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WO2021112512A1 - Structure de communication sans fil et dispositif électronique utilisant ladite structure - Google Patents

Structure de communication sans fil et dispositif électronique utilisant ladite structure Download PDF

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Publication number
WO2021112512A1
WO2021112512A1 PCT/KR2020/017287 KR2020017287W WO2021112512A1 WO 2021112512 A1 WO2021112512 A1 WO 2021112512A1 KR 2020017287 W KR2020017287 W KR 2020017287W WO 2021112512 A1 WO2021112512 A1 WO 2021112512A1
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WO
WIPO (PCT)
Prior art keywords
filter
feeding point
frequency band
electronic device
band
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2020/017287
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English (en)
Korean (ko)
Inventor
고용림
양동일
조남준
나효석
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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Filing date
Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of WO2021112512A1 publication Critical patent/WO2021112512A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B1/0458—Arrangements for matching and coupling between power amplifier and antenna or between amplifying stages
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/12—Neutralising, balancing, or compensation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/12—Neutralising, balancing, or compensation arrangements
    • H04B1/123—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/18—Input circuits, e.g. for coupling to an antenna or a transmission line
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/44—Transmit/receive switching
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/50—Circuits using different frequencies for the two directions of communication

Definitions

  • Various embodiments of the present invention relate to a wireless communication structure and an electronic device using the same.
  • Electronic devices may provide various functions.
  • a smart phone has a short-range wireless communication (eg, Bluetooth, Wi-Fi, or near field communication) function, mobile communication (3G (generation), 4G, 5G, etc.) function, a music or video playback function, a shooting function, or a navigation function may be provided.
  • a short-range wireless communication eg, Bluetooth, Wi-Fi, or near field communication
  • mobile communication 3G (generation), 4G, 5G, etc.
  • the electronic devices may include at least one antenna to provide a wireless communication function.
  • Electronic devices may include separate antennas for each frequency band.
  • the electronic device may include a broadband antenna capable of transmitting and receiving wireless signals of multiple frequency bands.
  • the electronic device When a plurality of antennas are included, it may be difficult for the electronic device to secure a space for disposing the plurality of antennas, and it may be difficult to secure a physical separation distance to prevent interference between the antennas.
  • the electronic device uses at least one circuit and/or component (eg, a diplexer, an antenna switch, and a GPS) to separate radio signals transmitted and received through the broadband antenna for each frequency band.
  • at least one circuit and/or component eg, a diplexer, an antenna switch, and a GPS
  • global positioning system may include an extractor (extractor) for signal separation.
  • extractor extractor
  • the electronic device may experience an increase in material cost, a lack of an arrangement space, and/or an increase in insertion loss.
  • Various embodiments of the present disclosure may provide an electronic device capable of transmitting and receiving wireless signals of a plurality of frequency bands through one antenna using a multiplexing structure and securing antenna performance for each band. .
  • An electronic device includes, for example, a first wireless communication circuit including a first filter for processing a first wireless signal of a first frequency band and filtering the signal of the first frequency band ; a second radio communication circuit that processes a second radio signal of a second frequency band and includes a second filter for filtering the signal of the second frequency band; an antenna for transmitting and receiving radio signals of the first frequency band and the second frequency band, the antenna including a first feeding point and a second feeding point; connecting the first feeding point and the first filter, such that a first load impedance at the first feeding point is matched with a first radio signal of the first frequency band, and a first transmission line to be opened for a second radio signal; and connecting the second feeding point and the second filter, such that a second load impedance at the second feeding point matches the second radio signal of the second frequency band, It may include a second transmission line to be opened for the first radio signal.
  • An electronic device processes a radio signal of a specific frequency band and receives a first filter for filtering a signal of a reception band of the specific frequency band and a radio signal of the specific frequency band.
  • a wireless communication circuit including a second filter for filtering; an antenna for transmitting and receiving a radio signal of the specific frequency band and including a first feeding point and a second feeding point; connected to the first feeding point, such that a first load impedance at the first feeding point is matched to a reception band of the specific frequency band, and is open to a transmission band of the specific frequency band a first transmission line; and a second transmission line connected to the second feeding point so that a second load impedance at the second feeding point matches the specific frequency band.
  • An electronic device processes a radio signal of a specific frequency band and receives a first filter for filtering a signal of a reception band of the specific frequency band and a transmission signal of the specific frequency band.
  • a wireless communication circuit including a second filter for filtering; an antenna for transmitting and receiving a radio signal of the specific frequency band and including a first feeding point and a second feeding point; connected to the first feeding point, such that a first load impedance at the first feeding point is matched to a reception band of the specific frequency band, and is open to a transmission band of the specific frequency band a first transmission line; and a second transmission line connected to the second feeding point so that a second load impedance at the second feeding point is matched to the transmission band and open to the reception band.
  • one antenna may operate for each frequency band (eg, a narrowband antenna optimized for each frequency band rather than a wideband antenna for transmitting and receiving a plurality of frequency bands). can increase the radiation efficiency of
  • Various embodiments of the present invention can transmit and receive wireless signals of a plurality of frequency bands through one antenna, so that an antenna arrangement space can be secured, and restrictions on an arrangement position can be reduced.
  • the electronic device may remove some parts of sub-booms generally included in a radio frequency front end (RFFE) structure, thereby reducing material costs and reducing insertion loss.
  • RFFE radio frequency front end
  • FIG. 1 is a block diagram of an electronic device in a network environment, according to an embodiment of the present invention.
