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WO2020141640A1 - Dispositif électronique - Google Patents

Dispositif électronique Download PDF

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Publication number
WO2020141640A1
WO2020141640A1 PCT/KR2019/000114 KR2019000114W WO2020141640A1 WO 2020141640 A1 WO2020141640 A1 WO 2020141640A1 KR 2019000114 W KR2019000114 W KR 2019000114W WO 2020141640 A1 WO2020141640 A1 WO 2020141640A1
Authority
WO
WIPO (PCT)
Prior art keywords
signal
mobile terminal
processor
beamforming
electronic device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2019/000114
Other languages
English (en)
Korean (ko)
Inventor
정정윤
신치호
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Priority to PCT/KR2019/000114 priority Critical patent/WO2020141640A1/fr
Publication of WO2020141640A1 publication Critical patent/WO2020141640A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/27—Monitoring; Testing of receivers for locating or positioning the transmitter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0408—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management

Definitions

  • the present invention relates to an electronic device capable of providing an artificial intelligence service based on a user's location by obtaining a distance from an external device based on RTT and determining an external device's location based on RSSI.
  • Artificial intelligence is a field of computer science and information technology that studies how computers can do thinking, learning, and self-development that human intelligence can do. It means to be able to imitate.
  • the conventional method for locating a mobile terminal is limited to recognizing a distance based on RSSI or measuring a location based on RTT.
  • the RSSI-based distance recognition method has a large error due to surrounding environments, places and obstacles, and the movement of a mobile terminal, and the RTT-based location measurement method requires at least three devices.
  • the present invention is to solve the above-described problem, the object of the present invention is to obtain a distance from an external device based on RTT and determine the location of the external device by obtaining the direction of the external device based on RSSI, based on user location This is to provide an electronic device capable of providing artificial intelligence services.
  • An electronic device that transmits and receives a wireless signal, and transmits a first signal to the outside and uses a response signal for the first signal based on RTT to establish a connection with the mobile terminal. Acquiring a distance, transmitting a beamforming signal in a plurality of directions, obtaining a direction of the mobile terminal using a response signal to the beamforming signal based on RSSI, and using the distance and the direction to the mobile terminal It includes a processor that provides services for.
  • An operation method of an electronic device includes transmitting a first signal to the outside, obtaining a distance from a mobile terminal by using a response signal to the first signal based on RTT, a plurality of Transmitting a beamforming signal in a direction, obtaining a direction of the mobile terminal using a response signal to the beamforming signal based on RSSI, and service for the mobile terminal using the distance and the direction It includes the steps of providing.
  • the present invention combines RSSI and RTT to determine the location of the mobile terminal, it minimizes errors due to surrounding environment, obstacles, movement of the mobile terminal, etc., and has the advantage that the electronic device alone can locate the mobile terminal. In addition, due to these advantages, the present invention can be particularly efficiently used in a house having a complicated structure and many obstacles.
  • the present invention has an advantage that can provide a user-customized service by receiving information about the user during automatic connection.
  • the beamforming signal is transmitted in a plurality of directions to determine the direction of the mobile terminal, the greater the distance between the electronic device and the mobile terminal, the greater the error in direction.
  • the beamforming signal is transmitted while forming a dense angle, so that the error increases as the distance increases.
  • a second beamforming signal is transmitted between two directions having a large received signal sensitivity and the direction is determined using the second beamforming signal.
  • the beamforming signal is transmitted in a plurality of directions to determine the direction of the mobile terminal, the greater the distance between the electronic device and the mobile terminal, the greater the error in direction.
  • the beamforming signal is additionally transmitted to measure the direction, so that the error can be prevented from increasing as the distance increases.
  • the measurement error is small when the distance is close, even in this case, when the beamforming signal is additionally transmitted, a delay is caused and the effect of reducing the measurement error may be insignificant. Therefore, the shorter the distance is, the less the number of beamforming signals are transmitted, which has the advantage of quickly determining the direction of the mobile terminal.
  • connection can be automatically established by detecting the access of the mobile terminal.
  • FIG. 1A is a block diagram illustrating a terminal related to the present invention.
  • 1B is a block diagram illustrating an electronic device related to the present invention.
  • FIG. 2 is a view for explaining a method of operating an electronic device according to an embodiment of the present invention.
  • FIG. 3 is a diagram for explaining a method of obtaining a distance from a mobile terminal based on RTT according to an embodiment of the present invention.
  • FIG. 4 is a diagram for explaining a method of obtaining a direction of a mobile terminal based on RSSI according to an embodiment of the present invention.
  • FIG. 5 is a diagram for explaining a method of obtaining a direction of a mobile terminal based on RSSI according to another embodiment of the present invention.
  • FIG. 6 is a view for explaining a method for automatically establishing a connection with a mobile terminal according to an embodiment of the present invention.
  • FIG. 7 is a view for explaining a method of providing a service for a mobile terminal according to an embodiment of the present invention.
  • the terminals described herein include mobile phones, smart phones, laptop computers, digital broadcasting terminals, personal digital assistants (PDAs), portable multimedia players (PMPs), navigation, and slate PCs. It may include a tablet PC (tablet PC), ultrabook (ultrabook), wearable device (wearable device, for example, a watch-type terminal (smartwatch), glass-type terminal (smart glass), HMD (head mounted display), etc. .
  • PDAs personal digital assistants
  • PMPs portable multimedia players
  • slate PCs slate PC
  • It may include a tablet PC (tablet PC), ultrabook (ultrabook), wearable device (wearable device, for example, a watch-type terminal (smartwatch), glass-type terminal (smart glass), HMD (head mounted display), etc.
  • FIG. 1A is a block diagram illustrating a terminal related to the present invention.
  • the terminal 100 may also be applied to a fixed terminal such as a smart TV, a desktop computer, and a digital signage.
  • the terminal 100 may be applied to a fixed or movable robot.
  • the terminal 100 may perform the function of a voice agent.
  • the voice agent may be a program that recognizes a user's voice and outputs a response suitable for the recognized user's voice as a voice.
  • the terminal 100 includes a wireless communication unit 110, an input unit 120, a running processor 130, a sensing unit 140, an output unit 150, an interface unit 160, a memory 170, a processor 180, and It may include a power supply 190.
  • the wireless communication unit 110 may include at least one of a broadcast receiving module 111, a mobile communication module 112, a wireless Internet module 113, a short-range communication module 114, and a location information module 115.
