CN101707271A - Equiphase differential multiplexed phase shifter - Google Patents
Equiphase differential multiplexed phase shifter Download PDFInfo
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- CN101707271A CN101707271A CN200810220544A CN200810220544A CN101707271A CN 101707271 A CN101707271 A CN 101707271A CN 200810220544 A CN200810220544 A CN 200810220544A CN 200810220544 A CN200810220544 A CN 200810220544A CN 101707271 A CN101707271 A CN 101707271A
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Abstract
The invention discloses an equiphase differential multiplexed phase shifter comprising a plurality of phase shifter subunits, a plurality of power divider subunits, a metallic reflector plate, a sliding device and a positioning device for limiting the sliding stroke. The phase shifter subunits are serially connected with a main circuit of the power divider subunits and consist of fixed transmission lines which are fixed microstrip transmission lines or fixed transmission lines of strip lines and slidable transmission lines which are sliding transmission lines of microstrip lines or sliding transmission lines of the strip lines relative to the fixed transmission lines, and the fixed transmission lines and the slidable transmission lines are mutually coupled through electric signals; a plurality of slidable transmission lines are fixedly connected together and the synchronous movement of the slidable transmission lines can be ensured through the sliding device. The equiphase differential multiplexed phase shifter has the advantages that since the phase shifter and a power dividing network are comprehensively designed, the integrated degree is high; an insulated medium or air microstrip line or strip line structure is relatively simple and easy to assemble and realize in the engineering; and the equiphase differential multiplexed phase shifter is especially suitable for application on multi-array electric modulation intelligent antennae.
Description
[technical field]
The present invention relates to moving communicating field, specifically refer to a kind of mobile communication base station electrical tilt antenna phase shifter.
[technical background]
Mobile communication system is wired and wireless combination, it be the mobile network in its coverage, travelling carriage and base station are connected by air interface (antenna) and and then the complex that interrelates with mobile switch, therefore, antenna is for mobile communications network, very important effect is arranged, if it is improper that the selection of antenna (type, position) parameter bad or antenna is provided with, all can directly influence the running quality of whole mobile communications network.Especially many at base station number, stop spacing is little, the high traffic area that carrier frequency quantity is many, add because radio wave multipath reflection that surrounding environment influence caused and blocking, make that area covered in the communication network, Pilot Interference and multipath effect are serious day by day, simultaneously also make coverage rate call completing rate and the whole network service quality all have a significant impact, the introducing of electrical tilt antenna, can be suitable address this problem.The principle of electrical tilt is by changing the phase place of conllinear array antenna oscillator, change the amplitude size of vertical component and horizontal component, changing synthetic component field intensity intensity, thereby the vertical directivity pattern of antenna is had a down dip.Because the field intensity intensity of antenna all directions increases simultaneously and reduces, guarantee changing inclination angle aft antenna directional diagram variation not quite, the main lobe direction coverage distance is shortened, and the while makes whole directional pattern reduce area coverage again in the Serving cell sector but does not produce interference.Therefore, electrical tilt antenna can be controlled the overlay area of base station effectively, reduces the phase mutual interference between the base station.
Phase shifter is the core component of electrical tilt antenna, disclosed before this a kind of phase shifter (Chinese patent application number: 200520065549.5), it comprises metal shell, two metallic conductor pipes about in metal shell, being equipped with, be connected with cable on the conductor tube respectively, at the embedded U type metal bar that is with of described conductor tube, change the physical length of transmission path by the moving metal rod, realize the phase change of signal.But this phase shifter is because the restriction of self structure, be difficult to a plurality of such phase shifters compound be one, integrated level is not high, product is difficult to sizable application and production.
[summary of the invention]
The invention discloses a kind of Equiphase differential multiplexed phase shifter, the purpose of invention is to propose a kind of integrated degree height, and structure is simple relatively, the Equiphase differential multiplexed phase shifter that assembles and realize easily on the engineering.
