Abstract: A base station apparatus of mobile communication system is provided, including an antenna system including first antenna for transceiving signals for a first path among MIMO paths, and a second antenna for transceiving signals for a second path among the MIMO paths, a first duplexer including transmission filter for processing the transmitted signal of first path and reception filter for processing the received signal of second path, a second duplexer including reception filter for processing the received signal of first path and transmission filter for processing the transmitted signal of second path, and a path change unit for providing the transmitted signal provided from the first duplexer to the first antenna and the received signal provided from the first antenna to the second duplexer and to provide the transmitted signal from the second duplexer to the second antenna and the received signal from the second antenna to the first duplexer.

Abstract: The present invention relates to an omnidirectional antenna for a mobile communication service, comprising: a plurality of radiation elements disposed on a horizontal surface with a mutually same angle so as to respectively radiate beams; and a power supply unit for distributing and providing a power supply signal to each of the plurality of radiation elements, wherein each of the plurality of radiation elements has a structure in which a horizontal polarization dipole radiation unit having two radiation arms is coupled to a vertical polarization dipole radiation unit having two radiation arms.

Abstract: Provided is an apparatus for tuning the voltage standing wave ratio (VSWR) of a base station system in a wireless communication network, the apparatus comprising: a VSWR changing unit for changing the characteristics of the VSWR of an antenna by changing electrical signal transmission characteristics of an internal power feedline by means of an external operation, or by changing the characteristics for transceiving a radiating member; a driving unit for driving the VSWR changing unit in accordance with a control signal; a VSWR detection unit for detecting the corresponding VSWR for the installed antenna and generating a detection signal on the basis thereof; and a control unit for controlling the actions of the VSWR changing unit for changing the VSWR characteristics by controlling the operation of the driving unit, if a VSWR characteristic is determined to be in an abnormal state on the basis of the detection signal generated by the VSWR detection unit.

Abstract: A small-sized base station employed in a mobile communication system is disclosed. To this end, the small-sized base station in a mobile communication system, according to one embodiment of the present invention, is a base station device in a mobile communication system comprising: a case which has the shape of a polyhedron and is hollow inside; a housing accommodated inside the case and having the same polyhedron shape as the case; and at least one board which is positioned between the case and the housing.

Abstract: A multi-band antenna apparatus according to one of various embodiments of the present invention may comprise: an antenna housing in which an antenna module having two or more frequency bands is mounted; a plurality of repeaters detachably coupled to the antenna housing according to slide movement thereof; connector parts which protrude from the antenna housing and are connected to the plurality of repeaters, respectively; and a bracket which fixes the antenna housing to an outer wall and couples the plurality of repeaters to the antenna housing in an individually detachable manner.

Abstract: The present invention discloses a base station, the size of which is reduced and which is to be adopted in a mobile communication system. The disclosed small base station includes: a polyhedral housing; an antenna unit disposed on the widest surface of the outer surface of the housing; a first board arranged on any outer surface of the housing; and two or more boards which are arranged in an upright state with the first board and which are arranged to face three or more outer side surfaces of the housing, respectively.

Abstract: Various embodiments of the present invention comprise: an antenna module; and at least one RRH which is arranged to face the outer surface of the antenna module, is coupled by being directly connected to the antenna module and arranged along the longitudinal direction of the antenna module, wherein a plurality of cooling air gaps are provided between the outer surface of the antenna module and the RRH.

Abstract: The present invention relates to a multi-band, multi-polarized wireless communication antenna, which comprises: a reflector; at least one first radiation module of a first band which is installed on the reflector; and at least one second or third radiation module of a second band or a third band installed on the reflector, wherein the first radiation module comprises first to fourth radiating elements having a dipole structure, the first to fourth radiating elements are configured such that every two radiating arms thereof are connected in the shape of letter “”, one of the two radiating arms is configured to be placed side by side along side of the reflector, and the second or third radiation module is installed to be included within an installation range of the first radiation module.

Abstract: The present invention relates to a mobile communication base station system comprising: a donor unit connected to a baseband unit; and a remote unit installed at the base station antenna side, wherein the donor unit has a baseband signal processing part including a digital signal processing part for processing interface with the baseband unit, a wireless communication part for processing a wireless communication signal between the baseband signal processing part and the remote unit, and a synchronization and communication control part for processing a synchronizing signal and a communication control signal from the baseband unit, and wherein the remote unit has a service signal processing part for processing MIMO interface with a base station antenna, a wireless communication part for processing a wireless communication signal between the service signal processing part and the donor unit, and a synchronization and communication control part for processing a synchronizing signal and a communication control sig

Abstract: The present invention relates to a device for forming a wireless high-frequency signal path, comprising: a plurality of output ends respectively connected so as to correspond to a plurality of antenna arrays; a plurality of input ends respectively connected so as to correspond to a plurality of amplifiers; a switching module for forming a path for variably connecting each of the plurality of input ends to one selected from the plurality of output ends according to a switching control signal; and a control unit for receiving an external command and outputting a switching control signal for controlling a switching operation of the switching module according to the external command.

