WO2022191537A1 - Dispositif électronique pour fournir un point d'étalonnage et son procédé de fonctionnement - Google Patents

Dispositif électronique pour fournir un point d'étalonnage et son procédé de fonctionnement Download PDF

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Publication number
WO2022191537A1
WO2022191537A1 PCT/KR2022/003167 KR2022003167W WO2022191537A1 WO 2022191537 A1 WO2022191537 A1 WO 2022191537A1 KR 2022003167 W KR2022003167 W KR 2022003167W WO 2022191537 A1 WO2022191537 A1 WO 2022191537A1
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WIPO (PCT)
Prior art keywords
signal
transceiver
coupler
electronic device
switch
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PCT/KR2022/003167
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English (en)
Korean (ko)
Inventor
이상돈
김도헌
김종완
김호종
이덕희
장규재
Original Assignee
삼성전자 주식회사
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Publication of WO2022191537A1 publication Critical patent/WO2022191537A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/11—Monitoring; Testing of transmitters for calibration
    • 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
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/15—Performance testing
    • H04B17/19—Self-testing arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/21—Monitoring; Testing of receivers for calibration; for correcting measurements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/29—Performance testing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • 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
    • H04B2001/0408—Circuits with power amplifiers
    • H04B2001/0416—Circuits with power amplifiers having gain or transmission power control

Definitions

  • Various embodiments disclosed in this document relate to an electronic device that provides a calibration point and an operating method thereof.
  • the electronic device undergoes a radio frequency calibration process in the course of production and undergoes quality check.
  • the wireless calibration process is a process of adjusting physically different reception levels (Tx levels) and transmission levels (Rx levels) of each electronic device to be substantially the same, so that substantially identical performance can be obtained for each electronic device.
  • the wireless calibration process may mean readjusting the electronic device according to the reference point and scale of the measurement unit through the measurement equipment.
  • a calibration point eg, an RF connector
  • a wireless calibration device may be provided in the transmission line of the electronic device.
  • a wireless calibration process for adjusting a reception level and/or a transmission level for all transmission lines may be performed.
  • the electronic device may include a structure that enables a wireless calibration process to be performed on a plurality of transmission lines while reducing calibration points.
  • An electronic device includes a transceiver, a first power amplification module generating a first output signal for a first input signal from the transceiver, and a second input signal from the transceiver
  • a second power amplification module generating two output signals, a first coupler obtaining a coupling signal for the first output signal of the first power amplification module, and a second output signal of the second power amplification module
  • a second coupler for obtaining a coupling signal a coupler switch electrically connected to the first coupler and the second coupler, and transferring an output signal for the first coupling signal or the second coupling signal to the transceiver , an element for obtaining at least a part of the signal of the output signal from the coupler switch, and one connector for outputting the at least part of the signal from the element to measurement equipment.
  • the electronic device may include a structure that enables a wireless calibration process to be performed on a plurality of transmission lines while reducing a calibration point.
  • the electronic device may secure space by reducing the calibration points.
  • 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 an electronic device according to an embodiment of the present disclosure.
  • FIG 3 illustrates an example in which an electronic device provides an RF calibration point using a distributor according to an embodiment of the present disclosure.
  • FIG. 4 illustrates another example in which an electronic device provides an RF calibration point using a distributor according to an embodiment of the present disclosure.
  • FIG 5 illustrates another example in which an electronic device provides an RF calibration point using a switch according to an embodiment of the present disclosure.
  • FIG. 6 illustrates another example in which an electronic device provides an RF calibration point using a switch according to an embodiment of the present disclosure.
  • FIG. 7 is a flowchart illustrating an RF calibration operation according to an embodiment of the present disclosure.
  • FIG. 8 is a flowchart illustrating an RF calibration operation according to an embodiment of the present disclosure.
  • FIG. 9 is a flowchart illustrating an RF calibration operation according to an embodiment of the present disclosure.
  • FIG. 1 is a block diagram of an electronic device 101 in a network environment 100 according to various embodiments of the present disclosure.
  • 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 .
  • 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 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 an embodiment, as at least part of data processing or operation, the processor 120 stores a command or data received from another component (eg, the sensor module 176 or the communication module 190 ) into the volatile memory 132 . may be stored in , 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 stores a command or data received from another component (eg, the sensor module 176 or the communication module 190 ) into the volatile memory 132 .
