Abstract: The present invention relates to an apparatus and method for measuring signal quality of an antenna.

Abstract: A base station apparatus of an antenna-integrated type for use in a mobile communication network, includes an enclosure configured to have electric and electronic devices for processing signals in receipt and to form at least a part of an exterior of the base station, and an antenna configured to be installed so as to be tiltable on one surface of the enclosure, to have an outer contour defined by a radome, to include at least one radiating element for transmitting and receiving a radio signal, and an enclosure fixing device configured to fixedly mount the enclosure to an external support, and an antenna fixing apparatus configured to fixedly install the antenna on the enclosure so that the antenna is adjustably tilted with respect to the enclosure.

Abstract: An antenna device may include: a main housing configured to house and fix a first board having a plurality of heating elements mounted on a rear surface thereof; at least one U-shaped heat dissipation cluster detachably coupled to the rear surface of the main housing, and filled with a predetermined refrigerant, wherein the refrigerant receives heat from the heating elements and dissipates the heat to the outside while moving along a pattern flow path formed in a distributed manner toward the outside; and at least one heat-collection mediating fixing part configured to collect heat from the heating elements and transfer the collected heat to the U-shaped heat dissipation cluster, while mediating the attachment/detachment of the U-shaped heat dissipation cluster to/from the rear surface of the main housing.

Abstract: A quad-polarized antenna module is provided for implementing temporal-polarization separation.

Abstract: The present invention relates to a clamping apparatus for an antenna, the clamping apparatus including a rotation unit configured to rotate an antenna in a horizontal direction, a tilting unit configured to rotate the antenna in a vertical direction, and a rotation/vibration prevention unit configured to adjust a direction of the antenna by rotating at least one of the rotation unit and the tilting unit and prevent the antenna from arbitrarily rotating after the direction of the antenna is adjusted, in which the rotation/vibration prevention unit includes a rotation motor, a worm gear configured to be rotated by the rotation motor, a shaft configured to define at least one rotation center, and a worm wheel gear installed on an outer peripheral surface of the shaft and configured to rotate at least one of the rotation unit and the tilting unit while being rotated by the worm gear, thereby easily adjusting the direction of the antenna by controlling the rotation motor and preventing the antenna with the adjuste

Abstract: The present invention relates to a waveguide filter particularly including a filter housing having a plurality of resonance blocks, a plurality of resonators configured by resonator posts respectively formed on the resonance blocks provided on the filter housing, and a resonator tunnel provided in the filter housing and configured to apply cross-coupling at least two resonance blocks among the plurality of resonance blocks, thereby providing very simple design for implementing coupling for forming a notch.

Abstract: The present invention relates to an antenna clamping device and a method of controlling the same, and particularly, the antenna clamping device includes a tilting rotation motor configured to rotate an antenna in a vertical direction, a tilting rotation prevention motor configured to lock or unlock a vertical rotation of the antenna, a rotating rotation motor configured to rotate the antenna in a horizontal direction, a rotating rotation prevention motor configured to lock or unlock a horizontal rotation of the antenna, and a controller configured to adjust a direction of the antenna by controlling the tilting rotation motor, the tilting rotation prevention motor, the rotating rotation motor, and the rotating rotation prevention motor, thereby improving operation convenience.

Abstract: The present invention relates to a multi-input and multi-output antenna apparatus, and in particular, the antenna apparatus provides an advantage of easy heat dissipation and calibration control by comprising: an antenna unit in which a transmission and reception substrate and an antenna substrate having a plurality of electric elements provided on one surface or the other surface thereof are stacked and arranged in the front-rear direction; a control unit in which a BB substrate and a PSU substrate having a plurality of electric elements provided on one surface or the other surface thereof are stacked and arranged in the front-rear direction, and which is provided so as to enable calibration control by using a connection between the antenna unit and a power supply or a control signal; and at least one connecting card which is provided so as to enable connection of the power supply or the control signal between the antenna unit and the control unit.

Abstract: A clamping apparatus for an antenna includes: an arm unit coupled to a support pole and extending in one horizontal direction from the support pole by a predetermined distance; a common coupling unit detachably mounted to a front end of the arm unit by insertion and detachment operations of a coupling shaft elongated vertically, the common coupling unit being selectively rotatable from side to side about the coupling shaft; a rotation unit having a front end detachably mounted to a front end of the coupling unit by insertion and detachment operations of a rotary shaft elongated vertically, the rotation unit being rotatable from side to side by a predetermined angle about the rotary shaft; and a tilting unit coupled to the front end of the rotation unit to be tiltable vertically, an antenna device being coupled to the tilting unit.

Abstract: A cooling apparatus for an electronic element is provided. The cooling apparatus includes a printed circuit board, a housing main body, an additional cooling part, and a heat transfer part. The printed circuit board includes one surface and another surface. A plurality of electronic elements are provided on the one surface of the printed circuit board. The housing main body includes an inner surface and an outer surface. The another surface of the printed circuit board is attached to the inner surface of the housing main body, and the outer surface of the housing main body has a plurality of first cooling ribs provided to protrude therefrom. The additional cooling part is disposed to be spaced apart from the outer surface of the housing main body, and dissipates heat transferred from the housing main body.

Abstract: The present disclosure provides a shield wall for shielding multiple individual antenna modules of a massive MIMO antenna from each other. A shield wall according to at least one embodiment of the present disclosure is formed by a plurality of staple-shaped unit partitions arrayed longitudinally of the shield wall, wherein the unit partitions are designed to have optimal widths and heights according to the frequency band in use, and are arranged at a predetermined interval or less with reference to the frequency band in use, thereby providing an antenna structure which satisfies both the X-POL isolation and CO-POL isolation characteristics and can be easily fabricated in a compact, lightweight design.

