WO2022255503A1 - 안테나를 구비하는 전자 기기 - Google Patents
안테나를 구비하는 전자 기기 Download PDFInfo
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- WO2022255503A1 WO2022255503A1 PCT/KR2021/006756 KR2021006756W WO2022255503A1 WO 2022255503 A1 WO2022255503 A1 WO 2022255503A1 KR 2021006756 W KR2021006756 W KR 2021006756W WO 2022255503 A1 WO2022255503 A1 WO 2022255503A1
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Classifications
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- H—ELECTRICITY
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- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
- H01Q5/335—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors at the feed, e.g. for impedance matching
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0237—High frequency adaptations
- H05K1/025—Impedance arrangements, e.g. impedance matching, reduction of parasitic impedance
- H05K1/0251—Impedance arrangements, e.g. impedance matching, reduction of parasitic impedance related to vias or transitions between vias and transmission lines
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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- H—ELECTRICITY
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- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
- H01Q1/46—Electric supply lines or communication lines
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
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- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
- H01Q21/065—Patch antenna array
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- H—ELECTRICITY
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- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
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- H—ELECTRICITY
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- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/50—Feeding or matching arrangements for broad-band or multi-band operation
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- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
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- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
- H01Q9/0414—Substantially flat resonant element parallel to ground plane, e.g. patch antenna in a stacked or folded configuration
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- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
- H01Q9/045—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular feeding means
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- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
- H01Q9/40—Element having extended radiating surface
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/11—Printed elements for providing electric connections to or between printed circuits
- H05K1/111—Pads for surface mounting, e.g. lay-out
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
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- H05K1/11—Printed elements for providing electric connections to or between printed circuits
- H05K1/115—Via connections; Lands around holes or via connections
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/46—Manufacturing multilayer circuits
- H05K3/4611—Manufacturing multilayer circuits by laminating two or more circuit boards
- H05K3/4623—Manufacturing multilayer circuits by laminating two or more circuit boards the circuit boards having internal via connections between two or more circuit layers before lamination, e.g. double-sided circuit boards
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
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- H05K2201/096—Vertically aligned vias, holes or stacked vias
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09209—Shape and layout details of conductors
- H05K2201/095—Conductive through-holes or vias
- H05K2201/09618—Via fence, i.e. one-dimensional array of vias
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09209—Shape and layout details of conductors
- H05K2201/09654—Shape and layout details of conductors covering at least two types of conductors provided for in H05K2201/09218 - H05K2201/095
- H05K2201/09727—Varying width along a single conductor; Conductors or pads having different widths
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10098—Components for radio transmission, e.g. radio frequency identification [RFID] tag, printed or non-printed antennas
Definitions
- the present specification relates to an electronic device having an antenna.
- a specific implementation relates to an antenna module implemented in a multilayer circuit board and an electronic device having the same.
- image display devices such as multimedia players having complex functions such as playing music or video files, playing games, and receiving broadcasts.
- An image display device is a device that reproduces image content, and receives and reproduces images from various sources.
- the image display device is implemented in various devices such as a PC (Personal Computer), a smart phone, a tablet PC, a laptop computer, and a TV.
- An image display device such as a smart TV may provide an application for providing web content, such as a web browser.
- a communication module including an antenna may be provided. Meanwhile, as the display area of an image display device is recently expanded, a space for disposing a communication module including an antenna is reduced. Accordingly, there is an increasing need to dispose an antenna inside a multi-layer circuit board on which a communication module is implemented.
- a WiFi wireless interface may be considered as an interface for a communication service between electronic devices.
- a millimeter wave band mmWave
- high-speed data transmission between electronic devices is possible using a wireless interface such as 802.11ay.
- an array antenna capable of operating in a mmWave band may be mounted in an antenna module.
- an antenna disposed in such an antenna module may be composed of a vertical polarization antenna in addition to a horizontal polarization antenna.
- a vertically polarized antenna there is a problem in placing the antenna in a PCB in the form of a multilayer board constituting the antenna module because the antenna needs to be vertically arranged.
- Another object is to provide an electronic device including an antenna module operating in a millimeter wave band and a component for controlling the antenna module.
- Another object of the present specification is to provide an RF circuit and an integrated antenna module by arranging an antenna element operating in a millimeter wave band inside a multilayer board.
- Another object of the present specification is to provide a miniaturized antenna module by lowering the height of an antenna element vertically disposed inside a PCB in the form of a multi-layer board.
- Another object of the present specification is to provide a broadband feed line structure capable of improving impedance matching characteristics of an antenna element electrically connected to a feed line inside a multi-layer board type PCB.
- an electronic device having an antenna includes a radiator configured by stacking metal patterns on different layers of a multi-layer substrate; and an antenna module including a feeding part disposed on a specific layer of the radiator and having a feeding line configured to be connected to the radiator, wherein the radiator includes a first pad connected to the feeding line and a first pad connected to the first pad. and a second pad disposed thereon, wherein the first pad and the second pad are interconnected by a first connection line and a second connection line.
- the electronic device may further include a processor operably connected to the antenna module and controlling a wireless device disposed around the electronic device to transmit or receive a radio signal through the antenna module. have.
- the first connection line is configured to vertically connect the first end of the first pad and the first end of the second pad to form a first inductance component
- the second connection line is configured to vertically connect the first end of the second pad. It is configured to vertically connect the second end of the first electrode and the second end of the second pad to form a second inductance component.
- the first pad having a first area and the second pad having a second area are configured to be separated from each other by a predetermined interval to form a capacitance component.
- the radiator may have broadband characteristics by the first and second inductance components and the capacitance component.
- the power supply unit may include the power supply line; a first ground layer disposed from a lower portion of the power supply line to a first area in a horizontal direction; and a second ground layer disposed from the lower part of the first ground layer to a second area adjacent to the radiator than the first area in a horizontal direction, wherein the first width of the feed line formed in the first area and the The second width of the feed line formed in the second region may be configured to be different.
- a second height from the feed line to the second ground layer in the second region is higher than a first height from the feed line to the first ground layer in the first region of the power supply unit. It can be formed as a stepped ground.
- the power feeding unit may further include an upper ground layer disposed above the power feeding line, and the power feeding line may be configured as a strip line in the first region and the second region by the upper ground layer. have.
- the first pad and the second pad are interconnected by the first connection line, the second connection line, and the third connection line, and the third connection line, and the third connection line is the first connection line and the third connection line. It can be placed between the second connecting line
- the first connection line and the second connection line are disposed on a first shaft
- the third connection line is disposed between the first connection line and the second connection line on the first shaft. and may be disposed at a point offset from the first and second connection lines on a second axis perpendicular to the first axis.
- the first pad and the second pad are connected by the first connection line and the second connection line disposed on a first axis, and on a second axis perpendicular to the first axis. It may be connected by the first connection line and the third connection line or the second connection line and the fourth connection line.
- the antenna module further includes a via wall structure disposed apart from the radiator at a predetermined interval in a horizontal direction, and the via wall structure includes a plurality of pads vertically connected to each other at a plurality of points. of vertical vias.
- the via wall structure may be formed as a floating via wall that is not electrically connected to the ground of the multilayer substrate.
- the radiator operates as a vertically polarized antenna by the first connection line and the second connection line vertically connecting the first pad and the second pad, and the antenna module is installed inside the multilayer board.
- a patch antenna disposed above the ground layer and operating as a horizontally polarized antenna may be further included.
- the radiator operates as a first antenna configured to radiate a first signal in a first direction parallel to the multilayer substrate, and the patch antenna transmits a second signal in a second direction perpendicular to the multilayer substrate. It can operate as a second antenna configured to radiate.
- the array antenna may be constituted by a plurality of radiators spaced apart from each other by a predetermined interval in the first horizontal direction of the multilayer substrate.
- the processor may be disposed on the multilayer substrate on which the antenna module is formed. Alternatively, the processor may be disposed on a main board disposed inside the electronic device separately from the antenna module.
- each of the plurality of radiators further includes a via wall structure spaced apart from the radiator by a predetermined distance in a second horizontal direction, and the via wall structure is mutually connected at a plurality of points between the plurality of pads. It may include a plurality of vertical vias vertically connected to each other.
- the array antenna includes a first array antenna module and a second array antenna module spaced apart from the first array antenna module by a predetermined distance in a first horizontal direction
- the processor comprises the first and second array antenna modules.
- a first beam and a second beam are respectively formed into a first beam and a second beam in a first direction and a second direction by using two array antenna modules, respectively, and the first array antenna module and the second array antenna module are A third beam may be formed in a third direction by using.
- the processor performs multiple input/output (MIMO) using the first beam and the second beam, and uses the third beam having a narrower beam width than the first and second beams.
- MIMO multiple input/output
- beamforming may be performed.
- the antenna module includes a radiator configured by stacking metal patterns on different layers of a multi-layer substrate; and a power supply unit disposed on a specific layer of the radiator and including a power supply line configured to be connected to the radiator.
- the radiator includes a first pad connected to the power supply line and a second pad disposed on top of the first pad, and the first pad and the second pad include a first connection line and a second pad. It is configured to be interconnected by 2 connection lines.
- the first connection line is configured to vertically connect the first end of the first pad and the first end of the second pad to form a first inductance component
- the second connection line is configured to vertically connect the first end of the second pad. It is configured to vertically connect the second end of the first electrode and the second end of the second pad to form a second inductance component.
- the first pad having a first area and the second pad having a second area are configured to be spaced apart from each other at a predetermined interval to form a capacitance component, and the radiator is formed by the first and second inductance components and the capacitance component. It can be implemented to have broadband characteristics.
- the power supply unit may include the power supply line; a first ground layer disposed from a lower portion of the power supply line to a first area in a horizontal direction; and a second ground layer disposed from the lower part of the first ground layer to a second area adjacent to the radiator than the first area in a horizontal direction, wherein the first width of the feed line formed in the first area and the The second width of the feed line formed in the second region may be configured to be different.
- the antenna module further includes a via wall structure disposed apart from the radiator at a predetermined interval in a horizontal direction, and the via wall structure includes a plurality of pads vertically connected to each other at a plurality of points. of vertical vias.
- the via wall structure may be formed as a floating via wall that is not electrically connected to the ground of the multilayer substrate.
- an electronic device including an antenna module operating in a millimeter wave band and a component for controlling the antenna module may be provided.
- an antenna element operating in a millimeter wave band may be disposed inside a multilayer board using a plurality of via structures between via pads to provide an RF circuit and an integrated antenna module.
- a miniaturized antenna module may be provided by lowering the height of an antenna element vertically disposed inside a multilayer substrate by using a plurality of via structures between via pads.
- a miniaturized antenna module may be provided by lowering the height of an antenna element vertically disposed inside a multilayer board using a via wall structure disposed adjacent to an antenna element in one direction.
- a wideband feed line structure capable of improving the impedance matching characteristics of an antenna element electrically connected to a feed line inside a multi-layer board by implementing the width of a feed line connected to a monopole antenna in a tapered line form.
- a broadband feed line structure capable of improving the impedance matching characteristics of an antenna element electrically connected to a feed line inside a multilayer board can be provided by arranging the ground of a feed line connected to a monopole antenna in a stepwise manner.
- multiple input/output may be performed using only one antenna module through antennas having orthogonal polarization.
- FIG. 1 is a diagram schematically illustrating an example of an entire wireless AV system including a video display device according to an embodiment of the present specification.
- FIG. 2 shows a detailed configuration of electronic devices supporting a wireless interface according to the present specification.
- RTS Request to Send
- CTS Clear to Send
- 3B illustrates a block diagram of a communication system 400 according to one example herein.
- FIG. 4 illustrates an electronic device in which a plurality of antenna modules and a plurality of transceiver circuit modules are disposed according to an embodiment.
- 5A shows a configuration in which an RFIC is connected to a multilayer circuit board on which an array antenna module is disposed in relation to the present specification.
- 5B is a conceptual diagram illustrating an antenna structure having different radiation directions.
- 5C illustrates a coupling structure of a multi-layer substrate and a main substrate according to embodiments.
- FIG. 6 is a conceptual diagram illustrating a configuration of a plurality of communication modules disposed below the image display device and the corresponding communication modules, and communication with other communication modules disposed in the front direction.
- 7A to 7B show perspective views of an antenna module implemented as a multi-layer substrate according to embodiments.
- 7c shows a side view of the antenna module including the via wall of FIG. 7b.
- 8A shows a front view and a side view showing the configuration of a power supply unit.
- 8B shows a monopole antenna structure configured by vertically connecting a plurality of via pads.
- 9A illustrates reflection coefficient characteristics of a floating via wall structure and a ground via wall structure when there is no via wall structure.
- 9B shows reflection coefficient characteristics in a general monopole antenna, an LC Tank monopole antenna, and an LC Tank monopole antenna + tapered feeder structure.
- 10A and 10B show a configuration in which a power supply unit is formed in a microstrip line or strip line structure in an LC tank antenna + via wall structure according to an embodiment.
- 11A and 11B show configurations in which first and second types of via wall structures are disposed inside a circuit board on which an array antenna is disposed.
- FIG. 13 is a conceptual diagram showing an effective area formed by a plurality of connection lines in an LC tank monopole structure according to various embodiments.
- 14A and 14B show an antenna module formed on a multilayer board having a first type antenna and a second type antenna.
- 15A shows a structure in which an antenna module 1100 in which a first type antenna and a second type antenna are formed as an array antenna are disposed in an electronic device 1000.
