WO2022220424A1 - Dispositif électronique fournissant un point d'accès sans fil mobile et son procédé de fonctionnement - Google Patents

Dispositif électronique fournissant un point d'accès sans fil mobile et son procédé de fonctionnement Download PDF

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Publication number
WO2022220424A1
WO2022220424A1 PCT/KR2022/003970 KR2022003970W WO2022220424A1 WO 2022220424 A1 WO2022220424 A1 WO 2022220424A1 KR 2022003970 W KR2022003970 W KR 2022003970W WO 2022220424 A1 WO2022220424 A1 WO 2022220424A1
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WIPO (PCT)
Prior art keywords
electronic device
frequency band
external electronic
band
change event
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PCT/KR2022/003970
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English (en)
Korean (ko)
Inventor
서정국
최종민
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삼성전자주식회사
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Publication of WO2022220424A1 publication Critical patent/WO2022220424A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/02—Selection of wireless resources by user or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0096—Indication of changes in allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0457—Variable allocation of band or rate
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/51—Allocation or scheduling criteria for wireless resources based on terminal or device properties
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/005—Discovery of network devices, e.g. terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Definitions

  • Various embodiments of the present disclosure relate to an electronic device that provides a mobile hotspot for a multi-frequency band and an operating method thereof.
  • the mobile hotspot technology is a technology in which an electronic device operates as an access point (AP) to enable wireless Internet access in an external electronic device that is permitted to access the electronic device.
  • An electronic device providing a mobile hotspot supports multiple frequency bands like a general commercial wireless router according to its purpose, and most electronic devices can provide hotspots in 2.4Ghz and 5Ghz frequency bands.
  • WiFi technology develops, in addition to the conventional 2.4Ghz and 5Ghz frequency bands, wireless communication through 6Ghz, 60Ghz, and 900Mhz bands has been developed for various purposes such as performance enhancement, and introduction is being reviewed.
  • the electronic device providing the mobile hotspot is implemented to provide the mobile hotspot in only one frequency band at a time, and most The electronic device may provide a mobile hotspot from 2.4Ghz, which is most commonly used, as a basic frequency band, and may change to another frequency band such as 5Ghz by user selection.
  • an electronic device providing improved performance by automatically selecting an operating frequency band when providing a mobile hotspot may be provided.
  • An electronic device includes a communication module; a memory in which computer-executable instructions are stored; and a processor that accesses the memory and executes the instructions, wherein the electronic device operates as an access point (AP) to communicate with a first external electronic device through the communication module.
  • AP access point
  • a band change event occurs by checking a supportable frequency band of the electronic device, checking a supportable frequency band of the first external electronic device, and monitoring a state of the first external electronic device when connected to a frequency band , determine a target frequency band based on the band change event, and change a frequency band for communication with the first external electronic device from the first frequency band to the target frequency band.
  • a supportable frequency band of the electronic device is checked. action to do; checking a supportable frequency band of the first external electronic device; checking whether a band change event occurs by monitoring the state of the first external electronic device; when the band change event occurs, determining a target frequency band based on the band change event; and changing a frequency band for communication with the first external electronic device from the first frequency band to the target frequency band.
  • AP access point
  • a supportable frequency band of the electronic device is checked. action to do; checking a supportable frequency band of the first external electronic device; checking whether a band change event occurs by monitoring the state of the first external electronic device; when the band change event occurs, determining a target frequency band based on the band change event; and changing a frequency band for communication with the first external electronic device from the first frequency band to the target frequency band.
  • a recording medium on which a program for controlling an operation of an electronic device when the electronic device operates as an access point (AP) and is connected to a first external electronic device through a first frequency band , checking, by the electronic device, a supportable frequency band of the electronic device; checking a supportable frequency band of the first external electronic device; checking whether a band change event occurs by monitoring the state of the first external electronic device; when the band change event occurs, determining a target frequency band based on the band change event; and a program for changing a frequency band for communication with the first external electronic device from the first frequency band to the target frequency band.
  • AP access point
  • an electronic device that identifies a supportable frequency band of an electronic device that provides a hotspot and a supportable frequency band of an external electronic device connected to the hotspot, and provides a hotspot with a changed frequency band based on the state of the external electronic device A device may be provided.
  • the electronic device providing the hotspot when the electronic device providing the hotspot is connected to a plurality of external electronic devices, the electronic device providing the hotspot in a frequency band changed based on the state of the external electronic devices may be provided.
  • an electronic device that automatically provides a hotspot in a frequency band optimized without user setting may be provided.
  • FIG. 1 is a block diagram of an electronic device in a network environment according to various embodiments of the present disclosure
  • FIG. 2 is a block diagram illustrating an electronic device according to various embodiments of the present disclosure
  • FIG. 3 is a flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure
  • 4A to 4C are diagrams for explaining an operation of checking a supportable frequency band of an external electronic device according to various embodiments of the present disclosure
  • FIG. 5 is a flowchart illustrating an operation of checking whether a band change event occurs according to various embodiments of the present disclosure
  • FIG. 6 is a flowchart illustrating an operation of determining a target frequency band based on a band change event according to various embodiments of the present disclosure
  • FIG. 7 is a flowchart illustrating a method of operating an electronic device connected to a plurality of external electronic devices according to various embodiments of the present disclosure
  • FIG. 8 is a diagram for describing a screen through which an external electronic device is provided with a mobile hotspot that automatically changes a frequency band according to various embodiments of the present disclosure
  • FIG. 1 is a block diagram of an electronic device 101 in a network environment 100 according to various embodiments of the present disclosure.
  • FIG. 1 is a block diagram of an electronic device 101 in a network environment 100, according to various embodiments.
  • the electronic device 101 communicates with the electronic device 102 through a first network 198 (eg, a short-range wireless communication network) or a second network 199 . It may communicate with at least one of the electronic device 104 and the server 108 through (eg, a long-distance wireless communication network). According to an embodiment, the electronic device 101 may communicate with the electronic device 104 through the server 108 .
  • the electronic device 101 includes a processor 120 , a memory 130 , an input module 150 , a sound output module 155 , a display module 160 , an audio module 170 , and a sensor module ( 176), interface 177, connection terminal 178, haptic module 179, camera module 180, power management module 188, battery 189, communication module 190, subscriber identification module 196 , or an antenna module 197 .
  • at least one of these components eg, the connection terminal 178
  • some of these components are integrated into one component (eg, display module 160 ). can be
  • the processor 120 for example, executes software (eg, a program 140) to execute at least one other component (eg, a hardware or software component) of the electronic device 101 connected to the processor 120. It can control and perform various data processing or operations. According to one embodiment, as at least part of data processing or operation, the processor 120 converts commands or data received from other components (eg, the sensor module 176 or the communication module 190 ) to the volatile memory 132 . may be stored in , process commands or data stored in the volatile memory 132 , and store the result data in the non-volatile memory 134 .
  • software eg, a program 140
  • the processor 120 converts commands or data received from other components (eg, the sensor module 176 or the communication module 190 ) to the volatile memory 132 .
  • the volatile memory 132 may be stored in , process commands or data stored in the volatile memory 132 , and store the result data in the non-volatile memory 134 .
  • the processor 120 is a main processor 121 (eg, a central processing unit or an application processor) or a secondary processor 123 (eg, a graphic processing unit, a neural network processing unit) a neural processing unit (NPU), an image signal processor, a sensor hub processor, or a communication processor).
  • a main processor 121 eg, a central processing unit or an application processor
  • a secondary processor 123 eg, a graphic processing unit, a neural network processing unit
  • NPU neural processing unit
  • an image signal processor e.g., a sensor hub processor, or a communication processor.
