WO2022030894A1 - Uwb 안테나 및 이를 포함하는 전자 장치 - Google Patents
Uwb 안테나 및 이를 포함하는 전자 장치 Download PDFInfo
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- WO2022030894A1 WO2022030894A1 PCT/KR2021/009976 KR2021009976W WO2022030894A1 WO 2022030894 A1 WO2022030894 A1 WO 2022030894A1 KR 2021009976 W KR2021009976 W KR 2021009976W WO 2022030894 A1 WO2022030894 A1 WO 2022030894A1
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- patch antenna
- uwb
- antenna
- signal
- transmission line
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
- H01Q5/25—Ultra-wideband [UWB] systems, e.g. multiple resonance systems; Pulse systems
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
- G01S3/04—Details
- G01S3/043—Receivers
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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
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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
- H01Q1/44—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
- 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
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
- H01Q9/0428—Substantially flat resonant element parallel to ground plane, e.g. patch antenna radiating a circular polarised wave
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
- G01S3/14—Systems for determining direction or deviation from predetermined direction
- G01S3/46—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
- G01S3/48—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems the waves arriving at the antennas being continuous or intermittent and the phase difference of signals derived therefrom being measured
Definitions
- Various embodiments of the present invention relate to an electronic device including an ultra wide band (UWB) antenna.
- UWB ultra wide band
- An electronic device may perform a positioning operation to find a location of another electronic device (eg, a responder) by performing UWB communication with another electronic device (eg, a responder). For example, the electronic device calculates an angle of arrival (AoA) of an RF signal received from another electronic device using a UWB antenna including at least two patch antennas, and uses the AoA to calculate the other electronic device position can be determined.
- AoA angle of arrival
- AoA can consist of an azimuth angle (eg, left and right angle) and an elevation angle (eg, up and down angle), and for azimuth and elevation measurement, the UWB antenna can include three patch antennas. have.
- Each of the patch antennas may be formed on a substrate.
- a transmission line connecting the patch antenna and the UWB communication circuit may be implemented as a flexible printed circuit board (FPCB).
- FPCB flexible printed circuit board
- the UWB antenna may be implemented as a multi-layered FPCB.
- it may include a layer in which patch antennas are formed, a layer in which a transmission line is formed, and a ground layer.
- Such a multi-layer structure may be complicated because there are many via processes for electrically connecting the transmission line and the patch antenna. The via process can be expensive.
- Various embodiments may provide a UWB antenna structure that is easy to arrange in the space inside the housing as well as simple to manufacture.
- the electronic device may accurately measure the location of another electronic device by performing a positioning operation using the UWB antenna structure according to various embodiments of the present disclosure.
- an ultra wide band (UWB) antenna may include a dielectric substrate; a first conductive layer disposed on one surface of the dielectric substrate; and a second conductive layer disposed on the other surface of the dielectric substrate.
- the first conductive layer has a structure for receiving a first UWB signal in a first frequency band in which the polarity direction of the electric field is a vertical linear polarization and a second UWB signal in a second frequency band in which the polarization direction of the electric field is a horizontal linear polarization patch antenna; a second patch antenna spaced apart from the first patch antenna in a first direction and having the same structure as the first patch antenna; a third patch antenna spaced apart from the first patch antenna in a second direction perpendicular to the first direction and having the same structure as the first patch antenna; a first transmission line connecting the connector and the first patch antenna; a second transmission line connecting the connector and the second patch antenna; and a third transmission line connecting the connector and the third patch antenna.
- the second conductive layer may include the first patch antenna, the second patch antenna, and the third patch antenna when facing the second conductive layer in the first direction and a third direction perpendicular to the second direction. , a ground pattern overlapping the first transmission line, the second transmission line, and the third transmission line.
- an ultra wide band (UWB) antenna may include a dielectric substrate; a first conductive layer disposed on one surface of the dielectric substrate; and a second conductive layer disposed on the other surface of the dielectric substrate.
- the first conductive layer may include: a first patch antenna having a structure for receiving a UWB signal in which the polarity direction of the electric field is circularly polarized; a second patch antenna disposed spaced apart in a first direction without overlapping the first patch antenna and having the same structure as the first patch antenna; a third patch antenna disposed spaced apart from the first patch antenna in a second direction perpendicular to the first direction without overlapping the first patch antenna and having the same structure as the first patch antenna; a first transmission line connecting the connector and the first patch antenna; a second transmission line connecting the connector and the second patch antenna; and a third transmission line connecting the connector and the third patch antenna.
- the second conductive layer may include the first patch antenna, the second patch antenna, and the third patch antenna when facing the second conductive layer in the first direction and a third direction perpendicular to the second direction. , a ground pattern overlapping the first transmission line, the second transmission line, and the third transmission line.
- the electronic device may include an ultra wide band (UWB) antenna; processor; and converting the baseband signal received from the processor into an RF signal of a frequency band designated to be used for UWB communication and outputting it to the UWB antenna, and converting the RF signal received from the UWB antenna into a baseband signal and outputting it to the processor configured communication circuitry.
- the UWB antenna may have a structure for receiving a first UWB signal having a vertical linear polarization in the polarity direction of the electric field and a second UWB signal having a horizontal linear polarization in the polarization direction of the electric field.
- the processor while receiving the UWB signal of the first communication channel from the external electronic device through the communication circuit, is configured such that the signal of the first communication channel first received from the external electronic device is the second communication channel having the greatest signal strength.
- an operation of performing an angle of arrival (AoA) operation using the main signal of the first communication channel and the first signal of the first communication channel is the main signal of the first communication channel if not, transmitting a message requesting transmission of a UWB signal of a second communication channel to an external electronic device through the communication circuit, and transmitting the UWB signal of the second communication channel to an external electronic device through the communication circuit
- the first signal of the second communication channel is used to calculate AoA, and when the first signal of the second communication channel is not the main signal of the second communication channel, AoA using the main signal of the first communication channel or the main signal
- Various embodiments of the present invention may provide a UWB antenna that is easy to be disposed inside an electronic device and is relatively simple to manufacture. According to various embodiments of the present disclosure, it is possible to reduce the cost of a UWB antenna included in an electronic device.
- the electronic device may measure the position of another electronic device by using the UWB antenna.
- FIG. 1 is a block diagram of an electronic device in a network environment, according to various embodiments of the present disclosure
- FIG. 2 is a block diagram of a wireless communication module and an antenna module of an electronic device according to various embodiments of the present disclosure
- 3A and 3B are diagrams for explaining the arrangement of a UWB antenna in a portable electronic device having a bar-shaped housing structure, according to an exemplary embodiment.
- FIGS. 4A and 4B are diagrams for explaining the arrangement of a UWB antenna in a portable electronic device having an in-folding foldable housing structure, according to an exemplary embodiment.
- FIG. 5 illustrates a side view of a UWB antenna having a stacked structure, according to various embodiments.
- FIG. 6A is a front view of a first conductive layer in a UWB antenna according to an embodiment
- FIG. 6B is a front view of a second conductive layer disposed under the first conductive layer
- FIG. 6C is a first aligned side by side The conductive layer and the second conductive layer are shown.
- 6D, 6E, and 6F are diagrams illustrating a patch antenna having a different shape from the patch antenna shown in FIG. 6A.
- 6G and 6H are diagrams for explaining the position of a feeding point in each patch antenna of the first conductive layer.
- FIG. 7A, 7B, and 7C illustrate a first conductive layer and a second conductive layer in a UWB antenna according to various embodiments.
- FIG. 8A is a diagram for explaining horizontal linear polarization in the patch antenna according to an embodiment
- FIG. 8B is a diagram for explaining vertical linear polarization in the patch antenna of FIG. 8A
- FIG. 8C is a double diagram in the patch antenna of FIG. 8A It is a diagram for explaining the characteristics of resonance.
- FIG. 9A is a diagram for explaining a resonant frequency of the patch antenna of FIG. 6E
- FIG. 9B is a graph illustrating an axial ratio of a circularly polarized wave in the patch antenna of FIG. 6E .
- FIGS. 10A and 10B are diagrams for explaining a radiation pattern when the posture of the portable electronic device of FIG. 3A is in a portrait mode (or a portrait mode), and FIGS. 10C and 10D are diagrams of the portable electronic device of FIG. 3A It is a diagram for explaining a radiation pattern when the posture is in a horizontal mode (or a landscape mode).
- FIG. 11 illustrates operations of a processor for location, according to an embodiment.
- FIG. 1 is a block diagram of an electronic device 101 in a network environment 100 according to various embodiments.
- an electronic device 101 communicates with an electronic device 102 through a first network 198 (eg, a short-range wireless communication network) or a second network 199 . It may communicate with the electronic device 104 or the server 108 through (eg, a long-distance wireless communication network). According to an embodiment, the electronic device 101 may communicate with the electronic device 104 through the server 108 .
- a first network 198 eg, a short-range wireless communication network
- a second network 199 e.g., a second network 199
- the electronic device 101 may communicate with the electronic device 104 through the server 108 .
- the electronic device 101 includes a processor 120 , a memory 130 , an input module 150 , a sound output module 155 , a display module 160 , an audio module 170 , and a sensor module ( 176), interface 177, connection terminal 178, haptic module 179, camera module 180, power management module 188, battery 189, communication module 190, subscriber identification module 196 , or an antenna module 197 may be included.
- at least one of these components eg, the connection terminal 178
- may be omitted or one or more other components may be added to the electronic device 101 .
- some of these components are integrated into one component (eg, display module 160 ). can be
- the processor 120 for example, executes software (eg, a program 140) to execute at least one other component (eg, a hardware or software component) of the electronic device 101 connected to the processor 120 . It can control and perform various data processing or operations. According to one embodiment, as at least part of data processing or operation, the processor 120 converts commands or data received from other components (eg, the sensor module 176 or the communication module 190 ) to the volatile memory 132 . may be stored in the volatile memory 132 , and may process commands or data stored in the volatile memory 132 , and store the result data in the non-volatile memory 134 .
- software eg, a program 140
- the processor 120 converts commands or data received from other components (eg, the sensor module 176 or the communication module 190 ) to the volatile memory 132 .
- the volatile memory 132 may be stored in the volatile memory 132 , and may process commands or data stored in the volatile memory 132 , and store the result data in the non-volatile memory 134 .
- the processor 120 is the main processor 121 (eg, a central processing unit or an application processor) or a secondary processor 123 (eg, a graphic processing unit, a neural network processing unit) a neural processing unit (NPU), an image signal processor, a sensor hub processor, or a communication processor).