- 15B is an enlarged view of a plurality of array antenna modules.
- FIG. 16 illustrates antenna modules coupled in different coupling structures at a specific location of an electronic device according to embodiments.
- FIG. 17 illustrates an array antenna including a plurality of antenna elements having an LC tank monopole + tapered feed line structure according to an embodiment and an electronic device including the same.
- FIG. 18 illustrates an array antenna including a plurality of antenna elements having an LC tank monopole + tapered feed line structure and an electronic device including the same according to an embodiment.
- FIG. 19 illustrates a plurality of array antennas including a plurality of antenna elements and an electronic device including the same according to another embodiment.
- Electronic devices described in this specification include mobile phones, smart phones, laptop computers, digital broadcasting terminals, personal digital assistants (PDAs), portable multimedia players (PMPs), navigation devices, slate PCs, and the like.
- PDAs personal digital assistants
- PMPs portable multimedia players
- slate PCs slate PCs
- tablet PC ultrabook
- wearable device eg, watch type terminal (smartwatch), glass type terminal (smart glass), HMD (head mounted display)
- HMD head mounted display
- FIG. 1 is a diagram schematically illustrating an example of an entire wireless AV system including a video display device according to an embodiment of the present specification.
- the video display device 100 is connected to a wireless AV system (or broadcasting network) and an Internet network.
- the video display device 100 is, for example, a network TV, a smart TV, or an HBBTV.
- the video display device 100 may be wirelessly connected to a wireless AV system (or broadcasting network) through a wireless interface or wirelessly or wiredly connected to an Internet network through an Internet interface.
- the video display device 100 may be configured to be connected to a server or other electronic device through a wireless communication system.
- the video display device 100 needs to provide an 802.111 ay communication service operating in a mmWave band in order to transmit or receive large amounts of high-speed data.
- the mmWave band may be any frequency band of 10 GHz to 300 GHz.
- the mmWave band may include the 802.11ay band of the 60 GHz band.
- the mmWave band may include a 5G frequency band of 28 GHz band or an 802.11ay band of 60 GHz band.
- the 5G frequency band is set to about 24 to 43 GHz band
- the 802.11ay band may be set to 57 to 70 GHz or 57 to 63 GHz band, but is not limited thereto.
- the image display device 100 may wirelessly transmit or receive data with electronic devices around the image display device 100, such as a set-top box or other electronic devices, through a wireless interface.
- the video display device 100 may transmit or receive wireless AV data with a set-top box or other electronic device, for example, a mobile terminal, disposed on the front or bottom of the video display device.
- the video display device 100 includes, for example, a wireless interface 101b, a section filter 102b, an AIT filter 103b, an application data processing unit 104b, a data processing unit 111b, a media player 106b, and an internet protocol. It includes a processing unit 107b, an Internet interface 108b, and a runtime module 109b.
- AIT Application Information Table
- real-time broadcasting content Through the broadcasting interface 101b, AIT (Application Information Table) data, real-time broadcasting content, application data, and stream events are received. Meanwhile, the real-time broadcasting content may be named Linear A/V content.
- the section filter 102b performs section filtering on the four types of data received through the air interface 101b and transmits the AIT data to the AIT filter 103b and the linear AV content to the data processor 111b, , stream events and application data are transmitted to the application data processor 104b.
- non-linear A/V content and application data are received through the Internet interface 108b.
- the non-linear AV content may be a COD (Content On Demand) application, for example.
- Non-linear AV content is transmitted to the media player 106b, and application data is transmitted to the runtime module 109b.
- the runtime module 109b includes, for example, an application manager and a browser as shown in FIG. 1 .
- the application manager controls the life cycle of an interactive application using, for example, AIT data.
- the browser performs, for example, a function of displaying and processing an interactive application.
- a communication module having an antenna for providing a wireless interface in an electronic device such as the above-described image display device
- a wireless interface for communication between electronic devices may be a WiFi wireless interface, but is not limited thereto.
- a wireless interface supporting the 802.11 ay standard may be provided for high-speed data transmission between electronic devices.
- the 802.11 ay standard is a successor standard for raising the throughput of the 802.11ad standard to 20 Gbps or more.
- Electronic devices supporting the 802.11ay air interface may be configured to use a frequency band of about 57 to 64 GHz.
- the 802.11 ay air interface can be configured to provide backward compatibility for the 802.11ad air interface. Meanwhile, an electronic device providing an 802.11 ay air interface has coexistence with legacy devices using the same band. It can be configured to provide.
- the wireless environment of the 802.11ay standard may be configured to provide coverage of 10 meters or more in an indoor environment and 100 meters or more in an outdoor environment under line of sight (LOS) channel conditions.
- LOS line of sight
- An electronic device supporting an 802.11ay wireless interface may be configured to provide VR headset connectivity, support server backup, and support cloud applications requiring low latency.
- the Ultra Short Range (USR) communication scenario which is a use case of 802.11ay, is a model for high-capacity data exchange between two terminals. USR communication scenarios can be configured to require low power consumption of less than 400 mW while providing fast link setup within 100 msec, transaction time within 1 second, and 10 Gbps data rate at an ultra-close distance of less than 10 cm. .
- the 8K UHD Wireless Transfer at Smart Home Usage Model can be considered.
- the smart home usage model can consider a wireless interface between a source device and a sink device to stream 8K UHD content in the home.
- the source device may be any one of a set-top box, a Blu-ray player, a tablet, and a smart phone
- the sink device may be any one of a smart TV and a display device, but is not limited thereto.
- the radio interface may be configured to transmit uncompressed 8K UHD streaming (60 fps, 24 bits per pixel, minimum 4:2:2) in a coverage of less than 5 m between the sink device and the sink device.
- a wireless interface may be configured such that data is transferred between electronic devices at a speed of at least 28 Gbps.
- FIG. 2 shows a detailed configuration of electronic devices supporting a wireless interface according to the present specification.
- 2 illustrates a block diagram of an access point 110 (typically a first wireless node) and an access terminal 120 (typically a second wireless node) in a wireless communication system.
- Access point 110 is a transmitting entity on the downlink and a receiving entity on the uplink.
- Access terminal 120 is a transmitting entity on the uplink and a receiving entity on the downlink.
- a "transmitting entity” is a independently operated apparatus or device capable of transmitting data over a wireless channel
- a “receiving entity” is a independently operated apparatus or device capable of receiving data over a wireless channel. It is a device or a device.
- the set-top box (STB) of FIG. 1 may be an access point 110 and the electronic device 100 of FIG. 1 may be an access terminal 120, but is not limited thereto. Accordingly, it should be understood that access point 110 may alternatively be an access terminal, and access terminal 120 may alternatively be an access point.
- the access point 110 includes a transmit data processor 220, a frame builder 222, a transmit processor 224, a plurality of transceivers 226-1 through 226-N, and a plurality of antennas ( 230-1 to 230-N).
- Access point 110 also includes a controller 234 for controlling the operations of access point 110 .
- the access point 110 includes a transmit data processor 220, a frame builder 222, a transmit processor 224, a plurality of transceivers 226-1 through 226-N, and a plurality of antennas ( 230-1 to 230-N).
- Access point 110 also includes a controller 234 for controlling the operations of access point 110 .
- transmit data processor 220 receives data (eg, data bits) from data source 215 and processes the data for transmission. For example, transmit data processor 220 can encode data (eg, data bits) into encoded data and modulate the encoded data into data symbols.
- the transmit data processor 220 may support different modulation and coding schemes (MCSs). For example, transmit data processor 220 may encode the data at any one of a plurality of different coding rates (eg, using low-density parity check (LDPC) encoding).
- MCSs modulation and coding schemes
- Transmit data processor 220 also transmits data encoded using any one of a plurality of different modulation schemes, including but not limited to BPSK, QPSK, 16QAM, 64QAM, 64APSK, 128APSK, 256QAM, and 256APSK. can be tampered with
- Controller 234 may send a command to transmit data processor 220 specifying which modulation and coding scheme (MCS) to use (eg, based on channel conditions of the downlink).
- MCS modulation and coding scheme
- Transmit data processor 220 may encode and modulate data from data source 215 according to the specified MCS. It should be appreciated that the transmit data processor 220 may perform additional processing on the data, such as scrambling the data and/or other processing. Transmit data processor 220 outputs data symbols to frame builder 222.
- Frame builder 222 constructs a frame (also referred to as a packet) and inserts data symbols into the data payload of the frame.
- a frame may include a preamble, header and data payload.
- the preamble may include a short training field (STF) sequence and a channel estimation (CE) sequence to assist the access terminal 120 in receiving the frame.
- the header may contain information related to the data in the payload, such as the length of the data and the MCS used to encode and modulate the data. This information allows access terminal 120 to demodulate and decode data.
- Data in the payload may be divided among a plurality of blocks, and each block may include a portion of data and a guard interval (GI) to assist the receiver in phase tracking.
- the frame builder 222 outputs the frame to the transmit processor 224.
- GI guard interval
- Transmit processor 224 processes the frame for transmission on the downlink.
- transmit processor 224 may support different transmission modes, eg, an orthogonal frequency-division multiplexing (OFDM) transmission mode and a single-carrier (SC) transmission mode.
- controller 234 can send a command to transmit processor 224 specifying which transmission mode to use, and transmit processor 224 can process the frame for transmission according to the specified transmission mode.
- Transmit processor 224 may apply a spectral mask to the frame such that the frequency configuration of the downlink signal meets specific spectral requirements.
- the transmit processor 224 may support multiple-input-multiple-output (MIMO) transmission.
- access point 110 has multiple antennas 230-1 through 230-N and multiple transceivers 226-1 through 226-N (eg, one for each antenna).
- can include Transmit processor 224 may perform spatial processing on incoming frames and may provide a plurality of transmit frame streams to a plurality of antennas.
- Transceivers 226-1 through 226-N receive and process (e.g., convert to analog, amplify, filter, and frequency upconvert) respective transmit frame streams to transmit antennas 230-1 through 230-N. ) Generates transmission signals for transmission through each.
- the access terminal 120 includes a transmit data processor 260, a frame builder 262, a transmit processor 264, a plurality of transceivers 266-1 through 266-M, and a plurality of antennas ( 270-1 through 270-M) (eg, one antenna per transceiver).
- Access terminal 120 may transmit data on the uplink to access point 110 and/or may transmit data to another access terminal (eg, for peer-to-peer communication).
- Access terminal 120 also includes a controller 274 for controlling the operations of access terminal 120 .
- Transceivers 266-1 through 266-M receive and process (e.g., convert to analog, amplification, filtering and frequency upconversion). For example, the transceiver 266 may up-convert the output of the transmit processor 264 into a transmit signal having a frequency of 60 GHz band.
- the antenna module according to the present specification may be configured to perform beamforming operation in a 60 GHz band, for example, a band of about 57 to 63 GHz.
- the antenna module may be configured to support MIMO transmission while performing beamforming operation in a 60 GHz band.
- the antennas 270-1 to 270-M and the transceivers 266-1 to 266-M may be implemented in an integrated form on a multilayer circuit board.
- an antenna operating with vertical polarization may be vertically disposed inside the multilayer circuit board.
- access point 110 To receive data, access point 110 includes a receive processor 242 and a receive data processor 244 .
- transceivers 226-1 through 226-N receive signals (e.g., from access terminal 120) and spatially process the received signals (e.g., frequency downconversion, amplification, filtering and converting to digital).
- a receive processor 242 receives the outputs of transceivers 226-1 through 226-N and processes the outputs to recover data symbols.
- access point 110 may receive data (eg, from access terminal 120) in a frame.
- receive processor 242 can use the STF sequence in the frame's preamble to detect the start of a frame.
- Receiver processor 242 may also use the STF for automatic gain control (AGC) adjustment.
- AGC automatic gain control
- Receive processor 242 may also perform channel estimation (eg, using the CE sequence in the preamble of the frame) and may perform channel equalization on the received signal based on the channel estimation.
- Receive data processor 244 receives data symbols from receive processor 242 and an indication of the corresponding MSC scheme from controller 234 .
- a receive data processor 244 demodulates and decodes the data symbols, recovers data according to the indicated MSC scheme, stores the recovered data (e.g., data bits) and/or data sink 246 for further processing. ) is output to
- Access terminal 120 may transmit data using OFDM transmission mode or SC transmission mode.
- receive processor 242 may process the received signal according to the selected transmission mode.
- transmit processor 264 may support multiple-input-multiple-output (MIMO) transmission.
- access point 110 may include multiple antennas 230-1 through 230-N and multiple transceivers 226-1 through 226-N (eg, one for each antenna).
- MIMO multiple-input-multiple-output
- access point 110 may include multiple antennas 230-1 through 230-N and multiple transceivers 226-1 through 226-N (eg, one for each antenna).
- the antenna module according to the present specification may be configured to perform beamforming operation in a 60 GHz band, for example, a band of about 57 to 63 GHz.
- the antenna module may be configured to support MIMO transmission while performing beamforming operation in a 60 GHz band.
- the antennas 230-1 to 230-M and the transceivers 226-1 to 226-M may be implemented in an integrated form on a multilayer circuit board.
- an antenna operating with vertical polarization among the antennas 230-1 to 230-M may be vertically disposed inside the multilayer circuit board.
- each transceiver receives and processes (eg, frequency downconverts, amplifies, filters, and converts to digital) signals from respective antennas.
- Receive processor 242 may perform spatial processing on the outputs of transceivers 226-1 through 226-N to recover data symbols.
