Abstract: Provided is a joint pattern beam sectorization method and apparatuses for performing the same, wherein the joint pattern beam sectorization method including generating, in a service target region, a pattern sector corresponding to an antenna array including antennas having an identical radiation pattern by using the antenna array and generating pattern beam sectors in the pattern sector through a beamforming using the antennas.

Abstract: Provided are two types of schemes capable of reducing power consumption of a User Equipment (UE). The first scheme is to select a set capable of minimizing power consumption of the UE when the UE enters a sleep mode. The second scheme is a handover scheme in which the UE having entered the sleep mode maintains the sleep mode corresponding to a cooperative Base Station (BS) set in a handover of the UE.

Abstract: The present invention can reduce the clashing of random accesses by assigning a random access priority according to the number of links. A method for random access from a terminal in a virtual cell network system according to an embodiment of the present invention comprises the steps of determining the number of links that are connected to the terminal; selecting a random access set for random access on the basis of the number of links; selecting a slot resource for random access from the random access set on the basis of the number of links; and performing a random access over the slot resource, wherein the slot resource includes a common resource held by a plurality of base stations.

Abstract: The present invention provides a transmission line for a capacitive coil. The transmission line may include: a plurality of first cylindrical conductors; a plurality of second cylindrical conductors arranged alternately with the first cylindrical conductors in a layered structure; and dielectrics arranged between the first cylindrical conductors and the second cylindrical conductors. According to the present invention, a coaxial cable having multi-layered pairs of cylindrical conductors and dielectrics inserted between the cylindrical conductors or a cable having one or more layers of conductors separated by dielectrics is provided to thereby minimize current loss in a transmission line by compensating for line voltage drop due to self-inductance L of the line.

Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). Provided is a method for setting a beam in a mobile communication system. The method includes determining at least one of a beam width and a beam direction in consideration of a criteria value in response to a failure of a random access attempt, and retransmitting a beam based on the determined at least one of the beam width or the beam direction. The criteria value includes at least one of a beam gain history of a candidate beam combination and a previous transmission failure history.

Abstract: An apparatus and a method for transmitting and receiving a reference signal in a wireless communication system are provided. The method includes determining a cluster-specific reference signal configuration according a cluster configuration, transmitting information about the cluster-specific reference signal configuration, and transmitting cluster-specific reference signals of at least one cluster according to the cluster-specific reference signal configuration.

Abstract: A method to operate a receiving node is provided. The method includes receiving a first set of reference signals being transmit-beamformed using transmit beam groups in at least one transmitting node with receive-beamforming using receive beam groups. The method also includes transmitting information to select one transmit beam group of the transmit beam groups to one of the at least one transmitting node. The method further includes receiving a second set of the reference signals being transmit-beamformed using transmit beams of the one of the transmit beam groups in the at least one transmitting node with receive-beamforming using receive beams of one of the receive beam groups.

Abstract: A cognitive radio communication system using a multiple input multiple output (MIMO) communication technology is provided. A cognitive radio base station includes a plurality of antennas, a group setting unit to set at least one sensing terminal group that includes at least one sensing terminal among a plurality of terminals, and a signal generator to generate a transmission signal to transmit the transmission signal using channels formed between the plurality antennas and the plurality of terminals, so that the at least one sensing terminal is accorded a sensing time.

Abstract: Embodiments of the present invention relate to a non-contact power transmission device, a magnetic induction-type power supply device, a magnetic induction-type power collector, and a moving object using same.

Abstract: The present invention provides a transmission line for a capacitive coil. The transmission line may include: a plurality of first cylindrical conductors; a plurality of second cylindrical conductors arranged alternately with the first cylindrical conductors in a layered structure; and dielectrics arranged between the first cylindrical conductors and the second cylindrical conductors. According to the present invention, a coaxial cable having multi-layered pairs of cylindrical conductors and dielectrics inserted between the cylindrical conductors or a cable having one or more layers of conductors separated by dielectrics is provided to thereby minimize current loss in a transmission line by compensating for line voltage drop due to self-inductance L of the line.

