EP2253046A2 - Mehrstrahlantenne mit mehreinrichtungs-steuereinheit - Google Patents

Mehrstrahlantenne mit mehreinrichtungs-steuereinheit

Info

Publication number
EP2253046A2
EP2253046A2 EP09711078A EP09711078A EP2253046A2 EP 2253046 A2 EP2253046 A2 EP 2253046A2 EP 09711078 A EP09711078 A EP 09711078A EP 09711078 A EP09711078 A EP 09711078A EP 2253046 A2 EP2253046 A2 EP 2253046A2
Authority
EP
European Patent Office
Prior art keywords
antenna
control unit
control
propagation direction
device control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP09711078A
Other languages
English (en)
French (fr)
Other versions
EP2253046B1 (de
EP2253046A4 (de
Inventor
Gregory Girard
Frank Soulie
Eric Proteau
Anthony Pallone
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Amphenol Corp
Original Assignee
Amphenol Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Amphenol Corp filed Critical Amphenol Corp
Publication of EP2253046A2 publication Critical patent/EP2253046A2/de
Publication of EP2253046A4 publication Critical patent/EP2253046A4/de
Application granted granted Critical
Publication of EP2253046B1 publication Critical patent/EP2253046B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/005—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using remotely controlled antenna positioning or scanning
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
    • H01Q3/32—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by mechanical means

