EP3101729A1 - System zur fernsteuerung der strahlen aus multistrahlantennen - Google Patents

System zur fernsteuerung der strahlen aus multistrahlantennen Download PDF

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Publication number
EP3101729A1
EP3101729A1 EP15190172.5A EP15190172A EP3101729A1 EP 3101729 A1 EP3101729 A1 EP 3101729A1 EP 15190172 A EP15190172 A EP 15190172A EP 3101729 A1 EP3101729 A1 EP 3101729A1
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EP
European Patent Office
Prior art keywords
motor
control
antenna
radiation beams
remotely controlling
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
EP15190172.5A
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English (en)
French (fr)
Other versions
EP3101729B1 (de
Inventor
Daniel Alfredo Leza Abad
Ana Edelmira Merino Rubio
Francisco javier CORTÉS SANTAOLALLA
Ignacio MESA DOMÍNGUEZ
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Telnet Redes Inteligentes SA
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Telnet Redes Inteligentes SA
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Publication of EP3101729A1 publication Critical patent/EP3101729A1/de
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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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system

Definitions

  • the following invention as expressed in the title of this specification, relates to a system for remotely controlling the radiation beams of multi-beam antennas, whose object belongs to the field of antenna control, and describes a mechanical/electronic system for remotely controlling the radiation beams of a multi-beam antenna.
  • the system consists of two differentiated parts: i) the modular mechanical movement transmission part and ii) the electronic control part that governs the mechanical part, both of which can be integrated in the interior of the antenna and are accessible to the end user.
  • the mechanical system which in the materialisation of the present invention is internal, modular and accessible, makes it possible to configure the tilt of each antenna band separately, both manually and electrically, and to individually remove each motor without disassembling the antenna, without affecting the tilt position and leaving the actual tilt position visible to the user at all times.
  • the electronic control system which in the materialisation of the present invention is internal, modular and removable, makes it possible to control the tilt of each band through one or more control entities in a completely independent manner, without interference therebetween, and without need to include any additional element.
  • the present specification discloses a system for remotely controlling the radiation beams of multi-beam antennas, which is applicable in the field of mobile telephony antennas, more specifically in the field of multi-beam antennas that include what is widely known as remotely controlled beam shaping.
  • beam-shaping antennas are used particularly in mobile telephony base stations, wherein their most well-known field of application is the remote configuration of the inclination angle of the main beam or tilt through the installation of RET (Remote Electrical Tilt) devices on the antenna.
  • RET Remote Electrical Tilt
  • the electrical phase shift is achieved by electromechanically actuating elements internal to the antenna that modify the signal phase delivered to each radiation element (elements widely known as phase shifters).
  • the diagram of radiation upon the coverage surface is higher in quality on achieving main beam tilt by means of the electrical phase shift than if the antenna was mechanically tilted. Also, on performing this operation by means of individualised actuations per band a different tilt is achieved for each band despite being assembled on the same mechanical infrastructure.
  • multi-beam antennas are widely extended.
  • multi-beam or multi-band antennas understanding as such antennas that include more than one radiation system within a single radome; for example, a dual-band antenna may have two radiation systems in the 1710-2690 MHz bandwidth; or a dual-band antenna may have a radiation system over the 690-960 MHz range and another radiation system over the 1710-2690 MHz range; a hexa-band antenna may have two radiation systems over the 690-960 MHz range and four radiation systems over the 1710-2690 MHz range and so on.
  • Each radiation system may function in various sub-bands; for example, a radiation system that covers the 1710-2690 MHz range may be used in the sub-bands GSM1800 (1710-1880 MHz), PCS1900 (1850-1990 MHz), UMTS2100 (1920-2170 MHz), TDD Band 40 (2300-2500MHz), 3G-LTE Extension 2500 (2500 - 2690 MHz), etc.
  • the term multi-band antennas shall be used to refer to various radiation systems within a single radome or envelope, where each band is referred to as a radiation system.
  • Multi-band antennas wherein the radiation beam can be independently controlled by installing external remote control devices in each of the bands or at least in bands that must be constantly controlled to optimise the network already exist on the market.
