CN106450764A - Antenna phase shifter - Google Patents
Antenna phase shifter Download PDFInfo
- Publication number
- CN106450764A CN106450764A CN201610915530.8A CN201610915530A CN106450764A CN 106450764 A CN106450764 A CN 106450764A CN 201610915530 A CN201610915530 A CN 201610915530A CN 106450764 A CN106450764 A CN 106450764A
- Authority
- CN
- China
- Prior art keywords
- support block
- connector
- pcb
- fixing briquetting
- antenna
- 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.)
- Pending
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Classifications
-
- 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
- H01Q3/34—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 electrical means
-
- 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
- H01Q3/34—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 electrical means
- H01Q3/36—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 electrical means with variable phase-shifters
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention relates to an antenna phase shifter. The antenna phase shifter comprises a base plate, a PCB (printed circuit board) mounted on the base plate and at least one phase shifting unit arranged on the PCB, wherein the phase shifting unit comprises a fixed pressing block mounted on the base plate, a sliding component arranged on the fixed pressing block and a plurality of sliding medium block groups fixed on the sliding component; the plurality of sliding medium block groups are located at the bottom end of the fixed pressing block and are in close contact with the PCB; the sliding component can slide on the fixed pressing block and can drive the plurality of sliding medium block groups to slide on the PCB. The antenna phase shifter is simple in structure and small in size; the upper side-lobe radiation can be inhibited; the signal coverage efficiency is improved.
Description
【Technical field】
The present invention relates to antenna of mobile communication base station field, relates particularly to a kind of phase shifter of electric tuning antenna of base station.
【Background technology】
In present mobile communication network, in order to improve message capacity and the communication quality of system, base station site is increasingly
Many, cell coverage area is also less and less.This brings many problems simultaneously, and such as co-channel interference, area covered, covering is overlapped
Region is big, cutting off rate is high, soft switching ratio is high etc..In order to effectively improve these problems, the gapless uniform fold of signal and subtract
Interfering between little base station becomes the major issue of common carrier consideration, and this is accomplished by us and is had a down dip by adjusting antenna beam
Angle and azimuth are reasonably arranging the antenna pattern characteristic of antenna.
Existing antenna beam angle of declination adjustment technology includes mechanical tilt and electrical down-tilting.Both has a down dip mode to antenna
The change of elevation radiation patytern is also to be not quite similar.Particularly, with the increase of angle of declination, two ways all just can make wave beam
The signal level in front synchronously declines, but the signal level in maximum beam position ± 60 ° both sides declines mode difference.Machinery
The signal level of the mode that has a down dip synchronously will not decline, and edge angular domain level fall is little, and the interference to adjacent sectors increases；And
It is all synchronous decline in each angular range that electricity adjusts the signal level of the mode that has a down dip, so while coverage reduces, but covers
Angular domain is constant, will not bring additional interference.
Electrical tilt antenna is the antenna for base station for adjusting downwards bevel beam angle using electronic method.For taking into account co-channel interference and little
Area covers, it will usually make wave beam forming to the elevation radiation patytern of antenna.The method for realizing wave beam forming is to optimize and revise each
The feed amplitude distribution of radiating element and PHASE DISTRIBUTION.Phase shifter exactly realizes the critical component of this function.We can be from
Array antenna electricity is adjusted the principle for scanning to explain the important function of phase shifter.For base station distribution than comparatively dense area, a side
Face requires to reduce honeycomb because message capacity is big, on the other hand because building is blocked and multipath reflection, it is difficult to realizes big distance and covers,
Series of problems annoyings three big mobile operator always, while also having contained the development in an all-round way of wireless communication system network.Will
Want to solve the figuration ability that these problems are necessary for improving antenna, side lobe radiation in suppression, promotion signal covering efficiency.
【Content of the invention】
It is an object of the invention to overcoming the shortcomings of above-mentioned technology, one kind being provided and can suppress upper side lobe radiation, lifting letter
Number cover efficiency antenna phasing unit.
A kind of antenna phasing unit that the present invention is provided, including backing plate, is installed to the PCB of backing plate and is arranged on PCB
At least one phase-shifting unit on circuit board, the phase-shifting unit includes to be installed to the fixing briquetting of the backing plate, is arranged on admittedly
Slide assemblies on level pressure block and multiple slip medium block groups of slide assemblies are fixed to, the plurality of slip medium block group is located at
The bottom of the fixing briquetting is simultaneously in close contact with the PCB；The slide assemblies can be slided on the fixing briquetting
Move and drive the plurality of slip medium block group to slide in the PCB.
