Abstract: The present invention relates to a clamping apparatus for a support pole of a radio unit (RU) and, particularly, to a clamping apparatus s for a support pole of an RU comprising: a pole-side clamp, which is fixed to the support pole and has a locking hole recessed downward from the top thereof; and an RU-side clamp having the front end fixed to the RU, and having, at the rear end thereof, a locking pad inserted from the top toward the bottom into the locking hole of the pole-side clamp to be fixed therein, wherein the locking hole and the locking pad are inclined such that the front-to-back width gradually narrows in the direction of gravity, and thus the RU is easily attached to the support pole and each antenna device is easily oriented.

Abstract: Provided according to an embodiment of the present disclosure is a heating element cooling device comprising: a body part including a hollow portion in which working fluid is circulated and a wick portion which is disposed in at least a part of an inner wall of the body part and through which the working fluid flows to a heat source; a space part formed to extend from each of both ends of the body part and including a hollow portion; and a block part inserted into and welded to the space part.

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: The present invention relates to an antenna device, comprising: a front housing including antenna arrangement units in which at least one radiation element is disposed on the front sides thereof, and heat dissipation units formed between adjacent antenna arrangement units and being exposed to outside air to transfer heat generated from the rear side to the front; and a rear housing coupled to the front housing and provided with a filter for filtering RF signals and a main board on which an RF element is mounted, wherein the heat generated from the filter is transferred to the front of the front housing through the contact with the back surface of the front housing by using the filter as a heat transfer medium.

Abstract: The present invention relates to a small cell base station antenna apparatus and, more particularly, comprises: a rotatable housing having an internal space open in the back/forth direction; a steering ball joint unit coupled to the rear side of the open internal space of the rotatable housing and guiding the rotatable housing to enable steering rotation in thereof the horizontal direction with reference to an arbitrary rotation center point in the internal space of the rotatable housing; a tilting ball joint unit which is coupled to the front side of the open internal space of the rotatable housing, and tilted and rotated in the vertical direction while the front end thereof, to which an antenna module is coupled, is guided by the rotatable housing with reference to the arbitrary rotation center point of the internal space; and a multi-strand coaxial cable provided for electrical connection between a radio unit (RRH) and the antenna module.

Abstract: The present invention relates to a clamping apparatus for an antenna, the clamping apparatus including fixing bracket parts provided at upper and lower sides of a support pole to mediate installation of an antenna device on the support pole, an antenna installation bracket configured to mediate installation of the antenna device at a front side, a steering driving unit connected to the fixing bracket part and configured to operate to steer and rotate the antenna device, and a tilting driving unit having an upper end hingedly connected to the steering driving unit and a lower end hingedly connected to an upper end of a rear surface of the antenna installation bracket by means of a pair of tilting link members, the tilting driving unit being configured to tilt and rotate the antenna device, in which the clamping apparatus may further include a backlash reduction design shape for reducing the occurrence of mechanical backlash noise caused by an eccentric load of the antenna device, thereby suppressing the occurr

Abstract: The present invention relates to a heat sink structure and a manufacturing method thereof, in which a plurality of heat radiation fin parts, which is configured to radiate heat, is fixed to a heat radiation surface of a heat sink main body part by laser welding, such that thicknesses of and intervals between the plurality of heat radiation fin parts may be minimized, heat dissipation performance may be improved, a weight may be greatly reduced, and production lead time and manufacturing costs may be significantly reduced by manufacturing only the heat sink main body part by casting.

Abstract: The present invention relates to a clamping apparatus for an antenna, and particularly, an upper end of an antenna installation bracket is connected, on at least one point, to an upper support bracket part so as to be steered and rotated by means of a pair of tilting link members, a tilting driving unit, and a steering driving unit, and a lower end of the antenna installation bracket is connected, on at least one point, to a lower support bracket part so as to be steered and rotated, which may stably install an antenna device on a support pole and enable a miniaturization design of a product.

Abstract: The present disclosure relates to a radio transmission or reception apparatus and a beam forming method thereof. The apparatus according to the present disclosure comprises: an array antenna for forming multiple beams having different directivities so as to transmit or receive signals through the multiple beams; a digital unit for synthesizing an orthogonal polarization pair so as to generate multi-beam signals for forming the multiple beams; and an RF unit for frequency-converting the multi-beam signals so as to output each of the frequency converted multi-beam signals to the array antenna.

Abstract: The present disclosure relates to an antenna RF module, an RF module assembly including the antenna RF modules, and an antenna apparatus including the RF module assembly. Particularly, the antenna RF module includes an RF module, a radiation element module arranged on a first side of the RF filter, and an amplification unit board arranged on a second side of the RF filter, an analog amplification element being mounted on the amplification unit board. A plurality of antenna RF modules constitute the RF module assembly, and the RF module assembly and an antenna housing constitute the antenna apparatus. Accordingly, a radome that interrupts dissipation of heat to in front of an antenna is unnecessary, and heat generated from heat generating elements of the antenna apparatus is spatially separated. Thus, it is possible that the heat is dissipated in a distributed manner toward the front and rear directions of the antenna apparatus. The effect of greatly improving performance in heat dissipation can be achieved.

