WO2023068488A1 - Uwb 통신 채널을 통한 측위 통신을 제공하는 휴대 전자 장치 - Google Patents
Uwb 통신 채널을 통한 측위 통신을 제공하는 휴대 전자 장치 Download PDFInfo
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- WO2023068488A1 WO2023068488A1 PCT/KR2022/009823 KR2022009823W WO2023068488A1 WO 2023068488 A1 WO2023068488 A1 WO 2023068488A1 KR 2022009823 W KR2022009823 W KR 2022009823W WO 2023068488 A1 WO2023068488 A1 WO 2023068488A1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
- G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
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- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/32—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data
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- H—ELECTRICITY
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- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/48—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for in-vehicle communication
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- H—ELECTRICITY
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- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
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Definitions
- the present disclosure relates to ultra wide band (UWB) communication technology used for positioning or localization (eg, location and/or distance measurement).
- UWB ultra wide band
- GPS global positioning system
- UWB communication UWB communication
- the portable electronic device of the user may acquire location information of the portable electronic device by performing UWB communication (or UWB ranging) with anchors supporting positioning.
- a portable electronic device may use a downlink time difference of arrival (TDoA) or an uplink TDoA scheme to acquire location information.
- TDoA downlink time difference of arrival
- uplink TDoA uplink TDoA scheme
- a portable electronic device may transmit a UWB signal to anchors.
- Each of the anchors may transmit time information (eg, timestamp) of the received UWB signal to the positioning server.
- the location determination server may measure a user's location based on time information received from anchors and location information on known anchors, and transmit the user's location information to a portable electronic device.
- anchors may each transmit a UWB signal to a portable electronic device.
- the portable electronic device may record time information on received UWB signals and measure the user's location based on the recorded time information and location information on known anchors.
- the metal structure of the vehicle acts as a shield to block UWB communication, which degrades the performance of UWB communication, thereby reducing navigation and location Tracking can be difficult.
- a user's portable electronic device based on whether a user's portable electronic device is located in a vehicle or adjacent to it, it is determined who to perform data communication for positioning between a UWB communication circuit provided in the electronic device and a UWB communication circuit installed in the vehicle. It is possible to provide an electronic device capable of accurately measuring a user's position without obstruction of a metal structure of a vehicle by determining the position of the user.
- an electronic device includes a first wireless communication circuit configured to perform ultra wide band (UWB) communication; a second wireless communication circuit configured to perform wireless communication different from the UWB communication; a memory configured to store instructions; and a processor configured to execute the instructions.
- the processor executes the instructions to perform first UWB communication for location detection with a plurality of first external electronic devices through a first UWB communication channel using the first wireless communication circuit, and While UWB communication is being performed, a first event corresponding to the handover of the location detection is detected from the electronic device to a second external electronic device, and based on the first event, a location through the first UWB communication channel is detected. Stop detection and transmit communication information to the second external electronic device using the second wireless communication circuit. The communication information is used by the second external electronic device for second UWB communication with the first external electronic devices.
- UWB ultra wide band
- the processor may execute the instructions to detect a second event corresponding to resumption of the first UWB communication while the second UWB communication is being performed, and, based on the second event, to detect the second UWB communication.
- the second wireless communication circuit may include a BLUETOOTH low energy (BLE) communication circuit.
- the processor executes the instructions, establishes a connection between the electronic device and the second external electronic device using the BLE communication circuit, detects the first event based on the connection establishment, and of the connection It may be further configured to detect the second event based on the end.
- BLE BLUETOOTH low energy
- the processor executes the instructions to obtain a signal strength value by measuring the strength of a radio frequency (RF) signal received from the second external electronic device through the second wireless communication circuit, and the signal strength value is Further configured to detect the first event based on being within a specified reference value, and detect the second event based on the signal strength value exceeding the reference value while the second UWB communication is being performed. It can be.
- RF radio frequency
- the processor executes the instructions to obtain a signal strength value by measuring the strength of a radio frequency (RF) signal received from the second wireless communication circuit, and based on a variation in the signal strength value, the second Recognizing a trend corresponding to the distance between the external electronic device and the electronic device, detecting the first event based on a decreasing trend of the trend, and detecting an increasing trend of the trend trend), it may be further configured to detect the second event.
- RF radio frequency
- the processor may execute the instructions to receive UWB signals from the first external electronic devices through the first UWB communication, and information on when the UWB signals were received and geographical location information of the first external electronic devices Based on, it may be further configured to determine the location of the electronic device.
- the processor by executing the instructions, transmits time information indicating a time point at which the second external electronic device receives UWB signals while the second UWB communication is being performed to the second external electronic device through the second wireless communication circuit.
- the electronic device may be further configured to determine a location of the second external electronic device based on the viewpoint information and the geographical location information of the first external electronic devices.
- the processor may be further configured to execute the instructions to receive location information of the second external electronic device from the second external electronic device through the second wireless communication circuit while the second UWB communication is being performed.
- the memory may be further configured to store applications, service modules, and UWB firmware.
- the processor may be further configured to execute the application and request positioning communication from the UWB firmware through the service module.
- the processor executes the UWB firmware to set a state of a channel for the first UWB communication to an active state so that the first UWB communication is performed in the first wireless communication circuit based on the request, and It may be further configured to transmit a message informing that the state of is set to the active state to the application.
- the processor executes the service module to transmit a message requesting termination of the first UWB communication to the UWB firmware based on the first event, thereby causing the UWB firmware to change the state of the channel to an idle state.
- the UWB firmware does not inform the application of the transition to the idle state, and a message requesting the start of the second UWB communication is sent to the second external electronic device by using the second wireless communication circuit. It can be configured to transmit to the device.
- the processor executes the service module to transmit a message requesting resumption of the first UWB communication to the UWB firmware based on the second event, so that the UWB firmware sets the state of the channel to the active state. and transmits a message requesting termination of the second UWB communication to the second external electronic device using the second wireless communication circuit.
- the processor may execute the instructions to include information received from the first external electronic devices in the communication information and transmit the communication information to the second external electronic device based on the establishment of the first UWB communication channel. More can be configured.
- an electronic device includes a first wireless communication circuit configured to perform UWB communication; a second wireless communication circuit configured to be used for wireless communication other than the UWB communication; a memory configured to store instructions; and a processor configured to execute the instructions.
- the processor executes the instructions to perform first UWB communication for location detection with a plurality of first external electronic devices through a first UWB communication channel using the first wireless communication circuit, and While UWB communication is being performed, detecting a third event corresponding to the start of second UWB communication for location detection between the first external electronic devices and the second external electronic device, and based on the third event, and transmits information used by the second external electronic device for second UWB communication with the first external electronic devices to the second external electronic device by using the second wireless communication circuit.
- the processor executes the instructions to detect a fourth event corresponding to an end of the second UWB communication by the second external electronic device, and to terminate the second UWB communication based on the fourth event.
- the processor may be further configured to transmit a message requesting a message to the second external electronic device using the second wireless communication circuit.
- the second external electronic device may be installed in an autonomous vehicle.
- the processor executes the instructions to detect the third event based on a user input calling the self-driving vehicle received through the input device of the electronic device, and a designated signal from the second external electronic device. It may be further configured to detect the fourth event based on the received.
- the second external electronic device may be installed in an autonomous vehicle.
- the processor executes the instructions to detect the third event based on a user input calling the self-driving vehicle being received through the input device of the electronic device, and the second wireless communication circuit.
- the fourth event may be further configured to obtain a signal strength value by measuring the strength of the RF signal received from the second external electronic device, and to detect the fourth event based on whether the signal strength value is within a specified reference value.
- the processor by executing the instructions, receives UWB signals from the first external electronic devices for the first UWB communication, and determines when the UWB signals are received and geographical location information of the first external electronic devices. based on the electronic device, determines the location of the electronic device, and transmits location information corresponding to the determined location to the second external electronic device using the second wireless communication circuit, so that the self-driving vehicle can control the electronic device It can be further configured to drive to the location.
- a method for operating an electronic device includes a first method for detecting a location through a first ultra wide band (UWB) communication channel with a plurality of first external electronic devices using a first wireless communication circuit. 1 operation to perform UWB communication; detecting a first event corresponding to the handover of the location detection from the electronic device to a second external electronic device while the first UWB communication is being performed; and based on the first event, stop detecting a location through the first UWB communication channel and communicate with the second external electronic device using a second wireless communication circuit configured to perform wireless communication different from the UWB communication. Including the operation of transmitting information. The communication information is used by the second external electronic device for second UWB communication with the first external electronic devices.
- UWB ultra wide band
- the method may include: detecting a second event corresponding to resumption of the first UWB communication while the second UWB communication is being performed in the second external electronic device; and based on the second event, transmitting a message requesting termination of the second UWB communication to the second external electronic device using the second wireless communication circuit, and resuming the first UWB communication. More actions may be included.
- a method for operating an electronic device includes a first method for detecting a location through a first ultra wide band (UWB) communication channel with a plurality of first external electronic devices using a first wireless communication circuit. 1 operation to perform UWB communication; while the first UWB communication is being performed, detecting a third event corresponding to a start of second UWB communication for location detection between the first external electronic devices and second external electronic devices; and a second wireless device configured to perform wireless communication different from the UWB communication using information used by the second external electronic device for second UWB communication with the first external electronic devices based on the third event. and transmitting to the second external electronic device using a communication circuit.
- UWB ultra wide band
- the method may include detecting a fourth event corresponding to an end of the second UWB communication; and based on the fourth event, transmitting a message requesting termination of the second UWB communication to the second external electronic device by using the second wireless communication circuit.
- an electronic device includes a first wireless communication circuit configured to communicate using a UWB bandwidth; a second wireless communication circuit configured to communicate using a bandwidth different from the UWB bandwidth; and a processor.
- the processor controls the first wireless communication circuit to perform first UWB communication with a plurality of first external electronic devices, determines a first location of the electronic device based on the first UWB communication, and 1 Control the second wireless communication circuit to transmit communication information to a second external electronic device based on detecting a first event while UWB communication is being performed, and the second external electronic device and the first external electronic device. and determine a second location of the electronic device based on a second UWB communication between the devices.
- the communication information is used by the second external electronic device to perform the second UWB communication with the first external electronic device.
- the processor Based on the detection of the second event, the processor transmits a message requesting termination of the second UWB communication to the second external electronic device using the second wireless communication circuit, and and resume the first UWB communication, and determine a third location of the electronic device based on the resumed first UWB communication.
- the electronic device performs data communication for positioning between a UWB communication circuit provided in the electronic device and a UWB communication circuit installed in the vehicle, based on whether the user's portable electronic device is located in the vehicle or adjacent to it. By determining who does it, the user's location can be accurately measured without obstructing the vehicle's metal structure.
