WO2021177474A1 - Dispositif électronique et procédé de commande de dispositif électronique pour atténuation thermique - Google Patents

Dispositif électronique et procédé de commande de dispositif électronique pour atténuation thermique Download PDF

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Publication number
WO2021177474A1
WO2021177474A1 PCT/KR2020/002945 KR2020002945W WO2021177474A1 WO 2021177474 A1 WO2021177474 A1 WO 2021177474A1 KR 2020002945 W KR2020002945 W KR 2020002945W WO 2021177474 A1 WO2021177474 A1 WO 2021177474A1
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Prior art keywords
electronic device
link
temperature
frequency band
link path
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PCT/KR2020/002945
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English (en)
Korean (ko)
Inventor
이창재
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엘지전자 주식회사
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Priority to PCT/KR2020/002945 priority Critical patent/WO2021177474A1/fr
Publication of WO2021177474A1 publication Critical patent/WO2021177474A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones

Definitions

  • the present invention relates to an electronic device that supports 5G communication, and more particularly, to an electronic device that can effectively perform wireless communication with a base station while effectively alleviating heat generated from the electronic device, and a method for controlling the electronic device. it's about
  • the electronic device includes a plurality of antenna modules, and high-speed wireless data communication can be performed by applying a higher voltage to the plurality of antenna modules.
  • the advantage of using a high bandwidth is to have a very high data transmission speed
  • the voltage applied to the PA is high, there is a problem that a rapid temperature rise may be induced around the PA.
  • 5G communication research to alleviate a sudden temperature rise that may occur during communication according to the 5G communication method (hereinafter referred to as 5G communication) is being actively conducted.
  • a thermal mitigation method was devised to relieve the heat of the antenna module through a specific heat alleviation operation corresponding to each temperature step by step according to the temperature of the antenna module.
  • this heat mitigation method instead of limiting the 5G communication performance by limiting the data transmission rate or reducing the number of antennas as the temperature of the antenna module increases, the transmission rate of downloaded or uploaded data is gradually limited, instead of limiting the antenna module’s performance. A way to relieve heat.
  • specific heat relief operations corresponding to different temperatures may be sequentially performed according to the temperature. For example, when the antenna module reaches the first temperature in a normal operating state, the data transmission rate is limited to suppress heat generation of the electronic device, and when the antenna module reaches a second temperature higher than the first temperature, the antenna module performs wireless communication The number of antennas used for the wireless communication is reduced, and when a third temperature higher than the second temperature is reached, the antenna module is switched to another antenna module to suppress heat generation of the electronic device. In this state, when the heat of the electronic device continues to reach a preset fallback, the electronic device may stop 5G communication and switch the communication method to the 4G communication method to perform wireless communication.
  • each antenna module is arranged to face each other in a different direction. Therefore, when the antenna module is switched to another antenna module, a beam oriented in a different direction from the beam formed in the existing antenna module is formed, and accordingly, a beam is formed in a direction different from the direction coincident with the beam of the base station. this will decrease The transmit power of the switched antenna module is then increased to compensate for the reduced data throughput, which may likewise cause a temperature rise of the antenna module.
  • An object of the present invention is to solve these problems, and to provide an electronic device capable of more effectively alleviating heat generation and a method of controlling the electronic device capable of alleviating heat generation.
  • Another object of the present invention is to provide an electronic device and a control method of the electronic device that distinguish a link that causes heat of the electronic device, and relieve heat only for the link that causes heat.
  • An electronic device for achieving the above or other object, an uplink path or a downlink path through a plurality of frequency bands bundled through carrier aggregation ), and an antenna module for transmitting and receiving data through the formed uplink path or downlink path, a temperature sensor for detecting the temperature of the antenna module, and heat generation when the temperature of the antenna module reaches a preset temperature and a modem that determines whether the cause of ' is uplink or downlink, and changes the link path of the determined link so that use of at least one of a plurality of frequency bands forming the link path of the determined link is restricted. do it with
  • the modem is characterized in that, according to the temperature detected from the electronic device, the frequency bands bundled through the carrier aggregation are further limited sequentially in order of increasing frequency.
  • the modem when the temperature detected from the electronic device reaches a preset temperature, the modem selects a list of frequency bands from which the at least one frequency band is excluded through the carrier aggregation according to the temperature. transmits a link path change request message including It is characterized in that the link path of the determined link including the frequency band is formed.
  • the link path change request message and the link path change command are messages exchanged in a Media Access Control (MAC) layer between the base station and the electronic device.
  • MAC Media Access Control
  • the modem compares the transmission speed of data received by the electronic device with the transmission speed of data transmitted from the electronic device. It is characterized in that the link causing the heat is determined according to the
  • the antenna module includes a first antenna module for transmitting data through the uplink path and a second antenna module for receiving data through the downlink path, wherein the modem comprises: When the temperature of the electronic device reaches a preset temperature, the link causing the heat generation is determined according to a result of comparing the temperatures of the first antenna module and the second antenna module.
  • the antenna module includes a power amplifier for amplifying an output of a transmission signal and a low noise amplifier for amplifying an output of a reception signal, wherein the modem comprises: When the temperature of the antenna module reaches a preset temperature, the link causing the heat is determined according to a result of comparing the temperatures of the power amplifier and the low noise amplifier.
  • the modem when the electronic device is a non-stand-alone (NSA) type electronic device using both at least one frequency band according to the 5G communication method and the 4G frequency band, the temperature of the electronic device When the preset temperature is reached, the link path of the determined link is changed so as not to include at least one of the at least one frequency band according to the 5G communication method.
  • NSA non-stand-alone
  • the mmWave frequency band is set to the Sub-6 frequency band. It is characterized in that the link path of the determined link is changed so as to be excluded in preference to .
  • the temperature of the electronic device reaches the preset temperature Then, it is characterized in that the link path of the determined link is changed so as not to include the mmWave frequency band.
  • the modem detects whether the temperature of the electronic device has reached a preset communication method switching temperature, and the communication method When the switching temperature is reached, it is characterized in that the communication method is switched to a preset communication method.
  • the modem determines whether the temperature of the antenna module reaches a preset temperature at every preset period, and determines a link causing heat of the electronic device according to the determination result, and the determined It is characterized in that the link path of the link is changed.
  • a method for controlling an electronic device for achieving the above or other object includes the steps of detecting a temperature of the electronic device, and when the detected temperature is equal to or greater than a preset first temperature, heat is generated in the electronic device determining a first link causing and changing the path.
  • the step of changing the link path comprises transmitting a link path change request including information on frequency bands from which at least one of the information of the first link and the identified frequency bands is excluded to the base station.
  • the changing of the link path includes: identifying a first frequency band having the highest frequency among the identified frequency bands; changing a link path of a link; detecting the temperature of the electronic device and detecting whether the detected temperature reaches a second temperature higher than the first temperature; Identifying a second frequency band having a frequency higher than that of the first frequency band, and changing the link path of the first link to not include the second frequency band again.
  • the present invention determines a link that causes heat in an electronic device and restricts heat alleviation only to the determined link, so that other links that do not cause heat can change the 5G communication state. make it possible to keep Therefore, the present invention has the effect of allowing the electronic device to maintain the state of maintaining 5G communication for a longer period of time.
  • FIG. 1A and 1B are conceptual views illustrating an interface between an electronic device and an external device or a server according to an embodiment of the present invention.
  • FIG. 2A is a block diagram illustrating a detailed configuration of an electronic device according to an embodiment of the present invention.
  • 2B to 2C are perspective views viewed from different directions of an electronic device related to an embodiment of the present invention.
  • 3A is an exemplary diagram illustrating an example of a configuration in which a plurality of antennas of an electronic device related to the present invention can be disposed.
  • 3B is a block diagram illustrating a configuration of a wireless communication unit of an electronic device related to the present invention operable in a plurality of wireless communication systems.
  • 4A is a block diagram illustrating a combined structure in which a plurality of antennas and transceiver circuits are operable with a processor in an electronic device related to the present invention.
  • FIG. 4B is a block diagram illustrating a combined structure in which antennas and transceiver circuits are additionally operable with a processor in the configuration diagram of FIG. 4A .
  • FIG. 5 is a conceptual diagram illustrating a framework structure related to an application program operating in an electronic device related to the present invention.
  • 6A and 6B are structural diagrams for explaining the structure of a wireless communication system of an electronic device related to the present invention.
  • 7A and 7B are conceptual diagrams for explaining the structure of a frame according to a 5G communication method (NR: New Radio).
  • NR New Radio
  • 8A and 8B are conceptual diagrams illustrating a time and frequency resource structure according to a 5G communication method.
  • FIG. 9 is a conceptual diagram illustrating configurations in which an electronic device related to the present invention is interfaced with a plurality of base stations or network entities.
  • FIG. 10 is a conceptual diagram for explaining a system structure in which an electronic device related to the present invention is connected to a plurality of different networks according to an NSA (Non Stand Alone) structure.
  • NSA Non Stand Alone
  • FIG. 11 is a flowchart illustrating an operation process in which an electronic device related to the present invention determines a link causing heat and relieves heat on the determined link.
  • FIG. 12 is a flowchart illustrating a process of changing a link path so that at least one of frequency bands forming the link path is excluded during the process of FIG. 11 and a MAC (Medium Access Control) layer including the link path change request. It shows an example of control elements (CE, Control Elements).
  • CE Control Elements
  • FIG. 13 is a flowchart illustrating an operation process of changing a link path according to the temperature of the electronic device when the electronic device related to the present invention is an electronic device capable of using both the mmWave frequency band and the Sub-6 frequency band.
  • FIG. 14 is a conceptual diagram illustrating an example in which a link path is changed when the electronic device related to the present invention is an electronic device capable of using both the mmWave frequency band and the Sub-6 frequency band.
  • Electronic devices described in this specification include mobile phones, smart phones, laptop computers, digital broadcasting terminals, personal digital assistants (PDAs), portable multimedia players (PMPs), navigation systems, and slate PCs.
  • PDAs personal digital assistants
  • PMPs portable multimedia players
  • slate PCs slate PCs.
  • tablet PCs ultrabooks
  • wearable devices for example, watch-type terminals (smartwatch), glass-type terminals (smart glass), HMD (head mounted display), etc. may be included. have.
  • FIG. 1A shows a configuration for explaining an electronic device according to an embodiment and an interface between the electronic device and an external device or a server.
  • FIG. 1B shows a detailed configuration in which an electronic device is interfaced with an external device or a server according to an exemplary embodiment.
  • FIG. 2A shows a detailed configuration of the electronic device of FIG. 1A .
  • FIGS. 2B and 2C are conceptual views of an example of an electronic device related to the present invention viewed from different directions.
  • the electronic device 100 is configured to include a communication interface 110 , an input interface (or an input device) 120 , an output interface (or an output device) 150 , and a processor 180 .
  • the communication interface 110 may refer to the wireless communication module 110 .
  • the electronic device 100 may be configured to further include a display 151 and a memory 170 .
  • the components shown in FIG. 1A are not essential for implementing the electronic device, and thus the electronic device described herein may have more or fewer components than those listed above.
  • the wireless communication module 110 among the components, between the electronic device 100 and the wireless communication system, between the electronic device 100 and another electronic device 100, or the electronic device 100 and the outside It may include one or more modules that enable wireless communication between servers.
  • the wireless communication module 110 may include one or more modules for connecting the electronic device 100 to one or more networks.
  • the one or more networks may be, for example, a 4G communication network and a 5G communication network.
  • the wireless communication module 110 includes at least one of a 4G wireless communication module 111 , a 5G wireless communication module 112 , a short-range communication module 113 , and a location information module 114 .
  • a 4G wireless communication module 111 may include.
  • the 4G wireless communication module 111 , the 5G wireless communication module 112 , the short-range communication module 113 , and the location information module 114 may be implemented with a baseband processor such as a modem.
  • the 4G wireless communication module 111 , the 5G wireless communication module 112 , the short-range communication module 113 and the location information module 114 may include a transceiver circuit and a baseband processor operating in an IF band.
  • the RF module 1200 may be implemented as an RF transceiver circuit operating in an RF frequency band of each communication system.
  • the present invention is not limited thereto, and the 4G wireless communication module 111 , the 5G wireless communication module 112 , the short-range communication module 113 and the location information module 114 may be interpreted to include each RF module.
  • the 4G wireless communication module 111 may transmit and receive a 4G signal with a 4G base station through a 4G mobile communication network. In this case, the 4G wireless communication module 111 may transmit one or more 4G transmission signals to the 4G base station. In addition, the 4G wireless communication module 111 may receive one or more 4G reception signals from the 4G base station.
  • Up-Link (UL) Multi-Input Multi-Output (MIMO) may be performed by a plurality of 4G transmission signals transmitted to the 4G base station.
