WO2022114586A1 - 핸드오버를 수행하는 전자 장치 및 그 동작 방법 - Google Patents
핸드오버를 수행하는 전자 장치 및 그 동작 방법 Download PDFInfo
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- WO2022114586A1 WO2022114586A1 PCT/KR2021/015914 KR2021015914W WO2022114586A1 WO 2022114586 A1 WO2022114586 A1 WO 2022114586A1 KR 2021015914 W KR2021015914 W KR 2021015914W WO 2022114586 A1 WO2022114586 A1 WO 2022114586A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
- H04W36/0085—Hand-off measurements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0058—Transmission of hand-off measurement information, e.g. measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0072—Transmission or use of information for re-establishing the radio link of resource information of target access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0079—Transmission or use of information for re-establishing the radio link in case of hand-off failure or rejection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/02—Power saving arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Definitions
- the present disclosure relates to an electronic device for performing handover and a method of operating the same.
- the 5G communication system is being considered for implementation in a very high frequency band in addition to the high frequency band used in 3G and LTE to provide a faster data rate.
- the user equipment may perform radio access based on radio access technology (RAT) of new radio (NR) and register with a core network of a 5th generation core (5GC).
- RAT radio access technology
- NR new radio
- 5GC 5th generation core
- the user equipment may perform radio access based on the RAT of the evolved universal mobile telecommunications system (UMTS) terrestrial radio access (EUTRA) and register it with the core network of the evolved packet core (EPC). After registering with the EPC, the user equipment may transmit/receive data based on the RAT of EUTRA and/or RAT of NR based on dual connectivity.
- UMTS evolved universal mobile telecommunications system
- EUTRA evolved packet core
- a technology in which a user device transmits/receives data based on heterogeneous RATs may be referred to as dual connectivity.
- the NSA method of 5G can be implemented in a way that the dual connectivity proposed by 3GPP release-12 uses a base station according to EUTRA as a master node and a base station according to NR as a secondary node.
- the user equipment may support both the SA mode and the NSA mode.
- the user device may transmit/receive data based on heterogeneous RATs. In this case, heat may be generated or the amount of power consumed may increase.
- the user device is in a high temperature state or has a low remaining battery power, a problem may occur as the user equipment enters the NSA mode.
- the user equipment needs to operate in the SA mode. For example, even in a high temperature state or a state in which the remaining battery power is low, the user equipment needs to perform inter RAT handover.
- an electronic device and an operating method thereof measure a frequency determined to support the SA mode in a state where DC (dual connectivity) is limited, and perform a measurement on a frequency determined to support the NSA mode. measurement may not be performed.
- the electronic device includes at least one processor supporting a first radio access technology (RAT) and a second RAT, wherein the at least one processor is configured to be Based on receiving a radio resource control (RRC) reconfiguration message including a measurement object (MO), and confirming that the DC (dual connectivity) of the first RAT and the second RAT is in a restricted state, check based on the MO
- RRC radio resource control
- MO measurement object
- SA stand alone
- a method of operating an electronic device supporting a first radio access technology (RAT) and a second RAT includes a radio resource (RRC) including a measurement object (MO) from a network based on the first RAT. control) At least one frequency based on the second RAT that is confirmed based on the MO, based on an operation of receiving a reconfiguration message, and confirming that the DC (dual connectivity) of the first RAT and the second RAT is in a restricted state performing measurement on at least one first frequency that satisfies a condition associated with a stand alone (SA) mode, and measuring at least one second frequency that does not satisfy the condition among the at least one frequency It may include refraining from actions.
- RRC radio resource
- MO measurement object
- SA stand alone
- the electronic device includes at least one processor supporting a first radio access technology (RAT) and a second RAT, wherein the at least one processor is configured to be Based on receiving a radio resource control (RRC) reconfiguration message including a measurement object (MO), and confirming that the DC (dual connectivity) of the first RAT and the second RAT is in a restricted state, check based on the MO Performs a measurement on at least one frequency based on the second RAT, and transmits the measurement result to the first RAT based on whether the measurement result for at least a part of the at least one frequency satisfies a reporting condition report to the network based on, and based on receiving a handover command from the network to the cell corresponding to the second RAT in response to the report, from the cell corresponding to the first RAT to the second RAT Based on performing a handover procedure to a cell, and receiving another RRC reconfiguration message of a second cell group (SCG) addition of a cell corresponding to the second RAT from the network in
- RRC radio
- an electronic device that performs measurement on a frequency determined to support the SA mode and does not perform measurement on a frequency that is determined to support the NSA mode, and its operation A method may be provided. Accordingly, in a state in which the DC is limited, the operation in the NSA mode is restricted, and inter RAT handover for the SA mode may be performed.
- FIG. 1 is a block diagram of an electronic device in a network environment, according to various embodiments of the present disclosure
- FIGS. 2A and 2B are block diagrams of an electronic device for supporting legacy network communication and 5G network communication, according to various embodiments.
- 3A, 3B, and 3C are diagrams illustrating wireless communication systems that provide networks of legacy communication and/or 5G communication according to various embodiments.
- FIG. 4 is a flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure
- FIG. 5 illustrates a plurality of base stations and electronic devices according to various embodiments.
- 6A is a flowchart illustrating an operation method of an electronic device and an eNB according to various embodiments of the present disclosure
- 6B is a flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure
- FIG. 7 is a flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure.
- 8A to 8C are flowcharts illustrating a method of operating an electronic device according to various embodiments of the present disclosure.
- FIG. 9 is a flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure.
- FIG. 11 is a flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure.
- FIG. 12 is a flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure
- FIG. 13 is a flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure
- FIG. 14 is a flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure.
- FIG. 1 is a block diagram of an electronic device 101 in a network environment 100 according to various embodiments.
- an electronic device 101 communicates with an electronic device 102 through a first network 198 (eg, a short-range wireless communication network) or a second network 199 . It may communicate with the electronic device 104 or the server 108 through (eg, a long-distance wireless communication network). According to an embodiment, the electronic device 101 may communicate with the electronic device 104 through the server 108 .
- a first network 198 eg, a short-range wireless communication network
- a second network 199 e.g., a second network 199
- the electronic device 101 may communicate with the electronic device 104 through the server 108 .
- the electronic device 101 includes a processor 120 , a memory 130 , an input module 150 , a sound output module 155 , a display module 160 , an audio module 170 , and a sensor module ( 176), interface 177, connection terminal 178, haptic module 179, camera module 180, power management module 188, battery 189, communication module 190, subscriber identification module 196 , or an antenna module 197 may be included.
- at least one of these components eg, the connection terminal 178
- may be omitted or one or more other components may be added to the electronic device 101 .
- some of these components are integrated into one component (eg, display module 160 ). can be
- the processor 120 for example, executes software (eg, a program 140) to execute at least one other component (eg, a hardware or software component) of the electronic device 101 connected to the processor 120 . It can control and perform various data processing or operations. According to one embodiment, as at least part of data processing or operation, the processor 120 converts commands or data received from other components (eg, the sensor module 176 or the communication module 190 ) to the volatile memory 132 . may be stored in the volatile memory 132 , and may process commands or data stored in the volatile memory 132 , and store the result data in the non-volatile memory 134 .
- software eg, a program 140
- the processor 120 converts commands or data received from other components (eg, the sensor module 176 or the communication module 190 ) to the volatile memory 132 .
- the volatile memory 132 may be stored in the volatile memory 132 , and may process commands or data stored in the volatile memory 132 , and store the result data in the non-volatile memory 134 .