- the main processor 121 e.g, a central processing unit or an application processor
- a secondary processor 123 eg, a graphic processing unit, a neural network processing unit
- NPU neural processing unit
- an image signal processor e.g., a sensor hub processor, or a communication processor.
- the main processor 121 e.g, a central processing unit or an application processor
- a secondary processor 123 eg, a graphic processing unit, a neural network processing unit
- NPU neural processing unit
- an image signal processor e.g., a sensor hub processor, or a communication processor.
- the main processor 121 e.g, a central processing unit or an application processor
- a secondary processor 123
- the auxiliary processor 123 is, for example, on behalf of the main processor 121 while the main processor 121 is in an inactive (eg, sleep) state, or the main processor 121 is active (eg, executing an application). ), together with the main processor 121, at least one of the components of the electronic device 101 (eg, the display module 160, the sensor module 176, or the communication module 190) It is possible to control at least some of the related functions or states.
- the coprocessor 123 eg, an image signal processor or a communication processor
- may be implemented as part of another functionally related component eg, the camera module 180 or the communication module 190. have.
- the auxiliary processor 123 may include a hardware structure specialized for processing an artificial intelligence model.
- Artificial intelligence models can be created through machine learning. Such learning may be performed, for example, in the electronic device 101 itself on which artificial intelligence is performed, or may be performed through a separate server (eg, the server 108).
- the learning algorithm may include, for example, supervised learning, unsupervised learning, semi-supervised learning, or reinforcement learning, but in the above example not limited
- the artificial intelligence model may include a plurality of artificial neural network layers.
- Artificial neural networks include deep neural networks (DNNs), convolutional neural networks (CNNs), recurrent neural networks (RNNs), restricted boltzmann machines (RBMs), deep belief networks (DBNs), bidirectional recurrent deep neural networks (BRDNNs), It may be one of deep Q-networks or a combination of two or more of the above, but is not limited to the above example.
- the artificial intelligence model may include, in addition to, or alternatively, a software structure in addition to the hardware structure.
- the memory 130 may store various data used by at least one component of the electronic device 101 (eg, the processor 120 or the sensor module 176 ).
- the data may include, for example, input data or output data for software (eg, the program 140 ) and instructions related thereto.
- the memory 130 may include a volatile memory 132 or a non-volatile memory 134 .
- the program 140 may be stored as software in the memory 130 , and may include, for example, an operating system 142 , middleware 144 , or an application 146 .
- the input module 150 may receive a command or data to be used in a component (eg, the processor 120 ) of the electronic device 101 from the outside (eg, a user) of the electronic device 101 .
- the input module 150 may include, for example, a microphone, a mouse, a keyboard, a key (eg, a button), or a digital pen (eg, a stylus pen).
- the sound output module 155 may output a sound signal to the outside of the electronic device 101 .
- the sound output module 155 may include, for example, a speaker or a receiver.
- the speaker can be used for general purposes such as multimedia playback or recording playback.
- the receiver may be used to receive an incoming call. According to one embodiment, the receiver may be implemented separately from or as part of the speaker.
- the display module 160 may visually provide information to the outside (eg, a user) of the electronic device 101 .
- the display module 160 may include, for example, a control circuit for controlling a display, a hologram device, or a projector and a corresponding device.
- the display module 160 may include a touch sensor configured to sense a touch or a pressure sensor configured to measure the intensity of a force generated by the touch.
- the audio module 170 may convert a sound into an electric signal or, conversely, convert an electric signal into a sound. According to an embodiment, the audio module 170 acquires a sound through the input module 150 or an external electronic device (eg, a sound output module 155 ) directly or wirelessly connected to the electronic device 101 . A sound may be output through the electronic device 102 (eg, a speaker or headphones).
- an external electronic device eg, a sound output module 155
- a sound may be output through the electronic device 102 (eg, a speaker or headphones).
- the sensor module 176 detects an operating state (eg, power or temperature) of the electronic device 101 or an external environmental state (eg, user state), and generates an electrical signal or data value corresponding to the sensed state. can do.
- the sensor module 176 may include, for example, a gesture sensor, a gyro sensor, a barometric pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an IR (infrared) sensor, a biometric sensor, It may include a temperature sensor, a humidity sensor, or an illuminance sensor.
- the interface 177 may support one or more designated protocols that may be used by the electronic device 101 to directly or wirelessly connect with an external electronic device (eg, the electronic device 102 ).
- the interface 177 may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.
- HDMI high definition multimedia interface
- USB universal serial bus
- SD card interface Secure Digital Card
- the connection terminal 178 may include a connector through which the electronic device 101 can be physically connected to an external electronic device (eg, the electronic device 102 ).
- the connection terminal 178 may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (eg, a headphone connector).
- the haptic module 179 may convert an electrical signal into a mechanical stimulus (eg, vibration or movement) or an electrical stimulus that the user can perceive through tactile or kinesthetic sense.
- the haptic module 179 may include, for example, a motor, a piezoelectric element, or an electrical stimulation device.
- the camera module 180 may capture still images and moving images. According to an embodiment, the camera module 180 may include one or more lenses, image sensors, image signal processors, or flashes.
- the power management module 188 may manage power supplied to the electronic device 101 .
- the power management module 188 may be implemented as, for example, at least a part of a power management integrated circuit (PMIC).
- PMIC power management integrated circuit
- the battery 189 may supply power to at least one component of the electronic device 101 .
- battery 189 may include, for example, a non-rechargeable primary cell, a rechargeable secondary cell, or a fuel cell.
- the communication module 190 is a direct (eg, wired) communication channel or a wireless communication channel between the electronic device 101 and an external electronic device (eg, the electronic device 102, the electronic device 104, or the server 108). It can support establishment and communication performance through the established communication channel.
- the communication module 190 may include one or more communication processors that operate independently of the processor 120 (eg, an application processor) and support direct (eg, wired) communication or wireless communication.
- the communication module 190 is a wireless communication module 192 (eg, a cellular communication module, a short-range communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module 194 (eg, : It may include a LAN (local area network) communication module, or a power line communication module).
- GNSS global navigation satellite system
- a corresponding communication module among these communication modules is a first network 198 (eg, a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)) or a second network 199 (eg, legacy It may communicate with the external electronic device 104 through a cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (eg, a telecommunication network such as a LAN or a WAN).
- a first network 198 eg, a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)
- a second network 199 eg, legacy It may communicate with the external electronic device 104 through a cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (eg, a telecommunication network such as a LAN or a WAN).
- a telecommunication network
- the wireless communication module 192 uses the subscriber information (eg, International Mobile Subscriber Identifier (IMSI)) stored in the subscriber identification module 196 within a communication network such as the first network 198 or the second network 199 .
- the electronic device 101 may be identified or authenticated.
- the wireless communication module 192 may support a 5G network after a 4G network and a next-generation communication technology, for example, a new radio access technology (NR).
- NR access technology includes high-speed transmission of high-capacity data (eMBB (enhanced mobile broadband)), minimization of terminal power and access to multiple terminals (mMTC (massive machine type communications)), or high reliability and low latency (URLLC (ultra-reliable and low-latency) -latency communications)).
- eMBB enhanced mobile broadband
- mMTC massive machine type communications
- URLLC ultra-reliable and low-latency
- the wireless communication module 192 may support a high frequency band (eg, mmWave band) to achieve a high data rate, for example.
- a high frequency band eg, mmWave band
- the wireless communication module 192 includes various technologies for securing performance in a high-frequency band, for example, beamforming, massive multiple-input and multiple-output (MIMO), all-dimensional multiplexing. It may support technologies such as full dimensional MIMO (FD-MIMO), an array antenna, analog beam-forming, or a large scale antenna.
- the wireless communication module 192 may support various requirements specified in the electronic device 101 , an external electronic device (eg, the electronic device 104 ), or a network system (eg, the second network 199 ).
- the wireless communication module 192 may include a peak data rate (eg, 20 Gbps or more) for realizing eMBB, loss coverage (eg, 164 dB or less) for realizing mMTC, or U-plane latency for realizing URLLC ( Example: downlink (DL) and uplink (UL) each 0.5 ms or less, or round trip 1 ms or less).
- a peak data rate eg, 20 Gbps or more
- loss coverage eg, 164 dB or less
- U-plane latency for realizing URLLC
- the antenna module 197 may transmit or receive a signal or power to the outside (eg, an external electronic device).
- the antenna module 197 may include an antenna including a conductor formed on a substrate (eg, a PCB) or a radiator formed of a conductive pattern.
- the antenna module 197 may include a plurality of antennas (eg, an array antenna). In this case, at least one antenna suitable for a communication method used in a communication network such as the first network 198 or the second network 199 is connected from the plurality of antennas by, for example, the communication module 190 . can be selected. A signal or power may be transmitted or received between the communication module 190 and an external electronic device through the selected at least one antenna.
- other components eg, a radio frequency integrated circuit (RFIC)
- RFIC radio frequency integrated circuit
- the antenna module 197 may form a mmWave antenna module.
- the mmWave antenna module comprises a printed circuit board, an RFIC disposed on or adjacent to a first side (eg, underside) of the printed circuit board and capable of supporting a designated high frequency band (eg, mmWave band); and a plurality of antennas (eg, an array antenna) disposed on or adjacent to a second side (eg, top or side) of the printed circuit board and capable of transmitting or receiving signals of the designated high frequency band. can do.
- peripheral devices eg, a bus, general purpose input and output (GPIO), serial peripheral interface (SPI), or mobile industry processor interface (MIPI)
- GPIO general purpose input and output
- SPI serial peripheral interface
- MIPI mobile industry processor interface
- the command or data may be transmitted or received between the electronic device 101 and the external electronic device 104 through the server 108 connected to the second network 199 .
- Each of the external electronic devices 102 or 104 may be the same as or different from the electronic device 101 .
- all or a part of operations executed in the electronic device 101 may be executed in one or more external electronic devices 102 , 104 , or 108 .
- the electronic device 101 may perform the function or service itself instead of executing the function or service itself.
- one or more external electronic devices may be requested to perform at least a part of the function or the service.
- One or more external electronic devices that have received the request may execute at least a part of the requested function or service, or an additional function or service related to the request, and transmit a result of the execution to the electronic device 101 .
- the electronic device 101 may process the result as it is or additionally and provide it as at least a part of a response to the request.
