WO2024034780A1 - 무선 모듈 및 이를 포함하는 전자 장치 - Google Patents
무선 모듈 및 이를 포함하는 전자 장치 Download PDFInfo
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- WO2024034780A1 WO2024034780A1 PCT/KR2023/005834 KR2023005834W WO2024034780A1 WO 2024034780 A1 WO2024034780 A1 WO 2024034780A1 KR 2023005834 W KR2023005834 W KR 2023005834W WO 2024034780 A1 WO2024034780 A1 WO 2024034780A1
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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
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/44—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
Definitions
- This disclosure relates to an antenna module and an electronic device including the same.
- Beamforming generally uses multiple antennas to concentrate the reach area of radio waves or to increase the directivity of reception sensitivity in a specific direction. Products equipped with multiple antennas are being developed to improve communication performance, and it is expected that equipment with an ever-increasing number of antennas will be used.
- a module for wireless communication includes a radiator, a plurality of resonators, a first substrate on which the radiator and the plurality of resonators are disposed, and a power supply ( It may include a second board including a power supply.
- the first substrate may include a plurality of first layers.
- the second substrate may include a plurality of second layers.
- the radiator may be disposed in a radiation layer among the plurality of first layers of the first substrate.
- the plurality of resonators may be disposed in a resonant layer among the plurality of first layers of the first substrate. At least some of the plurality of resonators within the resonance layer may be disposed in an area different from (i.e., distinct from) an area within the radiation layer where the radiator is disposed.
- an electronic device in a wireless communication system may include a radome cover, a radio unit (RU) housing, and a RU module including at least one antenna.
- the RU module may include an antenna board on which antenna modules including at least one antenna are arranged, and a RU board including a power supply.
- an antenna module may include a plurality of radiators, a plurality of resonators, and an antenna board on which the radiators and the plurality of resonators are disposed.
- the antenna board may include a plurality of first layers.
- the RU board may include a plurality of second layers.
- the radiator may be disposed in a radiation layer among the plurality of first layers of the antenna board.
- the plurality of resonators may be disposed in a resonant layer among the plurality of first layers of the antenna board. At least some of the plurality of resonators within the resonance layer may be disposed in an area different from (i.e., distinct from) an area within the radiation layer where the radiator is disposed.
- FIG. 1 is a diagram illustrating an exemplary wireless communication system according to embodiments.
- 2A and 2B include an exploded perspective view and drawings showing examples of components of an electronic device according to embodiments.
- 3A and 3B are diagrams showing example functional configurations of an electronic device according to embodiments.
- FIG. 4 is a diagram illustrating an example of a radio unit (RU) module of an electronic device according to embodiments.
- FIG. 5A is a cross-sectional view showing an example of a stacked structure of a RU module according to embodiments.
- Figure 5b is a cross-sectional view showing an example of a radiator and a resonator of a RU module according to embodiments.
- Figure 6 is a cross-sectional view showing an example of a stacked structure of a RU board and an antenna board according to embodiments.
- FIGS. 7A, 7B, and 7C are cross-sectional views showing examples of antenna boards including resonators according to embodiments.
- Figure 8 is a cross-sectional view showing an example of an array antenna according to embodiments.
- FIGS. 9A, 9B, and 9C are diagrams showing examples of radiation areas including a radiator and a resonator according to embodiments.
- FIG. 9D is a graph showing an example of performance depending on the size of an antenna board according to embodiments.
- FIG. 10A is a diagram illustrating examples of radiation depending on the presence or absence of a resonator according to embodiments.
- Figure 10b is a graph showing an example of reflection loss depending on the presence or absence of a resonator according to embodiments.
- FIG. 10C is a graph showing examples of gain depending on the presence or absence of a resonator according to embodiments.
- FIG. 11 includes diagrams and graphs illustrating examples of performance of a RU module including a resonator according to embodiments.
- Figure 12 is a diagram showing an example of the arrangement of a RU module including a resonator according to embodiments.
- FIG. 13 is a diagram illustrating an example functional configuration of an electronic device including a RU module according to embodiments.
- the expressions greater than or less than may be used to determine whether a specific condition is satisfied or fulfilled, but this is only a description for expressing an example, and the description of more or less may be used. It's not exclusion. Conditions written as ‘more than’ can be replaced with ‘more than’, conditions written as ‘less than’ can be replaced with ‘less than’, and conditions written as ‘more than and less than’ can be replaced with ‘greater than and less than’.
- 'A' to 'B' means, for example, at least one of the elements from A to (including A) and B (including B).
- the present disclosure uses terms used in some communication standards (e.g., 3rd Generation Partnership Project (3GPP), European Telecommunications Standards Institute (ETSI), extensible radio access network (xRAN), and open-radio access network (O-RAN).
- 3GPP 3rd Generation Partnership Project
- ETSI European Telecommunications Standards Institute
- xRAN extensible radio access network
- OF-RAN open-radio access network
- FIG. 1 is a diagram illustrating an exemplary wireless communication system according to embodiments.
- the wireless communication environment 100 of FIG. 1 exemplifies a base station 110, a terminal 120, and a terminal 130 as some nodes that use a wireless channel.
- the base station 110 is a network infrastructure that provides wireless access to the terminal 120.
- Base station 110 has coverage defined as a certain geographic area based on the distance over which signals can be transmitted.
- the base station 110 includes a massive MIMO (multiple input multiple output) unit (MMU), an 'access point (AP)', an 'eNodeB (eNB)', and a '5G node (5th node).
- MMU massive MIMO (multiple input multiple output) unit
- AP 'access point
- eNB 'eNodeB
- 5th node 5th node
- the base station 110 may transmit a downlink signal or receive an uplink signal.
- the terminal 120 is a device used by a user and communicates with the base station 110 through a wireless channel. In some cases, the terminal 120 may be operated without user involvement. That is, the terminal 120 is a device that performs machine type communication (MTC) and may not be carried by the user.
- the terminal 120 is a terminal, as well as 'user equipment (UE)', 'mobile station', 'subscriber station', and 'customer premises equipment (CPE)'. , ‘remote terminal’, ‘wireless terminal’, ‘electronic device’, or ‘vehicle terminal’, ‘user device’ or technical equivalent. It may be referred to by other terms with different meanings.
- the terminal 120 and terminal 130 shown in FIG. 1 can support vehicle communication.
- vehicle communication in the LTE system, standardization work on V2X technology based on the device-to-device (D2D) communication structure was completed in 3GPP Release 14 and Release 15, and V2X technology is currently being developed based on 5G NR. Efforts to develop it are underway.
- NR V2X supports unicast communication, groupcast (or multicast) communication, and broadcast communication between terminals.
- Base station 110 or terminal 120 may include an antenna array.
- Each antenna included in the antenna array may be referred to as an array element or antenna element.
- the antenna array is depicted as a two-dimensional planar array, but this is merely an example and does not limit the embodiments of the present disclosure.
- Antenna arrays can be configured in various forms, such as linear arrays or multi-layer arrays.
- the antenna array may be referred to as a massive antenna array.
- a technology that improves the data capacity of 5G communications is beamforming technology that uses an antenna array connected to multiple RF paths.
- the number of components that perform wireless communication is increasing to improve communication performance.
- the number of RF parts (e.g. amplifiers, filters) and components for processing antennas and RF signals received or transmitted through the antennas has also increased, improving communication performance when constructing communication equipment. While meeting the requirements, spatial benefits and cost efficiency are essential.
- FIG. 2A and 2B include an exploded perspective view and drawings showing examples of components of an electronic device according to embodiments.
- FIG. 2A is an exploded perspective view showing internal components constituting the electronic device 200 according to embodiments
- FIG. 2B is a diagram showing the top, bottom, and side surfaces of the electronic device 200 according to embodiments.
- the electronic device 200 exemplifies the base station 110 of FIG. 1, but descriptions of the electronic device 200 described below may be applied to the terminal 120 or terminal 130.
- the electronic device 200 may include a radome cover 201, a RU housing 203, a digital unit or distributed unit (DU) cover 205, and an RU module 210.
- the RU module 210 may include an antenna module 213 and a RU board 215.
- RF components for the antenna module 213 may be placed on the RU board 215.