Abstract: The present invention relates to a clamping device for a base station antenna and, more particularly, to a clamping device for a base station antenna, comprising: a guide arm unit which is arranged to extend horizontally to a side, so as to be perpendicular to a support pole arranged vertically; and a tilting unit which is arranged in the guide arm unit and adjusts the tilting angle with respect to the support pole by moving, based on a lower end portion of an antenna module having a fixed hinge position, an upper end portion of the antenna module in the horizontal direction in the guide arm unit. Thus, an advantage of improving the convenience of installation work and reliability of a product can be provided.

Abstract: Disclosed herein are a small cell base station antenna apparatus and a connector for same. The small cell base station antenna apparatus comprises: a radio Unit (RU); at least one antenna module installed to be tiltable and steerable with respect to the a radio unit; and multifunction link configured to mediate the installation of each antenna module to the radio unit, wherein the multifunction link comprises: a center body; a first fixture connected between one end of the center body and the antenna module; and a second fixture connected between the other end of the center body and the radio unit, and wherein the first fixture and the second fixture are coupled via a ball joint to enable the antenna module to be installed to perform tilting rotation and steering rotation motions with respect to the radio unit.

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: A massive multiple-input multiple-output (MIMO) antenna apparatus and a heat dissipation device therefor are disclosed. The present disclosure according to at least one embodiment provides a massive MIMO antenna apparatus including a board, a first blowing unit, and a second blowing unit. The board has at least one board surface that holds a distributed arrangement of a plurality of heat-generating components, has a width and a length longer than the width, and includes a first section having a first amount of heat generation and a second section having a second amount of heat generation greater than the first amount of heat generation, the first section and the second section being partitioned along a length direction of the board.

Abstract: A PCB assembly is disclosed herein. An embodiment of the present disclosure provides a printed circuit board (PCB) assembly on which a plurality of devices is mounted, including: a power supply area disposed at one side of a main printed circuit board; a first area positioned in another direction of the main printed circuit board from the power supply area and including the plurality of devices; a second area positioned in another direction of the main printed circuit board from the first area and including the plurality of devices; a third area positioned in another direction of the main printed circuit board from the second area and including the plurality of devices; and a bridge printed circuit board receiving power from the power supply area and disposed vertically to the main printed circuit board, wherein the bridge printed circuit board crosses the first area, the second area, and the third area, and transmits power and a signal to at least one area.

Abstract: According to an embodiment of the present disclosure, provided is a radiation element structure arranged on a reflective plate, comprising: a radiation unit including a dielectric portion made from plastic material and first to fourth radiation arms arranged in a four-sided symmetrical structure on one surface of the dielectric portion; and a plurality of balun units, including a balun body connecting the reflective plate and the radiation unit, a feed line disposed on the upper surface of the balun body to feed the radiation unit, and a ground disposed on the lower surface of the balun body.

Abstract: The present invention relates to a full analog phase shifter, and more particularly, comprises: a variable switch panel comprising a first conductive pattern terminal and a second conductive pattern terminal; and a pattern PCB on which a plurality of array antenna elements are arranged and a transmission line at which the first conductive pattern terminal and the second conductive pattern terminal come into contact is pattern-printed, wherein, assuming that two variable switch panels are disposed in the vertical direction, the two variable switch panels are provided as a slider type that slides in the vertical direction so that, due to a phase shift caused by the contact between the first conductive pattern terminal and the second conductive pattern terminal and the transmission line, phases of the plurality of array antenna elements are linearly distributed on a same reference phase plane, thereby providing the advantage of easily implementing a mirror symmetry structure having a linear phase distribution on

Abstract: A heat dissipation device for an electronic element includes a first chamber containing a printed circuit board with heating elements, and a second chamber for heat exchange. The second chamber contains a refrigerant injection part and supply part. A heat transfer part between the chambers receives heat from the heating elements and transfers it to the second chamber. A condensing part condenses injected refrigerant. The heat transfer part has evaporation-inducing ribs on its surface exposed to the second chamber, allowing injected liquid refrigerant to be adsorbed and flow downward in a zigzag pattern. This configuration enables efficient heat dissipation through phase changes of the refrigerant as it evaporates and condenses. The device may also include features like specially-shaped condensation ribs, a blower part to improve condensation, and a pressure regulator for the second chamber. This design provides improved heat dissipation performance without increasing device size.

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 an antenna apparatus.