- FIG. 1 is a block diagram of an electronic device in a network environment, according to an embodiment.
- FIG. 2 is a block diagram of a portable electronic device in a positioning system, according to an embodiment.
- 3, 4, and 5 are diagrams for explaining a state transition process of a wireless communication channel established in the positioning system of FIG. 2 according to an embodiment.
- FIG. 6 is a flowchart illustrating a positioning communication method of an uplink TDoA scheme in a positioning system according to an embodiment.
- FIG. 7 is a flowchart illustrating a downlink TDoA-type positioning communication method in a positioning system according to an embodiment.
- FIG. 8 is a flowchart illustrating a downlink TDoA method positioning communication method in a positioning system according to an embodiment.
- FIG. 9 is a flowchart illustrating a downlink TDoA method positioning communication method in a positioning system according to an embodiment.
- FIG. 10 is a flowchart illustrating operations of a processor 299 in the portable electronic device 200 according to an exemplary embodiment.
- FIG. 1 is a block diagram of an electronic device 101 in a network environment 100 according to an embodiment.
- an electronic device 101 communicates with an electronic device 102 through a first network 198 (eg, a short-range wireless communication network) or through a second network 199. It may communicate with at least one of the electronic device 104 or the server 108 through (eg, a long-distance wireless communication network). According to an embodiment, the electronic device 101 may communicate with the electronic device 104 through the server 108 .
- a first network 198 eg, a short-range wireless communication network
- the server 108 e.g, a long-distance wireless communication network
- the electronic device 101 includes a processor 120, a memory 130, an input module 150, an audio output module 155, a display module 160, an audio module 170, 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 the antenna module 197 may be included.
- at least one of these components eg, the connection terminal 178) may be omitted or one or more other components may be added.
- some of these components eg, sensor module 176, camera module 180, or antenna module 197) are integrated into a single component (eg, display module 160). It can be.
- the processor 120 for example, executes software (eg, the program 140) to cause at least one other component (eg, hardware or software component) of the electronic device 101 connected to the processor 120. It can control and perform various data processing or calculations. According to one embodiment, as at least part of data processing or operation, processor 120 transfers instructions or data received from other components (e.g., sensor module 176 or communication module 190) to volatile memory 132. , processing commands or data stored in the volatile memory 132 , and storing resultant data in the non-volatile memory 134 .
- software eg, the program 140
- processor 120 transfers instructions or data received from other components (e.g., sensor module 176 or communication module 190) to volatile memory 132. , processing commands or data stored in the volatile memory 132 , and storing resultant data in the non-volatile memory 134 .
- the processor 120 includes 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 ( NPU: neural processing unit (NPU), image signal processor, sensor hub processor, or 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 (NPU), image signal processor, sensor hub processor, or communication processor.
- NPU neural network processing unit
- the secondary processor 123 may use less power than the main processor 121 or be set to be specialized for a designated function.
- the secondary processor 123 may be implemented separately from or as part of the main processor 121 .
- the secondary processor 123 may, for example, take the place of the main processor 121 while the main processor 121 is in an inactive (eg, sleep) state, or the main processor 121 is active (eg, running an application). ) state, together with the main processor 121, at least one of the components of the electronic device 101 (eg, the display module 160, the sensor module 176, or the communication module 190) It is possible to control at least some of the related functions or states.
- the auxiliary processor 123 eg, an image signal processor or a communication processor
- the auxiliary processor 123 may include a hardware structure specialized for processing an artificial intelligence model.
- AI models can be created through machine learning. Such learning may be performed, for example, in the electronic device 101 itself where 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 foregoing, but is not limited to the foregoing examples.
- the artificial intelligence model may include, in addition or alternatively, software structures in addition to hardware structures.
- 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, program 140) and commands related thereto.
- the memory 130 may include volatile memory 132 or 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 of the electronic device 101 (eg, a user).
- 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 sound signals 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.
- a receiver may be used to receive an incoming call. According to one embodiment, the receiver may be implemented separately from the speaker or as part of it.
- the display module 160 may visually provide information to the outside of the electronic device 101 (eg, a user).
- the display module 160 may include, for example, a display, a hologram device, or a projector and a control circuit for controlling the device.
- the display module 160 may include a touch sensor configured to detect a touch or a pressure sensor configured to measure the intensity of force generated by the touch.
- the audio module 170 may convert sound into an electrical signal or vice versa. According to an embodiment, the audio module 170 acquires sound through the input module 150, the sound output module 155, or an external electronic device connected directly or wirelessly to the electronic device 101 (eg: Sound may be output through the electronic device 102 (eg, a speaker or a headphone).
- the audio module 170 acquires sound through the input module 150, the sound output module 155, or an external electronic device connected directly or wirelessly to the electronic device 101 (eg: Sound may be output through the electronic device 102 (eg, a speaker or a headphone).
- 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 detected state. can do.
- the sensor module 176 may include, for example, a gesture sensor, a gyro sensor, an air pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an infrared (IR) sensor, a bio sensor, It may include a temperature sensor, humidity sensor, or light sensor.
- the interface 177 may support one or more designated protocols that may be used to directly or wirelessly connect the electronic device 101 to 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.
- HDMI high definition multimedia interface
- USB universal serial bus
- SD card interface Secure Digital Card interface
- audio interface audio interface
- connection terminal 178 may include a connector through which the electronic device 101 may 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 electrical signals into mechanical stimuli (eg, vibration or motion) or electrical stimuli that a user may perceive through tactile or kinesthetic senses.
- 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 one 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 at least part of a power management integrated circuit (PMIC), for example.
- PMIC power management integrated circuit
- the battery 189 may supply power to at least one component of the electronic device 101 .
- the battery 189 may include, for example, a non-rechargeable primary cell, a rechargeable secondary cell, or a fuel cell.
- the communication module 190 is a direct (eg, wired) communication channel or a wireless communication channel between the electronic device 101 and an external electronic device (eg, the electronic device 102, the electronic device 104, or the server 108). Establishment and communication through the established communication channel may be supported.
- 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 may be 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, a : 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, a : a local area network (LAN) communication module or a power line communication module.
- a corresponding communication module 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 telecommunications network such as a computer network (eg, a LAN or a WAN).
- a telecommunications network such as a computer network (eg, a LAN or a WAN).
- These various types of communication modules may be integrated as one component (eg, a single chip) or implemented as a plurality of separate components (eg, multiple chips).
- 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, NR access technology (new radio access technology).
- NR access technologies include high-speed transmission of high-capacity data (enhanced mobile broadband (eMBB)), minimization of terminal power and access of multiple terminals (massive machine type communications (mMTC)), or high reliability and low latency (ultra-reliable and low latency (URLLC)).
- eMBB enhanced mobile broadband
- mMTC massive machine type communications
- URLLC ultra-reliable and low latency
- -latency communications can be supported.
- the wireless communication module 192 may support a high frequency band (eg, mmWave band) to achieve a high data rate, for example.
- the wireless communication module 192 may be used to realize 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).
- peak data rate eg, 20 Gbps or more
- loss coverage eg, 164 dB or less
- U-plane latency for realizing URLLC.
- DL downlink
- UL uplink each of 0.5 ms or less, or round trip 1 ms or less
- the antenna module 197 may transmit or receive signals or power to the outside (eg, an external electronic device).
- the antenna module 197 may include an antenna including a radiator formed of a conductor or a conductive pattern formed on a substrate (eg, PCB).
- 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 selected from the plurality of antennas by the communication module 190, for example. can be chosen 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) may be additionally formed as a part of the antenna module 197 in addition to the radiator.
- RFIC radio frequency integrated circuit
- the antenna module 197 may form a mmWave antenna module.
- the mmWave antenna module includes a printed circuit board, an RFIC disposed on or adjacent to a first surface (eg, a lower surface) of the printed circuit board and capable of supporting a designated high frequency band (eg, mmWave band); and a plurality of antennas (eg, array antennas) disposed on or adjacent to a second surface (eg, a top surface or a side surface) of the printed circuit board and capable of transmitting or receiving signals of the designated high frequency band. can do.
- peripheral devices eg, a bus, general purpose input and output (GPIO), serial peripheral interface (SPI), or mobile industry processor interface (MIPI)
- signal e.g. commands or data
- commands 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 operations executed in the electronic device 101 may be executed in one or more external electronic devices among the external electronic devices 102 , 104 , or 108 .
- the electronic device 101 when the electronic device 101 needs to perform a certain function or service automatically or in response to a request from a user or another device, the electronic device 101 instead of executing the function or service by itself.
- one or more external electronic devices may be requested to perform the function or at least part of the service.
- One or more external electronic devices receiving 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 deliver the execution result to the electronic device 101 .
- the electronic device 101 may provide the result as at least part of a response to the request as it is or additionally processed.
- 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.
- Server 108 may be an intelligent server using machine learning and/or neural networks. According to one embodiment, the external electronic device 104 or server 108 may be included in the second network 199 .
- the electronic device 101 may be applied to intelligent services (eg, smart home, smart city, smart car, or health care) based on 5G communication technology and IoT-related technology.
- Electronic devices may be devices of various types.
- the electronic device may include, for example, a portable communication device (eg, a smart phone), a computer device, a portable multimedia device, a portable medical device, a camera, a wearable device, or a home appliance.
- 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 camera e.g., a camera
- a wearable device e.g., a smart bracelet
- first, second, or first or secondary may simply be used to distinguish a given component from other corresponding components, and may be used to refer to a given component in another aspect (eg, importance or order) is not limited.
- a (e.g., first) component is said to be “coupled” or “connected” to another (e.g., second) component, with or without the terms “functionally” or “communicatively.”
- the certain component may 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, logical blocks, parts, or circuits.
- a module may be an integrally constructed component or a minimal unit of components or a portion thereof 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, internal memory 136 or external memory 138
- a machine eg, electronic device 101
- a processor eg, the processor 120
- a device eg, the electronic device 101
- 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.
- the storage medium is a tangible device and does not contain a signal (e.g. electromagnetic wave), and this term refers to the case where data is stored semi-permanently in the storage medium. It does not discriminate when it is temporarily stored.
- a signal e.g. electromagnetic wave
- the method according to various embodiments disclosed in this document may be included and provided in a computer program product.
- Computer program products may be traded between sellers and buyers as commodities.
- a computer program product is distributed in the form of a device-readable storage medium (e.g. compact disc read only memory (CD-ROM)), or through an application store (e.g. Play Store TM ) or on two user devices (e.g. It can be distributed (eg downloaded or uploaded) online, directly between smart phones.
