WO2023282665A1 - 위상 변환 장치 및 이를 포함하는 통신장치 - Google Patents
위상 변환 장치 및 이를 포함하는 통신장치 Download PDFInfo
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- WO2023282665A1 WO2023282665A1 PCT/KR2022/009857 KR2022009857W WO2023282665A1 WO 2023282665 A1 WO2023282665 A1 WO 2023282665A1 KR 2022009857 W KR2022009857 W KR 2022009857W WO 2023282665 A1 WO2023282665 A1 WO 2023282665A1
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- Prior art keywords
- moving
- movable
- substrate
- base panel
- rod
- Prior art date
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- 238000004891 communication Methods 0.000 title claims abstract description 18
- 239000000758 substrate Substances 0.000 claims abstract description 94
- 230000005540 biological transmission Effects 0.000 claims description 25
- 238000006243 chemical reaction Methods 0.000 claims description 24
- 238000009434 installation Methods 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 22
- 230000008859 change Effects 0.000 claims description 17
- 230000009467 reduction Effects 0.000 claims description 14
- 238000000926 separation method Methods 0.000 claims description 4
- 230000010363 phase shift Effects 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005530 etching Methods 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/18—Phase-shifters
- H01P1/184—Strip line phase-shifters
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- 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
- H01Q3/2682—Time delay steered arrays
- H01Q3/2694—Time delay steered arrays using also variable phase-shifters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
- F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
- F16H19/04—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/039—Gearboxes for accommodating worm gears
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- 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
-
- 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
- the present invention relates to a phase shifting device and a communication device including the same (PHASE SHIFTER AND COMMUNICATION DEVICE INCLUDING THE SAME), which minimizes the height from one surface of a fixed substrate to improve the space utilization of an antenna device and reduces the overall weight of a phase shifter. It relates to a conversion device and a communication device including the same.
- a beam angle in a vertical direction of the antenna device is adjusted through a mechanical beam tilt method or an electrical beam tilt method.
- the mechanical beam tilting method is a method of adjusting a beam angle by directly installing an antenna device to be inclined downward. Although it is a simple method, this method has disadvantages that are somewhat cumbersome for various reasons, such as a worker's visit to the site and power cut-off during work.
- the electric beam tilt method is based on a multi line phase shifter (MLPS). Specifically, the electric beam tilt method adjusts the beam angle by feeding signals having different phases to a plurality of vertically arranged radiating elements.
- MLPS multi line phase shifter
- a phase shifting device may be provided in the antenna device.
- the phase conversion device appropriately delays the input signal so that a phase difference occurs between the input signal and the output signal.
- the delay of the input signal may be implemented by changing the length of the transmission line or changing the signal propagation speed in the transmission line.
- Patent Publication No. 2010-0122005 (hereinafter referred to as 'Patent Document 1'), which is a conventional phase conversion device, discloses a fixed substrate having one input port and a plurality of output ports and a moving substrate having a variable strip, there is.
- Patent Document 1 has a disadvantage in that space efficiency is reduced because the fixed substrate and the movable substrate are provided only on one side of the phase shift device.
- a multi-band frequency antenna device capable of serving various bands.
- a multi-band antenna device needs to individually adjust the phases of frequencies of several bands. Accordingly, the number of phase shifters included in the antenna device may increase, and thus the phase shifter needs to be further reduced in size and weight.
- the present invention has been made to solve the above technical problem, and an object of the present invention is to provide a miniaturized and lightweight phase conversion device and a communication device including the same.
- the present invention is provided with a reduction gear set to precisely reciprocate and horizontally move the moving rod, it is possible to precisely adjust the phase difference, and since the phase change switching unit can be placed slimly on the base panel, the space utilization of the product is maximized.
- Another object is to provide a phase shifting device capable of doing so and a communication device including the same.
- phase shifting device is a base panel, a fixed substrate laminated and fixed to one side or the other side of the base panel, and a plurality of circuit patterns printed on the upper surface and a plurality of circuit patterns of the fixed substrate, respectively.
- a plurality of movable boards including movable strip terminals that are in contact are provided, and the plurality of movable boards are reciprocally moved a predetermined distance in a horizontal direction on the base panel to change the contact position of the movable board with respect to the circuit pattern.