- RF components may include at least one of a connector to provide power, a DC/DC converter, a field programmable gate array (FPGA), an LDO regulator, or a local oscillator (LO).
- the RU module 210 may include an antenna module including an additional resonator disposed together with a radiator according to embodiments of the present disclosure, which will be described later.
- the substrate on which the antenna module 213 is placed may be referred to as an antenna board, antenna substrate, radiation substrate, radiation board, or RF board.
- the substrate on which the antenna module 213 is placed may be a printed circuit board (PCB).
- the substrate on which the antenna module 213 is disposed may be a flexible PCB (FPCB).
- the RU board 215 is referred to as a main board, main substrate, power board, mother board, package board, or filter board. It can be.
- the RU module 210 may be referred to as a baseband unit (BBU) or baseband equipment.
- BBU baseband unit
- AU access unit
- compact macro compact macro
- the electronic device 200 may include a DU module 220.
- the DU module 220 may include an interface board 221, a modem board 223, and a CPU board 225.
- the electronic device 200 may include a power module 230, a GPS 240, and a DU housing 250.
- the DU module 220 may be referred to as a radio unit (RU) or a remote radio head (RRH).
- the housing 250 represents the electronic device 200 as viewed from above.
- Reference numbers 261, 263, 265, and 267 represent views of the electronic device 200 from the left, front, right, and rear sides, respectively.
- Reference numeral 270 represents a view of the electronic device 200 from below.
- An electronic device may include an access unit.
- the access unit may include RU 310, DU 320, and DC/DC modules.
- the RU 310 according to embodiments of the present disclosure may represent, for example, an assembly in which antennas and RF components are mounted.
- DU 320 according to embodiments of the present disclosure is configured to process digital wireless signals, encrypt digital wireless signals to be transmitted to RU 310, or decode digital wireless signals received from RU 310. It can be configured.
- the DU 320 may be configured to communicate with an upper node (e.g., centralized unit (CU)) or core network (e.g., 5GC, EPC) by processing packet data.
- an upper node e.g., centralized unit (CU)
- core network e.g., 5GC, EPC
- the RU 310 may include a plurality of antenna elements.
- RU 310 may include one or more array antennas.
- the array antenna may be configured as a planar antenna array.
- An array antenna can correspond to one stream.
- An array antenna may include a plurality of antenna elements corresponding to one transmission path (or reception path).
- an array antenna may include 256 antenna elements configured as 16 x 16.
- RU 310 may include RF chains for processing signals from each array antenna.
- RF chains may be referred to as 'RFA'.
- the RFA may include RF components (e.g., phase shifter, power amplifier) and mixer for beamforming.
- the mixer of the RFA may be configured to downconvert an RF signal at an RF frequency to an intermediate frequency or upconvert a signal at an intermediate frequency to a signal at an RF frequency.
- one set of RF chains may correspond to one array antenna.
- RU 310 may include four RF chain sets for four array antennas. Multiple RF chains can be connected to the transmit path or receive path through a divider (e.g. 1:16).
- RF chains may be implemented with a radio frequency integrated circuit (RFIC).
- the RFIC can process and generate RF signals supplied to a plurality of antenna elements.
- the RU 310 may include a digital analog front end (DAFE) and 'RFB'.
- DAFE can be configured to convert between digital and analog signals.
- RU 310 may include two DAFEs (DAFE #0, DAFE #1).
- the DAFE may be configured, in the transmit path, to upconvert a digital signal (e.g., DUC) and convert the upconverted signal to an analog signal (e.g., DAC).
- the DAFE may be configured in the receive path to convert analog signals to digital signals (e.g., ADC) and downconvert digital signals (e.g., DDC).
- the RFB may include mixers and switches corresponding to the transmit and receive paths.
- the mixer of the RFB may be configured to upconvert a baseband frequency to an intermediate frequency or downconvert an intermediate frequency signal to a baseband frequency signal.
- the switch can be configured to select either a transmit path or a receive path.
- RU 310 may include two RFBs (RFB #0, RFB #1).
- the RU 310 may include a controller (e.g., including control and/or processing circuitry) and/or a field programmable gate array (FPGA).
- FPGA may represent, for example, a semiconductor device containing designable logic elements and programmable internal circuitry. Communication with the DU 320 can be performed through SPI (Serial Peripheral Interface) communication.
- the RU 310 may include an RF local oscillator (LO).
- the RF LO can be configured to supply a reference frequency for upconversion or downconversion.
- the RF LO may be configured to provide a frequency for up-conversion or down-conversion of the RFB described above.
- the RF LO can supply a reference frequency to RFB #0 and RFB #1 through a 2-way divider.
- the RF LO may be configured to provide frequencies for up-conversion or down-conversion of the RFA described above.
- the RF LO can supply a reference frequency to each RFA (eight in each RF chain, per polarization group) through a 32-way divider.
- the RU 310 may include a DAFE block 311, an IF up/down conversion unit 313, a beamformer 315, an array antenna 317, and a control block 319.
- the DAFE block 311 can convert a digital signal into an analog signal or convert an analog signal into a digital signal.
- the IF up/down conversion unit 313 may correspond to RFB.
- the IF up/down converter 313 may convert a baseband frequency signal into an IF frequency signal or convert an IF frequency signal into a baseband frequency signal based on the reference frequency supplied from the RF LO.
- Beamformer 315 may respond to RFA.
- the beamformer 315 may convert a signal at an RF frequency into a signal at an IF frequency or convert a signal at an IF frequency into a signal at an RF frequency based on the reference frequency supplied from the RF LO.
- the array antenna 317 may include a plurality of antenna elements. Each antenna element of the array antenna 317 may be configured to radiate a signal processed through RFA. The array antenna 317 may be configured to perform beamforming according to the phase applied by the RFA.
- the control block 319 may control each block of the RU 310 to perform commands from the DU 320 and the signal processing described above.
- the base station 110 is shown as an example of the electronic device 200 in FIGS. 2A, 2B, 3A, and 3B, embodiments of the present disclosure are not limited to the base station 110. Embodiments of the present disclosure can be applied to any electronic device for emitting radio signals as well as a base station composed of DU and RU.
- embodiments of the present disclosure include a radiator (e.g., patch antenna) instead of placing an additional FPCB and pillar (e.g., SUS (stainless)) on the radiator.
- a module e.g., antenna module or RU module in which additional resonators are disposed on an included substrate (e.g., PCB or FPCB) and an electronic device including the same.
- FIG. 4 is a diagram illustrating an example of a radio unit (RU) module of an electronic device according to embodiments.
- the RU module e.g., RU module 220 of an electronic device (e.g., electronic device 200) is a substrate (hereinafter referred to as first substrate) (e.g., PCB, FPCB) on which the antennas of the antenna module are mounted. and a board (hereinafter referred to as a second board) (eg, PCB) on which antenna modules and components for signal processing (eg, connector, DC (direct current)/DC converter, DFE) are mounted, are placed separately.
- the first substrate may be referred to as an antenna board, antenna substrate, radiation substrate, radiation board, or RF board.
- the second board may be referred to as an RU board, main board, power board, mother board, package board, or filter board.
- the second substrate is referred to and described as the RU board 410.
- the RU board 410 may include components for signal transmission to a radiator (eg, an antenna).
- one or more first substrates may be disposed on the RU board 410.
- the RU board 410 may include an antenna substrate 420 for a first frequency band (e.g., 28 GHz band) and an antenna substrate 430 for a second frequency band (e.g., 39 GHz band). That is, one or more array antennas may be mounted on the RU board 410.
- two array antennas may be mounted on the RU board 410.
- two antenna modules that is, array antennas supporting two frequency bands, are illustrated, but embodiments of the present disclosure are not limited thereto.
- two array antennas may be placed for each band, and the array antennas mounted on the RU board 410 may be configured to support 2-transmit 2-receive (2T2R).
- the RU board 410 may include components for supplying RF signals to the antenna.
- the RU board 410 may include one or more radio frequency programmable gain amplifiers (FPGAs) 451. Additionally, for example, the RU board 410 may include one or more local oscillators (LO) 453. LO 453 can be used to supply a reference frequency for up-conversion or down-conversion in an RF system.
- the RU board 410 may include one or more DC/DC converters 455.