  • the broadcast receiving module 111 receives a broadcast signal and/or broadcast related information from an external broadcast management server through a broadcast channel.
  • the mobile communication module 112 includes technical standards or communication methods for mobile communication (eg, Global System for Mobile Communication (GSM), Code Division Multi Access (CDMA), Code Division Multi Access 2000 (CDMA2000), EV -Enhanced Voice-Data Optimized or Enhanced Voice-Data Only (DO), Wideband CDMA (WCDMA), High Speed Downlink Packet Access (HSDPA), High Speed Uplink Packet Access (HSUPA), Long Term Evolution (LTE), LTE-A (Long Term Evolution-Advanced) transmits and receives wireless signals to and from at least one of a base station, an external terminal, and a server on a mobile communication network constructed according to (Long Term Evolution-Advanced).
  • GSM Global System for Mobile Communication
  • CDMA Code Division Multi Access
  • CDMA2000 Code Division Multi Access 2000
  • WCDMA Wideband CDMA
  • HSDPA High Speed Downlink Packet Access
  • HSUPA High Speed Uplink Packet Access
  • the wireless Internet module 113 refers to a module for wireless Internet access, and may be built in or external to the terminal 100.
  • the wireless Internet module 113 is configured to transmit and receive wireless signals in a communication network according to wireless Internet technologies.
  • Wireless Internet technologies include, for example, WLAN (Wireless LAN), Wi-Fi (Wireless-Fidelity), Wi-Fi (Wireless Fidelity) Direct, DLNA (Digital Living Network Alliance), WiBro (Wireless Broadband), WiMAX (World) Interoperability for Microwave Access (HSDPA), High Speed Downlink Packet Access (HSDPA), High Speed Uplink Packet Access (HSUPA), Long Term Evolution (LTE), and Long Term Evolution-Advanced (LTE-A).
  • WLAN Wireless LAN
  • Wi-Fi Wireless-Fidelity
  • Wi-Fi Wireless Fidelity
  • Direct Wireless Internet technologies
  • DLNA Digital Living Network Alliance
  • WiBro Wireless Broadband
  • WiMAX Worldwide Interoperability for Microwave Access
  • HSDPA High Speed Downlink Packet Access
  • HSUPA High Speed Uplink Packet Access
  • LTE Long Term Evolution
  • LTE-A Long Term Evolution-Advanced
  • the short-range communication module 114 is for short-range communication, BluetoothTM, Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra Wideband (UWB), ZigBee, NFC (Near Field Communication), Wi-Fi (Wireless-Fidelity), Wi-Fi Direct, Wireless USB (Wireless Universal Serial Bus) using at least one of the technology, it can support short-range communication.
  • RFID Radio Frequency Identification
  • IrDA Infrared Data Association
  • UWB Ultra Wideband
  • ZigBee ZigBee
  • NFC Near Field Communication
  • Wi-Fi Wireless-Fidelity
  • Wi-Fi Direct Wireless USB (Wireless Universal Serial Bus) using at least one of the technology, it can support short-range communication.
  • the location information module 115 is a module for acquiring a location (or current location) of a mobile terminal, and typical examples thereof include a Global Positioning System (GPS) module or a Wireless Fidelity (WiFi) module.
  • GPS Global Positioning System
  • WiFi Wireless Fidelity
  • the terminal utilizes a GPS module, the location of the mobile terminal can be acquired using a signal sent from a GPS satellite.
  • the input unit 120 may include a camera 121 for inputting a video signal, a microphone 122 for receiving an audio signal, and a user input unit 123 for receiving information from a user.
  • the voice data or image data collected by the input unit 120 may be analyzed and processed by a user's control command.
  • the input unit 120 is for input of image information (or signals), audio information (or signals), data, or information input from a user.
  • the terminal 100 includes one or more cameras It may be provided with (121).
  • the camera 121 processes image frames such as still images or moving pictures obtained by an image sensor in a video call mode or a shooting mode.
  • the processed image frame may be displayed on the display unit 151 or stored in the memory 170.
  • the microphone 122 processes external sound signals as electrical voice data.
  • the processed voice data may be used in various ways according to a function (or a running application program) being performed by the terminal 100. Meanwhile, various noise reduction algorithms for removing noise generated in the process of receiving an external sound signal may be implemented in the microphone 122.
  • the user input unit 123 is for receiving information from a user. When information is input through the user input unit 123,
  • the processor 180 may control the operation of the terminal 100 to correspond to the inputted information.
  • the user input unit 123 is a mechanical input means (or a mechanical key, for example, a button located on the front or rear or side of the terminal 100, a dome switch, a jog wheel, a jog switch, etc.) ) And a touch-type input means.
  • the touch-type input means is made of a virtual key, a soft key or a visual key displayed on the touch screen through software processing, or a part other than the touch screen It may be made of a touch key (touch key) disposed on.
  • the learning processor 130 may be configured to receive, classify, store, and output information to be used for data mining, data analysis, intelligent decision making, and machine learning algorithms and techniques.
  • the learning processor 130 may be received, detected, detected, generated, predefined, or otherwise output by the terminal or communicated with other components, devices, terminals, or terminals in a received, detected, detected, generated, predefined, or otherwise manner It may include one or more memory units configured to store data output by the device.
  • the learning processor 130 may include a memory integrated or implemented in a terminal. In some embodiments, the learning processor 130 may be implemented using the memory 170.
  • the learning processor 130 may be implemented using memory associated with the terminal, such as external memory coupled directly to the terminal or memory maintained in a server communicating with the terminal.
  • the learning processor 130 may be implemented using memory maintained in a cloud computing environment, or other remote memory location accessible by a terminal through a communication method such as a network.
  • the learning processor 130 typically includes one or more databases for identifying, indexing, categorizing, manipulating, storing, retrieving, and outputting data for use in supervised or unsupervised learning, data mining, predictive analytics, or other machines. It can be configured to store on.
  • the information stored in the learning processor 130 can be utilized by one or more other controllers of the processor 180 or terminal using any of a variety of different types of data analysis algorithms and machine learning algorithms.
  • fuzzy logic e.g probability theory
  • neural networks Boltzmann machines, vector quantization, pulse neural networks, support vector machines, maximum margin classifier, hill climbing, inductive logic system Bayesian network , Peritnet (e.g. finite state machine, milli machine, Moore finite state machine), classifier tree (e.g. perceptron tree, support vector tree, Markov tree, decision tree forest, random forest), stake models and systems, artificial Convergence, sensor fusion, image fusion, reinforcement learning, augmented reality, pattern recognition, automated planning, and more.