  • Down-Link (DL) Multi-Input Multi-Output (MIMO) may be performed by a plurality of 4G reception signals received from a 4G base station.
  • the 5G wireless communication module 112 may transmit and receive a 5G signal with a 5G base station through a 5G mobile communication network.
  • the 4G base station and the 5G base station may have a Non-Stand-Alone (NSA) structure.
  • NSA Non-Stand-Alone
  • the 4G base station and the 5G base station may be a co-located structure disposed at the same location in a cell.
  • the 5G base station may be disposed in a stand-alone (SA) structure at a location separate from the 4G base station.
  • SA stand-alone
  • the 5G wireless communication module 112 may transmit and receive a 5G signal with a 5G base station through a 5G mobile communication network. In this case, the 5G wireless communication module 112 may transmit one or more 5G transmission signals to the 5G base station. In addition, the 5G wireless communication module 112 may receive one or more 5G reception signals from the 5G base station.
  • the 5G frequency band may use the same band as the 4G frequency band, and this may be referred to as LTE re-farming.
  • the 5G frequency band the Sub6 band, which is a band of 6 GHz or less, may be used.
  • a millimeter wave (mmWave) band may be used as a 5G frequency band to perform broadband high-speed communication.
  • the electronic device 100 may perform beam forming for communication coverage expansion with a base station.
  • the 5G communication system may support a larger number of Multi-Input Multi-Output (MIMO) in order to improve transmission speed.
  • MIMO Multi-Input Multi-Output
  • UL MIMO may be performed by a plurality of 5G transmission signals transmitted to the 5G base station.
  • DL MIMO may be performed by a plurality of 5G reception signals received from a 5G base station.
  • the wireless communication module 110 may be in a dual connectivity (DC) state with the 4G base station and the 5G base station through the 4G wireless communication module 111 and the 5G wireless communication module 112 .
  • DC dual connectivity
  • the dual connection with the 4G base station and the 5G base station may be referred to as EN-DC (EUTRAN NR DC).
  • EUTRAN is an Evolved Universal Telecommunication Radio Access Network, which means a 4G wireless communication system
  • NR is New Radio, which means a 5G wireless communication system.
  • the 4G base station and the 5G base station have a co-located structure, throughput improvement is possible through inter-CA (Carrier Aggregation). Therefore, the 4G base station and the 5G base station In the EN-DC state, the 4G reception signal and the 5G reception signal may be simultaneously received through the 4G wireless communication module 111 and the 5G wireless communication module 112 .
  • inter-CA Carrier Aggregation
  • Short-range communication module 113 is for short-range communication, Bluetooth (Bluetooth), RFID (Radio Frequency Identification), infrared communication (Infrared Data Association; IrDA), UWB (Ultra Wideband), ZigBee, NFC ( Near Field Communication), Wi-Fi (Wireless-Fidelity), Wi-Fi Direct, and Wireless USB (Wireless Universal Serial Bus) technology may be used to support short-distance communication.
  • the short-distance communication module 114 is, between the electronic device 100 and the wireless communication system, between the electronic device 100 and the other electronic device 100, or the electronic device 100 through a wireless local area network (Wireless Area Networks). ) and another electronic device (100, or an external server) can support wireless communication between the network located.
  • the local area network may be a local area network (Wireless Personal Area Networks).
  • short-distance communication between electronic devices may be performed using the 4G wireless communication module 111 and the 5G wireless communication module 112 .
  • short-distance communication may be performed between electronic devices by a device-to-device (D2D) method without going through a base station.
  • D2D device-to-device
  • carrier aggregation using at least one of the 4G wireless communication module 111 and the 5G wireless communication module 112 and the Wi-Fi communication module 113
  • 4G + WiFi carrier aggregation may be performed using the 4G wireless communication module 111 and the Wi-Fi communication module 113
  • 5G + WiFi carrier aggregation may be performed using the 5G wireless communication module 112 and the Wi-Fi communication module 113 .
  • the location information module 114 is a module for acquiring a location (or current location) of an electronic device, and a representative example thereof includes a Global Positioning System (GPS) module or a Wireless Fidelity (WiFi) module.
  • GPS Global Positioning System
  • Wi-Fi Wireless Fidelity
  • the electronic device utilizes a GPS module
  • the location of the electronic device may be obtained by using a signal transmitted from a GPS satellite.
  • the location of the electronic device may be acquired based on information of the Wi-Fi module and a wireless access point (AP) that transmits or receives a wireless signal.
  • AP wireless access point
  • the location information module 114 may perform any function of the other modules of the wireless communication module 110 to obtain data on the location of the electronic device as a substitute or additionally.
  • the location information module 114 is a module used to obtain the location (or current location) of the electronic device, and is not limited to a module that directly calculates or obtains the location of the electronic device.
  • the location of the electronic device may be obtained based on the information of the 5G wireless communication module and the 5G base station that transmits or receives the wireless signal.
  • the 5G base station of the millimeter wave (mmWave) band is deployed in a small cell having a narrow coverage, it is advantageous to obtain the location of the electronic device.
  • the input device 120 may include a pen sensor 1200 , a key button 123 , a voice input module 124 , a touch panel 151a, and the like. Meanwhile, the input device 120 includes a camera module 121 or an image input unit for inputting an image signal, a microphone 152c for inputting an audio signal, or an audio input unit, and a user input unit (eg, a user input unit for receiving information from a user). For example, it may include a touch key, a push key (mechanical key, etc.). The voice data or image data collected by the input device 120 may be analyzed and processed as a user's control command.
  • the camera module 121 is a device capable of capturing still images and moving images, and according to an embodiment, one or more image sensors (eg, a front sensor or a rear sensor), a lens, an image signal processor (ISP), or a flash (eg, : LED or lamp, etc.).
  • image sensors eg, a front sensor or a rear sensor
  • lens e.g., a lens
  • ISP image signal processor
  • flash eg, : LED or lamp, etc.
  • the sensor module 140 may include one or more sensors for sensing at least one of information in the electronic device, surrounding environment information surrounding the electronic device, and user information.
  • the sensor module 140 may include a gesture sensor 340a, a gyro sensor 340b, a barometric pressure sensor 340c, a magnetic sensor 340d, an acceleration sensor 340e, a grip sensor 340f, and a proximity sensor 340g. ), color sensor (340h) (e.g.
  • RGB red, green, blue
  • biometric sensor 340i
  • temperature/humidity sensor 340j
  • illuminance sensor 340k
  • UV ultra violet
  • At least one of a sensor 340l, an optical sensor 340m, and a hall sensor 340n may be included.
  • the sensor module 140 includes a fingerprint recognition sensor (finger scan sensor), an ultrasonic sensor (ultrasonic sensor), an optical sensor (for example, a camera (see 121)), a microphone (see 152c), a battery battery gauges, environmental sensors (eg barometers, hygrometers, thermometers, radiation sensors, thermal sensors, gas detection sensors, etc.), chemical sensors (eg electronic noses, healthcare sensors, biometric sensors, etc.) etc.) may be included.
  • the electronic device disclosed in the present specification may combine and utilize information sensed by at least two or more of these sensors.
  • the output interface 150 is for generating an output related to visual, auditory or tactile sense, and may include at least one of a display 151 , an audio module 152 , a haptip module 153 , and an indicator 154 .
  • the display 151 may implement a touch screen by forming a layer structure with each other or integrally formed with the touch sensor.
  • a touch screen may function as the user input unit 123 providing an input interface between the electronic device 100 and the user, and may provide an output interface between the electronic device 100 and the user.
  • the display 151 may be a liquid crystal display (LCD), a light emitting diode (LED) display, an organic light emitting diode (OLED) display, or a micro electromechanical system (micro-electromechanical system). electro mechanical systems, MEMS) displays, or electronic paper displays.
  • the display 151 may display various contents (eg, text, image, video, icon, and/or symbol, etc.) to the user.
  • the display 151 may include a touch screen, and may receive, for example, a touch input using an electronic pen or a part of the user's body, a gesture, a proximity, or a hovering input.
  • the display 151 may include a touch panel 151a, a hologram device 151b, a projector 151c, and/or a control circuit for controlling them.
  • the panel may be implemented to be flexible, transparent, or wearable.
  • the panel may include the touch panel 151a and one or more modules.
  • the hologram device 151b may display a stereoscopic image in the air by using light interference.
  • the projector 151c may display an image by projecting light onto the screen.
  • the screen may be located inside or outside the electronic device 100 , for example.
  • the audio module 152 may be configured to interwork with the receiver 152a, the speaker 152b, and the microphone 152c. Meanwhile, the haptic module 153 may convert an electrical signal into mechanical vibration, and may generate vibration or a haptic effect (eg, pressure, texture) or the like.
  • the electronic device includes, for example, a mobile TV support device (eg, GPU) capable of processing media data according to standards such as digital multimedia broadcasting (DMB), digital video broadcasting (DVB), or mediaFlow.
  • DMB digital multimedia broadcasting
  • DVD digital video broadcasting
  • mediaFlow may include Also, the indicator 154 may display a specific state of the electronic device 100 or a part thereof (eg, the processor 310 ), for example, a booting state, a message state, or a charging state.
  • the wired communication module 160 which may be implemented as an interface unit, functions as a passage with various types of external devices connected to the electronic device 100 .
  • the wired communication module 160 includes an HDMI 162 , a USB 162 , a connector/port 163 , an optical interface 164 , or a D-sub (D-subminiature) 165 . can do.
  • the wired communication module 160 connects a device equipped with a wired/wireless headset port, an external charger port, a wired/wireless data port, a memory card port, and an identification module. It may include at least one of a port, an audio I/O (Input/Output) port, a video I/O (Input/Output) port, and an earphone port.
  • the electronic device 100 may perform appropriate control related to the connected external device.
  • the memory 170 stores data supporting various functions of the electronic device 100 .
  • the memory 170 may store a plurality of application programs (or applications) driven in the electronic device 100 , data for operation of the electronic device 100 , and commands. At least some of these application programs may be downloaded from an external server (eg, the first server 310 or the second server 320) through wireless communication. In addition, at least some of these application programs may exist on the electronic device 100 from the time of shipment for basic functions (eg, incoming calls, outgoing functions, message reception, and outgoing functions) of the electronic device 100 . Meanwhile, the application program may be stored in the memory 170 , installed on the electronic device 100 , and driven to perform an operation (or function) of the electronic device by the processor 180 .
  • the first server 310 may be referred to as an authentication server
  • the second server 320 may be referred to as a content server.
  • the first server 310 and/or the second server 320 may interface with an electronic device through a base station.
  • a part of the second server 320 corresponding to the content server may be implemented as a mobile edge cloud (MEC, 330) in units of base stations. Accordingly, it is possible to implement a distributed network through the second server 320 implemented as a mobile edge cloud (MEC, 330) and to reduce content transmission delay.
  • MEC mobile edge cloud
  • Memory 170 may include volatile and/or non-volatile memory. Also, the memory 170 may include an internal memory 170a and an external memory 170b. The memory 170 may store, for example, commands or data related to at least one other component of the electronic device 100 . According to one embodiment, the memory 170 may store software and/or a program 240 .
  • the program 240 may include a kernel 171 , middleware 172 , an application programming interface (API) 173 , or an application program (or “application”) 174 , and the like. At least a portion of the kernel 171 , the middleware 172 , or the API 174 may be referred to as an operating system (OS).
  • OS operating system
  • the kernel 171 is a system used to execute operations or functions implemented in other programs (eg, middleware 172 , an application programming interface (API) 173 , or an application program 174 ).
  • Resources eg, bus, memory 170, processor 180, etc.
  • the kernel 171 may provide an interface capable of controlling or managing system resources by accessing individual components of the electronic device 100 from the middleware 172 , the API 173 , or the application program 174 . can
  • the middleware 172 may play an intermediary role so that the API 173 or the application program 174 communicates with the kernel 171 to exchange data. Also, the middleware 172 may process one or more work requests received from the application program 247 according to priority. In an embodiment, the middleware 172 sets a priority for using system resources (eg, bus, memory 170, processor 180, etc.) of the electronic device 100 to at least one of the application programs 174 . Grants and can process one or more work requests.
  • the API 173 is an interface for the application program 174 to control a function provided by the kernel 171 or the middleware 1723, for example, at least one for file control, window control, image processing, or text control. It can contain interfaces or functions (such as commands).
  • the processor 180 In addition to the operation related to the application program, the processor 180 generally controls the overall operation of the electronic device 100 .
  • the processor 180 may provide or process appropriate information or functions to the user by processing signals, data, information, etc. input or output through the above-described components or by driving an application program stored in the memory 170 .
  • the processor 180 may control at least some of the components described with reference to FIGS. 1A and 2A in order to drive an application program stored in the memory 170 .