  • these devices there is increasing demand among network operators for these devices to be internal to the antenna for three reasons: i) if the RET is external and is connected to the antenna at the time of its installation at the site, the RET is prone to failures due to blows received during installation; ii) if the RET is not disposed on the antenna at the time of installation thereof at the site, the RET must then be connected and normally the skills required of the RET installer and integrator at the base station are not the same skills required of an antenna installer; and iii) the operator prefers the RET to be installed in-factory by the manufacturer thereof to avoid configuration errors. Therefore, despite the fact that the in-factory incorporation of these devices could initially represent a higher cost for the antenna than that of installing RETs only in the desired bandwidths, this may not be the case in the installation as
  • the requirements demanded by network operators for antennas with internal RET are: i) possibility of onsite replacement at an active site without need to uninstall the antenna; ii) possibility of manually configuring the tilt of each band by the antenna installer, who ideally should not need more tools than those required to install the antenna on the mast; iii) the tilt configuration must be visible at all times through a marker; and iv) it must be flexible in order to share sites among various mobile telephony network operators.
  • an independent mechanism must be included to control the beam of each of the bands, as well as providing the necessary mechanisms for ensuring the maximum independent control of the beam of each band in the event of sharing among various operators or various base stations.
  • the present invention describes a system for remotely controlling the radiation beams of multi-beam antennas, such that the internal system of the modular and scalable antenna comprises:
  • the modular bedplate set consists of a motor bedplate, a threaded spindle, a cart-nut, a fixation plate for fixing the threaded spindle, a first screw of the fixation plate, a pinion of the threaded spindle, a lock washer, end-of-travel quick rivets, an end-of-travel micro-switch, a tilt indicator plate, a push rod of the phase shifter and second fixation screws for fixing the rod/indicator plate.
  • the motor set is composed of a motor-reducer, an intermediate pinion, a second pinion of the motor-reducer shaft, a motor cover and third joining screws for joining the motor-reducer to the cover thereof.
  • the third joining screws for joining the motor-reducer to the motor cover make it possible to seal the motor set in its entirety to convert it into a replaceable block.
  • the rotation of the motor-reducer actuates a gear mechanism, transferring the motor shaft torque to the intermediate pinion and, in turn, to the first spindle pinion, transforming the circular movement of the motor-reducer into the linear movement required by the phase shifters by means of the spindle-nut mechanism mounted thereon.
  • the motor-reducer On establishing a distance between the motor shaft and spindle by means of an intermediate pinion, the motor-reducer can be removed or installed without releasing any pinion and without affecting the connected part of the phase shifters.
  • the spindle-nut set Upon removing the motor set, the spindle-nut set remains mounted with the tilt degree indicator plate and joined to the phase shifter push rod, allowing manual actuation on the projecting part of the spindle shaft, maintaining its functionality even without the motor installed.
  • the system includes one or more end-of-travel micro-switches which allow calibration of the motor-reducer, identifying its relative position with respect to the end-of-travel stop without forcing the spindle-nut set at the ends-of-travel thereof.
  • each removable cartridge is formed by a control interface module and a control block, whose modules may or may not be printed on the same printed circuit board. In a practical embodiment, they are built on two differentiated boards for greater flexibility, but they could also be built on a single board.
  • control interface module contains one or more control interfaces.
  • each control interface module is composed of an 8-way circular connector and an 8-way female circular connector, although any type and number of connectors may be adapted.
  • the control block is composed of an electronic control module, a feed control module and motor driver circuit control module.
  • the motor driver circuits are electrically connected to the motors through a connector that joins the housing set to the removable cartridge and, in turn, through the motor connectors.
  • the control block assigns any motor to any input interface, an ideal condition for shared antennas where there is no restriction on assigning to each operator the band it wishes to control.
  • control electronics module is in turn capable of managing the data flows it receives from each control entity in a completely independent manner.
  • the control electronics module interprets the commands it receives through each control interface and activates the control signals, activating the motor drivers.
  • the feed control electronics module receives the voltages stemming from each control interface and, after passing through lightning and surge protections, and after conveniently transforming them into the necessary values for the installed motors, attacks the motor drivers with voltages and currents and, likewise, the feed control module also provides the feed voltage to the control electronics module.