Abstract: The present invention relates to an antenna of a mobile communication base station, comprising; an RET driving unit, an RAS driving unit, and an RAB driving unit, each comprising a driving motor, for driving electrical and mechanical devices for respectively adjusting RET, RAS and RAB; and multi-function equipment for controlling the driving of the RET driving unit, the RAS driving unit and the RAB driving unit by communicating with a main system of a base station such that at least a control signal for controlling the RET, the RAS, and the RAB is received.

Abstract: In the present invention, a radio communication antenna having a narrow beam width comprises: a reflecting plate provided in the form of a plate of rectangular shape; and one radiating module disposed on the reflecting plate and generating x-polarized waves. Here: the radiating module comprises four radiating elements of dipole structure; the four radiating elements are respectively disposed at four edge portions of the reflecting plate, and each comprises two radiating arms placed in the direction extending along both sides relative to the edges; and, among the four radiating elements, those radiating elements that face each other diagonally are linked in movement so as to generate one of the x-polarized waves.

Abstract: The present invention relates to a base station antenna for mobile communication, the antenna, equipped with horizontally arranged radiating elements and connected to a base station system, comprising: a reflective plate disposed in the interior of a multiple-input multiple-output antenna; a plurality of antennas disposed on the planar surface of the reflective plate; and a moving unit for moving the plurality of antennas vertically within the range of the planar surface of the reflective plate.

Abstract: The present invention relates to a dual polarization antenna comprising a reflection plate, and a radiating module including first to fourth radiating elements having respective first to fourth radiating arms having respective bent portions. The bent portions of the first to fourth radiation arms are sequentially adjacent to each other, and sequentially form and shaped structures. The and shaped structures are located on a third quadrant, a fourth quadrant, a second quadrant, and a first quadrant, respectively. The first to fourth radiating elements have supports integrally extending from the bent portions of the first to fourth radiating arms to the reflection plate. The radiating module includes a first feeder line installed to transmit signals to the first and third radiating arms, and a second feeder line installed to transmit signals to the second and fourth radiating arms.

Abstract: Provided is an apparatus for tuning the voltage standing wave ratio (VSWR) of a base station system in a wireless communication network, the apparatus comprising: a VSWR changing unit for changing the characteristics of the VSWR of an antenna by changing electrical signal transmission characteristics of an internal power feedline by means of an external operation, or by changing the characteristics for transceiving a radiating member; a driving unit for driving the VSWR changing unit in accordance with a control signal; a VSWR detection unit for detecting the corresponding VSWR for the installed antenna and generating a detection signal on the basis thereof; and a control unit for controlling the actions of the VSWR changing unit for changing the VSWR characteristics by controlling the operation of the driving unit, if a VSWR characteristic is determined to be in an abnormal state on the basis of the detection signal generated by the VSWR detection unit.

Abstract: The present invention relates to a base station antenna for mobile communication, the antenna, equipped with vertically arranged radiating elements and connected to a base station system, comprising: a reflective plate disposed in the interior of the antenna; a plurality of radiating elements disposed on the planar surface of the reflective plate; and a moving unit for moving the plurality of radiating elements vertically within the range of the planar surface of the reflective plate.

Abstract: Disclosed is an antenna provided with an apparatus for extending beam width for a mobile communication base station. An antenna for a base station according to an embodiment of the present invention comprises: a reflector plate; an emitting element disposed on the reflector plate; and an apparatus for extending the width of a beam, the apparatus being fixedly disposed at a previously set distance from the emitting element in the direction of emission thereof and made of thin metal.

Abstract: The present invention relates to an antenna for a mobile-communication base station and includes a reflective plate, and a first radiant element having a first frequency band formed on the reflective plate, wherein the first radiant element includes: a slot structure that is formed as a letter “X” hole directly in the entire reflective plate and generates a transmission signal having X-shaped dual polarizations that are orthogonal to each other, and a metallic patch plate that is installed on the top of the slot structure so as to be insulated from the reflective plate.

Abstract: The present invention provides a coaxial RF cable connection device that connects a coaxial RF cable to a printed circuit board having one side on which a signal transmission pattern is formed and having another side on which a ground plane is formed. The devices has central body with a support opening into which the cable is penetrated and inserted and a solder block with a pair of auxiliary bodies respectively protruded from both sides of the central body. The printed circuit board has a cutting portion formed by cutting and removing a part of the edge. A pair of through holes are formed on both sides of the cutting portion and is soldered on one side of the printed circuit board.

Abstract: A small-sized base station employed in a mobile communication system is disclosed. To this end, the small-sized base station in a mobile communication system, according to one embodiment of the present invention, is a base station device in a mobile communication system comprising: a case which has the shape of a polyhedron and is hollow inside; a housing accommodated inside the case and having the same polyhedron shape as the case; and at least one board which is positioned between the case and the housing.