  • fuzzy logic eg probability theory
  • neural networks Boltzmann machines, vector quantization, pulse neural networks, support vector machines, maximum margin classifier, hill climbing, inductive logic system Bayesian network , Peritnet (e.g. finite state machine, milli machine, Moore finite state machine), classifier tree (e.g. perceptron tree, support vector tree, Markov tree, decision tree forest, random forest), stake models and systems, artificial Convergence, sensor fusion, image fusion
  • the processor 180 may determine or predict at least one executable action of the terminal based on the generated information, or determined using data analysis and machine learning algorithms. To this end, the processor 180 may request, search, receive, or utilize data of the learning processor 130, and may use the terminal to perform a predicted operation or an operation determined to be preferable among the at least one executable operation. Can be controlled.
  • the processor 180 may perform various functions for implementing intelligent emulation (ie, a knowledge-based system, a reasoning system, and a knowledge acquisition system). It can be applied to various types of systems (eg, fuzzy logic systems), including adaptive systems, machine learning systems, artificial neural networks, and the like.
  • intelligent emulation ie, a knowledge-based system, a reasoning system, and a knowledge acquisition system. It can be applied to various types of systems (eg, fuzzy logic systems), including adaptive systems, machine learning systems, artificial neural networks, and the like.
  • the processor 180 also involves speech and natural language speech processing, such as an I/O processing module, an environmental condition module, a speech-to-text (STT) processing module, a natural language processing module, a work flow processing module, and a service processing module. It may include sub-modules that enable calculation.
  • speech and natural language speech processing such as an I/O processing module, an environmental condition module, a speech-to-text (STT) processing module, a natural language processing module, a work flow processing module, and a service processing module. It may include sub-modules that enable calculation.
  • Each of these sub-modules can have access to one or more systems or data and models at the terminal, or a subset or superset thereof.
  • each of these sub-modules can provide various functions, including vocabulary index, user data, work flow model, service model, and automatic speech recognition (ASR) system.
  • ASR automatic speech recognition
  • processor 180 or terminal may be implemented with the submodules, systems, or data and models.
  • the processor 180 may be configured to detect and detect requirements based on the user's intention or contextual conditions expressed in user input or natural language input.
  • the processor 180 may actively derive and acquire information necessary to completely determine a requirement based on a context condition or a user's intention. For example, the processor 180 may actively derive information necessary to determine a requirement by analyzing historical data including historical input and output, pattern matching, unambiguous words, and input intention.
  • the processor 180 may determine a task flow for executing a function that responds to a requirement based on a context condition or a user's intention.
  • the processor 180 collects, detects, extracts, and detects signals or data used in data analysis and machine learning operations through one or more sensing components in the terminal, in order to collect information for processing and storage in the learning processor 130 And/or receive.
  • Collecting information may include sensing information through a sensor, extracting information stored in the memory 170, or receiving information from another terminal, entity, or external storage device through communication means.
  • the processor 180 may collect and store usage history information in the terminal.
  • the processor 180 may use the stored usage history information and predictive modeling to determine the best match for executing a specific function.
  • the processor 180 may receive or sense surrounding environment information or other information through the sensing unit 140.
  • the processor 180 may receive a broadcast signal and/or broadcast-related information, a radio signal, and radio data through the radio communication unit 110.
  • the processor 180 may receive image information (or a corresponding signal), audio information (or a corresponding signal), data, or user input information from the input unit 120.
  • the processor 180 collects information in real time, processes or classifies information (for example, a knowledge graph, command policy, personalization database, conversation engine, etc.), and processes the processed information in the memory 170 or the learning processor 130 ).
  • information for example, a knowledge graph, command policy, personalization database, conversation engine, etc.
  • the processor 180 can control the components of the terminal to perform the determined operation. In addition, the processor 180 may perform the determined operation by controlling the terminal according to the control command.
  • the processor 180 analyzes historical information indicating execution of a specific operation through data analysis and machine learning algorithms and techniques, and performs updating of previously learned information based on the analyzed information. Can.
  • the processor 180 may improve the accuracy of future performance of data analysis and machine learning algorithms and techniques based on the updated information along with the learning processor 130.
  • the sensing unit 140 may include one or more sensors for sensing at least one of information in the mobile terminal, surrounding environment information surrounding the mobile terminal, and user information.
  • the sensing unit 140 includes a proximity sensor 141, an illumination sensor 142, a touch sensor, an acceleration sensor, a magnetic sensor, and gravity G-sensor, gyroscope sensor, motion sensor, RGB sensor, infrared sensor (IR sensor), fingerprint scan sensor, ultrasonic sensor , Optical sensor (e.g., camera (see 121)), microphone (refer to 122), battery gauge, environmental sensor (e.g. barometer, hygrometer, thermometer, radioactivity sensor, Thermal sensor, gas sensor, etc.), and a chemical sensor (eg, an electronic nose, a health care sensor, a biometric sensor, etc.).
  • the mobile terminal disclosed in the present specification may combine and use information sensed by at least two or more of these sensors.
  • the output unit 150 is for generating output related to vision, hearing, or tactile sense, and includes at least one of a display unit 151, an audio output unit 152, a hap tip module 153, and an optical output unit 154 can do.
  • the display unit 151 displays (outputs) information processed by the terminal 100.
  • the display unit 151 may display execution screen information of an application program driven by the terminal 100, or UI (User Interface) or GUI (Graphic User Interface) information according to the execution screen information.
  • UI User Interface
  • GUI Graphic User Interface
  • the display unit 151 may form a mutual layer structure with the touch sensor or may be integrally formed, thereby realizing a touch screen.
  • the touch screen may function as a user input unit 123 that provides an input interface between the terminal 100 and the user, and at the same time, provide an output interface between the terminal 100 and the user.
  • the audio output unit 152 may output audio data received from the wireless communication unit 110 or stored in the memory 170 in a call signal reception, call mode or recording mode, voice recognition mode, broadcast reception mode, or the like.
  • the audio output unit 152 may include at least one of a receiver, a speaker, and a buzzer.
  • the haptic module 153 generates various tactile effects that the user can feel.
