WO2022186577A1 - Dispositif électronique et procédé d'émission de signal dans un dispositif électronique prenant en charge une double connectivité - Google Patents

Dispositif électronique et procédé d'émission de signal dans un dispositif électronique prenant en charge une double connectivité Download PDF

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WO2022186577A1
WO2022186577A1 PCT/KR2022/002878 KR2022002878W WO2022186577A1 WO 2022186577 A1 WO2022186577 A1 WO 2022186577A1 KR 2022002878 W KR2022002878 W KR 2022002878W WO 2022186577 A1 WO2022186577 A1 WO 2022186577A1
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Prior art keywords
antenna
rat
electronic device
signal
communication
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PCT/KR2022/002878
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English (en)
Korean (ko)
Inventor
박찬호
김관식
김근우
정상민
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삼성전자 주식회사
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Publication of WO2022186577A1 publication Critical patent/WO2022186577A1/fr

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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
    • H04B1/401—Circuits for selecting or indicating operating mode
    • 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
    • H04B1/0064—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 separate antennas for the more than one band
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections
    • H04W76/16—Involving different core network technologies, e.g. a packet-switched [PS] bearer in combination with a circuit-switched [CS] bearer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Definitions

  • Various embodiments of the present disclosure relate to an electronic device and a method for transmitting a signal in an electronic device supporting dual connectivity.
  • the 5G communication system has a higher frequency band (eg, For example, implementation in the 25-60 GHz band) is being considered.
  • SA stand alone
  • NSA non-stand alone
  • the SA method may be a method using only a new radio (NR) system
  • the NSA method may be a method using an NR system together with an existing LTE system.
  • the user terminal may use the gNB of the NR system as well as the eNB of the LTE system.
  • dual connectivity A technology that enables a user terminal to enable heterogeneous communication systems may be referred to as dual connectivity.
  • a processor or data generated from the communication processor are transferred to a radio frequency integrated circuit (RFIC) and a radio frequency front end (RFFE) circuit (hereinafter, described below).
  • RFIC radio frequency integrated circuit
  • RFFE radio frequency front end circuit
  • the electronic device may perform an antenna switching operation with a Tx antenna satisfying a predetermined condition by comparing reference signal received power (RSRP) and transmission power of each of the plurality of antennas.
  • RSRP reference signal received power
  • a TX signal may be transmitted to the top, bottom, left, or right of the electronic device by switching the TX antenna of 5G.
  • Evolved Universal Terrestrial Radio Access-NR Dual Connectivity (ENDC) where LTE is set as an anchor, 5G TX signal is a noise signal that causes degradation of LTE signal sensitivity depending on the antenna arrangement and isolation performance of electronic devices. can work
  • the electronic device receives a signal from an electronic device that can reduce sensitivity degradation of LTE communication by setting an antenna to transmit a 5G TX signal in consideration of an LTE frequency band during dual access and an electronic device supporting dual access A method of transmission may be provided.
  • the electronic device may provide a method for transmitting a 5G Tx signal through a path in which a decrease in sensitivity of an LTE Rx signal is relatively small among a plurality of antenna switching paths when transmitting a 5G Tx signal.
  • the electronic device may perform an antenna switching operation with a Tx antenna satisfying a predetermined condition by comparing reference signal received power (RSRP) and transmission power of each of the plurality of antennas.
  • RSRP reference signal received power
  • a TX signal can be transmitted anywhere up/down/left/right of the electronic device by switching the TX antenna of 5G, and LTE is set as an anchor.
  • the 5G TX signal may act as a noise signal that causes degradation of LTE sensitivity depending on the antenna arrangement and isolation performance of the electronic device.
  • the electronic device may provide a 5G Tx antenna switching method capable of reducing sensitivity degradation of LTE communication during dual access.
  • the electronic device may provide a method for transmitting a 5G Tx signal through a path in which a decrease in sensitivity of an LTE Rx signal is relatively small among a plurality of antenna switching paths when transmitting a 5G Tx signal.
  • the electronic device may include a communication processor, at least one radio frequency integrated circuit (RFIC) connected to the communication processor, and at least one RFIC connected to the at least one RFIC configured to process a transmission signal.
  • a radio frequency front-end (RFFE) circuit comprising a plurality of antennas connected through the at least one RFFE circuit, wherein the communication processor includes an anchor band of a first radio access technology (RAT) during dual connectivity (dual connectivity).
  • RAT radio access technology
  • Antenna information for a second RAT configured based on at least one of an anchor band) and a rank, and selecting a transmit antenna from among the plurality of antennas based on the antenna information for the second RAT, It can be controlled to transmit a signal through the transmit antenna.
  • the electronic device may include a communication processor, at least one radio frequency integrated circuit (RFIC) connected to the communication processor, and at least one RFIC connected to the at least one RFIC configured to process a transmission signal.
  • RFIC radio frequency integrated circuit
  • a radio frequency front-end (RFFE) circuit comprising a plurality of antennas connected through the at least one RFFE circuit, wherein the communication processor includes an anchor band of a first radio access technology (RAT) during dual connectivity (dual connectivity).
  • RAT radio access technology
  • Anchor band and a rank (rank)
  • a method of operating an electronic device includes a second RAT configured based on at least one of an anchor band and a rank of a first radio access technology (RAT) during dual connectivity.
  • the method may include checking antenna information for RAT, selecting a transmit antenna from among the plurality of antennas based on the antenna information for the second RAT, and transmitting a signal through the transmit antenna.
  • a method of operating an electronic device includes a second RAT configured based on at least one of an anchor band and a rank of a first radio access technology (RAT) during dual connectivity.
  • RAT radio access technology
  • the electronic device may provide 5G Tx antenna switching capable of reducing performance degradation of LTE communication during dual access.
  • an electronic device supporting 1T4R may provide 5G Tx antenna switching capable of reducing performance degradation of LTE communication without adding a separate circuit.
