KR20240015539A - Electronic device for improving a reception restriction of a signal due to a wireless connection error with a network and operating method thereof - Google Patents

Abstract

Various embodiments of the present invention relate to an apparatus and method for improving signal reception limitations caused by wireless connection errors with a network in an electronic device. The electronic device includes a communication circuit and a processor, wherein the processor determines whether an error in the wireless connection with the network to which the electronic device is connected is detected for a specified period of time based on error detection in the wireless connection with the network to which the electronic device is connected. , based on the continuous detection of errors in the wireless connection with the network during the specified time, confirm information related to the failure of detection of data received from the network during the specified time, and determine the information related to the detection failure of data received from the network identified during the specified time. Cell selection may be performed based on information related to data detection failure. Other embodiments may also be possible.

Description

Electronic device and operating method thereof for improving signal reception restrictions due to wireless connection error with a network {ELECTRONIC DEVICE FOR IMPROVING A RECEPTION RESTRICTION OF A SIGNAL DUE TO A WIRELESS CONNECTION ERROR WITH A NETWORK AND OPERATING METHOD THEREOF}

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.

Electronic devices can provide wireless communication while ensuring the activity of a user holding the electronic device. For example, 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).

In a wireless communication environment, 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 restricted from 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 signal reception limitations caused by wireless connection errors with a network in an electronic device.

The technical problem to be achieved in this document is not limited to the technical problem mentioned above, and other technical problems not mentioned can be clearly understood by those skilled in the art from the description below. There will be.

According to various embodiments, an electronic device may include a communication circuit and at least one processor operatively connected to the communication circuit. According to one embodiment, 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. According to one embodiment, 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. According to one embodiment, the processor may perform cell selection based on information related to failure to detect data received from an identified network during a specified time.

According to various embodiments, 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.

According to various embodiments, a non-transitory computer-readable storage medium (or computer program product) storing one or more programs may be described. According to one embodiment, 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 operation of checking a first occupancy time determined to be occupied by another electronic device and a second occupancy time determined to be occupied by at least one other electronic device when using the space reuse function; An operation of estimating a first transmission delay time when the space reuse function is not used based on the monitoring time of wireless LAN communication and the first occupancy time and based on the monitoring time of wireless LAN communication and the second occupancy time An operation of estimating a second transmission delay time when using the space reuse function, and an operation of determining whether to use the space reuse function based on the first transmission delay time and the second transmission delay time. It may contain commands that:

According to various embodiments of the present invention, the electronic device determines that the communication function is restricted (or disabled) based on information related to error detection of a wireless connection with a network acquired during a specified period of time and information related to failure to detect data. In this case, by synchronizing with the network through cell selection, signal reception limitations or reception delays due to wireless connection errors with the network can be improved.

According to various embodiments, the electronic device controls a cell for the electronic device to access based on information related to a cell with a limited communication function, thereby improving reception restrictions or reception delays of a signal by accessing a cell with a limited communication function. You can.

The effects that can be obtained from various embodiments of the present invention are not limited to the effects mentioned above, and other effects not mentioned above can be understood from the description below as a matter of common knowledge in the technical field to which the various embodiments of the present invention belong. It will be clearly understandable to those who have it.

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.

Various embodiments are described in detail below with reference to the attached drawings.

1 is a block diagram of an electronic device 101 in a network environment 100, according to various embodiments. Referring to FIG. 1, in the network environment 100, 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. According to one embodiment, 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. In some embodiments, 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. In some embodiments, 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. According to one embodiment, 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). For example, if 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. According to one embodiment, 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. According to one embodiment, the auxiliary processor 123 (eg, neural network processing device) 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. In addition to hardware structures, 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. According to one embodiment, 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 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. According to one embodiment, 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 directly or wirelessly connect the electronic device 101 to an external electronic device (eg, the electronic device 102). According to one embodiment, the interface 177 may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.