- cloud computing distributed computing, mobile edge computing (MEC), or client-server computing technology may be used.
- the electronic device 101 may provide an ultra-low latency service using, for example, distributed computing or mobile edge computing.
- the external electronic device 104 may include an Internet of things (IoT) device.
- Server 108 may be an intelligent server using machine learning and/or neural networks.
- the external electronic device 104 or the server 108 may be included in the second network 199 .
- the electronic device 101 may be applied to an intelligent service (eg, smart home, smart city, smart car, or health care) based on 5G communication technology and IoT-related technology.
- the electronic device may have various types of devices.
- the electronic device may include, for example, a portable communication device (eg, a smart phone), a computer device, a portable multimedia device, a portable medical device, a camera, a wearable device, or a home appliance device.
- a portable communication device eg, a smart phone
- a computer device e.g., a smart phone
- a portable multimedia device e.g., a portable medical device
- a camera e.g., a portable medical device
- a camera e.g., a portable medical device
- a camera e.g., a portable medical device
- a wearable device e.g., a smart bracelet
- a home appliance device e.g., a home appliance
- first, second, or first or second may be used simply to distinguish the element from other elements in question, and may refer to elements in other aspects (e.g., importance or order) is not limited. It is said that one (eg, first) component is “coupled” or “connected” to another (eg, second) component, with or without the terms “functionally” or “communicatively”. When referenced, it means that one component can be connected to the other component directly (eg by wire), wirelessly, or through a third component.
- module used in various embodiments of this document may include a unit implemented in hardware, software, or firmware, and is interchangeable with terms such as, for example, logic, logic block, component, or circuit.
- a module may be an integrally formed part or a minimum unit or a part of the part that performs one or more functions.
- the module may be implemented in the form of an application-specific integrated circuit (ASIC).
- ASIC application-specific integrated circuit
- one or more instructions stored in a storage medium may be implemented as software (eg, the program 140) including
- a processor eg, processor 120
- a device eg, electronic device 101
- the one or more instructions may include code generated by a compiler or code executable by an interpreter.
- the device-readable storage medium may be provided in the form of a non-transitory storage medium.
- 'non-transitory' only means that the storage medium is a tangible device and does not include a signal (eg, electromagnetic wave), and this term is used in cases where data is semi-permanently stored in the storage medium and It does not distinguish between temporary storage cases.
- a signal eg, electromagnetic wave
- the method according to various embodiments disclosed in this document may be included and provided in a computer program product.
- Computer program products may be traded between sellers and buyers as commodities.
- the computer program product is distributed in the form of a machine-readable storage medium (eg compact disc read only memory (CD-ROM)), or via an application store (eg Play Store TM ) or on two user devices ( It can be distributed online (eg download or upload), directly between smartphones (eg smartphones).
- a part of the computer program product may be temporarily stored or temporarily generated in a machine-readable storage medium such as a memory of a server of a manufacturer, a server of an application store, or a relay server.
- each component (eg, module or program) of the above-described components may include a singular or a plurality of entities, and some of the plurality of entities may be separately disposed in other components. have.
- one or more components or operations among the above-described corresponding components may be omitted, or one or more other components or operations may be added.
- a plurality of components eg, a module or a program
- the integrated component may perform one or more functions of each component of the plurality of components identically or similarly to those performed by the corresponding component among the plurality of components prior to the integration. .
- operations performed by a module, program, or other component are executed sequentially, in parallel, repeatedly, or heuristically, or one or more of the operations are executed in a different order, or omitted. or one or more other operations may be added.
- the wireless communication module 192 may include a Bluetooth communication circuit 210 and/or a UWB communication circuit 220 .
- the antenna module 197 may include a Bluetooth antenna 250 connected to the Bluetooth communication circuit 210 and/or a UWB antenna 260 connected to the UWB communication circuit 220 .
- At least one function of the Bluetooth communication circuit 210 and the UWB communication circuit 220 may be controlled by the processor 120 (eg, an application processor and/or a communication processor).
- the Bluetooth communication circuit 210 is in a frequency band designated to be used for Bluetooth (eg, Bluetooth low energy (BLE)) communication among bands to be used for wireless communication with an external electronic device (eg, the external electronic device 102 of FIG. 1 ). It may support establishment of a corresponding Bluetooth communication channel (or session). The Bluetooth communication circuit 210 may support Bluetooth communication with an external electronic device through a Bluetooth communication channel. The Bluetooth communication circuit 210 converts a baseband signal generated by the processor 120 (eg, an application processor and/or a communication processor) and received from the processor 120 into an RF signal of the Bluetooth band during transmission. It can be transmitted to the outside through the Bluetooth antenna 250 .
- BLE Bluetooth low energy
- the Bluetooth communication circuit 210 upon reception, acquires an RF signal of a Bluetooth band (eg, about 2.4 GHz) through the Bluetooth antenna 250, and receives the obtained RF signal in a baseband (eg, several MHz or less) of It may be converted into a signal and transmitted to the processor 120 .
- a Bluetooth band eg, about 2.4 GHz
- a baseband eg, several MHz or less
- the UWB communication circuit 220 corresponds to a frequency band (eg, about 3.1 to 10.6 GHz) designated to be used for UWB communication among bands to be used for wireless communication with an external electronic device (eg, the external electronic device 102 of FIG. 1 ). It may support establishment of a UWB communication channel (or session). The UWB communication circuit 220 may support UWB communication with an external electronic device through a UWB communication channel. The UWB communication circuit 220 converts a baseband signal generated by the processor 120 (eg, an application processor and/or a communication processor) and received from the processor 120 into an RF signal of the UWB band during transmission. It can be transmitted to the outside through the UWB antenna (260).
- a baseband signal generated by the processor 120 eg, an application processor and/or a communication processor
- the UWB communication circuit 220 may obtain an RF signal of the UWB band through the UWB antenna 260 , convert the obtained RF signal into a baseband signal, and transmit the converted RF signal to the processor 120 .
- the wireless communication module 192 further includes a filter (eg, a UWB band pass filter) that filters the RF signal of the UWB band from the RF signal received from the UWB antenna 260 and transmits it to the UWB communication circuit 220 . can do.
- the UWB antenna 260 may include a plurality of antennas.
- the UWB antenna 260 may include a first antenna for transmitting/receiving an RF signal, or a second antenna and/or a third antenna dedicated to receiving an RF signal.
- Bluetooth may be used as a trigger for activating UWB communication.
- BLE has relatively lower positioning accuracy than other short-distance communication technologies (eg, UWB), but consumes less power, and a recognition distance (eg, a distance at which the external electronic device 102 can recognize existence in the vicinity) ) is long, so it can be used as a trigger to activate positioning communication.
- the processor 120 may receive a signal (eg, advertising or broadcasting packet) for connection with the external electronic device 102 from the external electronic device 102 through the Bluetooth communication circuit 210 .
- the external electronic device 102 may transmit a signal as an advertiser (or broadcaster), and the electronic device 101 may periodically scan the signal as an observer.
- the processor 120 may determine to activate positioning communication using UWB when the strength of the received signal (eg, RSSI) is greater than a specified threshold or when it is recognized that the strength of the signal is getting stronger. According to the determination, the processor 120 uses the UWB communication circuit 220 to communicate with the external electronic device 102 and a UWB communication channel (eg, a second frequency band (eg, ch5, about 6.5 GHz band, about 6.25 ⁇ 6.75 GHz), or a first frequency band (eg, ch9, about 8 GHz band, about 7.75 to 8.25 GHz)) may be established.
- a UWB communication channel eg, a second frequency band (eg, ch5, about 6.5 GHz band, about 6.25 ⁇ 6.75 GHz), or a first frequency band (eg, ch9, about 8 GHz band, about 7.75 to 8.25 GHz)
- the processor 120 when the UWB communication circuit 220 is in a disabled state (eg, a sleep state or a power off state), the processor 120 is configured to, based on the determination, the UWB communication circuit 220 may be switched to an enabled state, a UWB communication channel may be established with the external electronic device 102 using the UWB communication circuit 220, and an external UWB communication channel may be established through the established UWB communication channel. Positioning communication may be performed with the electronic device 101 . In another embodiment, the processor 120 may establish a BLE communication channel with the external electronic device 102 using the Bluetooth communication circuit 210 .
- the processor 120 based on the strength of the signal received from the external electronic device 102 through the established BLE communication channel (eg, when the strength is greater than a specified threshold or when the strength of the signal is getting stronger), It may be decided to activate positioning communication using UWB.
- the processor 120 may establish a UWB communication channel with the external electronic device 102 using the UWB communication circuit 220 according to the determination, and communicate with the external electronic device 101 through the established UWB communication channel. Positioning communication can be performed.
- a communication technology other than Bluetooth eg, Wi-Fi
- Wi-Fi Wi-Fi
- FIG. 3A and 3B are views for explaining the arrangement of a UWB antenna in the portable electronic device 300 (eg, the electronic device 101 of FIG. 1 ) having a bar-shaped housing structure, according to an exemplary embodiment; to be.
- the side on which the display (eg, the display module 160 of FIG. 1 ) is disposed of the portable electronic device 300 is the front side of the portable electronic device 300 , and the opposite side is the back side of the portable electronic device 300 , and the front side A surface surrounding the space between the rear surfaces may be defined as a side surface of the portable electronic device 300 .
- FIG. 3A is a view showing the rear cover of the portable electronic device 300 separated
- FIG. 3B is a view showing the portable electronic device 300 combined with the rear cover.
- the portable electronic device 300 (eg, the electronic device 101 of FIG. 1 ) includes a housing 310 , a camera cover 320 , a UWB antenna 330 , and/or a support member. (340) may be included.
- the housing 310 may include a front cover (not shown), a rear cover 311 , and/or a side frame 312 .
- the UWB antenna 330 and the support member 340 may be disposed inside the housing 310 .
- the camera cover 320 is a cover of the camera module (eg, the camera module 180 ) disposed inside the housing 310 , and decorates the camera module, and may be made of metal or polymer.
- the UWB antenna 330 (eg, the UWB antenna 260 of FIG. 2 ) may be disposed inside the housing 310 so as not to overlap the camera module when viewed from the rear side.
- the UWB antenna 330 is electrically separated from the camera cover 320 , and may be disposed between the rear cover 311 and the support member 340 .
- the support member 340 may be disposed between the UWB antenna 330 and a substrate (eg, a printed circuit board (PCB)) (not shown).
- the UWB antenna 330 may be disposed on the support member 340 .