- the processor 120 is the main processor 121 (eg, a central processing unit or an application processor) or a secondary processor 123 (eg, a graphic processing unit, a neural network processing unit) a neural processing unit (NPU), an image signal processor, a sensor hub processor, or a communication processor).
- the main processor 121 e.g, a central processing unit or an application processor
- a secondary processor 123 eg, a graphic processing unit, a neural network processing unit
- NPU neural processing unit
- an image signal processor e.g., a sensor hub processor, or a communication processor.
- the main processor 121 e.g, a central processing unit or an application processor
- a secondary processor 123 eg, a graphic processing unit, a neural network processing unit
- NPU neural processing unit
- an image signal processor e.g., a sensor hub processor, or a communication processor.
- the main processor 121 e.g, a central processing unit or an application processor
- a secondary processor 123
- the auxiliary processor 123 is, for example, on behalf of the main processor 121 while the main processor 121 is in an inactive (eg, sleep) state, or the main processor 121 is active (eg, executing an application). ), together with the main processor 121, at least one of the components of the electronic device 101 (eg, the display module 160, the sensor module 176, or the communication module 190) It is possible to control at least some of the related functions or states.
- the co-processor 123 eg, an image signal processor or a communication processor
- may be implemented as part of another functionally related component eg, the camera module 180 or the communication module 190. have.
- the auxiliary processor 123 may include a hardware structure specialized for processing an artificial intelligence model.
- Artificial intelligence models can be created through machine learning. Such learning may be performed, for example, in the electronic device 101 itself on which artificial intelligence is performed, or may be performed through a separate server (eg, the server 108).
- the learning algorithm may include, for example, supervised learning, unsupervised learning, semi-supervised learning, or reinforcement learning, but in the above example not limited
- the artificial intelligence model may include a plurality of artificial neural network layers.
- Artificial neural networks include deep neural networks (DNNs), convolutional neural networks (CNNs), recurrent neural networks (RNNs), restricted boltzmann machines (RBMs), deep belief networks (DBNs), bidirectional recurrent deep neural networks (BRDNNs), It may be one of deep Q-networks or a combination of two or more of the above, but is not limited to the above example.
- the artificial intelligence model may include, in addition to, or alternatively, a software structure in addition to the hardware structure.
- the memory 130 may store various data used by at least one component of the electronic device 101 (eg, the processor 120 or the sensor module 176 ).
- the data may include, for example, input data or output data for software (eg, the program 140 ) and instructions related thereto.
- the memory 130 may include a volatile memory 132 or a non-volatile memory 134 .
- the program 140 may be stored as software in the memory 130 , and may include, for example, an operating system 142 , middleware 144 , or an application 146 .
- the input module 150 may receive a command or data to be used in a component (eg, the processor 120 ) of the electronic device 101 from the outside (eg, a user) of the electronic device 101 .
- the input module 150 may include, for example, a microphone, a mouse, a keyboard, a key (eg, a button), or a digital pen (eg, a stylus pen).
- the sound output module 155 may output a sound signal to the outside of the electronic device 101 .
- the sound output module 155 may include, for example, a speaker or a receiver.
- the speaker can be used for general purposes such as multimedia playback or recording playback.
- the receiver may be used to receive an incoming call. According to one embodiment, the receiver may be implemented separately from or as part of the speaker.
- the display module 160 may visually provide information to the outside (eg, a user) of the electronic device 101 .
- the display module 160 may include, for example, a control circuit for controlling a display, a hologram device, or a projector and a corresponding device.
- the display module 160 may include a touch sensor configured to sense a touch or a pressure sensor configured to measure the intensity of a force generated by the touch.
- the audio module 170 may convert a sound into an electric signal or, conversely, convert an electric signal into a sound. According to an embodiment, the audio module 170 acquires a sound through the input module 150 , or an external electronic device (eg, a sound output module 155 ) connected directly or wirelessly with the electronic device 101 . A sound may be output through the electronic device 102 (eg, a speaker or headphones).
- an external electronic device eg, a sound output module 155
- a sound may be output through the electronic device 102 (eg, a speaker or headphones).
- the sensor module 176 detects an operating state (eg, power or temperature) of the electronic device 101 or an external environmental state (eg, user state), and generates an electrical signal or data value corresponding to the sensed state. can do.
- the sensor module 176 may include, for example, a gesture sensor, a gyro sensor, a barometric pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an IR (infrared) sensor, a biometric sensor, It may include a temperature sensor, a humidity sensor, or an illuminance sensor.
- the interface 177 may support one or more designated protocols that may be used by the electronic device 101 to directly or wirelessly connect with an external electronic device (eg, the electronic device 102 ).
- the interface 177 may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.
- HDMI high definition multimedia interface
- USB universal serial bus
- SD card interface Secure Digital Card
- the connection terminal 178 may include a connector through which the electronic device 101 can be physically connected to an external electronic device (eg, the electronic device 102 ).
- the connection terminal 178 may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (eg, a headphone connector).
- the haptic module 179 may convert an electrical signal into a mechanical stimulus (eg, vibration or movement) or an electrical stimulus that the user can perceive through tactile or kinesthetic sense.
- the haptic module 179 may include, for example, a motor, a piezoelectric element, or an electrical stimulation device.
- the camera module 180 may capture still images and moving images. According to an embodiment, the camera module 180 may include one or more lenses, image sensors, image signal processors, or flashes.
- the power management module 188 may manage power supplied to the electronic device 101 .
- the power management module 188 may be implemented as, for example, at least a part of a power management integrated circuit (PMIC).
- PMIC power management integrated circuit
- the battery 189 may supply power to at least one component of the electronic device 101 .
- battery 189 may include, for example, a non-rechargeable primary cell, a rechargeable secondary cell, or a fuel cell.
- the communication module 190 is a direct (eg, wired) communication channel or a wireless communication channel between the electronic device 101 and an external electronic device (eg, the electronic device 102, the electronic device 104, or the server 108). It can support establishment and communication performance through the established communication channel.
- the communication module 190 may include one or more communication processors that operate independently of the processor 120 (eg, an application processor) and support direct (eg, wired) communication or wireless communication.
- the communication module 190 is a wireless communication module 192 (eg, a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module 194 (eg, : It may include a LAN (local area network) communication module, or a power line communication module).
- GNSS global navigation satellite system
- a corresponding communication module among these communication modules is a first network 198 (eg, a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)) or a second network 199 (eg, legacy It may communicate with the external electronic device 104 through a cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (eg, a telecommunication network such as a LAN or a WAN).
- a first network 198 eg, a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)
- a second network 199 eg, legacy It may communicate with the external electronic device 104 through a cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (eg, a telecommunication network such as a LAN or a WAN).
- a telecommunication network
- the wireless communication module 192 uses the subscriber information (eg, International Mobile Subscriber Identifier (IMSI)) stored in the subscriber identification module 196 within a communication network such as the first network 198 or the second network 199 .
- the electronic device 101 may be identified or authenticated.
- the wireless communication module 192 may support a 5G network after a 4G network and a next-generation communication technology, for example, a new radio access technology (NR).
- NR access technology includes high-speed transmission of high-capacity data (eMBB (enhanced mobile broadband)), minimization of terminal power and access to multiple terminals (mMTC (massive machine type communications)), or high reliability and low latency (URLLC (ultra-reliable and low-latency) -latency communications)).
- eMBB enhanced mobile broadband
- mMTC massive machine type communications
- URLLC ultra-reliable and low-latency
- the wireless communication module 192 may support a high frequency band (eg, mmWave band) to achieve a high data rate, for example.