The connection terminal 178 may include a connector through which the electronic device 101 can be physically connected to an external electronic device (eg, the electronic device 102). According to one embodiment, 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. According to one embodiment, 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. 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 can manage power supplied to the electronic device 101. According to one embodiment, the power management module 188 may be implemented as at least a part of, for example, a power management integrated circuit (PMIC).

The battery 189 may supply power to at least one component of the electronic device 101. According to one embodiment, 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. According to one embodiment, 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. Among these communication modules, 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). These various types of communication modules may be integrated into one component (e.g., a single chip) or may be implemented as a plurality of separate components (e.g., multiple chips). 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. The electronic device 101 can be confirmed or authenticated.

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). According to one embodiment, 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. Example: Downlink (DL) and uplink (UL) each of 0.5 ms or less, or round trip 1 ms or less) can be supported.

The antenna module 197 may transmit or receive signals or power to or from the outside (eg, an external electronic device). According to one embodiment, 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). According to one embodiment, 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. According to some embodiments, in addition to the radiator, other components (eg, radio frequency integrated circuit (RFIC)) may be additionally formed as part of the antenna module 197.

According to various embodiments, the antenna module 197 may form a mmWave antenna module. According to one embodiment, 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. .

At least some of the components are connected to each other through a means of communication between peripheral devices (e.g., bus, general purpose input and output (GPIO), serial peripheral interface (SPI), or mobile industry processor interface (MIPI)) and signal (e.g. : Commands or data) can be exchanged with each other.

According to one embodiment, 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. According to one embodiment, 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 may perform the function or service instead of executing 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. For this purpose, for example, 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. In one embodiment, 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 (e.g., smart home, smart city, smart car, or healthcare) based on 5G communication technology and IoT-related technology.

Electronic devices according to various embodiments disclosed in this document 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.

The various embodiments of this document and the terms used therein are not intended to limit the technical features described in this document to specific embodiments, and should be understood to include various changes, equivalents, or replacements of the embodiments. In connection with the description of the drawings, similar reference numbers may be used for similar or related components. The singular form of a noun corresponding to an item may include one or more of the above items, unless the relevant context clearly indicates otherwise. As used herein, “A or B”, “at least one of A and B”, “at least one of A or B”, “A, B or C”, “at least one of A, B and C”, and “A Each of phrases such as “at least one of , B, or C” may include any one of the items listed together in the corresponding phrase, or any possible combination thereof. Terms such as "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.” When mentioned, it means that any of the components can be connected to the other components directly (e.g. wired), wirelessly, or through a third component.

As used in various embodiments of this document, the term “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. can be used A module may be an integrated part or a minimum unit of the parts or a part thereof that performs one or more functions. For example, according to one embodiment, the module may be implemented in the form of an application-specific integrated circuit (ASIC).

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. For example, a processor (e.g., processor 120) of a device (e.g., electronic device 101) may call at least one command among one or more commands stored from a storage medium and execute it. This allows the device to be operated to perform at least one function according to the at least one instruction called. 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. Here, '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.

According to one embodiment, methods according to various embodiments disclosed in this document may be provided and included in a computer program product. 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. In the case of online distribution, 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.

According to various embodiments, 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. . According to various embodiments, one or more of the components or operations described above may be omitted, or one or more other components or operations may be added. Alternatively or additionally, multiple components (eg, modules or programs) may be integrated into a single component. In this case, the integrated component may perform one or more functions of each component of the plurality of components in the same or similar manner as those performed by the corresponding component of the plurality of components prior to the integration. . According to various embodiments, 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.

According to various embodiments referring to FIG. 2 , the electronic device 101 may include a processor 200, a communication circuit 210, and/or a memory 220. According to one embodiment, 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. According to one embodiment, the processor 200 may be operatively, functionally, and/or electrically connected to the communication circuit 210 and/or the memory 220.

According to various embodiments, 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.

According to one embodiment, 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. For example, 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. As an example, errors in the wireless connection to the network may include high frequency errors, timing errors, and/or AGC drops. As an example, 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. As an example, 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. As an example, AGC drop may indicate a state in which the AGC error for wireless communication with the network exceeds a specified reference AGC error value.