- a device e.g. compact disc read only memory (CD-ROM)
- an application store e.g. Play Store TM
- It can be distributed (eg downloaded or uploaded) online, directly between smart phones.
- at least part of the computer program product may be temporarily stored or temporarily created in a storage medium readable by a device such as a manufacturer's server, an application store server, or a relay server's memory.
- each component (eg, module or program) of the above-described components may include a single object or a plurality of entities, and some of the plurality of entities may be separately disposed in other components. there is.
- one or more components or operations among the aforementioned corresponding components may be omitted, or one or more other components or operations may be added.
- a plurality of components eg modules or programs
- the integrated component may perform one or more functions of each of the plurality of components identically or similarly to those performed by a corresponding component of the plurality of components prior to the integration. .
- the actions performed by a module, program, or other component are executed sequentially, in parallel, iteratively, or heuristically, or one or more of the actions are executed in a different order, or omitted. or one or more other actions may be added.
- FIG. 2 is a block diagram of a portable electronic device 200 in a positioning system, according to an embodiment.
- the portable electronic device 200 may be, for example, a user portable device.
- 3, 4, and 5 are diagrams for explaining a state transition process of a wireless communication channel established in the positioning system of FIG. 2 according to an embodiment.
- a portable electronic device 200 (eg, the electronic device 101 of FIG. 1 ) includes a wireless communication circuit 210, an antenna module 220, a memory 288, and a processor 299. can do.
- the components of the portable electronic device 200 may be operatively or electrically connected to each other.
- the wireless communication circuit 210 may include a Bluetooth low energy (BLE) communication circuit 211, a UWB communication circuit 212, or a WiFi communication circuit 213. there is.
- BLE Bluetooth low energy
- the antenna module 220 includes a BLE antenna 221 connected to the BLE communication circuit 211, a UWB antenna 222 connected to the UWB communication circuit 212, and a WiFi antenna 223 connected to the WiFi communication circuit 213 It may include a plurality of antennas that do. According to one embodiment, at least one function of the BLE communication circuit 211, the UWB communication circuit 212, or the WiFi communication circuit 213 is performed by the processor 299 (eg, an application processor and/or a communication processor). can be controlled Some of the communication circuits 211, 212, and 213 may use one antenna in common. For example, unlike shown, the BLE communication circuit 211 and the WiFi communication circuit 213 may perform data communication by using one antenna in common.
- the memory 288 may include a BLE FW 231, a UWB FW 232, a WiFi FW 233, a service module 240, and an application 230 .
- the FWs 231 - 233 , the service module 240 , and the application 250 may be stored as instructions in the memory 288 and executed by the processor 299 .
- At least one of the FWs 231-233, the service module 240, and the application 250 is configured by a processor (eg, the auxiliary processor 123 of FIG. 1) specialized in wireless communication for measuring location and/or distance. may be executed.
- the BLE FW 231 may control the BLE communication circuit 211 to establish a BLE communication channel (or BLE session) between the portable electronic device 200 and an external electronic device.
- the external electronic device may include a wireless communication device 201 or an anchor 202 (eg, anchor 202a, anchor 202b, or anchor 202c) mounted on the vehicle 203.
- vehicle 203 may be, for example, a car, van, truck, sport utility vehicle, or other type of vehicle (eg, an airplane, helicopter, boat, or ship).
- the UWB FW 232 may control the UWB communication circuit 212 to establish a UWB communication channel between the portable electronic device 200 and an external electronic device.
- the WiFi FW 233 may control the WiFi communication circuit 213 to establish a WiFi communication channel between the portable electronic device 200 and an external electronic device.
- the BLE FW 231 may be implemented as one chipset together with the BLE communication circuit 211.
- the UWB FW 232 may be implemented in one chipset together with the UWB communication circuit 212 .
- the WiFi FW 233 may be implemented as one chipset together with the WiFi communication circuit 213.
- the service module 240 may provide the application 250 with services necessary for the application 250 to perform a given operation.
- the service module 240 may receive data used to measure the location of the portable electronic device 200 .
- the data used to measure the location of the portable electronic device 200 is a timestamp indicating when the UWB communication circuit 212 received the UWB signal or an external electronic device that transmitted the UWB signal. It may include identification information of.
- data used to measure a distance between the portable electronic device 200 and an external electronic device may include information representing the strength of a UWB signal received from the external electronic device.
- one or more of the data used to measure the location of the portable electronic device 200 and the data used to measure the distance between the portable electronic device 200 and an external electronic device is provided by the service module 240 It may be received from at least one of the FWs 231-233.
- the service module 240 may provide the received data to the application 250 .
- the application 250 uses the service provided by the service module 240 and/or data provided from the FWs 231-233 through the service module 240, It can perform actions (e.g. location measurement, distance measurement, navigation, location tracking).
- actions e.g. location measurement, distance measurement, navigation, location tracking.
- the application 250 manages the state of the established wireless communication channel as an active state 310, an idle (eg, inactive) state 320, or a deinitialized state 330. can do.
- the object for which the state is managed may include a channel (eg, UWB ranging session) established to receive (or transmit to) data used for positioning of the portable electronic device 200 from an external electronic device. there is.
- the application 250 may manage a state of a wireless communication channel through an application programming interface (API) provided by the service module 240 . For example, the application 250 may set the state of the wireless communication channel to the idle state 320 through the openSession() API.
- API application programming interface
- the application 250 may switch the state of the wireless communication channel from the idle state 320 to the active state 310 through the rangingStop() API.
- the corresponding FW eg, UWB FW 232
- communicates with an external electronic device eg, the wireless communication device
- a wireless communication channel established by the corresponding wireless communication circuit eg, the UWB communication circuit 212.
- the FW may transmit data 340 received from the external electronic device to the application 250 through a wireless communication channel.
- the application 250 may change the state of the wireless communication channel from the active state 310 to the idle state 320 through the rangingStop() API.
- the corresponding FW may stop data communication.
- the application 250 may change the state of the wireless communication channel from an active state 310 or an idle state 320 to a release state 330 through the closeSession() API.
- the FW may control the corresponding radio communication circuit to release the established radio communication channel.
- the FWs 231 to 233 may transmit a state change notification 350 to the application 250 to notify that the state has changed.
- the FWs 231 to 233 may notify the application 250 that the status has changed through the onSessionStatusChanged() API provided by the service module 240.
- the mobile electronic device 200 is established between the mobile electronic device 200 and the first external electronic device (eg anchors 202 ) through the state change notification 350 by the application 250 .
- the service module 240 when a designated first event occurs, the first wireless communication channel (eg, UWB ranging session) 261) to make the application 250 aware that it is active (eg, without calling the onSessionStatusChanged() API), and switch the state of the first wireless communication channel 261 to the idle state on behalf of the application 250 can do.
- the service module 240 provides a second wireless communication channel (eg, BLE session) 262 established between the portable electronic device 200 and a second external electronic device (eg, the wireless communication device 201).
- a positioning request message including a parameter (or information) related to one wireless communication channel may be transmitted to the second external electronic device.
- the parameters may include, for example, network address information (eg, media access control (MAC) address) of the first external electronic device, session identifier (ID), period of data communication for positioning (hereinafter referred to as positioning communication), positioning communication method (eg, uplink TDoA, downlink TDoA), or geographical location information of the first external electronic device (eg, in case of downlink TDoA).
- the second external electronic device In response to receiving the location request message, the second external electronic device establishes a third wireless communication channel (eg, UWB ranging session) 263 with the first external electronic device based on the received parameters, and establishes a third wireless communication channel. Positioning communication for measuring the location of the portable electronic device 200 may be performed through 263 .
- a third wireless communication channel eg, UWB ranging session
- Positioning communication for measuring the location of the portable electronic device 200 may be performed through 263 .
- an element when an element is described as occurring "in response to" an event, it either directly reacts to the event or indirectly reacts to the event (e.g. reacts to another event caused by the event). ), event-based (e.g., based on sensing or recognizing an event), or based on the occurrence of an event at a previous point in time.
- the service module 240 may switch the state of the first wireless communication channel 261 from an idle state to an active state when a designated second event occurs. Also, the service module 240 may transmit a message requesting stop (or termination) of positioning communication for measuring the location of the portable electronic device 200 to the second external electronic device. In response to the positioning stop request message, the second external electronic device may stop data communication through the third wireless communication channel 263 .
- the first event that triggers the handover of positioning communication from the portable electronic device 200 to the second external electronic device occurs when the user 204 carries the portable electronic device 200 and gets into the vehicle 203.
- An event indicating that the device 200 is located within the vehicle 203 eg, a 'Phone in Car' event
- an event indicating that the portable electronic device 200 is adjacent to the vehicle 203 within a predetermined distance e.g., a 'Phone in Car' event
- It may include an event indicating a changing trend in which the distance between the device 200 and the vehicle 203 is shortened.
- the second event causing the second external electronic device to stop positioning communication and the portable electronic device 200 to resume positioning communication is that the user 204 takes the portable electronic device 200 and leaves the vehicle 203.
- the event indicating that the portable electronic device 200 is located outside the vehicle 203 eg, 'Phone outside Car' event
- the application 250 may transmit a message 431 to the UWB FW 232 requesting positioning communication in the uplink TDoA method through the service module 240 .
- the UWB FW 232 sets the state of the first wireless communication channel 401 (eg, the first wireless communication channel 261 of FIG. 2) to an active state, and A message 432 indicating that the state of the communication channel 401 is set to an active state may be transmitted to the application 250 .
- the UWB communication circuit 212 transmits the UWB signal to the first external electronic device 410 (eg, FIG. 2 ) through the first wireless communication channel 401 . It can be transmitted to the anchors 202 of.
- the service module 240 may transmit a positioning stop request message 442 to the UWB FW 232 .
- the UWB FW 232 may set the state of the first wireless communication channel 401 to an idle state.
- the UWB FW 232 may stop transmitting the UWB signal through the first wireless communication channel 401 .
- the service module 240 may request the UWB FW 232 so that the application 250 does not know the state change.
- the UWB FW 232 may cancel the transmission of the message 443 indicating that it has switched to the idle state.
- the service module 240 transmits a message 444 requesting b positioning communication in the uplink TDoA method to the second external electronic device 420 (eg, the wireless communication device of FIG. 2). (201)) may be requested to the BLE FW (231).
- the BLE FW 231 may control the BLE communication circuit 211 to transmit the positioning request message 444 to the second external electronic device 420 through the second wireless communication channel 402. .
- the service module 240 may transmit a message 452 to the UWB FW 232 requesting positioning communication using the uplink TDoA method.
- the UWB FW 232 may reset the state of the first wireless communication channel 401 to an active state.