  • the processor 120 stores a command or data received from another component (eg, the sensor module 176 or the communication module 190 ) into the volatile memory 132 .
  • the processor 120 is a 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).
  • a main processor 121 eg, 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 secondary processor 123 may, for example, act 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 auxiliary processor 123 eg, image signal processor or communication processor
  • 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 (eg, the processor 120 or the sensor module 176 ) of the electronic device 101 .
  • 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 by 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 an embodiment, the receiver may be implemented separately from or as a 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 ) connected directly or wirelessly with the electronic device 101 .
  • the electronic device 102) eg, a speaker or headphones
  • the electronic device 102 may output a sound.
  • 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 .
  • the 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 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 wireless communication module 192 eg, a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module
  • GNSS global navigation satellite system
  • 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 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 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 .
  • subscriber information eg, International Mobile Subscriber Identifier (IMSI)
  • IMSI International Mobile Subscriber Identifier
  • 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 uses various techniques 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 defined 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 includes 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) can 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, bottom side) 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)
  • signal eg commands or data
  • 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 part of the operations executed by the electronic device 101 may be executed by 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. 2 is a block diagram of an electronic device according to an embodiment of the present disclosure. Hereinafter, FIG. 2 may be described with reference to configurations of the electronic device 101 of FIG. 1 .
  • the electronic device 201 (eg, the electronic device 101 of FIG. 1 ) includes a transceiver 210 , at least one power amplifier (PA) 221 , 223 , 225 , at least one antenna 231 , 233 , 235 , At least one coupler 241 , 243 , 245 , a coupler switch 240 , an RF connector 250 , or a combination thereof may be included.
  • Transceiver 210 , at least one PA 221 , 223 , 225 , at least one antenna 231 , 233 , 235 , at least one coupler 241 , 243 , 245 , or coupler switch 240 is illustrated in FIG. 1 . It may be included in the communication module 190 of the or the antenna module 197 .
  • the transceiver 210 may be electrically connected to at least one PA 221 , 223 , and 225 .
  • the transceiver 210 may transmit a wireless transmission signal of the transceiver 210 to at least one PA 221 , 223 , and 225 .
  • the transceiver 210 may transmit a wireless transmission signal to a PA (eg, the PA 221 ) corresponding to a frequency band of the wireless transmission signal among the at least one PA 221 , 223 , and 225 .
  • a PA eg, the PA 221
  • the at least one PA 221 , 223 , 225 may transmit to the at least one antenna 231 , 233 , 235 after amplifying the strength of the received wireless transmission signal.
  • the at least one PA 221 , 223 , and 225 may transmit the amplified wireless transmission signal to an antenna (eg, the antenna 231 ) corresponding to the frequency band of the wireless transmission signal.
  • the at least one coupler 241 , 243 , 245 is coupled to a wireless transmission signal on a transmission line between the at least one PA 221 , 223 , 225 and the at least one antenna 231 , 233 , 235 .
  • a coupling signal can be obtained.
  • At least one coupler 241 , 243 , 245 may transmit the acquired coupling signal to the coupler switch 240 .
  • the coupling signal may be used as a feedback signal for a wireless transmission signal on a transmission line.
  • the coupling signal output from the coupler switch 240 may be transmitted to the transceiver 210 and/or the RF connector 250 .
  • the coupling signal output from the coupler switch 240 is may be transmitted to the transceiver 210 and/or the RF connector 250 .
  • the coupling signal output from the coupler switch 240 is to be transmitted to the transceiver 210 and the RF connector 250 .
  • the coupling signal output from the coupler switch 240 may be transmitted to the transceiver 210 or the RF connector 250 .
  • both the coupler switch 240 and the element 255 are included, but this is only an example. In other embodiments, element 255 may be omitted. In another embodiment, when the element 255 is omitted, the coupler switch 240 may selectively provide a coupling signal to the transceiver 210 or the RF connector 250 .
  • Transceiver 210 may obtain a coupling signal from coupler switch 240 via element 255 .
  • the transceiver 210 may measure the strength of the coupling signal.
  • the transceiver 210 may estimate the strength of a wireless transmission signal transmitted through the antennas 231 , 233 , and 235 based on the strength of the coupling signal.
  • the transceiver 210 may estimate the strength of a wireless transmission signal transmitted through the antennas 231 , 233 , and 235 based on the loss table.