  • Each motor driver acts on each motor.
  • a motor block containing only the necessary connectors for connecting the different "motor sets" necessary for each antenna model is implemented on the printed circuit board present in the "housing set".
  • a cable extends from each motor block connector that is connected to each of the removable motors through the connector enabled for such purpose, wherethrough it is fed the necessary voltage and current to rotate the motor.
  • the present invention describes a system for controlling the radiation beams of a multi-beam antenna, which is internal, modular and scalable for mechanically/electronically controlling the beam of a mobile telephony multi-beam antenna.
  • the system comprises two basic parts: a mechanism that transmits the linear movement required by the phase shifters and electronic control means that govern the aforementioned mechanism.
  • the electronic control means are identified by the letter “A” and the mechanical means by the letter “B”, such that figure 6b details the electronic system composed of a “housing set” (III) mounted in all cases on the antenna and which houses a connector whereto a “removable cartridge” (IV) is connected wherever necessary.
  • figure 1d shows that the mechanical system is formed by a "modular bedplate set” (I) that is anchored to the antenna frame and which may or may not contain, depending on the model chosen, a “motor set” (II) secured by fourth screws (1).
  • Both sets are interconnected by means of cables which allow the easy connection and disconnection thereof when replacing the motors.
  • Figure 3b shows the components of the motor set (II), defined by the motor-reducer (14), the intermediate pinion (15), a second pinion (16) of the motor-reducer shaft (14), a cover (17) of the motor-reducer and third joining screws (18) that join the motor-reducer (14) to its cover (17).
  • Said third screws (18) upon introducing the intermediate pinion (15) and second pinion (16) of the motor-reducer shaft (14) in their housing of the cover (17) of the motor-reducer and motor-reducer shaft, make it possible to seal this subset so as to convert it into a single replaceable block.
  • Figure 2b details the assembly of the modular bedplate set (I), which is composed of the motor-reducer (14) bedplate (2), a threaded spindle (3), a cart-nut (4), a fixation plate (5) for fixing the threaded spindle (3), a first screw (6) of the fixation plate (5), a first pinion (7) of the threaded spindle (3), a lock washer (8), end-of-travel quick riveting (9), an end-of-travel micro-switch (10), a tilt indicator plate (11), a push rod (12) of the phase shifter and third fixation screws (13) for fixing the rod/indicator plate.
  • this modular bedplate subset (I) is basically a mechanism for transforming the circular motor-reducer (14) movement into the linear movement required by the phase shifters of the antenna. This transformation is performed by means of the spindle-nut (4) mechanism mounted thereon, but other enhancements provided by the present invention are added to this function.
  • the cart-nut (4) Upon removing the motor set, the cart-nut (4), with its respective tilt indicator plate (11) and joined to the push rod (12) of the phase shifters, will remain mounted, allowing manual actuation on the projecting part of the hexagonal shaft of the threaded spindle (3) (using a common socket wrench), maintaining its functionality even without the motor-reducer (14) installed.
  • Another important characteristic of this system is that it includes an end-of-travel micro-switch (10), which allows the calibration of the motor-reducer (14), identifying its position without forcing the spindle-nut assembly at the ends-of-travel thereof.
  • Figure 4 shows that this modular mechanical system allows the installation of various units per antenna in a very small space and completely independent in order to repair, manually actuate or even not install any of them without affecting the rest of the system.
  • Figure 5 shows how said mechanical system is accessed in the interior of the antenna through an opening in the general cover, which can be sealed by its corresponding additional small cover.
  • the electronic system or control electronics represented in figure 7 is composed of three differentiated blocks which in practice are implemented on three printed circuit boards for the purpose of flexibility and modularity: the control interface block (100), the control block (110) and the motor block (120).
  • said figure 7 shows a block diagram of the electronics associated to the multi-band internal RET, composed of a control interface module (100), a control module (110) and the motor connection module (120).
  • the control interface module is constituted by 25 or more interfaces (20 i ).
  • the control module (110) contains the control electronics module (25), the feed control module (26) and the motor drivers (27 i ).
  • the control electronics (25) are in charge of managing communications with each and every one of the control interfaces (20 i ), fulfilling the communication protocol of each, and of generating the relevant control signals towards the motor drivers (27 i ) in accordance with the commands received.