  • 2A is a diagram illustrating a wireless communication structure of an electronic device according to an embodiment of the present invention.
  • 2B is a diagram illustrating load impedance according to frequency at each feeding point of an antenna according to an embodiment of the present invention.
  • 2C is a diagram illustrating a resonant frequency at each feeding point of an antenna according to an embodiment of the present invention.
  • FIG. 3 is a diagram illustrating a wireless communication structure of an electronic device according to another embodiment of the present invention.
  • FIG. 4 is a diagram illustrating a wireless communication structure of an electronic device according to another embodiment of the present invention.
  • FIG. 5 is a diagram illustrating a wireless communication structure of an electronic device according to another embodiment of the present invention.
  • 6A is a diagram illustrating a wireless communication structure of an electronic device according to another embodiment of the present invention.
  • 6B to 6F are diagrams for explaining an arrangement example of a filter and a notch filter according to various embodiments of the present disclosure.
  • 7A is a diagram illustrating radiation performance when dual power is supplied to an antenna of an electronic device according to a comparative example.
  • 7B is a diagram illustrating radiation performance of a wireless communication structure of an electronic device according to an embodiment of the present invention.
  • FIG. 8 is a diagram illustrating an example of disposing an antenna in an electronic device according to an embodiment of the present invention.
  • FIG. 1 is a block diagram of an electronic device 101 in a network environment 100 according to various embodiments of the present disclosure.
  • the electronic device 101 communicates with the 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 . 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 .
  • 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 .
  • at least one of these components eg, the connection terminal 178
  • some of these components are integrated into one component (eg, display module 160 ). can be
  • the processor 120 executes software (eg, the program 140) to execute at least one other component (eg, 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, the 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 may be, for example, on behalf of the main processor 121 while the main processor 121 is in an inactive (eg, sleep) state, or when 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, image signal processor or communication processor
  • may be implemented as part of another functionally related component eg, camera module 180 or 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 AI 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 can be used to receive incoming calls. 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 .
  • 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, a 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 specified 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.
  • 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 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 wireless communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module 194 (eg, : It may include a local area network (LAN) communication module, or a power line communication module).
  • 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).
  • 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
  • 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.
  • 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) may be supported.
  • 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 surface) 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.
  • the 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.
  • FIG. 2A is a diagram illustrating a wireless communication structure of an electronic device according to an embodiment of the present invention
  • FIG. 2B is a diagram illustrating a load impedance according to frequency at each feeding point of an antenna according to an embodiment of the present invention
  • FIG. 2C is a diagram illustrating a resonant frequency at each feeding point of an antenna according to an embodiment of the present invention.
  • an electronic device (eg, the electronic device 101 ) according to an embodiment of the present invention includes a first wireless communication circuit 210 , a second wireless communication circuit 220 , and a first transmission It may include a line 215 , a second transmission line 225 , and/or an antenna 230 (eg, an antenna module 197 ).
  • the first wireless communication circuit 210 may transmit/receive a first wireless signal of a first frequency band.
  • the first wireless communication circuit 210 may include a first radio frequency front end (RFFE) 211 and a first radio frequency integrated circuit (RFIC) 212 .
  • RFFE radio frequency front end
  • RFIC radio frequency integrated circuit
  • the first RFFE 211 may pre-process the first radio signal received from the antenna 230 and amplify the signal transmitted from the first RFIC 212 . can do.
  • the first RFFE 211 includes a first filter (eg, a duplexer) 211a for separating a transmission/reception band, a first low-noise amplifier 211b for amplifying a received signal, and/or a first for amplifying a transmission signal
  • a power amplifier 211c may be included.
  • the first RFIC 212 down-converts a reception signal of a first frequency band into a baseband signal, and converts a baseband signal to be transmitted into a transmission signal of the first frequency band. can be up-converted.
  • the second wireless communication circuit 220 may transmit/receive a second wireless signal of a second frequency band.
  • the second wireless communication circuit 220 may include a second RFFE 221 and a second RFIC 222 .
  • the second RFFE 221 may pre-process the second radio signal received from the antenna 230 and may amplify the transmission signal transmitted from the second RFIC 222 .
  • the second RFFE 221 may include a second filter (eg, a duplexer) 221a for separating a transmission/reception band, a second low-noise amplifier 221b for amplifying a reception signal, and/or a second filter for amplifying a transmission signal
  • Two power amplifiers 221c may be included.
  • the second RFIC 222 may down-convert a received signal of the second frequency band into a baseband signal, and up-convert a baseband signal to be transmitted into a transmit signal of the second frequency band.
  • the first transmission line 215 may connect the first feeding point 231 of the antenna 230 and the first RFFE 211 .
  • the second transmission line 225 may connect the second feeding point 232 of the antenna 230 and the second RFFE 221 .
  • the first transmission line 215 and the second transmission line 225 may include a microstripline or a stripline.
  • the first transmission line 215 and the second transmission line 225 include a flexible printed circuit board (FPCB), an antenna carrier on which an antenna is disposed, a coaxial cable, a printed circuit board and/or It may be formed (or implemented/disposed) on at least one of the connection members connecting the antenna to the printed circuit board.
  • FPCB flexible printed circuit board
  • the first feeding point 231 of the antenna 230 and the first RFFE 211 are connected by the first transmission line 215 in FIG. 2A
  • the first transmission line The 215 and the first RFEE 211 may be connected through a coaxial cable.