According to various embodiments, when an error in the wireless connection with a network to which the electronic device 101 is connected (or registered) is detected, the processor 200 determines whether an error in the wireless connection with the network 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. As an example, 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. For example, 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). As an example, 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.

According to various embodiments, 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. According to one embodiment, when the processor 200 (e.g., access stratum (AS)) 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) You can check whether detection of data (e.g., PDCCH data) received through the channel is performed normally. As an example, PDCCH data may be received based on a specified period (e.g., idle DRX) for a specified time in the RRC idle state. According to one embodiment, when the processor 200 (e.g., NAS (non-access stratum)) detects an error in the wireless connection with the network in the L1 layer (e.g., firmware), the processor 200 (e.g., NAS (non-access stratum)) detects an error in the wireless connection with the network in the RRC idle state. You can check whether the detection of (information block) is performed normally. As an example, SIB may be received based on a specified period (e.g., idle DRX) for a specified time in the RRC idle state. According to one embodiment, 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 may check whether a paging signal is received in the RRC idle state. For example, the processor 200 may check, through the communication circuit 210, whether a paging signal is received based on a specified period (e.g., idle DRX) during a specified time in the RRC idle state. According to one embodiment, when the processor 200 (e.g., AS) detects an error in the wireless connection with the network in the L1 layer (e.g., firmware), the processor 200 (e.g., AS) detects an error in the wireless connection with the network in the RRC connection state through a physical downlink shared channel (PDSCH). You can check whether detection of received data (e.g. PDSCH data) is performed normally. As an example, PDSCH data may be received based on a specified period (e.g., CDRX or subframe unit) during a specified time in the RRC connection state. For example, a state in which data detection is normally performed may include a state in which decoding of data received from the network is successful. For example, 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.

According to various embodiments, when an error in the wireless connection with the network is detected during a specified time, the processor 200 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.

According to one embodiment, the processor 200 (e.g., AS) 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. For example, 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.

According to one embodiment, the processor 200 is an electronic device ( 101) may be determined to be unable to provide communication functions through the connected network. For example, 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.

According to one embodiment, 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.

According to one embodiment, 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. For example, 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.

According to various embodiments, 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. . According to one embodiment, the processor 200 may synchronize the frequency and/or time with the network (or cell) to which the electronic device 101 is newly connected through cell selection. For example, 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. As an example, SSB may include a primary synchronization signal (PSS) and a second synchronization signal (SSS).

According to various embodiments, 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 sends information related to the error detection in the wireless connection to the network. The communication circuit 210 can be controlled to transmit.

According to various embodiments, when the processor 200 determines that the communication function cannot be provided through the network to which the electronic device 101 is connected, 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.

According to various embodiments, when 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 about the network (or cell) determined to be unable to provide the communication function. You can save it. According to one embodiment, 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, the processor 200 may add a specific network (or cell) to the access restriction list when the number of times it is determined that a communication function cannot be provided in a specific network (or cell) exceeds a specified limit. there is. 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 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 a specific network (or cell) to an access restriction list based on the number of neighboring networks (or neighboring cells) or sets the access priority of a specific network (or cell) to be relatively low. You can. For example, if the number of neighboring networks (or neighboring cells) exceeds a specified reference number, the processor 200 may add 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.

According to various embodiments, if an error in the wireless connection with the network is not detected within a specified time, 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 at least one of the corrected frequency, timing, or AGC. According to one embodiment, 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.

According to various embodiments, 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. According to one embodiment, the communication circuit 210 may include a first communication module and a second communication module. For example, 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. As an example, the first wireless communication may include a 5th generation communication method (eg, NR communication method). For example, 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. For example, 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). For example, the first communication module and the second communication module may be composed of software that processes signals and protocols of different frequency bands. For example, the first communication module and the second communication module may be logically (eg, software) separated. For example, the first communication module and the second communication module may be composed of different circuits or different hardware.