Further, each described slip medium block group includes two slip medium blocks, described two slip medium block edges
The glide direction of the slide assemblies is spaced and is respectively fixed to the slide assemblies.
Further, the slide assemblies include to be arranged on the pull bar on the fixing briquetting top and are arranged on the fixation
Multiple support block groups of briquetting bottom, the plurality of support block group is corresponding with the plurality of slip medium block group respectively and is fixed to
The pull bar, the pull bar can slide on the fixing briquetting and drive the plurality of support block group sliding on fixing briquetting
Dynamic；Each described support block group includes spaced two support blocks of glide direction along the slide assemblies, described in each
Slip medium block corresponds to a support block and is fixed to the bottom of the corresponding support block.
Further, the top of the support block is provided with the first connector, and the pull bar is provided with and first connector
Corresponding first through hole, the fixing briquetting is provided with first gathering sill corresponding with the support block, and first connector is worn
Cross first gathering sill to coordinate with the first through hole so that the support block is fixed to the pull bar.
Further, the bottom of the support block is provided with the second connector and the 3rd connector, and the slip medium block sets
There are second through hole corresponding with second connector, the 3rd connector, third through-hole, second connector, the 3rd connection
Part is coordinated with second through hole, third through-hole so that the slip medium block to be fixed to the bottom of the corresponding support block respectively
End.
Further, the PCB is provided with second gathering sill corresponding with the support block, second connector
Part is stretched out second through hole and is stretched in second gathering sill.
Further, the pull bar includes main part and is formed in multiple travelling arms of main part side, the main part
Positioned at the outside of the fixing briquetting, each described travelling arm corresponds to the support block group and covers corresponding described the
One gathering sill, and it is provided with first through hole corresponding with first connector.
Further, what the top of the fixing briquetting corresponded to first gathering sill is respectively provided on two sides with keeper, institute
State between the keeper that travelling arm is folded in the corresponding first gathering sill both sides.
Further, the bottom of the fixing briquetting is provided with multiple chutes corresponding with the plurality of support block group, each
The support block group is contained in the corresponding chute.
Further, the backing plate is respectively formed with flange along two sides of the slide assemblies glide direction, described turns over
The bearing of trend on side is identical with the bearing of trend of the fixing briquetting.
Stable performance of the present invention, small volume, phase shift range is big, and insertion loss is little, and can effectively improve the vertical of antenna
Face coverage direction figure, side lobe radiation in suppression, so as to greatly improve message capacity and communication quality.
【Description of the drawings】
A kind of schematic perspective view of antenna phasing unit that Fig. 1 is provided for one embodiment of the invention；
Fig. 2 is the decomposing schematic representation of antenna phasing unit shown in Fig. 1；
Fig. 3 is the schematic perspective view of the PCB of antenna phasing unit shown in Fig. 1 and backing plate；
Fig. 4 is the partial schematic diagram of the slide assemblies of antenna phasing unit shown in Fig. 1 and fixing briquetting；
Fig. 5 is the partial schematic diagram of the support block with slip medium block of antenna phasing unit shown in Fig. 1.
【Specific embodiment】
The invention will be further described with reference to the accompanying drawings and examples.
With reference to Fig. 1, a kind of antenna phasing unit that the present invention is provided, including backing plate 10, it is installed to the PCB of backing plate 10
20 and at least one phase-shifting unit 30 that is arranged in PCB 20.The antenna phasing unit is used for each spoke in antenna
Penetrating unit carries out accurate phase shift so that the amplitude distribution of each radiating element is more accurate, facilitates implementation antenna pattern items and refers to
Target is strict with, and can effectively improve the vertical coverage direction figure of antenna, side lobe radiation suppression in, improve the appearance that communicates
Amount and communication quality.In the present embodiment, by taking a phase-shifting unit 30 as an example, the present invention is described in detail.
Referring to figs. 2 and 3 phase-shifting unit 30 includes to be installed to the fixing briquetting 31 of backing plate 10, is arranged on fixing briquetting 31
On slide assemblies and be fixed to multiple slip medium block groups of slide assemblies, multiple slip medium block groups are located at fixing briquetting 31
Bottom and be in close contact with PCB 20.Fixing briquetting 31 defines position and the sliding distance of slide assemblies.Fixing pressure
Block 31 is installed to backing plate 10 by screw 40, and fixing briquetting 31, PCB 20 are respectively equipped with the installing hole for passing through for screw 40
314 (see Fig. 4), the 3rd installing hole 27 (see Fig. 3), so as to be fixedly installed to backing plate 10 by fixing briquetting 31.Slide assemblies can be
Slide on fixing briquetting 31 and drive multiple slip medium block groups to slide in PCB 20, existed by slip medium block group
Slip in PCB 20, so as to change the relative position of slip medium block group and PCB 20, so as to change each end
The phase place of mouth, plays the effect of having a down dip, and is acted on reaching the phase adjusted to antenna.In the present embodiment, slide assemblies are in fixing pressure
On block 31 along PCB 20 longitudinal sliding motion.