- a switching unit is included, and the phase change switching unit moves the plurality of movable substrates while elastically supporting them toward the circuit pattern.
- the plurality of circuit patterns may be printed on the fixed substrate in a form in which a length of a transmission line changes according to a change in a contact point of the movable substrate.
- the plurality of circuit patterns are formed to branch from one input terminal to two output terminals, and the moving strip terminal of the moving board can change the length of the transmission line to the branched two output terminals.
- the phase change switching unit includes a plurality of moving board installation units at an end portion of which the plurality of moving boards are respectively seated and installed, a module rod connecting the plurality of moving board installation units in a module unit, and the reciprocating moving direction from the module rod. It may include a moving rod extending in a straight line and a moving driver for moving the moving rod in the reciprocating moving direction.
- the fixed substrates are distributedly arranged as one fixed substrate and the other fixed substrate on both sides of the reciprocating moving direction of the moving driver located in the middle of the base panel, and the plurality of movable substrate installation units and the module rod are provided adjacent to the one fixed substrate and the other fixed substrate, respectively, and the moving rod receives driving force simultaneously from the moving driver to move the plurality of moving substrate mounting units in the same direction at the same time.
- an elastic member for elastically supporting the movable board toward the circuit pattern may be interposed between the plurality of movable board installation parts and the movable board.
- the elastic member may include a plate spring.
- the moving drive unit includes a driving motor that is electrically driven, a reduction gear set for receiving driving force from the driving motor and reducing speed, and a rack gear tooth formed on one side of the moving rod, and one gear of the reduction gear set and
- the rack gear portion may include a rack gear portion provided to mesh with the rack gear teeth.
- the driving motor may be provided as a step motor capable of controlling rotation in one direction or the other direction.
- the reduction gear set may be provided inside the gear box as a combination of a plurality of parallel gears provided to mesh with each other in a combination of various gear ratios.
- one of the plurality of parallel gear combinations may be provided as a worm wheel gear including a worm wheel gear tooth provided to engage with a worm gear coupled to a rotational shaft of the driving motor.
- At least one guide bracket for preventing separation of the moving rod and guiding the reciprocating movement may be installed on the base panel.
- An embodiment of the communication device according to the present invention may include the above-described phase conversion device.
- phase conversion device and the communication device including the same According to the phase conversion device and the communication device including the same according to the present invention, the following various effects can be achieved.
- phase change switching unit can be placed slimly on the base panel, it has an effect of maximizing space utilization of the product.
- FIG. 1 is a perspective view showing an embodiment of a phase conversion device according to the present invention.
- FIG. 1 is exploded perspective views of FIG. 1,
- Figure 3 is a plan view of Figure 1
- Figure 4 is a side view of Figure 1;
- 5A and 5B are a cross-sectional view (a) and a cutaway view (b) taken along the line A-A of FIG. 3 and respective partially enlarged views;
- FIG. 6 is a perspective view showing a phase conversion switching unit of the configuration of FIG. 1;
- FIG. 7A and 7B are plan views of FIG. 1, which visually show changes in the overlapping length between the circuit pattern before and after phase conversion and the moving substrate;
- FIG. 8A and 8B are plan views of FIG. 1, which show before/after phase conversion corresponding to maximum and minimum phases.
- phase shifter 10 base panel
- 140A, 140B guide bracket 150: moving drive unit
- phase conversion device according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.
- FIG. 1 is a perspective view showing an embodiment of a phase shift device according to the present invention
- FIGS. 2A and 2B are exploded perspective views of FIG. 1
- FIG. 3 is a plan view of FIG. 1
- FIG. 4 is a side view of FIG. 1 .
- the phase shift device 1 As referred to in FIGS. 1 to 4 , the phase shift device 1 according to an embodiment of the present invention is laminated and fixed to the base panel 10 and one side or the other side of the base panel 10, and is placed on the upper surface.
- Fixed substrates 20A and 20B on which a plurality of circuit patterns 30 are printed, and a plurality of moving substrates 40 contacting the plurality of circuit patterns 30 of the fixed substrates 20A and 20B, respectively, are provided. It includes a phase shift switching unit 100 that reciprocates the plurality of movable substrates 40 in a horizontal direction on the panel 10 to change the contact position of the movable substrate 40 with respect to the circuit pattern 30. .