- the support member 340 may be formed of, for example, a metal (eg, SUS) or a polymer.
- the support member 340 may be formed with holes 350 for fixing the inside of the housing 310 with a fixing member (eg, screws).
- the support member 340 may be electrically connected to the side frame 312 (eg, a metal body) through screws.
- the UWB antenna 330 may be electrically connected to a UWB communication circuit (eg, the UWB communication circuit 220 of FIG. 2 ) through a signal line formed on a substrate.
- the portable electronic device may have a foldable housing divided into two housings about a folding axis.
- a first portion of a display eg, a flexible display
- the foldable housing may be implemented in an in-folding manner in which the first part and the second part face each other when the portable electronic device is in a folded state.
- the foldable housing may be implemented in an out-folding manner in which the first part and the second part face opposite to each other when the portable electronic device is in a folded state.
- a surface on which the first and second portions of the display are disposed is defined as a front surface of the portable electronic device, an opposite surface is defined as a rear surface of the portable electronic device, and a surface surrounding the space between the front and rear surfaces is defined as a side surface of the portable electronic device.
- the portable electronic device 400 may include foldable housings 410 and 420 , a camera cover 430 , a UWB antenna 440 , and/or a support member 450 .
- the foldable housing may include a first housing 410 and a second housing 420 .
- the first housing 410 may include a first rear cover (not shown) forming a part of the rear surface of the portable electronic device 400 .
- the second housing 420 may include a second rear cover 421 that forms another part of the rear surface of the portable electronic device 400 .
- the UWB antenna 440 and/or the support member 450 may be disposed inside the first housing 410 .
- the camera cover 430 is a cover of the camera module accommodated in the first housing 410 and decorates the camera module, and may be implemented with metal or polymer.
- the UWB antenna 440 (eg, the UWB antenna 260 of FIG. 2 ) does not overlap the camera module (eg, the camera module 180 of FIG. 1 ) when viewed from the rear side. It may be disposed inside the first housing 410 .
- the UWB antenna 440 may be electrically separated from the camera cover 430 and disposed between the first rear cover and the support member 450 .
- the support member 450 may be disposed between a substrate (eg, a PCB) (not shown) disposed inside the first housing 410 and the UWB antenna 440 . It is combined with the UWB antenna 440, and may be implemented as an injection-molded material.
- the UWB antenna 440 may be electrically connected to a UWB communication circuit (eg, the UWB communication circuit 220 of FIG. 2 ) through a signal line formed on the substrate.
- an antenna for other purposes other than the UWB antenna 440 may be disposed inside the first housing 410 .
- the portable electronic device 400 may further include a second display disposed inside the second housing 470 and exposed through the second rear cover 421 in addition to the first display exposed through the front surface.
- the UWB antenna 500 (eg, the UWB antenna 260 of FIG. 2 ) includes a first conductive layer (or a top conductive layer) 510 and a second conductive layer (or a bottom conductive layer). It may be implemented as a FPCB of a two-layer structure made of 520 .
- the first conductive layer 510 is formed on one surface of a dielectric substrate (or dielectric layer) 530
- the second conductive layer 520 is formed on the other surface of the dielectric substrate 530 .
- the first conductive layer 510 is a transmission line (or a feeding line) connecting the patch antennas and each patch antenna to a UWB communication circuit (eg, the UWB communication circuit 220 of FIG. 2 ). line)) may be included.
- the second conductive layer 520 may form a common ground of the patch antennas.
- the patch antenna and the ground transmit an RF signal of a specific frequency band (eg, a second frequency band (eg, ch5, about 6.5 GHz band), a first frequency band (eg, ch9, about 8 GHz band)) to the outside, and It may operate as a resonator for receiving an RF signal of a frequency band.
- a specific frequency band eg, a second frequency band (eg, ch5, about 6.5 GHz band), a first frequency band (eg, ch9, about 8 GHz band)
- the first conductive layer 510 may include a first copper layer 511 and/or a first plating layer (eg, copper plating) 512 plated thereon.
- the second conductive layer 520 may include a second copper layer 521 and a second plating layer (eg, copper plating) 522 plated thereon.
- an insulating material such as a polymer may be disposed on the first conductive layer 510 or the second conductive layer 520 .
- the dielectric substrate 530 may be implemented so that the UWB antenna 500 transmits and receives an RF signal of a specific frequency band.
- the dielectric substrate 530 may include a first modified polyimide (MPI) 531 , a second MPI 532 , a third MPI 533 , a first bonding sheet 534 , and/or a second bonding A seat 535 may be included.
- the first copper layer 511 and the first MPI 531 may form a first flexible copper clad laminate (FCCL) 501 as a main material of the FPCB.
- the second copper layer 521 and the second MPI 532 may form a second FCCL 502 .
- the first bonding sheet 534 may be disposed between the first MPI 531 and the third MPI 533 to adhere the first MPI 531 and the third MPI 533 .
- the second bonding sheet 535 may be disposed between the second MPI 532 and the third MPI 533 to adhere the second MPI 532 and the third MPI 533 .
- the third MPI 533 may be disposed between the first bonding sheet 534 and the second bonding sheet 535 .
- Radiation efficiency may be considered in determining the thickness of the dielectric substrate 530 . For example, as the thickness of the dielectric substrate 530 decreases, the radiation efficiency in the specific frequency band may decrease.
- the third MPI 533 may be added to the dielectric substrate 530 as a supplement to supplement the thickness of the dielectric substrate 530 .
- one of the third MPI 533 , the first bonding sheet 534 , or the second bonding sheet 535 may be omitted from the configuration of the dielectric substrate 530 .
- FIG. 6A shows one side of the first conductive layer 601 in the UWB antenna according to an embodiment
- FIG. 6B shows one side of the second conductive layer 602 disposed under the first conductive layer 601
- FIG. 6C shows a perspective view of a UWB antenna in which a first conductive layer 601 and a second conductive layer 602 are disposed
- 6D, 6E, and 6F are diagrams illustrating various embodiments of a patch antenna included in a UWB antenna.
- 6G and 6H are diagrams for explaining the position of a feeding point in each patch antenna of the first conductive layer 601 .
- the first conductive layer 601 (eg, the first conductive layer 510 of FIG. 5 ) includes a first patch antenna 610 , a second patch antenna 620 , and a third patch antenna 630 . ), a first transmission line 641 , a second transmission line 642 , and/or a third transmission line 643 .
- one of the patch antennas 610 , 620 , and 630 (eg, the first patch antenna 610 ) may be used as an antenna for transmitting and receiving UWB signals, and the other two may be used as antennas for receiving UWB signals.
- the first patch antenna 610 and the second patch antenna 620 face the rear surface (XY plane) so as to measure the angle in the y-axis direction (eg, the elevation angle of AoA). In this case, they may be disposed in the first direction (y-axis direction) so as not to overlap each other.
- the second patch antenna 620 may be disposed to be spaced apart from the first patch antenna 610 in the first direction without overlapping with the first patch antenna 610 .
- the second patch antenna 620 may have substantially the same shape and size as the first patch antenna 610 .
- the center of the first patch antenna 610 may be spaced apart from the center of the second patch antenna 620 by a distance dx in the x-axis direction.
- the center of the second patch antenna 620 may be spaced apart from the center of the first patch antenna 610 by a distance W1 in the y-axis direction.
- the first patch antenna 610 and the third patch antenna 630 may measure an angle in the x-axis direction (eg, the azimuth of AoA) when viewed from the back (XY plane). , may be aligned in a second direction (x-axis direction) substantially perpendicular to the first direction so as not to overlap each other.
- the third patch antenna 630 may be spaced apart from the first patch antenna 610 in the third direction (-x-axis direction) without overlapping with the first patch antenna 610 .
- the third patch antenna 630 may have substantially the same shape and size as the first patch antenna 610 .
- the center of the third patch antenna 630 may be spaced apart from the center of the first patch antenna 610 by a distance dy in the y-axis direction.
- the center of the third patch antenna 630 may be spaced apart from the center of the first patch antenna 610 by a distance W2 in the x-axis direction.
- the interval W1, the interval W2, the interval dx, or the interval dy may be determined based on the resonant frequency band of the UWB antenna, and does not exceed half a wavelength in consideration of the characteristics of AoA. may be decided not to.
- the spacing W1 may be implemented as about 13 to 20 mm (eg, about 14 mm) and the spacing dx may be implemented as about 3.6 mm.
- the spacing W2 may be implemented as about 13 to 20 mm (eg, about 13 mm), and the spacing dy may be implemented as about 1.0 mm.
- the resonance is made simultaneously in the dual frequency band, the polarity direction of the electric field is the y-axis direction, and the propagation direction of the RF signal is the Z-axis direction vertical linear polarization (vertical linear polarization) and a plurality of patch antennas 610 , 620 , 630 such that horizontal linear polarization in which the polarity direction of the electric field is the x-axis direction and the propagation direction of the RF signal is the Z-axis direction is transmitted and/or received Slits may be formed.
- the patch antennas 610 , 620 , and 630 may have a symmetrical shape when viewed with respect to the x-axis and the y-axis.
- the patch antennas 610 , 620 , and 630 may have a rectangular (or square) shape.
- the first patch antenna 610 includes a first side (or left side) 611 extending in the y-axis direction, a second side (or right side) 612 parallel to the first side 611, and an x-axis direction. It may include a third side (or upper side) 613 extending to the , and a fourth side (or lower side) 614 parallel to the third side.
- the first slit 611a may be formed in a straight line so as to be perpendicular to the first side 611 from the center of the first side 611 toward the second side 612 .
- the second slit 612a may be formed in a straight line so as to be perpendicular to the second side 612 from the center of the second side 612 toward the first side 611 .
- the third slit 613a may be formed in a straight line so as to be perpendicular to the third side 613 from the center of the third side 613 toward the fourth side 614 .
- the fourth slit 614a may be formed in a straight line so as to be perpendicular to the fourth side 614 from the center of the fourth side 614 toward the third side 613 .
- the length of the electric radiation current of the first slit 611a formed on the first side 611 and the first side 611 and the second slit 612a formed on the second side 612 and the second side 612 The vertical linear polarization of the first frequency band may be transmitted and received by the .
- horizontally linearly polarized wave of the second frequency band may be transmitted/received by
- the second patch antenna 620 and the third patch antenna 630 may also be formed to have substantially the same shape as the first patch antenna 610 .