  • the processor 180 may operate by combining at least two or more of the components included in the electronic device 100 to drive the application program.
  • the processor 180 is one of a central processing unit (CPU), an application processor (AP), an image signal processor (ISP), a communication processor (CP), a low-power processor (eg, a sensor hub), or It may include more than that.
  • the processor 180 may execute an operation or data processing related to control and/or communication of at least one other component of the electronic device 100 .
  • the power supply unit 190 receives external power and internal power under the control of the processor 180 to supply power to each component included in the electronic device 100 .
  • the power supply unit 190 includes a power management module 191 and a battery 192, and the battery 192 may be a built-in battery or a replaceable battery.
  • the power management module 191 may include a power management integrated circuit (PMIC), a charger IC, or a battery or fuel gauge.
  • the PMIC may have a wired and/or wireless charging method.
  • the wireless charging method includes, for example, For example, it includes a magnetic resonance method, a magnetic induction method, an electromagnetic wave method, etc., and may further include an additional circuit for wireless charging, for example, a coil loop, a resonance circuit, or a rectifier.
  • the remaining amount of the battery 396, voltage, current, or temperature during charging may be measured, for example, the battery 192 may include a rechargeable battery and/or a solar cell.
  • Each of the external device 100a , the first server 310 , and the second server 320 may be the same or a different type of device (eg, an external device or a server) as the electronic device 100 .
  • all or a part of the operations executed in the electronic device 100 are other one or a plurality of electronic devices (eg, the external device 100a, the first server 310, and the second server 320).
  • the electronic device 100 when the electronic device 100 needs to perform a function or service automatically or upon request, the electronic device 100 performs the function or service by itself instead of or in addition to it. At least some related functions may be requested from other devices (eg, the external device 100a, the first server 310, and the second server 320).
  • Other electronic devices may execute a requested function or an additional function, and transmit the result to the electronic device 201 .
  • the electronic device 100 may provide a requested function or service by processing the received result as it is or additionally.
  • cloud computing distributed computing, client-server computing, or mobile edge cloud (MEC) technology may be used.
  • MEC mobile edge cloud
  • At least some of the respective components may operate in cooperation with each other to implement an operation, control, or control method of an electronic device according to various embodiments described below.
  • the operation, control, or control method of the electronic device may be implemented on the electronic device by driving at least one application program stored in the memory 170 .
  • the wireless communication system may include an electronic device 100 , at least one external device 100a , a first server 310 , and a second server 320 .
  • the electronic device 100 is functionally connected to at least one external device 100a, and can control contents or functions of the electronic device 100 based on information received from the at least one external device 100a.
  • the electronic device 100 may use the servers 310 and 320 to perform authentication to determine whether the at least one external device 100 includes or generates information conforming to a predetermined rule. have.
  • the electronic device 100 may display content or control functions differently by controlling the electronic device 100 based on the authentication result.
  • the electronic device 100 may be connected to at least one external device 100a through a wired or wireless communication interface to receive or transmit information.
  • the electronic device 100 and the at least one external device 100a may include near field communication (NFC), a charger (eg, universal serial bus (USB)-C), an ear jack, Information may be received or transmitted in a manner such as BT (bluetooth) or WiFi (wireless fidelity).
  • NFC near field communication
  • USB universal serial bus
  • WiFi wireless fidelity
  • the electronic device 100 includes at least one of an external device authentication module 100-1, a content/function/policy information DB 100-2, an external device information DB 100-3, or a content DB 104. can do.
  • the at least one external device 100a may be a device designed for various purposes, such as convenience of use of the electronic device 100, increase of aesthetic beauty, enhancement of usability, etc. .
  • At least one external device 100a may or may not physically contact the electronic device 100 .
  • the at least one external device 100a is functionally connected to the electronic device 100 using a wired/wireless communication module, and receives control information for controlling content or functions in the electronic device 100 . can be transmitted
  • the at least one external device 100a encrypts/decrypts one or more pieces of information included in the external device information, or stores it in a physical/virtual memory area that is not directly accessible from the outside. and may include an authentication module for management.
  • the at least one external device 100a may communicate with the electronic device 100 or provide information through communication between external devices.
  • at least one external device 100a may be functionally connected to the server 410 or 320 .
  • the at least one external device 100a includes a cover case, an NFC dongle, a vehicle charger, an earphone, an ear cap (eg, an accessory device mounted on a mobile phone audio connector), a thermometer, It may be a product of various types, such as an electronic pen, BT earphone, BT speaker, BT dongle, TV, refrigerator, WiFi dongle, etc.
  • the external device 100a such as a wireless charger may supply power to the electronic device 100 through a charging interface such as a coil.
  • control information may be exchanged between the external device 100a and the electronic device 100 through in-band communication through a charging interface such as a coil.
  • control information may be exchanged between the external device 100a and the electronic device 100 through out-of-band communication such as Bluetooth or NFC.
  • the first server 310 may include a server for a service related to the at least one external device 100a, a cloud device, or a hub device for controlling a service in a smart home environment.
  • the first server 310 may include at least one of an external device authentication module 311 , a content/function/policy information DB 312 , an external device information DB 313 , and an electronic device/user DB 314 .
  • the first server 310 may be referred to as an authentication management server, an authentication server, or an authentication-related server.
  • the second server 320 may include a server or a cloud device for providing a service or content, or a hub device for providing a service in a smart home environment.
  • the second server 320 may include one or more of a content DB 321 , an external device specification information DB 322 , a content/function/policy information management module 323 , or a device/user authentication/management module 324 .
  • the second server 130 may be referred to as a content management server, a content server, or a content-related server.
  • the disclosed electronic device 100 has a bar-shaped terminal body.
  • the present invention is not limited thereto, and may be applied to various structures such as a watch type, a clip type, a glass type, or a folder type in which two or more bodies are coupled to be relatively movable, a flip type, a slide type, a swing type, a swivel type, etc. . While they will relate to a particular type of electronic device, descriptions relating to a particular type of electronic device may apply generally to other types of electronic device.
  • the terminal body may be understood as a concept referring to the electronic device 100 as at least one aggregate.
  • the electronic device 100 includes a case (eg, a frame, a housing, a cover, etc.) forming an exterior. As shown, the electronic device 100 may include a front case 101 and a rear case 102 . Various electronic components are disposed in the inner space formed by the combination of the front case 101 and the rear case 102 . At least one middle case may be additionally disposed between the front case 101 and the rear case 102 .
  • a case eg, a frame, a housing, a cover, etc.
  • the electronic device 100 may include a front case 101 and a rear case 102 .
  • Various electronic components are disposed in the inner space formed by the combination of the front case 101 and the rear case 102 .
  • At least one middle case may be additionally disposed between the front case 101 and the rear case 102 .
  • a display 151 is disposed on the front surface of the terminal body to output information. As shown, the window 151a of the display 151 may be mounted on the front case 101 to form a front surface of the terminal body together with the front case 101 .
  • an electronic component may also be mounted on the rear case 102 .
  • Electronic components that can be mounted on the rear case 102 include a removable battery, an identification module, a memory card, and the like.
  • the rear cover 103 for covering the mounted electronic component may be detachably coupled to the rear case 102 . Accordingly, when the rear cover 103 is separated from the rear case 102 , the electronic components mounted on the rear case 102 are exposed to the outside.
  • a portion of the side of the rear case 102 may be implemented to operate as a radiator (radiator).
  • the rear cover 103 when the rear cover 103 is coupled to the rear case 102, a portion of the side of the rear case 102 may be exposed. In some cases, the rear case 102 may be completely covered by the rear cover 103 during the combination. Meanwhile, the rear cover 103 may have an opening for exposing the camera 121b or the sound output unit 152b to the outside.
  • the electronic device 100 includes a display 151 , first and second sound output units 152a and 152b , a proximity sensor 141 , an illuminance sensor 142 , a light output unit 154 , and first and second cameras. (121a, 121b), first and second operation units (123a, 123b), a microphone 122, a wired communication module 160, etc. may be provided.
  • the display 151 displays (outputs) information processed by the electronic device 100 .
  • the display 151 may display information on an execution screen of an application program driven in the electronic device 100 , or user interface (UI) and graphic user interface (GUI) information according to the information on the execution screen.
  • UI user interface
  • GUI graphic user interface
  • two or more displays 151 may exist depending on the implementation form of the electronic device 100 .
  • a plurality of display units may be spaced apart or disposed integrally on one surface, or may be respectively disposed on different surfaces.
  • the display 151 may include a touch sensor for sensing a touch on the display 151 so as to receive a control command input by a touch method. Using this, when a touch is made on the display 151, the touch sensor detects the touch, and the processor 180 may generate a control command corresponding to the touch based thereon.
  • the content input by the touch method may be letters or numbers, or menu items that can be instructed or designated in various modes.
  • the display 151 may form a touch screen together with the touch sensor, and in this case, the touch screen may function as the user input unit 123 (refer to FIG. 1A ). In some cases, the touch screen may replace at least some functions of the first operation unit 123a.
  • the first sound output unit 152a may be implemented as a receiver that transmits a call sound to the user's ear, and the second sound output unit 152b is a loud speaker that outputs various alarm sounds or multimedia reproduction sounds. ) can be implemented in the form of
  • the light output unit 154 is configured to output light to notify the occurrence of an event. Examples of the event may include a message reception, a call signal reception, a missed call, an alarm, a schedule notification, an email reception, and information reception through an application.
  • the processor 180 may control the light output unit 154 to end the light output.
  • the first camera 121a processes an image frame of a still image or a moving image obtained by an image sensor in a shooting mode or a video call mode.
  • the processed image frame may be displayed on the display 151 and stored in the memory 170 .
  • the first and second manipulation units 123a and 123b are an example of the user input unit 123 operated to receive a command for controlling the operation of the electronic device 100, and may be collectively referred to as a manipulating portion. have.
  • the first and second operation units 123a and 123b may be adopted in any manner as long as they are operated in a tactile manner, such as by a touch, push, or scroll, while the user receives a tactile feeling.
  • the first and second manipulation units 123a and 123b may be operated in a manner in which the user is operated without a tactile feeling through a proximity touch, a hovering touch, or the like.
  • the electronic device 100 may be provided with a fingerprint recognition sensor for recognizing a user's fingerprint, and the processor 180 may use fingerprint information detected through the fingerprint recognition sensor as an authentication means.
  • the fingerprint recognition sensor may be embedded in the display 151 or the user input unit 123 .
  • the wired communication module 160 serves as a passage through which the electronic device 100 can be connected to an external device.
  • the wired communication module 160 includes a connection terminal for connection with another device (eg, earphone, external speaker), a port for short-range communication (eg, an infrared port (IrDA Port), a Bluetooth port ( Bluetooth Port), a wireless LAN port, etc.], or may be at least one of a power supply terminal for supplying power to the electronic device 100 .
  • the wired communication module 160 may be implemented in the form of a socket accommodating an external card, such as a subscriber identification module (SIM), a user identity module (UIM), or a memory card for information storage.
  • SIM subscriber identification module
  • UIM user identity module
  • memory card for information storage.
  • a second camera 121b may be disposed on the rear side of the terminal body.
  • the second camera 121b has a photographing direction substantially opposite to that of the first camera 121a.
  • the second camera 121b may include a plurality of lenses arranged along at least one line.
  • the plurality of lenses may be arranged in a matrix form.
  • Such a camera may be referred to as an array camera.
  • an image may be captured in various ways using a plurality of lenses, and an image of better quality may be obtained.
  • the flash 125 may be disposed adjacent to the second camera 121b. The flash 125 illuminates light toward the subject when the subject is photographed by the second camera 121b.
  • a second sound output unit 152b may be additionally disposed on the terminal body.
  • the second sound output unit 152b may implement a stereo function together with the first sound output unit 152a, and may be used to implement a speakerphone mode during a call.
  • the microphone 152c is configured to receive a user's voice, other sounds, and the like.
  • the microphone 152c may be provided at a plurality of locations and configured to receive stereo sound.
  • At least one antenna for wireless communication may be provided in the terminal body.
  • the antenna may be built into the terminal body or formed in the case. Meanwhile, a plurality of antennas connected to the 4G wireless communication module 111 and the 5G wireless communication module 112 may be disposed on the side of the terminal.
  • the antenna may be formed in a film type and attached to the inner surface of the rear cover 103 , or a case including a conductive material may be configured to function as an antenna.
  • a plurality of antennas disposed on the side of the terminal may be implemented in four or more to support MIMO.
  • the 5G wireless communication module 112 operates in a millimeter wave (mmWave) band
  • mmWave millimeter wave
  • a plurality of array antennas may be disposed in the electronic device.
  • the terminal body is provided with a power supply unit 190 (refer to FIG. 1A ) for supplying power to the electronic device 100 .