In the present embodiment, the quantity of slip medium block group is 6.Each slip medium block group includes two slip medium blocks
32, two slip medium blocks 32 are spaced and are respectively fixed to slide assemblies along the glide direction of slide assemblies.Thus, this
The bright change that can achieve six port phase.
PCB 20 is microstrip line construction to be provided with transmission circuit, the input for signal and output.Transmission circuit bag
Include two electronic circuits 21, two electronic circuits 21 along PCB 20 and slide assemblies glide direction identical axisymmetrical, two
Two not same polarizations of the difference respective antenna of individual electronic circuit 21.Wherein three slip medium block groups are tight with one of electronic circuit 21
Contiguity is touched, and its excess-three slip medium block group is in close contact with another electronic circuit 21.Electronic circuit 21 includes two parts
211, two parts 211 are along the axisymmetrical perpendicular to slide assemblies glide direction of PCB 20.Each slip medium block
Two slip medium blocks 32 of group are in close contact with two parts 211 of corresponding electronic circuit 21 respectively.
PCB 20 is installed to backing plate 10 by screw, and four angles of PCB 20 are provided with pass through for screw
One installing hole 24 so that what PCB 20 can be smooth is fixedly installed to backing plate 10.First installing hole 24 is near PCB
20 side perpendicular to slide assemblies glide direction.PCB 20 is additionally provided with the second installing hole 25, and the second installing hole 25 is leaned on
The side perpendicular to slide assemblies glide direction of nearly PCB 20, the second installing hole 25 is used for fixing PCB 20
The reflecting plate of antenna is installed to, so as to antenna phasing unit to be fixedly installed to the reflecting plate of antenna.PCB 20 is additionally provided with gold
Category via 26, metallic vias 26 are used for for PCB 20 being connected to earth plate, to reduce the coupling between close microstrip line
Interference, it is ensured that the stablizing of antenna phasing unit parameter.
The side perpendicular to slide assemblies glide direction of PCB 20 is additionally provided with welding base 23, for assembling cable.
Welding base 23 is connected with transmission circuit.
Backing plate 10 is respectively formed with flange 11 along two sides of slide assemblies glide direction, the bearing of trend of flange 11 with solid
The bearing of trend of level pressure block 31 is identical.The flange 11 of the both sides of backing plate 10 is used for sandwiched PCB 20, is easy to PCB
20 installation.While flange 11 plays a part of electromagnetic wave shielding and reflection.
With reference to Fig. 2, Fig. 4 and Fig. 5, slide assemblies include to be arranged on the pull bar 33 on 31 top of fixing briquetting and are arranged on fixation
Multiple support block groups of 31 bottom of briquetting, multiple support block groups are corresponding with multiple slip medium block groups respectively and are fixed to pull bar
33, pull bar 33 can slide on fixing briquetting 31 and drive multiple support block groups to slide on fixing briquetting 31.Each support block
Group includes spaced two support blocks 34 of glide direction along slide assemblies, and each slip medium block 32 corresponds to a support
Block 34 is simultaneously fixed to the bottom of corresponding support block 34.Thus, support can be driven when pull bar 33 is slided on fixing briquetting 31
Block 34 slides, and support block 34 is slided again and drives slip medium block 32 to slide, so as to play phase adjusted effect.When pull bar 33 is solid
On level pressure block 31 slide pull-out when, the electrical length of two electronic circuits 21 can increase so that the phase place of each radiating element of antenna according to
Secondary order multiple proportion postpones, and realizes antenna and has a down dip.
In the present embodiment, the top of support block 34 is provided with the first connector 341, and pull bar 33 is provided with and the first connector 341
Corresponding first through hole 331, fixing briquetting 31 is provided with first gathering sill 311 corresponding with support block 34, and the first connector 341 is worn
Cross the first gathering sill 311 to coordinate with first through hole 331 so that support block 34 is fixed to pull bar 33.First connector 341 is positioning
Pin.