- Access point 110 also includes memory 236 coupled to controller 234 .
- Memory 236 may store instructions that, when executed by controller 234, cause controller 234 to perform one or more of the operations described herein.
- access terminal 120 also includes memory 276 coupled to controller 274 .
- Memory 276 may store instructions that, when executed by controller 274, cause controller 274 to perform one or more of the operations described herein.
- an electronic device supporting an 802.11ay air interface determines whether a communication medium is available for communication with another electronic device.
- the electronic device transmits an RTS-TRN frame including a request to send (RTS) part and a first beam training sequence.
- FIG. 3A shows a request to send (RTS) frame and a clear to send (CTS) frame according to the present specification.
- the originating device can use the RTA frame to determine whether the communication medium is available for sending one or more data frames to the destination device.
- the destination device sends a Clear to Send (CTS) frame back to the originating device if the communication medium is available.
- the originating device transmits one or more data frames to the destination device.
- the destination device sends one or more acknowledgment ("ACK”) frames to the originating device.
- ACK acknowledgment
- a frame 300 includes a frame control field 310, a duration field 312, a receiver address field 314, a transmitter address field 316, and a frame check sequence field 318. contains the RTS part that contains For improved communication and interference reduction purposes, frame 300 further includes a beam training sequence field 320 for configuring antennas of each of the destination device and one or more neighboring devices.
- the CTS frame 350 includes a CTS portion including a frame control field 360, a duration field 362, a receiver address field 364, and a frame check sequence field 366. do.
- frame 350 further includes a beam training sequence field 368 for configuring the antennas of each of the originating device and one or more neighboring devices.
- the beam training sequence fields 320 and 368 may conform to a training (TRN) sequence according to IEEE 802.11ad or 802.11ay.
- the originating device can use the beam training sequence field 368 to configure its antenna to transmit directionally to the destination device. Meanwhile, the originating device may use the beam training sequence field to configure its respective antennas in order to reduce transmission interference in the destination device. In this case, one may use the beam training sequence field to configure their respective antennas to create an antenna radiation pattern with nulls intended for the destination device.
- FIG. 3B illustrates a block diagram of a communication system 400 according to one example herein.
- the first and second devices 410 and 420 may improve communication performance by matching directions of the main beams.
- the first and second devices 410 and 420 may form a signal-null having weak signal strength in a specific direction in order to reduce interference with the third device 430 .
- a plurality of electronic devices may be configured to perform beamforming through array antennas.
- some of a plurality of electronic devices may be configured to communicate with array antennas of other electronic devices through a single antenna.
- a beam pattern is formed in an omnidirectional pattern.
- the present invention is not limited thereto. Accordingly, three of the first to fourth devices 410 may perform beamforming and the other may not perform beamforming.
- only one of the first to fourth devices 410 may perform beamforming, and the other three devices may not perform beamforming.
- the other two devices 410 may not perform beamforming.
- all of the first to fourth devices 410 may be configured to perform beamforming.
- the first device 410 receives the intended reception of the CTS-TRN frame 350 based on the address indicated in the receiver address field 364 of the CTS-TRN frame 350. determine the device. In response to determining that it is the intended receiving device of the CTS-TRN frame 350, the first device 410 optionally transmits its own data for a directional transmission substantially destined for the second device 420.
- the beam training sequence of the beam training sequence field 368 of the received CTS-TRN 350 may be used to configure the antenna. That is, the antenna of the first device 410 substantially has a primary lobe (eg, the highest gain lobe) aimed at the second device 420 and non-primary lobes aimed at other directions. configured to generate an antenna radiation pattern.
- the second device 420 may optionally configure its antenna for directional reception (eg, a primary antenna radiation lobe) targeted at the first device 410 .
- the antenna of the first device 410 is configured for directional transmission to the second device 420
- the antenna of the second device 420 is configured for directional reception from the first device 410.
- the first device 410 transmits one or more data frames to the second device 420 .
- the first and second devices 410 and 420 perform directional transmission/reception (DIR-TX/RX) of one or more data frames through the primary lobe (main beam).
- the first and second devices 410 and 420 partially modify the beam pattern of the third device 430 to reduce interference with the third device 430 caused by the antenna radiation pattern having non-primary lobes. can make it
- the third device 430 determines that it is not the intended receiving device of the CTS-TRN frame 350 based on the address indicated in the receiver address field 364 of the CTS-TRN frame 350. . In response to determining that it is not the intended receiving device of the CTS-TRN frame 350, the third device 430 sends a null that is actually intended for the second device 420 and the first device 410. of the beam training sequence of the beam training sequence field 368 of the received CTS-TRN 350 and of the previously received RTS-TRN frame 300 to configure its antenna to generate an antenna radiation pattern each having The sequence in the beam training sequence field 320 is used.
- the nulls may be based on the estimated angle of arrival of the previously received RTS-TRN frame 300 and CTS-TRN frame 350 .
- the third device 430 communicates a desired BER, SNR, SINR, and/or one or more other communications to the first device 410 and the second device 420 (e.g., generate an antenna radiation pattern each having the desired signal powers, rejections or gains (to achieve the estimated interference at these devices 410 and 420 below a defined threshold).
- the third device 430 estimates antenna gains in directions toward the first and second devices 410 and 420, and the third device 430 and the first and second devices 410 and 420 to one or more sectors to estimate antenna reciprocity differences (e.g., transmit antenna gain minus receive antenna gain) between and determine a corresponding estimated interference at first and second devices 410 and 420.
- antenna reciprocity differences e.g., transmit antenna gain minus receive antenna gain
- the third device 430 transmits an RTS-TRN frame 300 intended for the fourth device 440 , which the fourth device 440 receives.
- the third device 430 determines that the first device 410 and the second device 420 determine the duration of the duration fields 312 and 362 of the RTS-TRN frame 300 and the CTS-TRN frame 350. Keep the antenna configuration with nulls targeting these devices as long as they are communicating based on the duration indicated in each of the fields. Since the antenna of the third device 430 is configured to generate nulls intended for the first device 410 and the second device 420, the RTS-TRN frame 300 by the third device 430 The transmission can produce reduced interference at the first device 410 and the second device 420 respectively.
- electronic devices supporting the 802.11ay air interface disclosed in this specification may form a signal null direction in a specific direction to reduce interference while matching main beam directions to each other using array antennas.
- a plurality of electronic devices may form an initial beam direction through a beam training sequence and change a beam direction through a periodically updated beam training sequence.
- the array antenna needs to be placed inside the multi-layer board on which the RFIC is placed. Also, for radiation efficiency, the array antenna needs to be disposed adjacent to the lateral area inside the multi-layer substrate.
- a modem may be disposed on a multi-layer substrate on which an array antenna and an RFIC are disposed.
- a connection length between the RFIC and the modem may be minimized.
- a detailed structure is described in FIG. 5C.
- FIG. 4 illustrates an electronic device in which a plurality of antenna modules and a plurality of transceiver circuit modules are disposed according to an embodiment.
- a home appliance in which a plurality of antenna modules and a plurality of transceiver circuit modules are disposed may be a television, but is not limited thereto.
- a home appliance in which a plurality of antenna modules and a plurality of transceiver circuit modules are disposed may include any home appliance or display device supporting a communication service in a millimeter wave band.
- the electronic device 1000 includes a plurality of antenna modules ANT 1 to ANT4, and antenna modules ANT 1 to ANT4 and a plurality of transceiver circuit modules 1210a to 1210d.
- the plurality of transceiver circuit modules 1210a to 1210d may correspond to the above-described transceiver circuit 1250 .
- the plurality of transceiver circuit modules 1210a to 1210d may be part of the transceiver circuit 1250 or part of a front-end module disposed between the antenna module and the transceiver circuit 1250 .
- the plurality of antenna modules ANT 1 to ANT4 may be configured as an array antenna in which a plurality of antenna elements are disposed.
- the number of elements of the antenna modules ANT 1 to ANT4 is not limited to 2, 3, 4, etc. as shown.
- the number of elements of the antenna modules ANT 1 to ANT4 can be expanded to 2, 4, 8, 16, and the like.
- the same number or different numbers of elements of the antenna modules ANT 1 to ANT4 may be selected.
- the plurality of antenna modules ANT 1 to ANT4 may be disposed in different areas of the display or on the bottom or side of the electronic device.
- the plurality of antenna modules ANT 1 to ANT4 may be disposed on the top, left, bottom, and right sides of the display, but are not limited to this arrangement structure.
- the plurality of antenna modules ANT 1 to ANT4 may be disposed in upper left, upper right, lower left, and lower right portions of the display.
- the antenna modules ANT 1 to ANT4 may be configured to transmit and receive signals in a specific direction in an arbitrary frequency band.
- the antenna modules ANT 1 to ANT4 may operate in any one of a 28 GHz band, a 39 GHz band, and a 64 GHz band.
- the electronic device may maintain a connection state with different entities through two or more of the antenna modules ANT 1 to ANT4 or perform a data transmission or reception operation for this purpose.
- an electronic device corresponding to a display device may transmit or receive data with the first entity through the first antenna module ANT1.
- the electronic device may transmit or receive data with the second entity through the second antenna module ANT2.
- the electronic device may transmit or receive data with a mobile terminal (UE) through the first antenna module ANT1.
- the electronic device may transmit or receive data with a control device such as a set-top box or an access point (AP) through the second antenna module ANT2.
- UE mobile terminal
- AP access point
- Data may be transmitted or received with other entities through other antenna modules, for example, the third antenna module ANT3 and the fourth antenna module ANT4.
- dual connectivity or multiple input/output (MIMO) may be performed through at least one of the first and second entities previously connected through the third and fourth antenna modules ANT3 and ANT4.
- the mobile terminals UE1 and UE2 may be disposed in the front area of the electronic device, and the mobile terminals UE1 and UE2 may be configured to communicate with the first antenna module ANT1.
- the set-top box (STB) or AP may be disposed in a lower area of the electronic device, and the set-top box (STB) or AP may be configured to communicate with the second antenna module (ANT2), but is limited thereto.
- the second antenna module ANT2 may include both a first antenna radiating to the lower area and a second antenna radiating to the front area. Accordingly, the second antenna module ANT2 can communicate with the set-top box (STB) or the AP through the first antenna, and can communicate with any one of the mobile terminals UE1 and UE2 through the second antenna. .
- any one of the mobile terminals UE1 and UE2 may be configured to perform multiple input/output (MIMO) with an electronic device.
- UE1 may be configured to perform MIMO while performing beamforming with an electronic device.
- an electronic device corresponding to an image display device may perform high-speed communication with other electronic devices or a set-top box through a WiFi wireless interface.
- an electronic device may perform high-speed communication with another electronic device or a set-top box in a 60 GHz band through an 802.11 ay air interface.
- the transceiver circuit modules 1210a to 1210d are operable to process a transmission signal and a reception signal in an RF frequency band.
- the RF frequency band may be any frequency band of the millimeter band, such as the 28 GHz band, the 39 GHz band, and the 64 GHz band, as described above.
- the transceiver circuit modules 1210a to 1210d may be referred to as RF SUB-MODULEs 1210a to 1210d.
- the number of RF SUB-MODULEs 1210a to 1210d is not limited to 4, and can be changed to an arbitrary number of 2 or more depending on the application.
- the RF SUB-MODULEs 1210a to 1210d include an up-conversion module and a down-conversion module for converting signals in the RF frequency band into signals in the IF frequency band or converting signals in the IF frequency band into signals in the RF frequency band.
- the up-conversion module and the down-conversion module may include a local oscillator (LO) capable of performing up-frequency conversion and down-frequency conversion.
- LO local oscillator
- a signal may be transferred from one of the plurality of transceiver circuit modules to an adjacent transceiver circuit module. Accordingly, the transmitted signal may be configured to be transmitted at least once to all of the plurality of transceiver circuit modules 1210a to 1210d.
- a loop-structured data transfer path may be added.
- adjacent RF SUB-MODULEs 1210b and 1210c can transmit signals in both directions (bi-direction).
- a data delivery path of a feedback structure may be added.
- at least one SUB-MODULE (1210c) is capable of uni-direction signal transmission to the remaining SUB-MODULEs (1210a, 1210b, 1210c) through the data transmission path of the feedback structure.
- the plurality of RF SUB-MODULEs may include 1st to 4th RF SUB-MODULEs 1210a to 1210d.
- a signal from the first RF SUB-MODULE 1210a may be transferred to an adjacent RF SUB-MODULE 1210b and a fourth RF SUB-MODULE 1210d.
- the second RF SUB-MODULE 1210b and the fourth RF SUB-MODULE 1210d may transmit the signal to an adjacent third RF SUB-MODULE 1210c. In this case, if bi-directional transmission is possible between the second RF SUB-MODULE 1210b and the third RF SUB-MODULE 1210c as shown in FIG.
- this may be referred to as a loop structure.
- this may be referred to as a feedback structure.
- at least two signals may be transmitted to the third RF SUB-MODULE 1210c.
- the baseband module may be provided only in specific modules among the first to fourth RF sub-modules 1210a to 1210d according to applications.
- the baseband module may not be provided in the first to fourth RF sub-modules 1210a to 1210d, but may be configured as a separate controller, that is, the baseband processor 1400.
- control signal transfer may be performed only by a separate control unit, that is, the baseband processor 1400 .
- a communication module including an antenna may be provided. Meanwhile, as the display area of an image display device is recently expanded, a space for disposing a communication module including an antenna is reduced. Accordingly, there is an increasing need to dispose an antenna inside a multi-layer circuit board on which a communication module is implemented.