  • the power supply unit 190 may include a battery 191 that is built into the terminal body or is detachably configured from the outside of the terminal body.
  • the 5G frequency band may be a higher frequency band than the Sub6 band.
  • the 5G frequency band may be a millimeter wave band, but is not limited thereto and may be changed according to an application.
  • FIG. 3A illustrates an example of a configuration in which a plurality of antennas of an electronic device may be disposed according to an embodiment.
  • a plurality of antennas 1110a to 1110d may be disposed inside or on the front side of the electronic device 100 .
  • the plurality of antennas 1110a to 1110d may be implemented in a form printed on a carrier inside an electronic device or may be implemented in a system-on-a-chip (Soc) form together with an RFIC.
  • the plurality of antennas 1110a to 1110d may be disposed on the front side of the electronic device in addition to the inside of the electronic device.
  • the plurality of antennas 1110a to 1110d disposed on the front surface of the electronic device 100 may be implemented as transparent antennas built into the display.
  • a plurality of antennas 1110S1 and 1110S2 may be disposed on the side of the electronic device 100 .
  • a 4G antenna is disposed on the side of the electronic device 100 in the form of a conductive member, a slot is formed in the conductive member region, and a plurality of antennas 1110a to 1110d are configured to radiate a 5G signal through the slot.
  • antennas 1150B may be disposed on the rear surface of the electronic device 100 so that the 5G signal may be radiated to the rear surface.
  • At least one signal may be transmitted or received through the plurality of antennas 1110S1 and 1110S2 on the side of the electronic device 100 .
  • the present invention may transmit or receive at least one signal through the plurality of antennas 1110a to 1110d, 1150B, 1110S1 and 1110S2 on the front and/or side of the electronic device 100 .
  • the electronic device may communicate with the base station through any one of the plurality of antennas 1110a to 1110d, 1150B, 1110S1 and 1110S2.
  • the electronic device may perform multiple input/output (MIMO) communication with the base station through two or more antennas among the plurality of antennas 1110a to 1110d, 1150B, 1110S1 and 1110S2.
  • MIMO multiple input/output
  • the electronic device includes a first power amplifier 210 , a second power amplifier 220 , and an RFIC 250 .
  • the electronic device may further include a modem (Modem, 270) and an application processor (AP: Application Processor, 280).
  • the modem 270 and the application processor AP 280 are physically implemented on a single chip, and may be implemented in a logically and functionally separated form.
  • the present invention is not limited thereto and may be implemented in the form of physically separated chips depending on the application.
  • the electronic device includes a plurality of low noise amplifiers (LNA: Low Noise Amplifiers, 261 to 264) in the receiver.
  • LNA Low Noise Amplifiers
  • the first power amplifier 210 , the second power amplifier 220 , the RFIC 250 , and the plurality of low-noise amplifiers 261 to 264 are all operable in the first communication system and the second communication system.
  • the first communication system and the second communication system may be a 4G communication system and a 5G communication system, respectively.
  • the RFIC 250 may be configured as a 4G/5G integrated type, but is not limited thereto and may be configured as a 4G/5G separate type according to an application.
  • the RFIC 250 is configured as a 4G/5G integrated type, it is advantageous in terms of synchronization between 4G/5G circuits, as well as the advantage that control signaling by the modem 270 can be simplified.
  • the RFIC 250 when configured as a 4G/5G separate type, it may be referred to as a 4G RFIC and a 5G RFIC, respectively.
  • the RFIC 250 when the difference between the 5G band and the 4G band is large, such as when the 5G band is configured as a millimeter wave band, the RFIC 250 may be configured as a 4G/5G separate type.
  • the RFIC 250 when the RFIC 250 is configured as a 4G/5G separate type, there is an advantage that RF characteristics can be optimized for each of the 4G band and the 5G band.
  • the RFIC 250 is configured as a 4G/5G separate type, the 4G RFIC and the 5G RFIC are logically and functionally separated, and it is also possible to be physically implemented on a single chip.
  • the application processor (AP, 280) is configured to control the operation of each component of the electronic device. Specifically, the application processor (AP) 280 may control the operation of each component of the electronic device through the modem 270 .
  • the modem 270 may be controlled through a power management IC (PMIC) for low power operation of the electronic device. Accordingly, the modem 270 may operate the power circuits of the transmitter and the receiver in the low power mode through the RFIC 250 .
  • PMIC power management IC
  • the application processor (AP) 280 may control the RFIC 250 through the modem 270 as follows. For example, if the electronic device is in an idle mode, the RFIC via the modem 270 so that at least one of the first and second power amplifiers 210 and 220 is operated in the low power mode or turned off 250 can be controlled.
  • the application processor (AP) 280 may control the modem 270 to provide wireless communication capable of low power communication.
  • the application processor (AP) 280 may control the modem 270 to enable wireless communication with the lowest power.
  • the application processor (AP) 280 may control the modem 270 and the RFIC 250 to perform short-range communication using only the short-range communication module 113 even at sacrificing some throughput.
  • the modem 270 may be controlled to select an optimal wireless interface.
  • the application processor (AP) 280 may control the modem 270 to receive through both the 4G base station and the 5G base station according to the remaining battery level and available radio resource information.
  • the application processor (AP) 280 may receive the remaining battery level information from the PMIC and the available radio resource information from the modem 270 . Accordingly, if the battery level and available radio resources are sufficient, the application processor (AP) 280 may control the modem 270 and the RFIC 250 to receive through both the 4G base station and the 5G base station.
  • the multi-transceiving system of FIG. 3B may integrate the transmitter and receiver of each radio system into one transceiver. Accordingly, there is an advantage that a circuit part integrating two types of system signals in the RF front-end can be removed.
  • the front-end components can be controlled by the integrated transceiver, the front-end components can be more efficiently integrated than when the transmission/reception system is separated for each communication system.
  • the multi-transmission/reception system as shown in FIG. 3B has an advantage in that it is possible to control other communication systems as necessary, and thus system delay can be minimized, so that efficient resource allocation is possible.
  • the first power amplifier 210 and the second power amplifier 220 may operate in at least one of the first and second communication systems.
  • the first and second power amplifiers 210 and 220 may operate in both the first and second communication systems.
  • one of the first and second power amplifiers 210 and 220 operates in the 4G band, and the other operates in the millimeter wave band. have.
  • 4x4 MIMO can be implemented using four antennas as shown in FIG. 3B.
  • 4x4 DL MIMO may be performed through the downlink (DL).
  • the first to fourth antennas ANT1 to ANT4 may be configured to operate in both the 4G band and the 5G band.
  • the 5G band is a millimeter wave (mmWave) band
  • the first to fourth antennas ANT1 to ANT4 may be configured to operate in any one of the 4G band and the 5G band.
  • each of a plurality of separate antennas may be configured as an array antenna in the millimeter wave band.
  • 2x2 MIMO implementation is possible using two antennas connected to the first power amplifier 210 and the second power amplifier 220 among the four antennas.
  • 2x2 UL MIMO (2 Tx) may be performed through the uplink (UL).
  • the 5G communication system is implemented as 1 Tx
  • only one of the first and second power amplifiers 210 and 220 may operate in the 5G band.
  • an additional power amplifier operating in the 5G band may be further provided.
  • a transmission signal may be branched in each of one or two transmission paths, and the branched transmission signal may be connected to a plurality of antennas.
  • a switch-type splitter or a power divider is built inside the RFIC corresponding to the RFIC 250, there is no need for a separate component to be disposed outside, thereby improving component mountability.
  • TX transmitter
  • SPDT single pole double throw
  • the electronic device operable in a plurality of wireless communication systems may further include a duplexer 231 , a filter 232 , and a switch 233 .
  • the duplexer 231 is configured to mutually separate signals of a transmission band and a reception band. At this time, the signals of the transmission band transmitted through the first and second power amplifiers 210 and 220 are applied to the antennas ANT1 and ANT4 through the first output port of the duplexer 231 . On the other hand, signals of the reception band received through the antennas ANT1 and ANT4 are received by the low noise amplifiers 261 and 264 through the second output port of the duplexer 231 .
  • the filter 232 may be configured to pass a signal of a transmission band or a reception band and block a signal of the remaining band.
  • the filter 232 may include a transmit filter connected to a first output port of the duplexer 231 and a receive filter connected to a second output port of the duplexer 231 .
  • the filter 232 may be configured to pass only a signal of a transmission band or only a signal of a reception band according to the control signal.
  • the switch 233 is configured to transmit either only a transmit signal or a receive signal.
  • the switch 233 may be configured in a single pole double throw (SPDT) type to separate a transmission signal and a reception signal in a time division multiplexing (TDD) method.
  • the transmission signal and the reception signal are signals of the same frequency band, and accordingly, the duplexer 231 may be implemented in the form of a circulator.
  • the switch 233 is also applicable to a frequency division multiplexing (FDD: Time Division Duplex) scheme.
  • FDD Fre Division Duplex
  • the switch 233 may be configured in a double pole double throw (DPDT) type to connect or block a transmission signal and a reception signal, respectively.
  • DPDT double pole double throw
  • the electronic device may further include a modem 270 corresponding to the control unit.
  • the RFIC 250 and the modem 270 may be referred to as a first controller (or first processor) and a second controller (second processor), respectively.
  • the RFIC 250 and the modem 270 may be implemented as physically separate circuits.
  • the RFIC 250 and the modem 270 may be physically or logically divided into one circuit.
  • the modem 270 may control and process signals for transmission and reception of signals through different communication systems through the RFIC 250 .
  • the modem 270 may be obtained through control information received from the 4G base station and/or the 5G base station.
  • the control information may be received through a physical downlink control channel (PDCCH), but is not limited thereto.
  • PDCCH physical downlink control channel
  • the modem 270 may control the RFIC 250 to transmit and/or receive signals via the first communication system and/or the second communication system in a specific time and frequency resource. Accordingly, the RFIC 250 may control transmission circuits including the first and second power amplifiers 210 and 220 to transmit a 4G signal or a 5G signal in a specific time period. Also, the RFIC 250 may control receiving circuits including the first to fourth low noise amplifiers 261 to 264 to receive a 4G signal or a 5G signal in a specific time period.
  • the 5G frequency band may be a Sub6 band.
  • FIG. 4A is a combined configuration diagram in which a plurality of antennas and transceiver circuits are operable with a processor according to an embodiment.
  • FIG. 4B is a configuration diagram in which antennas and transceiver circuits are additionally operable with a processor in the configuration diagram of FIG. 4A .
  • FIGS. 4A and 4B it may include a plurality of antennas ANT1 to ANT4 and front-end modules FEM1 to FEM7 operating in a 4G band and/or a 5G band.
  • a plurality of switches SW1 to SW6 may be disposed between the plurality of antennas ANT1 to ANT4 and the front end modules FEM1 to FEM7 .
  • FIGS. 4A and 4B it may include a plurality of antennas ANT5 to ANT8 and front-end modules FEM8 to FEM11 operating in a 4G band and/or a 5G band.
  • a plurality of switches SW7 to SW10 may be disposed between the plurality of antennas ANT1 to ANT4 and the front end modules FEM8 to FEM11 .
  • a plurality of signals that may be branched through the plurality of antennas ANT1 to ANT8 may be transmitted to the input of the front end modules FEM1 to FEM11 or the plurality of switches SW1 to SW10 through one or more filters.
  • the first antenna ANT1 may be configured to receive a signal in a 5G band.
  • the first antenna ANT1 may be configured to receive the second signal of the second band B2 and the third signal of the third band B3 .
  • the second band B2 may be an n77 band
  • the third band B3 may be an n79 band, but the limitation thereto may be changed according to an application.
  • the first antenna ANT1 may operate as a transmitting antenna in addition to a receiving antenna.
  • the first switch SW1 may be configured as an SP2T switch or an SP3T switch. When implemented as an SP3T switch, one output port can be used as a test port. Meanwhile, the first and second output ports of the first switch SW1 may be connected to the input of the first front end module FEM1 .
  • the second antenna ANT2 may be configured to transmit and/or receive signals in a 4G band and/or a 5G band.
  • the second antenna ANT2 may be configured to transmit/receive the first signal of the first band B1.
  • the first band B1 may be an n41 band, but the limitation thereto may be changed according to an application.
  • the second antenna ANT2 may operate in the low band LB.
  • the second antenna ANT2 may be configured to operate in a medium band (MB) and/or a high band (HB).
  • MB medium band
  • HB high band
  • MHB middle band
  • MHB high band
  • a first output of the first filter bank FB1 connected to the second antenna ANT2 may be connected to the second switch SW2 .
  • the second output of the first filter bank FB1 connected to the second antenna ANT2 may be connected to the third switch SW3 .
  • the third output of the first filter bank FB1 connected to the second antenna ANT2 may be connected to the fourth switch SW4 .