Equiphase differential multiplexed phase shifter of the present invention comprises several phase shifter subelements, several power divider subelements, metallic reflection plate, carriage and is used for the positioner that slip to carriage positions, the main road of phase shifter subelement and power division subelement is connected in series, the phase shifter subelement by fixed transmission lines promptly fixedly microstrip transmission line or fixedly promptly slide microstrip transmission lines or slip strip line transmission line two parts of the slidably transmission line of strip line transmission line and relative fixed transmission line form, the signal of telecommunication each other intercouples; Carriage with several slidably transmission line be connected and fixed and guarantee its same moved further.
Above-mentioned Equiphase differential multiplexed phase shifter is characterized in that: the filling base material that constitutes microstrip line or strip line can be the common PCB dielectric material of low-loss microwave dielectric material (comprising air) or FR4 and so on.
Above-mentioned Equiphase differential multiplexed phase shifter, it is characterized in that: separate by the meagre medium of thickness between described fixed transmission lines and the slip transmission line, coupled electrical signal each other, and by changing the physical length that its relative position changes transmission line, and then reach the purpose that changes electrical signal phase.
Above-mentioned Equiphase differential multiplexed phase shifter is characterized in that: described fixed transmission lines is a pair of open circuit minor matters, and described slip transmission line is a U font, so that make signal form the loop.
Above-mentioned Equiphase differential multiplexed phase shifter is characterized in that: it is all identical that described several phase shifter move the unit, so that constitute equal difference phase change successively; Described power divider subelement can be identical or respectively not inequality, and specific design depends on desired signal output intensity; The fixed transmission lines part that described phase shifter moves the unit is positioned at same plane with the power divider subelement, alternately is connected in series each other.
Above-mentioned Equiphase differential multiplexed phase shifter is characterized in that: the slip transmission line portions of each phase shifter subelement is fixed with corresponding carriage, and each carriage is connected in series by pull bar again, thereby realizes same moved further.
Above-mentioned Equiphase differential multiplexed phase shifter is characterized in that: positioner is the stroke chute of the limit slippage transmission line sliding scale that is provided with on the dielectric substrate of fixed transmission lines and is arranged on the leading post that is used for inserting chute on the elastic press that respectively insulate.
The invention has the advantages that: phase shifter and power distributing network comprehensive Design, integrated degree height, dielectric or air microstrip line or belt shape line structure, structure is simple relatively, and assembling and realization easily on the engineering especially is fit to many arrays electric regulating intelligent antenna and uses.
[description of drawings]
One of STRUCTURE DECOMPOSITION schematic diagram when Fig. 1 is microstrip line construction for Equiphase differential multiplexed phase shifter of the present invention;
STRUCTURE DECOMPOSITION schematic diagram two when Fig. 2 is microstrip line construction for Equiphase differential multiplexed phase shifter of the present invention;
Three of STRUCTURE DECOMPOSITION schematic diagram when Fig. 3 is microstrip line construction for Equiphase differential multiplexed phase shifter of the present invention;
Structure cutaway view when Fig. 4 is microstrip line construction for Equiphase differential multiplexed phase shifter of the present invention
Fig. 5 is the slip transmission line schematic perspective view of one of Equiphase differential multiplexed phase shifter assembly of the present invention;
Fig. 6 is for to be used for dual polarization electrical tilt antenna battle array feed schematic diagram according to Equiphase differential multiplexed phase shifter of the present invention.
[embodiment]
See also Fig. 1 to Fig. 5, the embodiment of the invention is the Equiphase differential multiplexed phase shifter that is made of four phase shifter subelements.Dielectric substrate 15 is flat on down on the reflecting plate 02, substrate 15 positive one deck electric conductivity metal materials good, that certain regular shape is arranged that cover, as copper, aluminium etc., its thickness is decided on the initial specific requirement of designer, general do not wait about 0.03mm～2mm greatly.This metal material comprises power divider subelement 04 and fixed transmission lines 05,06, is distributed on the medium substrate 15 according to certain regular shape, vertically symmetrical fully, such as 05a, 06a and 05a ', 06a '.The main road of phase shifter subelement and power division subelement is connected in series, and constitutes the phase shift power division network jointly.