Abstract: The present invention relates to a clamping apparatus for an antenna and, particularly, to a clamping apparatus for an antenna, comprising: an arm unit which is coupled to a support pole vertically provided in the up-and-down direction and extends in the horizontal direction with respect to the support pole; a clamping unit having one end provided with an antenna device and the other end coupled to the distal end of the arm unit, wherein the clamping unit is provided to be rotatable leftward and rightward or to be tiltable upward and downward, so as to rotate the antenna device; and a rotation-auxiliary mounting unit coupled onto the support pole corresponding to the lower part of the arm unit, wherein when a rotation angle of the arm unit is changed, the rotation-auxiliary mounting unit rotatably supports the arm unit in the rotation direction of the arm unit while supporting the weights of the arm unit and the antenna device.

Abstract: An antenna apparatus is disclosed, including a lower housing, a middle housing disposed on the lower housing and having one surface formed with one or more first heat dissipation fins, a first accommodation space formed by the lower housing and the middle housing, at least one first heat-generating element disposed in the first accommodation space, one or more heat dissipation supports each disposed on the middle housing and having at least one surface formed with one or more second heat dissipation fins, and an antenna module supported on the one or more heat dissipation supports.

Abstract: The present disclosure relates to a coaxial connector, and particularly, a coaxial connector including a fixing module which is connected to a first PCB, and a contact module which is coupled movably to the fixing module, and provided to be contactable to a second PCB facing the first panel, in which the contact module includes a contact body which is made of a conductive material, and has a hollow formed therein, a contact pin which is made of a conductive material, and disposed to penetrate the hollow of the contact body, and a contact insulator which is disposed in the hollow of the contact body to insulate the contact pin and the contact body by partitioning the contact pin and the contact body, and the contact module is configured so that the contact body, the contact pin, and the contact insulator are integrally formed to be assembled to the fixing module by a singular process, thereby providing the advantages which may reduce the cost of a product, and improve the quality of the product by improving a

Abstract: The preset invention relates to a dual polarized antenna and an antenna array and, more particularly, to a dual polarized antenna comprising: a top portion having a radiation patch; a bottom portion forming a probe; and side portions formed along the outer peripheral edge of the top portion so as to have a predetermined height, wherein the side portions include a cup-shaped aluminum structure, and the top portion, the bottom portion, and the side portions are formed in an integrated form.

Abstract: The present invention relates to a time-division duplex (TDD) antenna apparatus which can reduce signal loss, and thereby minimize the noise figure (NF) of a system and extend uplink coverage of the system, by separating a transmitter circuit from a receiver circuit of the antenna apparatus, and disposing a low noise amplifier (LNA) of the receiver circuit between a reception antenna and a reception filter of the receiver. A time-division duplex antenna apparatus according to an embodiment of the present invention includes: a transmitter which includes at least one transmission antenna module and transmits a downlink signal through a first path; a receiver which includes at least one reception antenna module and receives an uplink signal through a second path that is separated from the first path without any overlapping portions thereof; and a controller which controls the transmitter and the receiver in a time-division duplex manner.

Abstract: The present disclosure provides a dual-polarized antenna, which is advantageous for a reduction in size by significantly reducing the complexity of a structure while satisfying a Cross Polarization ratio (CPR) characteristic and an isolation characteristic, that is, advantages of a dual feed, by enabling a dual feed using a shift series feed even without another structure in one antenna structure.

Abstract: The present invention relates to an antenna apparatus and, in particular, comprises: a main housing having an inner space formed therein so as to embed a main board and having a plurality of radiating fins provided on an outer surface thereof; a cover housing provided so as to shield the inner space of the main housing and having a plurality of radiating fins provided on an outer surface thereof; and a plurality of unit antenna blocks detachably coupled so as to occupy a portion of the outer surface of the cover housing, and having an antenna substrate embedded therein, the antenna substrate having one or more antenna elements and one or more antenna filters combined thereto, wherein the plurality of unit antenna blocks are signal-connected to the main board via at least one connecting card, thereby providing an advantage that dual banding can be realized as well as enabling effective heat dissipation.

Abstract: A printed circuit board includes one surface on which a plurality of electronic elements are mounted, at least one of the plurality of electronic elements generating heat during its operation, a board case which accommodates the printed circuit board, a cooling cover which has an inner surface and an outer surface, and a plurality of radial cooling bodies each formed to extend from the outer surface of the cooling cover so as to be inclined upward and configured to receive the heat generated from the printed circuit board to dissipate the heat externally. The inner surface of the cooling cover is in close contact with another surface of the printed circuit board while covering the board case. Each of the plurality of radial cooling bodies includes a unit heat pipe.

Abstract: The present disclosure includes, in a dual polarized omni-directional antenna and a base station including the same, a plurality of radiating elements disposed to be spaced apart in one direction by the dual polarized omni-directional antenna, and a feed line for providing a feed signal to the plurality of radiating elements, and the plurality of radiating elements include a first radiator for generating one polarization of dual polarization, and a second radiator for generating the other polarization of the dual polarization, respectively, the first radiator is prepared on a first surface, and the second radiator is prepared on a second surface, and a main lobe direction of the first radiator and a main lobe direction of the second radiator are different directions from each other.