  • the secondary processor 123 may, for example, act on behalf of the main processor 121 while the main processor 121 is in an inactive (eg, sleep) state, or when the main processor 121 is active (eg, executing an application). ), together with the main processor 121, at least one of the components of the electronic device 101 (eg, the display module 160, the sensor module 176, or the communication module 190) It is possible to control at least some of the related functions or states.
  • the coprocessor 123 eg, an image signal processor or a communication processor
  • may be implemented as part of another functionally related component eg, the camera module 180 or the communication module 190. have.
  • the auxiliary processor 123 may include a hardware structure specialized for processing an artificial intelligence model.
  • Artificial intelligence models can be created through machine learning. Such learning may be performed, for example, in the electronic device 101 itself on which the artificial intelligence model is performed, or may be performed through a separate server (eg, the server 108).
  • the learning algorithm may include, for example, supervised learning, unsupervised learning, semi-supervised learning, or reinforcement learning, but in the above example not limited
  • the artificial intelligence model may include a plurality of artificial neural network layers.
  • Artificial neural networks include deep neural networks (DNNs), convolutional neural networks (CNNs), recurrent neural networks (RNNs), restricted boltzmann machines (RBMs), deep belief networks (DBNs), bidirectional recurrent deep neural networks (BRDNNs), It may be one of deep Q-networks or a combination of two or more of the above, but is not limited to the above example.
  • the artificial intelligence model may include, in addition to, or alternatively, a software structure in addition to the hardware structure.
  • the memory 130 may store various data used by at least one component (eg, the processor 120 or the sensor module 176 ) of the electronic device 101 .
  • the data may include, for example, input data or output data for software (eg, the program 140 ) and instructions related thereto.
  • the memory 130 may include a volatile memory 132 or a non-volatile memory 134 .
  • the program 140 may be stored as software in the memory 130 , and may include, for example, an operating system 142 , middleware 144 , or an application 146 .
  • the input module 150 may receive a command or data to be used by a component (eg, the processor 120 ) of the electronic device 101 from the outside (eg, a user) of the electronic device 101 .
  • the input module 150 may include, for example, a microphone, a mouse, a keyboard, a key (eg, a button), or a digital pen (eg, a stylus pen).
  • the sound output module 155 may output a sound signal to the outside of the electronic device 101 .
  • the sound output module 155 may include, for example, a speaker or a receiver.
  • the speaker can be used for general purposes such as multimedia playback or recording playback.
  • the receiver can be used to receive incoming calls. According to one embodiment, the receiver may be implemented separately from or as part of the speaker.
  • the display module 160 may visually provide information to the outside (eg, a user) of the electronic device 101 .
  • the display module 160 may include, for example, a control circuit for controlling a display, a hologram device, or a projector and a corresponding device.
  • the display module 160 may include a touch sensor configured to sense a touch or a pressure sensor configured to measure the intensity of a force generated by the touch.
  • the audio module 170 may convert a sound into an electric signal or, conversely, convert an electric signal into a sound. According to an embodiment, the audio module 170 acquires a sound through the input module 150 or an external electronic device (eg, a sound output module 155 ) directly or wirelessly connected to the electronic device 101 .
  • the electronic device 102) eg, a speaker or headphones
  • the sensor module 176 detects an operating state (eg, power or temperature) of the electronic device 101 or an external environmental state (eg, a user state), and generates an electrical signal or data value corresponding to the sensed state. can do.
  • the sensor module 176 may include, for example, a gesture sensor, a gyro sensor, a barometric pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an IR (infrared) sensor, a biometric sensor, It may include a temperature sensor, a humidity sensor, a Hall sensor, or an illuminance sensor.
  • the interface 177 may support one or more specified protocols that may be used by the electronic device 101 to directly or wirelessly connect with an external electronic device (eg, the electronic device 102 ).
  • the interface 177 may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.
  • the connection terminal 178 may include a connector through which the electronic device 101 can be physically connected to an external electronic device (eg, the electronic device 102 ).
  • the connection terminal 178 may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (eg, a headphone connector).
  • the haptic module 179 may convert an electrical signal into a mechanical stimulus (eg, vibration or movement) or an electrical stimulus that the user can perceive through tactile or kinesthetic sense.
  • the haptic module 179 may include, for example, a motor, a piezoelectric element, or an electrical stimulation device.
  • the camera module 180 may capture still images and moving images. According to an embodiment, the camera module 180 may include one or more lenses, image sensors, image signal processors, or flashes.
  • the power management module 188 may manage power supplied to the electronic device 101 .
  • the power management module 188 may be implemented as, for example, at least a part of a power management integrated circuit (PMIC).
  • PMIC power management integrated circuit
  • the battery 189 may supply power to at least one component of the electronic device 101 .
  • battery 189 may include, for example, a non-rechargeable primary cell, a rechargeable secondary cell, or a fuel cell.
  • the communication module 190 is a direct (eg, wired) communication channel or a wireless communication channel between the electronic device 101 and an external electronic device (eg, the electronic device 102, the electronic device 104, or the server 108). It can support establishment and communication performance through the established communication channel.
  • the communication module 190 may include one or more communication processors that operate independently of the processor 120 (eg, an application processor) and support direct (eg, wired) communication or wireless communication.
  • the communication module 190 is a wireless communication module 192 (eg, a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module 194 (eg, : It may include a local area network (LAN) communication module, or a power line communication module).
  • a wireless communication module 192 eg, a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module
  • GNSS global navigation satellite system
  • wired communication module 194 eg, : It may include a local area network (LAN) communication module, or a power line communication module.
  • a corresponding communication module among these communication modules is a first network 198 (eg, a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)) or a second network 199 (eg, legacy It may communicate with the external electronic device 104 through a cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (eg, a telecommunication network such as a LAN or a WAN).
  • a first network 198 eg, a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)
  • a second network 199 eg, legacy It may communicate with the external electronic device 104 through a cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (eg, a telecommunication network such as a LAN or a WAN).
  • a telecommunication network
  • the wireless communication module 192 uses subscriber information (eg, International Mobile Subscriber Identifier (IMSI)) stored in the subscriber identification module 196 within a communication network such as the first network 198 or the second network 199 .
  • subscriber information eg, International Mobile Subscriber Identifier (IMSI)
  • IMSI International Mobile Subscriber Identifier
  • the electronic device 101 may be identified or authenticated.
  • the wireless communication module 192 may support a 5G network after a 4G network and a next-generation communication technology, for example, a new radio access technology (NR).
  • NR access technology includes high-speed transmission of high-capacity data (eMBB (enhanced mobile broadband)), minimization of terminal power and access to multiple terminals (mMTC (massive machine type communications)), or high reliability and low latency (URLLC (ultra-reliable and low-latency) -latency communications)).
  • eMBB enhanced mobile broadband
  • mMTC massive machine type communications
  • URLLC ultra-reliable and low-latency
  • the wireless communication module 192 may support a high frequency band (eg, mmWave band) to achieve a high data rate, for example.
  • a high frequency band eg, mmWave band
  • the wireless communication module 192 uses various techniques for securing performance in a high-frequency band, for example, beamforming, massive multiple-input and multiple-output (MIMO), all-dimensional multiplexing. It may support technologies such as full dimensional MIMO (FD-MIMO), an array antenna, analog beam-forming, or a large scale antenna.
  • the wireless communication module 192 may support various requirements defined in the electronic device 101 , an external electronic device (eg, the electronic device 104 ), or a network system (eg, the second network 199 ).
  • the wireless communication module 192 may include a peak data rate (eg, 20 Gbps or more) for realizing eMBB, loss coverage (eg, 164 dB or less) for realizing mMTC, or U-plane latency for realizing URLLC ( Example: Downlink (DL) and uplink (UL) each 0.5 ms or less, or round trip 1 ms or less) can be supported.