  • the transceiver 210 may estimate the strength of the wireless transmission signal transmitted through the antennas 231 , 233 , and 235 by adding the offset to the strength of the coupling signal.
  • the RF connector 250 may provide a calibration point to the RF calibration equipment 202 .
  • the RF connector 250 may provide a calibration point electrically connectable to the RF calibration device 202 to the RF calibration device 202 .
  • the RF connector 250 may be electrically connected to the RF connector of the RF calibration equipment 202 .
  • the RF connector 250 may obtain a coupling signal from the coupler switch 240 through the element 255 .
  • the RF connector 250 may provide the obtained coupling signal to the RF calibration equipment 202 .
  • the RF calibration device 202 may adjust a parameter related to the transmission strength of the wireless transmission signal of the electronic device 201 based on the strength of the wireless transmission signal estimated by the RF calibration device 202 .
  • the RF calibration device 202 may adjust a parameter related to the transmission strength of the wireless transmission signal of the electronic device 201 based on the loss table and the strength of the wireless transmission signal estimated by the RF calibration device 202 .
  • the RF calibration equipment 202 is the electronic device 201 based on the strength of the wireless transmission signal estimated by the RF calibration equipment 202 and the strength of the wireless transmission coupling signal estimated by the transceiver 210 of the electronic device 201 . ), a parameter related to the transmission strength of the wireless transmission signal can be adjusted.
  • the electronic device 201 may obtain information about the strength of the coupling signal measured by the RF calibration device 202 from the RF calibration device 202 . In this case, the electronic device 201 may estimate the strength of the wireless transmission signal based on the strength of the coupling signal and the loss table measured by the RF calibration device 202 . The electronic device 201 relates to the transmission strength of the wireless transmission signal based on the strength of the wireless transmission signal estimated based on the information on the strength of the coupling signal and the strength of the wireless transmission coupling signal estimated by the transceiver 210 . You can adjust the parameters.
  • the loss table may be based on previously measured strengths of signals. For example, by actually measuring the intensity of a signal at a designated location, the loss table may be obtained in advance. For example, when the PA 221 is related to the frequency band of band 2 (eg, 1850 MHz to 1910 MHz), and the frequency of the wireless transmission signal is 1880 MHz, at the input end of the antenna 231 of the wireless transmission signal The strength (eg, 23.71 dBm) may be measured, and the strength (eg, -1.3 dBm) of the coupling signal from the RF connector 250 may be measured. In this case, the offset may be measured as 25.01 dB. In this way, a loss table as shown in Table 1 below may be obtained in advance.
  • Table 1 a loss table as shown in Table 1 below may be obtained in advance.
  • the electronic device 201 and/or the RF calibration device 202 adds an offset to the strength of the coupling signal measured by the RF calibration device 202 , and thus a wireless transmission signal transmitted through the antennas 231 , 233 , 235 . can be estimated.
  • FIG. 3 illustrates an example in which the electronic device 201 provides an RF calibration point using a divider according to an embodiment of the present disclosure.
  • the electronic device 201 (eg, the electronic device 101 of FIG. 1 ) includes a transceiver 210 , at least one PA 221 , 223 , 225 , at least one antenna 231 , 233 , 235 , and at least one It may include couplers 241 , 243 , 245 , coupler switch 240 , RF connector 250 , splitter 301 , or a combination thereof.
  • the element 255 of FIG. 2 may include a distributor 301 .
  • the distributor 301 may include a splitter or coupler.
  • the splitter 301 may simultaneously input the coupling signal input from the coupler switch 240 to the transceiver 210 and the RF calibration equipment 202 .
  • the strength of the coupling signal input to the transceiver 210 and the RF calibration device 202 may be different depending on the power distribution ratio of the divider 301 .
  • the transceiver 210 and the RF calibration equipment 202 may obtain the same coupling signal with respect to the wireless transmission signal transmitted by the transceiver 210 .
  • that the coupling signal is the same may mean that the wireless transmission signal based on obtaining the coupling signal is the same.
  • the transceiver 210 and the RF calibration equipment 202 can obtain a coupling signal for each radio frequency band.
  • the RF calibration equipment 202 is a loss table, the strength of the coupling signal measured by the transceiver 210 of the electronic device 201, and the strength of the coupling signal measured by the RF calibration equipment 202 of the wireless transmission signal. You can adjust parameters related to transmission strength.
  • the RF calibration device 202 may adjust a parameter related to the transmission strength of the wireless transmission signal of the electronic device 201 for each radio frequency band.