- the DC/DC converter 455 can be used to convert direct current to direct current.
- the RU board 410 may include one or more connectors 460. Connector 460 may be used to transmit electrical signals.
- the RU board 410 may further include various components for signal processing.
- the RU board 410 may include one or more dividers. Dividers can be used to distribute and multi-path the input signal. Additionally, for example, the RU board 410 may include one or more low-dropout regulators (LDOs). LDO can be used to suppress external noise and supply power. Additionally, for example, the RU board 410 may include one or more voltage regulator modules (VRMs). For example, a VRM may represent a module for ensuring that an appropriate voltage is maintained. Additionally, for example, the RU board 410 may include one or more digital front ends (DFEs). Additionally, for example, the RU board 410 may include one or more intermediate frequency (IF) processing units. Additionally, for example, the RU board 410 may include an RF filter for filtering signals. Meanwhile, with the configuration shown in FIG. 4, some of the components shown in FIG. 4 may be omitted or a greater number of components may be mounted.
- VRMs voltage regulator modules
- a VRM may represent a module for ensuring that an appropriate voltage is maintained.
- FIG. 5A is a cross-sectional view showing an example of a stacked structure of a RU module according to embodiments.
- the RU module e.g., RU module 220
- the RU module may include an antenna module (e.g., antenna module 213) and an RU board (e.g., RU board 215).
- the RU module 220 may include a second substrate 510 corresponding to the RU board 215 .
- the RU module 220 may include a first substrate 530 corresponding to the antenna board of the antenna module 213.
- the first substrate 530 may include an radiator 535.
- the radiator 535 may be disposed on one side of the first substrate 530.
- the first substrate 530 may be electrically connected to the second substrate 510.
- the first substrate 530 may be electrically connected to the second substrate 510 through an adhesive member 525 .
- the first substrate 530 may be disposed on an adhesive layer (eg, adhesive member 525) laminated on one side of the second substrate 510.
- the first substrate 530 may be electrically connected to the second substrate 510 through a grid array (eg, ball grid array (BGA), land grid array (LGA)).
- the first substrate 530 may be referred to as an antenna board, antenna substrate, radiation substrate, radiation board, or RF board.
- the second board 510 may be referred to as a main board, main board, power board, mother board, package board, or filter board.
- the second substrate 510 may be electrically connected to an RF processing unit (eg, RFA 515).
- RFA 515 an RF processing unit
- FIG. 5A it is shown as an RFA 515, but the implementation can be modified to be electrically connected to a separate board (eg, PCB) on which the RFIC is mounted (eg, BGA).
- the second substrate 510 may include a power feeder to transmit signals received from the RF processing unit to the radiator.
- the second substrate 510 may include a via hole 520 (eg, low-cost flame retardant (FR)-4) and a feed line 521. Signals received through the via hole 520 and the feed line 521 may be transmitted to the first substrate 530 of the antenna module through the coupling pad 523.
- FR low-cost flame retardant
- the coupling pad 523 of the second substrate 510 may be coupled to the coupling pad 531 of the first substrate 530.
- An RF-processed signal (hereinafter referred to as an RF signal) may be transmitted to the coupling pad 531 of the first substrate 530 through the coupling pad 523 of the second substrate 510 .
- the feed line 521 is depicted as being disposed on a layer (eg, top layer) of the second substrate 510, but embodiments of the present disclosure are not limited thereto.
- the feed line 521 may also be disposed on a layer (eg, bottom layer) of the first substrate 530.
- the first substrate 530 may be a flexible PCB (FPCB). Additionally, according to one embodiment, the first substrate 530 may be a PCB.
- the first substrate 530 includes a coupling pad 531 and a feed hole to receive a signal transmitted from the second substrate 510 or to transmit a signal received through a wireless channel to the second substrate 510. It may include (533), and an emitter (535).
- an electronic device eg, electronic device 200
- the coupling pad 531 may obtain an RF signal through coupling power supply from the coupling pad 523 of the second substrate 510.
- the coupling pad 531 can transmit an RF signal to the radiator 535 through the feeding hole 533.
- the emitter 535 may radiate RF signals into the air.
- the first substrate 530 may include one or more resonators in addition to the radiator 535.
- the fact that the first substrate 530 includes a resonator may indicate that the resonator is mounted on the inner layer of the first substrate 530 or that the resonator is disposed on one surface of the first substrate 530.
- the one or more resonators may include a resonator 540a, a resonator 540b, a resonator 540c, and a resonator 540d.
- the one or more resonators are not located on a separate board (e.g., FPCB using SUS), but are placed on the first board 530 on which the radiator 535 is mounted. It can be.
- the one or more resonators may function as an array together with the radiator 535.
- the one or more resonators may be disposed on the same layer as the radiator 535. That is, the radiator 535 and the one or more resonators may be located on the same single layer of the first substrate 530. Additionally, according to one embodiment, the one or more resonators may be disposed in a layer adjacent to the layer where the radiator 535 is disposed. For example, when the radiator 535 is disposed on the highest layer (hereinafter, L1 (layer 1)) of the first substrate 530, the one or more resonators are disposed on the layer on which the first substrate 530 is disposed. It can be placed on a level one or two levels lower (e.g. L2, L3).
- L1 layer 1
- the one or more resonators are connected to the first substrate ( 530) may be placed on the highest floor (e.g., L1).
- the one or more resonators are disposed in a layer adjacent to the layer where the radiator 535 is disposed is described in detail with FIGS. 6, 7A, 7B, and 7C.
- FIG. 5b is a cross-sectional view showing an example of a radiator and a resonator of a RU module according to embodiments.
- the RU module e.g., RU module 220
- the RU module may include an antenna module (e.g., antenna module 213) and an RU board (e.g., RU board 215).
- FIG. 5A may be referred to.
- the first substrate 530 uses a coupling pad to receive a signal transmitted from the second substrate 510 or to transmit a signal received through a wireless channel to the second substrate 510. It may include (531), a feeding hole (533), and a radiator (535).
- the first substrate 530 may be electrically connected to a second substrate (eg, second substrate 510) through an adhesive member 525.
- the coupling pad 531 of the first substrate 530 may receive an RF signal coupled through the coupling pad 523 of the ground layer 550 of the second substrate 510. You can.
- the first substrate 530 may include a coating layer 570.
- the bandwidth is increased.
- a resonator e.g., a resonator 540a, a resonator 540b, a resonator 540c, and a resonator 540d
- the bandwidth is increased.
- the resonator 540b will be described as an example.
- bandwidth expansion may refer to, for example, an increase in the frequency range of signals that can be communicated. As the thickness of the substrate (eg, the first substrate 530) increases, the bandwidth can be expanded. Expansion of bandwidth may indicate, for example, a broadening of the range of frequencies that provide gain above a certain value. For example, bandwidth and substrate thickness can be expressed by the following equation.
- BW may represent bandwidth
- h may represent the thickness of the substrate.
- L represents the length of the antenna (e.g. patch antenna), and W represents the width of the antenna.
- the size of the resonator 540b may represent, for example, the planar width of the resonator 540b.
- the area of the square may correspond to the size of the resonator 540b.
- the size of the resonator 540b may be related to the resonant frequency of the resonator 540b. The closer the resonant frequency of the resonator 540b is to the resonant frequency of the radiator 535, the wider the bandwidth can be formed.
- the difference between the size of the resonator 540b and the size of the radiator 535 may be within a critical range so that the resonant frequencies are adjacent to each other.
- Gain coefficient may indicate, for example, an increase in signal strength and an increase in reach.
- Gain improvement due to the resonator 540b can be achieved by causing constructive interference between the signal of the radiator 535 and the signal due to the resonator 540b.
- the thickness of the substrate eg, first substrate 530
- the gain may increase. That is, the smaller the thickness of the first substrate 530, the smaller the change in the reflection phase of the signal.
- the smaller the size of the resonator 540b the better the gain improvement effect. For example, when the reflection phase of the resonator 540b is 0 degrees, maximum gain can be achieved. The thinner the thickness and the smaller the size, the closer the reflection phase can be to 0 degrees.
- bandwidth expansion and gain improvement may have a trade-off relationship.
- the size of the resonator 540b may depend on the height of the first substrate 530.
