WO2024025069A1 - Dispositif électronique de résolution de limitation de réception de signal due à une erreur de connexion sans fil avec un réseau, et procédé d'utilisation de celui-ci - Google Patents

Dispositif électronique de résolution de limitation de réception de signal due à une erreur de connexion sans fil avec un réseau, et procédé d'utilisation de celui-ci Download PDF

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Publication number
WO2024025069A1
WO2024025069A1 PCT/KR2023/004388 KR2023004388W WO2024025069A1 WO 2024025069 A1 WO2024025069 A1 WO 2024025069A1 KR 2023004388 W KR2023004388 W KR 2023004388W WO 2024025069 A1 WO2024025069 A1 WO 2024025069A1
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WIPO (PCT)
Prior art keywords
network
electronic device
error
wireless connection
processor
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PCT/KR2023/004388
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English (en)
Korean (ko)
Inventor
배장군
김성식
이경호
Original Assignee
삼성전자 주식회사
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Priority claimed from KR1020220102202A external-priority patent/KR20240015539A/ko
Application filed by 삼성전자 주식회사 filed Critical 삼성전자 주식회사
Publication of WO2024025069A1 publication Critical patent/WO2024025069A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/04—Arrangements for maintaining operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/02—Access restriction performed under specific conditions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/18—Selecting a network or a communication service
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/18—Management of setup rejection or failure

Definitions

  • Various embodiments of the present invention relate to an electronic device and a method of operating the same for improving signal reception limitations caused by wireless connection errors with a network.
  • wireless communication may include a communication technology in which a transmitting device and a receiving device transmit and/or receive signals (or data) via radio resources (e.g., frequency and/or time).
  • radio resources e.g., frequency and/or time
  • the status of wireless resources may change irregularly. If an error occurs in the wireless connection to the network due to a change in the state of wireless resources, the electronic device may be limited in receiving signals (or data) from the network. For example, the electronic device may have limited signal reception from the network due to high frequency error, timing error, and/or AGC drop with the network.
  • Various embodiments of the present invention disclose an apparatus and method for improving reception restrictions of signals (or data) due to wireless connection errors with a network in an electronic device.
  • an electronic device may include a communication circuit and at least one processor operatively connected to the communication circuit.
  • the processor may check whether an error in the wireless connection with the network is detected during a specified period of time based on detection of an error in the wireless connection with the network to which the electronic device is connected.
  • the processor may identify information related to a failure to detect data received from the network during a specified time period based on continuous detection of errors in the wireless connection with the network during the specified time period.
  • the processor may perform cell selection based on information related to failure to detect data received from an identified network during a specified time.
  • the electronic device may check whether an error in the wireless connection with the network is detected for a specified period of time based on detection of an error in the wireless connection with the network to which the electronic device is connected. According to one embodiment, the electronic device may check information related to failure to detect data received from the network for a specified time based on continuous detection of an error in the wireless connection with the network for a specified time. According to one embodiment, cell selection may be performed based on information related to failure to detect data received from a confirmed network during a specified time.
  • a non-transitory computer-readable storage medium (or computer program product) storing one or more programs may be described.
  • one or more programs when executed by a processor of an electronic device, use at least one wireless resource for the wireless LAN communication when the space reuse function is not used, based on a monitoring result of the wireless LAN communication.
  • an electronic device determines that a communication function limitation state (or disable state) is confirmed based on error detection information related to a wireless connection with a network acquired during a specified time and information related to data detection failure.
  • a communication function limitation state or disable state
  • an electronic device controls (or manages) a cell for the electronic device to access based on information related to a cell with a limited communication function, thereby transmitting signals (or data) by accessing a cell with a limited communication function. Reception restrictions or reception delays can be improved.
  • FIG. 1 is a block diagram of an electronic device according to various embodiments of the present invention.
  • FIG. 2 is a block diagram of an electronic device for wireless connection to a network according to various embodiments.
  • FIG. 3 is a flowchart for wireless connection to a network in an electronic device according to various embodiments.
  • FIG. 4 is an example of detecting a network communication function restriction state in an electronic device according to various embodiments.
  • FIG. 5 is an example of detecting a network communication function restriction state in the AS of an electronic device according to various embodiments.
  • FIG. 6 is an example of detecting a network communication function restriction state in a NAS of an electronic device according to various embodiments.
  • FIG. 7 is an example of detecting a network communication function restriction state in an RRC connection state in an electronic device according to various embodiments.
  • FIG. 8 is an example of detecting a network communication function restriction state in an RRC connection state in an electronic device according to various embodiments.
  • FIG. 9 is a flowchart for managing a cell in which a communication function restriction state is detected in an electronic device according to various embodiments.
  • FIG. 1 is a block diagram of an electronic device 101 in a network environment 100, according to various embodiments.
  • the electronic device 101 communicates with the electronic device 102 through a first network 198 (e.g., a short-range wireless communication network) or a second network 199. It is possible to communicate with the electronic device 104 or the server 108 through (e.g., a long-distance wireless communication network). According to one embodiment, the electronic device 101 may communicate with the electronic device 104 through the server 108.
  • a first network 198 e.g., a short-range wireless communication network
  • a second network 199 e.g., a second network 199.
  • the electronic device 101 may communicate with the electronic device 104 through the server 108.
  • the electronic device 101 includes a processor 120, a memory 130, an input module 150, an audio output module 155, a display module 160, an audio module 170, and a sensor module ( 176), interface 177, connection terminal 178, haptic module 179, camera module 180, power management module 188, battery 189, communication module 190, subscriber identification module 196 , or may include an antenna module 197.
  • at least one of these components eg, the connection terminal 178) may be omitted or one or more other components may be added to the electronic device 101.
  • some of these components e.g., sensor module 176, camera module 180, or antenna module 197) are integrated into one component (e.g., display module 160). It can be.
  • the processor 120 for example, executes software (e.g., program 140) to operate at least one other component (e.g., hardware or software component) of the electronic device 101 connected to the processor 120. It can be controlled and various data processing or calculations can be performed. According to one embodiment, as at least part of data processing or computation, the processor 120 stores instructions or data received from another component (e.g., sensor module 176 or communication module 190) in volatile memory 132. The commands or data stored in the volatile memory 132 can be processed, and the resulting data can be stored in the non-volatile memory 134.
  • software e.g., program 140
  • the processor 120 stores instructions or data received from another component (e.g., sensor module 176 or communication module 190) in volatile memory 132.
  • the commands or data stored in the volatile memory 132 can be processed, and the resulting data can be stored in the non-volatile memory 134.
  • the processor 120 includes the main processor 121 (e.g., a central processing unit or an application processor) or an auxiliary processor 123 that can operate independently or together (e.g., a graphics processing unit, a neural network processing unit ( It may include a neural processing unit (NPU), an image signal processor, a sensor hub processor, or a communication processor).
  • the main processor 121 e.g., a central processing unit or an application processor
  • an auxiliary processor 123 e.g., a graphics processing unit, a neural network processing unit ( It may include a neural processing unit (NPU), an image signal processor, a sensor hub processor, or a communication processor.
  • the electronic device 101 includes a main processor 121 and a secondary processor 123
  • the secondary processor 123 may be set to use lower power than the main processor 121 or be specialized for a designated function. You can.
  • the auxiliary processor 123 may be implemented separately from the main processor 121 or as part of it.
  • the auxiliary processor 123 may, for example, act on behalf of the main processor 121 while the main processor 121 is in an inactive (e.g., sleep) state, or while the main processor 121 is in an active (e.g., application execution) state. ), together with the main processor 121, at least one of the components of the electronic device 101 (e.g., the display module 160, the sensor module 176, or the communication module 190) At least some of the functions or states related to can be controlled.