- a WiFi wireless interface may be considered as an interface for a communication service between electronic devices.
- a millimeter wave band mmWave
- high-speed data transmission between electronic devices is possible using a wireless interface such as 802.11ay.
- an array antenna capable of operating in a mmWave band may be mounted in an antenna module.
- an antenna disposed in such an antenna module may be composed of a vertical polarization antenna in addition to a horizontal polarization antenna.
- a vertically polarized antenna there is a problem in placing the antenna in a PCB in the form of a multilayer board constituting the antenna module because the antenna needs to be vertically arranged.
- Another object is to provide an antenna module having an antenna operating in a millimeter wave band and an electronic device including a component for controlling the antenna module.
- Another object of the present specification is to provide an RF circuit and an integrated antenna module by arranging an antenna element operating in a millimeter wave band inside a multilayer substrate.
- Another object of the present specification is to provide a miniaturized antenna module by lowering the height of an antenna element vertically disposed inside a multilayer substrate.
- Another object of the present specification is to provide a broadband feed line structure capable of improving impedance matching characteristics of an antenna element electrically connected to a feed line inside a multilayer board.
- a wireless audio-video (AV) service and/or high-speed data transmission may be provided using an 802.11ay air interface as a mmWave air interface.
- 802.11ay air interface it is not limited to the 802.11ay air interface, and any air interface in the 60 GHz band may be applied.
- a 5G or 6G air interface using a 28 GHz band or a 60 GHz band may be used for high-speed data transmission between electronic devices.
- FIG. 5A shows a configuration in which an RFIC is connected to a multilayer circuit board on which an array antenna module is disposed in relation to the present specification. Specifically, it shows an antenna in package (AIP) module structure and an antenna module structure implemented on a flexible substrate in relation to the present specification.
- AIP antenna in package
- an Antenna In Package (AIP) module is for mmWave band communication and is composed of an integrated RFIC-PCB-antenna type.
- the array antenna module 1100-1 may be integrally formed with a multi-layer PCB, as shown in FIG. 5(a). Accordingly, the array antenna module 1100-1 integrally formed with the multilayer substrate may be referred to as an AIP module.
- the array antenna module 1100-1 may be disposed on one side of a multi-layer substrate.
- the first beam B1 may be formed in the side area of the multi-layer substrate by using the array antenna module 1100-1 disposed on one side area of the multi-layer substrate.
- the array antenna module 1100-2 may be disposed on a multi-layer substrate. Arrangement of the array antenna module 1100-2 is not limited to the structure of FIG. 5A(b), but may be disposed on an arbitrary layer inside the multilayer substrate.
- the second beam B2 may be formed in the front area of the multi-layer substrate by using the array antenna module 1100-2 disposed on an arbitrary laser of the multi-layer substrate.
- an array antenna in the AIP module in which the array antenna module is integrally formed, an array antenna may be disposed on the same PCB in order to minimize a distance between the RFIC and the antenna.
- the antenna of the AIP module may be implemented in a multi-layer PCB manufacturing process, and may radiate a signal in a vertical/lateral direction of the PCB.
- dual polarization may be implemented using a patch antenna or a dipole/monopole antenna. Therefore, the first array antenna 1100-1 of FIG. 5A(a) is disposed on the side area of the multilayer substrate, and the second array antenna 1100-2 of FIG. 5A(b) is disposed on the side area of the multilayer substrate. can do. Accordingly, the first beam B1 may be generated through the first array antenna 1100-1 and the second beam B2 may be generated through the second array antenna 1100-2.
- the first array antenna 1100-1 and the second array antenna 1100-2 may be configured to have the same polarization.
- the first array antenna 1100-1 and the second array antenna 1100-2 may be configured to have orthogonal polarization.
- the first array antenna 1100-1 operates as a vertical polarization antenna and may operate as a horizontal polarization antenna.
- the first array antenna 1100-1 may be a monopole antenna having vertical polarization
- the second array antenna may be a patch antenna having horizontal polarization.
- FIG. 5B is a conceptual diagram illustrating an antenna structure having different radiation directions.
- a radiation direction of an antenna module disposed on a lateral area of a multi-layer board corresponds to a lateral direction.
- an antenna implemented on a flexible substrate may be composed of a radiating element such as a dipole/monopole antenna. That is, the antenna implemented on the flexible substrate may be end-fire antenna elements.
- end-fire radiation may be implemented by an antenna radiating in a horizontal direction with the substrate.
- Such an end-fire antenna may be implemented as a dipole/monopole antenna, a Yagi-dipole antenna, a Vivaldi antenna, or a SIW horn antenna.
- the Yagi-dipole antenna and the Vivaldi antenna have horizontal polarization characteristics.
- one of the antenna modules disposed in the video display device presented in this specification requires a vertically polarized antenna. Therefore, it is necessary to provide an antenna structure capable of minimizing an antenna exposed area while operating as a vertically polarized antenna.
- the radiation direction of the antenna module disposed on the front area of the multilayer board corresponds to the front direction.
- the antenna disposed in the AIP module may be composed of a radiating element such as a patch antenna. That is, the antenna disposed in the AIP module may be broadside antenna elements radiating in a broadside direction.
- FIG. 5C illustrates a coupling structure between a multi-layer substrate and a main substrate according to embodiments.
- FIG. 5C(a) a structure in which an RFIC 1250 and a modem 1400 are integrally formed on a multilayer board 1010 is shown.
- Modem 1400 may be referred to as baseband processor 1400 .
- the multi-layer substrate 1010 is integrally formed with the main substrate. This integrated structure may be applied to a structure in which only one array antenna module is disposed in an electronic device.
- the multilayer board 1010 and the main board 10120 may be configured to be modularly coupled by a connector.
- the multilayer board 1010 may be configured to interface with the main board 1020 through a connector.
- the RFIC 1250 may be disposed on the multilayer substrate 1010 and the modem 1400 may be disposed on the main substrate 1020 .
- the multi-layer board 1010 may be formed as a separate board from the main board 1020 and coupled through a connector.
- This modular structure can be applied to a structure in which a plurality of array antenna modules are disposed in an electronic device.
- the multi-layer board 1010 and the second multi-layer board 1020 may be interfaced with the main board 1020 through a connector connection.
- the modem 1400 disposed on the main board 1020 is configured to be electrically coupled to the RFICs 1250 and 1250b disposed on the multi-layer board 1010 and the second multi-layer board 1020 .
- FIG. 6 is a conceptual diagram illustrating a configuration of a plurality of communication modules disposed below an image display device and communication modules and communication with other communication modules disposed in the front direction.
- different communication modules 1100-1 and 1100-2 may be disposed under the image display device 100.
- the video display device 100 may communicate with the communication module 1100b disposed below through the antenna module 1100 .
- communication may be performed with the second communication module 1100c disposed on the front side through the antenna module 1100 of the image display device 100 .
- the communication module 1100b may be a set-top box or an access point (AP) that transmits AV data to the video display device 100 at high speed through an 802.11 ay wireless interface, but is limited thereto.
- the second communication module 1100c may be any electronic device that transmits and receives data with the image display device 100 at high speed through an 802.11ay wireless interface.
- the height of the antenna may increase according to the RFIC driving circuit and the heat dissipation structure.
- the antenna height may increase in the AIP module structure as shown in FIG. 5(a) a according to the type of antenna used.
- the antenna module structure implemented in the side area of the multilayer substrate as shown in FIG. 5A(b) can implement the antenna in a low-profile shape.
- 7A to 7B show perspective views of an antenna module implemented as a multi-layer substrate according to embodiments.
- 7c shows a side view of the antenna module including the via wall of FIG. 7b.
- FIG. 7A shows a structure in which a first type of via wall is disposed adjacent to a monopole radiator having a plurality of connection lines.
- a monopole antenna is disposed at an end of a PCB corresponding to a multi-layer board.
- 7B shows a configuration in which a via wall of the second type is disposed adjacent to a monopole radiator having a plurality of connection lines.
- the via wall of the first type may have a configuration in which the via wall is disposed over the entire area of the multilayer substrate.
- the via wall of the second type may have a configuration in which the via wall is disposed only in a partial area inside the monopole radiator area of the multilayer substrate area.
- the configuration of the antenna module 1100 includes a multilayer PCB 1010, a ground 1150, a feed part 1120, a via 1111, and a via pad. pad, 1112).
- Each layer of the multi-layer substrate consists of a substrate.
- the monopole radiator 1110 includes vias 1111 and via pads 1112 . Two or more vias 1111 and via pads 1112 are connected vertically to the multilayer substrate 1010 . In order for two or more vias 1111 to operate like one radiator, the distance between the vias is configured to be equal to or less than lambda/4 of the operating frequency.
- the via wall has a structure of a floating via wall that is not connected to the ground.
- the via wall 1130b of the second type may have a structure in which the via wall is disposed only in a partial area inside the monopole radiator area of the multilayer substrate area.
- the antenna element disposed in the antenna module 1010 is not limited to a monopole antenna. Even when other types of antenna elements are disposed or a monopole antenna is disposed, the via wall may be partially disposed depending on the application. For example, a component such as a patch antenna or a capacitor requiring SMT may be disposed inside the PCB 1010 adjacent to the monopole radiator 1110 . In this case, the via wall structure 1130 cannot be formed long in a specific direction.
- the current flow generated when the via wall is connected to the ground may cause performance degradation of nearby patch antennas or RF components.
- the via wall structure 1130 as a floating via wall without connecting it to the ground, performance degradation of the patch antenna or RF component can be avoided.
- Figure 8a shows a front view and a side view showing the configuration of the power supply.
- 8B shows a monopole antenna structure configured by vertically connecting a plurality of via pads.
- 8B (a) shows a monopole antenna configuration
- FIG. 8B (b) shows a general monopole antenna configuration in which via pads are connected to a plurality of connection lines, that is, an LC tank monopole antenna configuration.
- 8B (c) shows a via unit 1110v including a via pad 1112 and a plurality of vias, that is, first and second connection lines 1111a and 1111b, and an equivalent circuit thereof.
- FIG. 8A a structure of a power supply unit 1120 for wideband impedance transformation is shown.
- a wideband impedance converter is implemented by changing the width of the power supply line 1121.
- a wideband impedance conversion unit is implemented using a stepped ground.
- the first width W1 of the feed line 1121a formed in the first region R1 and the second width W2 of the feed line 1121b formed in the second region R2 may be set differently.
- the feed line 1121a formed in the first region R1 may be referred to as an impedance converter 1121a or a first feed line 1121a.
- the feed line 1121b formed in the second region R2 may be referred to as a second feed line 1121b.
- the feed line 1121 may include a first feed line 1121a and a second feed line 1121b. That is, the feed line 1121 may include an impedance converter 1121a and a second feed line 1121b.
- the feed line 1121 may be configured to have a first width W1 and a second width W2, and the feed line 1121 of the second region R2 adjacent to the radiator 1110, that is, the second width W2.
- the second width W2 of the second feed line 1121b is implemented to have a higher impedance than the first width W1.
- the length L2 of the second feed line 1121b may be set to lambda/4 or less of the operating frequency, and may operate as an impedance conversion unit for impedance conversion.
- An operating frequency of the radiator 1110 in the antenna module may be changed to a low frequency band by the impedance converter 1121a. Accordingly, the size of the radiator 1110 in the antenna module can be miniaturized.
- the first width W1 of the first feed line 1121a may be a transmission line having a characteristic impedance of 50 ohm.
- the ground may be formed in a stepwise manner to form a first height and a second height.
- the power supply unit 1120 may include a power supply line 1121, a first ground layer 1122a, and a second ground layer 1122b.
- the first ground layer 1122a may be configured to be disposed from the bottom of the power supply line 1121 to the first region R1 in a horizontal direction.
- the second ground layer 1122b may be configured to be disposed from a lower portion of the first ground layer 1122a to a second region R2 adjacent to the radiator 1110 than the first region R1 in a horizontal direction.
- the first height h1 extends from the first region R1 to the power supply line 1121 and the first ground layer 1122a.
- the second height h2 is formed from the second region R2 to the power supply line 1121 and the second ground layer 1122b.
- the second height h2 from the second region R2 to the feed line 1121 and the second ground layer 1122b is formed as a stepped ground.
- the first height h1 of the first region R1 may be lower than the second height h2 of the second region R1. Since the height of the first ground layer 1122a and the feed line 1121 is relatively low in the first region R1 , the feed line 1121 may be formed with low impedance. Since the height of the second ground layer 1122b and the feed line 1121 is relatively high in the second region R2, it can be formed with high impedance. Accordingly, impedance conversion may be performed without a large width change between the first width W1 and the second width W2 in the first region R1 and the second region R2. That is, a low characteristic impedance of the power supply line 1121, for example, 50 ohm, may be converted into a high characteristic impedance of the radiator 1110.
- an LC tank monopole antenna is structurally formed using two or more vias 1111a and 1111b and a via pad 1112.
- the vias 1111a and 1111b and the via pad 1112 are structurally formed to have inductance and capacitance. Therefore, it is referred to as an LC Tank, and the antenna operation frequency is lowered and the bandwidth is widened by the LC Tank, so that the antenna can be miniaturized.
- the via unit 1110v may be equalized to inductance (L).
- E-field electric field
- the via unit 1110v may be equalized with the capacitance C.
- 9A illustrates reflection coefficient characteristics of a floating via wall structure and a ground via wall structure when there is no via wall structure.