- the UWB communication circuit 212 transmits the UWB signal of the uplink TDoA scheme to the first external electronic device 410 through the first wireless communication channel 401. The operation of transmitting to can be resumed.
- the service module 240 recognizes that the transmission of the message 443 has been cancelled, and accordingly can cancel the transmission of the message 453 indicating that the active state has been reset.
- the service module 240 may request the BLE FW 231 to transmit the positioning stop request message 454 to the second external electronic device 420 .
- the BLE FW 231 may control the BLE communication circuit 211 to transmit a positioning stop request message 454 to the second external electronic device 420 through the second wireless communication channel 402. there is.
- the application 250 may transmit a message 531 to the UWB FW 232 requesting positioning communication in the downlink TDoA method through the service module 240 .
- the UWB FW 232 sets the state of the first wireless communication channel 501 (eg, the first wireless communication channel 261 of FIG. 2) to an active state, and A message 532 indicating that the state of the communication channel 501 is set to an active state may be transmitted to the application 250 .
- the UWB communication circuit 212 transmits the UWB signal to the first external electronic device 510 (eg, FIG.
- the UWB FW 232 is data (eg, UWB communication circuit 212 may generate a timestamp indicating a time point at which the UWB signal is received) 591 and transmit it to the application 250 through the service module 240 .
- data eg, UWB communication circuit 212 may generate a timestamp indicating a time point at which the UWB signal is received
- the service module 240 may transmit a positioning stop request message 542 to the UWB FW 232 .
- the UWB FW 232 may set the state of the first wireless communication channel 501 to an idle state.
- the UWB FW 232 may stop receiving a UWB signal through the first wireless communication channel 501 .
- the service module 240 may request the UWB FW 232 so that the application 250 does not know the state change.
- the UWB FW 232 may cancel the transmission of the message 543 indicating that it has switched to the idle state.
- the service module 240 sends a message 544 requesting positioning communication in the downlink TDoA method to the second external electronic device 520 (eg, the wireless communication device of FIG. 2 ( 201) may request the BLE FW 231 to be transmitted.
- the BLE FW 231 may control the BLE communication circuit 211 to transmit a positioning request message 544 to the second external electronic device 520 through the second wireless communication channel 502. .
- the BLE FW 231 receives data 592 used to measure the location of the portable electronic device 200 from the second external electronic device 520 through the BLE communication circuit 211, and transmits the data 592 It can be transmitted to the application 250 through the service module 240 .
- the service module 240 may transmit a message 552 to the UWB FW 232 requesting positioning communication using the downlink TDoA method.
- the UWB FW 232 may reset the state of the first wireless communication channel 501 to an active state.
- the UWB communication circuit 212 performs an operation of receiving a UWB signal to the first external electronic device 510 through the first wireless communication channel 501. can be resumed
- the service module 240 recognizes that the transmission of the message 543 has been cancelled, and can cancel the transmission of the message 553 indicating that the transmission of the message 543 has been reset to the active state.
- the service module 240 may request the BLE FW 231 to transmit the positioning stop request message 554 to the second external electronic device 520.
- the BLE FW 231 may control the BLE communication circuit 211 to transmit a positioning stop request message 554 to the second external electronic device 520 through the second wireless communication channel 502. there is.
- the BLE communication circuit 211 is a BLE communication corresponding to a frequency band designated to be used for BLE communication among bands to be used for wireless communication with external electronic devices (eg, the wireless communication device 201 installed in the vehicle and the anchors 202).
- a channel (or BLE session) may be established.
- the BLE communication circuit 211 may perform BLE communication with an external electronic device through a BLE communication channel.
- the BLE communication circuit 211 converts the baseband signal generated by the processor 299 and received from the processor 299 into a BLE band RF signal and transmits it to the outside through the BLE antenna 221 there is.
- the BLE communication circuit 211 upon reception, obtains an RF signal of the BLE band (eg, about 2.4 GHz) through the BLE antenna 221, and transmits the obtained RF signal to the baseband (eg, several MHz or less) of the It can be converted into a signal and transmitted to the processor 299.
- the processor 299 may monitor whether a first event and a second event occur while positioning communication is performed between the anchors 202 and the portable electronic device 200 . For example, the processor 299 determines that a BLE communication channel is established between the wireless communication device 201 and the portable electronic device 200 when a first event indicating that the portable electronic device 200 is located in the vehicle 203 It can be recognized (or predicted) as having occurred.
- the processor 299 may hand over positioning communication to the wireless communication device 201 .
- the processor 299 may recognize (or predict) that the second event indicating that the portable electronic device 200 has left the vehicle 203 has occurred (or predicted) that the BLE communication channel has been released.
- the processor 299 may terminate the handover and resume positioning communication.
- the UWB communication circuit 212 includes a frequency band designated to be used for UWB communication (eg, about 3.1 to 10.6 GHz) among bands to be used for wireless communication with external electronic devices (eg, the wireless communication device 201 and anchors 202). ), a UWB communication channel (or UWB session) corresponding to may be established.
- the UWB communication circuit 212 may establish a UWB communication channel (in other words, a UWB session) and perform UWB communication through the established session.
- the UWB communication circuit 212 may perform UWB communication with an external electronic device through a UWB communication channel.
- the UWB communication circuit 212 When transmitting, the UWB communication circuit 212 converts a baseband signal generated by the processor 299 and received from the processor 299 into a UWB band RF signal and transmits it to the outside through the UWB antenna 222. There is. Upon reception, the UWB communication circuit 212 may obtain an RF signal of the UWB band through the UWB antenna 222 , convert the obtained RF signal into a baseband signal, and transmit the converted signal to the processor 299 .
- the wireless communication circuit 210 further includes a filter (eg, a UWB band pass filter) for filtering the RF signal in the UWB band from the RF signal received from the UWB antenna 222 and passing it to the UWB communication circuit 212. can do.
- UWB antenna 222 may include a plurality of antennas.
- the UWB antenna 222 may include a first antenna for transmitting and receiving an RF signal and a second antenna exclusively for receiving an RF signal.
- the WiFi communication circuit 213 includes a WiFi communication channel (or , WiFi session) can be established.
- the WiFi communication circuit 213 may perform WiFi communication with an external electronic device through a WiFi communication channel.
- the WiFi communication circuit 213 converts the baseband signal generated by the processor 299 and received from the processor 299 into an RF signal of the WiFi band and transmits the signal to the outside through the WiFi antenna 223.
- the WiFi communication circuit 213 may acquire an RF signal of the WiFi band through the WiFi antenna 223, convert the obtained RF signal into a baseband signal, and transmit the signal to the processor 299.
- the processor 299 establishes a WiFi communication channel between the wireless communication device 201 and the portable electronic device 200 while positioning communication is being performed between the anchors 202 and the portable electronic device 200 . Establishment may be recognized as occurrence of the first event indicating that the portable electronic device 200 is located in the vehicle 203 . According to the occurrence of the first event, the processor 299 may hand over positioning communication to the wireless communication device 201 . The processor 299 may recognize (or predict) that a second event indicating that the portable electronic device 200 has left the vehicle 203 has occurred (or predicted) that the WiFi communication channel has been released. Upon occurrence of the second event, the processor 299 may terminate the handover and resume positioning communication.
- the processor 299 receives an RF signal from an external electronic device (eg, the wireless communication device 201) through the wireless communication circuit 210, measures the strength of the received RF signal, and obtains the signal strength through measurement. Based on the received signal strength value (eg, received signal strength indicator (RSSI)), a distance between the external electronic device and the portable electronic device 200 may be calculated.
- RSSI received signal strength indicator
- the processor 299 may recognize a change trend of the distance.
- the change trend may include information indicating whether there is a change in distance and, if there is a change in distance, information indicating whether the distance will be narrowed or widened.
- the change trend may further include information indicating a speed at which the distance is narrowed (or widened) and/or a change amount (eg, acceleration) of speed per unit time when the distance is narrowed or widened.
- the processor 120 may calculate a change in distance per unit time using a plurality of distance values obtained through periodic reception of an RF signal.
- the processor 299 may recognize a change trend of the distance from the change amount. For example, the processor 299 may determine that the distance between the external electronic device and the portable electronic device 200 is narrowing when the amount of change (eg, the current distance value - the previous distance value) is a negative value. When the amount of change is a positive value, the processor 299 may determine that the distance between the external electronic device and the portable electronic device 200 is increasing. As another example, the processor 299 may recognize speed and/or acceleration when the distance between the portable electronic device 200 and the external electronic device narrows or widens from the calculated amount of change.
- the processor 299 may recognize a moving state of the portable electronic device 200 based on data received from a sensor (eg, an acceleration sensor of the sensor module 176).
- the processor 299 may recognize a change trend based on the distance change amount and the moving state. For example, the processor 299 may calculate the speed or acceleration of the portable electronic device 200 based on data received from the sensor, and determine that the portable electronic device 200 is moving based on the calculated value. If the distance change obtained from the RF signal periodically received while the portable electronic device 200 is moving is a negative value, the processor 299 determines that the distance between the external electronic device and the portable electronic device 200 is narrowing. It can be determined as a trend. If the distance change obtained from the RF signal periodically received while the portable electronic device 200 is moving is a positive value, the processor 299 indicates that the distance between the external electronic device and the portable electronic device 200 is increasing. It can be determined as a trend.
- the processor 299 receives an RF signal (eg, the BLE communication circuit 211) from an external electronic device (eg, the wireless communication device 201) via the wireless communication circuitry 210 (eg, the BLE communication circuitry 211).
- a change trend may be recognized based on the amount of change in strength of an RF signal having an advertising or broadcasting packet) and the moving state of the portable electronic device 200 .
- the processor 299 determines that the distance between the external electronic device and the portable electronic device 200 is narrowing when the portable electronic device 200 is recognized as moving and the strength of the RF signal tends to increase. can decide When the mobile electronic device 200 is recognized as moving and the strength of the RF signal tends to decrease, the processor 299 may determine that the distance between the external electronic device and the portable electronic device 200 tends to increase. .
- the processor 299 determines that, while positioning communication is being performed between the anchors 202 and the portable electronic device 200, a signal strength value obtained through measurement of signal strength is within a predetermined reference value. , it may be recognized that the first event has occurred. According to the occurrence of the first event, the processor 299 may hand over positioning communication to the wireless communication device 201 . The processor 299 may recognize that a second event has occurred when a distance value obtained through signal strength measurement exceeds the reference value while positioning communication is being performed in the wireless communication device 201 . Upon occurrence of the second event, the processor 299 may terminate the handover and resume positioning communication.
- the processor 299 calculates a distance between the wireless communication device 201 and the portable electronic device 200 while positioning communication is performed between the anchors 202 and the portable electronic device 200.