- the fixing substrates 20A and 20B may be fixed to one surface (upper surface in the drawing) of the base panel 10 .
- a pair of fixed substrates 20A and 20B may be spaced apart from each other on one short side and the other short side.
- the fixed substrates 20A and 20B may be provided as a normal printed circuit board, and a plurality of circuit patterns 30 described above may be printed and formed on one surface (upper surface in the drawing) by etching, etching, or the like.
- the plurality of circuit patterns 30 are spaced apart from the fixed substrates 20A and 20B in a number corresponding to the number of moving strip terminals 44, which will be described later, formed on the lower surfaces of the plurality of moving substrates 40, respectively. It may be made of a material that is electrically coupled to the strip terminal 44 .
- eight pairs of the plurality of circuit patterns 30 may be provided on one fixed substrate 20A and 20B, and eight pairs of the plurality of moving substrates 40 described above may also be provided on one fixed substrate 20A and 20B. It can be provided to move on. Therefore, when two fixed substrates 20A and 20B are provided on one base panel 10, a total of 16 circuit patterns 30 may be printed, and a plurality of movable substrates 40 may also be formed. A total of 16 may be provided.
- the plurality of circuit patterns 30 may be connected to at least one input port 30A and a plurality of output ports 30B-1 and 30B-2. In addition, the plurality of circuit patterns 30 may share at least one input port 30A, or the plurality of circuit patterns 30 may have respective input ports 30A.
- Each circuit pattern 30 of the fixed substrates 20A and 20B is coupled with the corresponding moving strip terminal 44 of the moving substrate 40 to form a plurality of transmission lines.
- a signal received through the input port 30A may be transferred to each output port 30B-1 and 30B-2 through each transmission line implemented with each circuit pattern 30.
- Signals transmitted to the respective output ports 30B-1 and 30B-2 may be transmitted to an antenna element (not shown), one of parts of each communication device, through an RF cable or an RF connector.
- the moving strip terminal 44 provided on the lower surface of the movable board 40 is also grounded for the plurality of circuit patterns 30. will move to a state In this way, as the contact position of the moving strip terminal 44 of the moving board 40 with respect to the plurality of circuit patterns 30 is changed, through this, the physical length of each transmission line can be reduced or lengthened, thereby, A phase difference between signals transmitted through each transmission line may be adjusted.
- the base panel 10 may be made of a Teflon material having a low loss rate in a high frequency environment.
- the material of the base panel 10 is not necessarily limited thereto, and the base panel 10 may be made of other materials.
- FIG. 5A and 5B are cross-sectional views (a) and cutaway views (b) taken along the line A-A of FIG. 3 and each partially enlarged view
- FIG. 6 is a perspective view showing a phase change switching unit in the configuration of FIG. 1.
- the phase change switching unit 100 includes a plurality of moving substrate installation units 110 on which a plurality of moving substrates 40 are seated and installed at an end portion, and a plurality of moving substrate installation units ( 110) in module units, a module rod 120 extending in a straight line from the module rod 120 in the reciprocating moving direction, and a moving drive unit for moving the moving rod 130 in the reciprocating moving direction ( 150) may be included.
- the plurality of movable substrate installation units 110 are arranged such that a single movable substrate 40 is installed at a position corresponding to each of the plurality of circuit patterns 30 .
- each of the moving boards 40 may be fitted to the lower surface of each end of the plurality of moving board installation parts 110 via a pair of fixing protrusions 41.
- the upper ends of the pair of fixing protrusions 41 are moved in an operation in which the fixing hole 111 is forcibly fitted into the fixing hole 111 by providing a protrusion larger than the diameter of the fixing hole 111 formed to pass through the moving substrate installation part 110.
- the substrate 40 is fixed to the moving substrate installation part 110, but the length of the fixing protrusion 41 is formed to be larger than the fixing hole 111, so that the protrusion of the fixing protrusion 41 limits the moving substrate in the vertical direction. (40) can be installed to be flexible.