  • co-processor 123 e.g., image signal processor or communication processor
  • may be implemented as part of another functionally related component e.g., camera module 180 or communication module 190. there is.
  • the auxiliary processor 123 may include a hardware structure specialized for processing artificial intelligence models.
  • Artificial intelligence models can be created through machine learning. For example, such learning may be performed in the electronic device 101 itself, where artificial intelligence is performed, or may be performed through a separate server (e.g., server 108).
  • Learning algorithms may include, for example, supervised learning, unsupervised learning, semi-supervised learning, or reinforcement learning, but It is not limited.
  • An artificial intelligence model may include multiple artificial neural network layers.
  • Artificial neural networks include deep neural network (DNN), convolutional neural network (CNN), recurrent neural network (RNN), restricted boltzmann machine (RBM), belief deep network (DBN), bidirectional recurrent deep neural network (BRDNN), It may be one of deep Q-networks or a combination of two or more, but is not limited to the examples described above.
  • artificial intelligence models may additionally or alternatively include software 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. Data may include, for example, input data or output data for software (e.g., program 140) and instructions related thereto.
  • 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 application 146.
  • the input module 150 may receive commands or data to be used in a component of the electronic device 101 (e.g., the processor 120) from outside the electronic device 101 (e.g., a user).
  • the input module 150 may include, for example, a microphone, mouse, keyboard, keys (eg, buttons), or digital pen (eg, 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. Speakers can be used for general purposes such as multimedia playback or recording playback.
  • the receiver can be used to receive incoming calls. According to one embodiment, the receiver may be implemented separately from the speaker or as part of it.
  • the display module 160 can 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 can convert sound into an electrical signal or, conversely, convert an electrical signal into sound. According to one embodiment, the audio module 170 acquires sound through the input module 150, the sound output module 155, or an external electronic device (e.g., directly or wirelessly connected to the electronic device 101). Sound may be output through the electronic device 102 (e.g., speaker or headphone).
  • the electronic device 102 e.g., speaker or headphone
  • the sensor module 176 detects the operating state (e.g., power or temperature) of the electronic device 101 or the external environmental state (e.g., user state) and generates an electrical signal or data value corresponding to the detected state. can do.
  • the sensor module 176 includes, 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 IR (infrared) sensor, a biometric sensor, It may include a temperature sensor, humidity sensor, or light sensor.
  • the interface 177 may support one or more designated protocols that can be used to connect the electronic device 101 directly or wirelessly with an external electronic device (eg, the electronic device 102).
  • the interface 177 may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.
  • 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 can be physically connected to an external electronic device (eg, the electronic device 102).
  • the connection terminal 178 may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (eg, a headphone connector).
  • the haptic module 179 can convert electrical signals into mechanical stimulation (e.g., vibration or movement) or electrical stimulation that the user can 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 can capture still images and moving images.
  • the camera module 180 may include one or more lenses, image sensors, image signal processors, or flashes.
  • the power management module 188 can manage power supplied to the electronic device 101.
  • the power management module 188 may be implemented as at least a part of, for example, a power management integrated circuit (PMIC).
  • PMIC power management integrated circuit
  • the battery 189 may supply power to at least one component of the electronic device 101.
  • the battery 189 may include, for example, a non-rechargeable primary battery, a rechargeable secondary battery, or a fuel cell.
  • Communication module 190 is configured to provide a direct (e.g., wired) communication channel or wireless communication channel between electronic device 101 and an external electronic device (e.g., electronic device 102, electronic device 104, or server 108). It can support establishment and communication through established communication channels. Communication module 190 operates independently of processor 120 (e.g., an application processor) and may include one or more communication processors that support direct (e.g., wired) communication or wireless communication.
  • processor 120 e.g., an application processor
  • the communication module 190 may be a wireless communication module 192 (e.g., 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 (e.g., : LAN (local area network) communication module, or power line communication module) may be included.
  • a wireless communication module 192 e.g., 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 e.g., : LAN (local area network) communication module, or power line communication module
  • the corresponding communication module is a first network 198 (e.g., a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)) or a second network 199 (e.g., legacy It may communicate with an external electronic device 104 through a telecommunication network such as a cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (e.g., LAN or WAN).
  • a telecommunication network such as a cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (e.g., LAN or WAN).
  • a telecommunication network such as a cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (e.g., LAN or WAN).
  • a telecommunication network such as a cellular network, a 5G network, a next-generation communication network
  • the wireless communication module 192 uses subscriber information (e.g., 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 e.g., International Mobile Subscriber Identifier (IMSI)
  • IMSI International Mobile Subscriber Identifier
  • the wireless communication module 192 may support 5G networks after 4G networks and next-generation communication technologies, for example, NR access technology (new radio access technology).
  • NR access technology provides high-speed transmission of high-capacity data (eMBB (enhanced mobile broadband)), minimization of terminal power and access to multiple terminals (mMTC (massive machine type communications)), or high reliability and low latency (URLLC (ultra-reliable and low latency). -latency communications)) can be supported.
  • the wireless communication module 192 may support high frequency bands (eg, mmWave bands), for example, to achieve high data rates.
  • the wireless communication module 192 uses various technologies to secure performance in high frequency bands, for example, beamforming, massive array multiple-input and multiple-output (MIMO), and full-dimensional multiplexing. It can support technologies such as input/output (FD-MIMO: full dimensional MIMO), array antenna, analog beam-forming, or large scale antenna.
  • the wireless communication module 192 may support various requirements specified in the electronic device 101, an external electronic device (e.g., electronic device 104), or a network system (e.g., second network 199).
  • the wireless communication module 192 supports Peak data rate (e.g., 20 Gbps or more) for realizing eMBB, loss coverage (e.g., 164 dB or less) for realizing mmTC, or U-plane latency (e.g., 164 dB or less) for realizing URLLC.
  • Peak data rate e.g., 20 Gbps or more
  • loss coverage e.g., 164 dB or less
  • U-plane latency e.g., 164 dB or less
  • the antenna module 197 may transmit or receive signals or power to or from the outside (eg, an external electronic device).
  • the antenna module 197 may include an antenna including a radiator made 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 the communication method used in the communication network, such as the first network 198 or the second network 199, is selected from the plurality of antennas by, for example, the communication module 190. It can be. Signals or power may be transmitted or received between the communication module 190 and an external electronic device through at least one selected antenna.
  • other components eg, radio frequency integrated circuit (RFIC) may be additionally formed as part of the antenna module 197.
  • RFIC radio frequency integrated circuit
  • the antenna module 197 may form a mmWave antenna module.
  • a mmWave antenna module includes a printed circuit board, an RFIC disposed on or adjacent to a first side (e.g., bottom side) of the printed circuit board and capable of supporting a designated high frequency band (e.g., mmWave band), and It may include a plurality of antennas (e.g., array antennas) disposed on or adjacent to the second side (e.g., top or side) of the printed circuit board and capable of transmitting or receiving signals in a designated high frequency band. .
  • peripheral devices e.g., 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 of the same or different type as the electronic device 101.
  • all or part of the operations performed in the electronic device 101 may be executed in one or more of the external electronic devices 102, 104, or 108. For example, 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 does not execute the function or service on its own. Alternatively, or additionally, one or more external electronic devices may be requested to perform at least part of the function or service.
  • One or more external electronic devices that have received the request may execute at least part of the requested function or service, or an additional function or service related to the request, and transmit the result of the execution to the electronic device 101.
  • the electronic device 101 may process the result as is or additionally and provide it as at least part of a response to the request.
  • cloud computing distributed computing, mobile edge computing (MEC), or client-server computing technology can 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.