  • a typical example of the tactile effect generated by the haptic module 153 may be vibration.
  • the light output unit 154 outputs a signal for notifying the occurrence of an event using the light of the light source of the terminal 100.
  • Examples of events generated in the terminal 100 may include receiving messages, receiving call signals, missed calls, alarms, schedule notifications, receiving emails, and receiving information through applications.
  • the interface unit 160 serves as a passage with various types of external devices connected to the terminal 100.
  • the interface unit 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 input/output (I/O) port, a video input/output (I/O) port, and an earphone port.
  • I/O audio input/output
  • I/O video input/output
  • earphone port an earphone port
  • the identification module is a chip that stores various information for authenticating the usage rights of the terminal 100, a user identification module (UIM), a subscriber identity module (SIM), and a universal user authentication module (universal subscriber identity module; USIM).
  • the device provided with the identification module (hereinafter referred to as an'identification device') may be manufactured in a smart card format. Accordingly, the identification device may be connected to the terminal 100 through the interface unit 160.
  • the memory 170 stores data supporting various functions of the terminal 100.
  • the memory 170 is a plurality of application programs (application programs or applications) running in the terminal 100, data for the operation of the terminal 100, instructions, data for the operation of the running processor 130 Fields (eg, at least one algorithm information for machine learning, etc.).
  • the processor 180 controls the overall operation of the terminal 100 in addition to the operations related to the application program.
  • 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 FIG. 1A in order to drive an application program stored in the memory 170. Furthermore, the processor 180 may operate by combining at least two or more of the components included in the terminal 100 for driving the application program.
  • the power supply unit 190 receives external power and internal power to supply power to each component included in the terminal 100.
  • the power supply unit 190 includes a battery, and the battery may be a built-in battery or a replaceable battery.
  • the processor 180 controls the operation related to the application program and generally the overall operation of the terminal 100. For example, when the state of the mobile terminal satisfies a set condition, the processor 180 may execute or release a lock state that restricts input of a user's control command to applications.
  • 1B is a diagram for describing an electronic device according to an embodiment of the present invention.
  • the electronic device according to an embodiment of the present invention is a display device.
  • the present disclosure is not limited thereto, and the electronic device according to an embodiment of the present invention may be applied to electronic devices capable of transmitting a wireless signal and a beam forming signal.
  • An electronic device is, for example, an intelligent electronic device in which a computer support function is added to a broadcast reception function, while an Internet function or the like is added while faithful to the broadcast reception function, a handwritten input device, a touch screen Or, it may have a more convenient interface such as a space remote control. And, it is connected to the Internet and a computer with the support of a wired or wireless Internet function, and it is also possible to perform functions such as email, web browsing, banking, or games.
  • a standardized general-purpose OS can be used for these various functions.
  • the electronic device described in the present invention can be freely added or deleted in various applications, for example, on a general-purpose OS kernel, various user-friendly functions can be performed.
  • the electronic device may be, for example, a network TV, an HBBTV, a smart TV, an LED TV, or an OLED TV, and may be applied to a smartphone in some cases.
  • the electronic device 200 includes a broadcast receiving unit 230, an external device interface unit 235, a storage unit 240, a user input interface unit 250, a control unit 270, and a local area communication unit 273. , A display unit 280, an audio output unit 285, and a power supply unit 290.
  • the broadcast reception unit 230 may include a tuner 231, a demodulation unit 232, and a network interface unit 233.
  • the tuner 231 may select a specific broadcast channel according to a channel selection command.
  • the tuner 231 may receive a broadcast signal for a selected specific broadcast channel.
  • the demodulator 232 may separate the received broadcast signal into a video signal, an audio signal, and a data signal related to a broadcast program, and restore the separated video signal, audio signal, and data signal to a form capable of output.
  • the external device interface unit 235 may receive an application or a list of applications in an adjacent external device, and transmit it to the control unit 270 or the storage unit 240.
  • the external device interface unit 235 may provide a connection path with the external device.
  • the external device interface 235 may receive one or more of video and audio output from the external device, and transmit them to the controller 270.
  • the external device connectable to the external device interface unit 235 may be any one of a set top box, a Blu-ray player, a DVD player, a game machine, a sound bar, a smartphone, a PC, a USB memory, and a home theater.
  • the network interface unit 233 may provide an interface for connecting the electronic device 200 to a wired/wireless network including an Internet network.
  • the network interface unit 233 may transmit or receive data with other users or other electronic devices through a connected network or another network linked to the connected network.
  • some content data stored in the electronic device 200 may be transmitted to another user registered in advance in the electronic device 200 or to a selected user or selected electronic device among other electronic devices.
  • the network interface unit 233 may access a predetermined web page through a connected network or another network linked to the connected network. That is, it is possible to connect to a predetermined web page through a network and transmit or receive data with the corresponding server.
  • the network interface unit 233 may receive content or data provided by a content provider or a network operator. That is, the network interface unit 233 may receive content such as a movie, advertisement, game, VOD, broadcast signal, and related information provided by a content provider or a network provider through a network.
  • the network interface unit 233 may receive update information and update files of firmware provided by a network operator, and may transmit data to the Internet or a content provider or a network operator.
  • the network interface unit 233 may select and receive a desired application from among applications that are open to the public through a network.
  • the storage unit 240 may store programs for each signal processing and control in the control unit 270, and store a signal-processed image, audio, or data signal.
  • the storage unit 240 may perform a function for temporarily storing an image, audio, or data signal input from the external device interface unit 235 or the network interface unit 233, and is predetermined through a channel memory function. You can also store information about the image.
  • the storage unit 240 may store an application or application list input from the external device interface unit 235 or the network interface unit 233.
  • the electronic device 200 may play a content file (video file, still image file, music file, document file, application file, etc.) stored in the storage unit 240 and provide it to the user.
  • a content file video file, still image file, music file, document file, application file, etc.
  • the user input interface unit 250 may transmit a signal input by the user to the control unit 270 or a signal from the control unit 270 to the user.
  • the user input interface unit 250 may be configured according to various communication methods such as Bluetooth, Ultra Wideband (WB), ZigBee, Radio Frequency (RF) communication, or IR (IR) communication.
  • a control signal such as power on/off, channel selection, screen setting, etc. may be received and processed from the remote control device, or a control signal from the control unit 270 may be transmitted to the remote control device.