- the protrusion of the fixing protrusion 41 may be formed with a slit (reference numeral not indicated) having a predetermined depth at the front end so that the shape is deformed by a forcible fitting force when fitted into the fixing hole 111, and the fixing hole 111
- a slit reference numeral not indicated
- an elastic member 43 provided as a leaf spring protruding convexly toward the lower surface of the moving board mounting unit 110 is provided on the upper surface of the moving substrate 40, and moves by the elastic supporting force of the elastic member 43.
- the substrate 40 is always elastically supported toward the fixed substrates 20A and 20B on which the plurality of circuit patterns 30 are formed, so that the moving strip terminals 44 of the movable substrate 40 are continuously attached to the fixed substrates 20A and 20B. It may adhere to the circuit pattern 30 .
- the plurality of movable substrate mounting units 110 may be connected to each other by at least two module rods 120 .
- the plurality of movable substrate mounting units 110 may be connected to each other by at least two module rods 120 .
- two movable board mounting units 110 may be connected to one module rod 120 at the same time.
- the module rod 120 includes a module connection part 121 branched and connected to three points of each of the two moving board mounting parts 110, and an integrated connection part 123 that integrally connects each module connection part 121. can do.
- the moving rod 130 may be connected to the center of the integrated connection unit 123 .
- the movable board 40, the movable board installation unit 110, and the module rod 120 are provided for each module on one side of the fixed substrates 20A and 20B and on the other side of the fixed substrates 20A and 20B, respectively.
- One end and the other end of the moving rod 130 may be respectively connected to the center of the integrated connection part 123 of the configuration of the module rod 120. Therefore, when the movable rod 130 moves in the reciprocating moving direction described above, the movable substrates 40 on one side of the fixed substrates 20A and 20B and on the other fixed substrates 20A and 20B are all moved in the same direction, The aforementioned phase difference can be adjusted.
- At least one or more guide slots 115 may be cut in the vertical direction in the module rod 120 .
- the guide slot 115 is formed to a length that limits the change of the contact position of the movable board 40 from the position where the transmission line is the shortest to the position where the transmission line is the longest in the circuit pattern 30 described above.
- two guide slots 115 are provided to each of the two module rods 120 to be spaced apart. However, it is not necessary that only two guide slots 115 be formed in one module rod 120, and it is possible to form more than that number.
- Guide rods 117 fixed to the base panel 10 may be installed in each of the at least one guide slot 115 .
- the guide rod 117 passes through the guide slot 115 vertically and is screwed to the base panel 10, and the upper end is shaped like a flat head having a diameter sufficient to support the edge of the guide slot 115. may be provided.
- the guide rod 117 and the guide slot 115 guide the reciprocating movement of the module rod 120 and the moving board installation unit 110 according to the reciprocating horizontal movement of the moving rod 130, and at the same time the module rod 120 and the movable board installation part 110 can be prevented from being separated from the base panel 10 or excessively lifted.
- the movable substrate installation unit 110 is elastically supported upward by the elastic member 43 installed between the movable substrate 40 and there is a possibility that it may flow irregularly from the fixed substrate 20A, 20B side.
- the plate-headed guide rod 117 is supported on the edge of the guide slot 115, so that the moving substrate installation part 110, the module rod 120, and the moving rod 130 are stably horizontally will be able to maintain
- At least one guide bracket 140A or 140B may be installed on the base panel 10 to prevent separation of the moving rod 130 and to guide the reciprocating movement.
- the guide brackets 140A and 140B are provided so that both ends of the movable rod 130 pass through, and may be provided as a pair to penetrate and support a portion adjacent to each end of the movable rod 130.
- the guide brackets 140A and 140B include one side guide bracket 140A provided so that one end side of the moving rod 130 adjacent to the side of the one side fixing substrate 20A is installed through, and the other side fixing substrate. (20B) may include the other side guide bracket (140B) provided so that the other end side of the moving rod 130 adjacent to the side is installed through.
- One guide bracket 140A and the other guide bracket 140B are screwed to the base panel 10 and serve to guide the moving rod 130 to reciprocate in the horizontal direction by penetrating the moving rod 130. do.