  • the feed control (26) is in charge of generating the feed voltage (27) of the control electronics module (25) and power supplies to the motor drivers (27 i ).
  • the motor drivers (27 i ) are in charge of activating the relevant signals for initiating the rotation of the motors (28 i ) in the adequate direction or ordering them to brake and stop, in accordance with the indications received from the control electronics
  • the control interface block (100) contains the necessary connectors to connect to the control entities.
  • the control entities are usually mobile telephony base stations, although it is not limited to these. Any other system having the appropriate software to send beam-shaping commands can also act as a control entity.
  • the control interfaces (20) are composed of connectors wherethrough feed voltage and control data are supplied to the electronic module of the RET.
  • control interfaces (20) are most commonly composed of two 8-way circular connectors pursuant to standard IEC 60130-9, in accordance with standardisation group AISG in its versions 1.1 and 2.0, and as drawn in figure 6a .
  • this invention is not limited to this type of connectors and to the pinout defined in these recommendations, but rather is open to any type of connector and physical level.
  • each interface has a male input connector and a female output connector for the cascaded connection of various ALDs ( Antenna Line Devices )
  • the control interface block is in charge of taking the signals from one connector to another to implement the bus in cascaded connection, rendering the other modules independent from this functionality.
  • this simple functionality can also be performed by means of other simple means and is not limited to being implemented in the control interface plate.
  • the control block (110) is composed of a control electronics module (25), a control module for controlling feeds (26) and motor driver circuits (27 i ).
  • the control block is basically in charge of:
  • control block (110) offers total flexibility to assign any motor (28) to any input interface (20), an ideal condition for shared antennas (site sharing), where there is no restriction on assigning to each operator the band it wishes to occupy.
  • Figure 8 shows a practical example of the use of the internal RET object of this invention.
  • the antenna is composed of six different radiation systems (30 i ), wherein each radiation system is composed of a phase shifter whose movement is caused by a motor connected to its corresponding connector (28 i ).
  • this antenna is controlled by three independent control entities (20 j ).
  • Control entity 20 1 controls bands 30 1 , 30 3 and 30 6
  • control entity 20 2 controls bands 30 4 and 30 5
  • control entity 20 3 controls band 30 2 .
  • the control electronics module (25) is capable of simultaneously managing the data flows received from each control entity (21 i ) in a completely independent manner. Similarly, if communication with one of the control entities fails for any reason, the others would not be affected and would continue functioning normally.
  • the control electronics module (25) interprets the commands it receives through each control interface (20 i ) and activates the control signals (23 i ), activating the motor drivers (27 i .).
  • the specifications of AISG 1.1/AISG 2.0 and recommendations of the 3GPP that define both the physical, link and application levels are widely extended, ensuring interaction between the control entities and the RET devices of any manufacturer.
  • the aforementioned standards have been implemented in the real materialisation of this invention, achieving excellent results.
  • the feed control module (26) receives the voltages stemming from each control interface and, after passing through the lightning and surge protections, and after conveniently transforming them into the necessary values for the motors installed, attacks the motor drivers (27 i ) with the voltages and currents (24 i ).
  • the feed control module (26) also supplies the feed voltage to the control electronics module (25).
  • Each motor driver (27 i ) has the possibility of acting upon each motor (28 j ). It is the software configuration that assigns the driver (27) that will be controlling each motor (28) at a given time, such that there cannot be collisions between signals (29 ij ) and only one driver (27) will control a certain motor (28).
  • the motor block (120) is composed of the same number of connectors (19b) as antenna bands.
  • a cable extends from each motor block connector (19b) that is connected to one of the removable motors through the connector enabled for such purpose (19a), wherethrough the necessary voltage and current for the rotation of the motor are provided.
  • the motor sensor signal indicating the state thereof and its relative position with respect to the end-of-travel micro-switch (10) is also present in this connector.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
EP15190172.5A 2015-06-02 2015-10-16 System zur fernsteuerung der strahlen aus multistrahlantennen Active EP3101729B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES201530770A ES2542314B1 (es) 2015-06-02 2015-06-02 Sistema para el control remoto de los haces de radiación de antenas multi-haz