Definitions

  • This invention relates to the field of cellular or mobile telephone base station antennas and, more particularly, relates to a remote electrical tilt (RET) base station antenna with a removable multi-device control unit that can be switched to remotely control more than one electro-mechanical actuator contained inside the antenna.
  • RET remote electrical tilt
  • Antennas with variable electrical tilt (VET) functionality are known in the art. These antennas, which are used in cellular networks, enable network operators to electrically tilt the elevation beam pointing direction of the antenna by manually rotating a knob or translating a shaft on the exterior of the antenna.
  • the knob or shaft is linked to phase shifters inside the antenna that convert the mechanical rotation or translation of the shaft to phase changes in the radio frequency beam forming network inside the antenna. Changes in phase between radiating elements inside the antenna cause the beam emitted from the antenna to tilt up or down relative to mechanical boresite of the antenna.
  • An example of a cellular base station antenna demonstrating VET technology is depicted in US 7,068,236, which is incorporated by reference.
  • Beam tilt adjustment is needed in cellular networks to reduce signal propagation between sites in the network in order to minimize signal interference and to maximize network capacity.
  • Antennas with VET functionality allow network operators to make accurate tilt adjustments at a cell site without mechanically tilting the antenna and without changing the visual appearance of the site.
  • Antennas with VET functionality typically include some sort of tilt indicator to provide visual feedback of the antenna electrical tilt setting to a person located at the antenna to inspect the antenna or to manually make the tilt adjustment.
  • RET antennas are also known in the art. RET antennas incorporate an electro-mechanical actuator attached to or installed inside of the antenna to rotate the knob or translate the shaft on a VET antenna. This enables the electrical tilt of the VET antenna to be controlled from a remote location, eliminating the expense of hiring a rigger to climb the tower and manually adjust the electrical tilt of the antenna beam.
  • RET actuators This conventional configuration of RET actuators is shown in FIG 1 , in which a tri-band antenna 4 includes three self contained, separately removable RET actuators 5a-c, one for each operational frequency band of the antenna.
  • Each RET actuator is a self contained electro-mechanical device with lightning protection circuits, communications circuits, a motor, motor control circuits, power control circuits and a motor position sensor contained within a single enclosure.
  • multiple, stand-alone RET actuators are attached to or inserted inside of the antenna housing. Cable assemblies are connected between the RET actuators to provide power and signaling to the multiple RET actuators for that antenna.
  • This design approach is expensive due to the cost of the external cable assemblies and the redundant electronic components used by multiple RET actuators.
  • removable RET actuators must be configured to physically align with and receive the phase shifter shafts for each beam of the multi- beam antenna, which requires a different removable RET actuator configuration for each antenna with a different phase shifter shaft configuration.
  • phase shifter adjustment knobs or shafts on a typical multi-band RET antenna are constrained by the physical size and shape of the RET actuators and by their attachment mechanisms.
  • the phase shifter adjustment knobs or shafts must be spaced far enough apart to allow the multiple RET actuators to be attached to the antenna without mechanical interference.
  • the knobs or shafts must also be spaced far enough apart to provide room for the RET actuator mounting hardware and to provide access for the tools used to install the mounting hardware.
  • the location of the phase shifter adjustment knobs or shafts on the antenna are often determined by the geometry of the RET actuators and not by the optimum phase shifter placement inside the antenna.
  • the present invention meets the need described above in a RET antenna with a multi-device control unit that is configured to be inserted into and removed from a receptacle in the antenna.
  • the multi-device control unit works with one or more modular switching units, which are typically located inside the antenna enclosure, to control the motors and position sensors located inside the antenna to allow a single controller located in the multi-device control unit to control multiple embedded electro-mechanical actuators, such as phase shifter control motors. This enables multiple motors to share a common control system located in the multi-device control unit, which greatly reduces the number of electronic components required for a multi- beam RET antenna.
  • the multi-device control unit typically includes one or more lightning protection circuits, communications circuits, motor controllers, power control circuits and motor position sensing circuits inside a small housing, which is usually located inside the antenna housing at the time of manufacture. These components are shared between all motors inside the antenna through the modular switching unit, which allows a single set of components within the multi-device control unit to replace redundant components deployed in prior RET actuators.
  • the modular switching unit monitors an internal addressing bus and closes the connections to the appropriate motor and motor position feedback sensor based on the hardware address for that motor.
  • the modular switching unit is configured to be inserted into a receptacle in the antenna body and secured with two mounting screws
  • the invention may be practiced as a multi-beam RET base station antenna for a telecommunications system.
  • the antenna includes a number of beam systems supported by a housing.
  • Each beam system includes a number of antenna elements for directing a beam of electromagnetic energy in a propagation direction, a plurality of phase shifters operatively connected to the antenna elements for tilting the beam propagation direction, a control device operatively connected to the phase shifters for operating the phase shifters to tilt the beam propagation direction, and a gear-motor unit operatively connected to the control device for electro-mechanically driving the control device to tilt the beam propagation direction.
  • the antenna also includes a multi-device control unit operative to selectively control the beam propagation direction of each beam system and one or more modular switching devices configured to interface between the multi- device control unit and the motors and position sensors of the antenna systems to allow a single set of control electronics of the multi-device control unit to selectively control the beam propagation direction of each beam system.
  • the modular switching unit is typically located inside the enclosure and the multi-device control unit is typically configured for manual insertion into and removal from a receptacle supported by the housing, which is typically open to the exterior of the antenna.
  • the multi-device control unit typically includes a lightning protection circuit, a communications interface, an internal addressing interface, a motor control interface, a power sensing interface, and a power control circuit, which are sufficient components for the multi-device control unit.
