its operation, are provided. The method includes receiving an HO request from another BS for a User Equipment (UE) that has an established connection with the BS, receiving a connection reestablishment request from the UE after an HO of the UE to the other BS has been performed, determining if the connection reestablishment request is received prior to the expiration of a timer, and if it is determined that the connection reestablishment request is received from the UE prior to the expiration of a timer, determining that an RLF occurred due to a too early HO triggering.

Abstract: The present invention relates to a ventilation system. According to a ventilation system of an embodiment of the present invention, it is possible to supply constant air flow to each floor or home, regardless of changes in environment outside a building, by connecting a ventilator to a center duct that sucks external air and supplies it to each floor or home, or sucks internal air of each floor of home and discharges it to the outside the building.

Abstract: A Base Station (BS) apparatus, for detecting a HandOver (HO)-related Radio Link Failure (RLF) in a wireless communication, and method for its operation, are provided. The method includes receiving an HO request from another BS for a User Equipment (UE) that has an established connection with the BS, receiving a connection reestablishment request from the UE after an HO of the UE to the other BS has been performed, determining if the connection reestablishment request is received prior to the expiration of a timer, and if it is determined that the connection reestablishment request is received from the UE prior to the expiration of a timer, determining that an RLF occurred due to a too early HO triggering.

Abstract: There are provided a lens driving apparatus and method for transferring a lens on a plurality of focus positions previously set, in which a physical or mechanical vibration generated by a lens driving actuator when auto focusing is improved. The apparatus includes: a controller controlling the lens to be suspended one or more intermediate focus positions interposed between a present focus position and a target focus position while controlling the lens to be transferred to the present focus position where the lens is presently located to the target focus position that is a target of transferring the lens among the plurality of focus positions; and a driver transferring the lens according to a driving control signal from the controller.

Abstract: There are provided a lens driving apparatus and method for transferring a lens on a plurality of focus positions previously set, in which a physical or mechanical vibration generated by a lens driving actuator when auto focusing is improved. The apparatus includes: a controller controlling the lens to be suspended one or more intermediate focus positions interposed between a present focus position and a target focus position while controlling the lens to be transferred to the present focus position where the lens is presently located to the target focus position that is a target of transferring the lens among the plurality of focus positions; and a driver transferring the lens according to a driving control signal from the controller.