In fixed transmission lines 05, be placed with slip transmission line 03 on 06, this slip transmission line 03 adopts microstrip line or strip lines configuration, the etching shape metallic conductor band 18 that takes the shape of the letter U on a dielectric substrate, .U shape metallic conductor band 18 and fixed transmission lines 05 as shown in Figure 5,06 open circuit minor matters conduction band surface all scribbles the insulating material such as low-friction coefficients such as polytetrafluoroethylene. and slip transmission line 03 is installed on the carriage 22, as Fig. 2, shown in 3, this carriage 22 is installed in insulation elastic press 14a on the pull bar 17 by several, 14b, 14c and 14d form, slip transmission line 03 moves with carriage 22, each elastic press 14 that insulate is provided with leading post 23. all four groups of slip transmission line 03a, 03b, 03c and 03d are separately fixed at four groups of corresponding elastic press 14a, 14b, on 14c and the 14d, said apparatus is fixed on the following reflecting plate 02, for microstrip transmission line, 01 shielding action of last reflecting plate, and be last ground plate 01. concerning strip line
U-shaped conduction band and fixed transmission lines 05,06 conduction band pass through capacitive coupling on the slip transmission line 03, make fixed transmission lines open circuit minor matters form the closed-loop path, slip transmission line 03 is in its effective moving range, and phase shifter presents good frequency bandwidth characteristics, thereby finishes effective transmission of signal.
When pull bar 17 stressed when mobile, slip transmission line 03 and carriage 22 same moved further, the slip transmission line 03 by changing each phase shifter subelement and the relative position of fixed transmission lines 05,06 change the physical length of transmission line, and then reach the purpose that changes electrical signal phase.
Signal is 07 or 07 ' when input from the input port, 08,09,11,12 or 08 ', 09 ', 11 ', 12 ' all signal output is arranged, and input port power equals all delivery outlet power sums (not considering to insert loss), when slip transmission line 03 moved right, variable anticipating signal of delivery outlet 09 (09 ') and delivery outlet 11 (11 ') variable delay signal variable quantity equated.Identical, variable anticipating signal of delivery outlet 08 (08 ') and delivery outlet 12 (12 ') variable delay signal phase changing capacity also equate.Delivery outlet 09 (09 '), delivery outlet 11 (11 ') signal phase change amount are compared with delivery outlet 08 (08 '), delivery outlet 12 (12 '), and its variable quantity becomes the twice relation all the time.
Fig. 6 is the Principle of Antenna figure that comprises this Equiphase differential multiplexed phase shifter, be made up of 5 basic antenna elements and 4 groups of phase shifter subelements, 19a, 19b, 19c, 19d and 19e are that five dipole antennas are arranged in a linear array (only providing the single-polarized antenna unit for simplicity among the figure) in vertical direction.21a, 21b and 21c are respectively the power splitter with certain power division relation, phase shifter 20 is controlled the remaining element of dipole 19 corresponding except that 19C respectively, when the fixed transmission lines of phase shifter 20 and slip transmission line relative position relation change, the phase of input signals of corresponding dipole 19 and then changes, thereby reaches the purpose of antenna beam electrical down-tilting.
Embodiment is a better embodiment of the present invention as mentioned above; be not to be used for limiting practical range of the present invention; allly anyly do not deviate from that the equalization that principle of the present invention does changes, combination, substitute etc., all belong within the claim of the present invention scope required for protection.