  • the modular switching device typically includes at least one switch, a signal routing device, and a plurality of address registers with each register associated with a beam system of the antenna, which are sufficient components for the modular switching device.
  • the invention may also be implemented in a method for providing a base station antenna for a telecommunications system with optional multi-beam RET control functionality.
  • An antenna operator is provided with an antenna that includes a plurality of beam systems located within an antenna enclosure.
  • Each beam system includes a number of antenna elements for directing a beam of electromagnetic energy in a propagation direction, a number of phase shifters operatively connected to the antenna elements for tilting the beam propagation direction, a control device operatively connected to the phase shifters for operating the phase shifters to tilt the beam propagation direction, and a gear-motor unit operatively connected to the control device for electro-mechanically driving the control device to tilt the beam propagation direction.
  • the antenna is provisioned prior to delivery with a receptacle supported by the housing, which may be open to the exterior of the antenna.
  • the antenna operator In response to a request from the antenna operator for optional multi-beam RET control functionality received after initial delivery of the antenna, the antenna operator is provided with a multi-device control unit configured for manual insertion into and removal from the receptacle.
  • the modular switching device is operable to interface between the multi-device control unit and the motors and position sensors of the antenna systems to allow a single set of control electronics of the multi-device control unit to selectively control the beam propagation direction of each beam system.
  • FIG. 1 is an electrical schematic of a prior art configuration for a tri-band antenna with three removable RET actuators.
  • FIG. 2 is an electrical schematic of a tri-band RET antenna with a multi-device control unit and internal switching devices.
  • FIG. 3 is a perspective view of a tri-band RET antenna with a multi-device control unit.
  • FIG. 4 is a front view of the RET control equipment in an RET antenna with a multi-device control unit.
  • FIG. 5 is a bottom view of the antenna enclosure of an RET antenna with a multi-device control unit.
  • FIG. 6 is a front perspective view of a multi-device control unit and associated receptacle.
  • FIG. 7 is a rear perspective view of the multi-device control unit and associated receptacle.
  • the present invention meets the need described above in a RET antenna with a multi-device control unit that can be inserted into and removed from a receptacle in the antenna.
  • the multi-device control unit works with one or more modular switching units, which are typically located inside the antenna enclosure.
  • the multi-device control unit works together with motors and position sensors located inside the antenna to allow a single controller located in the multi-device control unit to control multiple embedded electro-mechanical actuators, such as phase shifter control motors. This enables multiple motors to share a common control system located in the multi-device control unit, which greatly reduces the number of electronic components required for a multi-beam RET antenna.
  • the multi-device control unit typically includes one or more lightning protection circuits, communications circuits, motor controllers, power control circuits and motor position sensing circuits inside a small housing that is usually located inside the antenna enclosure. These components are shared between multiple motors inside the antenna through the modular switching unit, which allows a single set of components within the multi-device control unit to replace redundant components deployed in prior RET actuators.
  • the modular switching unit monitors an internal addressing bus and closes the connections to the appropriate motor and motor position feedback sensor based on the hardware address for that motor. This enables multiple motors to share a common control system, greatly reducing the number of electronic components required for a multi-RET system.
  • An electronic connector on the multi-device control unit plugs into a mating connector on a receptacle mounted to the antenna enclosure to provide power, signaling and motor position feedback between the multi-device control unit and the motors and position sensors inside the antenna.
  • the motors and motor position feedback sensors associated with each phase shifter adjustment shaft are permanently attached inside the antenna. This configuration eliminates the mechanical drive train and linkage interface of conventional RET actuators and replaces it with an electrical interface, implemented by the multi-device control unit, between the RET controller and the antenna.
  • the electrical connections inside the antenna are made with a wiring harness which is flexible and does not constrain the mounting location for the motors and motor position sensors inside the antenna.
  • An additional benefit of this design is that a customer does not need to perform a calibration step at installation.
  • the position feedback sensors are installed and calibrated at the factory. Since there is never a mechanical separation in the phase shifter drive chain after the antenna leaves the factory, calibration is never lost.
  • the present invention can be used for control of electro-mechanical actuators inside the antenna for purposes other than remote electrical beam tilt (RET.)
  • Actuators for remote azimuth beam steering (RAS) and/or remote azimuth beam width control (RAB) can also be controlled using the same multi-device control unit.
  • FIG. 1 is an electrical schematic of a prior art configuration for a tri-band antenna 4 with three removable RET actuators 5a-c.
  • the tri-band antenna 4 includes three self contained, separately removable RET actuators 5a-c, one for each antenna array implementing an operational frequency band of the antenna.
  • the RET actuator 5a is a self contained electro-mechanical device with lightning protection circuits 52a and 54b, a communications interface 56a, a position sensor interface 58a, a motor control interface 60a, a power control circuit 62a, a motor 64a, and a position sensor 66a contained within a single enclosure 67a.
  • a drive rod 68a extending through the enclosure drives the phase shifters of an associated antenna array 70a. Therefore, the RET actuators 5a-c contain a complete duplication of the equipment needed to control the electrical tilt of an array transmitting and receiving the signals for one beam of a multi-beam antenna.
  • the drive rods 68a-c must mechanically interface with the control rods of the antenna arrays 70a-c, resulting in a physically restrictive and potentially complicated mechanical interface 7.
  • FIG. 2 is an electrical schematic of an antenna system 10 including a dual- polarization, tri-band RET antenna 12 and a multi-device control unit 20.
  • the multi- device control unit 20 includes lightning protection circuits 72 and 74, a communications interface 76, an internal addressing interface 82, a motor control interface 84, a position sensing interface 86, and a power control circuit 88.