  • FIG. 1 is a block diagram of an electronic device in a network environment, according to various embodiments of the present disclosure
  • 2A is a block diagram of an electronic device for supporting legacy network communication and 5G network communication, according to various embodiments of the present disclosure
  • 2B is a block diagram of an electronic device for supporting legacy network communication and 5G network communication, according to various embodiments of the present disclosure
  • 3A is a diagram illustrating wireless communication systems that provide a network of legacy communication and/or 5G communication according to various embodiments of the present disclosure
  • 3B is a diagram illustrating wireless communication systems that provide a network of legacy communication and/or 5G communication according to various embodiments of the present disclosure
  • 3C is a diagram illustrating wireless communication systems that provide a network of legacy communication and/or 5G communication according to various embodiments of the present disclosure
  • FIG. 4 is a block diagram of an electronic device according to various embodiments of the present disclosure.
  • FIG. 5 illustrates an antenna arrangement of an electronic device according to various embodiments of the present disclosure
  • FIG. 6 illustrates an example in which an electronic device performs antenna switching according to various embodiments of the present disclosure
  • FIG. 7 illustrates another example in which an electronic device performs antenna switching according to various embodiments of the present disclosure
  • FIG. 8 illustrates a method for an electronic device to perform antenna switching, according to various embodiments.
  • FIG 9 illustrates another example in which an electronic device performs antenna switching according to various embodiments of the present disclosure
  • FIG. 10 illustrates a method of operating an electronic device according to various embodiments of the present disclosure.
  • FIG. 11 illustrates a method of operating an electronic device according to various embodiments of the present disclosure.
  • FIG. 1 is a block diagram of an electronic device 101 in a network environment 100, according to various embodiments.
  • 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 .
  • 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 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 , process commands or data stored in the volatile memory 132 , and store the result data in the non-volatile memory 134 .
  • software eg, a program 140
  • the processor 120 converts commands or data received from other components (eg, the sensor module 176 or the communication module 190 ) to the volatile memory 132 .
  • the volatile memory 132 may be stored in , 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 (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 eg, a central processing unit or an application processor
  • a secondary processor 123 eg, a graphic processing unit, a neural network processing unit (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 (eg, a graphic processing unit, a neural network processing unit) a neural processing unit (NPU), an image signal processor, a
  • 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 coprocessor 123 eg, an image signal processor or a communication processor
  • may be implemented as part of another functionally related component eg, the camera module 180 or the communication module 190 ). have.
  • the auxiliary processor 123 may include a hardware structure specialized for processing an artificial intelligence model.
  • Artificial intelligence models can be created through machine learning. Such learning may be performed, for example, in the electronic device 101 itself on which artificial intelligence is performed, or may be performed through a separate server (eg, the server 108).
  • the learning algorithm may include, for example, supervised learning, unsupervised learning, semi-supervised learning, or reinforcement learning, but in the above example not limited
  • the artificial intelligence model may include a plurality of artificial neural network layers.
  • Artificial neural networks include deep neural networks (DNNs), convolutional neural networks (CNNs), recurrent neural networks (RNNs), restricted boltzmann machines (RBMs), deep belief networks (DBNs), bidirectional recurrent deep neural networks (BRDNNs), It may be one of deep Q-networks or a combination of two or more of the above, but is not limited to the above example.
  • the artificial intelligence model may include, in addition to, or alternatively, a software structure in addition to the hardware structure.
  • the memory 130 may store various data used by at least one component (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 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 ) 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 .
  • battery 189 may include, for example, a non-rechargeable primary cell, a rechargeable secondary cell, or a fuel cell.
  • the communication module 190 is a direct (eg, wired) communication channel or a wireless communication channel between the electronic device 101 and an external electronic device (eg, the electronic device 102, the electronic device 104, or the server 108). It can support establishment and communication performance through the established communication channel.
  • the communication module 190 may include one or more communication processors that operate independently of the processor 120 (eg, an application processor) and support direct (eg, wired) communication or wireless communication.
  • the communication module 190 is a wireless communication module 192 (eg, a cellular communication module, a short-range communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module 194 (eg, : It may include a 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 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 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) 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)
  • 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.
  • the electronic device 101 includes a first communication processor 212 , a second communication processor 214 , a first radio frequency integrated circuit (RFIC) 222 , a second RFIC 224 , and a third RFIC 226 , fourth RFIC 228 , first radio frequency front end (RFFE) 232 , second RFFE 234 , first antenna module 242 , second antenna module 244 , third An antenna module 246 and antennas 248 may be included.
  • the electronic device 101 may further include a processor 120 and a memory 130 .
  • the second network 199 may include a first cellular network 292 and a second cellular network 294 .
  • the electronic device 101 may further include at least one component among the components illustrated in FIG. 1 , and the second network 199 may further include at least one other network.
  • a first communication processor 212 , a second communication processor 214 , a first RFIC 222 , a second RFIC 224 , a fourth RFIC 228 , a first RFFE 232 , and the second RFFE 234 may form at least a part of the wireless communication module 192 .
  • the fourth RFIC 228 may be omitted or may be included as a part of the third RFIC 226 .
  • the first communication processor 212 may support establishment of a communication channel of a band to be used for wireless communication with the first cellular network 292 and legacy network communication through the established communication channel.
  • the first cellular network may be a legacy network including a second generation (2G), 3G, 4G, or long term evolution (LTE) network.
  • the second communication processor 214 establishes a communication channel corresponding to a designated band (eg, about 6 GHz to about 60 GHz) among bands to be used for wireless communication with the second cellular network 294 , and a 5G network through the established communication channel communication can be supported.
  • the second cellular network 294 may be a 5G network defined by 3GPP.
  • the first communication processor 212 or the second communication processor 214 corresponds to another designated band (eg, about 6 GHz or less) among bands to be used for wireless communication with the second cellular network 294 . It is possible to support the establishment of a communication channel, and 5G network communication through the established communication channel.
  • another designated band eg, about 6 GHz or less
  • the first communication processor 212 may transmit/receive data to and from the second communication processor 214 .
  • data that has been classified to be transmitted over the second cellular network 294 may be changed to be transmitted over the first cellular network 292 .
  • the first communication processor 212 may receive transmission data from the second communication processor 214 .