Pull bar 33 includes main part 332 and is formed in multiple travelling arms 333 of 332 side of main part.Main part 332 is located at
The outside of fixing briquetting 31, is easy to control the slip of pull bar 33.Each travelling arm 333 correspond to a support block group and cover right
The first gathering sill 311 that answers, and be provided with and 341 corresponding first through hole 331 of the first connector.In the present embodiment, travelling arm 333
Quantity be 6, between two adjacent travelling arms 333, main part 332 is connected to by a connecting portion 334.Fixing briquetting 31
Top correspond to the first gathering sill 311 be respectively provided on two sides with keeper 312, travelling arm 333 be folded in corresponding first guiding
Between the keeper 312 of 311 both sides of groove, positioning action is played in the slip to travelling arm 333.
The bottom of support block 34 is provided with the second connector 342 and the 3rd connector 343, and slip medium block 32 is provided with and second
Connector 342,343 corresponding second through hole 321 of the 3rd connector, third through-hole 322, the second connector 342, the 3rd connector
343 are coordinated with the second through hole 321, third through-hole 322 so that slip medium block 32 to be fixed to the bottom of corresponding support block 34 respectively
End.Second connector 342 and the 3rd connector 343 are respectively alignment pin.
PCB 20 is provided with and 34 corresponding second gathering sill 22 (see Fig. 3) of support block, 342 part of the second connector
Stretch out the second through hole 321 and stretch in the second gathering sill 22.
First gathering sill 311 is identical with the structure of the second gathering sill 22, size, and the rectangle for being two ends for semicircle is tied
Structure.The axis of the first gathering sill 311 and the dead in line of the second gathering sill 22, and the longitudinal centre line of the first gathering sill 311,
The longitudinal centre line of two gathering sills 22 is parallel with the longitudinal centre line of PCB 20.First gathering sill 311 is in fixing briquetting 31
Upper arranged into an array, the second gathering sill 22 is arranged into an array in PCB 20.When pull bar 33 is slided on fixing briquetting 31
When, the first gathering sill 311,22 one side of the second gathering sill play guide effect to the slip of pull bar 33, it is ensured that pull bar 33
Linear slide, prevents skew, on the other hand defines the sliding distance of pull bar 33, so as to define amount of phase shift.
The bottom of fixing briquetting 31 is provided with multiple chutes 313 corresponding with multiple support block groups, and each support block group is accommodated
In corresponding chute 313.Compact conformation, reduces the volume of antenna phasing unit.
In the present embodiment, fixing briquetting 31, the material of support block 34 are engineering plastics, and the material of pull bar 33 is fiberglass
Sheet material matter.
Present configuration is simple, small volume, it is easy to install, stable performance, and phase shift range is big, and insertion loss is little, and can have
The vertical coverage direction figure for improving antenna of effect, side lobe radiation in suppression, so as to greatly improve message capacity and communication quality.
Above example only have expressed the preferred embodiment of the present invention, and its description is more concrete and detailed, but can not
Therefore the restriction being interpreted as to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art,
Without departing from the inventive concept of the premise, some deformation can also be made and is improved, such as to the difference spy in each embodiment
Levy and be combined, these belong to protection scope of the present invention.
Claims (10)
1. a kind of antenna phasing unit, including backing plate, is installed to the PCB of backing plate and is arranged in PCB at least
One phase-shifting unit, it is characterised in that：The phase-shifting unit includes to be installed to the fixing briquetting of the backing plate, is arranged on fixing pressure
Slide assemblies on block and multiple slip medium block groups of slide assemblies are fixed to, the plurality of slip medium block group is located at described
The bottom of fixing briquetting is simultaneously in close contact with the PCB；The slide assemblies can be slided simultaneously on the fixing briquetting
The plurality of slip medium block group is driven to slide in the PCB.
2. antenna phasing unit according to claim 1, it is characterised in that：Each described slip medium block group includes two cunnings
Dynamic medium block, described two slip medium blocks are spaced along the glide direction of the slide assemblies and are respectively fixed to the cunning
Dynamic component.
3. antenna phasing unit according to claim 2, it is characterised in that：The slide assemblies include to be arranged on the fixation
The pull bar on briquetting top and be arranged on multiple support block groups of the fixing briquetting bottom, the plurality of support block group respectively with institute
State multiple slip medium block groups and correspond to and be fixed to the pull bar, the pull bar can slide on the fixing briquetting and drive institute
State multiple support block groups to slide on fixing briquetting；Each described support block group is included along between the glide direction of the slide assemblies
Every two support blocks of arrangement, each described slip medium block corresponds to a support block and is fixed to the corresponding support
The bottom of block.
4. antenna phasing unit according to claim 3, it is characterised in that：The top of the support block is provided with the first connection
Part, the pull bar is provided with first through hole corresponding with first connector, and the fixing briquetting is provided with and the support block pair
The first gathering sill that answers, first connector coordinates through first gathering sill and the first through hole with by the support
Block is fixed to the pull bar.