Abstract: Provided is a communication method of a neighboring terminal and a target terminal in which a cooperative terminal that has a better SINR or a better channel condition provides help to a target terminal through cooperation between terminals based on a random access mode or a scheduling mode, so that an SINR of the target terminal is improved without help from a base station.

Abstract: The present invention relates to a power supply and pickup system capable of maintaining stability of transmission efficiency despite changes in a resonant frequency. More particularly, the present invention relates to a power supply and pickup system capable of maintaining the stability of efficiency of transmitting power to a pickup device from a power supply device even when a voltage or current changes by the variation in a resonant frequency. According to the power supply and pickup system of the present invention, Q-factor of a power supply and pickup system is set to a low value, a stability of efficiency of transmitting power to a pickup device from a power supply device is maintained even when a voltage of current changes by the variation in a resonant frequency.

Abstract: Provided are a method and system for handing over a mobile terminal between a macro base station and a vehicular base station to secure a communication service of a movable mobile terminal in a wireless communication system supporting a vehicular base station such as a vehicular relay station. The mobile terminal may be handed over by selecting a network or a vehicular base station suitable to a mobility and type of communication.

Abstract: The present invention relates to an offshore wind power generator, a lifting jig for transferring the offshore wind power generator, and a method for installing the offshore wind power generator using the lifting jig. The offshore wind power generator according to an embodiment of the present invention includes a blade, a nacelle including a power generator for generating power by the rotation of the blade, and a tower supporting the nacelle and installed on a support structure installed offshore. Also, the offshore wind power generator includes a tower support structure installed on the tower so that the tower is lifted using a predetermined transfer unit in a state where the blade, the nacelle, and the tower are integrally assembled. The tower support structure is disposed above a center of gravity of the wind power generator at which the blade, nacelle, and the tower are integrally assembled.

Abstract: Provided is a method and apparatus for operating an idle mode in a wireless communication system. The method includes receiving a first message requesting entry to an idle mode from a Subscriber Station (SS) through at least one Base Station (BS), selecting in response to reception of the first message whether the MS is to enter an idle mode in which BSs belonging to a paging group broadcast a paging message for the MS or whether the MS is to enter a semi-idle mode in which BSs belonging to a semi-idle paging group, which is a subset of the paging group, broadcast the paging message for the SS, and transmitting Paging announce information instructing the BSs belonging to the semi-idle paging group to broadcast the paging message for the SS, if the semi-idle mode is selected.

Abstract: One embodiment of the present invention discloses a feed line-compensated power transmission apparatus. One embodiment of the present invention, comprises: a feed line provided with horizontally elongated first and second lines and a third line for connecting one end of the first line to one end of the second line; a pair of compensation capacitors which are placed to face each other by connecting one end of the compensation capacitor to the other end of the first line and one end of the other compensation capacitor to the other end of the second line; an input power source for applying a high frequency power source by connecting both ends of the input power source to the other ends of the pair of compensation capacitors, respectively.

Abstract: The present invention relates to a ferrite core structure for a power supply device of an electric vehicle which changes the structure of a ferrite core module according to a related art to improve output and limits a reduction in strength due to warpage in a traveling direction of the vehicle to prevent cracks generated in a surface of an intermediate portion of a power supply road from occurring.

Abstract: A communication method of a serving micro base station is provided. The method includes a handover of a vehicular mobile terminal based on uplink broadcast information including a unique access code allocated to the vehicular mobile terminal within a multi-cell group. The multi-cell group includes a macro base station and a plurality of micro base stations within a cell coverage of the macro base station. The handover is performed based on a determined preparation level of the handover that is based on the uplink broadcast information.

Abstract: Provided is a communication method of a base station and a target terminal. Resources used for a channel feedback may be reduced by determining a wireless resource based on information about a channel and information about a mobility of the target terminal in each of at least one route, and by feeding back channel state information.

Abstract: Provided is a cooperative communication technology of a target terminal and a cooperative terminal. In an environment in which interference exists between cells, cooperation between terminals may be performed in order to improve quality of signals that are received from a base station.