  • the first communication processor 212 may transmit and receive data through the second communication processor 214 and the interprocessor interface 213 .
  • the interprocessor interface 213 may be implemented as, for example, a universal asynchronous receiver/transmitter (UART) (eg, high speed-UART (HS-UART) or peripheral component interconnect bus express (PCIe) interface).
  • UART universal asynchronous receiver/transmitter
  • PCIe peripheral component interconnect bus express
  • the first communication processor 212 and the second communication processor 214 may exchange control information and packet data information using, for example, a shared memory.
  • the communication processor 212 may transmit/receive various information such as sensing information, information on output strength, and resource block (RB) allocation information with the second communication processor 214 .
  • RB resource block
  • the first communication processor 212 may not be directly connected to the second communication processor 214 .
  • the first communication processor 212 may transmit and receive data through the second communication processor 214 and the processor 120 (eg, an application processor).
  • the first communication processor 212 and the second communication processor 214 may transmit and receive data with the processor 120 (eg, an application processor) through an HS-UART interface or a PCIe interface, but There is no restriction on the type.
  • the first communication processor 212 and the second communication processor 214 may exchange control information and packet data information using a shared memory with the processor 120 (eg, an application processor). .
  • the first communication processor 212 and the second communication processor 214 may be implemented in a single chip or a single package. According to various embodiments, the first communication processor 212 or the second communication processor 214 may be formed in a single chip or a single package with the processor 120 , the coprocessor 123 , or the communication module 190 . have.
  • the unified communication processor 260 may support both functions for communication with the first cellular network 292 and the second cellular network 294 .
  • the first RFIC 222 when transmitting, transmits a baseband signal generated by the first communication processor 212 from about 700 MHz to about 700 MHz used for the first cellular network 292 (eg, a legacy network). It can be converted to a radio frequency (RF) signal of 3 GHz.
  • RF radio frequency
  • an RF signal is obtained from a first network 292 (eg, a legacy network) via an antenna (eg, a first antenna module 242 ), and via an RFFE (eg, a first RFFE 232 ). It may be preprocessed.
  • the first RFIC 222 may convert the preprocessed RF signal into a baseband signal to be processed by the first communication processor 212 .
  • the second RFIC 224 when transmitting, uses the baseband signal generated by the first communication processor 212 or the second communication processor 214 to the second cellular network 294 (eg, a 5G network). It can be converted into an RF signal (hereinafter, 5G Sub6 RF signal) of the Sub6 band (eg, about 6 GHz or less).
  • 5G Sub6 RF signal RF signal
  • a 5G Sub6 RF signal is obtained from a second cellular network 294 (eg, 5G network) via an antenna (eg, second antenna module 244 ), and an RFFE (eg, second RFFE 234 ) ) can be preprocessed.
  • the second RFIC 224 may convert the pre-processed 5G Sub6 RF signal into a baseband signal to be processed by a corresponding one of the first communication processor 212 or the second communication processor 214 .
  • the third RFIC 226 transmits the baseband signal generated by the second communication processor 214 to the 5G Above6 band (eg, about 6 GHz to about 60 GHz) to be used in the second cellular network 294 (eg, 5G network). It can be converted into an RF signal (hereinafter referred to as 5G Above6 RF signal).
  • a 5G Above6 RF signal may be obtained from the second cellular network 294 (eg, 5G network) via an antenna (eg, antenna 248 ) and pre-processed via a third RFFE 236 .
  • the third RFIC 226 may convert the preprocessed 5G Above6 RF signal into a baseband signal to be processed by the second communication processor 214 .
  • the third RFFE 236 may be formed as part of the third RFIC 226 .
  • the electronic device 101 may include the fourth RFIC 228 separately from or as at least a part of the third RFIC 226 .
  • the fourth RFIC 228 converts the baseband signal generated by the second communication processor 214 into an RF signal (hereinafter, IF signal) of an intermediate frequency band (eg, about 9 GHz to about 11 GHz). After conversion, the IF signal may be transmitted to the third RFIC 226 .
  • the third RFIC 226 may convert the IF signal into a 5G Above6 RF signal.
  • a 5G Above6 RF signal may be received from the second cellular network 294 (eg, 5G network) via an antenna (eg, antenna 248 ) and converted to an IF signal by a third RFIC 226 .
  • the fourth RFIC 228 may convert the IF signal into a baseband signal for processing by the second communication processor 214 .
  • the first RFIC 222 and the second RFIC 224 may be implemented as at least a part of a single chip or a single package.
  • the first RFIC 222 and the second RFIC 224 in FIG. 2A or 2B are implemented as a single chip or a single package
  • the first RFIC 222 and the second RFIC 224 are It can be implemented with an integrated RFIC.
  • the integrated RFIC is connected to the first RFFE 232 and the second RFFE 234 so that the integrated RFIC provides a baseband signal with a signal of a band supported by the first RFFE 232 and/or the second RFFE 234 .
  • the first RFFE 232 and the second RFFE 234 may be implemented as at least a part of a single chip or a single package.
  • at least one antenna module of the first antenna module 242 or the second antenna module 244 may be omitted or may be combined with another antenna module to process RF signals of a plurality of corresponding bands.
  • the third RFIC 226 and the antenna 248 may be disposed on the same substrate to form the third antenna module 246 .
  • the wireless communication module 192 or the processor 120 may be disposed on the first substrate (eg, main PCB).
  • the third RFIC 226 is located in a partial area (eg, the bottom surface) of the second substrate (eg, sub PCB) separate from the first substrate, and the antenna 248 is located in another partial region (eg, the top surface). is disposed, the third antenna module 246 may be formed.
  • a high-frequency band eg, about 6 GHz to about 60 GHz
  • the electronic device 101 may improve the quality or speed of communication with the second network 294 (eg, a 5G network).
  • the antenna 248 may be formed as an antenna array including a plurality of antenna elements that may be used for beamforming.
  • the third RFIC 226 may include, for example, as part of the third RFFE 236 , a plurality of phase shifters 238 corresponding to a plurality of antenna elements.