  • the multi-device control unit 20 works together with modular switching devices 14a-b, which are typically located inside the antenna enclosure, to control the phase shifters to implement electrical beam tilt for up to four bands of a multi-band antenna.
  • the single set of components in the multi-device control unit 20 works in concert with the modular switching devices 14a-b to control the electrical tilt for all three beams of the antenna with the single set of control components in the multi-device control unit 20 with one of the four potential control circuits dormant in this particular configuration.
  • the multi-device control unit 20 may be may be configured to control additional dev ices.
  • a typical control unit can support up to 16 motor/position sensors.
  • FIG. 2 shows only two modular switching devices 14a-b eight modular switching devices are typically installed, and a larger or smaller number could be installed as a matter of design choice.
  • the modular switching device 14a which is configured to relay tilt control commands from the multi-device control unit 20 for up to two operational bands implemented by antenna arrays, drives up to two existing internal phase shifter motors 90a-b and interfaces with up to two existing internal position sensors 92a-b of the host antenna.
  • the modular switching device 14a itself includes switches 94a-b, fixed address registers 96a-b, and a comparator 98a.
  • the comparator which operates as a signal routing device to route control commands to the appropriate switch, could be replaced by functionality in or associated with the address registers or any other suitable signal routing device that directs addressed signals to an associated addressed device.
  • Control logic in the multi-device control unit 20 operates cooperatively with the fixed address registers 94a-b and the comparator 98a to selectively control the phase shifter motors 90a-b.
  • the multi-device control unit 20 can independently control up to four phase shifter motors through the pair of modular switching devices 14a-b.
  • a greater or smaller number of phase shifter motors could be controlled at the particular antenna requires.
  • the RET motors and position sensors are the motors and position sensors originally provisioned in the antenna 12, which avoids the need for a mechanical linkage between the multi-device control unit 20 and the antenna 12. Therefore, there is only an electrical interface 15 is required between the multi-device control unit 20 and the antenna 12, as shown schematically in FIG. 2. If desired, the motors 90a-b, position sensors 92a-b, and switching devices 14a-b can be installed but remain dormant in the antenna 12 in the absence of the multi- device control unit 20. This allows the antenna 12 to be provisioned at the factory to be easily converted from manual tilt control to RET motorized tilt control through the addition of the multi-device control unit 20.
  • the modular switching devices 14a-b and associates wiring are preferably located in strategic locations inside the antenna enclosure at the time of manufacture.
  • the multi-device control unit 20 may be installed at the factory as original equipment, and a module containing the switching devices 14a-b may fit into the receptacle. In this case, the switching module is provided to the customer upon request for the optional RET functionality.
  • the multi-device control unit 20 and the modular switching devices 14a-b may be combined into an integrated control module that fits into the receptacle. In this case, the integrated control module is provided to the customer upon request for the optional RET functionality.
  • the combined functionality of the multi-device control unit 20 and the modular switching devices 14a-b may be installed inside or in association with the antenna at the factory as original equipment, and an activation device or activation code may be provided to the customer upon request for the optional RET functionality.
  • the advantages of the present invention can be enhanced with additional motorized actuators, for example for beam azimuth steering and beam width control.
  • the same size multi-device control unit 20 with additional switching devices located in strategic locations inside the antenna can control many motorized actuators to perform these and other antenna functions. Therefore, the multi-device control unit scheme can be extended to a wide range of motorized actuators performing a wide range of functions within the antenna without the physical limitations of mechanical linkages between the antenna and removable remote control actuators.
  • FIG. 3 is a perspective view of the bottom portion of the antenna system 10 including the tri-band antenna 12 shown substantially to scale.
  • the maximum width across the bottom of the antenna enclosure 25 is approximately 10 inches (24.5 cm) and the maximum depth across the bottom of the antenna enclosure is approximately 6 inches (14.2 cm).
  • the height of the antenna is not shown and can vary considerably for different embodiments.
  • a typical tri-band antenna 12 may be approximately 8 feet 10 inches (2.7 meters) tall.
  • the bottom of the enclosure 25 carries six cable connectors represented by the enumerated cable connector 16. Each vertical array transmits and receives one band of the tri-band antenna, and each band has two cable connectors, one for each polarization.
  • the antenna system 10 also includes the multi-device control unit 20, which fits into a receptacle
  • FIG. 4 is a front view of the RET control equipment in the antenna 12.
  • phase shifter control rods represented by the phase shifter control rod 24, three gear-motor units represented by the gear-motor unit 26, and three position sensors represented by the enumerated position sensor 28.
  • a receptacle 22 receives the multi-device control unit 20, physically supports and electrically connects to the switching devices 14a-b, which are implemented on PC cards.
  • the switching devices 14a-b are electrically connected by wires 35a-b that go to the gear motors and positions sensors, as shown in FIG. 4 and schematically in FIG. 2.
  • FIG. 5 is a bottom view of the antenna enclosure 25 of an RET antenna 12.
  • the enclosure 25 carries the receptacle 22 (shown without the multi-device control unit in FIG. 5) for receiving the multi-device control unit 20, which plugs into receptacle and is secured by two screws.
  • FIG. 6 is a front perspective view
  • FIG. 7 is a rear perspective view of the multi-device control unit 20 and the associated receptacle 22.
  • the front of the multi-device control unit 20 includes cable connectors 30 for connecting the multi-device control unit to a remote control unit.
  • the rear of the multi-device control unit includes a plug 32, such as a PC board edge connector, that plugs into a connector 34 on the receptacle 22.
  • the switching devices 14a-b plug onto the connector 34 and, in turn, are connected by wire to the gear-motors and position sensors located inside the antenna, as shown in FIG. 4.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Details Of Aerials (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Support Of Aerials (AREA)
EP09711078.7A 2008-02-11 2009-02-11 Mehrstrahlantenne mit mehreinrichtungs-steuereinheit Active EP2253046B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US2753008P 2008-02-11 2008-02-11
PCT/US2009/033774 WO2009102775A2 (en) 2008-02-11 2009-02-11 Multi-beam antenna with multi-device control unit