- the processor 299 may hand over positioning communication to the wireless communication device 201 .
- the processor 299 may recognize that a second event has occurred when the distance value obtained through the distance calculation exceeds the reference value while positioning communication is being performed in the wireless communication device 201 .
- the processor 299 may terminate the handover and resume positioning communication.
- the processor 299 changes the distance between the wireless communication device 201 and the portable electronic device 200 to be narrowed while positioning communication is being performed between the anchors 202 and the portable electronic device 200 .
- the processor 299 may hand over positioning communication to the wireless communication device 201 .
- the processor 299 may recognize that the second event has occurred when the distance between the two sides changes in a trend of increasing. Upon occurrence of the second event, the processor 299 may terminate the handover and resume positioning communication.
- the mobile electronic device 200 is established between the mobile electronic device 200 and the first external electronic device (eg, anchors 202 ) through the state change notification 260 by the application 250 . While it is known that the first wireless communication channel (eg, UWB ranging session) 261 for positioning is active, the service module 240, when a third designated event occurs, the first wireless communication channel (eg, UWB ranging session) 261) is maintained in an active state and the second wireless communication channel (eg, BLE session) 262 established between the portable electronic device 200 and the second external electronic device (eg, the wireless communication device 201) A positioning request message including a parameter (or information) related to one wireless communication channel may be transmitted to the second external electronic device.
- the first wireless communication channel eg, UWB ranging session
- the service module 240 when a third designated event occurs, the first wireless communication channel (eg, UWB ranging session) 261) is maintained in an active state and the second wireless communication channel (eg, BLE session) 262 established between the portable electronic device 200
- the parameter may be, for example, network address information (eg mac address) of the first external electronic device, session ID, cycle of positioning communication, method of positioning communication (eg uplink TDoA, downlink TDoA), or the first external electronic device. It may contain device location information.
- the second external electronic device establishes a third wireless communication channel 263 connecting the first external electronic device and the portable electronic device 200 based on the received parameter, and Positioning communication for measuring the location of the portable electronic device 200 may be performed through the communication channel 263 .
- the service module 240 may transmit a message requesting termination of positioning communication to the second external electronic device.
- the second external electronic device may stop data communication through the third wireless communication channel 263 .
- the third event triggering the start of positioning communication in the second external electronic device is an event in which the portable electronic device 200 calls the vehicle 203 when the vehicle 203 can be started remotely and is an autonomous vehicle (e.g., 'Phone recall Car' event).
- the user 204 may call the vehicle 203 parked in a parking lot of a grocery store using the portable electronic device 200 so that the vehicle 203 automatically drives to the store entrance.
- the processor 299 may be configured to provide a user interface (UI) screen for calling the vehicle 203 to the user 204 through a display (eg, the display module 160 of FIG. 1 ).
- the processor 299 may generate a call signal in response to a user input (eg, a touch input) received through the UI screen.
- the processor 299 may transmit a call signal to the wireless communication device 201 through a short-distance wireless communication module (eg, the WiFi communication circuit 213) or a cellular communication module.
- the processor 299 may recognize the call signal as the third event.
- the fourth event causing interruption of positioning communication in the second external electronic device is an event indicating that the vehicle 203 is adjacent to the portable electronic device 200 within a predetermined distance in response to a vehicle call (eg, 'Recall Car Done 'events).
- the processor 299 establishes a wireless communication channel (eg, a BLE communication channel, a WiFi communication channel, or a UWB communication channel) connecting the wireless communication device 201 and the portable electronic device 200 and establishes a communication channel between the two sides.
- a wireless communication channel eg, a BLE communication channel, a WiFi communication channel, or a UWB communication channel
- the processor 299 may receive a signal indicating that the vehicle 203 has arrived at the location where the user 204 is located from the wireless communication device 201 through a wireless communication channel, and the reception of this signal as a fourth event. can be recognized as having occurred.
- FIG. 6 is a flowchart illustrating a positioning communication method of an uplink TDoA scheme in a positioning system according to an embodiment.
- the processor 299 of the portable electronic device 200 uses the wireless communication circuit 210 to communicate with anchors 202 and a first UWB communication channel (eg, shown in FIG. 2 ).
- a first wireless communication channel 261 (first wireless communication channel 401 in FIG. 4A) may be established.
- BLE consumes less power and has a relatively long recognition distance (eg, a distance at which anchors 202 can recognize that they exist around the portable electronic device 200) compared to UWB.
- UWB may have relatively high positioning accuracy.
- BLE may be used as a trigger for activating positioning communication.
- the processor 299 may establish a BLE communication channel connecting the portable electronic device 200 and the anchors 202 using the BLE communication circuit 211 .
- the processor 299 may exchange information (hereinafter referred to as session information) that may be used for establishment of the first UWB communication channel with the anchors 202 through the established BLE communication channel.
- the processor 299 may receive the session information from the anchors 201 through the BLE communication circuitry 211 .
- the received session information includes network address information (eg, MAC address) of each of the anchors 202, a session ID, a period of positioning communication (eg, a period of transmitting a UWB signal), and whether the positioning communication method is uplink TDoA or It may include a value indicating downlink TDoA scheme or contents related to the frame structure of the UWB signal (eg, frame configuration, preamble Idx (index), STS (Short Training Symbol) Idx).
- the processor 299 transmits additional information (eg, geographical location information (eg, coordinates) of each of the anchors 202 to the anchors 202 through the BLE communication channel). Based on the information received from the anchors 202, the processor 299 may establish a UWB communication channel with the anchors 202 using the UWB communication circuitry 212.
- additional information eg, geographical location information (eg, coordinates) of each of the anchors 202 to the anchors 202 through the BLE communication channel.
- the processor 299 may establish a UWB communication channel with the anchors 202 using the UWB communication circuitry 212.
- the processor 299 may establish a WiFi communication channel connecting the anchors 202 and the portable electronic device 200 using the WiFi communication circuit 213, and establish the WiFi communication channel. Session information necessary for establishment of a UWB communication channel may be exchanged with the anchors 202 through this.
- the processor 299 may, based on the information received from the anchors 202, establish a UWB communication channel connecting the anchors 202 and the mobile electronic device 200 using the UWB communication circuitry 212.
- the processor 299 may control the UWB communication circuit 212 to periodically transmit a UWB signal for positioning of the portable electronic device 200 to the anchors 202 through the first UWB communication channel.
- the anchors 202 may transmit time information (eg, timestamp) of the UWB signal received from the portable electronic device 200 to the positioning server.
- the location determination server may measure the location of the portable electronic device 200 based on time information received from the anchors 202 and location information on known anchors and provide the location information to the portable electronic device 200 .
- the processor 299 While the processor 299 periodically transmits a UWB signal to the anchors 202, the first event causing handover of positioning communication from the portable electronic device 200 to the wireless communication device 201 occurs. occurrence can be recognized.
- the processor 299 in response to the occurrence of the first event, establishes a second UWB communication channel (eg, a third wireless communication channel 263 of FIG. 2) between the anchors 202 and the wireless communication device 201. ) may be transmitted to the wireless communication device 201 through the wireless communication circuit 210.
- the processor 299 establishes a BLE communication channel between the portable electronic device 200 and the wireless communication device 201 (eg, the second wireless communication channel 262 of FIG. 2 , the second wireless communication of FIG. 4B ) Channel 402) may transmit information to wireless communication device 201.
- Information transmitted to the wireless communication device 201 may include session information received from anchors 202 in an operation of establishing a first UWB communication channel.
- the processor 299 may stop transmission of the UWB signal by switching the first UWB communication channel to an idle state in response to the occurrence of the first event. In some embodiments, the processor 299 may continue to transmit the UWB signal without interruption even when the first event occurs.
- the wireless communication device 201 may periodically transmit a UWB signal to the anchors 202 through the second UWB communication channel.
- the anchors 202 may transmit time information (eg, timestamp) of the UWB signal received from the wireless communication device 201 to the positioning server.
- the positioning server measures the position of the wireless communication device 201 based on the time information received from the anchors 202 and the position information about the known anchors, and transmits the position information to the portable electronic device 200 and/or the wireless communication device. (201).
- the processor 299 stops positioning communication in the wireless communication device 201 while positioning communication is being performed by the wireless communication device 201 instead of the portable electronic device 200, and the portable electronic device 200 It is possible to recognize the occurrence of a second event that triggers resumption of positioning communication.
- the processor 299 may resume transmission of the UWB signal by switching the first UWB communication channel to an active state in response to the occurrence of the second event.
- the processor 299 may transmit a message requesting termination of positioning communication to the wireless communication device 201 in response to the occurrence of the second event.
- the wireless communication device 201 may stop transmission of the UWB signal by switching the state of the second UWB communication channel to an idle state (or releasing the establishment of the second UWB communication channel).
- FIG. 7 is a flowchart illustrating a downlink TDoA-type positioning communication method in a positioning system according to an embodiment.
- contents overlapping with the description of FIG. 6 are omitted or briefly described.
- the processor 299 of the portable electronic device 200 connects the anchors 202 and the portable electronic device 200 using the wireless communication circuit 210 in a first step.
- a UWB communication channel (eg, the first wireless communication channel 261 of FIG. 2 or the first wireless communication channel 501 of FIG. 5A) may be established.
- the processor 299 establishes a wireless communication channel (eg, a BLE communication channel or a WiFi communication channel) connecting the portable electronic device 200 and the anchors 202 using the BLE communication circuitry 211 .
- the processor 299 may exchange information that may be used for establishment of the first UWB communication channel with the anchors 202 through the established wireless communication channel.
- the processor 299 may, based on the information received from the anchors 202, establish a UWB communication channel connecting the anchors 202 and the mobile electronic device 200 using the UWB communication circuitry 212. can
- the processor 299 may periodically receive a UWB signal from the anchors 202 through the first UWB communication channel using the UWB communication circuitry 212 .
- a period in which the UWB communication circuit 212 receives the UWB signal may be synchronized with a period in which the anchors 202 generate a clock signal.
- the processor 299 generates information (e.g., timestamps) representing the time at which the UWB signal is received from the anchors 202 through the first UWB communication channel, and the generated time information and the anchors 202 Based on the location information, the location of the portable electronic device 200 may be measured.
- information e.g., timestamps
- the processor 299 determines the first event causing handover of positioning communication from the portable electronic device 200 to the wireless communication device 201. occurrence can be recognized.
- the processor 299 in response to the occurrence of the first event, connects the anchors 202 and the wireless communication device 201 to the second UWB communication channel (eg, the third wireless communication channel of FIG. 2). 263) may transmit session information that can be used for establishment to the wireless communication device 201 through the wireless communication circuit 210.