  • each of the plurality of phase shifters 238 may transform the phase of a 5G Above6 RF signal to be transmitted to the outside of the electronic device 101 (eg, a base station of a 5G network) through a corresponding antenna element. .
  • each of the plurality of phase shifters 238 may convert the phase of the 5G Above6 RF signal received from the outside through a corresponding antenna element into the same or substantially the same phase. This enables transmission or reception through beamforming between the electronic device 101 and the outside.
  • the second cellular network 294 may be operated independently (eg, Stand-Alone (SA)) or connected to the first cellular network 292 (eg, legacy network).
  • SA Stand-Alone
  • NSA Non-Stand Alone
  • the 5G network may have only an access network (eg, 5G radio access network (RAN) or next generation RAN (NG RAN)), and may not have a core network (eg, next generation core (NGC)).
  • the electronic device 101 may access an external network (eg, the Internet) under the control of a core network (eg, evolved packed core (EPC)) of the legacy network.
  • EPC evolved packed core
  • Protocol information for communication with a legacy network eg, LTE protocol information
  • protocol information for communication with a 5G network eg, New Radio (NR) protocol information
  • NR New Radio
  • the network environments 300a to 300c may include at least one of a legacy network and a 5G network.
  • the legacy network includes, for example, a 4G or LTE base station 340 (eg, an eNB (eNodeB)) of the 3GPP standard supporting a wireless connection with the electronic device 101 and an evolved packet (EPC) for managing 4G communication. core) 342 .
  • a 4G or LTE base station 340 eg, an eNB (eNodeB)
  • EPC evolved packet
  • the 5G network manages 5G communication between the electronic device 101 and a New Radio (NR) base station 350 (eg, gNB (gNodeB)) supporting wireless connection with the electronic device 101 and the electronic device 101 .
  • NR New Radio
  • gNB gNodeB
  • 5GC 5th generation core
  • the electronic device 101 may transmit/receive a control message and user data through legacy communication and/or 5G communication.
  • the control message is, for example, a message related to at least one of security control, bearer setup, authentication, registration, or mobility management of the electronic device 101 .
  • the user data may refer to, for example, user data excluding a control message transmitted/received between the electronic device 101 and the core network 330 (eg, the EPC 342 ).
  • the electronic device 101 uses at least a part of a legacy network (eg, an LTE base station 340 and an EPC 342 ) to at least a part of a 5G network (eg: The NR base station 350 and the 5GC 352 may transmit and receive at least one of a control message or user data.
  • a legacy network eg, an LTE base station 340 and an EPC 342
  • a 5G network eg: The NR base station 350 and the 5GC 352 may transmit and receive at least one of a control message or user data.
  • network environment 300a provides wireless communication dual connectivity (DC) to LTE base station 340 and NR base station 350 , and either EPC 342 or 5GC 352 . It may include a network environment in which a control message is transmitted and received with the electronic device 101 through the core network 230 of the .
  • DC wireless communication dual connectivity
  • one of the LTE base station 340 or the NR base station 350 operates as a master node (MN) 310 and the other operates as a secondary node (SN) 320 .
  • MN master node
  • SN secondary node
  • the MN 310 may be connected to the core network 230 to transmit and receive control messages.
  • the MN 310 and the SN 320 may be connected through a network interface to transmit/receive messages related to radio resource (eg, communication channel) management with each other.
  • radio resource eg, communication channel
  • the MN 310 may be configured as the LTE base station 340
  • the SN 320 may be configured as the NR base station 350
  • the core network 330 may be configured as the EPC 342 .
  • a control message may be transmitted/received through the LTE base station 340 and the EPC 342
  • user data may be transmitted/received through at least one of the LTE base station 340 and the NR base station 350 .
  • the MN 310 may include the NR base station 350
  • the SN 320 may include the LTE base station 340
  • the core network 330 may include the 5GC 352 .
  • a control message may be transmitted/received through the NR base station 350 and the 5GC 352
  • user data may be transmitted/received through at least one of the LTE base station 340 or the NR base station 350 .
  • a 5G network may include an NR base station 350 and a 5GC 352 , and may independently transmit/receive a control message and user data to/from the electronic device 101 .
  • the legacy network and the 5G network may independently provide data transmission/reception.
  • the electronic device 101 and the EPC 342 may transmit and receive a control message and user data through the LTE base station 340 .
  • the electronic device 101 and the 5GC 352 may transmit/receive a control message and user data through the NR base station 350 .
  • the electronic device 101 may be registered with at least one of the EPC 342 and the 5GC 352 to transmit/receive a control message.
  • the EPC 342 or the 5GC 352 may interwork to manage communication of the electronic device 101 .
  • movement information of the electronic device 101 may be transmitted/received through an interface between the EPC 342 and the 5GC 352 .
  • E-UTRA new radio dual connectivity dual connectivity through the LTE base station 340 and the NR base station 350 may be referred to as E-UTRA new radio dual connectivity (EN-DC).
  • EN-DC E-UTRA new radio dual connectivity
  • FIG. 4 is a block diagram of an electronic device according to various embodiments of the present disclosure;
  • one communication processor 260 and one RFIC 410 are illustrated as being connected to a plurality of RFFEs 431 and 432 , but various embodiments to be described below are not limited thereto.
  • various embodiments to be described below may include a plurality of communication processors 212, 214 and/or a plurality of RFICs 222, 224, 226, and 228 as shown in FIG. 2A or FIG. 2B in which a plurality of RFFEs ( 431 and 432), respectively.
  • an electronic device (eg, the electronic device 101 of FIG. 1 ) according to various embodiments includes a processor 120 , a communication processor 260 , an RFIC 410 , a first RFFE 431 , and a first 2 RFEE 432 , a first antenna 441 , a second antenna 442 , a third antenna 443 , a fourth antenna 444 , a first switch 451 , or a second switch 452 . can do.
  • the RFIC 410 transmits a baseband signal generated by the communication processor 260 during signal transmission to a radio frequency (RF) signal used in the first communication network or the second communication network. can be converted to According to various embodiments, the RFIC 410 transmits an RF signal used in a first communication network (eg, NR) to the first antenna 441 or the fourth through the first RFFE 431 and the first switch 451 . may be transmitted to the antenna 444 . According to various embodiments, the RFIC 410 transmits an RF signal used in the first communication network to the second antenna 442 through the first RFFE 431 , the first switch 451 , and the second switch 452 . Alternatively, it may transmit to the third antenna 443 .