Claims (10)
1. Equiphase differential multiplexed phase shifter, the positioner that comprises several phase shifter subelements, several power divider subelements, metallic reflection plate, carriage and limit slippage stroke, the main road of phase shifter subelement and power division subelement is connected in series, the phase shifter subelement by fixed transmission lines promptly fixedly microstrip transmission line or fixedly promptly slide microstrip transmission lines or slip strip line transmission line two parts of the slidably transmission line of strip line transmission line and relative fixed transmission line form, the signal of telecommunication each other intercouples; Carriage with several slidably transmission line be connected and fixed and guarantee its same moved further.
2. Equiphase differential multiplexed phase shifter according to claim 1 is characterized in that: the packing material that constitutes microstrip line or strip line can be the common PCB dielectric material of low-loss microwave dielectric material or FR4 and so on.
3. Equiphase differential multiplexed phase shifter according to claim 1 and 2, it is characterized in that: separate by the meagre dielectric material of thickness between described fixed transmission lines and the slip transmission line, coupled electrical signal each other, and by changing the physical length that its relative position changes transmission line, and then reach the purpose that changes electrical signal phase.
4. Equiphase differential multiplexed phase shifter according to claim 1 and 2 is characterized in that: described fixed transmission lines is a pair of open circuit minor matters, and described slip transmission line is a U font, so that make signal form the loop.
5. Equiphase differential multiplexed phase shifter according to claim 1 and 2 is characterized in that: it is all identical that described several phase shifter move the unit, so that constitute equal difference phase change successively; Described power divider subelement can be identical or has nothing in common with each other, and specific design depends on desired signal output intensity; The fixed transmission lines part that described phase shifter moves the unit is positioned at same plane with the power divider subelement, alternately is connected in series each other.
6. Equiphase differential multiplexed phase shifter according to claim 1 and 2, it is characterized in that: described several phase shifter subelements and several power divider subelements constitute the phase shift power division network jointly, and the subelement quantity that the phase shift power division network is comprised is unrestricted.
7. Equiphase differential multiplexed phase shifter according to claim 6, it is characterized in that: the phase shift power division network that coplane repeats to be set up in parallel can be used for the dual polarization electricity and transfers the array antenna feed, this moment can integrated design and realization, and its slip transmission line conduction band body is etched on the same media substrate.
8. Equiphase differential multiplexed phase shifter according to claim 1, it is characterized in that: carriage (22) is made up of pull bar (17) and several insulation elastic press (14a, 14b, 14c and 14d) two parts, slip transmission line (03a, 03b, 03c and 03d) is separately fixed on the corresponding insulation elastic press (14a, 14b, 14c and 14d), and several insulation elastic press are fixed on the pull bar on request again.
9. according to claim 1 or 8 described Equiphase differential multiplexed phase shifters, it is characterized in that: positioner is that the dielectric substrate (15) of fixed transmission lines is gone up the stroke chute of the limit slippage transmission line sliding scale that is provided with and is arranged on the leading post (23) that is used for inserting chute on the elastic press that respectively insulate.
10. Equiphase differential multiplexed phase shifter according to claim 1, it is characterized in that: described metallic reflection plate divides goes up reflecting plate and following reflecting plate (01,02) two parts, between the metallic reflection plate, they constituted transmission line jointly about the conductor belt part of fixed transmission lines was fixed in by medium.