According to various embodiments, 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. One embodiment According to an example, memory 220 may store various instructions that can be executed through processor 200.

According to various embodiments, 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. According to one embodiment, 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. According to one embodiment, 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. According to one embodiment, the processor may perform cell selection based on information related to failure to detect data received from an identified network during a specified time.

According to various embodiments, 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.

According to various embodiments, 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.

According to various embodiments, 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 AGC may be corrected, and communication with a network may be performed based on at least one of the corrected frequency, timing, or AGC.

According to various embodiments, 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.

According to various embodiments, 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.

According to various embodiments, 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.

According to various embodiments, 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.

According to various embodiments, 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.

According to various embodiments, at least one processor may transmit information related to error detection of a wireless connection with a network to the network based on error detection of a wireless connection with a network to which an electronic device is connected.

FIG. 3 is a flowchart 300 for wireless connection to a network in an electronic device according to various embodiments. In the following embodiments, each operation may be performed sequentially, but is not necessarily performed sequentially. For example, the order of each operation may be changed, and at least two operations may be performed in parallel. For example, the electronic device of FIG. 3 may be the electronic device 101 of FIG. 1 or FIG. 2 .

According to various embodiments referring to FIG. 3, in operation 301, the electronic device (e.g., the processor 120 of FIG. 1 or the processor 200 of FIG. 2) connects (or registers) 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. According to one embodiment, 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. As an example, the designated cycle may include a DRX active cycle in the RRC idle state (e.g., idle DRX). As an example, the designated cycle may include a DRX active cycle (e.g., connected mode DRX (CDRX)) in an RRC connection state.

According to one embodiment, 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. For example, the designated reference value may be a designated reference frequency error value for detecting an error in a wireless connection based on a frequency error, a designated reference timing error value for detecting an error in the wireless connection based on a 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 .

According to various embodiments, if an error in the wireless connection with the network (or cell) is not detected (e.g., 'No' in operation 301), the electronic device (e.g., the processor 120 or 200) wirelessly connects to the network. One embodiment for connection may end. According to one embodiment, when an error in the wireless connection with the network is not detected, 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 at least one of the corrected frequency, timing, or AGC.

According to various embodiments, when the electronic device (e.g., the processor 120 or 200) detects an error in the wireless connection with the network (or cell) (e.g., 'Yes' in operation 301), in operation 303, the network You can check whether errors are detected in the data received from. According to one embodiment, when the processor 200 (e.g., AS) detects an error in wireless connection with the network, data (e.g., PDCCH data) received through PDCCH based on a specified cycle in the RRC idle state. You can check whether the detection 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.

According to one embodiment, when an error in the wireless connection with the network is detected, the processor 200 (e.g., NAS) 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.

According to one embodiment, when the processor 200 (eg, NAS) detects an error in the wireless connection to the network, it may check whether a paging signal is received 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.

According to one embodiment, when the processor 200 (e.g., AS) detects an error in wireless connection with the network, data (e.g., PDSCH data) received through PDSCH based on a specified period in the RRC connection state You can check whether the detection 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.

According to various embodiments, when an error is not detected in data received from the network (e.g., 'No' in operation 303), the electronic device (e.g., processor 120 or 200) performs a task for wireless connection with the network. The example can be ended.

According to various embodiments, when an error is detected in data received from the network (e.g., 'Yes' in operation 303), the electronic device (e.g., processor 120 or 200) establishes a wireless connection with the network in operation 305. You can check whether a specified time has elapsed from the time an error was detected. For example, the designated time is a 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). As an example, 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).

According to various embodiments, if a specified time has not elapsed from the time 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), In operation 301, it can be checked whether an error in the wireless connection with the network (or cell) is detected. According to one embodiment, 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. 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. As an example, 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.