- a high frequency band eg, mmWave band
- the wireless communication module 192 includes various technologies for securing performance in a high-frequency band, for example, beamforming, massive multiple-input and multiple-output (MIMO), all-dimensional multiplexing. It may support technologies such as full dimensional MIMO (FD-MIMO), an array antenna, analog beam-forming, or a large scale antenna.
- the wireless communication module 192 may support various requirements specified in the electronic device 101 , an external electronic device (eg, the electronic device 104 ), or a network system (eg, the second network 199 ).
- the wireless communication module 192 may include a peak data rate (eg, 20 Gbps or more) for realizing eMBB, loss coverage (eg, 164 dB or less) for realizing mMTC, or U-plane latency for realizing URLLC ( Example: downlink (DL) and uplink (UL) each 0.5 ms or less, or round trip 1 ms or less).
- a peak data rate eg, 20 Gbps or more
- loss coverage eg, 164 dB or less
- U-plane latency for realizing URLLC
- the antenna module 197 may transmit or receive a signal or power to the outside (eg, an external electronic device).
- the antenna module 197 may include an antenna including a conductor formed on a substrate (eg, a PCB) or a radiator formed of a conductive pattern.
- the antenna module 197 may include a plurality of antennas (eg, an array antenna). In this case, at least one antenna suitable for a communication method used in a communication network such as the first network 198 or the second network 199 is connected from the plurality of antennas by, for example, the communication module 190 . can be selected. A signal or power may be transmitted or received between the communication module 190 and an external electronic device through the selected at least one antenna.
- other components eg, a radio frequency integrated circuit (RFIC)
- RFIC radio frequency integrated circuit
- the antenna module 197 may form a mmWave antenna module.
- the mmWave antenna module comprises a printed circuit board, an RFIC disposed on or adjacent to a first side (eg, bottom side) of the printed circuit board and capable of supporting a designated high frequency band (eg, mmWave band); and a plurality of antennas (eg, an array antenna) disposed on or adjacent to a second side (eg, top or side) of the printed circuit board and capable of transmitting or receiving signals of the designated high frequency band. can do.
- peripheral devices eg, a bus, general purpose input and output (GPIO), serial peripheral interface (SPI), or mobile industry processor interface (MIPI)
- GPIO general purpose input and output
- SPI serial peripheral interface
- MIPI mobile industry processor interface
- the command or data may be transmitted or received between the electronic device 101 and the external electronic device 104 through the server 108 connected to the second network 199 .
- Each of the external electronic devices 102 or 104 may be the same as or different from the electronic device 101 .
- all or a part of operations executed in the electronic device 101 may be executed in one or more external electronic devices 102 , 104 , or 108 .
- the electronic device 101 may perform the function or service itself instead of executing the function or service itself.
- one or more external electronic devices may be requested to perform at least a part of the function or the service.
- One or more external electronic devices that have received the request may execute at least a part of the requested function or service, or an additional function or service related to the request, and transmit a result of the execution to the electronic device 101 .
- the electronic device 101 may process the result as it is or additionally and provide it as at least a part of a response to the request.
- cloud computing, distributed computing, mobile edge computing (MEC), or client-server computing technology may be used.
- the electronic device 101 may provide an ultra-low latency service using, for example, distributed computing or mobile edge computing.
- the external electronic device 104 may include an Internet of things (IoT) device.
- Server 108 may be an intelligent server using machine learning and/or neural networks.
- the external electronic device 104 or the server 108 may be included in the second network 199 .
- the electronic device 101 may be applied to an intelligent service (eg, smart home, smart city, smart car, or health care) based on 5G communication technology and IoT-related technology.
- the electronic device 101 includes a first communication processor (eg, a processing circuit) 212 , a second communication processor (eg, a processing circuit) 214 , and a first radio frequency integrated circuit (RFIC) ( 222), second RFIC 224, third RFIC 226, fourth RFIC 228, first radio frequency front end (RFFE) 232, second RFFE 234, first antenna module 242 ), a second antenna module 244 , a third antenna module 246 and antennas 248 .
- the electronic device 101 may further include a processor 120 and a memory 130 .
- the second network 199 may include a first cellular network 292 and a second cellular network 294 .
- the electronic device 101 may further include at least one component among the components illustrated in FIG. 1 , and the second network 199 may further include at least one other network.
- a first communication processor 212 , a second communication processor 214 , a first RFIC 222 , a second RFIC 224 , a fourth RFIC 228 , a first RFFE 232 , and the second RFFE 234 may form at least a part of the wireless communication module 192 .
- the fourth RFIC 228 may be omitted or may be included as a part of the third RFIC 226 .
- the first communication processor 212 may include various processing circuits, and may support establishment of a communication channel of a band to be used for wireless communication with the first cellular network 292 , and legacy network communication through the established communication channel.
- the first cellular network may be a legacy network including a second generation (2G), 3G, 4G, or long term evolution (LTE) network.
- the second communication processor 214 establishes a communication channel corresponding to a designated band (eg, about 6 GHz to about 60 GHz) among bands to be used for wireless communication with the second cellular network 294 , and a 5G network through the established communication channel communication can be supported.
- the second cellular network 294 may be a 5G network defined by 3GPP.
- the first communication processor 212 or the second communication processor 214 corresponds to another designated band (eg, about 6 GHz or less) among bands to be used for wireless communication with the second cellular network 294 . It is possible to support the establishment of a communication channel, and 5G network communication through the established communication channel.
- another designated band eg, about 6 GHz or less
- the first communication processor 212 may transmit/receive data to and from the second communication processor 214 .
- data classified to be transmitted over the second cellular network 294 may be changed to be transmitted over the first cellular network 292 .
- the first communication processor 212 may receive transmission data from the second communication processor 214 .
- the first communication processor 212 may transmit/receive data through the second communication processor 214 and the interprocessor interface 213 .
- the interprocessor interface 213 may be implemented as, for example, a universal asynchronous receiver/transmitter (UART) (eg, high speed-UART (HS-UART) or peripheral component interconnect bus express (PCIe) interface).
- UART universal asynchronous receiver/transmitter
- PCIe peripheral component interconnect bus express
- the first communication processor 212 and the second communication processor 214 may exchange control information and packet data information using, for example, a shared memory.
- the communication processor 212 may transmit/receive various information to and from the second communication processor 214 , such as sensing information, information on output strength, and resource block (RB) allocation information.
- RB resource block
- the first communication processor 212 may not be directly connected to the second communication processor 214 .
- the first communication processor 212 may transmit and receive data through the second communication processor 214 and the processor 120 (eg, an application processor).
- the first communication processor 212 and the second communication processor 214 may transmit and receive data with the processor 120 (eg, an application processor) through the HS-UART interface or the PCIe interface, but There is no restriction on the type.
- the first communication processor 212 and the second communication processor 214 may exchange control information and packet data information using a shared memory with the processor 120 (eg, an application processor). .
- the first communication processor 212 and the second communication processor 214 may be implemented in a single chip or a single package. According to various embodiments, the first communication processor 212 or the second communication processor 214 may be formed in a single chip or a single package with the processor 120 , the co-processor 123 , or the communication module 190 . have.
- the unified communication processor 260 may support both functions for communication with the first cellular network 292 and the second cellular network 294 .
- the first RFIC 222 when transmitting, transmits a baseband signal generated by the first communication processor 212 from about 700 MHz to about 700 MHz used for the first cellular network 292 (eg, a legacy network). It can be converted to a radio frequency (RF) signal of 3 GHz.