  • 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 (e.g., smart home, smart city, smart car, or healthcare) based on 5G communication technology and IoT-related technology.
  • Electronic devices may be of various types.
  • Electronic devices may include, for example, portable communication devices (e.g., smartphones), computer devices, portable multimedia devices, portable medical devices, cameras, wearable devices, or home appliances.
  • Electronic devices according to embodiments of this document are not limited to the above-described devices.
  • first, second, or first or second may be used simply to distinguish one component from another, and to refer to that component in other respects (e.g., importance or order) is not limited.
  • One (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.”
  • any of the components can be connected to the other components directly (e.g. wired), wirelessly, or through a third component.
  • module may include a unit implemented in hardware, software, or firmware, and may be interchangeable with terms such as logic, logic block, component, or circuit, for example.
  • a module may be an integrated part or a minimum unit of the parts or a part 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
  • Various embodiments of the present document are one or more instructions stored in a storage medium (e.g., built-in memory 136 or external memory 138) that can be read by a machine (e.g., electronic device 101). It may be implemented as software (e.g., program 140) including these.
  • a processor e.g., processor 120
  • the one or more instructions may include code generated by a compiler or code that can be executed by an interpreter.
  • a storage medium that can be read by a device may be provided in the form of a non-transitory storage medium.
  • 'non-transitory' only means that the storage medium is a tangible device and does not contain signals (e.g. electromagnetic waves), and this term refers to cases where data is semi-permanently stored in the storage medium. There is no distinction between temporary storage cases.
  • Computer program products are commodities and can be traded between sellers and buyers.
  • the computer program product may be distributed in the form of a machine-readable storage medium (e.g. compact disc read only memory (CD-ROM)) or via an application store (e.g. Play Store TM ) or on two user devices (e.g. It can be distributed (e.g. downloaded or uploaded) directly between smart phones) or online.
  • a machine-readable storage medium e.g. compact disc read only memory (CD-ROM)
  • an application store e.g. Play Store TM
  • two user devices e.g. It can be distributed (e.g. downloaded or uploaded) directly between smart phones) or online.
  • at least a portion of the computer program product may be at least temporarily stored or temporarily created in a machine-readable storage medium, such as the memory of a manufacturer's server, an application store's server, or a relay server.
  • each component (e.g., module or program) of the above-described components may include a single or multiple entities, and some of the multiple entities may be separately placed in other components.
  • one or more of the components or operations described above may be omitted, or one or more other components or operations may be added.
  • multiple components eg, modules or programs
  • the integrated component may perform one or more functions of each component of the plurality of components identically or similarly to those performed by the corresponding component of the plurality of components prior to the integration. .
  • operations performed by a module, program, or other component may be executed sequentially, in parallel, iteratively, or heuristically, or one or more of the operations may be executed in a different order, omitted, or , or one or more other operations may be added.
  • FIG. 2 is a block diagram of an electronic device for wireless connection to a network according to various embodiments.
  • the electronic device 101 may include a processor 200, a communication circuit 210, and/or a memory 220.
  • the processor 200 may be substantially the same as the processor 120 of FIG. 1 or may be included in the processor 120.
  • the communication circuit 210 may be substantially the same as the wireless communication module 192 of FIG. 1 or may be included in the wireless communication module 192.
  • the memory 220 may be substantially the same as the memory 130 of FIG. 1 or may be included in the memory 130.
  • the processor 200 may be operatively, functionally, and/or electrically connected to the communication circuit 210 and/or the memory 220.
  • the processor 200 may detect an error in wireless connection with a network (or cell) to which the electronic device 101 is connected (or registered). According to one embodiment, the processor 200 determines the frequency, timing, or automatic gain (AGC) for wireless communication with the network based on a signal received from the network at a specified period through the communication circuit 210. control) can be checked. As an example, the designated period is an interval set for the electronic device 101 to transmit and/or receive signals from the network, and may be set differently based on radio resource control (RRC) status. As an example, the RRC state may include at least one of RRC idle state, RRC inactive state, or RRC connected state.
  • AGC automatic gain
  • the processor 200 may compare an error of at least one of frequency, timing, or AGC for wireless communication with a network with a specified reference value. For example, if the error in at least one of frequency, timing, or AGC for wireless communication with the network exceeds a specified reference value, the processor 200 may determine that an error has occurred in the wireless connection with the network. For example, if the errors in frequency, timing, and AGC for wireless communication with the network are less than or equal to a specified reference value, the processor 200 may determine that no error has occurred in the wireless connection with the network.
  • the designated reference value is a reference value for detecting an error in a wireless connection with a network based on at least one of frequency, timing, or AGC, and may be set based on the characteristics of the communication circuit 210.
  • errors in the wireless connection to the network may include high frequency errors, timing errors, and/or AGC drops.
  • high-frequency error may indicate a state in which a frequency error (e.g., frequency offset) for wireless communication with a network exceeds a specified reference frequency error value.
  • a timing error (or time tracking loop (TTL) error) may represent a state in which the timing error for wireless communication with a network exceeds a specified reference timing error value.
  • AGC drop may indicate a state in which the AGC error for wireless communication with the network exceeds a specified reference AGC error value.
  • the processor 200 determines whether an error in the wireless connection with a network to which the electronic device 101 is connected (or registered) is detected during a specified time. You can check it. According to one embodiment, the processor 200 may continuously check whether an error in the wireless connection to the network is detected for a specified period of time. According to one embodiment, the processor 200 may check whether an error in the wireless connection with the network is detected based on a specified cycle during a specified time. According to one embodiment, the processor 200 configures communications circuitry 210 to maintain the frequency, timing, and AGC being used for the wireless connection with the network to determine if an error with the wireless connection with the network is detected for a specified period of time. You can control it.
  • the communication circuit 210 may maintain the frequency, timing, and AGC being used for the wireless connection with the network at the same value for a specified period of time from the time of detecting an error with the wireless connection with the network without correction.
  • the designated time is a time for determining that an error has occurred in the wireless connection to the network, and may be set as an integer multiple of the active period for discontinuous reception (DRX).
  • an active cycle for discontinuous reception (DRX) may include a DRX active cycle in an RRC idle state (e.g., idle DRX) or a DRX active cycle in an RRC connected state (e.g., connected mode DRX (CDRX)). You can.
  • the processor 200 when the processor 200 detects an error in the wireless connection with the network to which the electronic device 101 is connected (or registered), the processor 200 detects data (or signals) received from the network for a specified time. You can check whether this is performed normally.
  • the processor 200 e.g., access stratum (AS)
  • AS access stratum
  • the processor 200 detects an error in the wireless connection with the network in the L1 layer (e.g., firmware)
  • the processor 200 e.g., physical downlink control (PDCCH) in the RRC idle state
  • PDCCH physical downlink control
  • PDCCH data may be received from the network based on a specified period (e.g., idle DRX) for a specified time in the RRC idle state.
  • a specified period e.g., idle DRX
  • the processor 200 e.g., NAS (non-access stratum)
  • the processor 200 detects an error in the wireless connection with the network in the L1 layer (e.g., firmware)
  • the processor 200 detects an error in the wireless connection with the network in the RRC idle state.
  • SIB may be received from the network based on a specified period (e.g., idle DRX) for a specified time in the RRC idle state.
  • the processor 200 when the processor 200 (e.g., NAS) detects an error in the wireless connection with the network in the L1 layer (e.g., firmware), it can check whether a paging signal is received from the network in the RRC idle state. there is. For example, the processor 200 may check, through the communication circuit 210, whether a paging signal is received from the network based on a specified period (e.g., idle DRX) during a specified time in the RRC idle state.