- the resonators are all of the same size and arranged at equal intervals, but embodiments of the present disclosure are not limited thereto.
- the size of a resonator relatively close to the radiator may be larger than the size of a resonator relatively distant from the radiator.
- the gap between a resonator adjacent to the radiator and the radiator or the gap between the radiator and adjacent resonators may be wider than the gap between the radiator and relatively distant resonators.
- FIG. 6 is a cross-sectional view showing an example of a stacked structure of a RU board and an antenna board according to embodiments.
- the RU module e.g., RU module 220
- the RU module may include an antenna module (e.g., antenna module 213) and a RU board (e.g., RU board 215) for placement of the antenna module 213.
- the antenna board may represent, for example, a board (eg, PCB) on which an antenna module is placed.
- the RU module 220 may include a second substrate 610 corresponding to the RU board 215 .
- the RU module 220 may include a first substrate 630 corresponding to the antenna board.
- the first substrate 630 may include an radiator.
- the first substrate 630 may be electrically connected to the second substrate 610.
- the first substrate 630 may be electrically connected to the second substrate 610 through a grid array (eg, ball grid array (BGA) 625, land grid array (LGA)).
- BGA ball grid array
- LGA land grid array
- the first substrate 630 may be referred to as an antenna board, antenna substrate, radiation substrate, radiation board, or RF board.
- the second board 610 may be referred to as a main board, main board, power board, mother board, package board, or filter board.
- the second substrate 610 may be connected to an RF processing unit (eg, RFA, RFIC) (not shown).
- the second substrate 610 may include a via hole 620 (eg, low-cost flame retardant (FR)-4) and a coupling pad 623. Signals received through the via hole 620 may be transmitted to the first substrate 630 of the antenna module through the coupling pad 623.
- the coupling pad 629 may obtain an RF signal through coupling power supply from the coupling pad 623 of the second substrate 610.
- the first substrate 630 may be a PCB.
- One or more first substrates 630 may be disposed on the second substrate 610 .
- Antenna elements of an array antenna may be disposed on each first substrate 630.
- the antenna element corresponds to the radiator 640.
- the first substrate 630 includes a coupling pad 629 and a feed line ( 631), a feeding hole 633, a feeding pad 635, and a radiator 640.
- an electronic device eg, electronic device 200
- the coupling pad 629 may obtain an RF signal through coupling power supply from the coupling pad 623 of the second substrate 610.
- the coupling pad 629 can transmit an RF signal to the radiator 640 through the feed line 631, the feed hole 633, and the feed pad 635.
- the emitter 640 may radiate RF signals into the air.
- the first substrate 630 may include one or more resonators in addition to the radiator 640.
- the one or more resonators are not disposed on a separate substrate (e.g., FPCB using SUS), but on the first substrate 610, which is a PCB on which the antenna module is disposed. can be placed.
- the one or more resonators may function as an array together with the radiator 640.
- FIGS. 7A, 7B, and 7C examples of the arrangement between the resonators and the radiator 640 are described through FIGS. 7A, 7B, and 7C.
- the feed line 621 is shown as being disposed on a layer of the first substrate 630, but embodiments of the present disclosure are not limited thereto.
- the feed line 621 may be disposed on a layer (eg, top layer) of the second substrate 610.
- the resonators are all described as having the same size and being disposed at equal intervals, but embodiments of the present disclosure are not limited thereto.
- the size of a resonator that is relatively close to the radiator may be larger than the size of a resonator that is relatively far away from the radiator.
- the gap between the radiator and a resonator adjacent to the radiator or the gap between the radiator and adjacent resonators may be wider than the gap between the radiator and relatively distant resonators.
- FIGS. 7A, 7B, and 7C are cross-sectional views showing examples of antenna boards including resonators according to embodiments.
- An antenna module e.g., antenna module 213 may be mounted on an antenna board.
- antenna board To describe various designs and deployments of an antenna board, reference may be made to FIG. 6.
- the RU module 220 may include a first substrate 730 corresponding to the antenna board.
- the first substrate 730 may include a feed line 731, a feed hole 733, and an radiator 740 to transmit an RF signal through a wireless channel or process a signal received through a wireless channel. there is.
- the first substrate 730 includes, in addition to the radiator 740, a plurality of resonators (e.g., a resonator 751a, a resonator 751b, a resonator 751c, a resonator 753a, Includes resonator 753b, resonator 753c, resonator 755a, resonator 755b, resonator 755c, resonator 757a, resonator 757b, and 757c) can do.
- a plurality of resonators e.g., a resonator 751a, a resonator 751b, a resonator 751c, a resonator 753a, Includes resonator 753b, resonator 753c, resonator 755a, resonator 755b, resonator 755c, resonator 757a, resonator 757b, and 757c
- a group of resonators e.g., a resonator 753a, a resonator 753b, a resonator 753c, a resonator 755c, a resonator 757a,
- the resonator 757b and the resonator 757c may be disposed on a layer (eg, L1) higher than the layer (eg, L2) on which the radiator 740 of the first substrate 730 is disposed.
- different groups of resonators may be disposed on a lower layer (eg, L3) than the layer (eg, L2) on which the radiator 740 of the first substrate 730 is disposed.
- the bandwidth can be expanded.
- the resonance frequency of each resonator is disposed adjacent to the resonance frequency of the radiator 740, a frequency range with a low reflection coefficient can be formed widely.
- the gain of the wireless signal can be improved by coupling the signal of the radiator 740 through the plurality of resonators.
- a plurality of resonators may be placed in a layer different from the layer where the radiator 740 is located.
- resonators e.g., resonators 753a, 753b, 753c, 755c, etc.
- resonators 753a, 753b, 753c, 755c, etc. are placed on one side of the radiating first substrate 730. (757a), resonator 757b, and resonator 757c) may be disposed.
- additional resonators e.g., resonator 751a, resonator 751b, resonator 751c, A sieve 755a, a resonator 755b, and a resonator 755c may be disposed.
- a resonator disposed on one side and a resonator disposed on another layer may be disposed to face each other.
- the resonator 753b and the resonator 755b may be disposed at the same location within the layer.
- the RU module 220 may include a first substrate 730 corresponding to the antenna board.
- the first substrate 730 may include a feed line 731, a feed hole 733, and an radiator 740 to transmit an RF signal through a wireless channel or process a signal received through a wireless channel. there is.
- FIG. 7A For the first substrate 730 and related components in FIG. 7B, reference may be made to the description of FIG. 7A.
- the first substrate 730 includes, in addition to the radiator 740, a plurality of resonators (e.g., a resonator 753a, a resonator 753b, a resonator 753c, a resonator 757a, It may include a resonator 757b and a resonator 757c.
- the plurality of resonators may be disposed on a layer (eg, L1) higher than the layer (eg, L2) on which the radiator 740 of the first substrate 730 is disposed. Through the plurality of resonators, the bandwidth can be expanded.
- the signal of the radiator 740 is coupled through the plurality of resonators, thereby improving the gain of the wireless signal.
- resonators e.g., resonator 753a, resonator 753b, resonator 753c, resonator 757a, resonator 757b, resonator The body 757c
- resonators can be placed only on a higher layer than the radiator 740. Due to the resonators disposed inside the first substrate 730, the manufacturing cost of the first substrate 730 may increase. Additionally, performance may be reduced due to misalignment of the resonators. Accordingly, by disposing resonators on one side of the first substrate 730, the required gain and the required bandwidth of the radiator 740 of the first substrate can be satisfied.
- the RU module 220 may include a first substrate 730 corresponding to the antenna board.
- the first substrate 730 may include a feed line 731, a feed hole 733, and an radiator 740 to transmit an RF signal through a wireless channel or process a signal received through a wireless channel. there is.
- FIG. 7A For the first substrate 730 and related components in FIG. 7C, reference may be made to the description of FIG. 7A.
- the first substrate 730 includes, in addition to the radiator 740, a plurality of resonators (e.g., a resonator 751a, a resonator 751b, a resonator 751c, a resonator 755a, It may include a resonator 755b and a resonator 755c.
- the plurality of resonators may be disposed on a lower layer (eg, L3) than the layer (eg, L2) of the first substrate 730 where the radiator 740 is disposed.