  • a first communication network eg, NR
  • the RFIC 410 transmits an RF signal used in the first communication network to the second antenna 442 through the first RFFE 431 , the first switch 451 , and the second switch 452 . Alternatively, it may transmit
  • the RFIC 410 transmits an RF signal corresponding to the first communication network (eg, NR) to the first antenna 441 or the fourth antenna 444 through the first RFFE 431 and , an RF signal corresponding to the second communication network (eg, LTE) may be transmitted to the second antenna 442 or the third antenna 443 through the second RFFE 432 .
  • the RFIC 410 transmits an RF signal corresponding to the first communication network (eg, NR) or the second communication network (eg, LTE) to the first RFFE 431 and the first switch 451 .
  • the transmission path transmitted from the RFIC 410 to the first antenna 441 through the first RFFE 431 and the first switch 451 is a 'first antenna transmission path (Ant Tx 1)'.
  • a transmission path transmitted from the RFIC 410 to the fourth antenna 444 through the first RFFE 431 and the first switch 451 may be referred to as a 'fourth antenna transmission path (Ant Tx 4)'.
  • a transmission path transmitted from the RFIC 410 to the second antenna 442 through the first RFFE 431 , the first switch 451 , and the second switch 452 is a 'second antenna transmission path (Ant Tx 2 ). ) can be referred to as '.
  • the transmission path transmitted from the RFIC 410 to the third antenna 443 through the first RFFE 431 , the first switch 451 , and the second switch 452 is a 'third antenna transmission path (Ant Tx 3 ). ) can be referred to as '.
  • an RF signal is received from the first communication network through the first antenna 441 or the fourth antenna 444 , and the received RF signal is transmitted to the communication processor 260 via the RFIC 410 .
  • an RF signal is received from the first communication network or the second communication network via the second antenna 442 or the third antenna 443 , and the received RF signal is communicated via the RFIC 410 . may be transmitted to the processor 260 .
  • the electronic device transmits a signal through one of the first antenna 441 and the fourth antenna 444 through the first RFFE 431 and the first switch 451 , and the When the electronic device receives a signal through the first antenna 441 , the second antenna 442 , the third antenna 443 , and the fourth antenna 444 , the electronic device operates as '1T2R' or '1T4R' can do.
  • the communication processor 260 receives a reference signal (eg, a sounding reference signal (SRS)) referenced for channel estimation in the base station of the first communication network through the first RFFE 431 . Through this, it is possible to control transmission to at least one antenna (the first antenna 441 or the fourth antenna 444 ) among the plurality of antennas of the first antenna group. According to various embodiments, the communication processor 260 transmits the reference signal referenced for channel estimation in the base station of the first communication network to the plurality of antennas of the second antenna group through the second RFFE circuit 432 . It is possible to control transmission to at least one of the antennas (the second antenna 442 or the third antenna 443 ).
  • a reference signal eg, a sounding reference signal (SRS) referenced for channel estimation in the base station of the first communication network through the first RFFE 431 .
  • SRS sounding reference signal
  • the electronic device receives the signal transmitted from the base station of the first communication network through the first antenna 441 , the second antenna 442 , the third antenna 443 , and the fourth antenna 444 .
  • the electronic device may operate as '1T4R'.
  • the electronic device may implement 5G TX Antenna switching for the first communication network (eg, NR) by utilizing a circuit implemented as '1T4R'.
  • the communication processor 260 transmits a signal (eg, a physical uplink shared channel (PUSCH) signal) transmitted to the base station of the first communication network to the first RFFE 431 and/or the second RFFE 432 . ) through one of the first antenna 441 to the fourth antenna 444 may be controlled to be transmitted.
  • the communication processor 260 transmits a signal (eg, a physical uplink shared channel (PUSCH) signal) to the base station of the first communication network based on an environment of the electronic device and a set threshold condition. You can change the path to .
  • PUSCH physical uplink shared channel
  • the electronic device 101 supporting 1T4R includes an RFFE 510 , a first antenna 521 , a second antenna 522 , a third antenna 523 , a fourth antenna 524 , and a fourth antenna 524 . It may include a fifth antenna 525 , a sixth antenna 526 , and a seventh antenna 527 .
  • the first antenna 521 is an NR RX0 antenna (ANT)
  • the second antenna 522 is NR RX2 and LTE MHB RX1 ANT
  • the third antenna 523 is LTE LB RX1 and LTE MHB.
  • fourth antenna 524 is LTE MB RX1 and NR RX3 ANT
  • fifth antenna 525 is LTE HB RX2 ANT
  • sixth antenna 526 is LTE HB RX0 and NR RX1 ANT
  • seventh The antenna 527 may be an LTE LMB RX0 ANT.
  • the uses of the first antenna 521 to the seventh antenna 527 are defined as above for convenience of explanation, but the uses of the first antenna 521 to the seventh antenna 527 are designed It may be implemented in various ways according to specifications, and the technical spirit of the present disclosure is not limited thereto.
  • the electronic device 101 may set four antenna transmission paths as antenna transmission paths for an RF signal used in a communication network (eg, NR).
  • a transmission path transmitted to the first antenna 521 through the RFFE 510 may be referred to as a 'first antenna transmission path (Ant Tx 1)'
  • the second antenna 522 through the RFFE 510 A transmission path transmitted to 'A' may be referred to as a 'third antenna transmission path (Ant Tx 3)'.
  • a transmission path transmitted to the fourth antenna 524 through the RFFE 510 may be referred to as a 'fourth antenna transmission path (Ant Tx 4)', and the sixth antenna 526 through the RFFE 510 A transmission path transmitted to . 2 may be referred to as a 'second antenna transmission path (Ant Tx 2)'.