  • a peak data rate eg, 20 Gbps or more
  • loss coverage eg, 164 dB or less
  • U-plane latency for realizing URLLC
  • the antenna module 197 may transmit or receive a signal or power to the outside (eg, an external electronic device).
  • the antenna module 197 may include an antenna including a conductor formed on a substrate (eg, a PCB) or a radiator formed of a conductive pattern.
  • the antenna module 197 may include a plurality of antennas (eg, an array antenna). In this case, at least one antenna suitable for a communication method used in a communication network such as the first network 198 or the second network 199 is connected from the plurality of antennas by, for example, the communication module 190 . can be selected. A signal or power may be transmitted or received between the communication module 190 and an external electronic device through the selected at least one antenna.
  • other components eg, a radio frequency integrated circuit (RFIC)
  • RFIC radio frequency integrated circuit
  • the antenna module 197 may form a mmWave antenna module.
  • the mmWave antenna module comprises a printed circuit board, an RFIC disposed on or adjacent to a first side (eg, bottom side) of the printed circuit board and capable of supporting a designated high frequency band (eg, mmWave band); and a plurality of antennas (eg, an array antenna) disposed on or adjacent to a second side (eg, top or side) of the printed circuit board and capable of transmitting or receiving signals of the designated high frequency band. can do.
  • peripheral devices eg, a bus, general purpose input and output (GPIO), serial peripheral interface (SPI), or mobile industry processor interface (MIPI)
  • GPIO general purpose input and output
  • SPI serial peripheral interface
  • MIPI mobile industry processor interface
  • the command or data may be transmitted or received between the electronic device 101 and the external electronic device 104 through the server 108 connected to the second network 199 .
  • Each of the external electronic devices 102 or 104 may be the same as or different from the electronic device 101 .
  • all or part of the operations performed by the electronic device 101 may be executed by one or more external electronic devices 102 , 104 , or 108 .
  • the electronic device 101 may perform the function or service itself instead of executing the function or service itself.
  • one or more external electronic devices may be requested to perform at least a part of the function or the service.
  • One or more external electronic devices that have received the request may execute at least a part of the requested function or service, or an additional function or service related to the request, and transmit a result of the execution to the electronic device 101 .
  • the electronic device 101 may process the result as it is or additionally and provide it as at least a part of a response to the request.
  • cloud computing, distributed computing, mobile edge computing (MEC), or client-server computing technology may be used.
  • the electronic device 101 may provide an ultra-low latency service using, for example, distributed computing or mobile edge computing.
  • the external electronic device 104 may include an Internet of things (IoT) device.
  • the server 108 may be an intelligent server using machine learning and/or neural networks.
  • the external electronic device 104 or the server 108 may be included in the second network 199 .
  • the electronic device 101 may be applied to an intelligent service (eg, smart home, smart city, smart car, or health care) based on 5G communication technology and IoT-related technology.
  • the electronic device may have various types of devices.
  • the electronic device may include, for example, a portable communication device (eg, a smart phone), a computer device, a portable multimedia device, a portable medical device, a camera, a wearable device, or a home appliance device.
  • a portable communication device eg, a smart phone
  • a computer device e.g., a smart phone
  • a portable multimedia device e.g., a portable medical device
  • a camera e.g., a portable medical device
  • a camera e.g., a portable medical device
  • a camera e.g., a portable medical device
  • a wearable device e.g., a smart bracelet
  • a home appliance device e.g., a home appliance
  • first”, “second”, or “first” or “second” may simply be used to distinguish the component from other such components, and refer to those components in other aspects (e.g., importance or order) is not limited. It is said that one (eg, first) component is “coupled” or “connected” to another (eg, second) component, with or without the terms “functionally” or “communicatively”. When referenced, it means that one component can be connected to the other component directly (eg by wire), wirelessly, or through a third component.
  • module used in various embodiments of this document may include a unit implemented in hardware, software, or firmware, and is interchangeable with terms such as, for example, logic, logic block, component, or circuit.
  • a module may be an integrally formed part or a minimum unit or a part of the part that performs one or more functions.
  • the module may be implemented in the form of an application-specific integrated circuit (ASIC).
  • ASIC application-specific integrated circuit
  • a storage medium eg, the internal memory 136 or the external memory 138
  • a machine eg, the electronic device 101 of FIG. 1
  • the processor eg, the processor 120
  • the device may call at least one of the one or more instructions stored from the storage medium and execute it. This makes it possible for the device to be operated to perform at least one function according to the called at least one command.
  • the one or more instructions may include code generated by a compiler or code executable by an interpreter.
  • the device-readable storage medium may be provided in the form of a non-transitory storage medium.
  • 'non-transitory' only means that the storage medium is a tangible device and does not contain a signal (eg, electromagnetic wave), and this term is used in cases where data is semi-permanently stored in the storage medium and It does not distinguish between temporary storage cases.
  • a signal eg, electromagnetic wave
  • the method according to various embodiments disclosed in this document may be provided in a computer program product (computer program product).
  • Computer program products may be traded between sellers and buyers as commodities.
  • the computer program product is distributed in the form of a machine-readable storage medium (eg compact disc read only memory (CD-ROM)), or through an application store (eg Play StoreTM) or on two user devices ( It can be distributed (eg downloaded or uploaded) directly, online between smartphones (eg: smartphones).
  • a portion of the computer program product may be temporarily stored or temporarily created in a machine-readable storage medium such as a memory of a server of a manufacturer, a server of an application store, or a relay server.
  • each component eg, a module or a program of the above-described components may include a singular or a plurality of entities, and some of the plurality of entities may be separately disposed in other components. have.
  • one or more components or operations among the above-described corresponding components may be omitted, or one or more other components or operations may be added.
  • a plurality of components eg, a module or a program
  • the integrated component may perform one or more functions of each component of the plurality of components identically or similarly to those performed by the corresponding component among the plurality of components prior to the integration. .
  • operations performed by a module, program, or other component are executed sequentially, in parallel, repeatedly, or heuristically, or one or more of the operations are executed in a different order, or omitted. , or one or more other operations may be added.
  • FIG. 2 is a block diagram illustrating an electronic device according to various embodiments of the present disclosure
  • the electronic device 101 includes a memory 130 in which computer-executable instructions are stored and a processor 120 that accesses the memory 130 and executes the instructions. may include As described for the electronic device 101 in FIG. 1 , the electronic device 101 may include a communication module 190 including a wireless communication module 192 and/or a wired communication module 194 .
  • the communication module 190 is a wireless communication module 192 (eg, a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module) or wired communication as described with reference to FIG. 1 .
  • a module 194 eg, a local area network (LAN) communication module, or a power line communication module
  • the corresponding communication module is an external electronic device (eg, the first external electronic device ( 102) and/or the second external electronic device 104).
  • a program for automatically changing the hotspot frequency band may be stored as software in the memory 130 of the electronic device 101 .
  • an operating system eg, the operating system 142 of FIG. 1
  • middleware eg, the middleware 144 of FIG. 1
  • an application 146 may be included in the memory 130 .
  • the instructions stored in the memory 130 are implemented as one function module in the operating system (eg, the operating system 142 of FIG. 1 ), implemented in the form of middleware (eg, the middleware 144 of FIG. 1 ), or separate It may be implemented in the form of an application 146 .
  • the electronic device 101 operates as an access point (AP) and communicates with an external electronic device in a first frequency band (eg, 2.4Ghz band) through the communication module 190 (eg, a Wifi communication module). ), and the external electronic devices 102 and 104 may enable wireless Internet.
  • a hotspot when turned on in the electronic device 101 , it may be connected to the first external electronic device 102 using 2.4 Ghz as a basic frequency band.