  • a specified period e.g., idle DRX
  • the processor 200 detects an error in the wireless connection with the network in the L1 layer (e.g., firmware)
  • the processor 200 detects an error in the wireless connection with the network in the RRC connection state through a physical downlink shared channel (PDSCH).
  • PDSCH data may be received from the network based on a specified period (e.g., CDRX or subframe unit) for a specified time in the RRC connection state.
  • a state in which data detection is normally performed may include a state in which decoding of data received from the network is successful.
  • a state in which data detection is not performed normally may include a state in which decoding of data received from the network has failed.
  • the processor 200 when an error in the wireless connection with the network is detected during a specified time, connects the network to which the electronic device 101 is connected based on the detection failure information of data confirmed during the specified time. You can check whether communication functions can be provided.
  • the processor 200 detects an error in the wireless connection with the network during a specified time in the RRC idle state, and when the number of detections of PDCCH data exceeds the specified first reference number. , it may be determined that the communication function cannot be provided through the network to which the electronic device 101 is connected.
  • a state in which the number of detections of PDCCH data exceeds a specified first reference number may include a state in which all detections of PDCCH data fail for a specified time.
  • the processor 200 is an electronic device ( 101) may be determined to be unable to provide communication functions through the connected network.
  • a state in which the number of detections of SIBs exceeds a specified second reference number may include a state in which all detections of SIBs fail for a specified time.
  • the processor 200 detects an error in the wireless connection with the network for a specified time in the RRC idle state, the number of detections of data in the SIB exceeds the specified second reference number, and paging is performed for the specified time. If the signal is not received, it may be determined that the electronic device 101 cannot provide a communication function through the connected network.
  • the processor 200 detects an error in the wireless connection with the network during a specified time in the RRC connection state, and when the number of detections of PDSCH data exceeds the specified third reference number, the electronic device 101 ) can be judged to be limited in the provision of communication functions through the connected network.
  • a state in which the number of detections of PDSCH data exceeds the designated third reference number may include a state in which all detections of PDSCH data fail for a designated time.
  • the processor 200 may control the communication circuit 210 to perform cell selection based on a determination that the electronic device 101 cannot provide a communication function through a connected network. .
  • the processor 200 may synchronize the frequency and/or time with the network (or cell) to which the electronic device 101 is newly connected (or registered) through cell selection.
  • the electronic device 101 selects a network (or cell) and a frequency and/or information based on synchronization-related information (e.g., synchronization signal and PBCH block (SSB)) obtained from a newly connected network through cell selection. Time can be synchronized.
  • SSB may include a primary synchronization signal (PSS) and a second synchronization signal (SSS).
  • the processor 200 when the processor 200 detects an error in the wireless connection with a network (or cell) to which the electronic device 101 is connected (or registered), the processor 200 transmits error detection information related to the wireless connection to the network.
  • the communication circuit 210 can be controlled to do so.
  • the processor 200 uses the communication circuit 210 to transmit information related to the limitation of the communication function to the network. can be controlled.
  • the processor 200 determines that a communication function cannot be provided through a network to which the electronic device 101 is connected, the processor 200 provides information related to the network (or cell) determined to be unable to provide the communication function. can be saved.
  • the processor 200 controls the communication circuit 210 to limit access to a specific network (or cell) based on the number of times it is determined that the specific network (or cell) cannot provide a communication function. can do. For example, if the number of times it is determined that a communication function cannot be provided in a specific network (or cell) exceeds the specified limit, the processor 200 stores information related to the specific network (or cell) in the access restriction list.
  • the processor 200 lowers the access priority of the specific network (or cell) to a relatively low level. You can set it. For example, the processor 200 adds information related to a specific network (or cell) determined to be unable to provide a communication function based on the number of neighboring networks (or neighboring cells) to the access restriction list, or adds a specific network (or cell) to the access restriction list. Alternatively, the access priority of the cell) can be set relatively low.
  • the processor 200 may add information related to a specific network (or cell) to the access restriction list. For example, when the number of neighboring networks (or neighboring cells) is less than a specified reference number, the processor 200 may set the access priority of a specific network (or cell) to be relatively low.
  • the processor 200 may correct at least one of frequency, timing, or AGC for wireless communication with the network.
  • the processor 200 may control the communication circuit 210 to perform wireless communication with the network based on corrected information of at least one of frequency, timing, or AGC.
  • the processor 200 determines that no error in the wireless connection with the network has been detected when the errors in frequency, timing, and AGC for wireless communication with the network within a specified time are less than or equal to a specified reference value. can do.
  • the communication circuit 210 transmits and/or receives signals and/or data to and from at least one external electronic device (e.g., electronic device 102 or 104 or server 108 of FIG. 1). Support is available.
  • the communication circuit 210 may include a first communication module and a second communication module.
  • the first communication module may support transmission and/or reception of control messages and/or data with a first node (eg, a new radio (NR) base station) through first wireless communication.
  • the first wireless communication may include a 5th generation communication method (eg, NR communication method).
  • the second communication module may support transmission and/or reception of control messages and/or data with a second node (eg, a long-term evolution (LTE) base station) through second wireless communication.
  • a second node eg, a long-term evolution (LTE) base station
  • the second wireless communication is a 4th generation communication method and may include at least one of LTE, LTE-advanced (LTE-A), or LTE advanced pro (LTE-A pro).
  • the first communication module and the second communication module may be composed of software that processes signals and protocols of different frequency bands.
  • the first communication module and the second communication module may be logically (eg, software) separated.
  • the first communication module and the second communication module may be composed of different circuits or different hardware.
  • the memory 220 may store various data used by at least one component (e.g., the processor 200 and/or the communication circuit 210) of the electronic device 101.
  • memory 220 may store various instructions that can be executed through processor 200.
  • an electronic device e.g., the electronic device 101 of FIG. 1 or FIG. 2 includes a communication circuit (e.g., the wireless communication module 192 of FIG. 1 or the communication circuit 210 of FIG. 2), and at least one processor (eg, processor 120 of FIG. 1 or processor 200 of FIG. 2) operatively connected to the communication circuit.
  • the processor may check whether an error in the wireless connection with the network is detected during a specified period of time based on detection of an error in the wireless connection with the network to which the electronic device is connected.
  • the processor may identify information related to a failure to detect data received from the network during a specified time period based on continuous detection of errors in the wireless connection with the network during the specified time period.
  • the processor may perform cell selection based on information related to failure to detect data received from an identified network during a specified time.
  • At least one processor detects an error in the wireless connection with the network when at least one error of frequency, timing, or automatic gain control (AGC) associated with the wireless connection with the network exceeds a specified reference value. It can be determined that has been detected.
  • AGC automatic gain control
  • At least one processor may check whether an error in the wireless connection with the network is detected while maintaining the frequency, timing, and AGC related to the wireless communication with the network for a specified time.
  • the at least one processor is configured to, when an error in the frequency, timing, and AGC associated with the wireless communication with the network is detected to be below a specified reference value within a specified time, the frequency, timing, or AGC associated with the wireless communication with the network is detected. At least one of the AGC may be corrected, and communication with a network may be performed based on the corrected information of at least one of the frequency, the timing, or the AGC.
  • At least one processor when an error in the wireless connection with the network is continuously detected for a specified time, information related to failure to detect data of a physical downlink control channel (PDCCH) received from the network for a specified time , It may be determined whether to perform cell selection based on at least one of information related to failure to detect a system information block (SIB) or information related to reception of a paging signal.
  • SIB system information block
  • At least one processor when an error in the wireless connection with the network is continuously detected for a specified time, information related to failure to detect data of a physical downlink shared channel (PDSCH) received from the network for a specified time Based on , it can be determined whether cell selection is performed.