- 9B shows reflection coefficient characteristics in a general monopole antenna, an LC Tank monopole antenna, and an LC Tank monopole antenna + tapered feeder structure.
- S11 has resonance frequency characteristics of i) 63 to 76 GHz when there is no via wall, ii) 58 to 73 GHz in the case of a floating via wall, and iii) 55 to 77 GHz in the case of a ground via wall. Satisfies. Therefore, the operating frequency of the antenna is lowered by the via wall. Accordingly, the antenna operating frequency can be reduced without increasing the size of the antenna by the via wall.
- the structure of the floating via wall may be optimized so that the dual resonance characteristics are exhibited and the dual resonance frequencies are adjacent to each other.
- FIG. 9B shows reflection coefficient characteristics in i) a general monopole structure without an LC tank, ii) an LC tank monopole structure, and LC iii) a tank monopole antenna + tapered feeder structure.
- the antenna operating frequency is 61 to 75 GHz.
- the antenna operating frequency is 64 to 80 GHz.
- the antenna operating frequency is 55 ⁇ 77GHz. Therefore, when both the LC tank monopole antenna and the tapered feeder structure are applied, the antenna operating frequency is reduced, thereby achieving the effect of miniaturizing the antenna size.
- the operating bandwidth of the LC Tank monopole antenna + tapered feeder structure is increased to about 22 GHz, while the operating bandwidth of the general monopole structure is about 13 GHz. Meanwhile, the minimum operating frequency of the general monopole structure is about 62.9 GHz, whereas the minimum operating frequency of the LC tank monopole antenna + tapered feeder structure is about 54.6 GHz. Accordingly, the antenna operating frequency can be lowered by about 8.3 GHz through the embodiment of the present specification. Through this, it is possible to provide an integrated structure by miniaturizing the antenna without increasing the size of the antenna and arranging the antenna inside the PCB.
- the electronic device may be configured to include the antenna module 1100 and the processor 1400.
- the processor 1400 of FIG. 3 may include the air interface 101 and the data processor 111 of FIG. 2B. Also, the processor 1400 of FIG. 3 may include the Internet interface 108 and the Internet protocol processor 107 of FIG. 2B.
- the radiator 1110 may be configured by stacking metal patterns on different layers of a multi-layer substrate 1010 .
- the power supply unit 1120 may include a power supply line 1121 configured to be disposed on a specific layer of the radiator 1110 and connected to the radiator 1110 .
- the processor 1400 is operably connected to the antenna module 1100 and can control a wireless device disposed around the electronic device to transmit or receive a radio signal through the antenna module 1100.
- the processor 1400 may be disposed on the multi-layer board 1010 on which the antenna module 1100 is formed or may be disposed in an electronic device separately from the antenna module 1100 .
- the processor 1400 may be disposed on the multilayer substrate 1010 together with the antenna module.
- the processor 1400 may be disposed inside the electronic device separately from the antenna module. That is, the processor 1400 may be disposed on the main substrate 1020 separately from the antenna module.
- the transceiver circuit 1250 of FIG. 5C may be disposed on the multi-layer board 1010 and configured to control the antenna module 1100 .
- the processor 1400 may be operatively connected to the transceiver circuit 1250 .
- the processor 1400 may control the transceiver circuit 1250 to transmit or receive a radio signal through the antenna module 1100 to a wireless device disposed around the electronic device.
- the radiator 1110 may include a first pad 1112a connected to the power supply line 1121 and a second pad 1112b disposed above the first pad 1112a.
- the first pad 1112a and the second pad 1112b may be configured to be interconnected by a first connection line 1111a and a second connection line 1111b.
- the plurality of pads may include a first pad 1112a to an nth pad 1112n.
- pads of adjacent layers among the plurality of pads 1112a to 1112n may all be connected by the first connection line 1111a and the second connection line 1111b.
- an inductance (L) component may be generated by the first connection line 1111a and the second connection line 1111b.
- a capacitance (C) component may be generated between pads of adjacent layers, for example, a first pad 1112a and a second pad 1112b disposed on top of the first pad 1112a.
- the first connection line 1111a may be configured to vertically connect the first end of the first pad 1112a and the first end of the second pad 1112b to form a first inductance L1 component.
- the second connection line 1111b is configured to vertically connect the second end of the first pad 1112a and the second end of the second pad 1112b to form a second inductance L2 component.
- the first pad 1112a having a first area and the second pad 1112b having a second area may be spaced apart from each other at a predetermined interval to form a capacitance (C) component.
- the radiator 1110 may be implemented to have broadband characteristics by the components of the first and second inductances L1 and L2 and the capacitance component C.
- the power supply unit 1120 may include a power supply line 1121 and a first ground layer 1122a disposed from a lower portion of the power supply line 1121 to the first region R1 in a horizontal direction.
- the power supply unit 1120 includes a second ground layer 1122b disposed from the lower portion of the first ground layer 1122a to a second region R2 adjacent to the radiator 1110 than the first region R1 in the horizontal direction.
- the first width W1 of the feed line 1121 formed in the first region R1 and the second width W1 of the feed line 1121 formed in the second region R2 may be formed to be different.
- the power supply unit 1120 is higher than the first height h1 between the power supply line 1121 and the first ground layer 1122a in the first area R1, and the power supply line 1121 and the second ground layer 1121 in the second area R2.
- the second height h2 up to the ground layer 1122b may be formed higher. Accordingly, the power supply unit 1120 may be formed as a stepped ground having a second height h2 higher than the first height h1.
- the power feeding unit 1120 may be formed in a strip line structure in which a ground is formed on the top in addition to the microstrip line structure.
- FIGS. 10A and 10B show a configuration in which the power supply unit is formed in a microstrip line or strip line structure in the LC tank antenna + via wall structure according to the embodiment.
- 10A shows that the power supply unit is composed of a microstrip line in the LC Tank antenna + via wall structure.
- the power supply unit is composed of a strip line in the LC Tank antenna + via wall structure.
- the power supply unit 1120 may further include an upper ground layer 1123 disposed above the power supply line 1121 .
- the antenna module may further include a via wall structure 1130 spaced apart from the radiator 1110 in a horizontal direction, for example, in an inner direction of the multi-layer substrate 1010 by a predetermined distance.
- the via wall structure 1130 may be arranged to include a plurality of vertical vias vertically connected to each other at a plurality of points between a plurality of pads.
- the via wall structure 1130 may be formed as a ground via wall electrically connected to the ground of the multilayer substrate 1010 .
- the via wall structure 1130 may be formed as a floating via wall that is not electrically connected to the ground of the multilayer board 1010 .
- the power supply line 1121 may be configured as a strip line in the first region R1 and the second region R2 by the ground layer 1123 .
- a strip line may be formed in the first region R1 by the upper ground layer 1123 and the first ground layer 1122a.
- the power supply line 1121 may be configured as a first type strip line by the upper ground layer 1123 and the first ground layer 1122a.
- the height from the feed line 1121 to the first ground layer 1122a is set to the first height h1.
- the height from the feed line 1121 to the upper ground layer 1123 is set to the third height h3.
- a strip line may be formed in the second region R2 by the upper ground layer 1123 and the second ground layer 1122b.
- the feed line 1121 may be configured as a second type strip line by the upper ground layer 1123 and the second ground layer 1122b.
- the height from the feed line 1121 to the second ground layer 1122b is set to the first height h2.
- the height from the feed line 1121 to the upper ground layer 1123 is set to the third height h3.
- the impedance conversion unit As the shape of the strip line is changed from the first region R1 to the second region R2, impedance conversion from a low characteristic impedance to a high characteristic impedance is possible by the impedance conversion unit.
- the power supply line 1121 is configured as a strip line, power supply loss can be reduced in a high frequency band such as a millimeter wave band.
- FIGS. 8A (a) and 10A a correlation between the widths W1 and W2 of the power supply line 1121 and the heights h1 and h2 of the stepped ground will be described.
- a correlation between the first width W1 and the first height h1 of the impedance converter 1121a and the second width W2 and the second height h2 of the second feed line 1121b will be described.
- Z 1 and Z 2 represent characteristic impedances of the first feed line 1121a and the second feed line 1121b, respectively.
- w of the first feed line 1121a having the first characteristic impedance Z 1 corresponds to the first width W1.
- W of the second feed line 1121b having the second characteristic impedance Z 2 corresponds to the second width W2.
- ⁇ r is the effective permittivity of the feed line 1121 in the first region R1 or the second region R2 where the feed line 1121 is disposed. Accordingly, both Equations 1 and 2 are satisfied, and the first feed line 1121a operates as an impedance converter 1121a that converts the impedances of the radiator 1110 and the second feed line 1121b.
- the correlation between the widths W1 and W2 of the feed line 1121 and the heights h 1 and h 2 of the stepped ground according to Equations 1 and 2 above may be applied to the microstrip line configuration shown in FIG. 10A.
- the correlation between the widths (W1, W2) of the feed line 1121 and the heights (h 1 , h 2 ) of the stepped ground according to Equations 1 and 2 is the upper ground layer 1123 is disposed as shown in FIG. It can be similarly applied to the strip line configuration.
- h 1 and h 2 in Equation 1 may be replaced with h 1 + h 3 and h 2 + h 3 respectively considering the height of the strip line.
- the proportionality constants of 60, 8h, and 4w which are the proportionality constant values of Equation 1, may be changed by reflecting the configuration of the strip line.
- the radiator 1110 may configure an array antenna 1100 as shown in FIGS. 11A and 11B by disposing a plurality of elements at a predetermined interval.
- FIGS. 11A and 11B show configurations in which first and second types of via wall structures are disposed inside a circuit board on which an array antenna is disposed.
- 11A shows a structure in which a first type via wall structure 1130a is disposed inside a circuit board 1010 on which an array antenna 1100 is disposed.
- 11B shows a configuration in which a second type via wall structure 1130b is disposed inside the circuit board 1010 on which the array antenna 1100 is disposed.
- an embodiment of an array antenna 1100 in which radiators 1110 in the form of LC tank monopole antennas are arranged at predetermined intervals is shown.
- the arrangement interval between the monopole antenna-shaped radiators 1110 has a value within a predetermined range from lambda/2 of the operating frequency, and may be set to a value smaller or larger than this depending on the application.
- the array interval between the radiators 1110 is set to have a value greater than lambda/2, the antenna gain increases and interference between antennas decreases, but the antenna arrangement space increases.
- the array interval between the radiators 1110 is set to lambda or more, a grating lobe phenomenon in which two or more main beams are generated may occur, and the array interval is set to a range between lambda/2 and lambda of the operating frequency. It can be.
- the array spacing between the radiators 1110 is reduced by more than lambda/2, the antenna arrangement space is reduced and the antenna can be miniaturized, but the antenna gain is reduced and interference between antennas is increased.
- the first and second types of via wall structures 1130a and 1130b may be connected to each other or partially disconnected to be independently disposed.
- the via wall structure 1130a of the first type may be disposed inside the array antenna 1100 composed of a plurality of radiators 1110-1 to 1110-3 as one via wall that is connected to each other.
- the via wall structure 1130b of the second type may be partially broken and disposed independently. Accordingly, the via wall structures 1131b to 1133b of the second type may be disposed inside the array antenna 1100 including the plurality of radiators 1110-1 to 1110-3.
- the number of elements of the array antenna is not limited to 2, 3, 4, etc. as shown.
- the number of elements of the array antenna can be expanded to 2, 4, 8, 16, and the like.
- the array antenna may be composed of 1x2, 1x3, 1x4, 1x5, ..., 1x8 array antennas.
- the antenna module may further include via wall structures 1130a and 1130b disposed apart from the radiator 1110 at a predetermined interval in a horizontal direction, for example, in an inner direction of the multi-layer substrate 1010. .
- the via wall structures 1130a and 1130b may be arranged to include a plurality of vertical vias vertically connected to each other at a plurality of points between a plurality of pads.
- the via wall structures 1130a and 1130b may include a plurality of vertical vias disposed in the first axis (x-axis) direction. Accordingly, the via wall structures 1130a and 1130b may be formed as one-dimensional via walls. Depending on the application, the via wall structures 1130a and 1130b may include a plurality of vertical vias disposed in a first axis (x-axis) direction and a second axis direction (y-axis direction) as shown in FIGS. 10A and 10B. have. Accordingly, the via wall structures 1130a and 1130b may be formed as a two-dimensional via wall. The via wall structures 1130a and 1130b may be formed as floating via walls that are not electrically connected to the ground of the multilayer substrate 1010 .
- the number of the plurality of radiators 1110-1 to 1110-3 is indicated as three in FIGS. 11A and 11B, it is not limited thereto and can be changed according to applications.
- the number of radiators in the array antenna 1100 may be determined as an even number, such as 2, 4, 6, 8, 10, 12, or 16, in consideration of coupling of feed lines. However, what is limited to this may be determined as an odd number such as 3, 5, 7, 9, and 11.
- first and second type via wall structures 1130a and 1130b may be connected to at least one of the ground layers through a via to form a ground via wall structure.
- first and second type via wall structures 1130a and 1130b may be formed as floating via wall structures electrically floating without being connected to ground layers.
- the LC Tank monopole antenna structure according to the present specification can be variously changed depending on the application.
- the LC tank monopole antenna structure can reduce the antenna height compared to the general monopole antenna structure, thereby miniaturizing the antenna.
- reduction in antenna height is an important issue.