- a plurality of resonators may be disposed on the inner layer of the first substrate 730. Through the plurality of resonators, the bandwidth can be expanded.
- the signal of the radiator 740 is coupled through the plurality of resonators, thereby improving the gain of the wireless signal.
- resonators e.g., resonator 751a, resonator 751b, resonator 751c, resonator 755a, resonator 755b
- the resonator 755c can be placed only on a lower layer than the radiator 740.
- resonators may be previously positioned inside the first substrate 730 . When manufacturing the first substrate 730, resonators are designed in advance, so process errors can be reduced.
- signal gain can be improved through the radiator 740 disposed on the first substrate 730.
- High performance e.g. expanded bandwidth, improved gain
- the required gain and required bandwidth of the radiator 740 of the first substrate 730 can be satisfied through the resonators disposed inside the first substrate 730.
- the resonators and the radiator are shown as being formed in different layers, but embodiments of the present disclosure are not limited thereto. That is, the embodiment shown in FIG. 5A and the embodiment shown in FIG. 6 can be combined.
- at least one of the resonators may be located on the same layer as the radiator, and at least another one of the resonators may be located on a layer adjacent to the layer of the radiator.
- the resonators are all described as having the same size and being disposed at equal intervals, but embodiments of the present disclosure are not limited thereto.
- the size of a resonator that is relatively close to the radiator may be larger than the size of a resonator that is relatively far away from the radiator.
- the gap between the radiator and a resonator adjacent to the radiator or the gap between the radiator and adjacent resonators may be wider than the gap between the radiator and relatively distant resonators.
- Figure 8 is a cross-sectional view showing an example of an array antenna according to embodiments.
- the array antenna 800 may be placed on the RU board (eg, RU board 215) of the RU module (eg, RU module 220).
- the RU board 215 may be referred to as a main board, power board, mother board, package board, or filter board.
- a plurality of PCBs (eg, 6 PCBs) for the array antenna 800 may be placed on the RU board 215.
- Each PCB of the plurality of PCBs may correspond to a first substrate (eg, first substrate 530, first substrate 630, first substrate 730, hereinafter, first substrate 730).
- the first substrate shown in FIGS. 5A to 7C is for explaining the stacked structure.
- the first substrate 730 may include a plurality of radiators and a plurality of resonators.
- sub-arrays included in the first substrate 730 will be described.
- the array antenna 800 may include a first sub-array 810, a second sub-array 820, a third sub-array 830, and a fourth sub-array 840.
- the first sub-array 810, second sub-array 820, third sub-array 830, and fourth sub-array 840 may be disposed on the first substrate 730.
- the first sub-array 810 may include four radiation areas (eg, a radiation area 811a, a radiation area 811b, a radiation area 811c, and a radiation area 811d).
- Each radiation area within the first sub-array 810 may include one or more radiators (eg, four radiators).
- the second sub-array 820 may include four radiation areas (eg, a radiation area 821a, a radiation area 821b, a radiation area 821c, and a radiation area 821d). Each radiation area of the second sub-array 820 may include one or more radiators (eg, four radiators).
- the third sub-array 830 may include four radiation areas (eg, a radiation area 831a, a radiation area 831b, a radiation area 831c, and a radiation area 831d). Each radiation area in the third sub-array 830 may include one or more radiators (eg, four radiators).
- the fourth sub-array 840 may include four radiation areas (eg, a radiation area 841a, a radiation area 841b, a radiation area 841c, and a radiation area 841d). Each radiation area in the fourth sub-array 840 may include one or more radiators (eg, four radiators).
- the layer where the resonators are disposed and the layer where the radiation area is disposed may be different from each other.
- at least some of the resonators may be disposed on a higher layer (eg, L1) than the radiator layer (eg, L2) within the antenna substrate.
- at least some of the resonators may be disposed on a lower layer (eg, L2) than the radiator layer (eg, L1) within the antenna substrate.
- embodiments of the present disclosure are not limited thereto.
- at least some of the resonators may be disposed on the same layer as the radiator.
- the size of a resonator that is relatively close to the radiator may be larger than the size of a resonator that is relatively far away from the radiator.
- the gap between the radiator and a resonator adjacent to the radiator or the gap between the radiator and adjacent resonators may be wider than the gap between the radiator and relatively distant resonators.
- the spacing between resonators between sub-arrays or the area of each resonator may be different.
- the spacing between resonators or the area of each resonator may vary.
- FIGS. 9A, 9B, and 9C are diagrams showing examples of radiation areas including a radiator and a resonator according to embodiments.
- FIG. 9A a perspective view 900 of the radiation area of an antenna module (e.g., antenna module 213) is shown.
- the radiation area may include an radiator 910 and a resonator 920.
- the radiation area may include a radiation pattern 935.
- the radiation pattern 935 may include a plurality of resonators and a plurality of radiators.
- the radiation pattern 933 of the antenna module is, within 16 radiators and an antenna substrate (e.g., first substrate 530, first substrate 630, first substrate 730), the 16 It may include a grid array formed within the station excluding the area where the radiators are arranged.
- a partial area 931 of the radiation pattern 935 may include a circular patch radiator 910 and a square-shaped resonator 920.
- one region 950 of the radiation pattern 935 may include a radiator 960 and a resonator 970.
- resonators eg, resonator 970
- the resonators may be arranged to surround the radiator 960.
- the resonators may be arranged to form a grid array around the radiator 960.
- other resonators may be arranged at uniform intervals.
- the spacing between resonators may vary depending on the proximity to the radiator. For example, a gap between a first resonator that is relatively close to the radiator and the radiator may be longer than a gap between the first radiator and a second resonator that is relatively distant from the radiator. For another example, the gap between the first resonator and the radiator may be shorter than the gap between the second resonator and the first radiator.
- FIG. 9D is a graph showing an example of performance depending on the size of an antenna board according to embodiments.
- the antenna board eg, first substrate 530, first substrate 630, and first substrate 730
- the antenna board may include a radiator and a resonator.
- Graph 980 shows the relationship between gain depending on the size of the resonator.
- the horizontal axis 981 of the graph 980 represents frequency (unit: GHz), and the vertical axis 982 represents gain (unit: dB (decibel)).
- Lines can be distinguished based on resonator size.
- the first line represents the gain for each frequency when the size of the resonator is about 1.2 mm.
- the second line represents the gain for each frequency when the size of the resonator is about 1.6mm.
- the third line represents the gain for each frequency when the size of the resonator is about 2 mm.
- the fourth line represents the gain for each frequency when the size of the resonator is about 2.4mm. It can be seen that the smaller the size of the resonator, the improved the gain.
- FIG. 10A is a diagram illustrating examples of radiation depending on the presence or absence of a resonator according to embodiments.
- the first radiation surface 1001 represents one side of the antenna substrate including only radiators without additional resonators.
- the second radiation surface 1003 represents one side of the antenna substrate (eg, first substrate 530, first substrate 630, and first substrate 730) on which additional resonators are disposed along with the radiator.
- FIGS. 10B to 10C indicators of performance improvement according to the presence or absence of additional resonators are described.
- Figure 10b is a graph showing an example of reflection loss depending on the presence or absence of a resonator according to embodiments.
- graph 1010 shows return loss according to frequency.
- the horizontal axis 1011 of the graph 1010 represents frequency (unit: GHz), and the vertical axis 1013 represents return loss (unit: dB (decibel)).
- the first line 1020 represents the reflection loss according to the antenna substrate on which the metal SUS is mounted.
- the second line 1025 represents the reflection loss according to the antenna substrate (eg, first substrate 530, first substrate 630, and first substrate 730) including the resonator. It can be confirmed that the RU module 220 provides bandwidth expansion compared to the RU module including the existing metal SUS by expanding the area that provides gain of a certain amount (e.g., -5 dB) or more.
- a certain amount e.g., -5 dB
- FIG. 10C is a graph showing examples of gain depending on the presence or absence of a resonator according to embodiments.
- graph 1030 shows gain according to frequency.
- the horizontal axis 1031 of the graph 1030 represents frequency (unit: GHz), and the vertical axis 1033 represents gain (unit: dB).
- the first line 1040 represents the gain according to the antenna substrate on which the metal SUS is mounted.