Publications (3)

Publication Number Publication Date
EP2253046A2 true EP2253046A2 (de) 2010-11-24
EP2253046A4 EP2253046A4 (de) 2013-01-16
EP2253046B1 EP2253046B1 (de) 2020-10-28

Family

ID=40957471

Family Applications (2)

Application Number Title Priority Date Filing Date
EP09709448A Withdrawn EP2248272A4 (de) 2008-02-11 2009-02-11 Abgesetzte elektrische neigungsantenne mit motor- und kupplungsbaugruppe
EP09711078.7A Active EP2253046B1 (de) 2008-02-11 2009-02-11 Mehrstrahlantenne mit mehreinrichtungs-steuereinheit

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP09709448A Withdrawn EP2248272A4 (de) 2008-02-11 2009-02-11 Abgesetzte elektrische neigungsantenne mit motor- und kupplungsbaugruppe

Country Status (7)

Country Link
EP (2) EP2248272A4 (de)
KR (1) KR101589580B1 (de)
CN (2) CN102150325B (de)
CA (2) CA2725888C (de)
IL (2) IL207480A (de)
MX (2) MX2010008830A (de)
WO (2) WO2009102775A2 (de)

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CN104170165A (zh) * 2014-02-10 2014-11-26 华为技术有限公司 天线调节装置和电调天线
WO2022050925A1 (en) * 2020-09-03 2022-03-10 Aselsan Elektroni̇k Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇ Central gearbox mechanism operated together with remote electrical switching module