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| CN2008102205443A CN101707271B (en) | 2008-12-24 | 2008-12-24 | Equiphase differential multiplexed phase shifter |
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| CN2008102205443A CN101707271B (en) | 2008-12-24 | 2008-12-24 | Equiphase differential multiplexed phase shifter |
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| CN101707271A true CN101707271A (en) | 2010-05-12 |
| CN101707271B CN101707271B (en) | 2012-01-25 |
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Cited By (24)
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| CN102082327A (en) * | 2010-11-25 | 2011-06-01 | 广东通宇通讯股份有限公司 | Integrated phase shifter feeding network |
| CN102354775A (en) * | 2011-08-22 | 2012-02-15 | 广东通宇通讯股份有限公司 | Phase shifting device |
| CN102377024A (en) * | 2010-08-06 | 2012-03-14 | 东莞市晖速天线技术有限公司 | High-downdip electrically controlled base station antenna |
| CN102570031A (en) * | 2011-10-26 | 2012-07-11 | 摩比天线技术（深圳）有限公司 | Dual-polarized electricity tuning directional base station antenna and communication base station |
| CN102832439A (en) * | 2012-09-07 | 2012-12-19 | 苏州市大富通信技术有限公司 | Antenna |
| CN103560319A (en) * | 2012-12-17 | 2014-02-05 | 广东博纬通信科技有限公司 | Phase-shifting unit module, manufacturing method thereof, phase-shifting device and antenna |
| WO2014094202A1 (en) * | 2012-12-17 | 2014-06-26 | 广东博纬通信科技有限公司 | Equiphase differential beamforming apparatus |
| CN104183890A (en) * | 2014-08-04 | 2014-12-03 | 京信通信技术(广州)有限公司 | Phase shift unit |
| CN104979604A (en) * | 2014-04-11 | 2015-10-14 | 深圳国人通信股份有限公司 | Phase shifter of electrically tunable antenna |
| CN105244628A (en) * | 2014-11-11 | 2016-01-13 | 李梓萌 | Reflective plate for base station antenna and base station antenna array structure |
| CN105322251A (en) * | 2014-07-14 | 2016-02-10 | 日立金属株式会社 | Phase shifter and antenna device having same |
| EP2919318A4 (en) * | 2013-12-02 | 2016-03-09 | Tongyu Comm Inc | Base station antenna feed network |
| WO2016037549A1 (en) * | 2014-09-09 | 2016-03-17 | 华为技术有限公司 | Phase shifter |
| WO2016074592A1 (en) * | 2014-11-11 | 2016-05-19 | 李梓萌 | Adjustable phase shifting device for array antenna and antenna |
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| CN105826684A (en) * | 2015-01-05 | 2016-08-03 | 安弗施无线射频系统（上海）有限公司 | Phase shifting device and electrically tuned antenna |
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| CN106981706A (en) * | 2017-04-28 | 2017-07-25 | 广州司南天线设计研究所有限公司 | A kind of space multistory phase shifter of antenna for base station |
| CN107331968A (en) * | 2016-04-28 | 2017-11-07 | 罗森伯格技术（昆山）有限公司 | A kind of device and method for controlling aerial signal frequency range to switch |
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| WO2023172057A1 (en) * | 2022-03-10 | 2023-09-14 | 주식회사 케이엠더블유 | Full analog phase shifter |
| WO2024020792A1 (en) * | 2022-07-26 | 2024-02-01 | 京东方科技集团股份有限公司 | Tunable phase shifter and electronic device |
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| US6310585B1 (en) * | 1999-09-29 | 2001-10-30 | Radio Frequency Systems, Inc. | Isolation improvement mechanism for dual polarization scanning antennas |
| JP2001237605A (en) * | 2000-02-23 | 2001-08-31 | Mitsubishi Electric Corp | Phase shifter |
| AU2003201269A1 (en) * | 2002-01-24 | 2003-09-02 | Huber + Suhner Ag | Phase-shifting system and antenna field comprising such a phase-shifting system |
| JP4341699B2 (en) * | 2007-05-31 | 2009-10-07 | 日立電線株式会社 | Phase shifter |