- the second line 1045 represents the gain according to an antenna substrate including a resonator, such as the first substrate 530, the first substrate 630, and the first substrate 730.
- FIG. 11 includes diagrams and graphs illustrating examples of performance of a RU module including a resonator according to embodiments.
- the antenna module of the RU module may include a plurality of radiators and a plurality of resonators.
- one area 1100 of the antenna module includes 16 radiators and an antenna substrate (e.g., first substrate 530, first substrate 630, first substrate 730), the 16 It may include a grid array formed within an area excluding the area where the radiators are arranged.
- Graph 1120 shows directivity and gain according to frequency.
- the horizontal axis 1121 of the graph 1120 represents frequency (unit: GHz), and the vertical axis 1123 represents directivity or gain (unit: dB).
- the first line 1131a indicates directivity.
- the second line 1131b represents the gain.
- the RU module 220 can provide improved gain and high efficiency through an antenna substrate containing a radiator and a resonator.
- Graph 1140 represents cross polarization ratio (CPR) performance according to frequency.
- the horizontal axis 1141 of the graph 1140 represents frequency (unit: GHz), and the vertical axis 1143 represents gain (unit: dB).
- the first line 1151a represents a cross-polarization (X-pol) component, and the second line 1151b represents a co-polarization (co-pol) component.
- the RU module 220 can provide improved CPR through an antenna substrate including a radiator and a resonator.
- FIG. 12 is a diagram showing an example of the arrangement of a RU module including a resonator according to embodiments.
- FIG. 4 may be referred to. Separation distances between antennas can be confirmed in one area 1200 of the RU module 220.
- An antenna board for a first frequency band eg, 28 GHz band
- an antenna board for a second frequency band eg, 39 GHz band
- the RU module 220 uses a single substrate (e.g., first substrate 530, first substrate 630) including a radiator and a resonator, without an antenna design using a metal pillar and an FPCB. , a wireless signal can be transmitted through the first substrate 730).
- a single substrate e.g., first substrate 530, first substrate 630
- a radiator and a resonator without an antenna design using a metal pillar and an FPCB.
- a wireless signal can be transmitted through the first substrate 730).
- the separation distances between antennas in one area 1200 of the RU module 220 e.g., the first separation distance 1201, the second separation distance 1203, and the third separation distance 1205). , the fourth separation distance 1207) can be confirmed. Due to the reduction in separation distances, implementation of the antenna module design including the resonator of the present disclosure can be confirmed.
- FIG. 13 is a diagram illustrating an example functional configuration of an electronic device including a RU module according to embodiments.
- the base station 110 is exemplified as an electronic device, but of course it can also be applied to the terminal 120.
- the base station 110 may be base station equipment that supports mmWave communication (e.g., Frequency Range 2 of 3GPP). Not only the antenna module itself mentioned through FIGS. 1 to 12 but also electronic devices including the same are included in embodiments of the present disclosure.
- the electronic device 1110 may include RF equipment in which a resonator is disposed on a layer adjacent to the radiator to obtain additional radiation effects.
- the electronic device includes an antenna unit 1311 (e.g., at least one antenna), a power interface unit 1312 (e.g., a power interface circuit), and a radio frequency (RF) processing unit 1313 (e.g., processing circuit) and a control unit 1314 (e.g., control circuit).
- antenna unit 1311 e.g., at least one antenna
- power interface unit 1312 e.g., a power interface circuit
- RF radio frequency
- control unit 1314 e.g., control circuit
- the antenna unit 1311 may include multiple antennas.
- the antenna unit 1311 may include an antenna module.
- the antenna of the antenna module performs functions for transmitting and receiving signals through a wireless channel.
- the antenna may include a radiator made of a conductor or conductive pattern formed on a substrate (e.g., PCB, PFCB).
- the antenna can radiate an up-converted signal on a wireless channel or acquire a signal radiated by another device.
- Each antenna may be referred to as an antenna element or antenna element.
- the antenna unit 1311 may include an antenna array in which a plurality of antenna elements form an array. According to embodiments of the present disclosure, the antenna unit 1311 may additionally include one or more resonators in addition to the radiator corresponding to the antenna element.
- the one or more resonators may be disposed on or inside the substrate on which the antenna elements are disposed. According to one embodiment, the one or more resonators may be disposed on the same layer as the radiator. According to one embodiment, the one or more resonators may be disposed on a layer adjacent to the layer where the radiator is disposed.
- the antenna unit 1311 may be electrically connected to the power interface unit 1312 through RF signal lines. The antenna unit 1311 may provide a received signal to the power interface unit 1312 or radiate a signal provided from the power interface unit 1312 into the air.
- the power interface unit 1312 may include modules and components including various power interface circuits.
- the power interface unit 1312 may include one or more IFs.
- the power interface unit 1312 may include one or more LOs.
- the power interface unit 1312 may include one or more LDOs.
- the power interface unit 1312 may include one or more DC/DC converters.
- the power interface unit 1312 may include one or more DFEs.
- the power interface unit 1312 may include one or more FPGAs.
- the power interface unit 1312 may include one or more connectors.
- the power interface unit 1312 may include a power supply.
- the power interface unit 1312 may include areas for mounting one or more antenna modules.
- the power interface unit 1312 may include a plurality of antenna modules to support MIMO communication.
- An antenna module according to the antenna unit 1311 may be mounted in the corresponding area.
- the power interface unit 1312 may include a filter.
- the filter can perform filtering to transmit a signal of a desired frequency.
- the power interface unit 1312 may include a filter.
- a filter can perform a function to selectively identify frequencies by forming a resonance.
- the power interface unit 1312 may include at least one of a band pass filter, a low pass filter, a high pass filter, or a band reject filter. there is. That is, the power interface unit 1312 may include RF circuits for obtaining signals in a frequency band for transmission or a frequency band for reception.
- the power interface unit 1312 may electrically connect the antenna unit 1311 and the RF processing unit 1313.
- the RF processing unit 1313 may include a plurality of RF processing chains including various processing circuits.
- the RF chain may include multiple RF elements.
- RF devices may include amplifiers, mixers, oscillators, DACs, ADCs, etc.
- the RF processing chain may be implemented with an RFIC.
- the RF processing unit 1313 includes an up converter that upconverts a base band digital transmission signal to a transmission frequency, and a DAC that converts the upconverted digital transmission signal into an analog RF transmission signal. (digital-to-analog converter) may be included.
- the upconverter and DAC form part of the transmit path.
- the transmission path may further include a power amplifier (PA) or coupler (or combiner).
- PA power amplifier
- coupler or combiner
- the RF processing unit 1313 includes an analog-to-digital converter (ADC) that converts an analog RF reception signal into a digital reception signal and a down converter that converts the digital reception signal into a baseband digital reception signal. ) may include.
- ADC analog-to-digital converter
- the ADC and down converter form part of the receive path.
- the receive path may further include a low-noise amplifier (LNA) or coupler (or divider).
- LNA low-noise amplifier
- RF components of the RF processing unit can be implemented on a PCB.
- the base station 110 may include a structure in which an antenna unit 1311, a power interface unit 1312, and an RF processing unit 1313 are stacked in this order. For example, as shown in FIG.
- the first substrate 530, the second substrate 510, and the RFA 515 may be sequentially stacked.
- the antennas, the RF components of the power interface unit, and the RFIC may be implemented on a separate PCB, and filters may be repeatedly fastened between the PCB and the PCB to form a plurality of Layers can be formed.
- the control unit 1314 may include various processing and/or control circuits and control overall operations of the electronic device.
- the control unit 1314 may include various modules for performing communication.
- the control unit 1314 may include at least one processor, such as a modem.
- the control unit 1314 may include modules for digital signal processing.
- the control unit 1314 may include a modem.
- When transmitting data the control unit 1314 generates complex symbols by encoding and modulating the transmission bit string. Additionally, for example, when receiving data, the control unit 1314 restores the received bit stream by demodulating and decoding the baseband signal.
- the control unit 1314 can perform protocol stack functions required by communication standards.
- FIG. 13 describes the functional configuration of an electronic device as equipment that can utilize the antenna module of the present disclosure.