- the processor 299 establishes a BLE communication channel between the portable electronic device 200 and the wireless communication device 201 (eg, the second wireless communication channel 262 of FIG. 2 , the second wireless communication of FIG. 5B ) Channel 502) may transmit information to wireless communication device 201.
- Information transmitted to the wireless communication device 201 may include information received from anchors 202 in an operation of establishing a first UWB communication channel.
- the processor 299 may stop reception of the UWB signal by switching the first UWB communication channel to an idle state in response to the occurrence of the first event.
- the wireless communication device 201 may periodically receive a UWB signal from the anchors 202 through the second UWB communication channel.
- the wireless communication device 201 generates information (eg, timestamps) indicating the time at which the UWB signal is received from the anchors 202 through the second UWB communication channel, and transmits the generated time information to the wireless communication channel (eg, timestamps). : BLE communication channel) may be provided to the portable electronic device 200.
- the processor 299 receives time information from the wireless communication device 201 through a wireless communication channel, and based on the received time information and the location information of the anchors 202, the wireless communication device 201 position can be measured.
- the wireless communication device 201 may receive location information of the anchors 202 from the portable electronic device 200 through a wireless communication channel (eg, a BLE communication channel). In this way, when the wireless communication device 201 knows the location information of the anchors 202, the wireless communication device 201, instead of the portable electronic device 200, uses the time information to send the wireless communication device 201 ) may be measured and information representing the measurement result may be transmitted to the portable electronic device 200 .
- a wireless communication channel eg, a BLE communication channel
- the processor 299 interrupts the positioning communication in the wireless communication device 201 while the positioning communication is being performed by the wireless communication device 201 instead of the portable electronic device 200, and in the portable electronic device 200. It is possible to recognize the occurrence of a second event that triggers resumption.
- the processor 299 may receive a third event from the wireless communication device 201 indicating that the positioning communication is terminated in the wireless communication device 201 .
- the navigation system mounted on the vehicle transmits information indicating that the vehicle has arrived at the destination to the wireless communication device 201, and the wireless communication device 201 generates a third event as the corresponding information to determine the location of the portable electronic device 200.
- the processor 299 may resume reception of the UWB signal by switching the first UWB communication channel to an active state in response to the occurrence of the second event (or reception of the third event).
- the processor 299 may transmit a message requesting termination of positioning communication to the wireless communication device 201 in response to the occurrence of the second event.
- the wireless communication device 201 may stop reception of the UWB signal by switching the state of the second UWB communication channel to an idle state (or releasing the establishment of the second UWB communication channel).
- the wireless communication device 201 may transmit additional information (eg, signal strength value) related to the anchors 202 to the portable electronic device 200 through a BLE communication channel.
- the portable electronic device 200 may use the additional information received from the wireless communication device 201 when calculating the time when the UWB signal is received from the anchors 202 through the first UWB communication channel.
- FIG. 8 is a flowchart illustrating a downlink TDoA method positioning communication method in a positioning system according to an embodiment.
- contents overlapping with those of FIGS. 6 and 7 are omitted or briefly described.
- the processor 299 of the portable electronic device 200 uses the wireless communication circuit 210 to communicate with anchors 202 and a first UWB communication channel (eg, shown in FIG. 2 ).
- a first wireless communication channel 261 (first wireless communication channel 501 in FIG. 5A) may be established.
- the processor 299 may periodically receive a UWB signal from the anchors 202 through the first UWB communication channel using the UWB communication circuit 212 .
- the processor 299 generates information (e.g., timestamps) representing the time at which the UWB signal is received from the anchors 202 through the first UWB communication channel, and the generated time information and the anchors 202 Based on the location information, the location of the portable electronic device 200 may be measured.
- information e.g., timestamps
- the processor 299 may recognize the occurrence of a first event while periodically receiving UWB signals from the anchors 202 .
- the processor 299 in response to the occurrence of the first event, connects the anchors 202 and the wireless communication device 201 to the second UWB communication channel (eg, the third wireless communication channel of FIG. 2). 263)) may be transmitted to the wireless communication device 201 via the wireless communication circuitry 210.
- the processor 299 establishes a BLE communication channel between the portable electronic device 200 and the wireless communication device 201 (eg, the second wireless communication channel 262 of FIG. 2 , the second wireless communication of FIG. 5B ) Channel 502) may transmit information to wireless communication device 201.
- Information transmitted to the wireless communication device 201 may include information received from anchors 202 in an operation of establishing a first UWB communication channel.
- the processor 299 may stop reception of the UWB signal by switching the first UWB communication channel to an idle state in response to the occurrence of the first event.
- the processor 299 may provide additional information related to the anchors 202 to the wireless communication device 201 through the BLE communication channel.
- the processor 299 transmits information (eg, RSSI) on the strength of the UWB signal received from each of the anchors 202 as data used to acquire the time point at which the UWB signal was received through the BLE communication channel. It can be provided to the wireless communication device 201 through.
- information eg, RSSI
- the wireless communication device 201 may periodically receive a UWB signal from the anchors 202 through the second UWB communication channel.
- the wireless communication device 201 generates information (e.g., timestamps) representing the time at which the UWB signal is received from the anchors 202 through the second UWB communication channel, and the generated time information and the anchors 202
- the location of the wireless communication device 201 may be measured based on the location information of ).
- the wireless communication device 201 may provide information about the measured location to the portable electronic device 200 through a wireless communication channel (eg, a BLE communication channel).
- the processor 299 stops the positioning communication in the wireless communication device 201 while the positioning communication is being performed by the wireless communication device 201 instead of the portable electronic device 200, and in the portable electronic device 200. It is possible to recognize the occurrence of a second event that triggers resumption.
- the processor 299 may resume reception of the UWB signal by switching the first UWB communication channel to an active state in response to the occurrence of the second event.
- the processor 299 may transmit a message requesting termination of positioning communication to the wireless communication device 201 in response to the occurrence of the second event.
- the wireless communication device 201 may stop reception of the UWB signal by switching the state of the second UWB communication channel to an idle state (or releasing the establishment of the second UWB communication channel).
- the wireless communication device 201 may transmit additional information (eg, signal strength value) related to the anchors 202 to the portable electronic device 200 through a BLE communication channel.
- the portable electronic device 200 may use the additional information received from the wireless communication device 201 when calculating the time at which the UWB signal is received from the anchors 202 through the first UWB communication channel.
- FIG. 9 is a flowchart illustrating a downlink TDoA method positioning communication method in a positioning system according to an embodiment.
- contents overlapping with those of FIGS. 6 , 7 , and 8 are omitted or briefly described.
- the processor 299 of the portable electronic device 200 first connects the anchors 202 and the portable electronic device 200 using the wireless communication circuit 210.
- a UWB communication channel (eg, the first wireless communication channel 261 of FIG. 2 or the first wireless communication channel 501 of FIG. 5A) may be established.
- the processor 299 may periodically receive a UWB signal from the anchors 202 through the first UWB communication channel using the UWB communication circuit 212 .
- a period in which the UWB communication circuit 212 receives the UWB signal may be synchronized with a period in which the anchors 202 generate a clock signal.
- the processor 299 generates information (e.g., timestamps) representing the time at which the UWB signal is received from the anchors 202 through the first UWB communication channel, and determines the relationship between the generated time information and the anchors 202. Based on the location information, the location of the portable electronic device 200 may be measured.
- information e.g., timestamps
- the processor 299 may recognize the occurrence of a third event causing the start of positioning communication in the wireless communication device 201 while periodically receiving UWB signals from the anchors 202.
- the processor 299 in response to the occurrence of the third event, connects the anchors 202 and the wireless communication device 201 to a second UWB communication channel (eg, the third wireless communication channel of FIG. 2 ( 263)), the location information indicating the location of the portable electronic device 200 obtained through positioning communication with the anchors 202 and session information that can be used to establish the wireless communication device through the wireless communication circuit 210 (201).
- the processor 299 establishes a BLE communication channel between the portable electronic device 200 and the wireless communication device 201 (eg, the second wireless communication channel 262 of FIG. 2 , the second wireless communication of FIG. 5B ) Channel 502) may transmit session information and location information to the wireless communication device 201.
- Information transmitted to the wireless communication device 201 may include information received from anchors 202 in an operation of establishing a first UWB communication channel.
- the processor 299 may provide additional information related to the anchors 202 to the wireless communication device 201 through the BLE communication channel. For example, the processor 299 transmits information (eg, RSSI) on the strength of the UWB signal received from each of the anchors 202 as data used to acquire the time point at which the UWB signal was received through the BLE communication channel. It can be provided to the wireless communication device 201 through.
- the processor 299 may provide information indicating the geographical location of the anchors 202 as data used to measure the position of the wireless communication device 201 to the wireless communication device 201 through a BLE communication channel. .
- the processor 299 may periodically receive a UWB signal from the anchors 202 through the first UWB communication channel.
- the wireless communication device 201 may periodically receive a UWB signal from the anchors 202 through the second UWB communication channel.
- the processor 299 generates information (e.g., timestamps) representing the time at which the UWB signal is received from the anchors 202 through the first UWB communication channel, and the generated time information and the anchors 202 The location of the portable electronic device 200 may be measured based on the location information.
- the wireless communication device 201 generates information (eg, timestamps) representing a time point at which a UWB signal is received from the anchors 202 through the second UWB communication channel, and the generated time information and the anchors 202 The location of the wireless communication device 201 may be measured based on the location information of ).
- the processor 299 may share location information of the portable electronic device 200 with the wireless communication device 201 through a BLE communication channel.
- the vehicle 203 can automatically drive to the location where the user 204 is located by using the location information of the portable electronic device 200 and the location information of the wireless communication device 201 .
- the wireless communication device 201 may perform UWB communication separately from the portable electronic device 200 and thus obtain location information of the portable electronic device 200 . Accordingly, in an embodiment, operations 960, 970, and 980 may be omitted from the flowchart of FIG. 9.
- the processor 299 may recognize the occurrence of a fourth event causing interruption of positioning communication in the wireless communication device 201. For example, the processor 299 may receive a signal indicating that the vehicle 203 has arrived at the location where the user 204 is located from the wireless communication device 201 through a BLE communication channel, and receive the signal in a fourth It can be recognized that an event has occurred. In operation 991, the processor 299 may transmit a message requesting termination of positioning communication to the wireless communication device 201 in response to the occurrence of the fourth event. In response to the stop request, the wireless communication device 201 may stop reception of the UWB signal by switching the state of the second UWB communication channel to an idle state (or releasing the establishment of the second UWB communication channel).
- FIG. 10 is a flowchart illustrating operations of a processor 299 in the portable electronic device 200 according to an exemplary embodiment.