  • the second transmission line 225 and the second RFEE 221 may be connected through a coaxial cable.
  • the antenna 230 may transmit or receive a first radio signal and/or a second radio signal.
  • the antenna 230 may include, for example, an inverted F-type antenna (IFA) or a planar inverted F-type antenna (PIFA).
  • IFA inverted F-type antenna
  • PIFA planar inverted F-type antenna
  • the antenna 230 may include a plurality of feeding points.
  • the antenna 230 may include a first feeding point 231 and a second feeding point 232 .
  • the first load impedance at the first feeding point 231 of the antenna 230 has a value matching the first radio signal of the first frequency band, and has an effect on the second radio signal of the second frequency band It can have very large values that do not give a value (eg, close to infinity (eg operating as an open circuit)).
  • the first load impedance for the first radio signal at the first feeding point 231 is close to (or adjacent to) the center 251 of the Smith chart.
  • the first load impedance for the second radio signal is located (matched), and it can be seen that the first load impedance for the second radio signal is located (open) close to (or adjacent to) the right end 252 of the Smith chart. In this way, the first wireless signal from the first feeding point 231 of the antenna 230 may be transmitted to the first wireless communication circuit 210, but the second wireless signal is reflected or blocked. Able to know.
  • the second load impedance at the second feeding point 232 of the antenna 230 has a value matching the second radio signal of the second frequency band, and the first radio signal of the first frequency band. can have very large values (e.g. values close to infinity) that have no effect on .
  • the second load impedance for the second radio signal at the second feeding point 232 is close to (or adjacent to) the center 261 of the Smith chart. ) is located (matched), and it can be seen that the second load impedance for the first radio signal is located (open) close to (or adjacent to) the right end 262 of the Smith chart.
  • the second wireless signal from the second feeding point 232 of the antenna 230 may be transmitted to the second wireless communication circuit 220 , but the first wireless signal is reflected or blocked.
  • the first load impedance and the second load impedance may be controlled by adjusting the length and/or width of the first transmission line 215 and the second transmission line 225 .
  • the length and/or width of the first transmission line 215 is matched to the first radio signal at the first feeding point 231 of the antenna 230, and the second radio signal is not affected by the second radio signal.
  • 1 may be configured to have a load impedance.
  • the length and/or width of the second transmission line 225 is matched to the second radio signal at the second feeding point 232 of the antenna 230, and the first radio signal is not affected by the first radio signal. 2 It may be configured to have a load impedance.
  • the antenna 230 includes a broadband antenna for transmitting and receiving radio signals of a first frequency band and a second frequency band, as shown in the diagram of the identification code 270 or 280 of FIG. 2C . Otherwise, it may operate as an antenna having a resonant frequency of the first frequency band F1 or may operate as an antenna having a resonant frequency of the second frequency band F2.
  • the electronic device according to an embodiment of the present invention includes one antenna 230, the electronic device may operate similarly to a wireless communication structure including each antenna for each frequency band. Also, the electronic device may reduce restrictions on an antenna arrangement space and/or an arrangement position by using only one antenna space.
  • the electronic device includes at least one circuit and/or component (element) (eg, a diplexer) for separating radio signals of a first frequency band and a second frequency band. ), antenna switch (antenna switch)) is not included, so material cost can be reduced, insertion loss is reduced, and radiation performance can be improved.
  • element e.g, a diplexer
  • antenna switch antenna switch
  • the electronic device may support carrier aggregation (CA) by using the antenna 230 .
  • CA carrier aggregation
  • the electronic device may perform carrier aggregation on a first wireless signal transmitted/received through the first feeding point 231 of the antenna 230 and a second wireless signal transmitted/received through the second feeding point 232 .
  • the electronic device can support carrier aggregation using a single antenna, carrier aggregation can be efficiently implemented compared to a structure that needs to include a plurality of antennas. For example, an antenna that transmits and receives a radio signal in a low frequency band (eg, about several hundred MHz band) may have a relatively large size.
  • the electronic device may have difficulty in supporting carrier aggregation for low frequency bands because it is difficult to arrange a large number of antennas of a large size.
  • the electronic device according to an embodiment of the present invention can support carrier aggregation with one antenna, it is possible to easily implement carrier aggregation for frequencies in a low frequency band.
  • the antenna 230 may further include a grounding point (not shown) connected to a grounding area of the electronic device.
  • the first RFIC 212 and the second RFIC 222 may be implemented as one chip or package.
  • the first RFFE 211 and the second RFFE 221 may be implemented as one chip or package.
  • FIG. 3 is a diagram illustrating a wireless communication structure of an electronic device according to another embodiment of the present invention.
  • an electronic device (eg, electronic device 101 ) according to another embodiment of the present invention includes a wireless communication circuit 310 , a first transmission line 315 , a second transmission line 325 , and / or an antenna 330 (eg, an antenna module 197).
  • the wireless communication circuit 310 may transmit/receive a wireless signal of a specific frequency band.
  • the wireless communication circuit 310 may support RX diversity.
  • the wireless communication circuitry 310 may include an RFFE 311 and an RFIC 312 .
  • the RFFE 311 includes a first filter 311d for filtering a first reception signal, a second filter (eg, a duplexer) 311a for separating a signal of a transmission/reception band, and a second reception It may include a low-noise amplifier 311b for amplifying a signal, and/or a power amplifier 311c for amplifying a transmission signal.