  • the instructions stored in the memory 130 allow the electronic device 101 to operate as an access point (AP) and communicate with the first external electronic device 102 and the first frequency band through the communication module 190 .
  • AP access point
  • the instructions stored in the memory 130 allow the electronic device 101 to operate as an access point (AP) and communicate with the first external electronic device 102 and the first frequency band through the communication module 190 .
  • AP access point
  • the instructions stored in the memory 130 allow the electronic device 101 to operate as an access point (AP) and communicate with the first external electronic device 102 and the first frequency band through the communication module 190 .
  • AP access point
  • the instructions stored in the memory 130 allow the electronic device 101 to operate as an access point (AP) and communicate with the first external electronic device 102 and the first frequency band through the communication module 190 .
  • a supportable frequency band eg, 2.4Ghz band and 5Ghz band
  • the commands may be configured to check a frequency band supportable by the first external electronic device 102 connected to the electronic device 101 .
  • the commands may be configured to store a supportable frequency band for each external electronic device in the external electronic device information storage 135 included in the memory 130 .
  • the processor 120 checks a frequency band supportable by the electronic device 101 and a frequency band supportable by the external electronic device based on the instructions stored in the memory 130 , and an external electronic device (eg, the first external electronic device) When a band frequency change event occurs while monitoring the state of 102 and/or the second external electronic device 104 , a changeable frequency band may be determined based on supportable frequency bands. According to an embodiment, the processor 120 may check the supportable frequency band of the first external electronic device 102 in a different way depending on whether the first external electronic device 102 supports multiband operation (MBO). have. The operation of checking the supportable frequency band of the first external electronic device 102 according to various embodiments will be described in detail with reference to FIGS. 4A to 4C .
  • MBO multiband operation
  • the instructions may be configured to monitor the state of the first external electronic device 102 to check whether a band change event occurs.
  • the commands may monitor a throughput of the first external electronic device 102 and/or a round trip time (RTT) of the first external electronic device 102
  • the device information storage 135 may be configured to be stored in association with an external electronic device.
  • a supported frequency band eg, 2.4Ghz, 5Ghz and 6Ghz
  • a throughput eg, 30Mbps
  • a connected frequency band eg, the first frequency band
  • a round trip time eg, 30Mbps
  • the instructions may be configured to determine a throughput threshold for generating a band change event based on the throughput of the first external electronic device 102 in the first frequency band. According to an embodiment, the instructions may be configured to determine a round trip time threshold based on a recommended round trip time determined for each service category provided to the user by the first external electronic device 102 .
  • the commands may determine that a band change event has occurred when a throughput or a round trip time with the external electronic device 102 exceeds a threshold while monitoring is in progress.
  • the instructions may be configured to determine a target frequency band based on a band change event.
  • the processor 120 determines a changeable frequency band based on the supportable frequency band of the electronic device 101 and the supportable frequency band of the first external electronic device 102 , and may change based on the type of the band change event
  • a target frequency band may be determined from among the frequency bands.
  • the instructions may be configured to change the frequency band for communication with the first external electronic device 102 from the first frequency band to the target frequency band.
  • the processor 120 may notify the first external electronic device 102 .
  • a channel switch announcement (CSA) or enhanced channel switch announcement (ECSA) message for notifying a change in a frequency band may be transmitted to the first external electronic device 102 connected to the electronic device 101, The first external electronic device 102 may continue communication in the target frequency band by attempting reassociation in the changed frequency band while maintaining the connection with the electronic device 101 .
  • CSA channel switch announcement
  • ECSA enhanced channel switch announcement
  • the processor 120 when the electronic device 101 is further connected to the second external electronic device 104 in a state in which the electronic device 101 is connected to the first external electronic device 102 in the first frequency band, the processor 120 operates the electronic device ( A supportable frequency band of the first external electronic device 102 and the second external electronic device 104 may be checked, and a supportable frequency band of the first external electronic device 102 and the second external electronic device 104 may be checked.
  • the band change event of the first external electronic device 102 and the band change of the second external electronic device 104 are A target frequency band may be determined based on the event, and a hotspot may be provided to the first external electronic device 102 and the second external electronic device 104 through the target frequency band.
  • a method of operating the electronic device 101 connected to the plurality of external electronic devices 102 and 104 according to various embodiments is described in detail with reference to FIG. 7 .
  • a supportable frequency band of the electronic device 101 providing a mobile hotspot and a supportable frequency band of the external electronic devices 102 and 104 are identified with reference to FIGS. 3 to 8, and the external electronic device 102, 104), a method of changing the frequency band based on the state is described in detail.
  • FIG. 3 is a flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure
  • Operations 310 to 360 may be performed by the processor 120 of the electronic device 101 described above with reference to FIG. 2 .
  • the processor may identify a supportable frequency band of the electronic device (eg, the electronic device 101 of FIG. 2 ).
  • the electronic device operates as an access point (AP) to an external electronic device (eg, the first external electronic device 102 of FIG. 2 ) through a communication module (eg, a Wifi communication module among the communication modules 190 of FIG. 2 ).
  • the second external electronic device 104 of FIG. 2 may be connected to the first frequency band (eg, 2.4Ghz band), and wireless Internet may be enabled in the external electronic device.
  • the hotspot when the hotspot is turned on in the electronic device, the hotspot may be provided to the external electronic device using 2.4Ghz as a basic frequency band.
  • the processor may identify a supportable frequency band (eg, a 2.4Ghz band and a 5Ghz band) of the electronic device.
  • the processor eg, the processor 120 of FIG. 2
  • communicates with an external electronic device eg, the first external electronic device 102 of FIG. 2 or the second external electronic device 104 of FIG. 2 .
  • a supportable frequency band of the electronic device eg, the electronic device 101 of FIG. 2
  • a supportable frequency band of the electronic device may be checked in advance, but is not limited thereto.
  • an external electronic device is connected and a supportable frequency band may be checked.
  • the processor eg, the processor 120 of FIG. 2
  • operates the electronic device eg, the electronic device of FIG. 2 .
  • a frequency band supported by the first external electronic device eg, the first external electronic device 102 of FIG. 2
  • the processor may store a supportable frequency band for each external electronic device in an external electronic device information storage (eg, the external electronic device information storage 135 of FIG. 2 ) included in the memory (eg, the memory 130 of FIG. 2 ).
  • the processor eg, the processor 120 of FIG.
  • the first external electronic device determines whether the first external electronic device (eg, the first external electronic device 102 of FIG. 2 ) supports a multiband operation (MBO). Accordingly, the supportable frequency band of the first external electronic device may be checked in another method. The operation of checking the supportable frequency band of the first external electronic device according to various embodiments will be described in detail with reference to FIGS. 4A to 4C .
  • the processor eg, the processor 120 of FIG. 2 ) monitors the state of the first external electronic device (eg, the first external electronic device 102 of FIG. 2 ). You can check if a band change event occurs.
  • the processor may monitor a throughput of the first external electronic device and/or a round trip time (RTT) of the first external electronic device, and an external electronic device information storage (eg, It may be stored in the external electronic device information storage 135 of FIG. 2 in association with the external electronic device.
  • RTT round trip time
  • the external electronic device information storage includes the supported frequency bands (eg 2.4Ghz, 5Ghz, and 6Ghz), the throughput in the connected frequency band (eg the first frequency band) (eg 30Mbps), and the The round trip time according to the service category may be stored in association with an external electronic device (eg, the first external electronic device 102 or the second external electronic device 104 ).
  • the supported frequency bands eg 2.4Ghz, 5Ghz, and 6Ghz
  • the throughput in the connected frequency band eg the first frequency band
  • the round trip time according to the service category may be stored in association with an external electronic device (eg, the first external electronic device 102 or the second external electronic device 104 ).