- one guide bracket 140A and the other guide bracket 140B are module rods 120 including a movable substrate installation unit 110 by an elastic member 43 interposed between the movable substrate 40 All of them can perform a function of preventing excessive separation from one side fixing substrate 20A and the other fixing substrate 20B.
- the phase change switching unit 100 may further include a moving driving unit 150 for horizontally moving the moving rod 130 in the reciprocating moving direction.
- the moving driver 150 includes a drive motor 153 provided inside the gearbox 151 and electrically driven, and a reduction gear set that receives driving force from the drive motor 153 and decelerates the gearbox. (155 to 159) and the moving rod 130, provided with a rack gear tooth 161 formed on one side, one gear (pinion gear 159) and a rack gear tooth ( 161) may include a rack gear portion 160 provided to be engaged.
- the rotating shaft 153c of the drive motor 153 is disposed inside the gear box 151 in parallel with the moving rod 130, and the worm gear 154 having worm gear teeth is coupled to the rotating shaft 153c of the driving motor 153 It can be.
- the reduction gear sets 155 to 159 include a worm wheel gear 155 having worm wheel gear teeth to mesh with the worm gear teeth of the worm gear 154 coupled to the rotational shaft 153c of the drive motor 153, and the movement It may include a pinion gear 159 meshed with the rack gear portion 160 provided in the rod 130, and between the worm wheel gear 155 and the pinion gear 159, at least three two-stage parallel gear combinations 156 ⁇ 158) may be configured as a set of gear groups to be meshed with various gear ratios to reduce and transmit the driving force of the driving motor 153.
- the reduction gear sets 155 to 159 can reduce the driving force of the driving motor 153 at an appropriate reduction ratio by a combination of a plurality of gear ratios including the worm wheel gear 155 and the pinion gear 159, precise The moving distance of the moving rod 130 can be controlled, and more precise phase difference adjustment is possible through the moving distance control of the moving rod 130 .
- the drive motor 153 is preferably provided as a step motor capable of controlling rotation in one or the other direction.
- the principle of adjusting the phase difference by controlling the rotation of the driving motor 153 provided as a step motor will be described in more detail while describing the communication device including the phase conversion device 1 according to an embodiment of the present invention. .
- FIGS. 7A and 7B are plan views of FIG. 1, which visually show a change in overlapping length between a circuit pattern and a moving substrate before and after phase conversion
- FIGS. 8A and 8B are plan views of FIG. It is a plan view showing the state before/after the corresponding phase transformation.
- the phase conversion device 1 has improved gain (+3dB) through multiple antenna subarrays among the configuration of an antenna device to which multiple input multiple output (MIMO) technology is reflected. It can be included in a communication device capable of shifting the phase value to enable beamforming implementation of .
- MIMO multiple input multiple output
- MIMO technology is a technology that dramatically increases data transmission capacity by using multiple antenna subarrays.
- the transmitter transmits different data through each transmit antenna, and the receiver distinguishes the transmitted data through appropriate signal processing. It is a spatial multiplexing technique. Therefore, as the number of transmit/receive antennas is simultaneously increased, the channel capacity increases, allowing more data to be transmitted. For example, if the number of antennas is increased to 10, about 10 times the channel capacity is secured using the same frequency band compared to a single antenna system.
- the antenna device arranges TRx modules (not shown) that perform transmitter and receiver functions in vertical and horizontal directions (V (Vertical)-H (Horizontal)), and a plurality of electrically connected TRx modules for each TRx module.
- An antenna element may be arranged.
- the channel capacity established for each TRx module can be redefined as "RF chain”, and a group unit of antenna elements in which a plurality of antenna elements are arranged for antenna beamforming can be redefined as "antenna subarray".
- a plurality of RF chains may be constructed in the V-direction, and at this time, three or more antenna subarrays may be arranged in the V-direction for each RF chain.
- each RF chain may be constructed through a transmission line branching from one input terminal to two output terminals, and antenna subarrays may be respectively arranged at each output terminal.
- antenna subarrays may be respectively arranged at each output terminal.
- a separate additional antenna subarray may be constructed so that the outputted phase difference implements a linear phase value, but is not limited thereto.