According to various embodiments, 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). At 307, you can access a new network (or cell) through cell selection. According to one embodiment, the processor 200 connects the electronic device 101 based on information related to error detection of the 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 through the network, the communication circuit 210 can be controlled to perform cell selection. For example, the communication circuit 210 may connect to a new network (or cell) detected through scanning. For example, the electronic device 101 may synchronize frequency and/or time with a newly connected network (or cell) through cell selection.

According to one embodiment, the processor 200 (e.g., AS) 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. For example, 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.

According to one embodiment, the processor 200 is an electronic device ( 101) may be determined to be unable to provide communication functions through the connected network. For example, 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.

According to one embodiment, 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 a signal is not received, it may be determined that the electronic device 101 cannot provide a communication function through the connected network.

According to one embodiment, 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. For example, 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.

According to various embodiments referring to FIG. 4, the AS 404 of the electronic device 101 detects an error in the wireless connection with the network (or cell) to which the electronic device 101 is connected from the L1 layer (e.g., firmware). Information related to may be received (operation 411). In one embodiment, 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 information related to error detection for 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.

According to various embodiments, the AS 404 of the electronic device 101 may transmit information related to error detection for a wireless connection with a network (or cell) received from the L1 layer (e.g., firmware) to the NAS 402. There is (action 413).

According to various embodiments, the AS 404 of the electronic device 101 may detect an error in PDCCH data for a specified time based on information related to error detection for a wireless connection with a network (or cell) (operation 415). According to one embodiment, the AS 404 detects a network (or cell) at a specified period from the L1 layer for a specified time from the time it receives information related to error detection for a wireless connection with a network (or cell) from the L1 layer (e.g., firmware). When information related to error detection for a wireless connection (or cell) is received, errors in PDCCH data can be detected based on a designated period. For example, the AS 404 may check whether detection of data received through the PDCCH is performed normally based on a designated period.

According to various embodiments, the NAS 402 of the electronic device 101 may detect an error in the SIB for a specified time based on information related to error detection for a wireless connection with a 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 information related to error detection for a wireless connection with a network (or cell) to the network.

According to various embodiments, the NAS 402 and/or AS 404 of the electronic device 101 detects errors in data received from the network and information related to error detection for the wireless connection to the network detected during a specified period of time. Based on information related to , it may be determined whether the communication function cannot be provided through the network to which the electronic device 101 is connected (operation 419). As an example, 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.

According to one embodiment, 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. For example, 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. For example, 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.

According to one embodiment, 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. It can be judged that For example, 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.

According to various embodiments, 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 may connect to a new network 410 through cell selection. (Operation 421). According to one embodiment, 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. 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.

According to various embodiments referring to FIG. 5, the AS 404 of the electronic device 101 detects an error in the wireless connection with the network (or cell) to which the electronic device 101 is connected from the L1 layer (e.g., firmware). Information related to may be received (operation 511).

According to various embodiments, the AS 404 of the electronic device 101 may detect an error in PDCCH data for a specified time based on information related to error detection for a wireless connection with a network (or cell) (operation 513). According to one embodiment, the AS 404 maintains the wireless connection with the network (or cell) for a specified period of time from the time it receives information related to error detection for 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. For example, if information related to error detection for a wireless connection with a network (or cell) is received from the L1 layer based on a specified period during a specified time, the AS 404 may detect a wireless connection with the network (or cell) during a specified time. It can be determined that a connection 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.

According to various embodiments, the AS 404 of the electronic device 101 determines the electronic device 101 based on information related to error detection of a wireless connection with a network detected during a specified time and information related to error detection of PDCCH data. ) can determine 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.

According to various embodiments, 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).

According to various embodiments, 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).

According to various embodiments, 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). . According to one embodiment, 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.

According to various embodiments, the AS 404 of the electronic device 101 may transmit information related to error detection for a wireless connection with a network (or cell) received from the L1 layer (e.g., firmware) to the NAS 402. there is. According to one embodiment, the NAS 402 may transmit information related to error detection for 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.