  • the processor (eg, the processor 120 of FIG. 2 ) performs a bandwidth based on the throughput of the first external electronic device (eg, the first external electronic device 102 of FIG. 2 ) in the first frequency band.
  • a throughput threshold for a change event to occur may be determined.
  • the processor may determine the round trip time threshold based on the recommended round trip time determined for each service category provided to the user by the first external electronic device.
  • the commands may determine that a band change event has occurred when a throughput or a round trip time with an external electronic device exceeds a threshold value while monitoring is in progress.
  • the processor may determine a target frequency band based on a band change event.
  • the processor eg, the processor 120 of FIG. 2
  • the processor includes a supportable frequency band of the electronic device (eg, the electronic device 101 of FIG. 2 ) and a first external electronic device (eg, the first external electronic device ( ) of FIG. 2 ). 102))
  • a changeable frequency band may be determined based on the supportable frequency band
  • a target frequency band among the changeable frequency bands may be determined based on the type of the band change event.
  • the processor (eg, the processor 120 of FIG. 2 ) generates a frequency band for communication with the first external electronic device (eg, the first external electronic device 102 of FIG. 2 ). 1 It is possible to change from a frequency band to a target frequency band and provide a hotspot through the target frequency band. According to an embodiment, in order to prevent service delay due to frequent frequency band change from occurring, in operation 360, the processor may not change the frequency band even if the target frequency band is determined within a minimum band change interval. .
  • the processor may notify the change of the frequency band to the first external electronic device 102 .
  • a channel switch announcement (CSA) or enhanced channel switch announcement (ECSA) message for notifying a change in a frequency band may be transmitted to the first external electronic device connected to the electronic device, and the first external electronic device Communication with the electronic device in the target frequency band may be continued by attempting reassociation in the changed frequency band while maintaining the connection with the electronic device.
  • CSA channel switch announcement
  • ECSA enhanced channel switch announcement
  • the electronic device 101 is connected to the first external electronic device 102 and provides an additional external electronic device (eg, a second external electronic device) while providing a hotspot function to the first external electronic device 102 .
  • an additional external electronic device eg, a second external electronic device
  • the processor 120 is connected to the second external electronic device 104 while providing the hotspot function to the first external electronic device 102 in operation 360 to provide the hotspot function to the second external electronic device 104 as well.
  • a method of operating the electronic device 101 connected to the plurality of external electronic devices 102 and 104 according to various embodiments is described in detail with reference to FIG. 7 .
  • 4A to 4C are diagrams for explaining an operation of checking a supportable frequency band of an external electronic device according to various embodiments of the present disclosure
  • a processor eg, the processor 120 of FIG. 2 of an electronic device (eg, the electronic device 101 of FIG. 2 ) is a first external electronic device (eg, the first external electronic device of FIG. 2 )
  • a flow chart for identifying a supportable frequency band of (102)) is shown.
  • Operations 410 to 430 may be performed by the processor 120 of the electronic device 101 described above with reference to FIG. 2 . According to an embodiment, operations 410 to 430 may correspond to the operation of checking the supportable frequency band of the first external electronic device described with reference to FIG. 3 (eg, operation 320 of FIG. 3 ).
  • the processor depends on whether the first external electronic device (eg, the first external electronic device 102 of FIG. 2 ) supports a multiband operation (MBO). )) of an external electronic device (eg, the first external electronic device 102 of FIG. 2 ) may check a supportable frequency band in a different way.
  • MBO multiband operation
  • the processor may add and transmit an information element (IE) to the first external electronic device.
  • the processor may receive information on a supportable frequency band of the first external electronic device from the first external electronic device in operation 425 . Even if the electronic device that provides the mobile hotspot (eg, the electronic device 101 of FIG.
  • the first external electronic device by adding a related information element to a beacon or probe response message of the hotspot
  • the data may be transmitted to a device (eg, the first external electronic device 102 of FIG. 2 ).
  • the first external electronic device eg, the first external electronic device 102 of FIG. 1
  • the first external electronic device may recognize that the electronic device supports MBO.
  • the first external electronic device may include frequency band information (or preferred channel information of the first external electronic device) of the first external electronic device in an association request message and transmit it to the electronic device.
  • the processor eg, the processor 120 of FIG. 2
  • the MBO technology in operations 420 and 425 has been recently developed and there are many cases where the existing WiFi terminal does not support MBO (eg, “No” in operation 410).
  • the processor performs the first Frequency band information may be acquired by using operating class information of an association request message of an external electronic device.
  • an operating class is designated as an index for a list of frequency bands according to the standards.
  • an external electronic device eg, the first external electronic device 102 of FIG. 2
  • a mobile hotspot provided by the electronic device (eg, the electronic device 101 of FIG. 2 )
  • IE operating class information element
  • a list of frequency bands allowed for an external electronic device in a corresponding country may be transmitted to the electronic device (eg, the electronic device 101 of FIG. 2 ).
  • the processor eg, FIG. 2
  • An operation in which the processor 120 ) acquires information on the supportable frequency band of the first external electronic device will be described.
  • FIG. 4B is a diagram illustrating a case in which a first external electronic device (eg, the first external electronic device 102 of FIG. 2 ) is connected to an electronic device (eg, the electronic device 101 of FIG. 2 ) through a mobile hotspot according to an embodiment.
  • 1 shows a binding request message transmitted from an external electronic device.
  • Reference numeral 440 denotes a current operating class, and the first external electronic device may recognize that the current operating class is 124 .
  • Reference numeral 450 denotes replaceable operating classes, and it can be seen that 81, 83, 84, 115 to 129 are possible operating classes of the first external electronic device.
  • Figure 4c shows a part of the operating class table of IEEE 802.11.
  • the frequency band is 5 Ghz ( 470 ).
  • the processor eg, FIG. 2
  • the processor 120 of the may obtain information that the first external electronic device can also support a frequency band of 5Ghz.
  • information related to the operating class table may be stored in the memory 130 of the electronic device 101 (or the external electronic device information storage 135 included in the memory 130 ).
  • the operating class table related information may be acquired from an external server (eg, the server 108 of FIG. 1 ) rather than the internal electronic device 101 .
  • the processor acquires supportable frequency band information of the first external electronic device when and when the first external electronic device does not support MBO. has been described, but is not limited thereto.
  • the electronic device eg, the electronic device 101 of FIG. 2
  • communicates with the first external electronic device eg, the first electronic device of FIG. 2
  • a communication module eg, the communication module 190 of FIG. 2
  • the external electronic device 102 and short-range communication such as Bluetooth low energy (BLE) may be performed, and the processor (eg, the processor 120 of FIG. 2 ) may include the first external electronic device (eg, FIG. 2 ).
  • BLE Bluetooth low energy
  • Supportable frequency band information of the first external electronic device may be received through another short-distance communication before the hotspot connection with the first external electronic device 102 of the .
  • the processor may acquire frequency band information of the first external electronic device through a frequency band steering technique.
  • supportable frequency band information of the first external electronic device may be acquired in various ways.
  • the processor sets a frequency band supportable for each external electronic device in an external electronic device information storage (eg, the external electronic device information storage 135 of FIG. 2 ) included in the memory (eg, the memory 130 of FIG. 2 ). )) can be stored.
  • an external electronic device information storage eg, the external electronic device information storage 135 of FIG. 2
  • the memory eg, the memory 130 of FIG. 2 .
  • FIG. 5 is a flowchart illustrating an operation of checking whether a band change event occurs according to various embodiments of the present disclosure
  • Operations 510 to 550 may be performed by the processor 120 of the electronic device 101 described above with reference to FIG. 2 . According to an embodiment, operations 510 to 550 may correspond to the operation (eg, operation 340 of FIG. 3 ) of checking whether a band change event occurs, described with reference to FIG. 3 .