  • the electronic device 201 provides a parameter related to the transmission strength of a wireless transmission signal based on the strength of the wireless transmission signal estimated by the transceiver 210 and the strength of the wireless transmission signal estimated by the RF calibration equipment 202 . can be adjusted.
  • FIG 4 illustrates another example in which the electronic device 201 provides an RF calibration point using a divider according to an embodiment of the present disclosure.
  • the electronic device 201 (eg, the electronic device 101 of FIG. 1 ) includes transceivers 210 , 215 , at least one PA 221 , 223 , 225 , 227 , and at least one antenna 231 , 233 , 235 . , 237 ), at least one coupler 241 , 243 , 245 , 247 , a coupler switch 240 , an RF switch 350 , a splitter 301 , or a combination thereof.
  • FIG. 4 may further include a transceiver 215 .
  • the RF connector 250 of FIG. 3 may be implemented as an RF switch 350 .
  • the RF connector 250 of FIG. 3 may further include a transceiver 215 , a PA 227 , an antenna 237 , and/or a coupler 247 .
  • FIG. 4 it is illustrated that the transceiver 215 , the PA 227 , the antenna 237 , and/or the coupler 247 are further provided one by one compared to FIG. 3 , but this is only an example.
  • the transceiver 215 , the PA 227 , the antenna 237 , and/or the coupler 247 may be provided in plurality.
  • a plurality of PAs 227 , a plurality of antennas 237 , and/or a plurality of couplers 247 may be connected to the transceiver 215 .
  • the distributor 301 may include a splitter or a coupler.
  • the RF switch 350 may transmit the coupling signal from the splitter 301 to the transceiver 215 or to the RF calibration equipment 202 .
  • the transceiver 215 and the RF calibration equipment 202 may acquire different coupling signals.
  • the coupling signals are different from each other may mean that the wireless transmission signals based on obtaining the coupling signal are different from each other.
  • a coupling signal with respect to a radio transmission signal of a first frequency transmitted at a time point T1 is input to the transceiver 215 through the RF switch 350, and radio transmission of the first frequency is transmitted at a time point T2.
  • the coupling signal for the signal may be input to the RF calibration equipment 202 through the RF switch 350 .
  • the transceiver 210 and the RF calibration equipment 202 may acquire the same coupling signal.
  • the RF switch 350 may electrically connect the RF calibration equipment 202 and the distributor 301 .
  • the coupling signal is the same may mean that the wireless transmission signal based on obtaining the coupling signal is the same.
  • the transceiver 215 and the RF calibration equipment 202 can obtain a coupling signal for each radio frequency band.
  • the transceiver 210 and the RF calibration equipment 202 may obtain a coupling signal for each radio frequency band.
  • the RF calibration device 202 is the electronic device 201 based on the loss table, the strength of the coupling signal measured by the transceiver 215 or the transceiver 210 and the strength of the coupling signal measured by the RF calibration device 202 You can adjust the parameter related to the transmission strength of the wireless transmission signal.
  • the RF calibration device 202 may adjust a parameter related to the transmission strength of the wireless transmission signal of the electronic device 201 for each radio frequency band.
  • the electronic device 201 transmits a wireless transmission signal based on the strength of the wireless transmission signal estimated by the transceiver 215 or the transceiver 210 and the strength of the wireless transmission signal estimated by the RF calibration equipment 202 . You can adjust parameters related to transmission strength.
  • the RF switch 350 may also be implemented as a splitter, splitter, or coupler.
  • the transceiver 215 and the RF calibration equipment 202 may acquire the same coupling signal.
  • the coupling signal is the same may mean that the wireless transmission signal based on obtaining the coupling signal is the same.
  • the transceiver 210 , the transceiver 215 , and the RF calibration equipment 202 may obtain the same coupling signal.
  • FIG 5 illustrates an example in which the electronic device 201 provides an RF calibration point using a switch according to an embodiment of the present disclosure.
  • the electronic device 201 (eg, the electronic device 101 of FIG. 1 ) includes a transceiver 210 , at least one PA 221 , 223 , 225 , at least one antenna 231 , 233 , 235 , and at least one It may include couplers 241 , 243 , 245 , coupler switch 240 , RF connector 250 , switch 501 , or a combination thereof.
  • the distributor 301 of FIG. 3 may be implemented as a switch 501 .
  • the switch 501 may be a switch including one pole and two throws.