  • the user input interface unit 250 may transmit a control signal input from a local key (not shown) such as a power key, a channel key, a volume key, and a set value to the control unit 270.
  • a local key such as a power key, a channel key, a volume key, and a set value
  • the image signal processed by the control unit 270 may be input to the display unit 280 and displayed as an image corresponding to the corresponding image signal. Also, the image signal processed by the control unit 270 may be input to an external output device through the external device interface unit 235.
  • the audio signal processed by the control unit 270 may be audio output to the audio output unit 285.
  • the voice signal processed by the control unit 270 may be input to the external output device through the external device interface unit 235.
  • controller 270 may control the overall operation in the electronic device 200.
  • control unit 270 may control the electronic device 200 by a user command or an internal program input through the user input interface unit 250, and access the network to display a list of applications or applications desired by the user. It can be made available for download within (200).
  • the control unit 270 allows the channel information or the like selected by the user to be output through the display unit 280 or the audio output unit 285 together with the processed image or audio signal.
  • control unit 270 according to an external device image playback command received through the user input interface unit 250, from an external device input through the external device interface unit 235, for example, a camera or a camcorder,
  • the video signal or the audio signal can be output through the display unit 280 or the audio output unit 285.
  • control unit 270 may control the display unit 280 to display an image, for example, a broadcast image input through the tuner 231, or an external input input through the external device interface unit 235.
  • the image or an image input through the network interface unit or an image stored in the storage unit 240 may be controlled to be displayed on the display unit 280.
  • the image displayed on the display unit 280 may be a still image or a video, and may be a 2D image or a 3D image.
  • control unit 270 may control content stored in the electronic device 200 or received broadcast content, external input content input from the outside to be played, and the content may be broadcast video, external input video, audio file , Still images, connected web screens, and document files.
  • the short-range communication unit 273 may communicate with an external device through wired or wireless communication.
  • the short-range communication unit 273 may perform short-range communication with an external device.
  • the short-range communication unit 273 includes Bluetooth (BluetoothTM), Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra Wideband (UWB), ZigBee, Near Field Communication (NFC), Wi-Fi By using at least one of (Wireless-Fidelity), Wi-Fi Direct, and Wireless USB (Wireless Universal Serial Bus) technology, short-range communication can be supported.
  • the short-range communication unit 273 may be provided between the electronic device 200 and a wireless communication system, between the electronic device 200 and another electronic device 200, or through the electronic device 200 through wireless area networks.
  • the electronic device 200 or an external server may support wireless communication between networks.
  • the wireless local area network may be wireless personal area networks.
  • the other electronic device 200 is a wearable device capable of exchanging data with the electronic device 200 according to the present invention (or interoperable), for example, a smartwatch, a smart glass (smart glass), HMD (head mounted display), can be a mobile terminal such as a smart phone.
  • the short-range communication unit 273 may detect (or recognize) a wearable device capable of communication in the vicinity of the electronic device 200.
  • the control unit 270 may transmit at least a portion of data processed by the electronic device 200 to the short-range communication unit 273. It can be transmitted to the wearable device. Therefore, a user of the wearable device can use data processed by the electronic device 200 through the wearable device.
  • the display unit 280 converts the image signal, data signal, OSD signal, or image signal received from the external device interface unit 235 processed by the control unit 270 into R, G, and B signals, respectively, and then drives them. You can generate a signal.
  • the electronic device 200 shown in FIG. 1B is only an embodiment of the present invention. Some of the illustrated components may be integrated, added, or omitted according to specifications of the electronic device 200 that is actually implemented.
  • the electronic device 200 does not have a tuner 231 and a demodulator 232, as shown in FIG. 1B, and has a network interface 233 or an external device interface ( 235) may be received and reproduced.
  • the electronic device 200 is divided into an image processing device such as a set-top box for receiving broadcast signals or contents according to various network services, and a content playback device for playing content input from the image processing device. Can be implemented.
  • an image processing device such as a set-top box for receiving broadcast signals or contents according to various network services
  • a content playback device for playing content input from the image processing device. Can be implemented.
  • short-range communication unit 273 may be used interchangeably with the term wireless communication unit 273.
  • controller 2740 may be used interchangeably with terms such as a processor, a microprocessor, a controller, and a microcontroller.
  • the configuration and function of the electronic device 200 are not limited to those described with reference to FIG. 1B, and some or all of the configuration and function of the mobile terminal 100 described with reference to FIG. 1A may be mounted on the electronic device 200.
  • FIG. 2 is a view for explaining a method of operating an electronic device according to an embodiment of the present invention.
  • the operation method of the electronic device 200 includes transmitting a first signal to the outside (S210), and obtaining a distance from the mobile terminal using a response signal for the first signal based on RTT Step (S220), transmitting a beam forming signal in a plurality of directions (S230), obtaining a direction of a mobile terminal using a response to a beam forming signal based on RSSI (S240) and using distance and direction To provide a service for the mobile terminal (S250).
  • the step of transmitting the first signal to the outside (S210) and the step of obtaining the distance from the mobile terminal using the response signal for the first signal based on RTT (S220) will be described with reference to FIG. 3.
  • FIG. 3 is a diagram for explaining a method of obtaining a distance from a mobile terminal based on RTT according to an embodiment of the present invention.
  • the processor of the electronic device 200 transmits the first signal to the outside and uses the response signal for the first signal based on the RTT to determine the distance from the mobile terminal 100. Can be obtained.
  • Round Trip Time means round trip delay time.
  • RTT Random Trip Time
  • RTT may mean a round-trip time from when the signal is transmitted from the transmitting side and transmitted to the receiving side until the response signal reaches the transmitting side again.
  • the processor of the electronic device 200 may transmit the first signal 310.
  • the processor of the mobile terminal 100 that has received the first signal may transmit a response signal 320 to the first signal.
  • the processor of the electronic device 200 moves with the electronic device 200 by using the time taken from the time when the first signal is transmitted to the time when the response signal for the first signal is received and the speed of the first signal. The distance between the terminals 100 can be obtained.
  • the first signal and the response signal for the first signal may be signals of the same type (for example, both the first signal and the response signal for the first signal are Wi-Fi signals).
  • the processor of the electronic device 200 may measure a propagation delay to obtain a distance between the electronic device 200 and the mobile terminal 100.