- FIG. 12 compares a general monopole antenna structure and an LC Tank monopole antenna structure in a millimeter wave band.
- 12 (a) shows a general monopole antenna structure in the 60 GHz band.
- the monopole antenna may be formed with a height of about 1.25 mm.
- Figure 12 (b) shows the LC tank monopole antenna structure in the 60GHz band.
- the LC Tank monopole antenna 1110 may be formed to a height of about 0.8 mm.
- the distance d between the first connection line 1111a and the second connection line 1111b may be set to about 0.25 mm.
- the height of the LC tank monopole antenna 1110 formed by the plurality of pads 1112a to 1112n and the plurality of connection lines 1111a and 1111b on the plurality of layers may be about 0.83 mm.
- Equations 3 and 4 compare the lengths (Length 1 , Length 2 ) of the general monopole antenna structure and the LC Tank monopole antenna structure.
- Equation 3 is applied to the general monopole structure of FIG. 12 (a)
- f 0 60 GHz
- Length 1 1.25 mm.
- Equation 4 may be applied to the LC Tank monopole structure according to the present specification of FIG. 12 (b).
- the capacitance value Cap formed by the first connection line 1111a and the second connection line 1111b of FIG. 12(b) may be determined by Equation 5 below.
- the capacitance value Cap is determined by the area A formed by the plurality of connection lines 1111a and 1111b, and accordingly, the length L2 of the LC Tank monopole in Equation 4 can be determined.
- the condition of A (area) is formed by the first connection line 1111a and the second connection line 1111b. may be an area. That is, it may be an area formed when via pads connect centers of vias.
- Cap 0.66 is determined. Accordingly, the Cap value may increase by increasing A (area), and the monopole length L2 of the LC tank monopole structure may decrease. Therefore, the monopole length (L2) is reduced compared to the monopole length (L1) of the general monopole structure by the capacitance value (Cap) formed by the LC tank monopole structure. However, if A (area) increases beyond the threshold value, the capacitor effect may not occur due to the LC tank monopole structure. Accordingly, it is necessary to increase A (area) while operating as a capacitor by forming additional connection lines in addition to the first connection line 1111a and the second connection line 1111b.
- FIG. 13 is a conceptual diagram showing an effective area formed by a plurality of connection lines in an LC tank monopole structure according to various embodiments.
- 13(a) shows a linear connection structure formed by the first connection line 1111a and the second connection line 1111b.
- 13(b) shows a triangular connection structure formed by the first connection line 1111a to the third connection line 1111c.
- 13(c) shows a rectangular connection structure formed by the first connection line 1111a to the fourth connection line 1111d.
- the LC tank monopole structure by a plurality of connection lines between adjacent pads may be expressed as an arbitrary polygonal connection structure.
- it may be expressed as a combination of different types of connection structures for each adjacent layer.
- the first pad 1112a and the second pad 1111b include a first connection line 1111a, a second connection line 1111b, and a third connection line ( 1111c) may be configured to be interconnected.
- the third connection line 1111c may be disposed between the first connection line 1111a and the second connection line 1111b.
- the third connection line 1111c has a straight connection structure as shown in FIG. 13 (a), that is, the first connection line 1111a and the second connection line 1111a and the second connection line 1111a and the second connection line 1111b are substantially on the same line. It may be disposed between the two connection lines 1111b. Alternatively, the third connection line 1111c may be arranged to form a triangular connection structure as shown in FIG. 13(b).
- the first connection line 1111a and the second connection line 1111b may be disposed on the first axis.
- the third connection line 1111c is disposed between the first connection line 1111a and the second connection line 1111b on the first axis (x-axis). Meanwhile, the third connection line 1111c may be disposed at a point offset from the first and second connection lines 1111a and 1111b on the second axis (y-axis) perpendicular to the first axis.
- the first pad 1112a and the second pad 1111b include a first connection line 1111a, a second connection line 1111b, and a third connection line ( 1111c) and the fourth connection line 1111d.
- the first pad 1112a and the second pad 1111b may be configured to be interconnected by a first connection line 1111a, a second connection line 1111b, and a third connection line 1111c.
- the first pad 1112a and the second pad 1111b may be configured to be interconnected by a first connection line 1111a, a second connection line 1111b, and a fourth connection line 1111d.
- the first pad 1112a and the second pad 1112b are connected by a first connection line 1111a and a second connection line 1111b disposed on the first axis.
- the first pad 1112a and the second pad 1112b may be connected by a first connection line 1111a and a third connection line 1111c.
- the first pad 1112a and the second pad 1112b may be connected by a second connection line 1111b and a fourth connection line 1111d.
- first pad 1112a and the second pad 1112b are connected by a first connection line 1111a and a third connection line 1111c on a second axis perpendicular to the first axis. and may be connected by the second connection line 1111b and the fourth connection line 1111d.
- the antenna module 1100 includes a second type antenna radiating to the upper region of the multilayer board 1010 in addition to the first type antenna radiating to the side region of the multilayer board 1010 like the monopole radiator 1110. more can be provided.
- the first type antenna and the second type antenna may be composed of antennas having the same polarization.
- the first type antenna and the second type antenna may be composed of antennas having different polarizations.
- the first type antenna may operate as a vertical polarization antenna
- the second type antenna may operate as a horizontal polarization antenna.
- FIG. 14A and 14B show an antenna module formed on a multilayer board having a first type antenna and a second type antenna. Specifically, FIG. 14A shows a configuration in which a second type antenna is disposed between a monopole antenna and a ground via wall. 14B shows a configuration in which a second type antenna is disposed inside a ground via wall.
- the via wall may include a ground via wall 1130a, but is not limited thereto.
- the patch antenna 1110-2 corresponding to the second type antenna may be disposed between the via wall 1112 corresponding to the monopole antenna and the ground via wall 1130a.
- the via wall may include a floating via wall 1130b, but is not limited thereto.
- a patch antenna 1110-2 corresponding to a second type antenna may be disposed between a via wall 1112 corresponding to a monopole antenna and a floating via wall 1130b.
- the patch antenna 1110-2 may be disposed inside the multi-layer substrate rather than the floating via wall 1130b.
- the radiator 1110 is vertically polarized by the first connection line 1111a and the second connection line 1111b vertically connecting the first pad 1112a and the second pad 1112b. acts as an antenna.
- the antenna module 1100 may further include a patch antenna 1110-2 operating as a horizontal polarization antenna in addition to the vertical polarization antenna.
- the patch antenna 1110-2 may be disposed above the upper ground layer 1123 of FIG. 10B, but is not limited thereto. As another example, it may be disposed above the first ground layer 1122a as shown in FIG. 10A.
- the radiator 1110 that is, the monopole radiator may include a first antenna configured to radiate a first signal (a first beam B1) in a first direction parallel to the multilayer substrate 1010.
- the patch antenna 1110 - 2 may include a second antenna configured to radiate a second signal (second beam B2 ) in a second direction perpendicular to the multilayer board 1010 .
- the array antenna 1100-1 may be constituted by a plurality of radiators spaced apart from each other by a predetermined interval in the first horizontal direction of the multi-layer substrate 1010.
- Each of the plurality of radiators may further include via wall structures 1130a and 1130 disposed apart from the radiator 1110 by a predetermined distance in the second horizontal direction.
- the via wall structures 1130a and 1130b may include a plurality of vertical vias vertically connected to each other at a plurality of points between a plurality of pads.
- the patch antenna 1110-2 may also be configured as an array antenna.
- FIG. 15A shows a structure in which the antenna module 1100 in which the first type antenna and the second type antenna are formed as an array antenna is disposed in the electronic device 1000.
- 15B is an enlarged view of a plurality of array antenna modules.
- array antennas include a first array antenna module 1100-1 and a second array antenna module disposed apart from the first array antenna module 1100-1 by a predetermined interval in a first horizontal direction. (1100-2). Meanwhile, the number of array antennas is not limited to two and may be implemented as three or more as shown in FIG. 15B. Accordingly, the array antenna may be configured to include the first array antenna module 1100-1 to the third array antenna module 1100-3.
- the processor 1400 may control the first and second array antenna modules 1100-1 and 1100-2 to form the first and second beams in the first and second directions, respectively. That is, the first beam may be formed in the first direction in the horizontal direction by using the first array antenna module 1100-1. Also, a second beam may be formed in a second direction in a horizontal direction by using the second array antenna module 1100-2. In this regard, the processor 1400 may perform multiple input/output (MIMO) using a first beam in a first direction and a second beam in a second direction.
- MIMO multiple input/output
- the processor 1400 may form a third beam in a third direction using the first and second array antenna modules 1100-1 and 1100-2.
- the processor 1400 may control the transceiver circuit 1250 to combine signals received through the first and second array antenna modules 1100-1 and 1100-2.
- the processor 1400 may control signals transmitted to the first and second array antenna modules 1100-1 and 1100-2 through the transceiver circuit 1250 to be distributed to respective antenna elements.
- the processor 1400 may perform beamforming using a third beam having a narrower beam width than the first and second beams.
- the processor 1400 performs multiple input/output (MIMO) using a first beam in a first direction and a second beam in a second direction, and a third beam having a narrower beam width than the first and second beams.
- MIMO multiple input/output
- Beamforming may be performed using
- the quality of the first signal and the second signal received from other electronic devices around the electronic device are equal to or less than the threshold value, beamforming may be performed using the third beam.
- FIG. 16 shows antenna modules coupled in different coupling structures at a specific location of an electronic device according to embodiments.
- the antenna module 1100 may be disposed substantially horizontally with the display 151 in a lower area of the display 151. Accordingly, a beam B1 may be generated in a downward direction of the electronic device through the monopole radiator. Meanwhile, another beam B2 may be generated in the front direction of the electronic device through the patch antenna.
- the antenna module 1100 may be disposed substantially perpendicular to the display 151 in a lower area of the display 151 . can be placed. Accordingly, the beam B2 may be generated in the front direction of the electronic device through the monopole radiator. Meanwhile, another beam B1 may be generated in a downward direction of the electronic device through the patch antenna.
- the antenna module 1100 may be disposed inside the rear case 1001 corresponding to the mechanical structure. It may be disposed substantially parallel to the display 151 inside the rear case 1001 . Accordingly, the beam B2 may be generated in a downward direction of the electronic device through the monopole radiator. Meanwhile, another beam B3 may be generated toward the back of the electronic device through the patch antenna.
- the antenna module 1100 disclosed in this specification may be an antenna element operating in a 60 GHz band, for example, a monopole radiator 1110, but the operating frequency band may be changed according to applications.
- a millimeter wave band eg, 10 GHz to 300 GHz
- an antenna having a vertical polarization may be implemented at an end of the multilayer substrate 1010 corresponding to a PCB.
- This specification is for antenna miniaturization by lowering the operating frequency of an antenna of a predetermined height in consideration of the height of a thin PCB.
- this specification is for securing antenna broadband performance.
- the antenna module 1100 may be configured to have a bandwidth (BW) of 13 GHz or more in a 60 GHz band. In this regard, in the case of IEEE 802.11ay, it is because the used frequency band has a wide bandwidth of 57 to 70 GHz.
- the antenna module 1100 of FIGS. 1 to 16 disclosed in this specification is characterized in that it is integral.
- an antenna element may be integrally formed with a PCB, which is a multilayer board, by disposing an antenna at an end of a PCB using vias and via pads used in a PCB process.
- the antenna module 1100 disclosed in this specification is characterized in that it is miniaturized.
- the height of the monopole radiator 1110 may be reduced by forming an LC tank structure using two vias and a via PAD.
- a via wall may be formed by connecting the first and second connection lines 1111a and 1111b corresponding to vias and the first and second pads 1112a and 1112b corresponding to via pads in a line.
- the antenna module 1100 disclosed in this specification is characterized in that it is a stepped power supply ground.
- the operating frequency of the monopole radiator 1110 may be extended by forming the width of the feed line 1121 connected to the monopole radiator 1110 in a tapered structure. Meanwhile, by arranging the ground for the power supply line 1121 connected to the monopole radiator 1110 in a stepwise manner to adjust the impedance of the power supply line 1121, impedance matching and operation bandwidth improvement are possible.
- the antenna module 1100 includes a radiator 1110 configured by stacking metal patterns on different layers of a multi-layer substrate 1010.
- the antenna module 1010 may include a power supply unit 1120 disposed on a specific layer of the radiator 1110 and having a power supply line configured to be connected to the radiator 1110 .
- the radiator 1110 may include a first pad 1112a connected to the power supply line 1121 and a second pad 1112b disposed above the first pad 1112a.
- the first pad 1112a and the second pad 1112b may be configured to be interconnected by a first connection line 1111a and a second connection line 1111b.
- the first connection line 1111a may be configured to vertically connect the first end of the first pad 1112a and the first end of the second pad 1112b to form a first inductance L1 component.
- the first connection line 1111b may be configured to vertically connect the second end of the first pad 1112a and the second end of the second pad 1112b to form a second inductance L2 component.
- the first pad 1112a having a first area and the second pad 1112b having a second area may be spaced apart from each other at a predetermined interval to form a capacitance (C) component.
- the radiator 1110 may be implemented to have broadband characteristics by the first and second inductance components L1 and L2 and the capacitance component C.
- the first pad 1111a and the second pad 1112a may have different areas. Accordingly, the area of the plurality of pads 1112a to 1112n disposed in the plurality of layers may be configured to sequentially increase or sequentially decrease.