  • the output of the second switch SW2 may be connected to the input of the second front end module FEM2 operating in the LB band.
  • the second output of the third switch SW3 may be connected to the input of the third front end module FEM3 operating in the MHB band.
  • the first output of the third switch SW3 may be connected to the input of the fourth front end module FEM4 operating in the 5G first band B1 .
  • the third output of the third switch SW3 may be connected to an input of the fifth front-end module FEM5 operating in the MHB band operating in the 5G first band B1.
  • the first output of the fourth switch SW4 may be connected to the input of the third switch SW3 .
  • the second output of the fourth switch SW4 may be connected to the input of the third front end module FEM3 .
  • the third output of the fourth switch SW4 may be connected to the input of the fifth front end module FEM5 .
  • the third antenna ANT3 may be configured to transmit and/or receive signals in the LB band and/or the MHB band.
  • a first output of the second filter bank FB2 connected to the second antenna ANT2 may be connected to an input of the fifth front end module FEM5 operating in the MHB band.
  • the second output of the second filter bank FB2 connected to the second antenna ANT2 may be connected to the fifth switch SW5 .
  • the output of the fifth switch SW5 may be connected to the input of the sixth front end module FEM6 operating in the LB band.
  • the fourth antenna ANT4 may be configured to transmit and/or receive a signal in a 5G band.
  • the fourth antenna ANT4 may be configured to perform frequency multiplexing (FDM) on the second band B2 as the transmission band and the third band B3 as the reception band.
  • FDM frequency multiplexing
  • the second band B2 may be an n77 band
  • the third band B3 may be an n79 band, but the limitation thereto may be changed according to an application.
  • the fourth antenna ANT4 may be connected to the sixth switch SW6 , and one output of the sixth switch SW6 may be connected to the receiving port of the seventh front end module FEM7 . Meanwhile, the other one of the outputs of the sixth switch SW6 may be connected to a transmission port of the seventh front end module FEM7 .
  • the fifth antenna ANT5 may be configured to transmit and/or receive signals in a WiFi band.
  • the fifth antenna ANT5 may be configured to transmit and/or receive a signal in the MHB band.
  • the fifth antenna ANT5 may be connected to the third filter bank FB3 , and the first output of the third filter bank FB3 may be connected to the first WiFi module WiFi FEM1 . Meanwhile, the second output of the third filter bank FB3 may be connected to the fourth filter bank FB5. In addition, the first output of the fourth filter bank (FB5) may be connected to the first WiFi module (WiFi FEM1). Meanwhile, the second output of the fourth filter bank FB5 may be connected to the eighth front-end module FEM8 operating in the MHB band through the seventh switch SW7 . Accordingly, the fifth antenna ANT5 may be configured to receive the WiFi band and 4G/5G band signals.
  • the sixth antenna ANT6 may be configured to transmit and/or receive signals in a WiFi band.
  • the sixth antenna ANT6 may be configured to transmit and/or receive a signal in the MHB band.
  • the sixth antenna ANT6 may be connected to the fifth filter bank FB5 , and the first output of the fifth filter bank FB5 may be connected to the second WiFi module WiFi FEM2 . Meanwhile, a second output of the fifth filter bank FB5 may be connected to the sixth filter bank FB6 .
  • the first output of the sixth filter bank (FB5) may be connected to the second WiFi module (WiFi FEM2). Meanwhile, the second output of the sixth filter bank FB5 may be connected to the ninth front-end module FEM9 operating in the MHB band through the eighth switch SW8. Accordingly, the sixth antenna ANT6 may be configured to receive the WiFi band and 4G/5G band signals.
  • the baseband processor that is, the modem 270, performs multiple input/output (MIMO) or diversity in the MHB band.
  • An antenna and transceiver circuit (RFIC) 250 ) can be controlled.
  • the adjacent second antenna ANT2 and the third antenna ANT3 may be used in the diversity mode for transmitting and/or receiving the same information as the first signal and the second signal.
  • antennas disposed on different sides may be used.
  • the baseband processor 1400 may perform MIMO through the second antenna ANT2 and the fifth antenna ANT5.
  • the baseband processor, that is, the modem 270 may perform MIMO through the second antenna ANT2 and the sixth antenna ANT6 .
  • the seventh antenna ANT7 may be configured to receive a signal in a 5G band.
  • the seventh antenna ANT7 may be configured to receive the second signal of the second band B2 and the third signal of the third band B3 .
  • the second band B2 may be an n77 band
  • the third band B3 may be an n79 band, but the limitation thereto may be changed according to an application.
  • the seventh antenna ANT7 may operate as a transmit antenna in addition to a receive antenna.
  • the ninth switch SW9 may be configured as an SP2T switch or an SP3T switch. When implemented as an SP3T switch, one output port can be used as a test port. Meanwhile, the first and second output ports of the ninth switch SW9 may be connected to an input of the tenth front end module FEM10 .
  • the eighth antenna ANT8 may be configured to transmit and/or receive signals in a 4G band and/or a 5G band.
  • the eighth antenna ANT8 may be configured to transmit/receive a signal of the second band B2.
  • the eighth antenna ANT8 may be configured to transmit/receive a signal of the third band B2.
  • the second band B2 may be an n77 band
  • the third band B3 may be an n79 band, but the limitation thereto may be changed according to an application.
  • the eighth antenna ANT8 may be connected to the eleventh front end module FEM11 through the tenth switch SW10.
  • the plurality of antennas ANT1 to ANT8 may be connected to an impedance matching circuit MC1 to MC8 to operate in a plurality of bands.
  • the variable element may be a variable capacitor configured to change the capacitance by varying the voltage.
  • the two or more variable elements may be two or more variable capacitors or a combination of a variable inductor and a variable capacitor.
  • the baseband processor 270 may perform MIMO through at least one of a second band B2 and a third band B3 among 5G bands.
  • the baseband processor 270 may be configured to operate via two or more of the first antenna ANT1 , the fourth antenna ANT4 , the seventh antenna ANT7 , and the eighth antenna ANT8 in the second band B2 . MIMO can be performed.
  • the baseband processor 270 performs MIMO through at least two of the first antenna ANT1, the fourth antenna ANT4, the seventh antenna ANT7, and the eighth antenna ANT8 in the third band B3. can be done Accordingly, the baseband processor 270 may control the plurality of antennas and the transceiver circuit 250 to support MIMO up to 4RX as well as 2RX in the 5G band.
  • the application program operating in the electronic device described in this specification may be driven in association with a user space, a kernel space, and hardware.
  • the program module 410 may include a kernel 420 , middleware 430 , an API 450 , a framework/library 460 and/or an application 470 . At least a portion of the program module 410 may be pre-loaded on an electronic device or downloaded from an external device or a server.
  • the kernel 420 may include a system resource manager 421 and/or a device driver 423 .
  • the system resource manager 421 may control, allocate, or recover system resources.
  • the system resource manager 421 may include a process manager, a memory manager, or a file system manager.
  • the device driver 423 may include a display driver, a camera driver, a Bluetooth driver, a shared memory driver, a USB driver, a keypad driver, a WiFi driver, an audio driver, or an inter-process communication (IPC) driver.
  • the middleware 430 provides, for example, functions commonly required by the applications 470 or provides various functions through the API 460 so that the applications 470 can use limited system resources inside the electronic device. It may be provided as an application 470 .
  • the middleware 430 includes a runtime library 425 , an application manager 431 , a window manager 432 , a multimedia manager 433 , a resource manager 434 , a power manager 435 , a database manager 436 , a package manager ( 437 ), connectivity manager 438 , notification manager 439 , location manager 440 , graphic manager 441 , security manager 442 , content manager 443 , service manager 444 or an external device manager It may include at least one of (445).
  • the framework/library 450 may include a general-purpose framework/library 451 and a special-purpose framework/library 452 .
  • the general-purpose framework/library 451 and the special-purpose framework/library 452 may be referred to as a first framework/library 451 and a second framework/library 452 , respectively.
  • the first framework/library 451 and the second framework/library 452 may interface with the kernel space and hardware through the first API 461 and the second API 462, respectively.
  • the second framework/library 452 may be an example software architecture that may modularize artificial intelligence (AI) functions.
  • SoC System on Chip
  • CPU 422, DSP 424, GPU 426, and/or NPU 428 to support operations during runtime operation of the application 470 .
  • Application 470 may include, for example, home 471 , dialer 472 , SMS/MMS 473 , instant message (IM) 474 , browser 475 , camera 476 , alarm 477 . , Contact (478), Voice Dial (479), Email (480), Calendar (481), Media Player (482), Album (483), Watch (484), Payment (485), Accessory Management (486) ), health care, or environmental information providing applications.
  • the AI application may be configured to call functions defined in user space that may provide detection and recognition of a scene indicating the location in which the electronic device is currently operating.
  • the AI application may configure the microphone and camera differently depending on whether the recognized scene is an indoor space or an outdoor space.
  • the AI application may make a request for compiled program code associated with a library defined in the Scene Detect application programming interface (API) to provide an estimate of the current scene. Such a request may rely on the output of a deep neural network configured to provide scene estimates based on video and positioning data.
  • API Scene Detect application programming interface
  • the framework/library 462 which may be compiled code of the Runtime Framework, may be further accessible by the AI application.
  • the AI application may cause the runtime framework engine to request a scene estimate at specific time intervals, or triggered by an event detected by the application's user interface.
  • the runtime engine may then send a signal to an operating system such as a Linux Kernel running on the SoC.
  • the operating system may cause the operation to be performed on the CPU 422 , DSP 424 , GPU 426 , NPU 428 , or some combination thereof.
  • the CPU 422 may be accessed directly by the operating system, and other processing blocks may be accessed through a driver, such as the DSP 424 , the GPU 426 , or the driver 414 - 418 for the NPU 428 .
  • a driver such as the DSP 424 , the GPU 426 , or the driver 414 - 418 for the NPU 428 .
  • deep neural networks and AI algorithms may be configured to run on a combination of processing blocks, such as CPU 422 and GPU 426 , or AI algorithms, such as deep neural networks, may be configured to run on NPU 428 . may be executed.
  • the AI algorithm performed through the special-purpose framework/library as described above may be performed only by an electronic device or may be performed by a server supported scheme.
  • the electronic device may receive and transmit information related to the AI server and AI processing through the 4G/5G communication system.
  • a Next Generation Radio Access Network (NG-RAN) 600 is a Random Access (NG-RA) user plane (new sublayer/PDCP/RLC/MAC/PHY) and a control plane for User Equipment (UE).
  • RRC consists of gNBs 310 that provide protocol termination.
  • the gNBs 610 are interconnected via an Xn interface 612 .
  • the gNB 610 is also connected to a Next Generation Core (NGC) 620 through an NG interface. More specifically, the gNB 610 is connected to an Access and Mobility Management Function (AMF) 631 through an N2 interface and a User Plane Function (UPF) 632 through an N3 interface.
  • NNC Next Generation Core
  • AMF Access and Mobility Management Function
  • UPF User Plane Function
  • the NG-C interface 621 may mean a control plane interface between the NG-RAN 600 and the NGC 620 .
  • the NG-U interface 622 may mean a user plane interface between the NG-RAN 600 and the NGC 620 .
  • interface management and error handling eg setting, reset, component removal, update
  • connected mode and mobility management handover procedure, sequence number and state management, terminal context recovery
  • RAN paging support functions related to dual connectivity (addition, reset, and release modification of secondary nodes)
  • functions related to data transfer or data flow control may be performed in the user plane.
  • FIG. 6B illustrates a block diagram of a wireless communication system to which the methods proposed in the present specification can be applied.
  • the wireless communication system includes a first communication device 650 and/or a second communication device 660 .
  • 'A and/or B' may be interpreted as having the same meaning as 'including at least one of A or B'.
  • the first communication device may represent the base station and the second communication device may represent the terminal (or the first communication device may represent the terminal and the second communication device may represent the base station).
  • Base station is a fixed station (fixed station), Node B, evolved-NodeB (eNB), gNB (Next Generation NodeB), BTS (base transceiver system), access point (AP: Access Point), gNB (general) NB), 5G system, network, AI system, RSU (road side unit), may be replaced by terms such as robot.
  • the terminal may be fixed or have mobility
  • UE User Equipment
  • MS Mobile Station
  • UT user terminal
  • MSS Mobile Subscriber Station
  • SS Subscriber Station
  • AMS Advanced Mobile
  • WT Wireless terminal
  • MTC Machine-Type Communication
  • M2M Machine-to-Machine
  • D2D Device-to-Device
  • vehicle robot
  • AI module may be replaced by terms such as
  • the first communication device 650 and the second communication device 660 are a processor (processor, 651, 661), memory (memory, 654, 664), one or more Tx / Rx RF module (radio frequency module, 655, 665) , including Tx processors 652 and 662 , Rx processors 653 and 663 , and antennas 656 and 666 .