- the transmission line is implemented in the form of a circuit pattern 30 printed on one fixed substrate 20A and the other fixed substrate 20B, ,
- the input terminal is implemented as the input port 30A of the feeding signal, while the two output terminals are implemented as the output ports 30B-1 and 30B-2 of the feeding signal, and the moving strip terminal 44 of the moving board 40 It may have a structure in which power is supplied while the physical length of the transmission line is changed by
- the radiation beam of the antenna sub-array, etc. radiated with the phase value shifted by the phase conversion device 1 according to an embodiment of the present invention is not branched from the input end of each RF chain to two output ends, but each It may be possible to implement beamforming in which a gain of +3 dB is improved compared to the case where beams are radiated through antenna subarrays for each RF chain.
- the moving rod 130 moves to the right on the drawing while the plurality of moving substrates 40 move to the right at the same time as the contact points.
- the position can be changed to the right on the circuit pattern 30 so that the length of the transmission line becomes longer, and the adjustment of the phase difference according to the contact position is completed.
- the overlapping length of the moving strip terminal 44 of the moving board 40 and the circuit pattern 44 corresponds to the reference numeral "O1, Overlap 1" in FIG. 7A, excluding the length corresponding to twice O1.
- the length of the moving strip terminal 44 of can be an incremental contribution to the existing transmission line.
- the moving rod 130 is moved to the left side in the drawing and the plurality of moving substrates 40 are moved to the left side at the same time, so that the position of the contact point is changed. It can be changed to the left on the circuit pattern 30 so that the length of the transmission line becomes longer, and the adjustment of the phase difference according to the gradual position is completed.
- the overlapping length of the moving strip terminal 44 of the moving board 40 and the circuit pattern 44 corresponds to “O2, Overlap 2” in FIG.
- the length of the strip terminal 44 can be an incremental contribution to the existing transmission line.
- the moving rod 130 has a reciprocating moving distance limited by the guide rod 117 provided in the guide slot 115 described above.
- the guide rod 117 is Assuming that it is located at the center of the guide slot 115 (refer to the reference numeral “T” in FIGS. 8A and 8B), the longest transmission line and the longest transmission line on the circuit pattern 30 move 0.8 mm to one side and the other side, respectively. It can be designed to form a short transmission line.
- a communication device may be configured to include all embodiments of the above-described phase conversion device 1.
- the phase shifting device 1 in implementing beamforming through a plurality of antenna subarrays, provides more efficient beamforming by changing the length of a physical transmission line. It can function as one component included in a communication device that enables implementation.
- phase conversion device 1 according to an embodiment of the present invention and the communication device including the same are arranged very slimly on the base panel 10 without occupying a lot of space upward, and are moved horizontally to and from the base panel 10, thereby providing precision.
- the phase difference can be adjusted appropriately, and it provides the advantage of maximizing the space utilization of the product.
- the present invention is capable of miniaturization and light weight, and since a reduction gear set is provided to precisely reciprocate and horizontally move the moving rod, it is possible to precisely adjust the phase difference, and since the phase change switching unit can be placed on the base panel in a slim manner, the product A phase conversion device capable of maximizing space utilization and a communication device including the same are provided.
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Abstract
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Claims (13)
- 베이스 패널;상기 베이스 패널 상의 일측 또는 타측에 적층 고정되고, 상면에 다수의 회로 패턴이 인쇄 형성된 고정 기판; 및상기 고정 기판의 다수의 회로 패턴에 각각 접점되는 이동 스트립 단자를 포함하는 다수의 이동 기판이 구비되되, 상기 베이스 패널 상에서 수평 방향으로 소정거리 상기 다수의 이동 기판을 왕복 무빙시켜 상기 이동 기판의 상기 회로 패턴에 대한 접점 위치를 변경시키는 위상변환 스위칭부; 를 포함하고,상기 위상변환 스위칭부는, 상기 다수의 이동 기판을 상기 회로 패턴 측으로 상시 탄성 지지하면서 무빙시키는, 위상 변환 장치.
- 청구항 1에 있어서,상기 다수의 회로 패턴은, 상기 이동 기판의 접점 위치의 변경에 따른 전송 선로의 길이가 변화되는 형태로 상기 고정 기판에 인쇄 형성된, 위상 변환 장치.