- the example shown in FIG. 13 is only an exemplary configuration for utilization of an antenna module including a radiator and a resonator according to various embodiments of the present disclosure described through FIGS. 1 to 12, and may be used in various embodiments of the present disclosure.
- the embodiments are not limited to the components of the equipment shown in FIG. 13. Accordingly, other antenna equipment including a radiator and a resonator, communication equipment of other configurations, and the antenna structure itself may be understood as being included in various embodiments of the present disclosure.
- a module for wireless communication includes a radiator, a plurality of resonators, a first substrate on which the radiator and the plurality of resonators are disposed, and a power source. It may include a second substrate including a power supply.
- the first substrate may include a plurality of first layers.
- the second substrate may include a plurality of second layers.
- the radiator may be disposed in a radiation layer among the plurality of first layers of the first substrate.
- the plurality of resonators may be disposed in a resonant layer among the plurality of first layers of the first substrate. At least some of the plurality of resonators within the resonance layer may be arranged in a region that is distinct from (eg, does not overlap with) a region where the radiator is arranged within the radiation layer.
- the first substrate may include a printed circuit board (PCB).
- PCB printed circuit board
- BGA ball grid array
- the resonant layer on which the plurality of resonators of the first substrate are disposed may be different from the radiation layer on which the radiator of the first substrate is disposed.
- the plurality of resonators may be disposed at uniform intervals within the resonant layer of the first substrate.
- the plurality of resonators may be arranged so that a grid arrangement is formed in a region of the resonance layer that is different from a region where the radiator is disposed.
- the plurality of resonators may include a first resonator and a second resonator.
- the distance between the radiator and the first resonator may be longer than the distance between the radiator and the second resonator.
- the size of the first resonator may be larger than the size of the second resonator.
- the module may further include a plurality of additional resonators.
- a layer on which the plurality of additional resonators are disposed among the plurality of first layers of the first substrate may be different from the resonant layer.
- the first substrate may include a feed line configured to supply a signal received from the second substrate to the radiator.
- the feed line may be disposed in a feed layer among the plurality of first layers of the first substrate.
- the feeding layer may be disposed closer to the second substrate than the radiation layer and the resonance layer.
- the second substrate may be electrically connected to an RF module including a radio frequency integrated circuit (RFIC).
- the second substrate may include a via hole and a feed line for transmitting the signal received from the RF module to the first substrate.
- the via hole may be formed over at least a portion of the plurality of second layers of the second substrate.
- the first substrate may include a flexible printed circuit board (FPCB).
- the first substrate may be electrically connected through an adhesive.
- the resonant layer on which the plurality of resonators of the first substrate are disposed may be the same as the radiation layer on which the radiator of the first substrate is disposed.
- the first substrate may include a plurality of radiators.
- the plurality of resonators may be arranged to form a grid arrangement in a region of the first substrate that is different from the region where the plurality of radiators are disposed.
- an electronic device in a wireless communication system may include a radome cover, a radio unit (RU) housing, and an RU module.
- the RU module may include an antenna board on which antenna modules are arranged and a RU board including a power supply.
- an antenna module may include a plurality of radiators, a plurality of resonators, and an antenna board on which the radiators and the plurality of resonators are disposed.
- the antenna board may include a plurality of first layers.
- the basic RU board may include a plurality of second layers.
- the radiator may be disposed in a radiation layer among the plurality of first layers of the antenna board.
- the plurality of resonators may be disposed in a resonant layer among the plurality of first layers of the antenna board. At least some of the plurality of resonators within the resonance layer may be disposed in a region that is distinct from (eg, does not overlap with) a region within the radiation layer where the radiator is disposed.
- the antenna board may include a printed circuit board (PCB).
- the antenna board and the RU board may be electrically connected through a ball grid array (BGA).
- BGA ball grid array
- the resonance layer on which the plurality of resonators of the antenna board are disposed may be different from the radiation layer on which the radiators of the antenna board are disposed.
- the plurality of resonators may be disposed at uniform intervals within the resonant layer of the antenna board.
- the plurality of resonators may be arranged so that a grid arrangement is formed in a region of the resonance layer that is different from a region where the plurality of radiators are disposed.
- the plurality of resonators may include a first resonator and a second resonator.
- the distance between the radiator and the first resonator may be longer than the distance between the radiator and the second resonator.
- the size of the first resonator may be larger than the size of the second resonator.
- the antenna module may further include a plurality of additional resonators.
- a layer on which the plurality of additional resonators are disposed may be different from the resonant layer.
- the antenna board may include a feed line configured to supply a signal received from the RU board to a radiator.
- the feed line may be disposed in a feed layer among the plurality of first layers of the antenna board.
- the feeding layer may be disposed closer to the RU board than the radiation layer and the resonance layer.
- the RU board may be electrically connected to an RF module (or RF device) including a radio frequency integrated circuit (RFIC).
- the RU board may include a via hole and a feed line configured to transmit a signal received from the RF module to the antenna board.
- a via hole may be formed over at least a portion of the plurality of second layers of the RU board.
- the antenna board may include a flexible printed circuit board (FPCB).
- the antenna board may be electrically connected through an adhesive.
- the resonance layer on which the plurality of resonators of the antenna board are disposed may be the same as the radiation layer on which the radiators of the antenna board are disposed.
- the antenna board may include a plurality of radiators.
- the plurality of resonators may be arranged to form a grid array in an area of the antenna board that is different from the area where the plurality of radiators are arranged.
- a non-transitory computer-readable storage medium storing one or more programs (software modules) may be provided.
- One or more programs stored in a computer-readable storage medium are configured to be executable by one or more processors in an electronic device (configured for execution).
- One or more programs include instructions that cause the electronic device to execute methods according to embodiments described in the claims or specification of the present disclosure.
- These programs may include random access memory, non-volatile memory, including flash memory, read only memory (ROM), and electrically erasable programmable ROM. (electrically erasable programmable read only memory, EEPROM), magnetic disc storage device, compact disc-ROM (CD-ROM), digital versatile discs (DVDs), or other types of disk storage. It can be stored in an optical storage device or magnetic cassette. Alternatively, it may be stored in a memory consisting of a combination of some or all of these. Additionally, multiple configuration memories may be included.
- non-volatile memory including flash memory, read only memory (ROM), and electrically erasable programmable ROM. (electrically erasable programmable read only memory, EEPROM), magnetic disc storage device, compact disc-ROM (CD-ROM), digital versatile discs (DVDs), or other types of disk storage. It can be stored in an optical storage device or magnetic cassette. Alternatively, it may be stored in a memory consisting of a combination of some or all of these. Additionally, multiple configuration memories may
- the program may be distributed through a communication network such as the Internet, an intranet, a local area network (LAN), a wide area network (WAN), or a storage area network (SAN), or a combination thereof. It may be stored on an attachable storage device that is accessible. This storage device can be connected to a device performing an embodiment of the present disclosure through an external port. Additionally, a separate storage device on a communications network may be connected to the device performing embodiments of the present disclosure.
- a communication network such as the Internet, an intranet, a local area network (LAN), a wide area network (WAN), or a storage area network (SAN), or a combination thereof. It may be stored on an attachable storage device that is accessible. This storage device can be connected to a device performing an embodiment of the present disclosure through an external port. Additionally, a separate storage device on a communications network may be connected to the device performing embodiments of the present disclosure.
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Abstract
Description
Claims (15)
- 무선 통신을 위한 모듈에 있어서,방사체(radiator);복수의 공진체들(resonators);상기 방사체 및 상기 복수의 공진체들이 배치되는 제1 기판(substrate); 및전원 공급부(power supply)를 포함하는 제2 기판을 포함하고,상기 제1 기판은 복수의 제1 레이어들을 포함하고,상기 제2 기판은 복수의 제2 레이어들을 포함하고,상기 방사체는, 상기 제1 기판의 상기 복수의 제1 레이어들 중에서 방사 레이어에서 배치되고,상기 복수의 공진체들은, 상기 제1 기판의 상기 복수의 제1 레이어들 중에서 공진 레이어에서 배치되고,상기 공진 레이어 내에서 상기 복수의 공진체들 중 적어도 일부는, 상기 방사 레이어 내에서 상기 방사체가 배치되는 영역과 다른 영역에서 배치되는,모듈.