  • PDSCH physical downlink shared channel
  • At least one processor may synchronize frequency and time with a newly connected network based on a synchronization signal and PBCH block (SSB) received from the newly connected network through cell selection.
  • SSB PBCH block
  • At least one processor may check the number of error occurrences of the network to which the electronic device is connected based on the performance of cell selection and add the network to the no-access list based on the number of error occurrences of the network. there is.
  • At least one processor may check the number of errors in the network to which the electronic device is connected based on cell selection, and update the connection priority of the network based on the number of errors in the network. there is.
  • At least one processor may transmit error detection information related to the wireless connection to the network to the network based on error detection of the wireless connection to the network to which the electronic device is connected.
  • FIG. 3 is a flowchart 300 for wireless connection to a network in an electronic device according to various embodiments.
  • each operation may be performed sequentially, but is not necessarily performed sequentially.
  • the order of each operation may be changed, and at least two operations may be performed in parallel.
  • the electronic device of FIG. 3 may be the electronic device 101 of FIG. 1 or FIG. 2 .
  • an electronic device e.g., the processor 120 of FIG. 1 or the processor 200 of FIG. 2 connects to (or is registered with) a network to which the electronic device 101 is connected (or registered). You can check whether an error in the wireless connection with (or cell) is detected.
  • the processor 200 determines the frequency, timing, or AGC for wireless communication with the network through data (or signals) received from the network at a specified period through the communication circuit 210. You can check at least one of (automatic gain control). For example, the designated period may represent a set interval for the electronic device 101 to transmit and/or receive signals to and from the network.
  • the designated cycle may include a DRX active cycle in the RRC idle state (e.g., idle DRX).
  • the designated cycle may include a DRX active cycle (e.g., connected mode DRX (CDRX)) in an RRC connection state.
  • CDRX connected mode DRX
  • the processor 200 may determine that an error has occurred in the wireless connection with the network when the error in at least one of frequency, timing, or AGC for wireless communication with the network exceeds a specified reference value. there is. According to one embodiment, the processor 200 may determine that no error has occurred in the wireless connection with the network when the errors in frequency, timing, and AGC for wireless communication with the network are less than or equal to a specified reference value.
  • the designated reference value may be a designated reference frequency error value for detecting an error in the wireless connection based on a frequency error, a designated reference timing error value for detecting an error in the wireless connection based on the timing error, and/or AGC. It may include a designated reference AGC error value for detecting errors in wireless connection based on the error of .
  • the electronic device e.g., the processor 120 or 200 wirelessly connects to the network.
  • One embodiment for connection may end.
  • the processor 200 may correct at least one of frequency, timing, or AGC for wireless communication with the network.
  • the processor 200 may control the communication circuit 210 to perform wireless communication with the network based on corrected information of at least one of frequency, timing, or AGC.
  • the network You can check whether errors are detected in the data received from.
  • the processor 200 e.g., AS
  • the processor 200 detects an error in the wireless connection with the network
  • the processor 200 receives data from the network through the PDCCH based on a specified cycle in the RRC idle state. You can check whether the detection of data) is performed normally. For example, if PDCCH data is detected normally, the processor 200 may determine that no error is detected in the data received from the network. For example, if the processor 200 fails to detect PDCCH data, it may determine that an error has been detected in the data received from the network.
  • the processor 200 e.g., NAS
  • the processor 200 checks whether detection of the SIB received from the network is performed normally based on a specified cycle in the RRC idle state. You can. For example, when the processor 200 detects the SIB normally, it may determine that no error is detected in the data received from the network. For example, if the processor 200 fails to detect the SIB, it may determine that an error has been detected in the data received from the network.
  • the processor 200 may check whether a paging signal is received from the network in the RRC idle state. For example, when the processor 200 receives a paging signal in a designated period, it may determine that no error is detected in the data received from the network. For example, if a paging signal is not received in a designated period, the processor 200 may determine that an error has been detected in data received from the network.
  • the processor 200 when the processor 200 (e.g., AS) detects an error in the wireless connection with the network, the processor 200 (e.g., PDSCH) receives data from the network through PDSCH based on a specified period in the RRC connection state. You can check whether the detection of data) is performed normally. For example, when PDSCH data is detected normally, the processor 200 may determine that no error is detected in the data received from the network. For example, if the processor 200 fails to detect PDSCH data, it may determine that an error has been detected in the data received from the network.
  • the processor 200 e.g., AS
  • the processor 200 receives data from the network through PDSCH based on a specified period in the RRC connection state. You can check whether the detection of data) is performed normally. For example, when PDSCH data is detected normally, the processor 200 may determine that no error is detected in the data received from the network. For example, if the processor 200 fails to detect PDSCH data, it may determine that an error has been detected in the data received from
  • the electronic device e.g., processor 120 or 200 performs a task for wireless connection with the network.
  • the example can be ended.
  • the electronic device e.g., processor 120 or 200
  • the electronic device establishes a wireless connection with the network in operation 305.
  • the designated time is the time for determining that an error has occurred in the wireless connection to the network, and may be set to an integer multiple of the active period for discontinuous reception (DRX).
  • an active cycle for discontinuous reception (DRX) may include a DRX active cycle in an RRC idle state (e.g., idle DRX) or a DRX active cycle in an RRC connected state (e.g., CDRX).
  • the electronic device e.g., processor 120 or 200
  • detects an error in the wireless connection with the network e.g., 'No' in operation 305
  • the processor 200 may check whether an error in the wireless connection to the network is detected based on a specified period for a specified period of time from the time an error in the wireless connection to the network is first detected.
  • the processor 200 configures communications circuitry 210 to maintain the frequency, timing, and AGC being used for the wireless connection with the network to determine if an error with the wireless connection with the network is detected for a specified period of time. You can control it.
  • the communication circuit 210 may maintain the frequency, timing, and AGC being used for the wireless connection with the network at the same value for a specified period of time from the time of detecting an error with the wireless connection with the network without correction.
  • the electronic device e.g., the processor 120 or 200 performs the operation when a specified time has elapsed from the time of detecting an error in the wireless connection to the network (e.g., 'Yes' in operation 305).
  • the processor 200 detects a network to which the electronic device 101 is connected based on error detection information related to a wireless connection to the network detected during a specified time and information related to error detection of data received from the network. If it is determined that the communication function cannot be provided, the communication circuit 210 can be controlled to perform cell selection.
  • the communication circuit 210 may connect to a new network (or cell) detected through scanning.
  • the electronic device 101 may synchronize frequency and/or time with a newly connected network (or cell) through cell selection.
  • the processor 200 detects an error in the wireless connection with the network during a specified time in the RRC idle state, and when the number of detections of PDCCH data exceeds the specified first reference number. , it may be determined that the communication function cannot be provided through the network to which the electronic device 101 is connected.
  • a state in which the number of detections of PDCCH data exceeds a specified first reference number may include a state in which all detections of PDCCH data fail for a specified time.
  • the processor 200 is an electronic device ( 101) may be determined to be unable to provide communication functions through the connected network.
  • a state in which the number of detections of SIBs exceeds the specified second reference number may include a state in which all detections of SIBs fail for a specified time.
  • the processor 200 detects an error in the wireless connection with the network for a specified time in the RRC idle state, the number of detections of data in the SIB exceeds the specified second reference number, and paging is performed for the specified time. If the signal is not received, it may be determined that the electronic device 101 cannot provide a communication function through the connected network.
  • the processor 200 detects an error in the wireless connection with the network during a specified time in the RRC connection state, and when the number of detections of PDSCH data exceeds the specified third reference number, the electronic device 101 ) can be judged to be limited in the provision of communication functions through the connected network.