According to various embodiments referring to FIG. 6, the AS 404 of the electronic device 101 detects an error in the wireless connection with the network (or cell) to which the electronic device 101 is connected from the L1 layer (e.g., firmware). Information related to may be received (operation 611).

According to various embodiments, the AS 404 of the electronic device 101 may transmit information related to error detection for a wireless connection with a network (or cell) received from the L1 layer (e.g., firmware) to the NAS 402. There is (action 613).

According to various embodiments, the NAS 402 of the electronic device 101 may detect an error in the SIB for a specified time based on information related to error detection for a wireless connection with a 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. For example, when information related to error detection for a wireless connection with a network (or cell) is received from the L1 layer through the AS 404 based on a specified cycle, the NAS 402 connects to the network for a specified time. It may be determined that an error in the wireless connection with (or cell) is detected. According to one embodiment, the NAS 402 may transmit information related to error detection for a wireless connection with a network (or cell) to the network.

According to various embodiments, the NAS 402 of the electronic device 101 provides electronic information based on information related to error detection of a wireless connection with a network detected during a specified time and information related to error detection of data received from the network. It can be determined whether the device 101 cannot provide a communication function through the connected network. As an example, 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. According to one embodiment, 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.

According to various embodiments, the NAS 402 of the electronic device 101 sends a signal ( Example: RRC connection abort REQ) can be sent to AS 404 (operation 617).

According to various embodiments, 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 the communication function through the connected network. There is (action 619). According to one embodiment, when the AS 404 receives a signal related to a request to suspend wireless connection in the RRC connected state, the AS 404 may switch to the RRC idle state.

According to various embodiments, 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).

According to various embodiments, 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). . According to one embodiment, 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.

According to various embodiments referring to FIG. 7, the AS 404 of the electronic device 101 detects an error in the wireless connection with the network (or cell) to which the electronic device 101 is connected from the L1 layer (e.g., firmware). Information related to may be received (operation 711).

According to various embodiments, the AS 404 of the electronic device 101 may detect an error in PDSCH data for a specified time based on information related to error detection for a wireless connection with a network (or cell) (operation 713). According to one embodiment, the AS 404 maintains the wireless connection with the network (or cell) for a specified period of time from the time it receives information related to error detection for 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.

According to various embodiments, the AS 404 of the electronic device 101 determines the electronic device 101 based on information related to error detection of a wireless connection with a network detected during a specified time and information related to error detection of PDSCH data. ) can determine 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 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.

According to various embodiments, 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).

According to various embodiments, 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).

According to various embodiments, 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). . According to one embodiment, 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.

According to various embodiments, the AS 404 of the electronic device 101 may transmit information related to error detection for a wireless connection with a network (or cell) received from the L1 layer (e.g., firmware) to the NAS 402. there is. According to one embodiment, the NAS 402 may transmit information related to error detection for 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.

According to various embodiments referring to FIG. 8, the AS 404 of the electronic device 101 detects an error in the wireless connection with the network (or cell) to which the electronic device 101 is connected from the L1 layer (e.g., firmware). Information related to may be received (operation 811).

According to various embodiments, the AS 404 of the electronic device 101 may detect an error in PDSCH data for a specified time based on information related to error detection for a wireless connection with a network (or cell) (operation 813). According to one embodiment, the AS 404 maintains the wireless connection with the network (or cell) for a specified period of time from the time it receives information related to error detection for 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.

According to various embodiments, the AS 404 of the electronic device 101 determines the electronic device 101 based on information related to error detection of a wireless connection with a network detected during a specified time and information related to error detection of PDSCH data. ) can determine 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 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.

According to various embodiments, 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).

According to various embodiments, 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).

According to various embodiments, 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). . According to one embodiment, 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.

According to various embodiments, the AS 404 of the electronic device 101 may transmit information related to error detection for a wireless connection with a network (or cell) received from the L1 layer (e.g., firmware) to the NAS 402. there is. According to one embodiment, the NAS 402 may transmit information related to error detection for 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. In the following embodiments, each operation may be performed sequentially, but is not necessarily performed sequentially. For example, the order of each operation may be changed, and at least two operations may be performed in parallel. For example, the electronic device of FIG. 9 may be the electronic device 101 of FIG. 1 or FIG. 2 .