- slits may be formed in the second patch antenna 620 and the third patch antenna 630 at substantially the same location as the first patch antenna 610 .
- the lengths of sides and slits of the first patch antenna 610 , the second patch antenna 620 , or the third patch antenna 630 may be implemented according to the resonance frequency band.
- the lengths of the first side 611 , the second side 612 , the first slit 611a , and the second slit 612a of the first patch antenna 610 are in the first frequency band. (eg, ch9, about 8 GHz band), and the length of the third side 613 , the fourth side 614 , the third slit 613a , and the fourth slit 614a is the second frequency band (eg : ch5, about 6.5GHz band) can be implemented.
- FIG. 6D shows the length of the first side 671, the second side 672, the first slit 671a, and the second slit 672a according to the second frequency band (eg, ch5, about 6.5GHz band).
- the third side 673, the fourth side 674, the third slit 673a, and the length of the fourth slit 674a are implemented according to the first frequency band (eg, ch9, about 8 GHz band).
- the reception efficiency of the receiving antenna may increase.
- the reception efficiency of the receiving antenna may decrease.
- a patch antenna implemented to receive circular polarization may have relatively lower reception efficiency than a patch antenna implemented to receive linear polarization, but not only circular polarization, but also vertical linear polarization and horizontal linear polarization When receiving, reception efficiency can be increased compared to a patch antenna implemented to receive linearly polarized waves.
- a patch antenna implemented to receive linearly polarized waves has lower reception efficiency than when receiving linearly polarized waves with the same polarization direction, but reception efficiency when receiving circularly polarized waves than when receiving linearly polarized waves with different polarization directions can be increased.
- a patch antenna may be implemented such that resonance is achieved in a single frequency band and a circularly polarized wave is transmitted (or received).
- the patch antenna 680 has the same overall shape as the first patch antenna 610 , but is located at the upper right corner based on the currently displayed drawing so that right hand circular polarization (RHCP) is transmitted and received. and a structure in which the lower left corner is cut in a triangular shape.
- the shape of the slits 681 formed in the patch antenna 680 may be formed based on a frequency (eg, a first frequency band (eg, ch9, about 8 GHz band)) supported by the patch antenna 680 . Referring to FIG.
- the patch antenna 690 has the same overall shape as the first patch antenna 610 , but has a lower right corner and an upper left corner based on the currently displayed drawing so that left hand circular polarization (LHCP) is transmitted and received.
- LHCP left hand circular polarization
- the shape of the slits 691 formed in the patch antenna 690 may be formed based on a frequency (eg, a first frequency band (eg, ch9, about 8 GHz band)) supported by the patch antenna 690 .
- the second conductive layer 602 (eg, the second conductive layer 320 of FIG. 3 ) according to an embodiment may include a ground pattern 603 .
- the ground pattern 603 is a substrate (eg, the dielectric substrate 530 of FIG. 5 ) overlapping the first conductive layer 601 when viewed from the rear surface (XY plane). can be placed in For example, when viewed in the +z-axis direction, the patch antennas 610 , 620 , 630 , or the transmission lines 641 , 642 , and 643 included in the first conductive layer 601 are ground patterns 603 .
- the patch antennas 610 , 620 , 630 , or the transmission lines 641 included in the first conductive layer 601 disposed to overlap the ground pattern 603 , 642 and 643 may not be seen by being covered by the ground pattern 603 .
- the area of the ground pattern 603 may be larger than the area of the patch antennas 610 , 620 , and 630 , or the transmission lines 641 , 642 , and 643 .
- the ground pattern 603 may be formed of a single metal plate as a common ground of the patch antennas 610 , 620 , and 630 , and thus may have a relatively rigid property. Such a hard property, for example, when an external impact is applied to the electronic device, may cause poor contact between the connector 650 and the substrate.
- the substrate may have a UWB communication circuit disposed thereon or may be electrically connected to the UWB communication circuit.
- a portion of the ground pattern 603 overlapping the connector 650 may be implemented to be flexible.
- a portion of the ground pattern 603 that overlaps with the connector 650 may have a different composition ratio of a conductive material from a portion that does not overlap with the connector 650 .
- the slits 631 when viewed in the z-axis direction, may be formed so as not to overlap the transmission lines 641 , 642 , and 643 . In one embodiment, when viewed in the z-axis direction, it is positioned between the first transmission line 641 and the first patch antenna 610 and does not overlap the first transmission line 641 and the first patch antenna 610 .
- a slit 632 may be formed along the y-axis direction.
- a slit 633 may be formed along the y-axis direction.
- a slit for uniformity of the radiation pattern may be formed in the ground pattern 603 .
- Equalization can be defined as a technical feature that allows left/right radiation patterns to have symmetry with respect to a specified direction (eg, y-axis direction). For example, when viewed in the z-axis direction, it is positioned between the first patch antenna 610 and the second patch antenna 620 and is grounded so as not to overlap the first patch antenna 610 and the second patch antenna 620 .
- a slit 634 may be formed at the edge of the pattern 603 in the x-axis direction.
- the feeding point of the patch antennas 610 , 620 , and 630 connected to the transmission line may be a corner (or a vertex) of each patch antenna.
- the feeding point may be substantially the same as the upper left corner of the currently displayed drawing.
- the feeding point may be positioned at a corner that forms the shortest signal path between the connector 650 and the patch antenna among the four corners of the patch antenna.
- the length of the transmission line may be changed as the position of the feeding point is changed.
- FIG. 6G when a slit 633 is formed between the third patch antenna 630 and the connector 650 and the upper right corner of the third patch antenna 630 is a feeding point, FIG. 6C .
- a third transmission line 663 shorter than the third transmission line 643 of the first conductive layer 601 may be formed.
- a third transmission line shorter than the third transmission line 663 of FIG. 6G (not shown) may be formed on the first conductive layer 601 . Referring to FIG.
- the second transmission line 662 shorter than the second transmission line 642 of FIG. 6C is connected to the first conductive layer 601 .
- the first conductive layer 601 may be selectively implemented by changing the length of the transmission line, and the AoA calculation may be applied by calibrating the phase difference according to the change in the length of the transmission line.
- the transmission lines 641 , 642 , and 643 are connected between the first patch antenna 610 and the third patch antenna 630 in the connector 650 when facing the rear surface (XY plane). It may extend to the edge of each patch antenna without overlapping each other.
- the transmission lines 641 , 642 , and 643 have first portions 641a , 642a , 643a having a first width W3 , and a second portion having a second width W4 and connected to a corner (feeding point). It may include the ones 641b, 642b, and 643b.
- the first width W3 may be implemented such that the first portions 641a , 642a , and 643a have a characteristic impedance of, for example, 50 ohms.
- the width of the first portions 641a, 642a, and 643a may be implemented to be about 0.5 mm.
- the second parts 641b, 642b, and 643b convert impedance to match the impedance of the patch antennas 610, 620, and 630 to the characteristic impedance of the first parts 641a, 642a, and 643a. It can act as a transformer (or trans).
- the second width W4 may be implemented to be narrower (eg, about 0.15 mm) than the first width W3 , and the length of each of the second portions 641b , 642b , and 643b is, for example, about 5 mm can be implemented as
- the width (eg, the second width W4) and the length of the second portions 641b, 642b, and 643b are determined for impedance matching between the corresponding patch antenna and the first portions 641a, 642a, and 643a. can be adjusted.
- the connector 650 may be electrically connected to the UWB communication circuit.
- the connector 650 may be electrically connected to a UWB communication circuit disposed on a board electrically connected to the connector 650 .
- FIG. 7A, 7B, and 7C illustrate a first conductive layer and a second conductive layer in a UWB antenna according to various embodiments.
- patch antennas 711 , 712 , and 713 may be arranged in an inverted L-shape as shown.
- the second patch antenna 712 may be disposed in the y-axis direction of the first patch antenna 711 and the third patch antenna 713 may be disposed in the -x-axis direction of the first patch antenna 711 .
- the connector 714 may be disposed in the -y-axis direction of the first patch antenna 711 and the third patch antenna 713 .
- the transmission lines 715 , 716 , and 717 may be formed in the first conductive layer like the patch antennas 711 , 712 , and 713 .
- the transmission lines 715 , 716 , and 717 may be connected to substantially co-located feeding points of the corresponding patch antennas 711 , 712 , 713 .
- the first transmission line 715 passes between the first patch antenna 711 and the third patch antenna 713 in the connector 714, and the first patch antenna 711 may extend to the upper left corner of
- the second transmission line 716 passes between the first patch antenna 711 and the third patch antenna 713 in the connector 714, and the second patch antenna 712 ) to the upper left corner of the
- the third transmission line 717 passes between the first patch antenna 711 and the third patch antenna 713 in the connector 714 and the third patch antenna 713 ) to the upper left corner of the
- the second conductive layer may be positioned below the first conductive layer in the -z-axis direction.
- the second conductive layer (eg, the second conductive layer 520 of FIG. 5 ) has a common ground pattern 702 (eg, the ground pattern 603 of FIG. 6B ) for the patch antennas 711 , 712 , and 713 ).
- the ground pattern 702 when viewed in the z-axis direction, it may be disposed to overlap both the patch antennas 711 , 712 , and 713 and the transmission lines 715 , 716 , and 717 .
- the patch antennas 711 , 712 , and 713 and the transmission lines 715 , 716 , and 717 may not have portions outside the ground pattern 702 .
- a slit 721 is formed along the extension direction (y-axis direction) of the first transmission line 715 at the edge of the ground pattern 702 positioned between the first transmission line 715 and the first patch antenna 711 .
- a slit 722 is formed along the extension direction (y-axis direction) of the third transmission line 717 at the edge of the ground pattern 702 positioned between the third transmission line 717 and the third patch antenna 713 .
- a slit 723 may be formed in the x-axis direction at an edge of a portion of the ground pattern 702 positioned between the first patch antenna 711 and the second patch antenna 712 .
- the second transmission line 726 passes between the first patch antenna 711 and the third patch antenna 713 in the connector 714 and the second patch antenna It may extend to the lower right corner of 712 . Accordingly, the second transmission line 726 may be shorter than the second transmission line 716 of FIG. 7A . As the length of the transmission line is shortened, the portion 731 through which the second transmission line 716 of FIG. 7A passes in the ground pattern 702 may be removed from the ground pattern 702 .
- the third transmission line 727 passes between the first patch antenna 711 and the third patch antenna 713 in the connector 714 , and is at the upper right of the third patch antenna 713 . It can extend to the edge.