- the power supply unit 1120 may include a power supply line 1121 and a first ground layer 1122a disposed from a lower portion of the power supply line 1121 to the first region R1 in a horizontal direction.
- the power supply unit 1120 is configured to further include a second ground layer 1122b disposed from the lower portion of the first ground layer 1122a to a second area R2 adjacent to the radiator 1110 in a horizontal direction than the first area. It can be.
- the first width W1 of the feed line 1121 formed in the first region R1 and the second width W2 of the feed line 1121 formed in the second region R2 may be configured differently.
- the antenna module 1100 may further include a via wall structure 1130 disposed apart from the radiator 1110 by a predetermined distance in a horizontal direction.
- the via wall structure 1130 may include a plurality of vertical vias vertically connected to each other at a plurality of points between the plurality of pads 1112a to 1112n.
- the via wall structure 1130 may be formed of floating via walls 1130a and 1130b that are not electrically connected to the ground of the multilayer substrate.
- the antenna element of the LC Tank monopole + tapered feed line structure disclosed in this specification may be configured as an array antenna composed of a plurality of antenna elements.
- FIG. 17 illustrates an array antenna including a plurality of antenna elements having an LC tank monopole + tapered feed line structure according to an embodiment and an electronic device including the same.
- the multilayer circuit board may correspond to an antenna module (ANT) 1100 including a power supply unit 1120 including a radiator 1110 and a tapered power supply line 1121 .
- the antenna module (ANT, 1100) may be configured as an array antenna including a plurality of antenna elements 1100-1 to 1100-4 spaced apart from each other to perform beamforming.
- the number of the plurality of antenna elements may be four, but is not limited thereto and may be changed according to applications. The number of the plurality of antenna elements can be changed to 2, 4, 6 or 8.
- the antenna module may further include a phase controller 1230 configured to control a phase of a signal applied to each of the plurality of antenna elements.
- the electronic device may further include a transceiver circuit 1250 and a processor 1400 .
- the multilayer substrate may correspond to the antenna module 1100 (ANT).
- the transceiver circuit 1250 and the processor 1400 may be disposed on a separate circuit board from the antenna module ANT 1100.
- some of the transceiver circuits 1250 may be disposed on a multilayer substrate corresponding to the antenna module ANT 1100 .
- Transceiver circuit 1250 may be operably coupled with phase control 1230 .
- the transceiver circuit 1250 may be configured to control a signal applied to the array antenna through the phase controller 1230.
- An array antenna composed of a plurality of antenna elements having an LC tank monopole + tapered feed line structure disclosed in this specification may be composed of a plurality of array antennas disposed at different positions of an electronic device.
- FIG. 18 illustrates an array antenna including a plurality of antenna elements having an LC tank monopole + tapered feed line structure according to an embodiment and an electronic device including the same.
- the multilayer circuit board may correspond to an antenna module (ANT) 1100 including a power supply unit 1120 including a radiator 1110 and a tapered power supply line 1121 .
- the antenna module may be composed of a plurality of array antennas (ANT1 to ANT4) including a plurality of antenna elements spaced apart from each other to perform beamforming.
- the plurality of array antennas ANT1 to ANT4 may be implemented as first array antennas 1100a and ANT1 to fourth array antennas 1100d and ANT4, but are not limited thereto and may be changed according to applications.
- the antenna module may be composed of a plurality of antenna modules (1100a to 1100d) disposed in different areas of the electronic device.
- the electronic device may further include a transceiver circuit 1250 and a processor 1400 .
- the multilayer substrate may correspond to the antenna module 1100 (ANT).
- the transceiver circuit 1250 and the processor 1400 may be disposed on a separate circuit board from the antenna module ANT 1100.
- some of the transceiver circuits 1250 may be disposed on a multilayer substrate corresponding to the antenna module ANT 1100 .
- the processor 1400 may be operatively coupled to the transceiver circuitry 1250 and configured to control the transceiver circuitry 1250 .
- the processor 1400 may control the transceiver circuit 1250 to perform multiple input/output (MIMO) while performing beamforming in different directions through the plurality of antenna modules 1100a to 1100d.
- MIMO multiple input/output
- the first array antenna ANT1 to the fourth array antenna ANT4 may be operatively coupled to the first front-end module FEM1 to the fourth front-end module FEM4, respectively.
- each of the first to fourth front-end modules FEM1 to FEM4 may include a phase controller, a power amplifier, and a reception amplifier.
- Each of the first to fourth front-end modules FEM1 to FEM4 may include a part of a transceiver circuit 1250 corresponding to an RFIC.
- the processor 1400 may be operatively coupled to the first to fourth front-end modules FEM1 to FEM4.
- the processor 1400 may include some components of the transceiver circuit 1250 corresponding to the RFIC.
- the processor 1400 may include a baseband processor 1400 corresponding to a modem.
- the processor 1400 may be provided in the form of a system on chip (SoC) to include a part of a transceiver circuit 1250 corresponding to an RFIC and a baseband processor 1400 corresponding to a modem.
- SoC system on chip
- the processor 1400 may control the first front-end module FEM1 to the fourth front-end module FEM4 to radiate a signal through at least one of the first array antenna ANT1 to the fourth array antenna ANT4. have.
- an optimal antenna may be selected based on the quality of signals received through the first to fourth array antennas ANT1 to ANT4.
- the processor 1400 includes the first front-end module FEM1 to the fourth front-end module FEM4 to perform multiple input/output (MIMO) through two or more of the first array antenna ANT1 to the fourth array antenna ANT4.
- MIMO multiple input/output
- an optimal antenna combination may be selected based on the quality of signals received through the first to fourth antennas ANT1 to ANT4 and the interference level.
- the processor 1400 may perform carrier aggregation (CA) through at least one of the first to fourth array antennas ANT1 to ANT4, and the first to fourth front-end modules FEM1 to 4th front-end modules. (FEM4) can be controlled.
- CA carrier aggregation
- the processor 1400 may determine signal quality in the first band and the second band for each antenna.
- the processor 1400 may perform carrier aggregation (CA) through one antenna in the first band and another antenna in the second band, based on signal quality in the first band and the second band.
- CA carrier aggregation
- An antenna module corresponding to a multilayer board may be configured to include various numbers of array antennas.
- the electronic device may include two or more array antennas.
- the electronic device may include two array antennas and perform beamforming and MIMO using them.
- an electronic device may include four or more array antennas and perform beamforming and MIMO using some of the array antennas.
- the antenna module corresponding to the multilayer substrate may include a first array antenna 1100a (ANT1) and a second array antenna 1100b (ANT2).
- the first array antenna 1100a (ANT1) and the second array antenna 1100b (ANT2) may operate with different polarizations.
- FIG. 19 illustrates a plurality of array antennas including a plurality of antenna elements according to another embodiment and an electronic device including the same.
- the first array antenna 1100a may include a first horizontal polarization antenna ANT1-H and a first vertical polarization antenna ANT1-V.
- the second array antenna 1100b may include a second horizontally polarized antenna ANT2-H and a second vertically polarized antenna ANT2-V.
- the third array antenna 1100c may include a third horizontally polarized antenna (ANT3-H) and a third vertically polarized antenna (ANT3-V).
- the fourth array antenna 1100d may include a fourth horizontally polarized antenna ANT4-H and a fourth vertically polarized antenna ANT4-V.
- the first to fourth horizontally polarized antennas ANT1-H to ANT4-H may be first-type array antennas radiating in an upper direction of the multi-layer board like a patch antenna.
- the first to fourth vertically polarized antennas ANT1-V to ANT4-V may be second-type array antennas that radiate in a lateral direction of a multilayer substrate like a monopole radiator.
- the electronic device has the maximum rank through the first horizontal polarization antenna (ANT1-H) to the fourth horizontal polarization antenna (ANT4-H) and the first vertical polarization antenna (ANT1-V) to the fourth vertical polarization antenna (ANT4-V). 8 MIMO can be performed.
- the electronic device transmits 8Tx UL through the first horizontal polarization antenna (ANT1-H) to the fourth horizontal polarization antenna (ANT4-H) and the first vertical polarization antenna (ANT1-V) to the fourth vertical polarization antenna (ANT4-V).
- the electronic device transmits 8Rx DL through the first horizontal polarization antenna (ANT1-H) to the fourth horizontal polarization antenna (ANT4-H) and the first vertical polarization antenna (ANT1-V) to the fourth vertical polarization antenna (ANT4-V).
- - Can perform MIMO.
- the first antenna ANT1 may simultaneously transmit and/or receive signals through the first horizontally polarized antenna ANT1-H and the first vertically polarized antenna ANT1-V. Accordingly, even if the quality of a signal received through one antenna deteriorates as the electronic device rotates, a signal can be received through another antenna.
- the fourth antenna ANT4 may simultaneously transmit and/or receive signals through the fourth horizontally polarized antenna ANT4-H and the fourth vertically polarized antenna ANT4-V. Accordingly, even if the quality of a signal received through one antenna deteriorates as the electronic device rotates, a signal can be received through another antenna.
- the processor 1400 may maintain a dual connectivity state with different entities or perform a MIMO operation through a horizontal polarization antenna and a vertical polarization antenna.
- the transceiver circuit 1250 may be controlled to maintain a dual connection state with the first entity and the second entity through the first array antenna 1100a and ANT1 and the fourth array antenna 1100d and ANT4, respectively. have.
- the first array antenna 1100a and ANT1 and the fourth array antenna 1100d and ANT4 may operate as a horizontal polarization antenna and a vertical polarization antenna, respectively.
- the processor 1400 may perform a dual connectivity operation or MIMO through antennas operating with orthogonal polarizations in antenna modules disposed at different locations in the electronic device. In this case, interference between signals transmitted or received through different antennas can be reduced during dual connectivity or MIMO operation.
- the transceiver circuit 1250 may be controlled to maintain a dual connection state with the first entity and the second entity through the second array antennas 1100b and ANT2 and the third array antennas 1100c and ANT3, respectively.
- the second array antenna 1100b and ANT2 and the third array antenna 1100c and ANT3 may operate as a vertical polarization antenna and a horizontal polarization antenna, respectively.
- the processor 1400 may perform a dual connectivity operation or MIMO through antennas operating with orthogonal polarizations in antenna modules disposed at different locations in the electronic device. In this case, interference between signals transmitted or received through different antennas can be reduced during dual connectivity or MIMO operation.
- An electronic device described in this specification may simultaneously transmit or receive information from various entities such as a neighboring electronic device, an external device, or a base station.
- the electronic device may perform multiple input/output (MIMO) through an antenna module 1100, a transceiver circuit 1250 controlling the same, and a baseband processor 1400.
- MIMO multiple input/output
- the electronic device can improve communication capacity by simultaneously transmitting or receiving different information from various entities. Accordingly, communication capacity can be improved through the MIMO operation without bandwidth expansion in the electronic device.
- the electronic device may simultaneously transmit or receive the same information from various entities at the same time to improve reliability and reduce latency for surrounding information.
- URLLC Ultra Reliable Low Latency Communication
- a base station performing scheduling may preferentially allocate time slots for electronic devices operating as URLLC UEs.
- some of the specific time-frequency resources already allocated to other UEs may be punctured.
- the plurality of array antennas ANT1 to ANT4 may operate in a wide band in the first frequency band and the second frequency band.
- the baseband processor 1400 may perform multiple input/output (MIMO) through some of the plurality of array antennas ANT1 to ANT4 in the first frequency band.
- the baseband processor 1400 may perform multiple input/output (MIMO) through some of the array antennas ANT1 to ANT4 in the second frequency band.
- MIMO multiple input/output
- MIMO may be performed using array antennas spaced apart from each other at a sufficient distance and disposed in a state rotated at a predetermined angle. Accordingly, there is an advantage in that isolation between the first signal and the second signal in the same band can be improved.
- At least one array antenna among the first to fourth antennas ANT1 to ANT4 in the electronic device may operate as a radiator in the first frequency band. Meanwhile, at least one array antenna among the first to fourth antennas ANT1 to ANT4 may operate as a radiator in the second frequency band.
- the baseband processor 1400 may perform multiple input/output (MIMO) through two or more array antennas among the first to fourth antennas ANT1 to ANT4 in the first frequency band. Meanwhile, the baseband processor 1400 may perform multiple input/output (MIMO) through two or more array antennas among the first to fourth antennas ANT1 to ANT4 in the second frequency band.
- MIMO multiple input/output
- the baseband processor 1400 may transmit a request for time/frequency resources of the second frequency band to the base station when signal qualities of two or more array antennas in the first frequency band are all equal to or less than a threshold value. Accordingly, when the time/frequency resource of the second frequency band is allocated, the baseband processor 1400 uses the corresponding resource to multiple input/output through two or more array antennas among the first to fourth antennas ANT1 to ANT4. MIMO) can be performed.
- MIMO multiple input/output
- FEM front-end module
- the second frequency band when resources of the second frequency band are allocated, at least one array antenna among two or more array antennas is changed, and multiple input/output (MIMO) can be performed through the corresponding array antennas. Accordingly, when it is determined that it is difficult to perform communication through the corresponding array antenna due to different radio wave environments of the first and second frequency bands, another array antenna may be used.
- MIMO multiple input/output
- the baseband processor 1400 is configured to receive a second signal of a second band while receiving a first signal of a first band through one of the first to fourth antennas ANT1 to ANT4.
- the transceiver circuit 1250 may be controlled.