- 청구항 2에 있어서,상기 다수의 회로 패턴은, 하나의 입력단으로부터 2개의 출력단으로 분기되도록 형성되고,상기 이동 기판의 이동 스트립 단자는, 상기 분기된 2개의 출력단으로의 전송 선로의 길이를 변화시키는, 위상 변환 장치.
- 청구항 1에 있어서,상기 위상변환 스위칭부는,단부에 상기 다수의 이동 기판이 각각 안착 설치되는 다수의 이동 기판 설치부;상기 다수의 이동 기판 설치부를 모듈 단위로 연결하는 모듈 로드;상기 모듈 로드로부터 상기 왕복 무빙 방향으로 일직선 연장되는 이동 로드; 및상기 이동 로드를 상기 왕복 무빙 방향으로 무빙시키는 무빙 구동부; 를 포함하는, 위상 변환 장치.
- 청구항 4에 있어서,상기 고정 기판은, 상기 베이스 패널의 중간 부위에 위치한 상기 무빙 구동부의 상기 왕복 무빙 방향의 양측에 일측 고정기판 및 타측 고정기판으로써 각각 분산 배치되고,상기 다수의 이동 기판 설치부 및 상기 모듈 로드는 각각 상기 일측 고정기판 및 타측 고정기판 측에 인접되게 구비되며,상기 이동 로드는 상기 무빙 구동부로부터 동시에 구동력을 전달받아 상기 다수의 이동 기판 설치부를 동시에 동일한 방향으로 무빙시키는, 위상 변환 장치.
- 청구항 4에 있어서,상기 다수의 이동 기판 설치부와 상기 이동 기판 사이에는 상기 이동 기판을 상기 회로 패턴 측으로 탄성 지지하는 탄성부재가 개재된, 위상 변환 장치.
- 청구항 6에 있어서,상기 탄성부재는, 판 스프링을 포함하는, 위상 변환 장치.
- 청구항 4에 있어서,상기 무빙 구동부는,전기적으로 구동되는 구동 모터;상기 구동 모터로부터 구동력을 전달받아 감속시키는 감속 기어 세트; 및상기 이동 로드에 구비되되 일측에 랙 기어치가 형성되고, 상기 감속 기어 세트의 일 기어와 상기 랙 기어치가 치합되도록 구비된 랙 기어부; 를 포함하는, 위상 변환 장치.
- 청구항 8에 있어서,상기 구동 모터는, 일측 또는 타측 방향으로의 회전 제어가 가능한 스텝 모터로 구비된, 위상 변환 장치.
- 청구항 8에 있어서,상기 감속 기어 세트는, 다양한 기어비의 조합으로 상호 치합되도록 구비된 다수의 평행기어 조합체로서 기어 박스 내부에 구비된, 위상 변환 장치.
- 청구항 10에 있어서,상기 다수의 평행기어 조합체 중 하나는 상기 구동 모터의 회전축에 결합된 웜 기어와 치합 가능하게 구비된 웜휠 기어치를 포함하는 웜휠 기어로 구비된, 위상 변환 장치.
- 청구항 4에 있어서,상기 베이스 패널에는, 상기 이동 로드의 이탈을 방지하고, 상기 왕복 무빙을 안내하는 적어도 하나의 가이드 브라켓이 설치된, 위상 변환 장치.
- 청구항 1 내지 청구항 5 중 어느 하나의 위상 변환 장치를 포함하는 통신장치.
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CN202280048132.4A CN117999703A (zh) | 2021-07-08 | 2022-07-07 | 移相装置及包括其的通信装置 |
EP22838017.6A EP4369520A1 (en) | 2021-07-08 | 2022-07-07 | Phase shifter and communication device including same |
US18/406,153 US20240145913A1 (en) | 2021-07-08 | 2024-01-07 | Phase shifter and communication device including same |
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KR20100122005A (ko) | 2009-05-11 | 2010-11-19 | 주식회사 케이엠더블유 | 수직 빔틸트 제어 안테나를 위한 다중 이상기 |
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CN117996445A (zh) * | 2024-02-04 | 2024-05-07 | 人天通信集团有限公司 | 一种移相器及基站天线 |
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