  • the processors 651 and 661 implement the above salpin functions, processes and/or methods and the functions, processes and/or methods to be described later. More specifically, in the DL (communication from the first communication device 650 to the second communication device 660 ), a higher layer packet from the core network (NGC) is provided to the processor 651 .
  • NGC core network
  • the processor 651 implements the function of the L2 layer. In the DL, the processor 651 provides multiplexing between logical channels and transport channels, radio resource allocation, to the second communication device 660 , and is responsible for signaling to the second communication device 660 .
  • a transmit (TX) processor 652 implements various signal processing functions for the L1 layer (ie, the physical layer).
  • the signal processing function facilitates forward error correction (FEC) in the second communication device 660 and includes coding and interleaving.
  • FEC forward error correction
  • the coded and modulated symbols are divided into parallel streams, each stream mapped to OFDM subcarriers, multiplexed with a reference signal (RS) in the time and/or frequency domain, and using Inverse Fast Fourier Transform (IFFT) are combined together to create a physical channel carrying a stream of time domain OFDMA symbols.
  • RS reference signal
  • IFFT Inverse Fast Fourier Transform
  • the OFDM stream is spatially precoded to generate multiple spatial streams.
  • Each spatial stream may be provided to a different antenna 656 via a separate Tx/Rx module (or transceiver, 655 ).
  • Each Tx/Rx module may modulate an RF carrier with a respective spatial stream for transmission.
  • each Tx/Rx module receives a signal via a respective antenna 666 of each Tx/Rx module 665 .
  • Each Tx/Rx module 665 recovers information modulated with an RF carrier and provides it to a receive (RX) processor 663 .
  • the RX processor 663 implements various signal processing functions of layer 1.
  • the RX processor 663 may perform spatial processing on the information to recover any spatial streams destined for the second communication device 660 . If multiple spatial streams are directed to the second communication device 660 , they may be combined into a single OFDMA symbol stream by multiple RX processors 663 .
  • the RX processor 663 transforms the OFDMA symbol stream from the time domain to the frequency domain using a Fast Fourier Transform (FFT).
  • FFT Fast Fourier Transform
  • the frequency domain signal includes a separate OFDMA symbol stream for each subcarrier of the OFDM signal.
  • the symbols and reference signal on each subcarrier are recovered and demodulated by determining the most probable signal placement points transmitted by the first communication device. These soft decisions may be based on channel estimate values.
  • the soft decisions are decoded and deinterleaved to recover the data and control signal originally transmitted by the first communication device 650 on the physical channel. Corresponding data and control signals are provided to processor 661 .
  • the UL (second communication device 660 to first communication device 650 communication) is handled in the first communication device 650 in a manner similar to that described with respect to the receiver function in the second communication device 660 .
  • Each Tx/Rx module 665 receives a signal via a respective antenna 666 .
  • Each Tx/Rx module 665 provides an RF carrier and information to the RX processor 663 .
  • the processor 661 may be associated with a memory 664 that stores program code and data. Memory 664 may be referred to as a computer-readable medium.
  • a 5G wireless communication system that is, 5G new radio access technology (NR) may be provided.
  • NR 5G new radio access technology
  • massive MTC Machine Type Communications
  • Mmtc massive MTC
  • URLLC Ultra-Reliable and Low Latency Communication
  • a new RAT system including NR uses an OFDM transmission scheme or a similar transmission scheme.
  • the new RAT system may follow OFDM parameters different from those of LTE.
  • the new RAT system may follow the existing numerology of LTE/LTE-A, but may have a larger system bandwidth (eg, 100 MHz).
  • one cell may support a plurality of numerologies. That is, electronic devices operating with different numerology can coexist in one cell.
  • FIG. 4A shows an example of a frame structure in NR.
  • FIG. 4B shows a change in slot length according to a change in subcarrier spacing in NR.
  • An NR system can support multiple numerologies.
  • the numerology may be defined by a subcarrier spacing and a cyclic prefix (CP) overhead.
  • CP cyclic prefix
  • a plurality of subcarrier spacings may be derived by scaling the basic subcarrier spacing by an integer N (or, ).
  • N or, a number of subcarrier spacings
  • the numerology used can be selected independently of the frequency band.
  • various frame structures according to a number of numerologies may be supported.
  • OFDM Orthogonal Frequency Division Multiplexing
  • Cyclic prefix 0 15 Normal One 30 Normal 2 60 Normal, Extended 3 120 Normal 4 240 Normal
  • NR supports multiple numerology (or subcarrier spacing (SCS)) to support various 5G services. For example, when SCS is 15kHz, it supports a wide area in traditional cellular bands, and when SCS is 30kHz/60kHz, dense-urban, lower latency and a wider carrier bandwidth, and when the SCS is 60 kHz or higher, a bandwidth greater than 24.25 GHz to overcome phase noise.
  • SCS subcarrier spacing
  • the NR frequency band is defined as a frequency range of two types (FR1, FR2).
  • FR1 is the sub 6GHz range
  • FR2 is the above 6GHz range, which may mean a millimeter wave (mmW).
  • mmW millimeter wave
  • Table 2 below shows the definition of the NR frequency band.
  • the sizes of various fields in the time domain are expressed as multiples of a specific time unit.
  • 7A is an example of SCS of 60 kHz, and one subframe may include four slots.
  • One subframe ⁇ 1,2,4 ⁇ slots shown in FIG. 7A is an example, and the number of slot(s) that may be included in one subframe may be one, two, or four.
  • a mini-slot may contain 2, 4 or 7 symbols, or may contain more or fewer symbols.
  • each subcarrier interval is extended by a power of 2, and the symbol length is reduced in inverse proportion to this.
  • subcarrier spacings of 15 kHz, 30 kHz and 60 kHz are available depending on the frequency band/bandwidth.
  • 60 kHz and 120 kHz can be used for the data channel, and 240 kHz can be used for the synchronization signal.
  • a basic unit of scheduling is defined as a slot, and the number of OFDM symbols included in one slot may be limited to 14 as shown in FIG. 7A or 7B regardless of subcarrier spacing.
  • FIG. 7B when a wide subcarrier interval is used, the length of one slot is shortened in inverse proportion to reduce transmission delay in a radio section.
  • uRLLC ultra reliable low latency communication
  • scheduling in units of minislots eg, 2, 4, 7 symbols
  • the slots in 5G NR described herein may be provided at the same interval as the slots of 4G LTE or may be provided as slots of various sizes.
  • the slot interval in 5G NR may be configured as 0.5 ms, which is the same as the slot interval of 4G LTE.
  • the slot interval in 5G NR may be configured as 0.25 ms, which is a narrower interval than the slot interval of 4G LTE.
  • the 4G communication system and the 5G communication system may be referred to as a first communication system and a second communication system, respectively.
  • the first signal (first information) of the first communication system may be a signal (information) in a 5G NR frame with a slot interval scalable to 0.25 ms, 0.5 ms, or the like.
  • the second signal (second information) of the second communication system may be a signal (information) in a 4G LTE frame with a fixed slot interval of 0.5 ms.
  • the first signal of the first communication system may be transmitted and/or received through a maximum bandwidth of 20 MHz.
  • the second signal of the second communication system may be transmitted and/or received through a variable channel bandwidth from 5 MHz to 400 MHz.
  • the first signal of the first communication system may be FFT-processed with a single sub-carrier spacing (Sub-Carrier Spacing, SCS) of 15 KHz.
  • SCS Sub-Carrier Spacing
  • the second signal of the second communication system may be FFT-processed at subcarrier intervals of 15 kHz, 30 kHz, and 60 kHz according to the frequency band/bandwidth.
  • the second signal of the second communication system may be modulated and frequency-converted to the FR1 band and transmitted through the 5G Sub6 antenna.
  • the FR1 band signal received through the 5G Sub6 antenna may be frequency-converted and demodulated.
  • the second signal of the second communication system may be IFFT-processed at subcarrier intervals of 15 kHz, 30 kHz, and 60 kHz according to the frequency band/bandwidth.
  • the second signal of the second communication system may be FFT-processed at subcarrier intervals of 60 kHz, 120 kHz, and 240 kHz according to frequency band/bandwidth and data/synchronization channel.
  • the second signal of the second communication system may be modulated to the FR2 band and transmitted through the 5G mmWave antenna.
  • the FR2 band signal received through the 5G mmWave antenna can be frequency-converted and demodulated.
  • the second signal of the second communication system may be IFFT-processed through subcarrier intervals of 60 kHz, 120 kHz, and 240 kHz according to frequency band/bandwidth and data/synchronization channel.
  • 5G NR symbol-level temporal alignment can be used for transmission schemes using various slot lengths, mini-slots, and different subcarrier spacings. Accordingly, it provides flexibility for efficiently multiplexing various communication services such as enhancement mobile broadband (eMBB) and ultra reliable low latency communication (uRLLC) in the time domain and frequency domain.
  • eMBB enhancement mobile broadband
  • uRLLC ultra reliable low latency communication
  • 5G NR may define uplink/downlink resource allocation at a symbol level within one slot as shown in FIG. 3B .
  • HARQ hybrid automatic repeat request
  • a slot structure capable of transmitting HARQ ACK/NACK directly within a transmission slot may be defined. Such a slot structure may be referred to as a self-contained structure.
  • 5G NR can support a common frame structure constituting an FDD or TDD frame through a combination of various slots. Accordingly, the transmission direction of an individual cell can be freely and dynamically adjusted according to traffic characteristics by introducing a dynamic TDD scheme.
  • the resource structure of the time domain and the frequency domain may define an NR resource grid as shown in FIG. 8A .
  • the resource grid may be changed as the number of available subcarriers and OFDM symbols varies. That is, with respect to each numerology and carrier, NR is a value obtained by multiplying the maximum number of resource blocks per subcarrier interval by the number of subcarriers per resource block, and a value determined by the number of OFDM symbols per subframe as the length.
  • a resource grid can be defined.
  • NR may implement a flexible slot structure.
  • all slots may be allocated as DL (DownLink) and all UL (UploadLink) slots.
  • DL control occurs at the beginning of the slot
  • UL control may occur at the end, statically configure the mixed DL/UL slot as in LTE DL/UL TDD configuration or dynamically change the allocation of DL/UL mix can Thus, efficiency and scheduling can be improved depending on traffic requirements.
  • the electronic device 100 described herein may maintain a connection state with a 4G base station (eNB) and a 5G base station (eNB) through the 4G wireless communication module 111 and/or the 5G wireless communication module 112 .
  • FIG. 9 shows a configuration in which the electronic device 100 is interfaced with a plurality of base stations or network entities according to an embodiment.
  • 4G/5G deployment options are shown.
  • multi-RAT of 4G LTE and 5G NR when multi-RAT of 4G LTE and 5G NR is supported and in non-standalone (NSA) mode, it can be implemented as EN-DC of option 3 or NGEN-DC of option 5.
  • NSA non-standalone
  • multi-RAT when multi-RAT is supported and in standalone (SA) mode, it may be implemented as NE-DC of option 4.
  • SA standalone
  • NR-DC of option 2 when single RAT is supported and in standalone (SA) mode, it may be implemented as NR-DC of option 2.
  • the eNB is a 4G base station, also called an LTE eNB, and is based on the Rel-8 - Rel-14 standard.
  • ng-eNB is an eNB capable of interworking with 5GC and gNB, also called eLTE eNB, and is based on the Rel-15 standard.
  • gNB is a 5G base station interworking with 5G NR and 5GC, also called NR gNB, and is based on the Rel-15 standard.
  • en-gNB is a gNB capable of interworking with EPC and eNB, also called NR gNB, and is based on the Rel-15 standard.
  • option 3 indicates E-UTRA-NR Dual Connectivity (EN-DC).
  • option 7 indicates NG-RAN E-UTRA-NR Dual Connectivity (NGEN-DC).
  • option 4 indicates NR-E-UTRA Dual Connectivity (NE-DC).
  • option 2 indicates NR-NR Dual Connectivity (NR-DC).
  • the technical characteristics of the dual connection according to option 2 to option 7 are as follows.
  • Independent 5G service can be provided only with 5G system (5GC, gNB).
  • 5GC 5G system
  • 5G system 5GC, gNB
  • eMBB enhanced Mobile Broadband
  • URLLC Ultra-Reliable Low-Latency Communication
  • mMTC Massive Machine Type Communication
  • 5G full service can be provided. Initially, due to coverage limitations, it can be used as an overlay network or for a hot spot, enterprise use, and EPC-5GC interworking is required if it is out of 5G NR coverage.
  • 5G NR full coverage may be provided, and dual connectivity (NR-DC) between gNBs may be supported using multiple 5G frequencies.