According to various embodiments referring to FIG. 9, in operation 901, 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. According to one embodiment, the processor 200, as in operations 301 to 307 of FIG. 3, provides information related to error detection of a wireless connection with a network detected during a specified time and error detection of data received from the network. Based on the information, it can be determined whether the communication function cannot be provided through the network to which the electronic device 101 is connected.

According to various embodiments, when 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.

According to various embodiments, when 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) , In operation 903, the number of error occurrences of a network determined to be unable to provide a communication function may be updated. For example, the number of network error occurrences may be increased by a standard size (e.g., '1').

According to various embodiments, in operation 905, the electronic device (eg, the processor 120 or 200) may check whether the number of network errors occurs exceeds a specified fourth reference number. For example, the fourth designated reference number may include a designated reference number for determining whether to control access to the network.

According to various embodiments, if the number of network error occurrences is less than or equal to the specified fourth reference number (e.g., 'No' in operation 905), in operation 901, the electronic device (e.g., the processor 120 or 200) 101) can determine whether it can provide communication functions through the connected network.

According to various embodiments, the electronic device (e.g., the processor 120 or 200), 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 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 can be confirmed from a control signal (eg, SIB 4) received from the network.

According to various embodiments, the electronic device (e.g., the processor 120 or 200) 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, a network determined to be unable to provide communication functions may be added to the access restriction list. As an example, 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.

According to various embodiments, when the number of adjacent networks (or cells) of the electronic device 101 is less than or equal to a specified reference number (e.g., 'No' in operation 907), the electronic device (e.g., the processor 120 or 200) In operation 911, the access priority of a network determined to be unable to provide a communication function may be updated. According to one embodiment, 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. For example, 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.

According to various embodiments, the network may determine the cause (or subject) of the communication function limitation based on information related to error detection of a wireless connection with the network provided from 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 is connected to the network based on information related to error detection of the wireless connection with the network provided by the electronic device 101. It can be determined whether the problem occurred due to a problem with the electronic device 101.

According to various embodiments, the electronic device (e.g., the electronic device 101 of FIG. 1 or FIG. 2) 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.

According to various embodiments, 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, It may include an operation of determining that an error in the wireless connection has been detected.

According to various embodiments, 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. Can include actions.

According to various embodiments, when an error in the frequency, timing, and AGC associated with the wireless communication with the network is detected to be less than or equal to the specified reference value within 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 corrected frequency, timing, or AGC, and an operation of performing communication with a network based on at least one of the corrected frequency, timing, or AGC.

According to various embodiments, when an error in the wireless connection with the network is continuously detected for a specified time, the electronic device 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.

According to various embodiments, when an error in a wireless connection with a network is continuously detected for a specified time, 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.

According to various embodiments, 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.

According to various embodiments, 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.

According to various embodiments, 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.

According to various embodiments, the electronic device may include an operation of transmitting information related to error detection of 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.

The embodiments of the present invention disclosed in the specification and drawings are merely presented as specific examples to easily explain the technical content according to the embodiments of the present invention and to aid understanding of the embodiments of the present invention, and do not limit the scope of the embodiments of the present invention. That's not what I want to do. Therefore, the scope of the various embodiments of the present invention should be construed as including all changes or modified forms derived based on the technical idea of the various embodiments of the present invention in addition to the embodiments disclosed herein.