  • the processor may set an upper threshold and a lower threshold based on throughput.
  • a first external electronic device eg, the first external electronic device 102 of FIG. 2
  • a throughput threshold may be set based on the maximum throughput. For example, the processor may set 80% of the maximum throughput as the upper threshold and 50% as the lower threshold.
  • the upper limit threshold of the throughput is 80% of 144Mbps. 115.2 Mbps.
  • the maximum throughput may be changed according to the congestion degree of the frequency band, and accordingly, the threshold may also be changed. For example, if the channel usage is 50% due to an increase in frequency band congestion, the maximum throughput is 72 Mbps, which is 50% of 144 Mbps, and the upper limit threshold can also be changed to 57.6 Mbps, which is 80% of 72 Mbps.
  • the processor may set an upper limit threshold value and a lower limit threshold value based on a round trip time (RTT).
  • RTT round trip time
  • a recommended round-trip time for each service category provided by the first external electronic device is determined, and a round-trip time threshold may be set based on this.
  • access category (AC) is divided into background (BK), best effort (BE), video (VI), and voice (VO: voice), and each category is recommended.
  • a round trip time may be determined.
  • the round trip time threshold may be set based on a recommended round trip time determined for each service category defined by each vendor (vendor-specific) in addition to the service defined in IEEE.802.11.
  • the processor may set a certain percentage (eg, 120%) of the recommended round-trip time as the upper limit threshold, and set another certain percentage (eg, 80%) of the recommended round-trip time as the lower threshold. .
  • the processor transmits the state (eg, throughput or round-trip time) of the first external electronic device to the external electronic device information storage (eg, external electronic device information storage 135 of FIG. 2 ) to the external electronic device and support. It can be stored, monitored and updated in conjunction with available frequency band information.
  • the external electronic device information storage eg, external electronic device information storage 135 of FIG. 2
  • operation 530 when the processor monitors the state (eg, throughput or round trip time) of the first external electronic device and exceeds the upper limit threshold (eg, “exceeds the upper limit threshold” in operation 530), in operation 540 . It may be determined that a band change event that exceeds an upper threshold has occurred.
  • the state eg, throughput or round trip time
  • the upper limit threshold eg, “exceeds the upper limit threshold” in operation 530
  • the processor monitors the state (eg, throughput or round trip time) of the first external electronic device and exceeds a lower limit threshold (eg, “exceeds the lower limit threshold” in operation 530), in operation 550 . It may be determined that a band change event that exceeds the lower threshold has occurred.
  • a lower limit threshold eg, “exceeds the lower limit threshold” in operation 530
  • a threshold duration which is a minimum time that must be maintained in a state exceeding a threshold value for frequency band change, is determined, and in operation 530, the processor determines the threshold duration in a state exceeding the threshold value. If it is exceeded, it may be configured to perform operation 540 or operation 550 .
  • the processor may monitor power consumption of the first external electronic device, set upper and lower threshold values based on recommended power consumption, and monitor whether the threshold value is exceeded. Parameters related to the state of the first external electronic device, such as throughput, round trip time, and power consumption, are simultaneously managed, and the processor may determine that a band change event has occurred when at least one parameter exceeds a threshold value.
  • the threshold value according to the state of the first external electronic device is not limited thereto, and may be divided into several stages according to various embodiments.
  • FIG. 6 is a flowchart illustrating an operation of determining a target frequency band based on a band change event according to various embodiments of the present disclosure
  • Operations 610 to 640 may be performed by the processor 120 of the electronic device 101 described above with reference to FIG. 2 . According to an embodiment, operations 610 to 640 may correspond to the operation of determining the target frequency band described with reference to FIG. 3 (eg, operation 340 of FIG. 3 ).
  • the processor selects a supportable frequency band of the electronic device (eg, the electronic device 101 of FIG. 2 ) and a first external electronic device (eg, the first external electronic device)
  • the changeable frequency band may be determined based on the supportable frequency band of the first external electronic device 102 of FIG. 2 .
  • the supportable frequency band of the electronic device may be identified as described in operation 310 of FIG. 3
  • the supportable frequency band of the first external electronic device may be identified as described in operation 320 and FIG. 4A .
  • the supportable frequency band of the first external electronic device may be stored in an external electronic device information storage (eg, the external electronic device information storage 135 of FIG. 2 ).
  • the processor may determine a common frequency band among two frequency bands as a changeable frequency band.
  • supportable frequency bands of the electronic device eg, the electronic device 101 of FIG. 2
  • the first external electronic device eg, the first external electronic device of FIG. 2
  • the supportable frequency bands of (102) are 2.4Ghz, 5Ghz, and 6Ghz
  • the two electronic devices are connected to the 5Ghz band through a hotspot
  • the changeable frequency bands may be determined to be 2.4Ghz and 6Ghz.
  • supportable frequency bands of the electronic device are 2.4Ghz, 5Ghz, 6Ghz, and 30Ghz
  • the first external electronic device eg, the first external electronic device of FIG. 2
  • the supportable frequency bands of (102) are 2.4Ghz, 5Ghz, and 6Ghz
  • the two electronic devices are connected to the 5Ghz band through a hotspot
  • the changeable frequency bands may be determined to be 2.4Ghz and 6Ghz.
  • the processor may determine the type of the band change event. For example, there may be two types of band change events: a band change event exceeding the upper limit threshold described in operation 540 of FIG. 5 and a band change event exceeding the lower limit threshold value described in operation 550 of FIG. 5 .
  • the present invention is not limited thereto, and as described with reference to FIG. 5 , the state of the external electronic device may be divided into several types as the state is divided into several stages instead of the upper and lower threshold values.
  • the processor performs a second higher frequency based on the connected first frequency band among the changeable frequency bands.
  • the band may be determined as a target frequency band. For example, when the first frequency band being connected is 5Ghz and the changeable frequency bands are 2.4Ghz and 6Ghz as described above, the processor may determine the 6Ghz frequency band as the target frequency band.
  • the processor performs a lower difference based on the connected first frequency band among the changeable frequency bands.
  • the frequency band may be determined as the target frequency band. For example, when the first frequency band being connected is 5Ghz and the changeable frequency bands are 2.4Ghz and 6Ghz as described above, the processor may determine the 2.4Ghz frequency band as the target frequency band.
  • the processor (eg, the processor 120 of FIG. 2 ) is the most changeable frequency band among the changeable frequency bands based on the power state of the electronic device (eg, the electronic device 101 of FIG. 2 ) providing the hotspot.
  • a high frequency band may be determined as the target frequency band, and another frequency band may be determined as the target frequency band according to a change in power level.
  • the processor may determine the target frequency band by combining the power state of the electronic device (eg, the electronic device 101 of FIG. 2 ), the latency required by the access category, and the throughput.
  • FIG. 7 is a flowchart illustrating a method of operating an electronic device connected to a plurality of external electronic devices according to various embodiments of the present disclosure
  • Operations 710 to 760 may be performed by the processor 120 of the electronic device 101 described above with reference to FIG. 2 . According to an embodiment, operations 710 to 760 may correspond to a series of operations (eg, operations 310 to 360 of FIG. 3 ) described with reference to FIG. 3 . Since the operations described with reference to FIG. 7 are embodiments in which a plurality of external electronic devices are used, portions overlapping those described with reference to FIGS. 3 to 6 may be omitted for clear and simple description.