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| CN102377024A (en) * | 2010-08-06 | 2012-03-14 | 东莞市晖速天线技术有限公司 | High-downdip electrically controlled base station antenna |
| CN102082327B (en) * | 2010-11-25 | 2014-07-16 | 广东通宇通讯股份有限公司 | Integrated phase shifter feeding network |
| CN102082327A (en) * | 2010-11-25 | 2011-06-01 | 广东通宇通讯股份有限公司 | Integrated phase shifter feeding network |
| CN102354775A (en) * | 2011-08-22 | 2012-02-15 | 广东通宇通讯股份有限公司 | Phase shifting device |
| US9456514B2 (en) | 2011-08-22 | 2016-09-27 | Tongyu Communication, Inc. | Phase shifting device |
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| CN103493287B (en) * | 2011-08-22 | 2016-11-02 | 广东通宇通讯股份有限公司 | Phase shifting equipment |
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| CN102832439A (en) * | 2012-09-07 | 2012-12-19 | 苏州市大富通信技术有限公司 | Antenna |
| CN102832439B (en) * | 2012-09-07 | 2014-10-01 | 苏州市大富通信技术有限公司 | Antenna |
| WO2014094202A1 (en) * | 2012-12-17 | 2014-06-26 | 广东博纬通信科技有限公司 | Equiphase differential beamforming apparatus |
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| WO2016037549A1 (en) * | 2014-09-09 | 2016-03-17 | 华为技术有限公司 | Phase shifter |
| RU2650416C9 (en) * | 2014-11-11 | 2018-07-02 | Зи-Менг ЛИ | Antenna and antenna array with adjustable phase rotators |
| WO2016074592A1 (en) * | 2014-11-11 | 2016-05-19 | 李梓萌 | Adjustable phase shifting device for array antenna and antenna |
| RU2650416C1 (en) * | 2014-11-11 | 2018-04-13 | Зи-Менг ЛИ | Antenna and antenna array with adjustable phase rotators |
| CN105244628A (en) * | 2014-11-11 | 2016-01-13 | 李梓萌 | Reflective plate for base station antenna and base station antenna array structure |
| CN105826684A (en) * | 2015-01-05 | 2016-08-03 | 安弗施无线射频系统（上海）有限公司 | Phase shifting device and electrically tuned antenna |
| US10411346B2 (en) | 2015-01-05 | 2019-09-10 | Nokia Shanghai Bell Co., Ltd. | Phase shifting apparatus and electrically adjustable antenna |
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| CN105742828A (en) * | 2016-03-31 | 2016-07-06 | 广东通宇通讯股份有限公司 | Dual-polarization three-beam antenna and feed network device thereof |
| CN107331968A (en) * | 2016-04-28 | 2017-11-07 | 罗森伯格技术（昆山）有限公司 | A kind of device and method for controlling aerial signal frequency range to switch |
| CN107331968B (en) * | 2016-04-28 | 2024-01-26 | 普罗斯通信技术（苏州）有限公司 | Device and method for controlling switching of antenna signal frequency bands |
| CN106450764A (en) * | 2016-10-20 | 2017-02-22 | 深圳国人通信股份有限公司 | Antenna phase shifter |
| CN106981706A (en) * | 2017-04-28 | 2017-07-25 | 广州司南天线设计研究所有限公司 | A kind of space multistory phase shifter of antenna for base station |
| CN106981706B (en) * | 2017-04-28 | 2022-07-22 | 广州司南技术有限公司 | Spatial stereo phase shifter and phase shifter assembly of base station antenna |
| CN111381110A (en) * | 2018-12-29 | 2020-07-07 | 京信通信技术(广州)有限公司 | TD-LTE antenna synthetic beam testing device |
| CN113410593A (en) * | 2021-06-11 | 2021-09-17 | 京信通信技术(广州)有限公司 | Power distribution network, phase shifting device and antenna |
| WO2023071839A1 (en) * | 2021-10-27 | 2023-05-04 | 华为技术有限公司 | Feed circuit, antenna device, communication device, and communication system |
| WO2023172057A1 (en) * | 2022-03-10 | 2023-09-14 | 주식회사 케이엠더블유 | Full analog phase shifter |
| WO2024020792A1 (en) * | 2022-07-26 | 2024-02-01 | 京东方科技集团股份有限公司 | Tunable phase shifter and electronic device |
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