  • the processor of the electronic device 200 is based on the round-trip delay time and the time required for the mobile terminal 100 to confirm receipt of the first signal. Propagation delay between the electronic device 200 and the mobile terminal 100. delay) can be measured. In addition, the processor of the electronic device 200 may obtain a distance between the electronic device 200 and the mobile terminal 100 using the propagation delay and the speed of the first signal.
  • the first signal and the first may be any one of signals used by the wireless communication unit 273 for wireless communication.
  • the first signal is Bluetooth (BluetoothTM), Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra Wideband (UWB), ZigBee, Near Field Communication (NFC), Wi-Fi ( Wireless-Fidelity), Wi-Fi Direct, and Wireless USB (Wireless Universal Serial Bus) signals.
  • FIG. 4 is a diagram for explaining a method of obtaining a direction of a mobile terminal based on RSSI according to an embodiment of the present invention.
  • the processor of the electronic device 200 may transmit a beam forming signal in a plurality of directions, and obtain a direction of the mobile terminal 100 by using a response signal for a beam forming signal based on RSSI.
  • RSSI Received signal strength indication
  • obtaining the direction of the mobile terminal based on the received signal strength indication means that the mobile terminal 100 receives the signal transmitted from the electronic device 200 and the signal received from the mobile terminal 100. It may mean that the direction of the mobile terminal 100 is obtained by using the received signal strength of.
  • the processor of the electronic device 200 may control the wireless communication unit to transmit beamforming signals 410, 420, 430, 440, 450, 460, 470, 480 in a plurality of directions.
  • the beamforming signal includes a first-first beamforming signal 410 in a first direction, a first-2 beamforming signal 420 in a second direction, and a first-3 beamforming signal 430 in a third direction.
  • 1-4th beamforming signal 440 in the 4th direction 1-5th beamforming signal 450 in the 5th direction, 1-6th beamforming signal 460 in the 6th direction, 7th direction
  • the 1-7th beamforming signal 470 of the 1-8th beamforming signal 480 in the eighth direction may be included.
  • each of the plurality of beamforming signals 410, 420, 430, 440, 450, 460, 470, and 480 may have the same angle with which adjacent beamforming signals are formed.
  • the angle formed by the first-first beamforming signal 410 in the first direction and the first-2 beamforming signal 420 in the second direction is 45 degrees, and the first-2 beamforming in the second direction.
  • the angle formed by the signal 420 and the first-3 beamforming signal 430 in the third direction is 45 degrees, the first-3 beamforming signal 430 in the third direction and the first-4 in the fourth direction
  • the angle formed by the beamforming signal 440 may be 45 degrees.
  • each of the plurality of beamforming signals 410, 420, 430, 440, 450, 460, 470, and 480, each of the plurality of beamforming signals 410, 420, 430, 440, 450, 460, 470, 480 Information may be included.
  • the 1-1st beamforming signal 410 is the 1st-1 identification information unique to the 1st-1st beamforming signal
  • the 1st-2 beamforming signal 420 is the 1st-2nd beamforming signal unique. It may include the identification information of 1-2.
  • the processor of the mobile terminal 100 may receive a beamforming signal through a wireless communication unit. In this case, the processor of the mobile terminal 100 may acquire identification information included in the received beamforming signal. Also, the processor of the mobile terminal 100 may determine the received signal strength of the received beamforming signal.
  • the processor of the mobile terminal 100 receiving the beamforming signal may transmit a response signal to the received beamforming signal to the electronic device 200.
  • the response signal may include received signal strength and identification information of the received beamforming signal.
  • the mobile terminal 100 has a 1-8 beamforming signal 410, a 1-1 beamforming signal 410, a 1-2 beamforming signal 420, and a 1-3 beamforming signal ( 430).
  • the processor of the mobile terminal may transmit a response signal to the 1-8 beamforming signal 480 to the electronic device 200.
  • the response signal to the 1-8 beamforming signal 480 may include identification information of the 1-8 beamforming signal 480 and the received signal strength of the 1-8 beamforming signal 480.
  • the processor of the mobile terminal may transmit a response signal to the first-first beamforming signal 410 to the electronic device 200.
  • the response signal to the first-first beamforming signal 410 may include identification information of the first-first beamforming signal 410 and the received signal strength of the first-first beamforming signal 410.
  • the processor of the mobile terminal may transmit a response signal to the 1-2-2 beamforming signal 420 to the electronic device 200.
  • the response signal to the 1-2-2 beamforming signal 420 may include identification information of the 1-2 beamforming signal 420 and the received signal strength of the 1-2 beamforming signal 420.
  • the processor of the mobile terminal may transmit a response signal to the 1-3rd beamforming signal 430 to the electronic device 200.
  • the response signal to the 1-3 beamforming signal 430 may include identification information of the 1-3 beamforming signal 420 and the received signal strength of the 1-3 beamforming signal 430.
  • the processor of the electronic device 200 may acquire the direction of the mobile terminal 100 using a response signal to the beamforming signal.
  • the processor of the electronic device 200 may determine that the mobile terminal exists between two directions in which the received signal strength of the beam forming signal is greater among the plurality of directions in which the beam forcing signal is transmitted.
  • the received signal strength of the 1-8th beamforming signal 410 in the 8th direction is 3dBm
  • the received signal strength of the 1-1st beamforming signal 410 in the first direction is 8dBm
  • the second When the received signal strength of the 1-2 beamforming signal 420 is 10 dBm
  • the received signal strength of the 1-3 beamforming signal 430 in the third direction is 4 dBm
  • the processor of the electronic device 200 receives the beamforming signal. It may be determined that the mobile terminal is present between the first direction and the second direction in which the received signal strength is large.
  • the processor of the electronic device 200 may determine the direction of the mobile terminal based on the received signal strength in two directions where the received signal strength is large.
  • the processor of the electronic device 200 receives the received signal strength in the first direction and the received signal strength in the second direction It is possible to determine the direction of the mobile terminal corresponding to the ratio.
  • the received signal strength of the first-first beamforming signal 410 in the first direction is 9 dBm
  • the received signal strength of the first-2 beamforming signal 420 in the second direction is 6 dBm.
  • the first direction is 0 degrees and the second direction is 45 degrees.
  • the ratio of the received signal strength in the first direction and the received signal strength in the second direction is 9:6.
  • the processor of the electronic device 200 may determine that the mobile terminal is located in the 18 degree direction. That is, the ratio between the angle formed by the second direction and the 18 degree direction and the angle formed by the first direction and the 18 degree direction is 9:6 days, which is the same as the ratio of the received signal strength in the first direction and the received signal strength in the second direction. Can.