  • a first filter 311d for filtering a first reception signal
  • a second filter eg, a duplexer
  • a second reception It may include a low-noise amplifier 311b for amplifying a signal, and/or a power amplifier 311c for amplifying a transmission signal.
  • the electronic device may transmit/receive wireless signals of a transmission band and a reception band of a specific frequency band, rather than transmitting/receiving wireless signals of a plurality of frequency bands through the antenna 330 .
  • the antenna 330 has a resonance frequency optimized for the reception band and a resonance frequency optimized for a specific frequency band (including a transmission band and a reception band). can be implemented.
  • the first feeding point 331 of the antenna 330 is connected to the first filter 311d of the RFFE 311 through the first transmission line 315, and the second feeding point 332 may be connected to the second filter 311a through the second transmission line 325 .
  • the first load impedance at the first feeding point 331 of the antenna 330 has a value that matches the first reception signal of the reception band, and corresponds to the transmission signal of the transmission band transmitted through the second feeding point 332 . It can have very large values (eg close to infinity that can operate as an open circuit) with no effect on the value.
  • the first reception signal is transmitted through the first transmission line 315 and the first filter 311d to the first reception terminal RX1 of the RFIC 312 .
  • a signal other than the first received signal cannot be transmitted to the RFFE 311 through the first feeding point 331 .
  • the second load impedance at the second feeding point 332 of the antenna 330 may have a value matched to a specific frequency band (including a transmission band and a reception band).
  • the second reception signal at the second feeding point 332 of the antenna 230 is transmitted through the second transmission line 325 , the second filter 311a and the low noise amplifier 311b of the RFIC 312 . It is transmitted to the second receiving terminal RX2, and the transmission signal TX is transmitted through the power amplifier 311c, the second filter 311a, and the second transmission line 325 to the second feeding point 332 of the antenna 330. ) can be transmitted.
  • the electronic device uses only the signal received through the first receiving terminal RX1 or the first reception received through the first receiving terminal RX1 and the second receiving terminal RX2 Receive diversity may be supported using the signal and the second received signal.
  • the above-described embodiment of the present invention can improve the radiation performance of the reception band by providing an antenna optimized for the reception band of a specific frequency band.
  • the transmission band and the reception band may be separated. For example, only the radio signal of the reception band may be received through the first feeding point 331 , and only the radio signal of the transmission band, not the transmission/reception band, may be transmitted through the second feeding point 332 .
  • the first load impedance at the first feeding point 331 may be implemented to have a very large value that matches the reception signal and does not affect the transmission band.
  • the second load impedance at the second feeding point 332 may be implemented to have a very large value that matches the transmission signal and does not affect the reception signal.
  • the second filter 311a of the electronic device may be a filter that filters a radio signal of a transmission band, not a duplexer, and the low-noise amplifier 311b is disposed between the first filter 311d and the RFIC 312 .
  • the low-noise amplifier 311b is disposed between the first filter 311d and the RFIC 312 .
  • FIG. 4 is a diagram illustrating a wireless communication structure of an electronic device according to another embodiment of the present invention.
  • an electronic device (eg, electronic device 101 ) according to an embodiment of the present invention includes a first wireless communication circuit 410 , a second wireless communication circuit 420 , and a first transmission line 415 . ), a second transmission line 425 , and/or an antenna 430 (eg, an antenna module 197 ).
  • a description of a configuration similar to or identical to the configuration described above with reference to FIGS. 2A to 3 will be omitted.
  • the first wireless communication circuit 410 may transmit/receive a first wireless signal of a first frequency band.
  • the first wireless communication circuit 410 may include a first RFFE 411 and/or a first RFIC 412 .
  • the first RFFE 411 includes a first filter (eg, a duplexer) 411a for separating a transmission/reception band, a first low-noise amplifier 411b for amplifying a reception signal, and/or a transmission A power amplifier 411c for amplifying the signal may be included.
  • the second wireless communication circuit 420 may receive a wireless signal (eg, a GPS signal, a GNSS signal, or a GLONASS signal) of the second frequency band.
  • the second wireless communication circuit 420 may include a second RFFE 421 and/or a second RFIC 422 .
  • the second RFFE 421 according to an embodiment of the present invention includes a second low-noise amplifier 421a for amplifying a received signal, a second filter 421c and/or a third filter 421b for filtering the received signal. can do.
  • the electronic device may transmit/receive a radio signal of a first frequency band and receive a radio signal of a second frequency band through the antenna 430 .
  • the first feeding point 431 of the antenna 430 is connected to the first RFFE 411 through the first transmission line 415
  • the second feeding point 432 is the second feeding point 432 . It may be connected to the second RFFE 421 through two transmission lines 425 .
  • the first load impedance at the first feeding point 431 of the antenna 430 has a value that matches the first frequency band, and does not affect the second frequency band. can have a large value.
  • the reception signal of the first frequency band at the first feeding point 431 of the antenna 430 is transmitted through the first transmission line 415 , the first filter 411a, and the first low-noise amplifier 411b. It may be transmitted to the receiving terminal RX1 of the first RFIC 412 .
  • the transmission signal of the first frequency band is transmitted to the first RFIC 412 through the power amplifier 411c , the first filter 411a , and the first transmission line 415 . It may be transmitted from the transmission terminal (TX) of the first feeding point (431).
  • the radio signal of the second frequency band at the first feeding point 431 of the antenna 430 may be reflected or blocked.
  • the second load impedance at the second feeding point 432 of the antenna 430 has a value matching the second frequency band (eg, the GPS reception band), and the first frequency band It can have a very large value that does not affect .