- 청구항 1에서,상기 제1 기판은 PCB(printed circuit board)를 포함하고,상기 제1 기판 및 상기 제2 기판은 BGA(ball grid array)를 통해 전기적으로 연결되는,모듈.
- 청구항 1 내지 2에서,상기 제1 기판의 상기 복수의 공진체들이 배치되는 상기 공진 레이어는, 상기 제1 기판의 상기 방사체가 배치되는 상기 방사 레이어와 다른,모듈.
- 청구항 1 내지 3에서,상기 복수의 공진체들은, 상기 제1 기판의 상기 공진 레이어 내에서 균일한 간격으로 배치되는,모듈.
- 청구항 1 내지 4에서,상기 복수의 공진체들은, 상기 공진 레이어의 영역 내에서 상기 방사체가 배치되는 영역과 다른 영역에서, 그리드(grid) 배열(array)이 형성되도록 배치되는,모듈.
- 청구항 1 내지 3에서,상기 복수의 공진체들은 제1 공진체와 제2 공진체를 포함하고,상기 방사체와 상기 제1 공진체의 거리는, 상기 방사체와 상기 제2 공진체의 거리보다 길고,상기 제1 공진체의 크기는, 상기 제2 공진체의 크기보다 큰,모듈.
- 청구항 1 내지 6에서,복수의 추가 공진체들을 더 포함하고,상기 제1 기판의 상기 복수의 제1 레이어들 중에서 상기 복수의 추가 공진체들이 배치되는 레이어는, 상기 공진 레이어와 다른,모듈.
- 청구항 1 내지 7에서,상기 제1 기판은, 상기 제2 기판으로부터 수신된 신호를 상기 방사체에게 공급하도록 구성되는 급전선을 포함하고,상기 급전선은, 상기 제1 기판의 상기 복수의 제1 레이어들 중에서, 급전 레이어에 배치되고,상기 급전 레이어는, 상기 방사 레이어 및 상기 공진 레이어보다 상기 제2 기판과 가깝게 배치되는,모듈.
- 청구항 1 내지 8에서,상기 제2 기판은 RFIC(radio frequency integrated circuit)을 포함하는 RF 모듈과 전기적으로 연결되고,상기 제2 기판은, 상기 RF 모듈로부터 수신된 신호를 상기 제1 기판에 전달하도록 구성되는 비아 홀 및 급전선을 포함하고,상기 비아 홀은 상기 제2 기판의 상기 복수의 제2 레이어들 중에서 적어도 일부에 걸쳐 형성되는,모듈.
- 청구항 1 내지 9에서,상기 제1 기판은 FPCB(flexible printed circuit board)를 포함하고,상기 제1 기판은 접착 부재(adhesive)를 통해 전기적으로 연결되고,상기 제1 기판의 상기 복수의 공진체들이 배치되는 상기 공진 레이어는, 상기 제1 기판의 상기 방사체가 배치되는 상기 방사 레이어와 동일하고,상기 제1 기판은 복수의 방사체들을 포함하고,상기 복수의 공진체들은, 상기 제1 기판 내에서 상기 복수의 방사체들이 배치되는 영역과 다른 영역에서, 그리드(grid) 배열을 형성하도록 배치되는,모듈.
- 무선 통신 시스템에서 전자 장치에 있어서,레이돔 커버;RU(radio unit) 하우징; 및RU 모듈을 포함하고,상기 RU 모듈은 안테나 모듈들이 배치되는 안테나 보드 및 전원 공급부(power supply)를 포함하는 RU 보드를 포함하고,상기 안테나 모듈들 중에서, 안테나 모듈은,복수의 방사체들;복수의 공진체들(resonators); 및상기 방사체 및 상기 복수의 공진체들이 배치되는 안테나 보드를 포함하고,상기 안테나 보드는 복수의 제1 레이어들을 포함하고,상기 RU 보드는 복수의 제2 레이어들을 포함하고,상기 방사체는, 상기 안테나 보드의 상기 복수의 제1 레이어들 중에서 방사 레이어에서 배치되고,상기 복수의 공진체들은, 상기 안테나 보드의 상기 복수의 제1 레이어들 중에서 공진 레이어에서 배치되고,상기 공진 레이어 내에서 상기 복수의 공진체들 중 적어도 일부는, 상기 방사 레이어 내에서 상기 방사체가 배치되는 영역과 다른 영역에서 배치되는,전자 장치.
- 청구항 11에서,상기 안테나 보드는 PCB(printed circuit board)를 포함하고,상기 안테나 보드 및 상기 RU 보드는 BGA(ball grid array)를 통해 전기적으로 연결되는,전자 장치.
- 청구항 11 내지 12에서,상기 안테나 보드의 상기 복수의 공진체들이 배치되는 상기 공진 레이어는, 상기 안테나 보드의 상기 방사체가 배치되는 상기 방사 레이어와 다른,전자 장치.
- 청구항 11 내지 13에서,상기 복수의 공진체들은, 상기 안테나 보드의 상기 공진 레이어 내에서 균일한 간격으로 배치되는,전자 장치.
- 청구항 11 내지 14에서,상기 복수의 공진체들은, 상기 공진 레이어의 영역 내에서 상기 복수의 방사체들이 배치되는 영역과 다른 영역에서, 그리드(grid) 배열(arrangement)이 형성되도록 배치되는,전자 장치.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP23852677.6A EP4568013A4 (en) | 2022-08-10 | 2023-04-27 | WIRELESS MODULE AND ELECTRONIC DEVICE CONTAINING IT |
| CN202380071963.8A CN120051897A (zh) | 2022-08-10 | 2023-04-27 | 无线模块和包括该无线模块的电子设备 |
| US18/313,722 US12581006B2 (en) | 2022-08-10 | 2023-05-08 | Wireless module and electronic device including the same |
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| KR1020220100266A KR20240023242A (ko) | 2022-08-10 | 2022-08-10 | 무선 모듈 및 이를 포함하는 전자 장치 |
| KR10-2022-0100266 | 2022-08-10 |
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| US18/313,722 Continuation US12581006B2 (en) | 2022-08-10 | 2023-05-08 | Wireless module and electronic device including the same |
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| WO2024034780A1 true WO2024034780A1 (ko) | 2024-02-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080051435A (ko) * | 2006-12-05 | 2008-06-11 | 한국전자통신연구원 | 전방향 복사패턴을 갖는 평면형 안테나 |
| KR101411442B1 (ko) * | 2013-04-05 | 2014-07-01 | 경북대학교 산학협력단 | 배열 패치 안테나 및 이의 제조 방법 |
| KR101766216B1 (ko) * | 2016-02-05 | 2017-08-09 | 한국과학기술원 | 인공 자기 도체를 이용한 배열 안테나 |
| KR20210011484A (ko) * | 2017-12-19 | 2021-02-01 | 삼성전자주식회사 | 안테나와 rf 소자를 포함하는 모듈 및 이를 포함하는 기지국 |
| WO2021128182A1 (en) * | 2019-12-26 | 2021-07-01 | Telefonaktiebolaget Lm Ericsson (Publ) | Antenna unit, antenna module and base station having the same |
-
2022
- 2022-08-10 KR KR1020220100266A patent/KR20240023242A/ko active Pending
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2023
- 2023-04-27 WO PCT/KR2023/005834 patent/WO2024034780A1/ko not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080051435A (ko) * | 2006-12-05 | 2008-06-11 | 한국전자통신연구원 | 전방향 복사패턴을 갖는 평면형 안테나 |
| KR101411442B1 (ko) * | 2013-04-05 | 2014-07-01 | 경북대학교 산학협력단 | 배열 패치 안테나 및 이의 제조 방법 |
| KR101766216B1 (ko) * | 2016-02-05 | 2017-08-09 | 한국과학기술원 | 인공 자기 도체를 이용한 배열 안테나 |
| KR20210011484A (ko) * | 2017-12-19 | 2021-02-01 | 삼성전자주식회사 | 안테나와 rf 소자를 포함하는 모듈 및 이를 포함하는 기지국 |
| WO2021128182A1 (en) * | 2019-12-26 | 2021-07-01 | Telefonaktiebolaget Lm Ericsson (Publ) | Antenna unit, antenna module and base station having the same |
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