  • a state in which the number of detections of PDSCH data exceeds the designated third reference number may include a state in which all detections of PDSCH data fail for a designated time.
  • FIG. 4 is an example of detecting a network communication function restriction state in an electronic device according to various embodiments. According to one embodiment, Figure 4 may include the operation of an electronic device in an RRC idle state.
  • the AS 404 of the electronic device 101 detects an error related to the wireless connection with the network (or cell) to which the electronic device 101 is connected from the L1 layer (e.g., firmware). Information may be received (act 411).
  • the firmware e.g., L1 layer (not shown) of the electronic device 101 detects the network when an error in at least one of frequency, timing, or AGC for wireless communication with the network exceeds a specified reference value. It can be determined that an error occurred in the wireless connection.
  • the firmware of the electronic device 101 may transmit error detection information related to the wireless connection to the network (or cell) to the AS 404 based on the determination that an error has occurred in the wireless connection to the network.
  • the AS 404 of the electronic device 101 may transmit error detection information related to the wireless connection with the network (or cell) received from the L1 layer (e.g., firmware) to the NAS 402 ( Action 413).
  • the L1 layer e.g., firmware
  • the AS 404 of the electronic device 101 may detect an error in PDCCH data for a specified time based on error detection information related to a wireless connection with a network (or cell) (operation 415). .
  • the AS 404 detects the network (or cell) at a specified period from the L1 layer for a specified time from the time of receiving error detection information related to the wireless connection with the network (or cell) from the L1 layer (e.g., firmware). ), when error detection information related to a wireless connection is received, errors in PDCCH data can be detected based on a designated period.
  • the AS 404 may check whether detection of data received through the PDCCH is performed normally based on a designated period.
  • the NAS 402 of the electronic device 101 may detect an error in the SIB for a specified time based on error detection information related to the wireless connection with the network (or cell) (operation 417). NAS 402 may determine whether a paging signal is received during a specified period of time (operation 417). According to one embodiment, when the NAS 402 detects an error in the wireless connection with the network (or cell) for a specified time in the L1 layer (e.g., firmware), the NAS 402 may detect an error in the SIB data based on the specified period. You can. For example, the NAS 404 may check whether detection of data received through the SIB received from the network is performed normally based on a designated cycle. According to one embodiment, the NAS 402 may transmit error detection information related to a wireless connection with a network (or cell) to the network.
  • L1 layer e.g., firmware
  • the NAS 402 and/or AS 404 of the electronic device 101 may send error detection information related to a wireless connection to a network detected during a specified period of time and error detection of data received from the network. Based on the information, it may be determined whether the communication function cannot be provided through the network to which the electronic device 101 is connected (operation 419).
  • the information related to error detection of data received from the network includes information related to error detection of PDCCH data detected in AS 404, information related to error detection of SIB detected in NAS 402, and/or NAS It may include information related to the reception of the paging signal detected at 402.
  • the NAS 402 detects an error in the wireless connection with the network during a specified time, the number of detections of PDCCH data detected in the AS 404 exceeds the specified first reference number, and the SIB's If the number of data detections exceeds the specified second reference number and a paging signal is not received for a specified time, it may be determined that the electronic device 101 cannot provide a communication function through the connected network. For example, the NAS 402 determines that the number of detections of PDCCH data detected in the AS 404 exceeds the specified first reference number based on information related to the occurrence of OOS (out of service) received from the AS 404. It can be judged that it was done.
  • OOS out of service
  • a state in which the number of detections of SIBs exceeds a specified second reference number may include a state in which all detections of SIBs fail for a specified time.
  • a state in which the number of detections of PDCCH data exceeds a specified first reference number may include a state in which all detections of PDCCH data fail for a specified time.
  • the AS 404 detects an error in the wireless connection with the network during a specified time, the number of detections of data of the SIB detected in the NAS 402 exceeds the specified second reference number, and the NAS 404 detects an error in the wireless connection with the network. If the paging signal is not received for the specified time in 402 and the number of detections of the detected PDCCH data exceeds the specified first reference number, the electronic device 101 cannot provide the communication function through the connected network.
  • the AS 404 determines that the number of detections of the SIB detected in the NAS 402 exceeds a specified second reference number based on information related to the request to suspend the wireless connection received from the NAS 402, and the specified time It may be determined that the paging signal is not received during this time.
  • the AS 404 of the electronic device 101 when the AS 404 of the electronic device 101 determines that the communication function cannot be provided through the network to which the electronic device 101 is connected, it connects to a new network 410 through cell selection. (or register) (operation 421).
  • the electronic device 101 may synchronize frequency and/or time with the network (or cell) based on synchronization-related information (e.g., SSB) obtained from a newly connected network through cell selection. there is.
  • synchronization-related information e.g., SSB
  • FIG. 5 is an example of detecting a network communication function restriction state in the AS of an electronic device according to various embodiments. According to one embodiment, Figure 5 may include the operation of an electronic device in an RRC idle state.
  • the AS 404 of the electronic device 101 detects an error related to the wireless connection with the network (or cell) to which the electronic device 101 is connected from the L1 layer (e.g., firmware). Information may be received (act 511).
  • the L1 layer e.g., firmware
  • the AS 404 of the electronic device 101 may detect an error in PDCCH data for a specified time based on error detection information related to a wireless connection with a network (or cell) (operation 513). .
  • the AS 404 detects errors related to the wireless connection with the network (or cell) for a specified period of time from the time it receives error detection information related to the wireless connection with the network (or cell) from the L1 layer (e.g., firmware). If an error is detected, the error in PDCCH data can be detected based on the designated period.
  • the AS 404 determines the wireless connection with the network (or cell) for a specified time. It can be determined that an error has been detected. For example, the AS 404 may check whether detection of data received through the PDCCH is performed normally based on a designated period.
  • the AS 404 of the electronic device 101 operates the electronic device 101 based on error detection information related to a wireless connection with a network detected during a specified time and information related to error detection of PDCCH data. It can be determined whether the communication function cannot be provided through the connected network. According to one embodiment, the AS 404 detects an error in the wireless connection with the network during a specified time, and when the number of detections of PDCCH data exceeds the specified first reference number, the electronic device 101 is connected. It may be determined that communication functions cannot be provided through the network.
  • the AS 404 of the electronic device 101 sends NAS (NAS) to information related to the occurrence of OOS based on a determination that the electronic device 101 cannot provide a communication function through a connected network. 402) may be transmitted (operation 515).
  • NAS NAS
  • the NAS 402 of the electronic device 101 may determine that it cannot provide a communication function through a network to which the electronic device 101 is connected based on information related to the occurrence of OOS.
  • the NAS 402 may transmit a signal related to a service request (e.g., RRC service request) to the AS 404 (operation 517).
  • a service request e.g., RRC service request
  • the AS 404 of the electronic device 101 may access the new network 410 through cell selection based on a signal related to a service request (e.g., RRC service request) (operation 519). .
  • the electronic device 101 may synchronize frequency and/or time with the network (or cell) based on synchronization-related information (e.g., SSB) obtained from a newly connected network through cell selection. there is.
  • the AS 404 of the electronic device 101 may transmit error detection information related to a wireless connection with a network (or cell) received from the L1 layer (e.g., firmware) to the NAS 402.
  • the NAS 402 may transmit error detection information related to a wireless connection with a network (or cell) to the network.
  • FIG. 6 is an example of detecting a network communication function restriction state in a NAS of an electronic device according to various embodiments. According to one embodiment, FIG. 6 may include operations of an electronic device in an RRC idle state or an RRC connected state.