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EP3101729A1 true EP3101729A1 (de) 2016-12-07
EP3101729B1 EP3101729B1 (de) 2018-08-29

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107371350A (zh) * 2017-07-20 2017-11-21 江苏亨鑫科技有限公司 内置可插拔rcu机构
CN110462928A (zh) * 2017-03-17 2019-11-15 康普技术有限责任公司 用于具有远程电子倾斜能力的基站天线的电流浪涌保护电路和相关方法
WO2022108355A1 (ko) * 2020-11-19 2022-05-27 주식회사 에이스테크놀로지 Ret 모듈과 바이어스티 모듈 및 이를 포함하는 기지국 안테나

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106229684B (zh) * 2016-08-29 2023-08-08 广东通宇通讯股份有限公司 一种天线传动装置及天线
CN106207466B (zh) * 2016-08-30 2023-02-21 中山市通宇通信技术有限公司 天线传动系统及基站天线

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US20080316133A1 (en) * 2006-12-19 2008-12-25 Ramon Guixa Arderiu Remote Control Device for Controlling the Angle of Inclination of the Radiation Diagram on an Antenna
US20100201591A1 (en) * 2009-02-11 2010-08-12 Gregory Girard Multi-beam antenna with multi-device control unit
US8860334B2 (en) * 2011-06-07 2014-10-14 Huawei Technologies Co., Ltd. Device for remotely controlling multi-band antenna and multi-band antenna system

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MX2010008830A (es) * 2008-02-11 2010-12-20 Amphenol Corp Antena de multi-haz con unidad de control de multi-dispositivo.
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US20080316133A1 (en) * 2006-12-19 2008-12-25 Ramon Guixa Arderiu Remote Control Device for Controlling the Angle of Inclination of the Radiation Diagram on an Antenna
US20100201591A1 (en) * 2009-02-11 2010-08-12 Gregory Girard Multi-beam antenna with multi-device control unit
US8860334B2 (en) * 2011-06-07 2014-10-14 Huawei Technologies Co., Ltd. Device for remotely controlling multi-band antenna and multi-band antenna system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110462928A (zh) * 2017-03-17 2019-11-15 康普技术有限责任公司 用于具有远程电子倾斜能力的基站天线的电流浪涌保护电路和相关方法
EP3596777A4 (de) * 2017-03-17 2020-12-16 Commscope Technologies LLC Stromüberspannungsschutzschaltungen für basisstationsantennen mit entfernter elektronischer neigungsfähigkeit und zugehörige verfahren
US11201401B2 (en) 2017-03-17 2021-12-14 Commscope Technologies Llc Current surge protection circuits for base station antennas having remote electronic tilt capability and related methods
CN110462928B (zh) * 2017-03-17 2021-12-14 康普技术有限责任公司 用于具有远程电子倾斜能力的基站天线的电流浪涌保护电路和相关方法
CN107371350A (zh) * 2017-07-20 2017-11-21 江苏亨鑫科技有限公司 内置可插拔rcu机构
WO2022108355A1 (ko) * 2020-11-19 2022-05-27 주식회사 에이스테크놀로지 Ret 모듈과 바이어스티 모듈 및 이를 포함하는 기지국 안테나

Also Published As

Publication number Publication date
ES2542314B1 (es) 2016-05-13
ES2694549T3 (es) 2018-12-21
EP3101729B1 (de) 2018-08-29
ES2542314A1 (es) 2015-08-04

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