  • the received signal of the second frequency band at the second feeding point 432 of the antenna 430 may include a second transmission line 425 , a second filter 421c , a second low noise amplifier 421a and a second frequency band. 3 is transmitted to the receiving terminal RX2 of the second RFIC 412 through the filter 421b, and the radio signal of the first frequency band may be reflected or blocked.
  • the electronic device does not include a global positioning system (GPS) extractor generally included in the electronic device, material cost can be reduced, insertion loss is reduced, and radiation performance can improve
  • GPS global positioning system
  • FIG. 5 is a diagram illustrating a wireless communication structure of an electronic device according to another embodiment of the present invention.
  • an electronic device (eg, electronic device 101 ) according to an embodiment of the present invention includes a first wireless communication circuit 510 including a first RFFE 511 and a first RFIC 512 .
  • a second wireless communication circuit 520 including a second RFFE 521 and a second RFIC 522 , a first transmission line 515 , a second transmission line 525 , and/or an antenna 530 (for example, the antenna module 197) may be included.
  • a description of a configuration similar to or identical to the configuration described above with reference to FIGS. 2A to 4 will be omitted.
  • the first wireless communication circuit 510 may be similar to or identical to the first wireless communication circuit 210 of FIG. 2A and the first wireless communication circuit 410 of FIG. 4 .
  • the first RFFE 511 of the first wireless communication circuit 510 may include a first filter (eg, a duplexer) 511a, a first low noise amplifier 511b, and a first power amplifier 511c.
  • the first wireless communication circuit 510 may be a legacy communication circuit.
  • the second wireless communication circuit 520 may transmit/receive a wireless signal of the second frequency band.
  • the second wireless communication circuit 520 may be a new radio (NR) communication circuit.
  • the second wireless communication circuit 520 may transmit and receive a wireless signal of the 5G Sub 6 band (about 6Ghz or less).
  • the second RFFE 521 of the second wireless communication circuit 520 may include a second filter 521a, a switch 521b, a second low noise amplifier 521c, and/or a second power amplifier 521d. have.
  • the first wireless communication circuit 510 transmits and receives a radio signal of legacy communication through the first feeding point 531 of the antenna 530
  • the second wireless communication circuit It may be similar to the above-described embodiments, except that the 520 transmits and receives a radio signal of the 5G Sub 6 band through the second feeding point 532 of the antenna 530 .
  • FIGS. 6A to 6F are views for explaining an arrangement example of a filter and a notch filter according to various embodiments of the present invention.
  • an electronic device (eg, the electronic device 101 ) according to an embodiment of the present invention includes a first wireless communication circuit including a first RFFE 611 and a first RFIC 612 . 610 , a second wireless communication circuit 620 including a second RFFE 621 and a second RFIC 622 , a first cross band filter 611a , and a second relative band filter 621a ), a first transmission line 615 , a second transmission line 625 , and/or an antenna 630 (eg, an antenna module 197 ).
  • a description of a configuration similar to or identical to the configuration described in FIGS. 2A to 5 will be omitted.
  • the antenna 630 may include a ground point 634 connected to the ground area 60 of the electronic device (eg, a ground layer of a printed circuit board).
  • the first RFFE 611 of the first wireless communication circuit 610 is a first notch filter 611c, a first filter (eg, a duplexer) 611d, a first low noise amplifier ( 611e) and/or a first power amplifier 611f.
  • the first filter 611d, the first low-noise amplifier 611e, and the first power amplifier 611f include the first filter 211a, the first low-noise amplifier 211b and the first power amplifier 211c of FIG. 2A and may be similar or identical.
  • the first relative band filter 611a may block radio signals of the counterpart frequency band (eg, the second frequency band). Through this, it is possible to prevent the signal of the second frequency band from being introduced (or abandoned) to the first wireless communication circuit 610 through the first feeding point 631 .
  • the first notch filter 611c is disposed between the first filter 611d and the first relative band filter 611a, and when a radio signal of the second frequency band is transmitted and received, the first The load impedance at the first feeding point 631 for the two frequency bands may be very large.
  • the first notch filter 611c may be of a tunable type.
  • the value of the first notch filter 611c is such that, when transmitting and receiving a radio signal of the second frequency band, the load impedance for the second frequency band at the first feeding point 631 has a very large value ( Example: It can be changed to move as far as possible to the right end of the Smith chart).
  • the first RFFE 611 may further include a first antenna switch module (not shown).
  • a first antenna switch module (not shown).
  • the first antenna switch module (not shown) is switched to be connected to the first filter 611d when transmitting and receiving a radio signal of one of the frequency bands supported by the first wireless communication circuit 610, and another When transmitting and receiving a radio signal of a frequency band, it may be switched to be connected to another filter (not shown).
  • the first notch filter 611c may be included in the first antenna switch module (not shown).
  • the first filter 611d may be replaced with a switch that switches a transmission path and a reception path when the first wireless communication circuit 610 transmits and receives a wireless signal in a time division manner.
  • the second RFFE 621 of the second wireless communication circuit 620 is a second notch filter 621c, a second filter (eg, a duplexer) 621d, a second low-noise amplifier ( 621e) and/or a second power amplifier 621f.
  • the second filter 621d, the second low noise amplifier 621e, and the second power amplifier 621f include the second filter 221a, the second low noise amplifier 221b and the second power amplifier 221c of FIG. 2A. may be similar or identical.