- the processor 299 uses the UWB communication circuit 212 to connect the anchors 202 and the portable electronic device 200 to a first UWB communication channel (eg, FIG. 2 ). It is possible to establish a first wireless communication channel 261 of.
- the processor 299 recognizes a first event that causes handover of positioning communication from the portable electronic device 200 to the wireless communication device 201 while positioning communication is being performed through the first UWB communication channel. or can be detected.
- the wireless communication device 201 is illustrated in FIG. 2 as being installed in the vehicle 203, it is not limited thereto.
- the wireless communication device 201 may be another portable device (eg, a notebook PC (personal computer)) of the user 204 .
- the processor 299 stops positioning communication through the first UWB communication channel in response to the occurrence of the first event, and connects the anchors 202 and the wireless communication device 201 to the second UWB.
- Session information necessary to establish a communication channel (eg, the third wireless communication channel 263 of FIG. 2 ) may be transmitted to the wireless communication device 201 using the BLE communication circuit 211 .
- WiFi communication circuitry 213 may be used to transmit session information.
- the processor 299 may recognize that a second event causing resumption of positioning communication through the first UWB communication channel has occurred while positioning communication through the second UWB communication channel is being performed.
- the processor 299 transmits a message requesting termination of positioning communication through the second UWB communication channel, using the BLE communication circuit 211, to the wireless communication device 201. ), and positioning communication through the first UWB communication channel may be resumed.
- a WiFi communication circuit 213 may be used for message transmission.
- an electronic device (eg, the portable electronic device 200 of FIG. 2 ) includes a first short-range wireless communication circuit configured to be used for UWB communication; a second short-range wireless communication circuit configured to be used for short-range wireless communication different from the UWB communication; a processor (eg, processor 299 of FIG. 2 ) operatively coupled to the first NFC circuitry and the second NFC circuitry; and memory operatively coupled to the processor (eg, memory 288 of FIG. 2 ).
- the memory when executed, the processor, in the electronic device while the electronic device performs first UWB communication for positioning with a plurality of first external electronic devices using the first short-range wireless communication circuit.
- Recognizing that a first event causing handover of positioning communication to a second external electronic device has occurred, in response to the occurrence of the first event, stopping positioning communication through the first UWB communication channel, 1 may store instructions for transmitting information used by the second external electronic device for second UWB communication with external electronic devices to the second external electronic device by using the second short range wireless communication circuit; there is.
- the instructions may cause the processor to recognize that a second event causing resumption of the first UWB communication has occurred while the second external electronic device is performing the second UWB communication, and to generate the second event.
- a message requesting termination of the second UWB communication may be transmitted to the second external electronic device using the second short range wireless communication circuit, and the first UWB communication may be resumed.
- the second short-range wireless communication circuit is a BLE communication circuit, and the instructions cause the processor to connect the electronic device to the second external electronic device using the BLE communication circuit, and to perform the connection using the BLE communication circuit. It may be recognized as the occurrence of the first event, and the release of the connection using the BLE communication circuit may be recognized as the occurrence of the second event.
- the processor measures the strength of the RF signal received from the second external electronic device through the second short-range wireless communication circuit, and when the signal strength value obtained through the measurement is within a specified reference value, Recognize that the first event has occurred, and recognize that the second event has occurred when the signal strength value obtained through the measurement exceeds the reference value while the second UWB communication is being performed. there is.
- the instructions include the processor measuring the strength of the RF signal received from the second short-range wireless communication circuit, and based on the amount of change in the signal strength value obtained through the measurement, the second external electronic device and the electronic device. Recognizes a trend of change in the distance between the spaces, recognizes that the first event has occurred when the recognized trend of change is a narrowing trend, and recognizes that the first event has occurred when the recognized trend of change is a trend of becoming farther away, the second event has occurred can be recognized as
- the instructions may cause the processor to receive UWB signals from the first external electronic devices through the first UWB communication, and based on the timing at which the UWB signals are received and geographical location information of the first external electronic devices , the position of the electronic device may be determined.
- the instructions may cause the processor to transmit time information indicating a time point at which the second external electronic device receives UWB signals while the second UWB communication is being performed through the second short-range wireless communication circuit to the second external electronic device. and determine the location of the second external electronic device based on the viewpoint information and the geographical location information of the first external electronic devices.
- the instructions may cause the processor to receive location information of the second external electronic device from the second external electronic device through the second short-range wireless communication circuit while the second UWB communication is being performed.
- the electronic device may further include an application stored in the memory and executed by the processor, a service module, and UWB firmware.
- the application may request positioning communication from the UWB firmware through the service module.
- the UWB firmware sets a state of a channel for the first UWB communication to an active state so that the first UWB communication is performed in the first short-range wireless communication circuit, and the state of the channel is an active state.
- a message informing that it is set to can be transmitted to the application.
- the service module in response to the occurrence of the first event, transmits a message requesting termination of the first UWB communication to the UWB firmware to cause the UWB firmware to switch the state of the channel to an idle state;
- the UWB firmware does not inform the application of the transition to the idle state, and transmits a message requesting the start of the second UWB communication to the second external electronic device through the second short-range wireless communication circuit;
- the UWB firmware In response to the occurrence of the second event, by sending a message requesting resumption of the first UWB communication to the UWB firmware, the UWB firmware converts the state of the channel to the active state and the second UWB firmware
- a message requesting termination of communication may be transmitted to the second external electronic device through the second short-range wireless communication circuit.
- the instructions may cause the processor to include information received from the first external electronic devices in the information when a channel for the first UWB communication is established and transmit the information to the second external electronic device.
- an electronic device (eg, the portable electronic device 200 of FIG. 2 ) includes a first short-range wireless communication circuit configured to be used for UWB communication; a second short-range wireless communication circuit configured to be used for short-range wireless communication different from the UWB communication; a processor (eg, processor 299 of FIG. 2 ) operatively coupled to the first NFC circuitry and the second NFC circuitry; and memory operatively coupled to the processor (eg, memory 288 of FIG. 2 ).
- the memory when executed, causes the processor to perform first UWB communication for positioning with a plurality of first external electronic devices using the first short-range wireless communication circuit, while the electronic device performs first UWB communication for positioning with the first external electronic device.
- the first external electronic devices and the second external electronic device Instructions for transmitting information used by the second external electronic device for second UWB communication to the second external electronic device using the second short range wireless communication circuit may be stored.
- the instructions may cause the processor to recognize that a fourth event causing interruption of the second UWB communication has occurred in the second external electronic device, and in response to the occurrence of the fourth event, to process the second UWB communication.
- a message requesting termination may be transmitted to the second external electronic device using the second short range wireless communication circuit.
- the second external electronic device is installed in the self-driving vehicle, and in the instructions, the processor recognizes that a user input calling the self-driving vehicle is received through the input device of the electronic device as the occurrence of the third event. and recognizing the reception of a specified signal from the second external electronic device as the occurrence of the fourth event.
- the second external electronic device is installed in the self-driving vehicle, and in the instructions, the processor recognizes that a user input calling the self-driving vehicle is received through the input device of the electronic device as the occurrence of the third event. and measuring the strength of the RF signal received from the second external electronic device through the second short-range wireless communication circuit, and when the signal strength value obtained through the measurement is within a specified reference value, the fourth event occurs. can be recognized as occurring.
- the instructions may cause the processor to receive UWB signals from the first external electronic devices for the first UWB communication, and based on a time point at which the UWB signals are received and geographical location information of the first external electronic devices,
- the self-driving vehicle moves to the location of the electronic device by measuring the location of the electronic device and transmitting the location information acquired through the measurement to the second external electronic device using the second short-range wireless communication circuit. You can order them to drive.
- a method of operating an electronic device may include performing first UWB communication for positioning with a plurality of first external electronic devices using a first short-range wireless communication circuit configured to allow the electronic device to be used for UWB communication.
- recognizing that a first event causing handover of positioning communication from the electronic device to the second external electronic device has occurred eg, operations 630, 740, 840, and 1020
- stopping the first UWB communication wherein the second external electronic device is used by the second external electronic device for second UWB communication with the first external electronic devices.
- information to be transmitted to the second external electronic device using a second short-range wireless communication circuit configured to be used for short-range wireless communication other than the UWB communication eg, operations 640, 750, 850, and 1030). can do.
- the method may include recognizing that a second event causing resumption of the first UWB communication has occurred while the second UWB communication is being performed in the second external electronic device (eg, operations 650, 770, 860, 1040); and in response to the occurrence of the second event, transmitting a message requesting termination of the second UWB communication to the second external electronic device using the second short range wireless communication circuit (eg, operation 661, 781, 871, 1050), and resuming the first UWB communication (eg, operations 660, 780, 870, 1050) may be further included.
- a second event causing resumption of the first UWB communication has occurred while the second UWB communication is being performed in the second external electronic device
- transmitting a message requesting termination of the second UWB communication to the second external electronic device using the second short range wireless communication circuit eg, operation 661, 781, 871, 1050
- resuming the first UWB communication eg, operations
- a method of operating an electronic device may include performing first UWB communication for positioning with a plurality of first external electronic devices using a first short-range wireless communication circuit configured to allow the electronic device to be used for UWB communication.
- recognizing that a third event causing the start of second UWB communication for positioning between the first external electronic devices and the second external electronic devices has occurred eg, operation 940
- information used by the second external electronic device for second UWB communication with the first external electronic devices is configured to be used for short-range wireless communication different from the UWB communication.
- An operation of transmitting to the second external electronic device using a second short-range wireless communication circuit (eg, operation 950) may be included.
- the method may include recognizing that a fourth event causing interruption of the second UWB communication has occurred in the second external electronic device (eg, operation 990); and in response to the occurrence of the fourth event, transmitting a message requesting termination of the second UWB communication to the second external electronic device by using the second short range wireless communication circuit (eg, operation 991 ) may be further included.
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Abstract
Description
Claims (15)
- 전자 장치에 있어서,UWB(ultra wide band) 통신을 수행하도록 구성된 제1 무선 통신 회로;상기 UWB 통신과 다른 무선 통신을 수행하도록 구성된 제2 무선 통신 회로;인스트럭션들을 저장하도록 구성된 메모리; 및상기 인스트럭션들을 실행하도록 구성된 프로세서를 포함하고, 상기 프로세서는, 상기 인스트럭션들을 실행하여,상기 제1 무선 통신 회로를 이용하여 복수의 제1 외부 전자 장치들과 제1 UWB 통신 채널을 통해 위치 검출을 위한 제1 UWB 통신을 수행하고,상기 제1 UWB 통신이 수행되는 동안, 상기 전자 장치에서 제2 외부 전자 장치로 상기 위치 검출의 핸드오버에 대응하는 제1 이벤트를 검출하고,상기 제1 이벤트에 기반하여, 상기 제1 UWB 통신 채널을 통한 위치 검출을 중단하고, 상기 제2 무선 통신 회로를 이용하여 상기 제2 외부 전자 장치에게 통신 정보를 전송하도록 구성되고,상기 통신 정보는 상기 제1 외부 전자 장치들과 제2 UWB 통신을 위해 상기 제2 외부 전자 장치에 의해 이용되는 것인 전자 장치.