- the third transmission line 727 may be shorter than the third transmission line 717 of FIG. 7A .
- the portion 732 through which the third transmission line 717 of FIG. 7A passes in the second conductive layer 702 may be removed from the ground pattern 702 .
- the ground pattern 702 may be formed to be physically separated into a first metal plate 751 , a second metal plate 752 , and a third metal plate 753 .
- the first metal plate 751 overlaps the first patch antenna 711 and the first transmission line 715
- the second metal plate 752 includes the second patch antenna 712 .
- the third metal plate 753 may be disposed to overlap the third patch antenna 713 and the third transmission line 727 .
- FIG. 8A is a diagram for explaining horizontal linear polarization in the patch antenna according to an embodiment
- FIG. 8B is a diagram for explaining vertical linear polarization in the patch antenna of FIG. 8A
- FIG. 8C is a double diagram in the patch antenna of FIG. 8A It is a diagram for explaining the characteristics of resonance.
- the resonant frequency of the patch antenna 800 may be determined by the lengths of the horizontal length 810 and the vertical length 820 .
- Double resonance may be implemented in the patch antenna 800 by the slits located at the edges.
- a first slit 811a is formed on the first side 811 so that the patch antenna 800 resonates in a first frequency band (eg, ch9, about 8 GHz band).
- a second slit 812a may be formed on the second side 812 .
- a third slit 813a is formed on the third side 813 so that the patch antenna 800 resonates in the second frequency band (eg, ch5, about 6.5 GHz band), and a fourth slit ( 814a) may be formed.
- the third slit 813a and the fourth slit 814a formed in the vertical direction may form a surface current path 830 corresponding to the second frequency band.
- the patch antenna 800 transmits horizontally linearly polarized waves in the second frequency band in which the polarity direction 840 of the electric field is the horizontal direction (X-axis direction) and the traveling direction is the Z-axis direction. and/or receive.
- the first slit 811a and the second slit 812a formed in the horizontal direction may form a surface current path 850 corresponding to the first frequency band.
- the patch antenna 800 transmits a vertical linearly polarized wave in the first frequency band in which the polarity direction 860 of the electric field is a vertical direction (Y-axis direction) and the traveling direction is the Z-axis direction. and/or receive.
- the lengths of the first slit 811a and the second slit 812a are configured to transmit a vertically linearly polarized wave of a second frequency band (eg, ch5, about 6.5 GHz band) in the patch antenna 800 and/or or, the third slit 813a and the fourth slit 814a have a length of the first frequency band (eg, ch9, about 8 GHz band) in the patch antenna 800 to transmit and/or receive horizontally linearly polarized waves. It can be implemented to receive For example, the first slit 811a and the second slit 812a may be shorter than the length shown in FIG. 8A , and the third slit 813a and the fourth slit 814a may be longer than the length shown in FIG. 8A . have.
- FIG. 9A is a diagram for explaining a resonance frequency of the patch antenna 680 of FIG. 6E
- FIG. 9B is a graph illustrating an axial ratio of a circular polarization wave in the patch antenna 680 of FIG. 6E
- the patch antenna 680 may be implemented to resonate in, for example, a first frequency band (eg, ch9, about 8 GHz band).
- the axial ratio may refer to a ratio in which the polarity of the electric field is directed in the y-axis direction compared to a ratio in which the polarity of the electric field is directed in the x-axis direction.
- FIG. 9B it can be seen that the polarized wave with the smallest axis ratio (eg, closest to a circular shape) is generated in the patch antenna 680 in the first frequency band having a center frequency of about 8 GHz.
- the resonant frequency of the patch antenna 680 may be, for example, the second frequency band.
- FIGS. 10A and 10B are diagrams for explaining a radiation pattern when the posture of the portable electronic device 300 of FIG. 3A is in a portrait mode (or a portrait mode)
- FIGS. 10C and 10D are views illustrating the portable electronic device 300 of FIG. 3A
- the first patch antenna 610 and the third patch antenna 630 are x It may be aligned in a direction substantially parallel to the axis, and the first patch antenna 610 and the second patch antenna 620 may be aligned in a direction substantially parallel to the y-axis. Accordingly, when the posture of the portable electronic device 300 is in the vertical mode, the first patch antenna 610 and the third patch antenna 630 provide an x-axis angle (azimuth) of a UWB signal received by the UWB antenna. can be used for measurement.
- the first patch antenna 610 and the second patch antenna 620 may be used to measure an angle (elevation angle) in the y-axis direction of a UWB signal received by the UWB antenna.
- the processor eg, the processor 120 of FIG. 1
- the phase difference between the two signals may be calculated using the difference
- the elevation angle may be calculated using the phase difference and the distance between the two patch antennas 610 and 620 (eg, “interval W1” in FIG. 6A ).
- the processor calculates the phase difference between the two signals using the difference between the reception time of the first signal and the reception time of the third signal received from the third patch antenna 630 , and between the phase difference and the two patch antennas 610 and 630 .
- the azimuth may be calculated using the distance (eg, “interval W2” of FIG. 6A ).
- the common ground pattern of the patch antennas 610 , 620 , and 630 in order to mount the UWB antenna in the limited internal space of the portable electronic device 300 has a symmetrical structure ( Example: It can be implemented as an asymmetric structure instead of a square). Accordingly, the UWB signal from the UWB antenna may be radiated in an asymmetrical shape 1010 when viewed from the XY plane in the z-axis direction. Also, although not shown in FIG. 10B , a null pattern in which the UWB signal is not radiated at a specific angle may be created. Since the ground pattern 603 of FIG.
- the UWB signal from the UWB antenna is a slit when viewed from the XY plane in the z-axis direction
- a ground pattern in which 634 is not formed may be radiated in a symmetrical shape 1020 than that of the ground pattern. Since the radiation pattern is symmetric with respect to the x-axis and the null pattern is removed, the calculation of AoA can be relatively accurate.
- the first patch antenna 610 and the second patch antenna 620 are x It may be aligned in a direction substantially parallel to the axis, and the first patch antenna 610 and the third patch antenna 630 may be aligned in a direction substantially parallel to the y-axis.
- the common ground pattern of the patch antennas 610 , 620 , and 630 may be implemented as an asymmetric structure. Accordingly, the UWB signal from the UWB antenna may be radiated in an asymmetrical shape 1030 when viewed from the XY plane in the z-axis direction.
- the UWB signal from the UWB antenna is symmetrical when viewed from the XY plane in the z-axis direction. It may be radiated in a typical shape 1040 .
- the operations 1100 include the processor 120 of the electronic device (eg, the electronic device 101 of FIG. 1 ) operating as an initiator that searches for an external electronic device (eg, the electronic device 102 of FIG. 1 ) (responder). can be executed by
- the memory eg, the memory 130 of FIG. 1
- the electronic device includes a UWB antenna having a structure (eg, the first conductive layer 601 in FIG.
- the processor 120 may perform operations 1100 using a UWB signal received from a UWB antenna through a UWB communication circuit (eg, the UWB communication circuit 220 of FIG. 2 ).
- the first frequency band is one of ch5 (eg, about 6.5 GHz band) and ch9 (eg, about 8 GHz band)
- the second frequency band is ch9 (eg, about 8 GHz band) and ch5 (eg, about 6.5) GHz band).
- the first frequency band or the second frequency band is not limited thereto, and may partially overlap or be changed to another bandwidth.
- the processor 120 may transmit a first request message requesting transmission of a signal for positioning of the external electronic device to the external electronic device through the UWB communication circuit.
- the external electronic device may transmit the promised UWB communication channel, for example, a UWB signal of the first frequency band.
- the processor 120 determines whether the first received signal is a main signal of the second frequency band while receiving the UWB signal of the first frequency band from the UWB antenna through the UWB communication circuit.
- the main signal may mean a signal having the largest intensity (eg, RSSI) among received signals of a corresponding channel.
- a signal that first arrives at the electronic device is also called a line of sight (LOS) signal, and may mean a signal that is not reflected by a metal object from an external electronic device and directly reaches the electronic device.
- a signal arriving thereafter is referred to as a so-called NLOS (not line of sight) signal, and may mean a signal that is reflected by a metal object from an external electronic device and arrives at the electronic device.
- LOS line of sight
- NLOS not line of sight
- the processor 120 may perform an AoA operation using the LOS signal of the first frequency band.
- the processor 120 may perform operation 1140 .
- the LOS signal may not be the main signal.
- the received NLOS signal is reflected from the metal object, so that the polarization direction may be shifted closer to the polarization direction of the receiving antenna. Accordingly, the NLOS signal may be the main signal.
- the processor 120 may transmit a second request message requesting transmission of the UWB signal of the second frequency band to the external electronic device through the UWB communication circuit.
- the external electronic device may transmit a UWB signal of the second frequency band.
- the processor 120 may determine whether the first received LOS signal is the main signal while receiving the UWB signal of the second frequency band from the UWB antenna through the UWB communication circuit.
- the processor 120 may perform an AoA operation using the LOS signal of the second frequency band in operation 1160 .
- the processor 120 may perform operation 1170 .
- the processor 120 determines the signal strength difference (hereinafter, first difference value) between the LOS signal of the first frequency band and the main signal of the first frequency band and the LOS signal of the second frequency band and the main signal of the second frequency band.
- a difference in signal strength between signals (hereinafter, a second difference value) may be compared.
- the processor 120 may perform the AoA operation using the main signal of the first frequency band.
- the processor 120 may perform the AoA operation using the main signal of the second frequency band.
- an ultra wide band (UWB) antenna may include a dielectric substrate; a first conductive layer disposed on one surface of the dielectric substrate; and a second conductive layer disposed on the other surface of the dielectric substrate.
- the first conductive layer has a structure for receiving a first UWB signal in a first frequency band in which the polarity direction of the electric field is a vertical linear polarization and a second UWB signal in a second frequency band in which the polarization direction of the electric field is a horizontal linear polarization patch antenna; a second patch antenna disposed to be spaced apart from the first patch antenna in a first direction (eg, a y-axis direction in FIG.
- the second conductive layer may include the first patch antenna, the second patch antenna, and the third patch antenna when facing the second conductive layer in the first direction and a third direction perpendicular to the second direction. , a ground pattern overlapping the first transmission line, the second transmission line, and the third transmission line.
- a first slit (eg, 634 in FIG. 6B ) is formed in the second conductive layer, wherein the first slit is formed between the first patch antenna and the second conductive layer when viewed from the third direction facing the second conductive layer. It may be formed inward from the edge of the portion positioned between the second patch antennas.