  • the second relative band filter 621a may block radio signals of the counterpart frequency band (eg, the first frequency band). Through this, it is possible to prevent the signal of the first frequency band from being introduced (or abandoned) to the second wireless communication circuit 620 through the second feeding point 632 .
  • the second notch filter 621c is disposed between the second filter 621d and the second relative band filter 621a, and when transmitting and receiving a radio signal of the first frequency band, the first The load impedance at the second feeding point 632 for one frequency band may be very large.
  • the second notch filter 621c may be of a tunable type.
  • the value of the second notch filter 621c is such that, when transmitting and receiving a radio signal of the first frequency band, the load impedance for the first frequency band at the second feeding point 632 has a very large value ( Example: It can be varied (to move as far as possible to the right end of the Smith chart).
  • the second RFFE 621 may further include a second antenna switch module (not shown). For example, when the second wireless communication circuit 620 supports a plurality of frequency bands, the second RFFE 621 switches the path of the radio signal between the second notch filter 621c and the second filter 621d. It may further include a second antenna switch module (not shown). According to another embodiment, the second notch filter 621c may be included in the second antenna switch module (not shown).
  • the second filter 621d may be replaced with a switch for switching a transmission path and a reception path when the second wireless communication circuit 620 transmits and receives a wireless signal in a time division manner.
  • a first relative band filter 611a is disposed between the first feeding point 631 and the first filter 611d
  • the first RFEE 611 is a first notch A first filter 611d, a first low noise amplifier 611e, and a first power amplifier 611f may be included without including a filter.
  • the second relative band filter 621a is disposed between the second feeding point 632 and the second filter 621d, the second RFFE 621 does not include the first notch filter, and the second It may include a filter 621d, a second low noise amplifier 621e, and a second power amplifier 621f.
  • a first notch filter 611c rather than a first relative band filter is disposed between the first feeding point 631 and the first filter 611d, and the first RFEE 611 ) may include a first filter 611d, a first low-noise amplifier 611e, and a first power amplifier 611f.
  • a second notch filter 621c not a second relative band filter, is disposed between the second feeding point 632 and the second filter 621d, and the second RFEE 621 is the second filter 621d ), a second low-noise amplifier 621e and a second power amplifier 621f.
  • a first notch filter 611c is disposed between the first feeding point 631 and the first filter 611d, and the first RFEE 611 is a first filter ( 611d), a first low-noise amplifier 611e, and a first power amplifier 611f.
  • a second relative band filter 621a is disposed between the second feeding point 632 and the second filter 621d, and the second RFFE 621 includes a second filter 621d and a second low-noise amplifier. 621e and a second power amplifier 621f.
  • a first notch filter 611c is disposed between the first feeding point 631 and the first filter 611d
  • the first RFFE 611 is a first filter ( 611d), a first low-noise amplifier 611e, and a first power amplifier 611f.
  • a second relative band filter and a second notch filter are not disposed between the second feeding point 632 and the second filter 621d
  • the second RFEE 621 includes a second filter 621d and a second low-noise amplifier ( 621e) and a second power amplifier 621f.
  • a third notch filter 624 may be disposed between the ground point 634 and the ground region 60 .
  • a relative band filter may be disposed between the ground point 634 and the ground region 60 .
  • the grounding point 634 may be located between the first feeding point 631 and the second feeding point 632 .
  • the ground point 634 may have an open state with respect to the first wireless signal based on the first feeding point 631 and may act as a ground for the second wireless signal.
  • the ground point 634 may act as an open state for the second wireless signal based on the second feeding point 632 and act as a ground for the first wireless signal.
  • a first notch filter 611c is disposed between the first feeding point 631 and the first filter 611d, and the first RFFE 611 is a first filter ( 611d), a first low-noise amplifier 611e, and a first power amplifier 611f.
  • a second relative band filter 621a is disposed between the second feeding point 632 and the second filter 621d, and the second RFFE 621 includes a second filter 621d, a second low-noise amplifier 621e and A second power amplifier 621f may be included.
  • a third notch filter 624 may be disposed between the ground point 634 and the ground region 60 .
  • FIGS. 6A to 6F is only an example and does not limit the embodiments of the present invention.
  • the relative band filter and the notch filter may be variously disposed.
  • the above-described embodiment of FIGS. 2A to 6F is only an example and does not limit the embodiments of the present invention.
  • each of the embodiments of FIGS. 6A to 6F may be applied to the embodiments of FIGS. 2A to 5 .
  • at least two of the embodiments of FIGS. 2A to 6F may be combined.
  • FIG. 7A is a diagram illustrating radiation performance of an antenna of an electronic device according to a comparative example during double feeding
  • FIG. 7B is a diagram illustrating radiation performance of a wireless communication structure of an electronic device according to an embodiment of the present invention.
  • the antenna 70 of the comparative example may include a first feed point 71 , a second feed point 72 , a radiator 73 , and a ground point 74 .
  • a radio signal of a first frequency band eg, 2.4 GHz
  • a second frequency band Example: 5 GHZ
  • a slight (eg, about 3 dB) resonance occurs with respect to the second frequency band at point 72 .
  • the antenna 730 includes a first feeding point 731 , a second feeding point 732 , a radiator 733 , a grounding point 734 , a first transmission line 735 , and a second A transmission line 736 may be included.
  • the first transmission line 735 may be formed to extend by a predetermined size (eg, 8 mm) from the first feeding point 731 .
  • the length of the first transmission line 735 may be such that the load impedance at the first feeding point 731 has a very large value that is not affected by the second frequency band.