  • the processor of the electronic device 200 can determine the direction of the mobile terminal.
  • the processor of the electronic device 200 may determine the number of a plurality of directions for transmitting the beam forming signal based on the distance from the mobile terminal.
  • the processor of the electronic device 200 may transmit the first number of beamforming signals in the first number direction.
  • each of the first number of beamforming signals may have the same angle as an adjacent beamforming signal.
  • the processor of the electronic device 200 may transmit the second number of beamforming signals in a direction of a second number that is greater than the first number.
  • each of the second number of beamforming signals may have the same angle as an adjacent beamforming signal.
  • the processor of the electronic device 200 may transmit the 1-1 to 1-8 beamforming signals in eight directions.
  • an angle at which a specific beamforming signal forms with an adjacent beamforming signal may be 45 degrees.
  • the processor of the electronic device 200 may transmit the 1-1 to 1-12 beamforming signals in 12 directions.
  • an angle at which a specific beamforming signal forms with an adjacent beamforming signal may be 30 degrees.
  • the beamforming signal is transmitted in a plurality of directions to determine the direction of the mobile terminal, the greater the distance between the electronic device 200 and the mobile terminal 100, the greater the error in direction.
  • the beamforming signal is transmitted while forming a dense angle, so that the error increases as the distance increases.
  • FIG. 5 is a diagram for explaining a method of obtaining a direction of a mobile terminal based on RSSI according to another embodiment of the present invention.
  • the processor of the electronic device may transmit the second beamforming signal between two directions in which the received signal strength of the beamforming signal is large, and obtain a direction of the mobile terminal by using a response signal for the second beamforming signal based on RSSI. .
  • the processor of the electronic device 200 is second in the tenth direction between the first direction and the second direction.
  • the beamforming signal 510 may be transmitted.
  • the second beamforming signal 510 may include second identification information unique to the second beamforming signal.
  • the processor of the mobile terminal 100 may receive a second beamforming signal through a wireless communication unit. In this case, the processor of the mobile terminal 100 may acquire second identification information included in the received second beamforming signal. Also, the processor of the mobile terminal 100 may determine the received signal strength of the received second beam forming signal.
  • the processor of the mobile terminal 100 that has received the second beamforming signal may transmit a response signal to the received second beamforming signal to the electronic device 200.
  • the response signal may include received signal strength and second identification information of the received second beam forming signal.
  • the processor of the electronic device 200 may acquire the direction of the mobile terminal 100 using a response signal to the second beamforming signal.
  • the processor of the electronic device 200 is between'two directions having a large received signal strength among the plurality of first beamforming signals' and two directions having a large received signal strength among the ten directions in which the second beamforming signals are transmitted. It can be determined that the mobile terminal is present.
  • the received signal strength of the 1-8 beamforming signal 410 is 3 dBm
  • the received signal strength of the 1-1 beamforming signal 410 is 8 dBm
  • the received signal of the 1-2 beamforming signal 420 When the intensity is 10 dBm and the received signal strength of the 1-3 beamforming signal 430 is 4 dBm, the processor of the electronic device 200 is provided in a tenth direction between the first direction and the second direction where the received signal strength is large. 2 Beamforming signals can be transmitted.
  • the received signal strength of the second beamforming signal is 8.5 dBm.
  • the processor of the electronic device the'first direction (8dBm), the second direction (10dBm)' having a large received signal strength among the plurality of first beamforming signals and the tenth direction in which the second beamforming signal is transmitted (8.5 dBm), it may be determined that the mobile terminal exists between the second direction (10 dBm) and the tenth direction (8.5 dBm), where the received signal strength is large.
  • the processor of the electronic device 200 may determine the direction of the mobile terminal based on the received signal strengths in two directions where the received signal strength is large.
  • the processor of the electronic device 200 determines the direction of the mobile terminal corresponding to the ratio of the received signal strength in the second direction and the received signal strength in the tenth direction. Can.
  • the processor of the electronic device 200 controls the tenth direction between the first direction and the second direction. It has been described that the 2 beamforming signal 510 is transmitted.
  • the tenth direction may be a central direction between the first direction and the second direction.
  • the processor of the electronic device may transmit the second beamforming signal 510 in a central direction between two directions having a large reception sensitivity among the plurality of first beamforming signals.
  • the processor of the electronic device may transmit the second beamforming signal 510 in the direction of 22.5 degrees.
  • the second beamforming signal is transmitted between the two directions having high received signal sensitivity and the second beamforming signal is used.
  • the direction there is an advantage that can more accurately measure the direction of the mobile terminal.
  • the processor of the electronic device may determine to transmit the second beamforming signal 510 when the distance from the mobile terminal is greater than the first preset distance (a).
  • the processor of the electronic device may determine to transmit the second beamforming signal 510 when the distance to the mobile terminal is greater than 1 m.
  • the processor of the electronic device transmits the second beamforming signal 510 between two directions in which the received signal strength is greater among the plurality of first beamforming signals.
  • the processor of the electronic device may acquire the direction of the mobile terminal by using a response signal to the second beamforming signal 510 based on RSSI.
  • the processor of the electronic device is'two directions in which the reception sensitivity is high among the plurality of first beamforming signals' and Among the directions in which the second beamforming signal 510 is transmitted, the third beamforming signal 520 may be transmitted between two directions having high reception sensitivity.
  • the processor of the electronic device may determine to transmit the third beamforming signal 520 when the distance to the mobile terminal is greater than 2 m.
  • the processor of the electronic device may acquire the direction of the mobile terminal by using a response signal to the third beamforming signal 520.
  • the processor of the electronic device is in the direction in which the third beamforming signal 520 and the beamforming signal are transmitted.
  • the fourth beamforming signal 530 may be transmitted between directions closest to the third beamforming signal 520.
  • the processor of the electronic device may acquire a direction of the mobile terminal by using a response signal to the fourth beamforming signal 530.
  • the beamforming signal is transmitted in a plurality of directions to determine the direction of the mobile terminal, the greater the distance between the electronic device 200 and the mobile terminal 100, the greater the error in direction.
  • the beamforming signal is additionally transmitted to measure the direction, so that the error can be prevented from increasing as the distance increases.