  • NR-DC dual connectivity
  • gNB When only gNB is introduced into the existing LTE infrastructure. Core is EPC and gNB is an en-gNB capable of interworking with EPC and eNB. Dual connectivity (EN-DC) is supported between the eNB and the en-gNB, and the master node is the eNB.
  • the eNB which is the control anchor of the en-gNB, processes control signaling for network access, connection establishment, handover, etc. of the UE, and user traffic may be delivered through the eNB and/or en-gNB.
  • This option is mainly applied in the first stage of 5G migration, as operators operating nationwide LTE networks can quickly build 5G networks with the introduction of en-gNB and minimal LTE upgrades without 5GC.
  • Option 3 There are 3 types of Option 3, Option 3/3a/3x depending on the user traffic split method. Bearer split is applied to Option 3/3x and Option 3a is not applied. The main method is Option 3x.
  • eNB Only the eNB is connected to the EPC and the en-gNB is only connected to the eNB. User traffic is split in the master node (eNB) and can be transmitted simultaneously to LTE and NR.
  • eNB master node
  • Both the eNB and the gNB are connected to the EPC, and user traffic is delivered directly from the EPC to the gNB.
  • User traffic is transmitted in LTE or NR.
  • Option 3 and Option 3a are combined.
  • the difference from Option 3 is that user traffic is split at the secondary node (gNB).
  • Option 3 The advantages of Option 3 are i) that LTE can be used as a capacity booster for eMBB service, and ii) that the terminal is always connected to LTE, so even if it goes out of 5G coverage or the NR quality is deteriorated, service continuity is provided through LTE and stable Communication may be provided.
  • 5GC is introduced and it is still linked with LTE, but independent 5G communication is possible.
  • the core is 5GC and the eNB is an ng-eNB capable of interworking with 5GC and gNB.
  • Dual connectivity (NE-DC) is supported between the ng-eNB and the gNB, and the master node is the gNB.
  • NE-DC Dual connectivity
  • LTE can be used as a capacity booster.
  • the main method is Option 4a.
  • 5GC is introduced and still works with LTE, so 5G communication depends on LTE.
  • the core is 5GC and the eNB is an ng-eNB capable of interworking with 5GC and gNB. Dual connectivity (NGEN-DC) is supported between ng-eNB and gNB, and the master node is the eNB.
  • 5GC characteristics can be used, and service continuity can still be provided with the eNB as the master node, as in Option 3, when 5G coverage is not yet sufficient.
  • the main method is Option 7x.
  • the electronic device may be connected to a network according to a plurality of different communication methods at the same time, and may receive data from the connected networks.
  • FIG. 10 shows an E-UTRA New Radio Dual Connectivity (EN-DC) structure as such an NSA structure in more detail.
  • EN-DC E-UTRA New Radio Dual Connectivity
  • the electronic device 100 may be simultaneously connected to the eNB 1000 serving as a master node and the en-gNB 1010 serving as a secondary node.
  • the eNB 1000 may create an S1-MME control connection with the MME, which is a control entity of the EPC, which is the core of the LTE system.
  • MME which is a control entity of the EPC, which is the core of the LTE system.
  • transmission and reception of NAS control messages can be relayed between the MME and the electronic device through the S1-MME control connection.
  • an RRC connection can be created with an electronic device using LTE Radio technology, and an RRC state can be managed based on the connection.
  • the en-gNB 1010 may be involved only in an additional data connection for transmitting/receiving data of a predetermined size or more, without being involved in the control connection and NAS message relay related to the EPC.
  • the electronic device 100 may first attach to the EPC through the eNB 1000 .
  • a Packet Data Network (PDN) connection and bearers may be created. And when the PDN connection and the bearer are created, the electronic device may be in an RRC-connected state with the eNB 1000 .
  • PDN Packet Data Network
  • DC use of the electronic device may be determined in consideration of the existence of the 1010 and the congestion state of the en-gNB 1010 .
  • the eNB 1000 may transmit/receive an X2-C control message to and from the en-gNB 1010 through the X2 interface.
  • a procedure of allowing some of the bearers that service data transmission/reception to the electronic device 100 to be serviced through the en-gNB 1010 with the LTE radio resource controlled by the eNB 1000 may be executed.
  • the electronic device 100 may be connected to both the eNB 1000 and the en-gNB 1010 to transmit/receive data through both LTE, that is, 4G radio resource and NR, that is, 5G radio resource.
  • FIG. 11 is a flowchart illustrating an operation process in which an electronic device related to the present invention determines a link causing heat and relieves heat on the determined link.
  • the electronic device 100 related to the present invention may be wirelessly connected to a base station through a 5G communication method.
  • the wireless connection between the base station and the electronic device 100 is an uplink for transmitting data from the electronic device 100 to the base station or a downlink for transmitting data from the base station to the electronic device 100.
  • the wireless connection between the electronic device 100 and the base station may be either an uplink or a wireless link.
  • the uplink and the downlink may be different wireless connections.
  • the electronic device 100 may be connected to a first base station for an uplink and may be connected to a second base station for a downlink.
  • the first base station or the second base station may be a plurality of base stations having different frequency bands.
  • a link path forming the uplink may be formed of a plurality of frequency bands.
  • a link path forming the downlink may also be formed with a plurality of frequency bands.
  • the electronic device 100 bundles a plurality of frequency bands forming a link path of the uplink or a plurality of frequency bands forming a link path of the downlink in a carrier aggregation (CA) method. It can be used like a single frequency with a wide bandwidth.
  • CA carrier aggregation
  • a state in which a plurality of frequency bands are bundled by the carrier aggregation may be referred to as a link path.
  • data when an uplink is formed through the link path, data may be uploaded through a plurality of frequency bands forming the link path, and when a downlink is formed, data is transmitted through a plurality of frequency bands forming the link path. can be downloaded.
  • the modem 270 of the electronic device 100 forms the formed uplink and/or downlink. may transmit and/or receive data through And it is possible to measure the temperature of the antenna module for transmitting and/or receiving the data (S1100).
  • the electronic device 100 may include at least one temperature sensor in each of the provided antenna modules.
  • the temperature sensor may be disposed in a power amplifier of each antenna module to detect a temperature of the power amplifier as a temperature of the antenna module.
  • the temperature measured in step S1100 may be the temperature of the electronic device 100 .
  • the temperature sensor may be provided in the modem 270 of the electronic device 100 or on a printed circuit board (PCB) around a position where the modem 270 is disposed.
  • the temperature detected through the modem 270 or the PCB may be detected in step S1100.
  • the modem 270 may detect whether the detected temperature is equal to or greater than a preset temperature for executing the heat alleviation operation according to an embodiment of the present invention (S1110). And when the detected temperature is equal to or greater than a preset temperature (S1111), the modem 270 may determine a link causing heat in the electronic device 100 (S1120). On the other hand, if the detected temperature is less than the preset temperature (S1112), the modem 270 may proceed to step S1100 again to detect the temperature.
  • a preset temperature for executing the heat alleviation operation according to an embodiment of the present invention (S1110). And when the detected temperature is equal to or greater than a preset temperature (S1111), the modem 270 may determine a link causing heat in the electronic device 100 (S1120). On the other hand, if the detected temperature is less than the preset temperature (S1112), the modem 270 may proceed to step S1100 again to detect the temperature.
  • the modem 270 determines that the current heat of the electronic device 100 is caused by the currently formed link. can judge However, if the electronic device 100 is wirelessly connected to at least one base station through both the uplink and the downlink, the modem 270 determines which one of the links causes heat generation in step S1120. can
  • the modem 270 may detect a transmission rate of data transmitted to the base station and a transmission rate of data received from the base station.
  • a link having a higher transmission speed may be detected, and it may be determined that the detected link is a link causing the heat.
  • the electronic device 100 related to the present invention may include a plurality of antenna modules. Accordingly, the modem 270 may transmit data to or receive data from the base station through different antenna modules. In this case, the modem 270 may detect the antenna module having a higher temperature by comparing the temperature detected from the antenna module transmitting the data with the temperature detected by the antenna module receiving the data. And it is possible to determine the link causing the heat based on the detected antenna module.
  • the electronic device 100 related to the present invention may include a temperature sensor in a power amplifier for amplifying a transmission signal.
  • the electronic device 100 may include a temperature sensor in a low-noise amplifier for amplifying a received signal.
  • the modem 270 may estimate the temperature detected from the power amplifier as an uplink temperature, and estimate the temperature detected from the low noise amplifier as a downlink temperature. And by comparing the estimated temperatures, it is possible to determine a link having a higher temperature as the link causing the heat.
  • the modem 270 determines whether the link path of the determined link is formed in a plurality of frequency bands through the carrier aggregation or is formed in a single frequency band. It can be detected whether or not (S1130).
  • the modem 270 may limit at least one frequency band forming the link path.
  • the link path may be changed so that the limited frequency band is excluded from the link path (S1150).
  • the bandwidth may then be reduced, and thus the amount of data transmitted or received over the determined link may be reduced.
  • the modem 270 may preferentially limit a frequency band using a higher frequency. For example, if the link path determined to cause heat generation is formed by combining a millimeter wave (mmWave) frequency band, a Sub-6 frequency band, and a frequency band according to the 4G communication method, the modem 270 is The link path may be changed such that the millimeter wave frequency band having the highest frequency is primarily limited.
  • mmWave millimeter wave
  • the modem 270 uses a higher Sub-6 frequency band.
  • the link path may be changed so that .
  • the link path formed of the Sub-6 frequency band and the frequency band according to the 4G communication method is the millimeter wave frequency band, the Sub-6 frequency band, and the frequency band according to the 4G communication method in a state in which the link path is formed. It may be a link path in a state where the millimeter wave frequency band is limited.
  • the modem 270 performs the millimeter wave frequency band through the change of the link path.
  • the link path may be changed so that a higher frequency band, that is, the Sub-6 frequency band, is limited again.
  • the determined link path may be formed with only one frequency band according to the 4G communication method.
  • the modem 270 changes the link path so that at least one frequency band among a plurality of frequency bands forming the link path is excluded, and the link path is transmitted to a base station wirelessly connected through the determined link. You can send a message to request a change of .
  • the link path may be changed according to the received link path change command.
  • MAC CE Control Element
  • the other link when the link path of one of the links causing heat is changed as described above, the other link, that is, the link that is not determined to cause heat, may maintain the current link path as it is. Therefore, even if the link path causing the heat is formed only with the 4G frequency band, the other link uses the link path composed of the millimeter wave frequency band, at least one of the Sub-6 frequency band, and the frequency band according to the 4G communication method as it is. can keep
  • the second link different from the first link is transmitted through the frequency band according to the 5G communication method. It can transmit or receive data.
  • the modem 270 may maintain the current state. And it may be detected whether the temperature of the electronic device 100 reaches a preset communication method switching temperature (S1140). And, as a result of the determination in step S1140, when the temperature of the electronic device 100 reaches a preset communication method switching temperature (S1141), the communication method of the electronic device 100 may be switched to another communication method (S1160) .
  • the modem 270 may switch the communication method of the electronic device 100 to the 4G communication method. That is, when the electronic device 100 reaches a preset 5G communication maintenance limit temperature due to heat of the electronic device 100 , the communication method of the electronic device 100 may fall back to the 4G communication method. As such, when the fallback to the 4G communication method is performed, the modem 270 may drop the connection with the base stations according to the 5G communication method, that is, cells, and connect wireless communication to the base station according to the 4G communication method. Accordingly, both the first link and the second link may be connected in a 4G communication method.
  • the electronic device 100 can reduce heat by detecting a link causing heat and limiting at least one of frequency bands constituting the detected link path.
  • the at least one limited frequency band is a frequency band higher than a frequency band used in the 4G communication method, and by limiting transmission or reception of a high frequency, a heating effect may be further increased.
  • the electronic device 100 may be divided into a Non Stand Alone (NSA) method and a Stand Alone (SA) method depending on the frequency band used, and the NSA method is a normal case (other than a fallback situation), Both the 4G frequency band and the 5G frequency band may be used, and the SA method may mean an electronic device using the 5G frequency band.
  • the 5G frequency band includes both the mmWave frequency band and the Sub-6 frequency band, the NSA-type electronic device may be configured in three types as shown in Table 3 below.
  • the SA type electronic device can use the mmWave frequency band and the Sub-6 frequency band.
  • communication may be connected to the 4G base station using the 4G frequency band through the fallback process.
  • the link paths of the links formed in the electronic device may be formed of a mmWave frequency band and a 4G frequency band, respectively.
  • the modem 270 may change the link path of the first link so that the mmWave frequency band is excluded from the link path of the link (first link) causing heat in step S1150 .
  • the link path of the first link may be formed only in the 4G frequency band.
  • the second link may maintain a state formed by the mmWave frequency band and the 4G frequency band.
  • link paths of links formed in the electronic device may be formed of a Sub-6 frequency band and a 4G frequency band, respectively.