- the first transmission line, the second transmission line, and the third transmission line are formed on the upper surface of the dielectric substrate without overlapping with each other, and the first transmission line is the first patch antenna and the second transmission line in the connector. It may extend to the first patch antenna through between the three-patch antennas.
- the second transmission line may extend from the connector to the second patch antenna passing between the first patch antenna and the third patch antenna.
- the third transmission line may extend from the connector to the third patch antenna passing between the first patch antenna and the third patch antenna.
- a second slit and a third slit are formed in the second conductive layer, and the second slit (eg, 631 in FIG. 6B ) is disposed between the first transmission line and the second transmission line and between the second transmission line and the second transmission line. It may be formed between the third transmission lines.
- the third slits (eg, 632 and 633 of FIG. 6B ) may be formed between the third patch antenna and the third transmission line and between the first patch antenna and the first transmission line.
- the first patch antenna, the second patch antenna, and the third patch antenna have first and second sides extending parallel to the first direction and a third side extending parallel to the second direction, respectively. And it may be a quadrilateral consisting of a fourth side.
- a first slit is formed inside the rectangle parallel to the second direction at the first side and a second slit is formed inside the rectangle at the second side parallel to the second direction, so that the first UWB signal is transmitted It can be received with a UWB antenna.
- a third slit is formed inside the rectangle parallel to the first direction at the third side and a fourth slit is formed inside the rectangle at the fourth side parallel to the first direction, so that the second UWB signal is transmitted It can be received with a UWB antenna.
- the length of the first slit and the second slit may be implemented such that the UWB antenna resonates in one of UWB communication channels 5 and 9.
- the lengths of the third slit and the fourth slit may be implemented such that the UWB antenna resonates in the other one of UWB communication channels 5 and 9.
- the channel 5 may be about 6.25 ⁇ 6.75 GHz
- the channel 9 may be about 7.75 ⁇ 8.25 GHz.
- a feeding point may be formed at a corner of the quadrangle, for example, at an upper left corner.
- a feeding point may be formed at a corner forming the shortest signal path with the connector among the four corners of the rectangle.
- an ultra wide band (UWB) antenna may include a dielectric substrate; a first conductive layer disposed on one surface of the dielectric substrate; and a second conductive layer disposed on the other surface of the dielectric substrate.
- the first conductive layer may include: a first patch antenna having a structure for receiving a UWB signal in which the polarity direction of the electric field is circularly polarized; a second patch antenna disposed spaced apart from the first patch antenna in a first direction (eg, the y-axis direction of FIG.
- a third patch antenna that does not overlap the first patch antenna and is spaced apart in a second direction (eg, the x-axis direction of FIG. 6A ) perpendicular to the first direction, and has the same structure as the first patch antenna ; a first transmission line connecting the connector and the first patch antenna; a second transmission line connecting the connector and the second patch antenna; and a third transmission line connecting the connector and the third patch antenna.
- the second conductive layer may include the first patch antenna, the second patch antenna, and the third patch antenna when facing the second conductive layer in the first direction and a third direction perpendicular to the second direction. , a ground pattern overlapping the first transmission line, the second transmission line, and the third transmission line.
- the first patch antenna, the second patch antenna, and the third patch antenna have first and second sides extending parallel to the first direction and a third side extending parallel to the second direction, respectively.
- a quadrangle including and a fourth side a first corner and a second corner positioned on a diagonal line with the first corner may be cut in a triangular shape.
- a first slit may be formed from the first side to the inside of the rectangle parallel to the second direction.
- a second slit may be formed in the second side parallel to the second direction in the rectangle.
- a third slit may be formed in the third side parallel to the first direction and inside the quadrangle.
- a fourth slit may be formed inside the quadrangle in parallel to the first direction on the fourth side.
- the lengths of the first slit, the second slit, the third slit, and the fourth slit may be implemented such that the UWB antenna resonates in one of UWB communication channels 5 and 9.
- the channel 5 may be about 6.25 ⁇ 6.75 GHz
- the channel 9 may be about 7.75 ⁇ 8.25 GHz.
- the electronic device may include an ultra wide band (UWB) antenna; processor; and converting the baseband signal received from the processor into an RF signal of a frequency band designated to be used for UWB communication and outputting it to the UWB antenna, converting the RF signal received from the UWB antenna into a baseband signal and outputting it to the processor configured communication circuitry.
- the UWB antenna may have a structure for receiving a first UWB signal in which the polarity direction of the electric field is vertically linearly polarized and a second UWB signal in which the polarization direction of the electric field is horizontally linearly polarized.
- the processor is, while receiving the UWB signal of the first communication channel from the external electronic device through the communication circuit, the signal of the first communication channel first received from the external electronic device is the second communication channel having the greatest signal strength.
- an operation of performing an angle of arrival (AoA) operation using the main signal of the first communication channel and the first signal of the first communication channel is the main signal of the first communication channel if not, transmitting a message requesting transmission of the UWB signal of the second communication channel to an external electronic device through the communication circuit, and transmitting the UWB signal of the second communication channel to an external electronic device through the communication circuit
- the first signal of the second communication channel is used to calculate AoA, and when the first signal of the second communication channel is not the main signal of the second communication channel, AoA using the main signal of the first communication channel or the main signal of the second communication channel
- the processor is configured to include a first difference value indicating a difference in strength between the first signal of the first communication channel and the main signal of the first communication channel and the strength between the first signal of the second communication channel and the main signal of the second communication channel. Comparing a second difference value indicating a difference, and when the first difference value is greater than the second difference value, calculating AoA using the main signal of the first communication channel; When the value is greater than the first difference value, the operation of calculating AoA may be performed using the main signal of the second communication channel.
- the UWB signal of the first communication channel is one of the first UWB signal and the second UWB signal
- the UWB signal of the second communication channel is the other one of the first UWB signal and the second UWB signal
- the first communication channel is Channel 9 of UWB communication channels
- the second communication channel may be channel 5 of UWB communication channels
- the channel 5 may be about 6.25 to 6.75 GHz
- the channel 9 may be about 7.75 to 8.25 GHz.
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Abstract
Description
Claims (15)
- UWB(ultra wide band) 안테나에 있어서,유전체 기판;상기 유전체 기판의 일면에 배치된 제1도전 층; 및상기 유전체 기판의 타면에 배치된 제2 도전 층을 포함하고,상기 제1도전 층은,전기장의 극성 방향이 수직 선형 편파인 제1주파수 대역의 제1UWB 신호와 전기장의 극성 방향이 수평 선형 편파인 제2주파수 대역의 제2UWB 신호를 수신하는 구조를 갖는 제1패치 안테나;상기 제1패치 안테나와 제1방향으로 이격되어 배치되고, 상기 제1패치 안테나와 동일한 구조를 갖는 제2패치 안테나;상기 제1패치 안테나와 상기 제1방향과 직각인 제2방향으로 이격되어 배치되고, 상기 제1패치 안테나와 동일한 구조를 갖는 제3패치 안테나;커넥터와 상기 제1패치 안테나를 연결하는 제1전송선로;상기 커넥터와 상기 제2패치 안테나를 연결하는 제2전송선로; 및상기 커넥터와 상기 제3패치 안테나를 연결하는 제3전송선로를 포함하고,제2도전 층은,상기 제1방향 및 상기 제2방향과 직각인 제3방향에서 상기 제2도전 층을 마주하고 볼 때, 상기 제1패치 안테나, 상기 제2패치 안테나, 상기 제3패치 안테나, 상기 제1전송선로, 상기 제2전송선로, 및 상기 제3전송선로와 중첩되는 그라운드 패턴을 포함하는 UWB 안테나.
- 제1항에 있어서, 상기 제2도전층에 제1슬릿이 형성되되,상기 제1슬릿은, 상기 제3방향에서 상기 제2도전 층을 마주하고 볼 때, 상기 제1패치 안테나와 상기 제2패치 안테나 사이에 위치하는 부분의 가장자리에서 안쪽으로 형성된 것인, UWB 안테나.
- 제1항에 있어서, 상기 제1전송선로, 상기 제2전송선로, 및 상기 제3전송선로는, 서로 겹침 없이, 상기 유전체 기판의 상면에 형성되되,상기 제1전송선로는 상기 커넥터에서 상기 제1패치 안테나와 상기 제3패치 안테나 사이를 지나 상기 제1패치 안테나까지 연장되고,상기 제2전송선로는 상기 커넥터에서 상기 제1패치 안테나와 상기 제3패치 안테나 사이를 지나 상기 제2패치 안테나까지 연장되고,상기 제3전송선로는 상기 커넥터에서 상기 제1패치 안테나와 상기 제3패치 안테나 사이를 지나 상기 제3패치 안테나까지 연장된, UWB 안테나.
- 제3항에 있어서, 상기 제2도전층에 제2슬릿과 제3슬릿이 형성되되,상기 제2슬릿은 상기 제1전송선로와 상기 제2전송선로 사이 및 상기 제2전송선로와 상기 제3 전송선로 사이에 형성되고,상기 제3슬릿은 상기 제3패치 안테나와 상기 제3전송선로 사이 및 상기 제1패치 안테나와 상기 제1전송선로 사이에 형성된, UWB 안테나.
- 제1항에 있어서, 상기 제1패치 안테나, 상기 제2패치 안테나, 및 상기 제3패치 안테나는 각각,상기 제1방향에 평행하게 연장된 제1변과 제2변 및 상기 제2방향에 평행하게 연장된 제3변과 제4변으로 이루어진 사각형이고,상기 제1변에서 상기 제2방향과 평행하게 상기 사각형 안쪽으로 제1슬릿이 형성되고 상기 제2변에서 상기 제2방향과 평행하게 상기 사각형 안쪽으로 제2슬릿이 형성됨으로써 상기 제1UWB 신호가 상기 UWB 안테나로 수신되고,상기 제3변에서 상기 제1방향과 평행하게 상기 사각형 안쪽으로 제3슬릿이 형성되고 상기 제4변에서 상기 제1방향과 평행하게 상기 사각형 안쪽으로 제4슬릿이 형성됨으로써 상기 제2UWB 신호가 상기 UWB 안테나로 수신되는, UWB 안테나.