5. antenna phasing unit according to claim 4, it is characterised in that：The bottom of the support block is provided with the second connector
With the 3rd connector, the slip medium block be provided with second through hole corresponding with second connector, the 3rd connector, the 3rd
Through hole, second connector, the 3rd connector are coordinated with second through hole, third through-hole with by the slip medium respectively
Block is fixed to the bottom of the corresponding support block.
6. antenna phasing unit according to claim 5, it is characterised in that：The PCB is provided with and the support block
Corresponding second gathering sill, the second connector part is stretched out second through hole and is stretched in second gathering sill.
7. antenna phasing unit according to claim 4, it is characterised in that：The pull bar includes main part and is formed in main body
Multiple travelling arms of portion side, the main body section is in the outside of the fixing briquetting, and each described travelling arm corresponds to an institute
State support block group and corresponding first gathering sill is covered, and be provided with first through hole corresponding with first connector.
8. antenna phasing unit according to claim 7, it is characterised in that：The top of the fixing briquetting corresponds to described first
Gathering sill be respectively provided on two sides with keeper, the travelling arm be folded in the corresponding first gathering sill both sides keeper it
Between.
9. antenna phasing unit according to claim 3, it is characterised in that：The bottom of the fixing briquetting is provided with many with described
The corresponding multiple chutes of individual support block group, each described support block group is contained in the corresponding chute.
10. antenna phasing unit according to claim 1, it is characterised in that：The backing plate is along the slide assemblies slip side
To two sides be respectively formed with flange, the bearing of trend of the flange is identical with the bearing of trend of the fixing briquetting.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610915530.8A CN106450764A (en) | 2016-10-20 | 2016-10-20 | Antenna phase shifter |
| PCT/CN2017/080992 WO2018072414A1 (en) | 2016-10-20 | 2017-04-19 | Antenna phase shifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610915530.8A CN106450764A (en) | 2016-10-20 | 2016-10-20 | Antenna phase shifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106450764A true CN106450764A (en) | 2017-02-22 |
Family
ID=58176950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610915530.8A Pending CN106450764A (en) | 2016-10-20 | 2016-10-20 | Antenna phase shifter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106450764A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109755696A (en) * | 2019-02-27 | 2019-05-14 | 东南大学 | A kind of wideband cavity phase shifter |
| CN112531346A (en) * | 2020-10-30 | 2021-03-19 | 重庆晖速智能通信有限公司 | Rotating structure of phase shifter |
| WO2024060648A1 (en) * | 2022-09-20 | 2024-03-28 | 普罗斯通信技术（苏州）有限公司 | Supporting assembly for phase shifter, and phase shifter |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101707271A (en) * | 2008-12-24 | 2010-05-12 | 广东通宇通讯设备有限公司 | Equiphase differential multiplexed phase shifter |
| CN202871945U (en) * | 2012-09-12 | 2013-04-10 | 苏州市大富通信技术有限公司 | A phase shifter and an electrical tilt antenna |
| CN203596399U (en) * | 2013-11-21 | 2014-05-14 | 深圳国人通信股份有限公司 | Phase shifter |
| CN206098722U (en) * | 2016-10-20 | 2017-04-12 | 深圳国人通信股份有限公司 | Antenna phase shifter |
-
2016
- 2016-10-20 CN CN201610915530.8A patent/CN106450764A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101707271A (en) * | 2008-12-24 | 2010-05-12 | 广东通宇通讯设备有限公司 | Equiphase differential multiplexed phase shifter |
| CN202871945U (en) * | 2012-09-12 | 2013-04-10 | 苏州市大富通信技术有限公司 | A phase shifter and an electrical tilt antenna |
| CN203596399U (en) * | 2013-11-21 | 2014-05-14 | 深圳国人通信股份有限公司 | Phase shifter |
| CN206098722U (en) * | 2016-10-20 | 2017-04-12 | 深圳国人通信股份有限公司 | Antenna phase shifter |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109755696A (en) * | 2019-02-27 | 2019-05-14 | 东南大学 | A kind of wideband cavity phase shifter |
| CN109755696B (en) * | 2019-02-27 | 2024-03-19 | 东南大学 | Broadband cavity phase shifter |
| CN112531346A (en) * | 2020-10-30 | 2021-03-19 | 重庆晖速智能通信有限公司 | Rotating structure of phase shifter |
| WO2024060648A1 (en) * | 2022-09-20 | 2024-03-28 | 普罗斯通信技术（苏州）有限公司 | Supporting assembly for phase shifter, and phase shifter |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170222 |
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| WD01 | Invention patent application deemed withdrawn after publication |