- RF radio frequency
- an RF signal is obtained from a first cellular network 292 (eg, a legacy network) via an antenna (eg, a first antenna module 242), and an RFFE (eg, a first RFFE 232) It can be preprocessed through
- the first RFIC 222 may convert the preprocessed RF signal into a baseband signal to be processed by the first communication processor 212 .
- the second RFIC 224 when transmitting, uses the baseband signal generated by the first communication processor 212 or the second communication processor 214 to the second cellular network 294 (eg, a 5G network). It can be converted into an RF signal (hereinafter, 5G Sub6 RF signal) of the Sub6 band (eg, about 6 GHz or less).
- 5G Sub6 RF signal RF signal
- a 5G Sub6 RF signal is obtained from a second cellular network 294 (eg, 5G network) via an antenna (eg, second antenna module 244 ), and an RFFE (eg, second RFFE 234 ) ) can be preprocessed.
- the second RFIC 224 may convert the preprocessed 5G Sub6 RF signal into a baseband signal to be processed by a corresponding one of the first communication processor 212 or the second communication processor 214 .
- the third RFIC 226 transmits the baseband signal generated by the second communication processor 214 to the 5G Above6 band (eg, about 6 GHz to about 60 GHz) to be used in the second cellular network 294 (eg, 5G network). It can be converted into an RF signal (hereinafter referred to as 5G Above6 RF signal).
- a 5G Above6 RF signal may be obtained from the second cellular network 294 (eg, 5G network) via an antenna (eg, antenna 248 ) and pre-processed via a third RFFE 236 .
- the third RFIC 226 may convert the preprocessed 5G Above6 RF signal into a baseband signal to be processed by the second communication processor 214 .
- the third RFFE 236 may be formed as part of the third RFIC 226 .
- the electronic device 101 may include the fourth RFIC 228 separately from or as at least a part of the third RFIC 226 .
- the fourth RFIC 228 converts the baseband signal generated by the second communication processor 214 into an RF signal (hereinafter, IF signal) of an intermediate frequency band (eg, about 9 GHz to about 11 GHz). After conversion, the IF signal may be transmitted to the third RFIC 226 .
- the third RFIC 226 may convert the IF signal into a 5G Above6 RF signal.
- a 5G Above6 RF signal may be received from the second cellular network 294 (eg, 5G network) via an antenna (eg, antenna 248 ) and converted to an IF signal by a third RFIC 226 .
- the fourth RFIC 228 may convert the IF signal into a baseband signal for processing by the second communication processor 214 .
- the first RFIC 222 and the second RFIC 224 may be implemented as at least a part of a single chip or a single package.
- the first RFIC 222 and the second RFIC 224 in FIG. 2A or 2B may be implemented as an integrated RFIC.
- the integrated RFIC is connected to the first RFFE 232 and the second RFFE 234 to convert a baseband signal into a signal of a band supported by the first RFFE 232 and/or the second RFFE 234 and , the converted signal may be transmitted to one of the first RFFE 232 and the second RFFE 234 .
- the first RFFE 232 and the second RFFE 234 may be implemented as at least a part of a single chip or a single package.
- at least one antenna module of the first antenna module 242 or the second antenna module 244 may be omitted or may be combined with another antenna module to process RF signals of a plurality of corresponding bands.
- the third RFIC 226 and the antenna 248 may be disposed on the same substrate to form the third antenna module 246 .
- the wireless communication module 192 or the processor 120 may be disposed on the first substrate (eg, main PCB).
- the third RFIC 226 is located in a partial area (eg, the bottom surface) of the second substrate (eg, sub PCB) separate from the first substrate, and the antenna 248 is located in another partial region (eg, the top surface). is disposed, the third antenna module 246 may be formed.
- a high-frequency band eg, about 6 GHz to about 60 GHz
- the electronic device 101 may improve the quality or speed of communication with the second cellular network 294 (eg, a 5G network).
- the antenna 248 may be formed as an antenna array including a plurality of antenna elements that may be used for beamforming.
- the third RFIC 226 may include, for example, as a part of the third RFFE 236 , a plurality of phase shifters 238 corresponding to the plurality of antenna elements.
- each of the plurality of phase shifters 238 may transform the phase of a 5G Above6 RF signal to be transmitted to the outside of the electronic device 101 (eg, a base station of a 5G network) through a corresponding antenna element. .
- each of the plurality of phase shifters 238 may convert the phase of the 5G Above6 RF signal received from the outside through a corresponding antenna element into the same or substantially the same phase. This enables transmission or reception through beamforming between the electronic device 101 and the outside.
- the second cellular network 294 may be operated independently (eg, Stand-Alone (SA)) or connected to the first cellular network 292 (eg, legacy network).
- SA Stand-Alone
- the 5G network may have only an access network (eg, a 5G radio access network (RAN) or a next generation RAN (NG RAN)), and may not have a core network (eg, a next generation core (NGC)).
- the electronic device 101 may access an external network (eg, the Internet) under the control of a core network (eg, evolved packed core (EPC)) of the legacy network.
- SA Stand-Alone
- NG RAN next generation RAN
- NGC next generation core
- the electronic device 101 may access an external network (eg, the Internet) under the control of a core network (eg, evolved packed core (EPC)) of the legacy network.
- EPC evolved packed core
- Protocol information for communication with a legacy network eg, LTE protocol information
- protocol information for communication with a 5G network eg, New Radio (NR) protocol information
- NR New Radio
- the network environments 300a to 300c may include at least one of a legacy network and a 5G network.
- the legacy network includes, for example, a 4G or LTE base station 340 (eg, eNB (eNodeB)) of the 3GPP standard supporting wireless connection with the electronic device 101 and an evolved packet (EPC) for managing 4G communication. core) 342 .
- the 5G network for example, manages 5G communication between the electronic device 101 and a New Radio (NR) base station 350 (eg, gNB (gNodeB)) supporting wireless connection and the electronic device 101 . It may include a 5th generation core (5GC) 352.
- NR New Radio
- gNB gNodeB
- 5GC 5th generation core
- the electronic device 101 may transmit/receive a control message and user data through legacy communication and/or 5G communication.
- the control message is, for example, a message related to at least one of security control, bearer setup, authentication, registration, or mobility management of the electronic device 101 .
- the user data may refer to, for example, user data excluding a control message transmitted/received between the electronic device 101 and the core network 330 (eg, the EPC 342 ).
- the electronic device 101 uses at least a part of a legacy network (eg, the LTE base station 340 and the EPC 342 ) to at least a part of a 5G network (eg: The NR base station 350 and the 5GC 352 may transmit/receive at least one of a control message or user data.
- a legacy network eg, the LTE base station 340 and the EPC 342
- a 5G network eg: The NR base station 350 and the 5GC 352 may transmit/receive at least one of a control message or user data.
- network environment 300a provides wireless communication dual connectivity (DC) to LTE base station 340 and NR base station 350 , and either EPC 342 or 5GC 352 . It may include a network environment in which a control message is transmitted and received with the electronic device 101 through the core network 230 of the .
- DC wireless communication dual connectivity
- one of the LTE base station 340 or the NR base station 350 operates as a master node (MN) 310 and the other operates as a secondary node (SN) 320 .
- MN master node
- SN secondary node
- the MN 310 may be connected to the core network 230 to transmit and receive control messages.
- the MN 310 and the SN 320 may be connected through a network interface to transmit/receive messages related to radio resource (eg, communication channel) management with each other.