- 제5항에 있어서,상기 제1슬릿과 상기 제2슬릿의 길이는 UWB 통신 채널 5와 9 중 하나에서 상기 UWB 안테나가 공진하도록 구현되고,상기 제3슬릿과 상기 제4슬릿의 길이는 UWB 통신 채널 5와 9 중 다른 하나에서 상기 UWB 안테나가 공진하도록 구현되고,상기 채널 5는 약 6.25 ~ 6.75GHz이고, 상기 채널 9는 약 7.75 ~ 8.25GHz인, UWB 안테나.
- 제5항에 있어서,상기 사각형의 좌측 상단 모서리에 급전 점이 형성되는 UWB 안테나.
- 제5항에 있어서,상기 사각형의 네 모서리 중에서 상기 커넥터와 가장 짧은 신호 경로를 형성하도록 하는 모서리에 급전 점이 형성되는 UWB 안테나.
- UWB(ultra wide band) 안테나에 있어서,유전체 기판;상기 유전체 기판의 일면에 배치된 제1도전 층; 및상기 유전체 기판의 타면에 배치된 제2 도전 층을 포함하고,상기 제1도전 층은,전기장의 극성 방향이 원형 편파인 UWB 신호를 수신하는 구조를 갖는 제1패치 안테나;상기 제1패치 안테나와 중첩되지 않으면서 제1방향으로 이격되어 배치되고, 상기 제1패치 안테나와 동일한 구조를 갖는 제2패치 안테나;상기 제1패치 안테나와 중첩되지 않으면서 상기 제1방향과 직각인 제2방향으로 이격되어 배치되고, 상기 제1패치 안테나와 동일한 구조를 갖는 제3패치 안테나;커넥터와 상기 제1패치 안테나를 연결하는 제1전송선로;상기 커넥터와 상기 제2패치 안테나를 연결하는 제2전송선로; 및상기 커넥터와 상기 제3패치 안테나를 연결하는 제3전송선로를 포함하고,제2도전 층은,상기 제1방향 및 상기 제2방향과 직각인 제3방향에서 상기 제2도전 층을 마주하고 볼 때, 상기 제1패치 안테나, 상기 제2패치 안테나, 상기 제3패치 안테나, 상기 제1전송선로, 상기 제2전송선로, 및 상기 제3전송선와 중첩되는 그라운드 패턴을 포함하는 UWB 안테나.
- 제9항에 있어서,상기 제1패치 안테나, 상기 제2패치 안테나, 및 상기 제3패치 안테나는 각각, 상기 제1방향에 평행하게 연장된 제1변과 제2변 및 상기 제2방향에 평행하게 연장된 제3변과 제4변을 포함하는 사각형에서, 제1모퉁이 및 상기 제1모퉁이와 대각선 상에 위치하는 제2모퉁이가 삼각형 형태로 절단된 구조이고,상기 제1변에서 상기 제2방향과 평행하게 상기 사각형 안쪽으로 제1슬릿이 형성되고,상기 제2변에서 상기 제2방향과 평행하게 상기 사각형 안쪽으로 제2슬릿이 형성되고,상기 제3변에서 상기 제1방향과 평행하게 상기 사각형 안쪽으로 제3슬릿이 형성되고,상기 제4변에서 상기 제1방향과 평행하게 상기 사각형 안쪽으로 제4슬릿이 형성된, UWB 안테나.
- 제10항에 있어서,상기 제1슬릿, 상기 제2슬릿, 상기 제3슬릿, 및 상기 제4슬릿의 길이는 UWB 통신 채널 5와 9 중 하나에서 상기 UWB 안테나가 공진하도록 구현되고,상기 채널 5는 약 6.25 ~ 6.75GHz이고, 상기 채널 9는 약 7.75 ~ 8.25GHz인, UWB 안테나.
- 전자 장치에 있어서,UWB(ultra wide band) 안테나;프로세서; 및상기 프로세서로부터 수신된 기저대역 신호를 UWB 통신에 사용되도록 지정된 주파수 대역의 RF 신호로 변환하여 UWB 안테나로 출력하고, 상기 UWB 안테나로부터 수신된 RF 신호를 기저대역 신호로 변환하여 상기 프로세서로 출력하도록 구성된 통신 회로를 포함하고,상기 UWB 안테나는 전기장의 극성 방향이 수직 선형 편파인 제1UWB신호와 전기장의 극성 방향이 수평 선형 편파인 제2UWB 신호를 수신하는 구조를 갖고,상기 프로세서는,제1통신 채널의 UWB 신호를 상기 통신 회로를 통해 외부 전자 장치로부터 수신하는 동안, 상기 외부 전자 장치로부터 첫번째로 수신된 상기 제1통신 채널의 신호가 신호의 세기가 가장 큰 상기 제1통신 채널의 첫번째 신호인 경우, 상기 제1통신 채널의 메인 신호를 이용하여 AoA(angle of arrival) 연산을 수행하고,상기 제1통신 채널의 첫번째 신호가 상기 제1통신 채널의 메인 신호가 아닌 경우, 제2통신 채널의 UWB 신호를 전송해 줄 것을 요청하는 메시지를 상기 통신 회로를 통해 외부 전자 장치로 전송하고,상기 제2통신 채널의 UWB 신호를 상기 통신 회로를 통해 외부 전자 장치로부터 수신하는 동안, 상기 외부 전자 장치로부터 첫번째로 수신된 상기 제2통신 채널의 신호가 신호의 세기가 가장 큰 상기 제2통신 채널의 메인 신호인 경우, 상기 제2통신 채널의 첫번째 신호를 이용하여 AoA 연산을 수행하고,상기 제2통신 채널의 첫번째 신호가 상기 제2통신 채널의 메인 신호가 아닌 경우, 상기 제1통신 채널의 메인 신호 또는 상기 제2통신 채널의 메인 신호를 이용하여 AoA 연산을 수행하도록 구성된 전자 장치.
- 제12항에 있어서, 상기 프로세서는,상기 제1통신 채널의 첫번째 신호와 상기 제1통신 채널의 메인 신호 간의 세기 차이를 나타내는 제1차이값과 상기 제2통신 채널의 첫번째 신호와 상기 제2통신 채널의 메인 신호 간의 세기 차이를 나타내는 제2차이값을 비교하고,상기 제1차이값이 상기 제2차이값보다 큰 경우, 상기 제1통신 채널의 메인 신호를 이용하여 AoA 연산을 수행하고,상기 제2차이값이 상기 제1차이값보다 큰 경우, 상기 제2통신 채널의 메인 신호를 이용하여 AoA 연산을 수행하도록 구성된 전자 장치.
- 제13항에 있어서, 상기 제1통신 채널의 UWB 신호는 상기 제1UWB 신호 및 상기 제2UWB 신호 중 하나이고 상기 제2통신 채널의 UWB 신호는 상기 제1UWB 신호 및 상기 제2UWB 신호 중 다른 하나이되,상기 제1통신 채널은 UWB 통신 채널들 중 채널 9이고,상기 제2통신 채널은 UWB 통신 채널들 중 채널 5이고,상기 채널 5는 약 6.25 ~ 6.75GHz이고, 상기 채널 9는 약 7.75 ~ 8.25GHz인, 전자 장치.
- 제12항에 있어서,상기 UWB 안테나는,상기 제1UWB 신호와 상기 제2UWB 신호를 수신하는 구조를 갖는 제1패치 안테나;상기 제1패치 안테나와 중첩되지 않으면서 제1방향으로 이격되어 배치되고, 상기 제1패치 안테나와 동일한 구조를 갖는 제2패치 안테나;상기 제1패치 안테나와 중첩되지 않으면서 상기 제1방향과 직각인 제2방향으로 이격되어 배치되고, 상기 제1패치 안테나와 동일한 구조를 갖는 제3패치 안테나;커넥터와 상기 제1패치 안테나를 연결하는 제1전송선로;상기 커넥터와 상기 제2패치 안테나를 연결하는 제2전송선로; 및상기 커넥터와 상기 제3패치 안테나를 연결하는 제3전송선로를 포함하고,제2도전 층은,상기 제1방향 및 상기 제2방향과 직각인 제3방향에서 상기 제2도전 층을 마주하고 볼 때, 상기 제1패치 안테나, 상기 제2패치 안테나, 상기 제3패치 안테나, 상기 제1전송선로, 상기 제2전송선로, 및 상기 제3전송선로와 중첩되는 그라운드 패턴을 포함하는 것인, 전자 장치.
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| CN202180056713.8A CN116325357A (zh) | 2020-08-04 | 2021-07-30 | Uwb天线和包括其的电子装置 |
| US18/106,245 US12374808B2 (en) | 2020-08-04 | 2023-02-06 | UWB antenna and electronic device including same |
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| CN116636087A (zh) | 2020-11-26 | 2023-08-22 | 三星电子株式会社 | 包括多个天线的电子装置及其操作方法 |
| KR20220138236A (ko) * | 2021-04-05 | 2022-10-12 | 삼성전자주식회사 | 안테나 모듈 및 이를 포함하는 전자 장치 |
| JP7533777B2 (ja) * | 2021-04-28 | 2024-08-14 | 株式会社村田製作所 | アンテナ装置 |
| KR102952354B1 (ko) * | 2021-05-20 | 2026-04-14 | 삼성전자주식회사 | 안테나 및 그것을 포함하는 전자 장치 |
| WO2023214842A1 (ko) | 2022-05-04 | 2023-11-09 | 삼성전자 주식회사 | 안테나를 포함하는 전자 장치 |
| TWI839792B (zh) * | 2022-07-27 | 2024-04-21 | 華碩電腦股份有限公司 | 超寬頻天線裝置 |
| US12597699B2 (en) | 2023-07-18 | 2026-04-07 | Samsung Electronics Co., Ltd. | Electronic device including antenna |
| WO2025018760A1 (ko) * | 2023-07-18 | 2025-01-23 | 삼성전자 주식회사 | 안테나를 포함하는 전자 장치 |
| WO2025089882A1 (ko) * | 2023-10-25 | 2025-05-01 | 삼성전자 주식회사 | 안테나를 포함하는 전자 장치 |
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| US20230178901A1 (en) | 2023-06-08 |
| EP4178036B1 (en) | 2026-04-22 |
| KR102951025B1 (ko) | 2026-04-13 |
| US12374808B2 (en) | 2025-07-29 |
| EP4178036A4 (en) | 2024-04-03 |
| EP4178036A1 (en) | 2023-05-10 |
| KR20220017131A (ko) | 2022-02-11 |
| CN116325357A (zh) | 2023-06-23 |
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