  • the width of the first transmission line 735 may be adjusted.
  • the second transmission line 736 may be formed to extend by a predetermined size (eg, 9 mm) from the second feeding point 732 .
  • the length of the second transmission line 736 may be such that the load impedance at the second feeding point 732 has a very large value that is not affected by the first frequency band.
  • the width of the second transmission line 736 may be adjusted.
  • the antenna 730 generates resonance in the first frequency band (2.4 GHz) at the first feeding point 731 and in the second frequency band (5 GHz). It can be seen that resonance does not occur.
  • the antenna 730 generates resonance in the second frequency band (5 GHz) at the second feeding point 732 and in the first frequency band (2.4 GHz). It can be seen that resonance does not occur.
  • the antenna 730 may operate as an antenna optimized for the first frequency band based on the first feeding point 731 and the second feeding point 732 . ) may operate as an antenna optimized for the second frequency band.
  • FIG. 8 is a diagram illustrating an example of disposing an antenna in an electronic device according to an embodiment of the present invention.
  • an antenna 830 may be disposed in a part of the housing 80 of the electronic device (eg, the electronic device 101 ) so as to be adjacent to the interface module.
  • the antenna 830 according to an embodiment of the present invention has a housing 80 in which the arrangement of the antenna 830 may be restricted due to the arrangement of the charging interface module 810 and the ear jack interface module 820 . It may be placed on a part (eg, at the bottom) of the In the electronic device according to an embodiment of the present invention, the antenna 830 may transmit and receive wireless signals of different frequency bands through the first feeding point 831 and the second feeding point 832 , so that a plurality of antennas are disposed. it may not be In this way, in one embodiment of the present invention, restrictions on the arrangement space and/or arrangement position of the antenna 830 may be reduced.
  • An electronic device processes a first radio signal of a first frequency band and a first filter (eg, a first filter for filtering the signal of the first frequency band) 1 filter (211a, 411a, 511a, 611d)) including a first wireless communication circuit (eg, a first wireless communication circuit (210, 410, 510, 610)); A second radio communication circuit including a second filter (eg, second filters 221a, 421c, 521a, 621d) for processing a second radio signal of a second frequency band and filtering the signal of the second frequency band (eg, the first wireless communication circuit (210, 410, 510, 610)); Transmits and receives radio signals of the first frequency band and the second frequency band, and a first feeding point (eg, a first feeding point 231, 431, 531, 631, 731, 831) and a second feeding point (example) :
  • An antenna eg, an antenna module 197
  • a first cross band filter (eg, a first cross band filter 611a) located between the first feeding point and the first filter and blocking the second radio signal ;
  • it may further include at least one of a second relative band filter (eg, a second relative band filter 621a) located between the second feeding point and the second filter and blocking the first radio signal.
  • a first notch filter eg, a first notch filter 611c
  • the second feed point and the second relative band filter or between the second relative band filter and the second filter, such that the second load impedance is open to the first radio signal
  • At least one of the second notch filters may be further included.
  • the first load impedance is a first notch filter to open to the second radio signal;
  • it may further include at least one of a second notch filter positioned between the second feeding point and the second filter and configured to open the second load impedance to the first radio signal.
  • At least one of the first notch filter and the second notch filter may be of a tunable type.
  • the antenna may further include a grounding point (eg, grounding points 634 and 734) connected to a grounding area (eg, the grounding area 60) of the electronic device, and A third relative band filter or a third notch filter (eg, a third notch filter 634) positioned between the ground regions may be further included.
  • a grounding point eg, grounding points 634 and 734
  • a third relative band filter or a third notch filter eg, a third notch filter 634 positioned between the ground regions may be further included.
  • the first wireless communication circuit may be a cellular communication circuit
  • the second wireless signal may be a global positioning system (GPS) communication circuit.
  • GPS global positioning system
  • the first wireless communication circuit may be a legacy communication circuit
  • the second wireless signal may be a new radio (NR) communication circuit
  • the first wireless signal and the second wireless signal may be capable of carrier aggregation (CA).
  • CA carrier aggregation
  • the antenna is an interface module (eg, an interface module (eg, interface 177, charging interface module 810, ear jack interface module 820) and adjacent housing (eg, housing 80)) It can be placed in a part of an interface module (eg, an interface module (eg, interface 177, charging interface module 810, ear jack interface module 820) and adjacent housing (eg, housing 80)) It can be placed in a part of an interface module (eg, an interface module (eg, interface 177, charging interface module 810, ear jack interface module 820) and adjacent housing (eg, housing 80)) It can be placed in a part of an interface module (eg, an interface module (eg, interface 177, charging interface module 810, ear jack interface module 820) and adjacent housing (eg, housing 80)) It can be placed in a part of an interface module (eg, an interface module (eg, interface 177, charging interface module 810, ear jack interface module 820) and adjacent housing (eg
  • the first transmission line and the second transmission line may include an antenna carrier on which the antenna is disposed, a flexible printed circuit board, a coaxial cable, a printed circuit board, or the printed antenna. It may be implemented in at least one of the connection members connected to the circuit board.
  • the antenna may include an inverted F-type antenna (IFA) or a planar inverted F-type antenna (PIFA).