- radio resource eg, communication channel
- the MN 310 may be configured as the LTE base station 340
- the SN 320 may be configured as the NR base station 350
- the core network 330 may be configured as the EPC 342 .
- a control message may be transmitted/received through the LTE base station 340 and the EPC 342
- user data may be transmitted/received through at least one of the LTE base station 340 and the NR base station 350 .
- the MN 310 may include the NR base station 350
- the SN 320 may include the LTE base station 340
- the core network 330 may include the 5GC 352 .
- a control message may be transmitted/received through the NR base station 350 and the 5GC 352
- user data may be transmitted/received through at least one of the LTE base station 340 or the NR base station 350 .
- a 5G network may include an NR base station 350 and a 5GC 352 , and may independently transmit/receive a control message and user data to/from the electronic device 101 .
- the legacy network and the 5G network may independently provide data transmission/reception.
- the electronic device 101 and the EPC 342 may transmit and receive a control message and user data through the LTE base station 340 .
- the electronic device 101 and the 5GC 352 may transmit and receive a control message and user data through the NR base station 350 .
- the electronic device 101 may be registered with at least one of the EPC 342 and the 5GC 352 to transmit/receive a control message.
- the EPC 342 or the 5GC 352 may interwork to manage communication of the electronic device 101 .
- movement information of the electronic device 101 may be transmitted/received through an interface between the EPC 342 and the 5GC 352 .
- E-UTRA new radio dual connectivity dual connectivity through the LTE base station 340 and the NR base station 350 may be referred to as E-UTRA new radio dual connectivity (EN-DC).
- EN-DC E-UTRA new radio dual connectivity
- FIG. 4 is a flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure; The embodiment of FIG. 4 will be described with reference to FIG. 5 .
- 5 illustrates a plurality of base stations and electronic devices according to various embodiments.
- the electronic device 101 (eg, at least one of the processor 120 , the first communication processor 212 , the second communication processor 214 , or the unified communication processor 260 ) performs operation 401 .
- a radio resource control (RRC) reconfiguration message including a measurement object (MO) may be received.
- the first RAT may be E-UTRA, or may be NR.
- the electronic device 101 may be registered with EPC based on E-UTRA or may be registered with 5GC based on NR, for example, the electronic device 101 may be registered in RRC It may be in a connected (RRC_CONNECTED) state, but there is no limit.
- the electronic device 101 may be configured to report measurement information according to a measurement configuration provided by a network.
- the network may provide the measurement configuration using a means of dedicated signaling, for example, an RRC reconfiguration message.
- the RRC reconfiguration message may be, for example, an RRCConnectionReconfiguration message or RRCConnectionResume message conforming to 3rd generation partnership project (3GPP) technical specification (TS) 36.331
- 3GPP 3rd generation partnership project
- TS technical specification
- the RRC reconfiguration message may be, for example, an RRCReconfiguration message conforming to 3GPP TS 38.331, but there is no limitation.
- a frequency (or a cell (eg, a cell for a first RAT and/or a cell for a second RAT) on which a user equipment (UE) should perform a measurement))
- It may include information related to The cell-related information may include at least one of a frequency channel number, cell identification information (eg, physical cell identifier: PCI), a black list, and an offset value for each cell.
- the first RAT is E-UTRA
- the second RAT may be NR
- the MO may include, for example, a single NR carrier frequency.
- the second RAT when the first RAT is NR, the second RAT may be E-UTRA, and the MO may include, for example, a single E-UTRA carrier frequency.
- the RRC reconfiguration message may include a reporting configuration, for example, a reporting condition for performing a measurement report (MR).
- the RRC reconfiguration message may include at least one of a measurement ID for identifying the MO, a quantity configuration indicating a value to be measured by the UE, or a measurement gap associated with a measurement period.
- the electronic device 101 may determine that DC (dual connectivity) is in a limited state.
- whether the DC is in a restricted state may be determined by, for example, the processor 120, and the processor 120 transmits the determination result to the communication processor (eg, the first communication processor 212, the second 2) to at least one of the communication processor 214 or the unified communication processor 260).
- the communication processor may be configured to determine whether the DC is in a restricted state. The communication processor may determine whether the DC is in the restricted state based on the information transmitted from the processor 120, and/or may determine whether the DC is in the restricted state based on information obtained by the communication processor have.
- the DC limited state may be a case in which the remaining amount of the battery of the electronic device 101 is less than or equal to a threshold remaining amount (eg, 15%).
- the DC limited state may be, for example, a case in which the remaining amount of the battery of the electronic device 101 is less than or equal to a threshold remaining amount.
- the consumption speed of the battery when DC is used eg, the amount of decrease in the remaining amount of the battery per unit time
- DC may be set to be limited in order to save the battery.
- the DC restricted state may be a case in which the current and/or expected transmission and/or reception data rate of the electronic device 101 is less than or equal to a threshold data rate (eg, 30 Mbps).
- a threshold data rate eg, 30 Mbps.
- a data rate may increase as the DC is used, but if the current and/or expected data rate is relatively small, the actual benefit of using the DC may be small. Accordingly, if the current and/or expected transmit and/or receive data rate is below a threshold data rate, DC may be set to be limited.
- the current and/or expected transmit and/or receive data rate is below the threshold data rate, for example, if VoIP (e.g., voice over LTE (VoLTE) or voice over NR (VoNR)) is running, Alternatively, the screen of the electronic device 101 may be in an off state. If the current and/or expected transmit and/or receive data rate is less than or equal to a threshold data rate, it may be identified, for example, based on the type of application running in the foreground and/or background. If the current and/or expected transmit and/or receive data rate is less than or equal to a threshold data rate, it may be identified, for example, based on a scheduling rate for uplink and/or downlink resources.
- VoIP voice over LTE
- VoIP voice over NR
- the scheduling rate may be measured based on the number of downlink control indicators (DCIs) (eg, DCI format 0 or DCI format 1) received per reference time (eg, 1 second).
- DCIs downlink control indicators
- the data rate There are no restrictions on the associated conditions.
- the DC restricted state may be a case in which the current temperature of the electronic device 101 is greater than or equal to a threshold temperature (eg, 39°C).
- a threshold temperature eg, 39°C
- the amount of heat generated by the electronic device 101 may be greater than that when DC is not used.
- the temperature may continuously increase, which may cause damage to the electronic device 101 .
- the current temperature is equal to or greater than the threshold temperature
- DC may be set to be limited.
- the current temperature of the electronic device 101 is, for example, at least one component included in the electronic device 101 (eg, the processor 120, the first communication processor 212, the second communication processor 214, the current temperature of the unified communications processor 260 and/or the wireless communications module 192).
- the electronic device 101 is included in the at least one component or through a temperature sensor (eg, the sensor module 176 of FIG. 1 ) close to the surface of the at least one component. You can measure the current temperature.
- the DC restricted state may be a case in which a subscriber identification module (SIM) that does not require the use of an Internet pack data network (PDN) (or a data network name (DNN)) is used.
- the electronic device 101 may support multi-SIM, and when the multi-SIM supports a dual sim dual standby (DSDS) mode, an RF resource is used to transmit/receive data associated with any one of the multi-SIMs. In the meantime, another SIM can stand by.
- One of the multi-SIMs is set to enable processing of data packets (eg, packets associated with Internet PDN), and the other is configured to enable processing of voice packets (eg, packets associated with IMS PDN).
- DC may be set to be limited.