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DE102011015550B4 (de) 2011-03-30 2012-10-31 Kathrein-Werke Kg Multi-Strahlform-Steuerungseinrichtung
DE102011015572B3 (de) 2011-03-30 2012-06-28 Kathrein-Werke Kg Strahlformeinrichtung für eine Antenne sowie zugehörige Antenne
DE102011015551B4 (de) 2011-03-30 2012-12-20 Kathrein-Werke Kg Multi-Strahlform-Zusatzeinrichtung
WO2011100926A2 (zh) 2011-04-14 2011-08-25 华为技术有限公司 相位调整装置及多频天线
CN102263328B (zh) 2011-06-07 2014-09-03 华为技术有限公司 一种多频天线远程控制设备及多频天线系统
KR101945405B1 (ko) 2012-01-27 2019-02-08 주식회사 케이엠더블유 이동통신 기지국의 안테나 시스템
WO2014042444A1 (ko) * 2012-09-14 2014-03-20 주식회사 케이엠더블유 이동통신 기지국의 안테나 및 그 제어 방법
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KR102079158B1 (ko) 2013-10-17 2020-02-19 주식회사 케이엠더블유 무선 고주파 신호 경로 형성 장치 및 그 제어 방법
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ES2542314B1 (es) * 2015-06-02 2016-05-13 Telnet Redes Inteligentes, S.A. Sistema para el control remoto de los haces de radiación de antenas multi-haz
ES2550133B1 (es) * 2015-07-07 2016-09-09 Telnet Redes Inteligentes, S.A. Antena multi-haz para estación base de telefonía móvil
CN105390812B (zh) * 2015-11-24 2018-09-25 中国电信股份有限公司 远程调整天线的方法、设备以及系统
CN108432040B (zh) * 2015-12-31 2020-01-21 华为技术有限公司 包含波束成形装置的天线
CN105633579B (zh) * 2016-01-26 2019-04-19 广东通宇通讯股份有限公司 多频基站天线及其移相器传动装置
CN107366715B (zh) * 2016-05-13 2022-01-28 康普技术有限责任公司 具有可选择联动件的致动器齿轮箱
EP3472896A4 (de) * 2016-06-15 2020-01-15 Commscope Technologies LLC Aktuatoren zur steuerung mehrerer phasenschieber von entfernten elektronischen downtilt-basisstationsantennen
CN106246808B (zh) * 2016-08-30 2019-02-26 广东通宇通讯股份有限公司 一种手调切换装置
KR101793478B1 (ko) 2016-10-07 2017-11-07 주식회사 에이스테크놀로지 페이즈 쉬프터를 위한 met 소자 및 met 소자를 포함하는 페이즈 쉬프터
CN106961014A (zh) * 2017-03-30 2017-07-18 武汉虹信通信技术有限责任公司 一种双层结构的密集阵列天线
US11289799B2 (en) * 2018-05-01 2022-03-29 Commscope Technologies Llc Base station antennas with compact remote electronic tilt actuators for controlling multiple phase shifters
CN108511913B (zh) * 2018-05-03 2022-09-30 京信通信技术(广州)有限公司 基站天线及其双极化天线振子
CN114402484A (zh) * 2019-09-06 2022-04-26 康普技术有限责任公司 远程电子倾斜基站天线和用于此类天线的机械校准
KR102298629B1 (ko) * 2020-02-27 2021-09-07 주식회사 에이치에스에이디씨 안테나 위상 조절 장치
CN111262031B (zh) * 2020-03-18 2024-07-05 东莞市本量电子科技有限公司 一种内置双电机换十二档的电调天线驱动器
CN111710975A (zh) * 2020-07-23 2020-09-25 东莞市宏鹏塑胶科技有限公司 电调天线换挡机构
KR20220068564A (ko) * 2020-11-19 2022-05-26 주식회사 에이스테크놀로지 알이티 모듈과 바이어스티 모듈 및 이를 포함하는 기지국 안테나
CN112582766B (zh) * 2021-02-20 2021-06-29 京信通信技术(广州)有限公司 多频天线及其移相用切换控制机构

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EP2253046B1 (de) 2020-10-28
IL207480A (en) 2016-03-31
EP2248272A4 (de) 2013-01-16
CA2725888A1 (en) 2009-08-20
CN102150374B (zh) 2015-02-25
KR101589580B1 (ko) 2016-01-28
MX2010008827A (es) 2010-12-20
CN102150325A (zh) 2011-08-10
IL207480A0 (en) 2010-12-30
CN102150325B (zh) 2014-06-11
CN102150374A (zh) 2011-08-10
WO2009102774A3 (en) 2010-01-14
EP2253046A4 (de) 2013-01-16
KR20100122092A (ko) 2010-11-19
CA2725886C (en) 2017-06-27
MX2010008830A (es) 2010-12-20
CA2725886A1 (en) 2009-08-20
WO2009102775A3 (en) 2010-01-14
WO2009102774A2 (en) 2009-08-20
WO2009102775A2 (en) 2009-08-20
CA2725888C (en) 2018-09-25
EP2248272A2 (de) 2010-11-10
IL207479A0 (en) 2010-12-30
IL207479A (en) 2017-12-31

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