  • the switch 501 may include a single pole, double throw (SPDT) switch.
  • the switch 501 may include at least one input port and at least two output ports. At least one input port of the switch 501 may be connected to the coupler switch 240 .
  • a first of the two output ports of the switch 501 may be connected to the transceiver 210 .
  • a second output port of the two output ports of the switch 501 may be connected to the RF connector 250 .
  • one of the two output ports may be electrically connected to the input port.
  • the switch 501 may transmit the coupling signal from the coupler switch 240 to the transceiver 210 or to the RF connector 250 .
  • the RF calibration equipment 202 may acquire a coupling signal through the RF connector 250 .
  • the transceiver 210 and the RF calibration equipment 202 may acquire different coupling signals.
  • that the coupling signals are different from each other may mean that the wireless transmission signals that are based on obtaining the coupling signal are different from each other.
  • the transceiver 210 and the RF calibration equipment 202 may obtain a coupling signal for each radio frequency band.
  • the RF calibration device 202 is a loss table, based on the strength of the coupling signal measured by the transceiver 210 and the strength of the coupling signal measured by the RF calibration device 202 of the wireless transmission signal of the electronic device 201 . You can adjust parameters related to transmission strength.
  • the RF calibration device 202 may adjust a parameter related to the transmission strength of the wireless transmission signal of the electronic device 201 for each radio frequency band.
  • the electronic device 201 provides a parameter related to the transmission strength of a wireless transmission signal based on the strength of the wireless transmission signal estimated by the transceiver 210 and the strength of the wireless transmission signal estimated by the RF calibration equipment 202 . can be adjusted.
  • FIG. 6 illustrates another example in which the electronic device 201 provides an RF calibration point using a switch according to an embodiment of the present disclosure.
  • the electronic device 201 (eg, the electronic device 101 of FIG. 1 ) includes a transceiver 210 , at least one PA 221 , 223 , 225 , at least one antenna 231 , 233 , 235 , and at least one It may include couplers 241 , 243 , 245 , coupler switch 240 , RF connector 250 , or a combination thereof.
  • the coupler switch 240 of FIG. 6 may switch the signal path of the coupling signal to the transceiver 210 and the RF calibration device 202 .
  • the coupler switch 240 may be a switch including two poles and four throws.
  • the coupler switch 240 may include a two poles, four throws (2P4T) switch.
  • a first output port of the two output ports of the coupler switch 240 may be connected to the transceiver 210 .
  • a second output port of the two output ports of the coupler switch 240 may be connected to the RF connector 250 .
  • the two output ports of the coupler switch 240 may be electrically connected to different input ports of the coupler switch 240 .
  • the coupler switch 240 may transmit a coupling signal to the transceiver 210 or to the RF connector 250 .
  • the RF calibration equipment 202 may acquire a coupling signal through the RF connector 250 .
  • the transceiver 210 and the RF calibration equipment 202 may acquire different coupling signals.
  • that the coupling signals are different from each other may mean that the wireless transmission signals that are based on obtaining the coupling signal are different from each other.
  • the transceiver 210 and the RF calibration equipment 202 may obtain a coupling signal for each radio frequency band.
  • the RF calibration device 202 is a loss table, based on the strength of the coupling signal measured by the transceiver 210 and the strength of the coupling signal measured by the RF calibration device 202 of the wireless transmission signal of the electronic device 201 . You can adjust parameters related to transmission strength.
  • the RF calibration device 202 may adjust a parameter related to the transmission strength of the wireless transmission signal of the electronic device 201 for each radio frequency band.
  • the electronic device 201 provides a parameter related to the transmission strength of a wireless transmission signal based on the strength of the wireless transmission signal estimated by the transceiver 210 and the strength of the wireless transmission signal estimated by the RF calibration equipment 202 . can be adjusted.
  • FIG. 7 is a flowchart illustrating an RF calibration operation according to an embodiment of the present disclosure.
  • the transceiver 210 of the electronic device 201 may transmit a wireless transmission signal.
  • the strength of the wireless transmission signal transmitted by the transceiver 210 may be measured at at least two points of the electronic device 201 .
  • the RF calibration device 202 may measure the strength of the wireless transmission signal transmitted by the transceiver 210 at at least two points of the electronic device 201 . At least two points may include an input end of the antennas 231 , 233 , and 235 and an input end of the RF connector 250 .
  • a loss table may be determined.