- the electronic device 101 After the electronic device 101 receives the RRC reconfiguration message, it is illustrated to confirm that the DC is in a restricted state, but this is merely exemplary, and the electronic device 101 has a DC It will be understood by those skilled in the art that the RRC reconfiguration message may be received in a restricted state, and there is no restriction on the order of the RRC reconfiguration message in the flowcharts according to various embodiments.
- the condition associated with the SA mode may be, for example, a condition associated with whether a cell of a corresponding frequency can support the SA mode.
- the condition associated with the SA mode may be that a corresponding frequency has a history of supporting the SA mode.
- the condition associated with the SA mode may be that the frequency has no history of supporting the NSA mode.
- the condition associated with the SA mode is included in the system information block (SIB) 24 provided by the base station (eg, the eNB when the first RAT is E-UTRA) the corresponding frequency is associated with the first RAT it may have been
- the condition associated with the SA mode is that the frequency is included in system information block (SIB) 1 provided by the base station (eg, gNB when the second RAT is NR) associated with the second RAT.
- the electronic device 101 uses the first base station 501 as a serving cell and a core network (eg, EPC) corresponding to a first RAT (eg, E-UTRA). ) may be registered.
- the electronic device 101 may be in a state of forming an RRC connection with the first base station 501 (eg, eNB) based on the first RAT (eg, E-UTRA).
- the electronic device 101 may receive an RRC reconfiguration message 521 from the first base station 501 .
- the electronic device 101 may identify at least one frequency associated with the second RAT (eg, NR) from the MO included in the RRC reconfiguration message 521 .
- the second RAT eg, NR
- the MO may include at least one single NR carrier frequency (eg, ARFCN #1, ARFCN #2, ARFCN #3).
- ARFCN #1 may be, for example, an absolute radio frequency channel number (ARFCN) of the second base station 503 (eg, gNB) based on the second RAT (eg, NR).
- ARFCN #2 may be, for example, the ARFCN of the third base station 505 (eg, gNB) based on the second RAT (eg, NR).
- ARFCN #3 may be, for example, the ARFCN of the fourth base station 507 (eg, gNB) based on the second RAT (eg, NR).
- Neighbor base stations 503 , 505 , and 507 may transmit synchronization signals 523 , 525 , 527 (eg, SSB).
- the neighbor base stations 503 , 505 and 507 can transmit a reference signal (eg, CSI-RS).
- the electronic device 101 measures at least one first frequency that satisfies the condition in operation 407 .
- the measurement is performed at a measurement timing of a signal (eg, a synchronization signal and/or a reference signal) corresponding to the first frequency, reference signal received power (RSRP), reference signal received quality (RSRQ), signal to signal to interference noise ratio), received signal strength indicator (RSSI), and/or signal-to-noise ratio (SNR) may mean measurement, but is not limited thereto.
- a signal eg, a synchronization signal and/or a reference signal
- RSRP reference signal received power
- RSRQ reference signal received quality
- RSSI received signal strength indicator
- SNR signal-to-noise ratio
- the electronic device 101 may refrain from measuring at least one second frequency that does not satisfy the condition in operation 409 .
- ARFCN #1 is included in SIB-24 from the first base station 501, and ARFCN #2 and ARFCN #3 may be managed as having a history of performing DC. have.
- the electronic device 101 may determine that ARFCN #1 satisfies the SA-related condition, and ARFCN #2 and ARFCN #3 do not satisfy the SA-related condition.
- the electronic device 101 may measure the synchronization signal 523 corresponding to ARFCN #1.
- the electronic device 101 may refrain from measuring the synchronization signals 525 and 527 corresponding to ARFCN #2 and ARFCN #3.
- the electronic device 101 performs an operation for signal measurement (eg, a switching operation for connection to an RX antenna and/or measurement of RSRP, RSRQ, SNR or SINR). may not perform.
- an operation for signal measurement eg, a switching operation for connection to an RX antenna and/or measurement of RSRP, RSRQ, SNR or SINR. may not perform.
- the electronic device 101 may perform a measurement report.
- the network may determine a handover to the second base station 503 based on the measurement report.
- the electronic device 101 may perform handover (eg, inter RAT handover) from the first base station 501 to the second base station 503 .
- handover eg, inter RAT handover
- the measurement for at least one second frequency eg, ARFCN #2 or ARFCN #3
- SCG for DC of the third base station 505 and the fourth base station 507 (second SCG) cell group) addition can be prevented and/or mitigated.
- DC may not be performed, thereby preventing and/or alleviating the occurrence of problems due to the use of DC in a DC limited state.
- the configuration in which the electronic device 101 refrains from measuring a specific frequency may be replaced with, for example, refraining from reporting a measurement even when a report condition after measurement is satisfied.
- 6A is a flowchart illustrating an operation method of an electronic device and an eNB according to various embodiments of the present disclosure
- the electronic device 101 performs operation 611 .
- the eNB 600 may transmit SIB 24 to the electronic device 101 so that the electronic device 101 may perform cell re-selection.
- SIB 24 is described as an IE (information element) of systeminformationblcoktype 24.
- SIB 24 may include information related to an NR neighbor cell and an inter-RAT cell for cell reselection, that is, information about NR frequencies.
- SIB 24 may include a common cell reselection parameter with respect to frequency.
- SIB 24 may include, for example, frequency information (eg, ARFCN) of NR supporting SA mode.
- the electronic device 101 may check cell information of the NR supporting the SA mode around the cell while camp-on in the cell associated with the eNB 600 .
- the electronic device 101 according to various embodiments may identify a frequency supporting the SA mode in the vicinity based on information included in SIB 24 .
- 6B is a flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure
- the electronic device 101 (eg, at least one of the processor 120 , the first communication processor 212 , the second communication processor 214 , or the unified communication processor 260 ) performs operation 621 .
- a network eg, eNB 600
- Table 1 is an example of SIB 24 received by the electronic device 101 .
- a frequency for a neighbor NR cell capable of cell reselection of a network eg, eNB 600
- a frequency of NR supporting SA mode of "627264" ARFCN
- the electronic device 101 may receive an RRC reconfiguration message including the MO from the network.
- RRC reconfiguration message including the MO from the network.
- Table 2 is an example of an RRC reconfiguration message received by the electronic device 101 .
- measObjectId 2 measObject: measObjectNR-r15 (5) measObjectNR-r15 carrierFreq-r15: 636654 measObjectId: 3 measObject: measObjectNR-r15 (5) measObjectNR-r15 carrierFreq-r15: 627264
- the RRC reconfiguration message according to the example of Table 2 may include ARFCNs of “636654” and “627264” as the frequency of the measurement target.
- the electronic device 101 may determine whether at least one frequency based on the second RAT identified based on the MO is included in the SIB 24 .
- the electronic device 101 performs at least one first frequency included in SIB 24 in operation 627 . 1 You can perform measurements on frequencies.
- the electronic device 101 performs at least one frequency not included in SIB 24 in operation 629 . It is possible to refrain from measuring the second frequency of .
- the electronic device 101 includes the ARFCN of “627264” in SIB 24, and the ARFCN of “636654” It can be confirmed that it is not included in SIB 24.
- the electronic device 101 may measure ARFCN of “627264” that is confirmed to be included in SIB 24 . If it is determined that the measurement result for the ARFCN of “627264” satisfies the reporting condition, the electronic device 101 may perform a measurement report (MR). According to the measurement report, the electronic device 101 may determine a handover to a cell corresponding to the ARFCN of “627264”, and the electronic device 101 may perform the handover.
- MR measurement report
- the electronic device 101 may refrain from measuring the ARFCN of "636654", which is confirmed not to be included in SIB 24.