  • the processor eg, the processor 120 of FIG. 2
  • performs a supportable frequency band of the electronic device eg, the electronic device 101 of FIG. 2
  • the processor eg, the processor 120 of FIG. 2
  • operates the first external electronic device eg, the first external electronic device of FIG. 2
  • a second external electronic device eg, the second external electronic device 104 of FIG. 2
  • the processor eg, the processor 120 of FIG. 2
  • operates the first external electronic device eg, FIG. 2
  • the second external electronic device eg, the second external electronic device 104 of FIG. 2
  • the processor monitors throughput of the first external electronic device and the second external electronic device and/or a round trip time (RTT) of the first external electronic device
  • a memory eg, It may be configured to be stored in an external electronic device information storage (eg, the external electronic device information storage 135 of FIG. 2 ) included in the memory 130 0 of FIG. 2 in association with the external electronic device.
  • the processor sets an upper threshold and a lower threshold ( lower threshold) can be set.
  • a first external electronic device eg, the first external electronic device 102 of FIG. 2
  • a second external electronic device eg, the first external electronic device 102 of FIG. 2
  • the throughput threshold may be set based on the summed throughput that the external electronic device (eg, the second external electronic device 104 of FIG. 2 ) can process.
  • the processor may set 80% of the sum of the maximum throughput of each external electronic device as the upper limit threshold value and 50% as the lower limit threshold value.
  • the maximum performance that the two external electronic devices can provide in the corresponding band is 144Mbps
  • the upper limit threshold of the throughput may be 230.4 Mbps, which is 80% of the summed throughput of 288 Mbps.
  • the maximum performance may be changed according to the degree of congestion of the frequency band, and accordingly, the threshold may also be changed.
  • the processor may set an upper limit threshold value and a lower limit threshold value based on a round trip time (RTT) as described in operation 520 of FIG. 5 .
  • RTT round trip time
  • a recommended round trip time for each service category provided by the first external electronic device and the second external electronic device is determined, and a round trip time threshold value may be set based on the determined round trip time.
  • the threshold value may be set based on a shorter round-trip time instead of based on the summed value.
  • the processor sets a certain percentage of the shorter recommended round trip time (e.g. 120%) of the two recommended round trip times as the upper threshold, and sets another percentage of the shorter recommended round trip time (e.g. 80%) as the lower threshold threshold. It can be set as a value.
  • the processor determines a target frequency band based on a band change event of the first external electronic device and a band change event of the second external electronic device as described in operations 350 and 6 of FIG. 3 .
  • the processor eg, the processor 120 of FIG. 2
  • the processor may include a supportable frequency band of the electronic device (eg, the electronic device 101 of FIG. 2 ) and a first external electronic device (eg: A changeable frequency band in which all supportable frequency bands of the first external electronic device 102 of FIG. 2 ) and the second external electronic device (eg, the second external electronic device 104 of FIG. 2 ) overlap may be determined.
  • supportable frequency bands of the electronic device are 2.4Ghz, 5Ghz, 6Ghz, and 60Ghz
  • the first external electronic device eg, the first external device of FIG. 2
  • the supportable frequency bands of the electronic device 102 are 2.4Ghz, 5Ghz, and 6Ghz
  • the supportable frequency bands of the second external electronic device eg, the second external electronic device 104 of FIG. 2
  • the changeable frequency bands may be determined to be 2.4Ghz and 6Ghz.
  • the processor may determine a target frequency band from among the changeable frequency bands based on the type of the band change event as described in operations 620 to 640 of FIG. 6 .
  • the processor may determine the next higher frequency band as the target frequency band based on the first frequency band being connected among the changeable frequency bands. For example, when the first frequency band being connected is 5Ghz and the changeable frequency bands are 2.4Ghz and 6Ghz as described above, the processor may determine the 6Ghz frequency band as the target frequency band.
  • the processor may determine a lower frequency band as a target frequency band based on a first frequency band being connected among the changeable frequency bands. For example, when the first frequency band being connected is 5Ghz and the changeable frequency bands are 2.4Ghz and 6Ghz as described above, the processor may determine the 2.4Ghz frequency band as the target frequency band.
  • the processor eg, the processor 120 of FIG. 2
  • operates the first external electronic device eg, the first external electronic device 102 of FIG. 2 ) as described in operation 360 of FIG. 3 .
  • a second external electronic device eg, the second external electronic device 104 of FIG. 2
  • the processor may notify the frequency band change to the first external electronic device and the second external electronic device.
  • FIG. 8 is a diagram for describing a screen through which an external electronic device is provided with a mobile hotspot that automatically changes a frequency band according to various embodiments of the present disclosure
  • an automatic frequency band change function is provided in an electronic device that provides a mobile hotspot (eg, the electronic device 101 of FIG. 2 ), an external electronic device connected to the electronic device (eg, the first electronic device of FIG. 2 ) The UX of the external electronic device 102 is shown.
  • a screen provided with an option 820 to automatically select as well as fixed frequency bands of 2.4Ghz, 5Ghz, and 6Ghz is provided with reference number 810 may be output.
  • a screen on which the user selects the automatic selection option 820 and the frequency band information 870 determined based on the descriptions with reference to FIGS. 2 to 7 is output is indicated by reference numeral 860 .
  • the frequency band since the frequency band may be automatically changed according to the state of the external electronic device, information 870 about the currently connected frequency band may be provided to the user together.
  • the electronic device may include a communication module (eg, the communication module 190 of FIG. 2 ); a memory in which computer-executable instructions are stored (eg, the memory 130 of FIG. 2 ); and a processor (eg, the processor 120 of FIG. 2 ) that accesses the memory and executes the instructions, wherein the instructions are performed by the electronic device as an access point (AP) to perform a first operation through a communication module
  • a communication module eg, the communication module 190 of FIG. 2
  • a memory in which computer-executable instructions are stored
  • a processor eg, the processor 120 of FIG. 2
  • AP access point
  • a supportable frequency band of the electronic device is checked, and a supportable frequency band of the first external electronic device is checked and, when a band change event occurs by monitoring the state of the first external electronic device, a target frequency band is determined based on the band change event, and a frequency band for communication with the first external electronic device is set in the first frequency band. It may be configured to change to a target frequency band.
  • the commands are transmitted to the information element (IE) as the first external electronic device.
  • IE information element
  • information element may be added and transmitted, and information on a supportable frequency band of the first external electronic device may be received from the first external electronic device.
  • the commands are the Operating Instructions received from the first external electronic device. It may be configured to acquire information on a supportable frequency band of the first external electronic device based on the class information.
  • the commands provide a throughput for generating a band change event based on the throughput of the first external electronic device (eg, the first external electronic device 102 of FIG. 2 ) in the first frequency band.
  • the first external electronic device eg, the first external electronic device 102 of FIG. 2
  • the commands may be configured to determine a threshold.
  • the commands change a band based on a round trip time (RTT) for the first external electronic device (eg, the first external electronic device 102 of FIG. 2 ) in the first frequency band. It may be configured to determine a round trip time threshold for an event to occur.
  • RTT round trip time
  • the round trip time threshold may be determined based on a recommended round trip time determined for each service category provided by the first external electronic device (eg, the first external electronic device 102 of FIG. 2 ). .
  • the commands are provided in a supportable frequency band of the electronic device (eg, the electronic device 101 of FIG. 2 ) and of the first external electronic device (eg, the first external electronic device 102 of FIG. 2 ).
  • a changeable frequency band may be determined based on the supportable frequency band, and a next higher frequency band or a different lower frequency band may be determined as the target frequency band based on the first frequency band based on a band change event among the changeable frequency bands.
  • the instructions may be further configured to notify the first external electronic device (eg, the first external electronic device 102 of FIG. 2 ) after changing from the first frequency band to the target frequency band.