Claims (20)

In electronic devices,
communication circuit, and
At least one processor operatively connected to the communication circuitry,
The at least one processor,
Based on detection of an error in the wireless connection with the network to which the electronic device is connected, check whether an error in the wireless connection with the network is detected for a specified period of time,
verify information related to failure to detect data received from the network during the specified time based on continuous detection of errors in the wireless connection with the network during the specified time;
An electronic device that performs cell selection based on information related to detection failure of data received from the network confirmed during the specified time.
According to clause 1,
The at least one processor detects an error in the wireless connection with the network 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. An electronic device that is determined to be
According to clause 2,
The at least one processor determines 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 the specified time.
According to clause 3,
The at least one processor, when an error in frequency, timing, and AGC related to wireless communication with the network within the specified time is detected to be less than or equal to the specified reference value, determines the frequency, timing, or AGC related to wireless communication with the network. Correct at least one of the
An electronic device that communicates with the network based on at least one of the corrected frequency, timing, or AGC.
According to clause 1,
The at least one processor, when an error in wireless connection with the network is continuously detected during the specified time, information related to failure to detect data of a physical downlink control channel (PDCCH) received from the network during the specified time, An electronic device that determines 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.
According to clause 1,
The at least one processor, when an error in the wireless connection with the network is continuously detected during the designated time, information related to failure to detect data of a physical downlink shared channel (PDSCH) received from the network during the designated time. An electronic device that determines whether to perform cell selection based on the cell selection.
According to clause 1,
The at least one processor synchronizes frequency and time with the newly connected network based on a synchronization signal and PBCH block (SSB) received from the newly connected network through the cell selection.
According to clause 1,
The at least one processor determines the number of errors in the network to which the electronic device is connected based on the cell selection,
An electronic device that adds the network to a prohibited access list based on the number of errors in the network.
According to clause 1,
The at least one processor determines the number of errors in the network to which the electronic device is connected based on the cell selection,
An electronic device that updates the connection priority of the network based on the number of times an error occurs in the network.
According to clause 1,
The at least one processor transmits information related to error detection of a 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.
In a method of operating an electronic device,
An operation of checking whether an error in the wireless connection with the network to which the electronic device is connected 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;
verifying information related to a failure to detect data received from the network during the specified time based on continuous detection of an error in a wireless connection with the network during the specified time; and
A method comprising performing cell selection based on information related to detection failure of data received from the network confirmed during the specified time.
According to clause 11,
The operation of checking whether an error in the wireless connection is detected is,
When the error of at least one of frequency, timing, or automatic gain control (AGC) related to the wireless connection with the network exceeds a specified reference value, an operation of determining that an error in the wireless connection with the network has been detected. method.
According to clause 12,
The operation of checking whether an error in the wireless connection is detected is,
A method comprising determining whether an error in the wireless connection with the network is detected while maintaining the frequency, timing, and AGC associated with the wireless communication with the network for the specified time.
According to clause 13,
When errors in frequency, timing, and AGC related to wireless communication with the network are detected to be below the specified reference value within the specified time, an operation of correcting at least one of frequency, timing, or AGC related to wireless communication with the network , and
The method further includes performing communication with the network based on at least one of the corrected frequency, timing, or AGC.
According to claim 11,
If an error in the wireless connection with the network is continuously detected during the specified time, information related to the failure of detection of data of a physical downlink control channel (PDCCH) received from the network during the specified time, and a system information block (SIB) The method further includes determining whether to perform cell selection based on at least one of information related to detection failure or information related to reception of a paging signal.
According to clause 11,
If an error in the wireless connection with the network is continuously detected during the specified time, whether cell selection is performed based on information related to the failure to detect data of a physical downlink shared channel (PDSCH) received from the network during the specified time. A method that further includes an action to judge.
According to clause 11,
The method further includes synchronizing frequency and time with the newly connected network based on a synchronization signal and PBCH block (SSB) received from the newly connected network through the cell selection.
According to claim 11,
An operation of checking the number of errors in a network to which the electronic device is connected based on the cell selection, and
The method further includes adding the network to a prohibited access list based on the number of times an error has occurred in the network.
According to claim 11,
An operation of checking the number of errors in a network to which the electronic device is connected based on the cell selection, and
The method further includes updating the access priority of the network based on the number of times an error has occurred in the network.
According to clause 11,
The method further includes transmitting information related to error detection of a 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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