- CA carrier aggregation
- the baseband processor 1400 may perform carrier aggregation (CA) through a band in which the first frequency band and the second frequency band are combined. Accordingly, in the present specification, when an electronic device needs to transmit or receive large amounts of data, there is an advantage in that wideband reception is possible through carrier aggregation.
- CA carrier aggregation
- the electronic device can perform enhanced mobile broadband (eMBB) communication and the electronic device can operate as an eMBB UE.
- eMBB enhanced mobile broadband
- a base station performing scheduling may allocate a wideband frequency resource for an electronic device operating as an eMBB UE.
- carrier aggregation (CA) may be performed on free frequency bands excluding frequency resources already allocated to other UEs.
- an electronic device including an antenna module operating in a millimeter wave band and a component for controlling the antenna module may be provided.
- an antenna element operating in a millimeter wave band may be disposed inside a multilayer board using a plurality of via structures between via pads to provide an RF circuit and an integrated antenna module.
- a miniaturized antenna module may be provided by lowering the height of an antenna element vertically disposed inside a multilayer substrate by using a plurality of via structures between via pads.
- a miniaturized antenna module may be provided by lowering the height of an antenna element vertically disposed inside a multilayer board using a via wall structure disposed adjacent to an antenna element in one direction.
- a wideband feed line structure capable of improving the impedance matching characteristics of an antenna element electrically connected to a feed line inside a multi-layer board by implementing the width of a feed line connected to a monopole antenna in a tapered line form.
- a broadband feed line structure capable of improving the impedance matching characteristics of an antenna element electrically connected to a feed line inside a multilayer board can be provided by arranging the ground of a feed line connected to a monopole antenna in a stepwise manner.
- multiple input/output may be performed using only one antenna module through antennas having orthogonal polarization.
- Examples of computer-readable media include Hard Disk Drive (HDD), Solid State Disk (SSD), Silicon Disk Drive (SDD), ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage device, etc. , and also includes those implemented in the form of a carrier wave (eg, transmission over the Internet). Also, the computer may include a control unit of the terminal.
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Abstract
Description
Claims (20)
- 안테나를 구비하는 전자 기기에 있어서,금속 패턴들이 다층 기판(multi-layer substrate)의 서로 다른 레이어에 적층(stack)되어 구성된 방사체(radiator); 및상기 방사체의 특정 레이어에 배치되고, 상기 방사체와 연결되도록 구성된 급전 라인을 구비하는 급전부를 구비하는 안테나 모듈; 및상기 안테나 모듈과 동작 가능하게 연결되고, 상기 전자 기기의 주변에 배치된 무선 기기로 상기 안테나 모듈을 통해 무선 신호를 송신 또는 수신하도록 제어하는 프로세서를 포함하고,상기 방사체는,상기 급전 라인과 연결되는 제1 패드; 및상기 제1 패드의 상부에 배치된 제2 패드를 포함하고, 상기 제1 패드와 상기 제2 패드는 제1 연결 라인 및 제2 연결 라인에 의해 상호 연결되는 것을 특징으로 하는, 전자 기기.
- 제1 항에 있어서,상기 제1 연결 라인은 상기 제1 패드의 제1 단부와 상기 제2 패드의 제1 단부를 수직 연결하도록 구성되어 제1 인덕턴스 성분을 형성하고상기 제2 연결 라인은 상기 제1드의 제2 단부와 상기 제2 패드의 제2 단부를 수직 연결하도록 구성되어 제2 인덕턴스 성분을 형성하고,제1 면적을 갖는 상기 제1 패드와 제2 면적을 갖는 상기 제2 패드가 소정 간격으로 이격되도록 구성되어 커패시턴스 성분을 형성하고,상기 제1 및 제2 인덕턴스 성분 및 상기 커패시턴스 성분에 의해 상기 방사체는 광대역 특성을 갖도록 구현되는, 전자 기기.
- 제1 항에 있어서,상기 급전부는,상기 급전 라인;상기 급전 라인의 하부에서 수평 방향으로 제1 영역까지 배치된 제1 그라운드 층; 및상기 제1 그라운드 층의 하부에서 수평 방향으로 상기 제1 영역보다 상기 방사체에 인접한 제2 영역까지 배치된 제2 그라운드 층을 포함하고,상기 제1 영역에 형성된 상기 급전 라인의 제1 너비와 상기 제2 영역에 형성된 상기 급전 라인의 제2 너비는 상이한 것을 특징으로 하는, 전자 기기.
- 제3 항에 있어서,상기 급전부는,상기 제1 영역에서 상기 급전 라인과 상기 제1 그라운드 층까지의 제1 높이보다 상기 제2 영역에서 상기 급전 라인과 상기 제2 그라운드 층까지의 제2 높이가 더 높게 계단식 그라운드(stepped ground)로 형성되는 것을 특징으로 하는, 전자 기기.
- 제3 항에 있어서,상기 급전부는,상기 급전 라인의 상부에 배치되는 상부 그라운드 층을 더 포함하고,상기 상부 그라운드 층에 의해 상기 제1 영역 및 상기 제2 영역에서 상기 급전 라인은 스트립 라인으로 구성되는, 전자 기기.
- 제1 항에 있어서,상기 제1 패드와 상기 제2 패드는 상기 제1 연결 라인, 상기 제2 연결 라인 및 제3 연결 라인에 의해 상호 연결되고,상기 제3 연결 라인은 상기 제1 연결 라인과 상기 제2 연결 라인 사이에 배치되는, 전자 기기.
- 제6 항에 있어서,상기 제1 연결 라인과 상기 제2 연결 라인은 제1 축 상에 배치되고,상기 제3 연결 라인은 상기 제1 축 상에서 상기 제1 연결 라인과 상기 제2 연결 라인 사이에 배치되고, 상기 제1 축에 수직한 제2 축 상에서 상기 제1 및 제2 연결 라인보다 오프셋된 지점에서 배치되는, 전자 기기.
- 제6 항에 있어서,상기 제1 패드와 상기 제2 패드는 제1 축 상에 배치되는 상기 제1 연결 라인 및 상기 제2 연결 라인에 의해 연결되고,상기 제1 축에 수직한 제2 축 상에서 상기 제1 연결 라인 및 제3 연결 라인 또는 상기 제2 연결 라인 및 제4 연결 라인에 의해 연결되는, 전자 기기.
- 제1 항에 있어서,상기 방사체와 수평 방향으로 소정 간격 이격되어 배치되는 비아 월 구조를 더 포함하고,상기 비아 월 구조는 복수의 패드들 간에 복수의 지점들에서 상호 간 수직 연결되는 복수의 수직 비아들을 포함하는, 전자 기기.
- 제9 항에 있어서,상기 비아 월 구조는,상기 다층 기판의 그라운드와 전기적으로 연결되지 않은 플로팅 비아 월(floating via wall)로 형성되는, 전자 기기.
- 제1 항에 있어서,상기 제1 패드와 상기 제2 패드를 수직 연결하는 상기 제1 연결 라인 및 상기 제2 연결 라인에 의해 상기 방사체는 수직 편파 안테나로 동작하고,상기 다층 기판 내부의 그라운드 층 상부에 배치되고, 수평 편파 안테나로 동작하는 패치 안테나를 더 포함하는, 전자 기기.
- 제11 항에 있어서,상기 방사체는 상기 다층 기판에 평행한 제1 방향으로 제1 신호를 방사하도록 구성된 제1 안테나이고,상기 패치 안테나는 상기 다층 기판에 수직한 제2 방향으로 제2 신호를 방사하도록 구성된 제2 안테나인 것을 특징으로 하는, 전자 기기.
- 제1 항에 있어서,상기 방사체는 상기 다층 기판의 제1 수평 방향으로 소정 간격 이격되어 배치되는 복수의 방사체들에 의해 배열 안테나를 구성하고,상기 프로세서는 상기 안테나 모듈이 형성된 상기 다층 기판 상에 배치되는, 전자 기기.
- 제13 항에 있어서,상기 복수의 방사체들 각각은,상기 방사체와 제2 수평 방향으로 소정 간격 이격되어 배치되는 비아 월 구조를 더 포함하고,상기 비아 월 구조는 복수의 패드들 간에 복수의 지점들에서 상호 간 수직 연결되는 복수의 수직 비아들을 포함하는, 전자 기기.
- 제13 항에 있어서,상기 배열 안테나는 제1 배열 안테나 모듈 및 상기 제1 배열 안테나 모듈에 제1 수평 방향으로 소정 간격 이격되어 배치되는 제2 배열 안테나 모듈을 포함하고,상기 프로세서는,상기 제1 및 제2 배열 안테나 모듈을 각각 이용하여 각각 제1 빔 및 제2 빔을 제1 방향 및 제2 방향으로 형성하고,상기 제1 배열 안테나 모듈 및 상기 제2 배열 안테나 모듈을 이용하여 제3 방향으로 제3 빔을 형성하는, 전자 기기.
- 제15 항에 있어서,상기 프로세서는상기 제1 빔 및 상기 제2 빔을 이용하여 다중 입출력(MIMO)를 수행하고,상기 제1 빔 및 상기 제2 빔보다 좁은 빔 폭을 갖는 상기 제3 빔을 이용하여 빔 포밍을 수행하는, 전자 기기.
- 안테나 모듈에 있어서,금속 패턴들이 다층 기판(multi-layer substrate)의 서로 다른 레이어에 적층(stack)되어 구성된 방사체(radiator); 및상기 방사체의 특정 레이어에 배치되고, 상기 방사체와 연결되도록 구성된 급전 라인을 구비하는 급전부를 포함하고,상기 방사체는 상기 급전 라인과 연결되는 제1 패드와 상기 제1 패드의 상부에 배치된 제2 패드를 포함하고, 상기 제1 패드와 상기 제2 패드는 제1 연결 라인 및 제2 연결 라인에 의해 상호 연결되는 것을 특징으로 하는, 안테나 모듈.
- 제17 항에 있어서,상기 제1 연결 라인은 상기 제1 패드의 제1 단부와 상기 제2 패드의 제1 단부를 수직 연결하도록 구성되어 제1 인덕턴스 성분을 형성하고상기 제2 연결 라인은 상기 제1드의 제2 단부와 상기 제2 패드의 제2 단부를 수직 연결하도록 구성되어 제2 인덕턴스 성분을 형성하고,제1 면적을 갖는 상기 제1 패드와 제2 면적을 갖는 상기 제2 패드가 소정 간격으로 이격되도록 구성되어 커패시턴스 성분을 형성하고,상기 제1 및 제2 인덕턴스 성분 및 상기 커패시턴스 성분에 의해 상기 방사체는 광대역 특성을 갖도록 구현되는, 안테나 모듈.
- 제17 항에 있어서,상기 급전부는,상기 급전 라인;상기 급전 라인의 하부에서 수평 방향으로 제1 영역까지 배치된 제1 그라운드 층; 및상기 제1 그라운드 층의 하부에서 수평 방향으로 상기 제1 영역보다 상기 방사체에 인접한 제2 영역까지 배치된 제2 그라운드 층을 포함하고,상기 제1 영역에 형성된 상기 급전 라인의 제1 너비와 상기 제2 영역에 형성된 상기 급전 라인의 제2 너비는 상이한 것을 특징으로 하는, 안테나 모듈.
- 제17 항에 있어서,상기 방사체와 수평 방향으로 소정 간격 이격되어 배치되는 비아 월 구조를 더 포함하고,상기 비아 월 구조는 복수의 패드들 간에 복수의 지점들에서 상호 간 수직 연결되는 복수의 수직 비아들을 포함하고,상기 비아 월 구조는,상기 다층 기판의 그라운드와 전기적으로 연결되지 않은 플로팅 비아 월(floating via wall)로 형성되는, 안테나 모듈.
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KR20120134254A (ko) * | 2011-06-01 | 2012-12-12 | 광운대학교 산학협력단 | 전자기 결합을 이용한 이중 역 에프형 안테나 |
KR20150032972A (ko) * | 2013-09-23 | 2015-04-01 | 삼성전자주식회사 | 안테나 장치 및 그를 구비하는 전자 기기 |
KR20190078548A (ko) * | 2017-12-26 | 2019-07-04 | 삼성전기주식회사 | 안테나 모듈 및 안테나 장치 |
KR20190080452A (ko) * | 2017-12-28 | 2019-07-08 | 삼성전자주식회사 | 적어도 하나의 지정된 대역 상의 노이즈를 차단하기 위한 구조체 및 그것을 포함하는 전자 장치 |
KR20200141339A (ko) * | 2019-06-10 | 2020-12-18 | 삼성전자주식회사 | 광대역 안테나 및 이를 포함하는 안테나 모듈 |
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KR20120134254A (ko) * | 2011-06-01 | 2012-12-12 | 광운대학교 산학협력단 | 전자기 결합을 이용한 이중 역 에프형 안테나 |
KR20150032972A (ko) * | 2013-09-23 | 2015-04-01 | 삼성전자주식회사 | 안테나 장치 및 그를 구비하는 전자 기기 |
KR20190078548A (ko) * | 2017-12-26 | 2019-07-04 | 삼성전기주식회사 | 안테나 모듈 및 안테나 장치 |
KR20190080452A (ko) * | 2017-12-28 | 2019-07-08 | 삼성전자주식회사 | 적어도 하나의 지정된 대역 상의 노이즈를 차단하기 위한 구조체 및 그것을 포함하는 전자 장치 |
KR20200141339A (ko) * | 2019-06-10 | 2020-12-18 | 삼성전자주식회사 | 광대역 안테나 및 이를 포함하는 안테나 모듈 |
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