  • the RF calibration device 202 may determine the loss table based on the strength of the wireless transmission signal measured at at least two points of the electronic device 201 .
  • the RF calibration equipment 202 may determine a loss table as shown in Table 1.
  • RF calibration for the electronic device 201 may be performed. While the electronic device 201 and the RF calibration equipment 202 are electrically connected through the RF connector 250 , RF calibration of the electronic device 201 may be performed.
  • RF calibration for the electronic device 201 may be described with reference to FIGS. 8 and 9 .
  • the RF calibration equipment 202 may determine whether the strength of a wireless transmission signal transmitted by the transceiver 210 or an adjacent channel leakage ratio (ACLR) meets a criterion.
  • ACLR adjacent channel leakage ratio
  • the RF calibration operation according to FIG. 7 may be completed. If the signal quality is not satisfied for the wireless transmission signal, operation 710 may be performed again.
  • FIG. 8 is a flowchart illustrating an RF calibration operation according to an embodiment of the present disclosure.
  • the operations of FIG. 8 may be included in operation 740 of FIG. 7 or may be performed separately from the operations of FIG. 7 .
  • the operations of FIG. 8 may be included in operation 740 of FIG. 7 and performed.
  • the operations of FIG. 8 may be performed separately from the operations of FIG. 7 .
  • the RF calibration operation of FIG. 8 may be performed when the element 255 is a power distribution device (eg, a divider, a splitter, or a coupler).
  • a power distribution device eg, a divider, a splitter, or a coupler.
  • the transceiver 210 of the electronic device 201 may transmit a wireless transmission signal.
  • the transceiver 210 may identify the first transmission strength of the transmitted wireless transmission signal based on the coupling signal obtained through the coupler switch 240 .
  • the RF calibration equipment 202 may identify the second transmission strength of the wireless transmission signal transmitted by the transceiver 210 based on the loss table and the coupling signal obtained through the RF connector 250 .
  • the transceiver 210 may adjust the transmission power of the wireless transmission signal based on the first transmission strength and the second transmission strength.
  • the transceiver 210 may receive information about the second transmission strength from the RF calibration device 202 and adjust the transmission power of the wireless transmission signal based on the first transmission strength and the second transmission strength.
  • FIG. 9 is a flowchart illustrating an RF calibration operation according to an embodiment of the present disclosure.
  • the operations of FIG. 9 may be included in operation 740 of FIG. 7 or may be performed separately from the operations of FIG. 7 .
  • the operations of FIG. 9 may be included in operation 740 of FIG. 7 and performed.
  • the operations of FIG. 9 may be performed separately from the operations of FIG. 7 .
  • the RF calibration operation of FIG. 9 may be performed when the element 255 is a switch.
  • the processor 120 of the electronic device 201 may change a signal path.
  • the processor 120 may change the signal path so that a coupling signal of the wireless transmission signal transmitted by the transceiver 210 is input to the transceiver 210 .
  • the transceiver 210 may transmit a wireless transmission signal.
  • the transceiver 210 may identify the first transmission strength of the transmitted wireless transmission signal based on the coupling signal obtained through the coupler switch 240 .
  • the processor 120 may change the signal path.
  • the processor 120 may change the signal path so that the coupling signal of the wireless transmission signal transmitted by the transceiver 210 is input to the RF calibration equipment 202 .
  • the transceiver 210 may transmit a wireless transmission signal.
  • the RF calibration equipment 202 may identify the second transmission strength of the wireless transmission signal transmitted by the transceiver 210 based on the loss table and the coupling signal obtained through the RF connector 250 .
  • the transceiver 210 may adjust the transmission power of the wireless transmission signal based on the first transmission strength and the second transmission strength.
  • the transceiver 210 may receive information about the second transmission strength from the RF calibration device 202 and adjust the transmission power of the wireless transmission signal based on the first transmission strength and the second transmission strength.
  • the electronic device 201 includes a transceiver 210 ; a first power amplification module (eg, PA 221 ) for generating a first output signal for a first input signal from the transceiver 210 ; a second power amplification module (eg, PA 223) for generating a second output signal for a second input signal from the transceiver 210; a first coupler (eg, coupler 241) for obtaining a coupling signal for the first output signal of the first power amplification module (eg, PA 221); a second coupler (eg, coupler 243) for obtaining a coupling signal for the second output signal of the second power amplification module (eg, PA 223);
  • the first coupler (eg, coupler 241) and the second coupler (eg, coupler 243) are electrically connected, and an output signal for the first coupling signal or the second coupling signal is output to the coupler switch 240 passing to transceiver 210; an element (255
  • the element 255 includes a power divider (eg, divider 301 ) having an input terminal electrically connected to the coupler switch 240 and an output terminal electrically connected to the transceiver 210 .