  • the AS 404 of the electronic device 101 detects an error related to the wireless connection with the network (or cell) to which the electronic device 101 is connected from the L1 layer (e.g., firmware). Information may be received (act 611).
  • the L1 layer e.g., firmware
  • the AS 404 of the electronic device 101 may transmit error detection information related to the wireless connection with the network (or cell) received from the L1 layer (e.g., firmware) to the NAS 402 ( Action 613).
  • the L1 layer e.g., firmware
  • the NAS 402 of the electronic device 101 may detect an error in the SIB for a specified time based on error detection information related to the wireless connection with the network (or cell) (operation 615). NAS 402 may determine whether a paging signal is received during a specified period of time (act 615). According to one embodiment, when the NAS 402 detects an error in the wireless connection with the network (or cell) for a specified time in the L1 layer (e.g., firmware), the NAS 402 may detect an error in the SIB data based on the specified period. You can. For example, the NAS 404 may check whether detection of data received through the SIB received from the network is performed normally based on a designated cycle.
  • L1 layer e.g., firmware
  • the NAS 402 detects the network (or cell) for a specified time. It can be determined that an error in the wireless connection with the cell is detected. According to one embodiment, the NAS 402 may transmit error detection information related to a wireless connection with a network (or cell) to the network.
  • the NAS 402 of the electronic device 101 detects an error in the electronic device 101 based on error detection information related to a wireless connection with a network detected during a specified time and information related to error detection of data received from the network. 101) can determine whether the communication function cannot be provided through the connected network.
  • information related to error detection of data received from the network may include information related to error detection of the SIB detected in the NAS 402, and/or information related to reception of a paging signal detected in the NAS 402. You can.
  • the NAS 402 detects an error in the wireless connection with the network during a specified time, the number of detections of data in the SIB exceeds a specified second reference number, and does not receive a paging signal for a specified time. If this is not possible, it may be determined that the communication function cannot be provided through the network to which the electronic device 101 is connected.
  • the NAS 402 of the electronic device 101 sends a signal ( Example: RRC connection abort REQ) can be sent to AS 404 (operation 617).
  • the AS 404 of the electronic device 101 may determine that the electronic device 101 cannot provide a communication function through a connected network based on a signal related to a request to suspend wireless connection. there is.
  • the AS (404) may transmit notification information related to service restrictions (e.g., no service notification) to the NAS (402) based on a determination that the electronic device (101) cannot provide communication functions through the connected network. There is (action 619).
  • the AS 404 may switch to the RRC idle state.
  • the NAS 402 of the electronic device 101 may transmit a signal related to a service request (e.g., RRC service request) to the AS 404 based on notification information related to service restrictions (operation 621).
  • a service request e.g., RRC service request
  • the AS 404 of the electronic device 101 may access the new network 410 through cell selection based on a signal related to a service request (e.g., RRC service request) (operation 621). .
  • the electronic device 101 may synchronize frequency and/or time with the network (or cell) based on synchronization-related information (e.g., SSB) obtained from a newly connected network through cell selection. there is.
  • FIG. 7 is an example of detecting a network communication function restriction state in an RRC connection state in an electronic device according to various embodiments. According to one embodiment, FIG. 7 may include operations of an electronic device in an RRC connection state.
  • the AS 404 of the electronic device 101 detects an error related to the wireless connection with the network (or cell) to which the electronic device 101 is connected from the L1 layer (e.g., firmware). Information may be received (act 711).
  • the L1 layer e.g., firmware
  • the AS 404 of the electronic device 101 may detect an error in PDSCH data for a specified time based on error detection information related to a wireless connection with a network (or cell) (operation 713). .
  • the AS 404 detects errors related to the wireless connection with the network (or cell) for a specified period of time from the time it receives error detection information related to the wireless connection with the network (or cell) from the L1 layer (e.g., firmware). If an error is detected, the error in PDSCH data can be detected based on the designated period. For example, the AS 404 may check whether detection of data received through the PDSCH is performed normally based on a designated period.
  • the AS 404 of the electronic device 101 operates the electronic device 101 based on error detection information related to a wireless connection with a network detected during a specified time and information related to error detection of PDSCH data. It can be determined whether the communication function cannot be provided through the connected network.
  • the AS 404 detects an error in the wireless connection with the network during a specified time, and when the number of detections of PDSCH data exceeds the specified third reference number, the AS 404 determines whether the electronic device 101 is connected. It may be determined that communication functions cannot be provided through the network.
  • the AS 404 of the electronic device 101 provides information related to radio link failure (RLF) based on a determination that the electronic device 101 cannot provide a communication function through a connected network. may be transmitted to the NAS 402 (operation 715).
  • RLF radio link failure
  • the NAS 402 of the electronic device 101 may determine that it cannot provide a communication function through a network to which the electronic device 101 is connected based on information related to the RLF.
  • the NAS 402 may transmit a signal related to a service request (e.g., RRC service request) to the AS 404 (operation 717).
  • a service request e.g., RRC service request
  • the AS 404 of the electronic device 101 may access the new network 410 through cell selection based on a signal related to a service request (e.g., RRC service request) (operation 719). .
  • the electronic device 101 may synchronize frequency and/or time with the network (or cell) based on synchronization-related information (e.g., SSB) obtained from a newly connected network through cell selection. there is.
  • the AS 404 of the electronic device 101 may transmit error detection information related to a wireless connection with a network (or cell) received from the L1 layer (e.g., firmware) to the NAS 402.
  • the NAS 402 may transmit error detection information related to a wireless connection with a network (or cell) to the network.
  • FIG. 8 is an example of detecting a network communication function restriction state in an RRC connection state in an electronic device according to various embodiments. According to one embodiment, FIG. 8 may include operations of an electronic device in an RRC connection state.
  • the AS 404 of the electronic device 101 detects an error related to the wireless connection with the network (or cell) to which the electronic device 101 is connected from the L1 layer (e.g., firmware). Information may be received (act 811).
  • the L1 layer e.g., firmware
  • the AS 404 of the electronic device 101 may detect an error in PDSCH data for a specified time based on error detection information related to a wireless connection with a network (or cell) (operation 813). .
  • the AS 404 detects errors related to the wireless connection with the network (or cell) for a specified period of time from the time it receives error detection information related to the wireless connection with the network (or cell) from the L1 layer (e.g., firmware). If an error is detected, the error in PDSCH data can be detected based on the designated period. For example, the AS 404 may check whether detection of data received through the PDSCH is performed normally based on a designated period.
  • the AS 404 of the electronic device 101 operates the electronic device 101 based on error detection information related to a wireless connection with a network detected during a specified time and information related to error detection of PDSCH data. It can be determined whether the communication function cannot be provided through the connected network.
  • the AS 404 detects an error in the wireless connection with the network during a specified time, and when the number of detections of PDSCH data exceeds the specified third reference number, the AS 404 determines whether the electronic device 101 is connected. It may be determined that communication functions cannot be provided through the network.
  • the AS 404 of the electronic device 101 provides information related to a local release based on a determination that the electronic device 101 cannot provide a communication function through a connected network. may be transmitted to the NAS 402 (operation 815).
  • the NAS 402 of the electronic device 101 may determine that it cannot provide a communication function through a network to which the electronic device 101 is connected based on information related to the local release.
  • the NAS 402 may transmit a signal related to a service request (e.g., RRC service request) to the AS 404 (operation 817).
  • a service request e.g., RRC service request
  • the AS 404 of the electronic device 101 may access the new network 410 through cell selection based on a signal related to a service request (e.g., RRC service request) (operation 819). .
  • the electronic device 101 may synchronize frequency and/or time with the network (or cell) based on synchronization-related information (e.g., SSB) obtained from a newly connected network through cell selection. there is.