- the electronic device 101 may not perform MR on the ARFCN of “636654” because measurement has not been performed. Accordingly, the SCG addition associated with the cell corresponding to the ARFCN of "636654” can be prevented, so that the DC can be limited.
- FIG. 7 is a flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure.
- the electronic device 101 (eg, at least one of the processor 120 , the first communication processor 212 , the second communication processor 214 , or the unified communication processor 260 ) performs operation 701 .
- an RRC reconfiguration message including the MO may be received.
- the electronic device 101 may determine whether at least one frequency based on the second RAT identified based on the MO satisfies a condition associated with the SA mode with reference to pre-stored information.
- Table 3 is an example of information previously stored in the electronic device 101 .
- the electronic device 101 may manage the information shown in Table 3 based on whether the existing SA of a specific frequency is used or whether the NSA of the specific frequency is used.
- the electronic device 101 may obtain the information shown in Table 3 based on the existing operation of the electronic device 101 and/or may receive it from a network or a business operator operation server. It will be understood by those skilled in the art that, in addition to the information in Table 3, corresponding to the AFRCN, a PLMN ID, a frequency band, and/or a cell ID may be further added. When additional information is further added, the electronic device 101 may compare the information identified based on the MO with the additional information to determine whether the SA mode is supported.
- Table 3 is a simple example, and the electronic device 101 may manage pre-stored information in other formats. For example, the electronic device 101 may store a frequency (eg, ARFCN) supporting the SA mode and/or may store a frequency (eg, ARFCN) supporting the NSA mode.
- the electronic device 101 may measure at least one first frequency that satisfies a condition in operation 705 . If it is determined that at least one frequency based on the second RAT identified based on the MO does not satisfy the condition associated with the SA mode with reference to the pre-stored information (703-No), the electronic device 101 in operation 707 Measurement of at least one second frequency that does not satisfy the condition may be avoided. For example, the electronic device 101 may determine whether the ARFCN included in the MO supports the SA mode using the information shown in Table 3 .
- the electronic device 101 supports the ARFCN of “627264” and the SA mode based on Table 3, and the ARFCN of “643334” is the SA mode. You can see that it does not support .
- the electronic device 101 may measure the ARFCN of “627264” and refrain from measuring the ARFCN of “643334”.
- the electronic device 101 when the electronic device 101 manages the list of ARFCNs supporting the SA mode, the electronic device 101 performs measurement on ARFCNs included in the list among ARFCNs confirmed by the MO, and lists Measurements for ARFCN not included in the list may be avoided. For example, when the electronic device 101 manages the list of ARFCNs supporting the NSA mode, the electronic device 101 measures ARFCNs not included in the list among ARFCNs checked by the MO, You may refrain from measuring ARFCN included in the list.
- 8A to 8C are flowcharts illustrating a method of operating an electronic device according to various embodiments of the present disclosure.
- At least one of the electronic device 101 may receive an RRC reconfiguration message including the MO.
- the electronic device 101 may perform MO-based measurement.
- the electronic device 101 may perform a measurement report based on the satisfaction of the measurement result measurement report condition. For example, when it is confirmed that the B1 event is satisfied, the electronic device 101 may perform a measurement report, but there is no limit to the reporting conditions.
- the electronic device 101 may receive an RRC reconfiguration message of the SCG additional configuration.
- the network may receive a measurement report from the electronic device 101 and determine to add the SCG to a cell corresponding to the measurement report based on the received measurement report.
- the network may transmit an RRC reconfiguration message including the SCG addition setting to the electronic device 101 .
- the electronic device 101 may perform a RACH procedure on a cell corresponding to SCG addition based on the received RRC reconfiguration message. Based on the RACH procedure, the electronic device 101 may perform DC.
- the electronic device 101 may store at least one frequency associated with the SCG additional setting in operation 809 .
- the electronic device 101 may add that the corresponding frequency does not support the SA mode to the information shown in Table 3 .
- the electronic device 101 may add the corresponding frequency to the list supporting the NSA mode.
- At least one of the electronic device 101 may receive the RRC reconfiguration message including the MO in operation 811 .
- the electronic device 101 may perform MO-based measurement.
- the electronic device 101 may perform a measurement report based on the satisfaction of a measurement result measurement report condition. For example, when it is confirmed that the B1 event is satisfied, the electronic device 101 may perform a measurement report, but there is no limit to the reporting conditions.
- the electronic device 101 may receive a handover command.
- the network may receive a measurement report from the electronic device 101 and determine handover to a cell corresponding to the measurement report based on the received measurement report. In this case, the network may transmit a handover command to the electronic device 101 .
- the electronic device 101 may perform a handover procedure based on the received handover command.
- the electronic device 101 may store at least one frequency associated with the handover command in operation 819 .
- the electronic device 101 may add that the corresponding frequency supports the SA mode to the information shown in Table 3 .
- the electronic device 101 may add the corresponding frequency to the list supporting the SA mode.
- At least one of the electronic device 101 may perform a cell selection operation in operation 821 .
- the electronic device 101 may perform a cell selection operation based on the second RAT.
- the electronic device 101 may store at least one frequency associated with the second RAT identified during the cell selection operation. For example, a frequency corresponding to a cell that can operate as a serving cell supports the SA mode and may be managed by the electronic device 101 .
- 8A to 8C are merely exemplary, and there is no limitation on the configuration for determining whether the SA mode and the NSA mode are supported.
- FIG. 9 is a flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure.
- the electronic device 101 performs operation 901 .
- an RRC reconfiguration message including the MO may be received.
- the electronic device 101 may identify at least one frequency based on the second RAT based on the MO.
- the electronic device 101 may identify SIB 1 based on the second RAT in at least one identified frequency.
- the electronic device 101 may check (eg, decode) SIB 1 at the frequency at the frequency identified based on the MO, while performing and/or after performing the measurement. , it may be configured to check SIB 1 without performing measurements, depending on the implementation.
- SIB 1 may or may not include an IE of a tracking area code (TAC).
- TAC tracking area code
- the electronic device 101 may determine whether a TAC corresponding to at least one frequency exists. For example, the RRC reconfiguration message shown in Table 2 may be received. As described in relation to Table 2, the RRC reconfiguration message may include ARFCNs of “636654” and “627264” as the frequency of the measurement target. The electronic device 101 may identify the first SIB 1 at the first frequency corresponding to the ARFCN of “636654” and the second SIB 1 at the second frequency corresponding to the ARFCN of “627264”. Table 4 is an example of SIB 1.
- the TAC of “75bd0a” is present in the first SIB 1 and that the TAC does not exist in the second SIB 1 .
- This may mean that the cell corresponding to the ARFCN of “636654” supports at least the SA mode, and the cell corresponding to the ARFCN of “627264” supports only EN-DC.
- the electronic device 101 may measure at least one first frequency at which the TAC exists in operation 909 . have.
- the electronic device 101 may refrain from measuring the at least one second frequency for which the TAC does not exist in operation 911.
- the electronic device 101 may perform measurement at a frequency corresponding to ARFCN of “636654” and refrain from measuring at a frequency corresponding to ARFCN of “627264” .
- FIG. 10 is a flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure
- the electronic device 101 (eg, at least one of the processor 120 , the first communication processor 212 , the second communication processor 214 , or the unified communication processor 260 ) performs operation 1001 .
- the electronic device 101 based on SIB 24 of the first RAT, based on pre-stored information, and/or based on SIB 1 of the second RAT, at least one first frequency with the SA It can be confirmed that the related conditions are satisfied.