  • IFA inverted F-type antenna
  • PIFA planar inverted F-type antenna
  • An electronic device processes a radio signal of a specific frequency band and filters a signal of a reception band of the specific frequency band (eg, a first filter) a filter (311d)) and a second filter (eg, a second filter 311a) for filtering the radio signal of the specific frequency band; a wireless communication circuit (eg, a wireless communication circuit 310);
  • An antenna eg, an antenna
  • An antenna that transmits and receives a radio signal of the specific frequency band and includes a first feeding point (eg, the first feeding point 331) and a second feeding point (eg, the second feeding point 332) module 197, antenna 330); connected to the first feeding point, such that a first load impedance at the first feeding point is matched to a reception band of the specific frequency band, and is open to a transmission band of the specific frequency band a first transmission line (eg, the first transmission line 315); and a second transmission line (eg, the second transmission line 3
  • the wireless communication circuit may support receive diversity based on a first received signal received through the first feeding point and a second received signal received through the second feeding point.
  • it may further include a first relative band filter (eg, a first relative band filter 611a) located between the first feeding point and the first filter and blocking the radio signal of the transmission band.
  • a first relative band filter eg, a first relative band filter 611a located between the first feeding point and the first filter and blocking the radio signal of the transmission band.
  • the first load impedance is the transmission signal It may further include a first notch filter (eg, a first notch filter 611c) to be opened with respect to .
  • a first notch filter eg, a first notch filter 611c
  • the first notch filter may be positioned between the first feeding point and the first filter, and may further include a first notch filter configured to open the first load impedance to the transmission signal.
  • the antenna may further include a grounding point (eg, grounding points 634 and 734) connected to a grounding area (eg, the grounding area 60) of the electronic device, and A second notch filter (eg, a third notch filter 634) positioned between the ground regions may be further included.
  • a grounding point eg, grounding points 634 and 734
  • a second notch filter eg, a third notch filter 634 positioned between the ground regions may be further included.
  • the first transmission line and the second transmission line may include an antenna carrier on which the antenna is disposed, a flexible printed circuit board, a coaxial cable, a printed circuit board, or the printed antenna. It may be implemented in at least one of the connection members connected to the circuit board.
  • An electronic device processes a radio signal of a specific frequency band and filters a signal of a reception band of the specific frequency band (eg, a first filter) a filter 311d) and a wireless communication circuit (eg, a wireless communication circuit 310) including a second filter for filtering the transmission signal of the specific frequency band; an antenna for transmitting and receiving a radio signal of the specific frequency band and including a first feeding point and a second feeding point; connected to the first feeding point, such that a first load impedance at the first feeding point is matched to a reception band of the specific frequency band, and is open to a transmission band of the specific frequency band a first transmission line; and a second transmission line connected to the second feeding point so that a second load impedance at the second feeding point is matched to the transmission band and open to the reception band.
  • a wireless communication circuit eg, a wireless communication circuit 310
  • 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 simply be used to distinguish the component from other such components, and refer to the component in another aspect (e.g., importance or order) is not limited.
  • One (eg, first) component is referred to as “coupled” or “connected” to another (eg, second) component, with or without the terms “functionally” or “communicatively”.
  • 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
  • Various embodiments of the present document include one or more instructions stored in a storage medium (eg, internal memory 136 or external memory 138) readable by a machine (eg, electronic device 101).
  • a machine eg, electronic device 101
  • the processor eg, the processor 120
  • the device eg, the 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
  • the method according to various embodiments disclosed in this document may be provided as included 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 (eg downloaded or uploaded) directly or online 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.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)

Abstract

Divers modes de réalisation de l'invention concernent une structure de communication sans fil et un dispositif électronique utilisant ladite structure. Le dispositif électronique peut comprendre : un premier circuit de communication sans fil permettant de traiter un premier signal radio d'une première bande de fréquence, et comprenant un premier filtre permettant de filtrer le signal de la première bande de fréquence ; un second circuit de communication sans fil permettant de traiter un second signal radio d'une seconde bande de fréquence, et comprenant un second filtre permettant de filtrer le signal de la première bande de fréquence ; une antenne permettant d'émettre ou de recevoir les signaux radio de la première bande de fréquence et de la seconde bande de fréquence, et comprenant un premier point d'alimentation électrique et un second point d'alimentation électrique ; une première ligne de transmission permettant de connecter le premier point d'alimentation électrique et le premier filtre de façon à ce qu'une première impédance de charge au niveau du premier point d'alimentation électrique corresponde au premier signal radio de la première bande de fréquence, celle-ci étant ouverte par rapport au second signal radio de la seconde bande de fréquence ; et une seconde ligne de transmission permettant de connecter le second point d'alimentation électrique et le second filtre de façon à ce qu'une seconde impédance de charge au niveau du second point d'alimentation électrique corresponde au second signal radio de la seconde bande de fréquence, celle-ci étant ouverte par rapport au premier signal radio de la première bande de fréquence. Divers modes de réalisation sont également possibles.
PCT/KR2020/017287 2019-12-02 2020-11-30 Structure de communication sans fil et dispositif électronique utilisant ladite structure Ceased WO2021112512A1 (fr)

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KR10-2019-0158339 2019-12-02
KR1020190158339A KR20210068827A (ko) 2019-12-02 2019-12-02 무선 통신 구조 및 그를 이용하는 전자 장치

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WO2025053535A1 (fr) * 2023-09-04 2025-03-13 삼성전자 주식회사 Dispositif électronique comprenant une antenne

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KR20130069443A (ko) * 2011-12-14 2013-06-26 인피니언 테크놀로지스 아게 Ｒｆ 수신기용 시스템 및 방법
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