  • the electronic device 101 may use the first antenna transmission path (Ant Tx 1) to transmit an RF signal for a communication network (eg, NR), and a wireless communication environment and threshold of the electronic device
  • An antenna transmission path for transmitting an RF signal for a communication network (eg, NR) can be changed (or switched) from a first antenna transmission path (Ant Tx 1) to another antenna transmission path based on a threshold condition have.
  • the electronic device 101 supporting 1T4R has no circuit restrictions when changing the antenna transmission path, but since all antennas for different communication networks and/or frequency bands are implemented in the electronic device 101, the changed antenna transmission path is changed when the antenna transmission path is changed.
  • Antenna/circuitry for other communication networks (eg, LTE) adjacent to the antenna transmission path may be affected and cause TP (sensitivity) degradation of other communication networks (eg, LTE).
  • the electronic device 101 includes an RFFE 610 , a first antenna 621 , a second antenna 622 , a third antenna 623 , a fourth antenna 624 , and a fifth antenna 625 . ), a sixth antenna 626 , and a seventh antenna 627 may be included.
  • the electronic device 101 sets an antenna transmission path for transmitting an RF signal for a communication network (eg, NR) from a first antenna transmission path Ant Tx 1 to a third antenna transmission path Ant Tx. 3) can be changed.
  • a communication network eg, NR
  • the electronic device 101 may transmit an RF signal through the second antenna 622 .
  • the RF transmission signal transmitted through the second antenna 622 is adjacent to the second antenna 622 and is noisy with respect to a third antenna 623 for receiving RF signals for another communication network (eg, LTE).
  • LTE another communication network
  • the PUSCH signal transmitted from the electronic device 101 to the NR base station through the second antenna 622 along the third antenna transmission path Ant Tx 3 is transmitted by the electronic device 101 from the LTE base station to the third antenna 623 .
  • the electronic device 101 includes an RFFE 710 , a first antenna 721 , a second antenna 722 , a third antenna 723 , a fourth antenna 724 , and a fifth antenna 725 . ), a sixth antenna 726 , and a seventh antenna 727 may be included.
  • the electronic device 101 sets an antenna transmission path for transmitting an RF signal for a communication network (eg, NR) from a first antenna transmission path Ant Tx 1 to a second antenna transmission path Ant Tx. 2) can be changed.
  • a communication network eg, NR
  • the electronic device 101 may transmit an RF signal through the sixth antenna 726 .
  • the RF transmission signal transmitted through the sixth antenna 726 is adjacent to the sixth antenna 726 and generates noise for the fifth antenna 725 for receiving RF signals for another communication network (eg, LTE).
  • LTE another communication network
  • the PUSCH signal transmitted from the electronic device 101 to the NR base station through the sixth antenna 726 along the second antenna transmission path Ant Tx 2 is transmitted by the electronic device 101 from the LTE base station to the fifth antenna 725.
  • the Tx signal due to antenna switching for the first communication network is noise from the adjacent antenna.
  • a problem of reducing the quality (or sensitivity) of the Rx signal for the second communication network (eg, LTE) may occur.
  • the second communication network For example, the degree of TP (sensitivity) degradation for the Rx path for LTE) is confirmed through pre-test and simulation, and the band (including CA operation)/rank for the second communication network (eg, LTE) based on the confirmation result
  • a restriction on Tx antenna transmission path switching for the first communication network eg, NR may be set for each rank.
  • the electronic device 101 converts a 5G Tx antenna switching possible path for each LTE band into a memory (eg, nonvolatile (NV) memory) as data (eg, NV data). can be saved
  • the electronic device 101 may limit a switching operation to a 5G Tx antenna transmission path that may cause LTE performance degradation by using NV data.
  • 5G Tx Antenna Switching Path (for example, switching from 5G RX0 (default) to 5G RX1, 5G RX2, or 5G RX3) for each LTE PATH for each LTE BAND) numerically shows the sensitivity degradation.
  • the sensitivity values in Table 1 indicate that the lower the value, the better the sensitivity of the corresponding LTE PATH. For example, in the case of RX0 of LTE BAND3, it can be seen that the sensitivity is not the best when switching from 5G RX0 to 5G RX3.
  • 5G transmit antenna path switching (5G Tx Antenna Switching Path) for LTE BAND1 may not cause performance degradation for all LTE Rx paths (RX0 to RX3).
  • performance degradation of 'LTE BAND3 RX0' occurs when switching 5G transmit antenna path to '5G RX3'
  • performance degradation of 'LTE BAND3 RX3' occurs when switching 5G transmit antenna path to '5G RX2' can occur.
  • 5G transmit antenna path switching for LTE BAND5 may not cause performance degradation for all LTE Rx paths (RX0 to RX3).
  • performance degradation of 'LTE BAND7 RX0' occurs when switching 5G transmit antenna path to '5G RX1'
  • performance degradation of 'LTE BAND7 RX3' occurs when switching 5G transmit antenna path to '5G RX2' can occur.
  • the electronic device 101 changes the path by the 5G TX Antenna Switching operation in Evolved Universal Terrestrial Radio Access (ENDC)-NR Dual Connectivity (ENDC) to the anchor ( Anchor) band LTE B1/B7 may cause sensitivity (TP) degradation.
  • the electronic device 101 pre-stores (or sets) 5G TX antenna information (eg, NV data for an antenna switchable path) for each LTE band and/or LTE rank as shown in Table 2 and using this, 5G TX antenna switching operation can be performed.
  • the electronic device 101 may receive information about an LTE band and an LTE rank from an LTE base station.
  • the 5G Tx antenna switchable path is It may be RX0, RX1, RX2, RX3.
  • the anchor band is LTE BAND3 in the ENDC environment and the LTE rank is 2
  • the NV data is ⁇ 1,1,1,0 ⁇
  • the 5G Tx antenna switchable paths may be RX0, RX1, RX2.
  • the anchor band is LTE BAND3 and the LTE rank is 4 in the ENDC environment
  • the NV data is ⁇ 1,1,0,0 ⁇
  • the 5G Tx antenna switchable paths may be RX0, RX1.
  • FIG. 8 illustrates a method for an electronic device to perform antenna switching, according to various embodiments.