  • the measurement error is small when the distance is close, even in this case, when the beamforming signal is additionally transmitted, a delay is caused and the effect of reducing the measurement error may be insignificant. Therefore, the shorter the distance is, the less the number of beamforming signals are transmitted, which has the advantage of quickly determining the direction of the mobile terminal.
  • an operation method of the electronic device 200 may include providing a service for a mobile terminal using a distance and a direction (S250 ).
  • the processor of the electronic device may acquire location information of the mobile terminal using a distance and a direction from the mobile terminal. Also, the processor of the electronic device may provide a service for the mobile terminal by using the location information of the mobile terminal.
  • FIG. 6 is a view for explaining a method for automatically establishing a connection with a mobile terminal according to an embodiment of the present invention.
  • the processor may establish a connection with the mobile terminal when the mobile terminal is located within a specific area 610 based on the distance to the mobile terminal and the direction of the mobile terminal.
  • the specific area 610 may mean an area within a specific range from the electronic device.
  • a user equipped with the mobile terminal 100 is in a kitchen.
  • the distance between the mobile terminal 100 and the electronic device 200 is 10 meters away.
  • the processor of the electronic device may not establish a connection with the mobile terminal.
  • the processor of the electronic device may output a message, "The connection is established when the electronic device is accessed.”
  • a user equipped with the mobile terminal 100 moves to the front of the electronic device 200, and the distance between the mobile terminal 100 and the electronic device 200 is 3 meters away. to be.
  • the processor of the electronic device may automatically establish a connection with the mobile terminal.
  • a user equipped with the mobile terminal 100 has moved to the side of the electronic device 200, and the distance between the mobile terminal 100 and the electronic device 200 is 3 meters away.
  • the processor of the electronic device may not establish a connection with the mobile terminal.
  • connection is automatically established may mean that the electronic device 200 and the mobile terminal 100 are connected without additional input in order to provide a service for the mobile terminal 100.
  • connection can be automatically established by detecting the access of the mobile terminal.
  • the processor of the electronic device may receive information about the user of the mobile terminal from the mobile terminal.
  • the processor of the electronic device may receive health information (blood pressure, body temperature, etc.) or medical information (hospital medical information, prescription drug information, etc.) of the user of the mobile terminal.
  • health information blood pressure, body temperature, etc.
  • medical information hospital medical information, prescription drug information, etc.
  • FIG. 7 is a view for explaining a method of providing a service for a mobile terminal according to an embodiment of the present invention.
  • the electronic device 200 may provide a service for the mobile terminal (ie, for a user equipped with the mobile terminal) based on information about the user received from the mobile terminal.
  • the information about the user may include the user's preference information (eg, preference channel, preference screen brightness, etc.).
  • the processor of the electronic device 200 may recommend the user's preferred channel or adjust the brightness of the screen.
  • the electronic device 200 may communicate with the air conditioner 400.
  • the processor of the electronic device 200 may transmit a command to control at least one of the wind strength and direction of the air conditioner based on the distance to the mobile terminal and the direction of the mobile terminal.
  • the command may include location information of the mobile terminal obtained based on the distance to the mobile terminal and the direction of the mobile terminal.
  • the command may include a control command for the wind strength and direction of the air conditioner.
  • the air conditioner 400 may control at least one of the wind strength and direction of the air conditioner based on the received location information.
  • the air conditioner 400 may perform control such as sending strong wind or sending weak wind to the position of the mobile terminal 100 (ie, to the user's location equipped with the mobile terminal).
  • the air conditioner 400 may control at least one of the wind strength and direction of the air conditioner based on the received control command.
  • the electronic device 200 may communicate with the directional speaker 300.
  • the processor of the electronic device 200 may transmit a command to control at least one of the magnitude and direction of the output sound of the directional speaker based on the distance to the mobile terminal and the direction of the mobile terminal.
  • the command may include location information of the mobile terminal obtained based on the distance to the mobile terminal and the direction of the mobile terminal.
  • the command may include a control command for the magnitude and direction of the output sound of the directional speaker.
  • the directional speaker 300 may control at least one of the magnitude and direction of the output sound based on the received location information.
  • the directional speaker 300 may perform control such as outputting a sound of a user's preferred size to the location of the mobile terminal 100 (ie, to the user's location equipped with the mobile terminal).
  • the directional speaker 300 may control at least one of the magnitude and direction of the output sound of the directional speaker 300 based on the received control command.
  • the processor of the electronic device receives information about the user of the mobile terminal from the mobile terminal when the connection with the mobile terminal is established.
  • the processor of the electronic device may transmit information about the user to the external device.
  • the external device may provide a service for the mobile terminal based on the location information of the mobile terminal and information about the user.
  • the air conditioner 400 may use the user's health information or medical information to determine that the user is in a cold. In this case, the air conditioner 400 may discharge wind by avoiding the position of the mobile terminal using the location information of the mobile terminal.
  • the present invention combines RSSI and RTT to determine the location of the mobile terminal, errors due to surrounding environment, obstacles, and movement of the mobile terminal are minimized, and the electronic device alone can locate the mobile terminal. .
  • the present invention can be particularly efficiently used in a house having a complicated structure and many obstacles.
  • the present invention has an advantage that can provide a user-customized service by receiving information about the user during automatic connection.
  • the above-described present invention can be embodied as computer readable codes on a medium on which a program is recorded.
  • the computer-readable medium includes all types of recording devices in which data that can be read by a computer system are stored. Examples of computer-readable media include a hard disk drive (HDD), solid state disk (SSD), silicon disk drive (SDD), ROM, RAM, CD-ROM, magnetic tape, floppy disk, and optical data storage device. There is this.
  • the computer may include a processor 180 of the terminal.

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

Abstract

L'invention concerne un dispositif électronique. Le dispositif électronique, selon un mode de réalisation de la présente invention, comprend : une unité de communication sans fil qui transmet et reçoit un signal sans fil ; et un processeur qui transmet un premier signal à l'extérieur, acquiert la distance à partir d'un terminal mobile sur la base du RTT en utilisant un signal de réponse pour le premier signal, transmet un signal de formation de faisceau dans une pluralité de directions, acquiert la direction du terminal mobile sur la base du RSSI en utilisant un signal de réponse pour le signal de formation de faisceau, et fournit un service pour le terminal mobile à l'aide de la distance et de la direction.
PCT/KR2019/000114 2019-01-03 2019-01-03 Dispositif électronique Ceased WO2020141640A1 (fr)

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