  • a service request e.g., RRC service request
  • SSB synchronization-related information
  • the AS 404 of the electronic device 101 may transmit error detection information related to a wireless connection with a network (or cell) received from the L1 layer (e.g., firmware) to the NAS 402.
  • the NAS 402 may transmit error detection information related to a wireless connection with a network (or cell) to the network.
  • FIG. 9 is a flowchart 900 for managing a cell in which a communication function restriction state is detected in an electronic device according to various embodiments.
  • each operation may be performed sequentially, but is not necessarily performed sequentially.
  • the order of each operation may be changed, and at least two operations may be performed in parallel.
  • the electronic device of FIG. 9 may be the electronic device 101 of FIG. 1 or FIG. 2 .
  • an electronic device e.g., the processor 120 of FIG. 1 or the processor 200 of FIG. 2 performs a communication function through a network to which the electronic device 101 is connected. You can determine whether it can be provided.
  • the processor 200 includes error detection information related to a wireless connection with a network detected during a specified time and information related to error detection of data received from the network. Based on this, it can be determined whether the communication function cannot be provided through the network to which the electronic device 101 is connected.
  • the electronic device e.g., the processor 120 or 200
  • determines that a communication function can be provided through a network to which the electronic device 101 is connected e.g., 'Yes' in operation 901
  • an embodiment for managing a cell in which a communication function limitation state has been detected may be terminated.
  • the electronic device e.g., the processor 120 or 200
  • determines that a communication function cannot be provided through a network to which the electronic device 101 is connected e.g., 'No' in operation 901
  • the number of error occurrences of a network determined to be unable to provide a communication function may be updated.
  • the number of network error occurrences may be increased by a standard size (e.g., '1').
  • the electronic device may check whether the number of network errors occurs exceeds a specified fourth reference number.
  • the fourth designated reference number may include a designated reference number for determining whether to control access to the network.
  • the electronic device e.g., the processor 120 or 200
  • the electronic device can determine whether it can provide communication functions through the connected network.
  • the electronic device in operation 907, when the number of errors in the network exceeds the specified fourth reference number (e.g., 'Yes' in operation 905), the electronic device (e.g., processor 120 or 200) It can be checked whether the number of adjacent networks (or cells) of the device 101 exceeds a specified reference number. For example, the number of adjacent networks (or cells) of the electronic device 101 can be confirmed through scanning. For example, the number of adjacent networks (or cells) of the electronic device 101 may be confirmed from a control signal (eg, SIB 4) received from the network.
  • SIB control signal
  • the electronic device determines if the number of adjacent networks (or cells) of the electronic device 101 exceeds a specified reference number (e.g., 'Yes' in operation 907) ), In operation 909, information related to the network determined to be unable to provide communication functions may be added to the access restriction list.
  • the access restriction list may include information related to at least one network (or cell) to which access of the electronic device 101 is restricted.
  • the electronic device e.g., the processor 120 or 200
  • the access priority of the network determined to be unable to provide communication functions may be updated.
  • the processor 200 may set (or update) the access priority of a network determined to be unable to provide a communication function to a relatively low level.
  • the access priority is a priority used to select a network (or cell) for the electronic device 101 to access, and the probability of accessing a network with a relatively high priority may be relatively high.
  • the network may determine the cause (or subject) of the communication function limitation based on error detection information related to the wireless connection with the network provided by the electronic device 101. According to one embodiment, the network determines whether the limitation of communication functions in a specific area is caused by a problem in the network or by an electronic device connected to the network based on error detection information related to the wireless connection to the network provided by the electronic device 101. It can be determined whether the problem occurred due to a problem with the device 101.
  • the electronic device maintains wireless connection with the network for a specified time based on error detection of the wireless connection with the network to which the electronic device is connected. It may include an operation to check whether a connection error is detected. According to one embodiment, the electronic device may include an operation of verifying information related to a failure to detect data received from a network during a specified time based on continuous detection of an error in a wireless connection with the network during a specified time. According to one embodiment, the electronic device may include an operation of performing cell selection based on information related to failure to detect data received from a confirmed network during a specified time.
  • the operation of checking whether an error in the wireless connection is detected includes, when an error in at least one of frequency, timing, or automatic gain control (AGC) related to the wireless connection with the network exceeds a specified reference value, the network It may include an operation of determining that an error in the wireless connection has been detected.
  • AGC automatic gain control
  • the operation of checking whether an error in the wireless connection is detected includes checking whether an error in the wireless connection with the network is detected while maintaining the frequency, timing, and AGC related to wireless communication with the network for a specified time.
  • the electronic device controls the frequency, timing, or AGC associated with the wireless communication with the network. It may include an operation of correcting at least one of the frequency, the timing, or the AGC, and an operation of performing communication with a network based on the corrected information of at least one of the frequency, the timing, and the AGC.
  • the electronic device when an error in the wireless connection with the network is continuously detected for a specified time, provides information related to the failure of detection of data of a physical downlink control channel (PDCCH) received from the network for a specified time, SIB ( It may include an operation of determining whether to perform cell selection based on at least one of information related to a detection failure of a system information block) or information related to reception of a paging signal.
  • PDCCH physical downlink control channel
  • the electronic device may detect data of a physical downlink shared channel (PDSCH) received from the network for a specified time based on information related to the failure to detect the data. It may include an operation of determining whether to perform cell selection.
  • PDSCH physical downlink shared channel
  • the electronic device may include an operation of synchronizing frequency and time with a newly connected network based on a synchronization signal and PBCH block (SSB) received from the newly connected network through cell selection.
  • SSB PBCH block
  • the electronic device may include an operation of checking the number of errors in the network to which the electronic device is connected based on cell selection. According to one embodiment, the electronic device may include an operation of adding the network to the access prohibited list based on the number of network error occurrences.
  • the electronic device may include an operation of checking the number of errors in the network to which the electronic device is connected based on cell selection. According to one embodiment, the electronic device may include an operation of updating the network connection priority based on the number of network error occurrences.
  • the electronic device may include an operation of transmitting error detection information related to the wireless connection with the network to the network based on error detection of the wireless connection with the network to which the electronic device is connected.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Selon divers modes de réalisation, la présente invention concerne un dispositif et un procédé de résolution de limitation de réception de signal due à une erreur de connexion sans fil avec un réseau dans un dispositif électronique. Le dispositif électronique peut comprendre un circuit de communication et un processeur, le processeur réalisant les opérations suivantes : identifier si l'erreur de connexion sans fil avec le réseau est détectée pendant une durée désignée, en fonction de la détection de l'erreur de connexion sans fil avec le réseau auquel le dispositif électronique est connecté ; identifier des informations concernant une défaillance de détection de données reçues en provenance du réseau pendant la durée désignée, en fonction d'une détection continue de l'erreur de connexion sans fil avec le réseau pendant la durée désignée ; et effectuer une sélection de cellule en fonction des informations concernant la défaillance de détection de données reçues en provenance du réseau, les informations étant identifiées pendant la durée désignée. L'invention peut également concerner d'autres modes de réalisation.
PCT/KR2023/004388 2022-07-27 2023-03-31 Dispositif électronique de résolution de limitation de réception de signal due à une erreur de connexion sans fil avec un réseau, et procédé d'utilisation de celui-ci WO2024025069A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2022-0093475 2022-07-27
KR20220093475 2022-07-27
KR10-2022-0102202 2022-08-16
KR1020220102202A KR20240015539A (ko) 2022-07-27 2022-08-16 네트워크와의 무선 연결 오류에 의한 신호의 수신 제한을 개선하기 위한 전자 장치 및 그의 동작 방법

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