  • the connector 250 may be electrically connected to another output terminal of the power distributor (eg, the distributor 301 ), and obtain the at least some signals through the other output terminal.
  • the transceiver 210 includes at least two transceivers 210 and 215
  • the connector 250 includes a switch (eg, an RF switch 350 )
  • the connector 250 includes An input terminal of the switch (eg, RF switch 350) of A first output terminal of the switch 350 ) is electrically connected to a first transceiver 210 of the at least two transceivers 210 and 215
  • the switch eg, an RF switch 350
  • the connector 250 is electrically connected to the measuring equipment (eg, RF calibration equipment 202 ), and the output end of the power divider is a second transceiver 215 of the at least two transceivers 210 . ) can be electrically connected to.
  • the power splitter (eg, the splitter 301 ) may be a splitter, a splitter, or a coupler.
  • the element 255 includes a switch 501 having an input terminal electrically connected to the coupler switch 240 and an output terminal electrically connected to the transceiver 210, and the connector ( 250 ) is electrically connected to another output terminal of the switch 501 , and may acquire the at least some signals through the other output terminal.
  • the electronic device 201 further includes a processor 120 , wherein the processor 120 is configured to respond to a first wireless transmission signal transmitted by the transceiver 210 .
  • the electronic device 201 further includes a processor 120 , wherein the processor 120 includes the strength of the coupling signal obtained by the transceiver 210;
  • the measuring device eg, the RF calibration device 202
  • the measuring device may be configured to adjust the strength of the wireless transmission signal of the transceiver 210 based on the at least partial signal strength and loss table obtained.
  • the offset included in the loss table may be determined based on signal strength measured at at least two points with respect to the wireless transmission signal transmitted by the transceiver 210 .
  • the electronic device provides an antenna (eg, antennas 231, 233, 235)), a first of the two points may be an input terminal of the antenna (eg, antennas 231, 233, 235), and a second of the two points may be the connector 250 have.
  • an antenna eg, antennas 231, 233, 235
  • a first of the two points may be an input terminal of the antenna (eg, antennas 231, 233, 235)
  • a second of the two points may be the connector 250 have.
  • the electronic device 201 includes a transceiver 210; a first power amplification module (eg, PA 221 ) for generating a first output signal for a first input signal from the transceiver 210 ; a second power amplification module (eg, PA 223) for generating a second output signal for a second input signal from the transceiver 210; a first coupler (eg, coupler 241) for obtaining a first coupling signal with respect to the first output signal of the first power amplification module (eg, PA 221); a second coupler (eg, coupler 243) for obtaining a second coupling signal with respect to the second output signal of the second power amplification module (eg, PA 223);
  • the first coupler (eg, coupler 241) and the second coupler (eg, coupler 243) are electrically connected, and an output signal for the first coupling signal or the second coupling signal is output to the coupler switch 240 passing to transceiver 210
  • the coupler switch 240 includes two poles and four throws, and an output terminal of the coupler switch 240 is electrically connected to the transceiver 210, Another output terminal of the coupler switch 240 may be electrically connected to the connector 250 .
  • the electronic device 201 further includes a processor 120 , wherein the processor 120 is configured to respond to a first wireless transmission signal transmitted by the transceiver 210 . Controls the coupler switch 240 so that a first coupling signal is input to the transceiver 210, controls the transceiver 210 to transmit the first wireless transmission signal, and the transceiver 210 Controls the coupler switch 240 so that a second coupling signal for a second wireless transmission signal to be transmitted is input to the connector 250, and the transceiver 210 to transmit the second wireless transmission signal and the frequency and transmission power of the first wireless transmission signal and the second wireless transmission signal may be the same.
  • the electronic device 201 further includes a processor 120 , wherein the processor 120 includes the strength of the coupling signal obtained by the transceiver 210;
  • the calibration equipment may be configured to adjust the strength of the wireless transmission signal of the transceiver 210 based on the at least partial signal strength and loss table obtained.