  • the modem 270 may change the link path of the first link so that the Sub-6 frequency band is excluded from the link path of the first link causing heat in step S1150 .
  • the link path of the first link may be formed only in the 4G frequency band.
  • the second link may maintain a state formed of the Sub-6 frequency band and the 4G frequency band.
  • link paths of links formed in the electronic device may be formed of a mmWave frequency band, a Sub-6 frequency band, and a 4G frequency band, respectively.
  • the modem 270 selects the link path of the first link so that the mmWave frequency band is first excluded from the link path of the first link that causes heat. can be changed
  • the link path of the first link may be formed of a Sub-6 frequency band and a 4G frequency band.
  • the modem 270 in a state in which the mmWave frequency band is excluded from the first link, when the electronic device reaches a second temperature higher than the first temperature, the first link determined to cause heat generation.
  • the link path can be changed again so that it does not include the Sub-6 frequency band.
  • the link path of the first link may be formed only in the 4G frequency band.
  • the second link determined not to cause heat generation is the current link path, that is, the mmWave frequency band, the Sub-6 frequency band, and the 4G frequency.
  • the state formed as a band can be maintained as it is. That is, the modem 270 may change the link path of the link determined to cause heat generation separately from the link path of other links.
  • the modem 270 changes the link path so that frequency bands other than the 4G frequency band are sequentially limited according to the temperature in the order of frequency.
  • the operation process of step S1150 in which the frequency band is sequentially limited according to temperature will be described in more detail with reference to FIG. 13 below.
  • the modem 270 may change the link path so that a higher frequency band is limited. Therefore, in the case of the SA type electronic device using the mmWave frequency band and the Sub-6 frequency band as described above, the modem 270 sets the link path of the link determined to cause heat in step S1150 to the mmWave frequency band. You can change the band to be excluded.
  • the above-described process of FIG. 11 may be a process performed after heat relief is primarily achieved through data throttling. That is, the modem 270 suppresses heat generation of the electronic device 100 by limiting the transmission speed of data transmitted and received through data throttling primarily according to the heat generation of the electronic device 100 , and the data throttling is performed.
  • the link path of the link generating heat may be changed through the process of FIG. 11 .
  • the temperature exceeding the temperature condition at which the data throttling is performed may be the preset temperature in step S1100.
  • FIG. 12 is a flowchart illustrating a process of changing a link path so that at least one of frequency bands forming the link path is excluded during the process of FIG. 11 and a MAC (Medium Access Control) layer including the link path change request. It shows an example of control elements (CE, Control Elements).
  • CE Control Elements
  • FIG. 12A is a diagram illustrating an example in which a link path change is performed through message exchange with a base station in step S1150 of FIG. 11 .
  • the electronic device detects the temperature of the electronic device ( S1200 ), and when the detected temperature is equal to or greater than a preset temperature, it is possible to determine a link that generates heat.
  • frequency bands forming a link path of the determined link may be detected (S1210).
  • the electronic device may transmit a link path change request message for changing the link path to the base station so that at least one of the frequency bands forming the link path is excluded ( S1220 ).
  • the message transmitted from the electronic device to the base station may be a message transmitted from the MAC layer.
  • FIG. 12B illustrates a structure for transmitting control information in the MAC layer, that is, examples of MAC CE.
  • the MAC CE may include an LCID field that transmits control information for a link path change request.
  • the LCID field may be composed of a plurality of bit strings, and includes information on a frequency band to be used and link identification information for identifying whether a link path to be changed is an uplink link path or a downlink link path.
  • the base station receiving the link path change request from the electronic device in step S1210 changes the link path including information on a specific link and a frequency band to be used in the link path of the specific link in response to the received link path change request.
  • a command may be transmitted (S1230).
  • the specific link may be a link corresponding to link identification information included in the link path change request message in step S1220.
  • the electronic device 100 may form a link path of a specific link designated through the link path change command according to at least one frequency band included in the received link path change command. have. Accordingly, the link path of the link causing heat in the electronic device 100 may be changed to a link path excluding at least one frequency band.
  • FIG. 13 is a flowchart illustrating an operation process of changing a link path according to the temperature of the electronic device when the electronic device related to the present invention is an electronic device capable of using both the mmWave frequency band and the Sub-6 frequency band.
  • step S1150 of FIG. This may be a step in which the link path is changed so that the values are limited.
  • step S1150 of FIG. 11 the modem 270 may first detect the temperature of the first link determined to cause heat ( S1300 ).
  • step S1300 may be the temperature detected in step S1100 of FIG. 11 when the determination of the first link is made according to a result of comparing the upload data transmission rate and the download data transmission rate. That is, if the determination of the first link is made according to the comparison of data transmission rates, the temperature detected in step S1100 of FIG. 11 may be used again in step S1300 of FIG. 13 .
  • step S1300 may be a step of detecting the temperature of any one of the transmit antenna module or the receive antenna module.
  • the step S1300 may be a step of detecting a temperature of one of the power amplifier and the low noise amplifier having a higher temperature.
  • the modem 270 may determine whether the temperature detected in step S1300 has reached a preset first temperature ( S1310 ). In addition, if the temperature detected in step S1300 is not equal to or higher than the first temperature, the link path may be maintained as it is. However, if the temperature is higher than the first temperature, the modem 270 may change the link path of the first link so that the mmWave frequency band using the highest frequency is excluded ( S1320 ).
  • the step S1320 includes, as shown in FIG. 12 , transmitting a link path change request to the base station (S1220) and receiving a link path change command in response to the transmitted link path change request (S1230). can do. and changing the link path according to the received link path change command.
  • the modem 270 may determine whether the temperature of the electronic device 100 has reached a preset second temperature (S1330).
  • the second temperature may be a higher temperature than the first temperature.
  • step S1340 may include transmitting a link path change request to the base station and receiving a link path change command in response to the transmitted link path change request, similarly to step S1320. and changing the link path according to the received link path change command. Accordingly, the link path changed in step S1340 may be formed with only one 4G frequency band.
  • FIG. 14 is a conceptual diagram illustrating an example in which a link path is sequentially changed as described in FIG. 13 when the electronic device related to the present invention is an electronic device capable of using both the mmWave frequency band and the Sub-6 frequency band. And, Fig. 14 will be described on the assumption that the link causing the heat is the uplink.
  • the electronic device 100 is the above-described NSA type electronic device, and it is a C-type electronic device that can use the mmWave frequency band, the Sub-6 frequency band, and the 4G frequency band, in FIG.
  • the uplink link path that is, the uplink path 1400 (left side of FIG. 14) and the downlink link path, ie, the downlink path 1450 (right side of FIG. 14) may be formed.
  • the uplink path 1400 and the downlink path 1450 are mmWave according to the carrier aggregation method as shown in FIG.
  • the frequency band, the Sub-6 frequency band, and the 4G frequency band can be bundled and used together as one frequency band.
  • the modem 270 may determine whether the link causing heat of the electronic device 100 is an uplink or a downlink. In this case, according to the above assumption, the modem 270 may determine that the link causing heat is the uplink, and may change the uplink path accordingly.
  • the modem 270 has the highest frequency among the frequency bands forming the link path of the uplink determined to cause heat generation.
  • a link path change request for changing the uplink path 1400 so that the mmWave frequency band 1401 is excluded may be transmitted to the base station.
  • the uplink path 1400 may be changed to a link path formed of the Sub-6 frequency band 1402 and the 4G frequency band 1403 .
  • the link path 1450 of the downlink which is a link determined not to cause heat, regardless of the change of the uplink path 1400, the existing link path state, that is, the mmWave frequency band 1451, the sub- A state in which a link path is formed in the 6 frequency band 1452 and the 4G frequency band 1453 may be maintained as it is.
  • the electronic device 100 may upload data through the uplink path 1400 as shown in FIG. 14B and download data through the downlink path 1450 .
  • the modem 270 determines that the Sub-6 frequency band 1402, which has a higher frequency next to the excluded mmWave frequency band, from among the frequency bands forming the uplink path 1400 determined to cause heat generation, is more
  • the uplink path 1400 may be changed to be excluded.
  • the uplink path 1400 may be changed to a link path formed only by the 4G frequency band 1403 .
  • the link path 1450 of the downlink which is a link determined not to cause heat, regardless of the change of the uplink path 1400, the existing link path state, that is, the mmWave frequency band 1451, the Sub-6 frequency.
  • a state in which a link path is formed in the band 1452 and the 4G frequency band 1453 may be maintained as it is.
  • the uplink is continuously determined to cause heat of the electronic device 100 , but it is needless to say that the link causing heat may be continuously changed.
  • the modem 270 may perform the process of FIG. 11 according to a preset period, and whenever FIG. 11 is performed, a link causing heat may be newly determined.
  • the link causing heat of the electronic device 100 is determined as the uplink and the uplink path is changed, as a result of the determination of the next cycle, the link causing heat may be determined as the downlink.
  • the downlink path may also be changed not to use at least one frequency band in a similar manner to the uplink path.
  • the link path may be changed separately for each link.
  • the antenna including the processor 180 and the control method for controlling the antenna including the processor 180 and the control method thereof are provided in a computer-readable medium in which a program is recorded. It can be implemented as code.
  • the computer-readable medium includes any type of recording device in which data readable by a computer system is stored. Examples of computer-readable media include Hard Disk Drive (HDD), Solid State Disk (SSD), Silicon Disk Drive (SDD), ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage device, etc. There is also a carrier wave (eg, transmission over the Internet) that is implemented in the form of.
  • the computer may include the processor 180 of the electronic device 100 .

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

Abstract

La présente invention concerne un dispositif électronique, comprenant un modem qui : lorsqu'il est simultanément connecté à un groupe de cellules maîtresses selon un premier mode de communication et à un groupe de cellules secondaires selon un second mode de communication, si une puissance de transmission d'un premier signal de liaison montante transmise au groupe de cellules maîtresses est supérieure ou égale à une puissance de transmission maximale prédéfinie, commande une pluralité d'amplificateurs de puissance de sorte que la transmission d'un second signal de liaison montante à transmettre au groupe de cellules secondaires soit différée ; et lorsqu'un état, selon lequel la transmission du second signal de liaison montante demeure différée pendant une période de temps prédéfinie, arrête la transmission du premier signal de liaison montante pendant une certaine période de temps et transmet le second signal de liaison montante, ce qui permet de maintenir la connectivité avec le groupe de cellules secondaires même lorsque la transmission du second signal de liaison montante est différée.
PCT/KR2020/002945 2020-03-02 2020-03-02 Dispositif électronique et procédé de commande de dispositif électronique pour atténuation thermique WO2021177474A1 (fr)

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Application Number Priority Date Filing Date Title
PCT/KR2020/002945 WO2021177474A1 (fr) 2020-03-02 2020-03-02 Dispositif électronique et procédé de commande de dispositif électronique pour atténuation thermique

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PCT/KR2020/002945 WO2021177474A1 (fr) 2020-03-02 2020-03-02 Dispositif électronique et procédé de commande de dispositif électronique pour atténuation thermique

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6177861B1 (en) * 1998-07-17 2001-01-23 Lucent Technologies, Inc System for short range wireless data communication to inexpensive endpoints
WO2004042960A2 (fr) * 2002-10-31 2004-05-21 Motorola, Inc., A Corporation Of The State Of Delaware Procede et station mobile permettant de controler les communications via une liaison radio
JP2008244603A (ja) * 2007-03-26 2008-10-09 Sony Ericsson Mobilecommunications Japan Inc 無線通信端末及び無線通信方法
KR20110016452A (ko) * 2008-05-23 2011-02-17 콸콤 인코포레이티드 데이터 모듈들을 위한 열 관리
WO2019028714A1 (fr) * 2017-08-09 2019-02-14 北京小米移动软件有限公司 Procédé de protection contre la surchauffe pour équipement utilisateur, dispositif, équipement utilisateur et station de base

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6177861B1 (en) * 1998-07-17 2001-01-23 Lucent Technologies, Inc System for short range wireless data communication to inexpensive endpoints
WO2004042960A2 (fr) * 2002-10-31 2004-05-21 Motorola, Inc., A Corporation Of The State Of Delaware Procede et station mobile permettant de controler les communications via une liaison radio
JP2008244603A (ja) * 2007-03-26 2008-10-09 Sony Ericsson Mobilecommunications Japan Inc 無線通信端末及び無線通信方法
KR20110016452A (ko) * 2008-05-23 2011-02-17 콸콤 인코포레이티드 데이터 모듈들을 위한 열 관리
WO2019028714A1 (fr) * 2017-08-09 2019-02-14 北京小米移动软件有限公司 Procédé de protection contre la surchauffe pour équipement utilisateur, dispositif, équipement utilisateur et station de base

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