  • the first external electronic device eg, the first external electronic device 102 of FIG. 2
  • the commands indicate that the electronic device (eg, the external electronic device 101 of FIG. 2 ) communicates with the second external electronic device (eg, the second external electronic device 104 of FIG. 2 ) in the first frequency band.
  • the second external electronic device eg, the second external electronic device 104 of FIG. 2
  • the commands indicate that the electronic device (eg, the external electronic device 101 of FIG. 2 ) communicates with the second external electronic device (eg, the second external electronic device 104 of FIG. 2 ) in the first frequency band.
  • to further check a supportable frequency band of the second external electronic device, and further check whether a band change event occurs by monitoring the state of the second external electronic device, and a band change event of the first external electronic device and determine a target frequency band based on a band change event of the second external electronic device, and change a frequency band for communication with the first external electronic device and the second external electronic device from the first frequency band to the target frequency band can be
  • the electronic device in a method of operating an electronic device (eg, the electronic device 101 of FIG. 2 ), the electronic device operates as an access point (AP) to the first external electronic device (eg, the electronic device 101 of FIG. 2 ).
  • AP access point
  • the first external electronic device in the operation of checking the supportable frequency band of the first external electronic device (eg, the first external electronic device 102 of FIG. 2 ), supports a multiband operation (MBO). an operation of adding and transmitting an information element (IE) to the first external electronic device; and receiving information on a supportable frequency band of the first external electronic device from the first external electronic device.
  • MBO multiband operation
  • the first external electronic device in the operation of checking the supportable frequency band of the first external electronic device (eg, the first external electronic device 102 of FIG. 2 ), supports a multiband operation (MBO). If not, the method may include obtaining information on the supportable frequency band of the first external electronic device based on the operating class information received from the first external electronic device.
  • MBO multiband operation
  • the operation of monitoring the state of the first external electronic device (eg, the first external electronic device 102 of FIG. 2 ) to determine whether a band change event occurs may include: The operation may include determining a throughput threshold for generating a band change event based on the throughput of the electronic device.
  • the operation of monitoring the state of the first external electronic device (eg, the first external electronic device 102 of FIG. 2 ) to determine whether a band change event occurs may include: The operation may include determining a round trip time threshold for generating a band change event based on a round trip time (RTT) for the electronic device.
  • RTT round trip time
  • the operation of determining the target frequency band based on the band change event includes a supportable frequency band of an electronic device (eg, the electronic device 101 of FIG. 2 ) and a first determining a changeable frequency band based on a supportable frequency band of an external electronic device (eg, the first external electronic device 102 of FIG. 2 ); and determining, as a target frequency band, a next higher frequency band or a different lower frequency band based on the first frequency band based on a band change event among the changeable frequency bands.
  • the operation of notifying the first external electronic device may be further included. have.
  • the electronic device eg, the electronic device 101 of FIG. 2
  • a second external electronic device eg, the second external electronic device 104 of FIG. 2
  • checking a supportable frequency band of the second external electronic device e.g., checking whether a band change event occurs by monitoring the state of the second external electronic device, wherein the band change event of the first external electronic device (eg, the first external electronic device 102 of FIG. 2 ) and determining a target frequency band based on a band change event of a second external electronic device; and changing a frequency band for communication with the first external electronic device and the second external electronic device from the first frequency band to the target frequency band.
  • the electronic device in a recording medium in which a program for controlling the operation of an electronic device is recorded, operates as an access point (AP) to access the electronic device. 1 when connected to an external electronic device (eg, the first external electronic device 102 of FIG. 2 ) in a first frequency band, checking, by the electronic device, a supportable frequency band of the electronic device; checking a supportable frequency band of the first external electronic device; checking whether a band change event occurs by monitoring a state of the first external electronic device; when a band change event occurs, determining a target frequency band based on the band change event; and a program for changing the frequency band for communication with the first external electronic device from the first frequency band to the target frequency band.
  • an external electronic device eg, the first external electronic device 102 of FIG. 2
  • checking whether a band change event occurs by monitoring a state of the first external electronic device when a band change event occurs, determining a target frequency band based on the band change event
  • the operation of monitoring the state of the first external electronic device (eg, the first external electronic device 102 of FIG. 2 ) to determine whether a band change event occurs may include: The operation may include determining a throughput threshold for generating a band change event based on the throughput of the electronic device.
  • the operation of determining the target frequency band based on the band change event includes a supportable frequency band of an electronic device (eg, the electronic device 101 of FIG. 2 ) and a first determining a changeable frequency band based on a supportable frequency band of an external electronic device (eg, the first external electronic device 102 of FIG. 2 ); and determining, as a target frequency band, a next higher frequency band or a different lower frequency band based on the first frequency band based on a band change event among the changeable frequency bands.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Databases & Information Systems (AREA)
  • Telephone Function (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un dispositif électronique qui, selon un mode de réalisation, comprend : un module de communication ; une mémoire ayant des instructions exécutables par ordinateur stockées dans celle-ci ; et un processeur pour exécuter les instructions en accédant à la mémoire, les instructions étant configurées de sorte que, si le dispositif électronique est connecté à un premier dispositif électronique externe au niveau d'une première bande de fréquences par l'intermédiaire du module de communication fonctionnant en tant que point d'accès, les bandes de fréquences prises en charge par le dispositif électronique soient identifiées, les bandes de fréquences prises en charge par le premier dispositif électronique externe soient identifiées et l'état du premier dispositif électronique externe soit surveillé, de sorte que, lors de l'apparition d'un événement de commutation de bande, une bande de fréquences cible soit déterminée sur la base de l'événement de commutation de bande et la bande de fréquences pour communiquer avec le premier dispositif électronique externe soit commutée, de la première bande de fréquences à la bande de fréquences cible. L'invention permet aussi divers autres modes de réalisation.
PCT/KR2022/003970 2021-04-14 2022-03-22 Dispositif électronique fournissant un point d'accès sans fil mobile et son procédé de fonctionnement WO2022220424A1 (fr)

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KR10-2021-0048442 2021-04-14
KR1020210048442A KR20220142098A (ko) 2021-04-14 2021-04-14 모바일 핫스팟을 제공하는 전자 장치 및 그의 동작 방법

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150065157A1 (en) * 2013-08-30 2015-03-05 Qualcomm Incorporated Reverse channel switch request from stations to access points for lte/wi-fi coexistence
US20160219589A1 (en) * 2015-01-28 2016-07-28 Alcatel-Lucent Usa Inc. Allocation of unlicensed frequency bands for a wireless hotspot
US20170041935A1 (en) * 2015-08-05 2017-02-09 Hewlett Packard Enterprise Development Lp Switching frequency band of radio of access point
US20190149999A1 (en) * 2016-11-02 2019-05-16 Motorola Mobility Llc Method and apparatus for operating a device on a licensed spectrum and an unlicensed spectrum
US20190364566A1 (en) * 2018-05-23 2019-11-28 Google Llc Intelligent Band Selection for Wireless Access Point

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150065157A1 (en) * 2013-08-30 2015-03-05 Qualcomm Incorporated Reverse channel switch request from stations to access points for lte/wi-fi coexistence
US20160219589A1 (en) * 2015-01-28 2016-07-28 Alcatel-Lucent Usa Inc. Allocation of unlicensed frequency bands for a wireless hotspot
US20170041935A1 (en) * 2015-08-05 2017-02-09 Hewlett Packard Enterprise Development Lp Switching frequency band of radio of access point
US20190149999A1 (en) * 2016-11-02 2019-05-16 Motorola Mobility Llc Method and apparatus for operating a device on a licensed spectrum and an unlicensed spectrum
US20190364566A1 (en) * 2018-05-23 2019-11-28 Google Llc Intelligent Band Selection for Wireless Access Point

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