  • an electronic device in an NSA (ENDC) environment in which LTE and 5G are simultaneously connected in operation 801, an electronic device (eg, 101 in FIGS. 1 and 2) sets a 5G TX antenna switching operation, and in operation 803
  • the device eg, 101 of FIGS. 1 and 2
  • the device may determine whether the antenna switching operation condition of the 5G TX antenna is satisfied.
  • the electronic device eg, 101 of FIGS. 1 and 2
  • the electronic device eg, 101 of FIGS. 1 and 2 may check the antenna switching operation condition again. Thereafter, returning to operation 810, the electronic device (eg, 101 of FIGS. 1 and 2 ) may reset the 5G TX antenna switching operation.
  • the electronic device may identify an LTE anchor band.
  • the electronic device eg, 101 of FIGS. 1 and 2
  • may identify an LTE rank eg, LTE BAND1, LTE BAND3, LTE BAND5, LTE BAND7 together with an LTE anchor band.
  • the electronic device performs the 5G antenna for each LTE BAND based on the identified LTE anchor band and data stored in the memory (eg, NV data in which a 5G antenna switchable path is set in advance). Switchable paths can be checked.
  • the electronic device determines the identified LTE anchor band. Based on the confirmed LTE rank and data stored in the memory (eg, NV data in which a 5G antenna switchable path is set in advance), a 5G antenna switchable path may be checked for each LTE BAND and LTE rank.
  • the electronic device may set the antenna switching operation to the 5G antenna switchable path identified in operation 809 .
  • the NSA LTE anchor band is LTE BAND3 and the LTE rank is 2, even if 'RX3' satisfies the 5G antenna switching condition (eg, if it satisfies the threshold value of RSRP / TX POWER for RX3), the electronic device ( Example: 101) of FIGS. 1 and 2 can be controlled not to switch the 5G antenna through 'RX3'.
  • FIG 9 illustrates another example in which an electronic device performs antenna switching according to various embodiments of the present disclosure
  • the electronic device 101 includes an RFFE 910 , a first antenna 921 , a second antenna 922 , a third antenna 923 , a fourth antenna 924 , and a fifth antenna 925 . ), a sixth antenna 926 , and a seventh antenna 927 may be included.
  • the electronic device 101 sets an antenna transmission path for transmitting an RF signal for a communication network (eg, NR) from a first antenna transmission path Ant Tx 1 to another antenna transmission path Ant Tx 2 to Ant Tx 3).
  • a communication network eg, NR
  • the electronic device 101 confirms that the 5G antenna non-switchable path limited by the data stored in the memory (eg, NV data) is the third antenna transmission path (Ant Tx 3), and the electronic device 101 As a result of monitoring in my communication processor, it is confirmed that the path limiting 5G antenna switching is the fourth antenna transmission path (Ant Tx 4), and the antenna transmission path is changed from the first antenna transmission path (Ant Tx 1) to the second antenna transmission path (Ant Tx 2) to perform antenna switching.
  • the path limiting 5G antenna switching is the fourth antenna transmission path (Ant Tx 4)
  • the antenna transmission path is changed from the first antenna transmission path (Ant Tx 1) to the second antenna transmission path (Ant Tx 2) to perform antenna switching.
  • the present disclosure proposes a method of changing or updating an antenna switching path limiting operation in a field environment.
  • the electronic device sets the LTE band as an anchor band in the ENDC environment, sets the NR band, and switches the NR Tx antenna based on the NV data stored in advance when the NR antenna switching operation condition is satisfied can do.
  • the electronic device may further restrict the NR TX antenna switching to the corresponding PATH. .
  • the electronic device (101 in FIGS. 1, 2 and 4) includes a communication processor (123 in FIG. 1, 212, 214 in FIG. 2A, 260 in FIG. 2B, and 260 in FIG. 4), the communication processor ( At least one RFIC (radio frequency integrated circuit) connected to 212 to 214 in FIG. 2a, 260 in FIG. 2b, 260 in FIG. 4 (222 to 228 in FIG. 2a, 222 to 228 in FIG. 2b, 410 in FIG. 4), At least one radio frequency front-end (RFFE) circuit connected to the at least one RFIC (222-228 of FIG. 2A, 222-228 of FIG. 2B, 410 of FIG.
  • RFIC radio frequency integrated circuit
  • a transmission signal (FIG. 2A) 232 to 236, 232 to 236 in FIG. 2B, 431 to 432 in FIG. 4), and the at least one RFFE circuit) (232 to 236 in FIG. 2A, 232 to 236 in FIG. 2B, 431 to 432 in FIG. 4) a plurality of antennas connected through the .
  • the electronic device is based on at least one of an anchor band and a rank of a first radio access technology (RAT) during dual connectivity.
  • RAT radio access technology
  • the first RAT may be long term evolution (LTE)
  • the second RAT may be new radio (NR).
  • the electronic device may select at least one antenna from among the plurality of antennas based on the antenna information for the second RAT.
  • the electronic device (or communication processor) may control to transmit a signal through the at least one antenna.
  • the signal transmitted through the at least one antenna may be transmitted to the base station of the second RAT through a physical uplink shared channel (PUSCH).
  • PUSCH physical uplink shared channel
  • the electronic device (or communication processor) checks the antenna switching operation condition for the second RAT, and when the antenna switching operation condition for the second RAT is satisfied, the anchor band of the first RAT and at least one of the ranks. According to various embodiments, the electronic device (or communication processor) may monitor the reception signal path for the first RAT and set to limit the antenna switching path for the second RAT based on the monitoring result.
  • the antenna information for the second RAT is based on at least one of the anchor band and the rank of the first RAT among a plurality of antenna paths for a transmission signal for the second RAT. It may be information indicating an antenna switchable path configured by According to various embodiments, the antenna information for the second RAT may consist of 2 bits when the plurality of antenna paths for the transmission signal for the second RAT are four.