- 제1 항에 있어서, 상기 프로세서는, 상기 인스트럭션들을 실행하여,상기 제2 UWB 통신이 수행되는 동안, 상기 제1 UWB 통신의 재개에 대응하는 제2 이벤트를 검출하고,상기 제2 이벤트에 기반하여, 상기 제2 UWB 통신의 종료를 요청하는 메시지를, 상기 제2 무선 통신 회로를 이용하여, 상기 제2 외부 전자 장치로 전송하고, 상기 제1 UWB 통신을 재개하도록 더 구성된 전자 장치.
- 제2 항에 있어서, 상기 제2 무선 통신 회로는 BLE(BLUETOOTH low energy) 통신 회로를 포함하되, 상기 프로세서는, 상기 인스트럭션들을 실행하여,상기 BLE 통신 회로를 이용하여 상기 전자 장치와 상기 제2 외부 전자 장치 간의 연결을 수립하고,상기 연결 수립에 기반하여 상기 제1 이벤트를 검출하고,상기 연결의 종료에 기반하여 상기 제2 이벤트를 검출하도록 더 구성된 전자 장치.
- 제2 항 또는 제3 항에 있어서, 상기 프로세서는, 상기 인스트럭션들을 실행하여,상기 제2 무선 통신 회로를 통해 상기 제2 외부 전자 장치로부터 수신된 RF(radio frequency) 신호의 세기를 측정하여 신호 세기 값을 획득하고,상기 신호 세기 값이 지정된 기준 값 이내인 것에 기반하여, 상기 제1 이벤트를 검출하고,상기 제2 UWB 통신이 수행되는 중에 상기 신호 세기 값이 상기 기준 값을 초과한 것에 기반하여, 상기 제2 이벤트를 검출하도록 더 구성된 전자 장치.
- 제2 항 내지 제4 항 중 어느 하나의 항에 있어서, 상기 프로세서는, 상기 인스트럭션들을 실행하여,상기 제2 무선 통신 회로로부터 수신된 RF(radio frequency) 신호의 세기를 측정하여 신호 세기 값을 획득하고,상기 신호 세기 값에서 변화량에 기반하여, 상기 제2 외부 전자 장치와 상기 전자 장치 간의 거리에 대응하는 추세(trend)를 인식하고,상기 추세가 좁혀지는 추세(decreasing trend)인 것에 기반하여, 상기 제1 이벤트를 검출하고,상기 추세가 멀어지는 추세(increasing trend)인 것에 기반하여, 상기 제2 이벤트를 검출하도록 더 구성된 전자 장치.
- 제1 항 내지 제5 항 중 어느 하나의 항에 있어서, 상기 프로세서는, 상기 인스트럭션들을 실행하여,상기 제1 UWB 통신을 통해 상기 제1 외부 전자 장치들로부터 UWB 신호들을 수신하고,상기 UWB 신호들이 수신된 시점 및 상기 제1 외부 전자 장치들의 지리적인 위치 정보에 기반하여, 상기 전자 장치의 위치를 결정하도록 더 구성된 전자 장치.
- 제1 항 내지 제6 항 중 어느 하나의 항에 있어서, 상기 프로세서는, 상기 인스트럭션들을 실행하여,상기 제2 UWB 통신이 수행되는 동안, 상기 제2 외부 전자 장치가 UWB 신호들을 수신한 시점을 나타내는 시점 정보를 상기 제2 무선 통신 회로를 통해 상기 제2 외부 전자 장치로부터 수신하고,상기 시점 정보 및 상기 제1 외부 전자 장치들의 지리적인 위치 정보에 기반하여, 상기 제2 외부 전자 장치의 위치를 결정하도록 더 구성된 전자 장치.
- 제1 항 내지 제7 항 중 어느 하나의 항에 있어서, 상기 프로세서는, 상기 인스트럭션들을 실행하여,상기 제2 UWB 통신이 수행되는 동안, 상기 제2 무선 통신 회로를 통해 상기 제2 외부 전자 장치의 위치 정보를 상기 제2 외부 전자 장치로부터 수신하도록 더 구성된 전자 장치.
- 제2 항 내지 제5 항 중 어느 하나의 항에 있어서, 상기 메모리는 어플리케이션, 서비스 모듈, 및 UWB 펌웨어를 저장하도록 더 구성되되,상기 프로세서는 상기 어플리케이션을 실행하여 상기 서비스 모듈을 통해 상기 UWB 펌웨어에 측위 통신을 요청하도록 더 구성되고,상기 프로세서는 상기 UWB 펌웨어를 실행하여,상기 요청에 기반하여, 상기 제1 무선 통신 회로에서 상기 제1 UWB 통신이 수행되도록 상기 제1 UWB 통신을 위한 채널의 상태를 활성화 상태로 설정하고,상기 채널의 상태가 활성화 상태로 설정되었음을 안내하는 메시지를 상기 어플리케이션으로 전송하도록 더 구성되고,상기 프로세서는, 상기 서비스 모듈을 실행하여,상기 제1 이벤트에 기반하여, 상기 제1 UWB 통신의 중단을 요청하는 메시지를 상기 UWB 펌웨어에 전송함으로써 상기 UWB 펌웨어로 하여금 상기 채널의 상태를 유휴 상태로 전환하게 하고, 상기 UWB 펌웨어로 하여금 상기 유휴 상태로의 전환을 상기 어플리케이션에 안내하지 않게 하고, 상기 제2 UWB 통신의 시작을 요청하는 메시지를 상기 제2 무선 통신 회로를 이용하여 상기 제2 외부 전자 장치로 전송하고,상기 제2 이벤트에 기반하여, 상기 제1 UWB 통신의 재개를 요청하는 메시지를 상기 UWB 펌웨어에 전송함으로써 상기 UWB 펌웨어로 하여금 상기 채널의 상태를 상기 활성화 상태로 전환하게 하고 상기 제2 UWB 통신의 종료를 요청하는 메시지를 상기 제2 무선 통신 회로를 이용하여 상기 제2 외부 전자 장치로 전송하도록 더 구성된 전자 장치.
- 제1 항 내지 제9 항 중 어느 하나의 항에 있어서, 상기 프로세서는, 상기 인스트럭션들을 실행하여,상기 제1 UWB 통신 채널이 수립된 것에 기반하여, 상기 제1 외부 전자 장치들로부터 수신된 정보를 상기 통신 정보에 포함하여 상기 제2 외부 전자 장치에 전송하도록 더 구성된 전자 장치.
- 전자 장치에 있어서,UWB 통신을 수행하도록 구성된 제1 무선 통신 회로;상기 UWB 통신과 다른 무선 통신에 사용되도록 구성된 제2 무선 통신 회로;인스트럭션들을 저장하도록 구성된 메모리; 및상기 인스트럭션들을 실행하도록 구성된 프로세서를 포함하고, 상기 프로세서는, 상기 인스트럭션들을 실행하여,상기 제1 무선 통신 회로를 이용하여 복수의 제1 외부 전자 장치들과 제1 UWB 통신 채널을 통해 위치 검출을 위한 제1 UWB 통신을 수행하고,상기 제1 UWB 통신이 수행되는 동안, 상기 제1 외부 전자 장치들과 제2 외부 전자 장치 사이에서 위치 검출을 위한 제2 UWB 통신의 시작에 대응하는 제3 이벤트를 검출하고,상기 제3 이벤트에 기반하여, 상기 제1 외부 전자 장치들과 제2 UWB 통신을 위해 상기 제2 외부 전자 장치에 의해 사용되는 정보를, 상기 제2 무선 통신 회로를 이용하여, 상기 제2 외부 전자 장치로 전송하도록 구성된 전자 장치.
- 제11 항에 있어서, 상기 프로세서는, 상기 인스트럭션들을 실행하여,상기 제2 외부 전자 장치에 의한 상기 제2 UWB 통신의 종료에 대응하는 제4 이벤트를 검출하고,상기 제4 이벤트에 기반하여, 상기 제2 UWB 통신의 종료를 요청하는 메시지를, 상기 제2 무선 통신 회로를 이용하여, 상기 제2 외부 전자 장치로 전송하도록 더 구성된 전자 장치.
- 제12 항에 있어서, 상기 제2 외부 전자 장치가 자율 주행 차량에 설치되되, 상기 프로세서는, 상기 인스트럭션들을 실행하여,상기 자율 주행 차량을 호출하는 사용자 입력이 상기 전자 장치의 입력 장치를 통해 수신된 것에 기반하여 상기 제3 이벤트를 검출하고,상기 제2 외부 전자 장치로부터 지정된 신호가 수신된 것에 기반하여 상기 제4 이벤트를 검출하도록 더 구성된 전자 장치.
- 제12 항 또는 제13 항에 있어서, 상기 제2 외부 전자 장치가 자율 주행 차량에 설치되되, 상기 프로세서는, 상기 인스트럭션들을 실행하여,상기 자율 주행 차량을 호출하는 사용자 입력이 상기 전자 장치의 입력 장치를 통해 수신된 것에 기반하여 상기 제3 이벤트를 검출하고,상기 제2 무선 통신 회로를 통해 상기 제2 외부 전자 장치로부터 수신된 RF 신호의 세기를 측정하여 신호 세기 값을 획득하고,상기 신호 세기 값이 지정된 기준 값 이내인 것에 기반하여, 상기 제4 이벤트를 검출하도록 더 구성된 전자 장치.
- 제13 항 또는 제14항에 있어서, 상기 프로세서는, 상기 인스트럭션들을 실행하여,상기 제1 UWB 통신을 상기 제1 외부 전자 장치들로부터 UWB 신호들을 수신하고,상기 UWB 신호들이 수신된 시점 및 상기 제1 외부 전자 장치들의 지리적인 위치 정보에 기반하여, 상기 전자 장치의 위치를 결정하고,상기 결정된 위치에 대응하는 위치 정보를, 상기 제2 무선 통신 회로를 이용하여, 상기 제2 외부 전자 장치로 전송함으로써 상기 자율 주행 차량이 상기 전자 장치가 위치한 곳으로 운전해서 오게끔 하도록 더 구성된 전자 장치.
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