  • the offset included in the loss table may be determined based on signal strength measured at at least two points with respect to the wireless transmission signal transmitted by the transceiver 210 .
  • the electronic device 201 includes an antenna (eg, the antenna 231 ) electrically connected to the two or more power amplification modules (eg, the PAs 221 , 223 , and 225 ). , 233, 235)), a first of the two points may be an input terminal of the antenna, and a second of the two points may be the connector 250 .
  • an antenna eg, the antenna 231
  • the two or more power amplification modules eg, the PAs 221 , 223 , and 225 .
  • a first of the two points may be an input terminal of the antenna
  • a second of the two points may be the connector 250 .
  • the electronic device may be a device of various types.
  • 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 laptop, a desktop, a tablet, or a portable multimedia device
  • portable medical device e.g., a portable medical device
  • camera e.g., a camera
  • a wearable device e.g., a smart watch
  • a home appliance device e.g., a smart bracelet
  • first, second, or first or second may simply be used to distinguish an element from other elements in question, and may refer elements to 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 the present document may include a unit implemented in hardware, software, or firmware, for example, and interchangeably with terms such as 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
  • 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.
  • 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, omitted, or , 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)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Transmitters (AREA)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)

Abstract

Selon divers modes de réalisation de la présente invention, un dispositif électronique peut comprendre : un émetteur-récepteur ; un premier module d'amplification de puissance permettant de générer un premier signal de sortie pour un premier signal d'entrée provenant de l'émetteur-récepteur ; un deuxième module d'amplification de puissance permettant de générer un deuxième signal de sortie pour un deuxième signal d'entrée provenant de l'émetteur-récepteur ; un premier coupleur permettant d'obtenir un signal de couplage pour le premier signal de sortie du premier module d'amplification de puissance ; un deuxième coupleur permettant d'obtenir un signal de couplage pour le deuxième signal de sortie du deuxième module d'amplification de puissance ; un commutateur de coupleur qui est électriquement connecté au premier coupleur et au deuxième coupleur, et transfère des signaux de sortie pour le premier signal de couplage ou le deuxième signal de couplage à l'émetteur-récepteur ; un élément permettant d'obtenir au moins certains signaux des signaux de sortie provenant du commutateur de coupleur ; et un connecteur permettant de délivrer en sortie les au moins certains signaux de l'élément à l'équipement de mesure. Divers autres modes de réalisation identifiés dans la spécification sont également possibles.
PCT/KR2022/003167 2021-03-09 2022-03-07 Dispositif électronique pour fournir un point d'étalonnage et son procédé de fonctionnement WO2022191537A1 (fr)

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WO2024123158A1 (fr) * 2022-12-09 2024-06-13 삼성전자 주식회사 Circuit de communication prenant en charge de multiples bandes de fréquence et dispositif électronique le comprenant

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JP2006279901A (ja) * 2005-03-30 2006-10-12 Kyocera Corp 通信装置及びキャリブレーションウエイト推定方法
KR20150090790A (ko) * 2014-01-29 2015-08-06 삼성전자주식회사 통신 제공 장치 및 방법
KR101639530B1 (ko) * 2015-08-18 2016-07-13 에스제이엠프리웰 주식회사 Rf 방사 모니터링을 위한 무선통신용 무전원 하이브리드 ic
JP2019114961A (ja) * 2017-12-25 2019-07-11 富士通株式会社 無線通信装置、及びアンテナキャリブレーション方法
KR20200043735A (ko) * 2018-10-18 2020-04-28 삼성전자주식회사 상향링크 기준 신호를 송신하기 위한 전자 장치 및 방법

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Publication number Priority date Publication date Assignee Title
JP2006279901A (ja) * 2005-03-30 2006-10-12 Kyocera Corp 通信装置及びキャリブレーションウエイト推定方法
KR20150090790A (ko) * 2014-01-29 2015-08-06 삼성전자주식회사 통신 제공 장치 및 방법
KR101639530B1 (ko) * 2015-08-18 2016-07-13 에스제이엠프리웰 주식회사 Rf 방사 모니터링을 위한 무선통신용 무전원 하이브리드 ic
JP2019114961A (ja) * 2017-12-25 2019-07-11 富士通株式会社 無線通信装置、及びアンテナキャリブレーション方法
KR20200043735A (ko) * 2018-10-18 2020-04-28 삼성전자주식회사 상향링크 기준 신호를 송신하기 위한 전자 장치 및 방법

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