  • the electronic device (101 in FIGS. 1, 2 and 4) includes a communication processor (123 in FIG. 1, 212, 214 in FIG. 2A, 260 in FIG. 2B, and 260 in FIG. 4), the communication processor ( At least one RFIC (radio frequency integrated circuit) connected to 212 to 214 in FIG. 2a, 260 in FIG. 2b, 260 in FIG. 4 (222 to 228 in FIG. 2a, 222 to 228 in FIG. 2b, 410 in FIG. 4), At least one radio frequency front-end (RFFE) circuit connected to the at least one RFIC (222-228 of FIG. 2A, 222-228 of FIG. 2B, 410 of FIG.
  • RFIC radio frequency integrated circuit
  • a transmission signal (FIG. 2A) 232 to 236, 232 to 236 in FIG. 2B, 431 to 432 in FIG. 4), and the at least one RFFE circuit) (232 to 236 in FIG. 2A, 232 to 236 in FIG. 2B, 431 to 432 in FIG. 4) a plurality of antennas connected through the .
  • the electronic device is based on at least one of an anchor band and a rank of a first radio access technology (RAT) during dual connectivity.
  • RAT radio access technology
  • the electronic device may monitor status information on the reception antenna of the first RAT.
  • the first RAT may be long term evolution (LTE)
  • the second RAT may be new radio (NR).
  • the electronic device may determine the transmit antenna for the second RAT based on the state information about the receive antenna of the first RAT and the transmit antenna information for the second RAT. have.
  • the electronic device may transmit a signal to the base station of the second RAT through a physical uplink shared channel (PUSCH) based on the transmit antenna for the second RAT.
  • PUSCH physical uplink shared channel
  • the electronic device may have various types of devices.
  • the electronic device may include, for example, a computer device, a portable communication device (eg, a smartphone), a portable multimedia device, a portable medical device, a camera, a wearable device, or a home appliance device.
  • a computer device e.g., a laptop, a desktop, a tablet, or a smart phone.
  • a portable communication device eg, a smartphone
  • portable multimedia device e.g., a portable medical device
  • camera e.g., a camera
  • a wearable device e.g., a portable medical device
  • a home appliance device e.g., a portable medical device, a portable medical device, a camera, a wearable device, or a home appliance device.
  • the electronic device according to the embodiment of the present document is not limited to the above-described devices.
  • first”, “second”, or “first” or “second” may simply be used to distinguish the component from other such components, and refer to those components in other aspects (e.g., importance or order) is not limited. that one (e.g., first) component is “coupled” or “connected” to another (e.g., 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 may include a unit implemented in hardware, software, or firmware, and may be used interchangeably 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 software (eg, one or more instructions stored in a storage medium (eg, internal memory or external memory) readable by a machine (eg, a master device or a task performing device)) For example, it can be implemented as a program).
  • a processor of a device eg, a master device or a task performing device
  • 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 contain a signal (eg, electromagnetic wave), and this term is used in cases where data is semi-permanently stored in the storage medium and It does not distinguish between temporary storage cases.
  • a signal eg, electromagnetic wave
  • the method according to various embodiments disclosed in this document may be provided in a computer program product (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 through an application store (eg Play StoreTM) or on two user devices ( It can be distributed (eg downloaded or uploaded) directly or online between smartphones (eg smartphones).
  • a portion of the computer program product may be temporarily stored or temporarily created 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, a module or a program of the above-described components may include a singular or a plurality of entities.
  • 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.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

Selon divers modes de réalisation, l'invention concerne un dispositif électronique comprenant : un processeur de communication ; au moins un circuit intégré radiofréquence (RFIC) connecté au processeur de communication ; au moins un circuit frontal radiofréquence (RFFE) connecté audit au moins un RFIC et configuré pour traiter un signal d'émission ; et une pluralité d'antennes connectées par l'intermédiaire dudit au moins un circuit RFFE, le processeur de communication pouvant commander : la confirmation d'informations d'antenne concernant une seconde technologie d'accès radio (RAT) configurée sur la base de la bande d'ancrage et/ou du rang d'une première RAT pendant une double connectivité ; la sélection d'une antenne d'émission (Tx) parmi la pluralité d'antennes sur la base des informations d'antenne concernant la seconde RAT ; et l'émission d'un signal au moyen de l'antenne d'émission. Divers autres modes de réalisation sont possibles.
PCT/KR2022/002878 2021-03-04 2022-02-28 Dispositif électronique et procédé d'émission de signal dans un dispositif électronique prenant en charge une double connectivité WO2022186577A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2021-0028957 2021-03-04
KR1020210028957A KR20220125047A (ko) 2021-03-04 2021-03-04 전자 장치 및 이중 접속을 지원하는 전자 장치에서 신호를 전송하는 방법

Publications (1)

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WO2022186577A1 true WO2022186577A1 (fr) 2022-09-09

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160104102A (ko) * 2010-10-13 2016-09-02 에프코스 아게 안테나 및 rf 프론트 엔드 장치
KR20190107083A (ko) * 2017-02-09 2019-09-18 애플 인크. 5g/lte 이중 접속
US20200037383A1 (en) * 2018-07-30 2020-01-30 Qualcomm Incorporated Carrier switching and antenna switching for long term evolution and new radio dual connectivity
KR20200034551A (ko) * 2018-09-21 2020-03-31 엘지전자 주식회사 다중 송신 시스템 구조 및 이를 구비하는 이동 단말기
KR20200086246A (ko) * 2017-06-15 2020-07-16 애플 인크. Rat간 이중 접속 ue를 위한 tdm 송신

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160104102A (ko) * 2010-10-13 2016-09-02 에프코스 아게 안테나 및 rf 프론트 엔드 장치
KR20190107083A (ko) * 2017-02-09 2019-09-18 애플 인크. 5g/lte 이중 접속
KR20200086246A (ko) * 2017-06-15 2020-07-16 애플 인크. Rat간 이중 접속 ue를 위한 tdm 송신
US20200037383A1 (en) * 2018-07-30 2020-01-30 Qualcomm Incorporated Carrier switching and antenna switching for long term evolution and new radio dual connectivity
KR20200034551A (ko) * 2018-09-21 2020-03-31 엘지전자 주식회사 다중 송신 시스템 구조 및 이를 구비하는 이동 단말기

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