- the electronic device 101 may confirm that the measurement result satisfies a reporting condition (eg, B1 event). Based on the satisfaction of the reporting condition, the electronic device 101 may perform a measurement report in operation 1005 .
- a reporting condition eg, B1 event
- the electronic device 101 may receive an SCG addition RRC reconfiguration message from the network. For example, even when a condition associated with SA is satisfied, the network may transmit an RRC reconfiguration message to the electronic device 101 to perform SCG addition instead of handover. In this case, the electronic device 101 may not perform SCG addition based on the DC limited state.
- the electronic device 101 may transmit an SCG failure information message to the network in operation 1009 .
- the electronic device 101 may transmit an SCG failure information message in which "synchReconfigFailureSCG" is set as the SCG failure cause, and there is no limit to the SCG failure cause.
- the electronic device 101 may manage a frequency corresponding to the SCG failure information message to the effect that SA is impossible, and may be set to refrain from measuring the frequency later.
- FIG. 11 is a flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure.
- the electronic device 101 (eg, at least one of the processor 120 , the first communication processor 212 , the second communication processor 214 , or the unified communication processor 260 ) performs operation 1101 .
- the electronic device 101 based on SIB 24 of the first RAT, based on pre-stored information, and/or based on SIB 1 of the second RAT, at least one first frequency with the SA It can be confirmed that the related conditions are satisfied.
- the electronic device 101 may confirm that the measurement result satisfies a reporting condition (eg, B1 event). Based on the satisfaction of the reporting condition, the electronic device 101 may perform a measurement report in operation 1105 .
- a reporting condition eg, B1 event
- the electronic device 101 may receive a handover command from the network in operation 1107 .
- the electronic device 101 may perform a handover procedure based on reception of the handover command.
- the electronic device 101 may confirm handover to (R)AN (eg, NG-RAN) corresponding to the second RAT based on the reception of the handover command.
- the electronic device 101 moves from the (R)AN (eg, E-UTRAN) corresponding to the first RAT (eg, E-UTRA) to the target (R)AN (eg, NG- RAN) can be synchronized.
- (R)AN eg, NG-RAN) corresponding to the second RAT is the (R)AN (eg, the electronic device 101) in the core network (eg, AMF) corresponding to the second RAT , NG-RAN) may be notified of the handover.
- the core network corresponding to the second RAT may notify the handover by transmitting a forward relocation complete notification message to the core network (eg, MME) corresponding to the first RAT.
- the electronic device 101 may perform a registration procedure from a system (eg, EPS) corresponding to the first RAT to a system (eg, 5GS) corresponding to the second RAT.
- the handover procedure may follow, for example, 3GPP TS 23.502 or 3GPP TS 24.502, but there is no limitation.
- the electronic device 101 After registering in the SA mode in the system of the second RAT, the electronic device 101 may perform communication based on the second RAT. Accordingly, in the DC restricted state, the electronic device 101 may perform inter-RAT handover while preventing and/or mitigating DC.
- 12 is a flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure. 12, it is assumed that the first RAT is E-UTRA and the second RAT is NR, but those skilled in the art will understand that it can be applied even when the first RAT is NR and the second RAT is E-UTRA. will understand
- the electronic device 101 (eg, at least one of the processor 120 , the first communication processor 212 , the second communication processor 214 , or the unified communication processor 260 ) performs operation 1201 .
- SIB 24 may include a neighbor cell frequency of NR supporting SA mode.
- the electronic device 101 may enter a DC limited mode.
- the electronic device 101 may receive an RRC reconfiguration message including the MO.
- the electronic device 101 may determine whether the NR frequency identified based on the MO is determined to be NSA possible based on the database DB.
- the database may store whether SA is possible and/or whether NSA is possible for each frequency. If it is determined that the NSA is possible based on the NR frequency identified based on the MO (operation 1207 - Yes), the electronic device 101 may limit the measurement in operation 1209 . Accordingly, in operation 1211 , the electronic device 101 may maintain a connection to an LTE cell (or registration for EPS (or EPC)).
- the electronic device 101 in operation 1213 , the NR frequency identified based on the MO is the SIB 24 It can be determined whether the frequency is included in the neighbor cell frequency included in .
- the NR frequency identified based on the MO is included in the neighbor cell frequency included in SIB 24, it may mean that the NR frequency identified based on the MO supports the SA mode.
- the electronic device 101 may perform measurement at the corresponding frequency in operation 1215 .
- the electronic device 101 may perform a measurement report based on the measurement result satisfying a reporting condition (eg, B1 event). If the NR frequency identified based on the MO is not included in the neighbor cell frequency included in SIB 24 (operation 1213 - NO), the electronic device 101 performs the SIB (eg, SIB) in the NR frequency in operation 1219 1) can be checked. In operation 1221 , the electronic device 101 may determine whether the cell corresponding to the NR frequency is a cell capable of supporting the SA mode based on the checked SIB (eg, SIB 1 ). For example, the electronic device 101 may determine whether the cell corresponding to the NR frequency is a cell capable of supporting the SA mode, based on whether the TAC is present in the checked SIB 1 .
- a reporting condition eg, B1 event
- the electronic device 101 may perform measurement at the NR frequency in operation 1215 .
- the electronic device 101 may maintain a connection to the LTE cell in operation 1233 .
- the electronic device 101 may determine whether a handover command is received from the network in operation 1223 .
- the network may provide a handover command to the electronic device 101, but in some cases, an SCG additional RRC reconfiguration message is transmitted to the electronic device ( 101) can also be provided.
- a handover command is received (operation 1223 - Yes)
- the electronic device 101 may perform a handover procedure in operation 1225 .
- the electronic device 101 may receive an SCG addition RRC reconfiguration message in operation 1227 .
- the electronic device 101 may transmit SCG failure information to the network without performing SCG addition based on being in the DC limited state. There is no limitation on the cause of SCG failure of SCG failure information.
- the electronic device 101 may store the corresponding NR frequency in the DB in operation 1231 .
- the electronic device 101 may store the corresponding NR frequency as a frequency at which NSA is possible and/or as a frequency at which SA is impossible.
- the electronic device 101 may maintain a connection to the LTE cell.
- 13 is a flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure; 13, it is assumed that the first RAT is E-UTRA and the second RAT is NR, but those skilled in the art will understand that it can be applied even when the first RAT is NR and the second RAT is E-UTRA.
- the electronic device 101 receives the SIB 24 based on the first RAT, but in the embodiment of FIG. 13 , the electronic device 101 may not receive the SIB 24 .
- the electronic device 101 (eg, at least one of the processor 120 , the first communication processor 212 , the second communication processor 214 , or the unified communication processor 260 ) performs operation 1301 .
- SIB 24 may not be received from the LTE cell.
- Operation 1301 is simply an operation to explain that the electronic device 101 does not receive the SIB 24 , and the electronic device 101 may be set not to perform a special operation in order not to receive the SIB 24 .
- the electronic device 101 may enter the DC limited mode.
- the electronic device 101 may receive an RRC reconfiguration message including the MO.
- the electronic device 101 may determine whether the NR frequency identified based on the MO is determined to be NSA possible based on the database DB.
- the database may store whether SA is possible and/or whether NSA is possible for each frequency. If it is determined that the NR frequency identified based on the MO is capable of NSA (operation 1307 - Yes), the electronic device 101 may limit the measurement in operation 1309 . Accordingly, in operation 1311 , the electronic device 101 may maintain a connection to an LTE cell (or registration for EPS (or EPC)).
- the electronic device 101 determines whether the cell corresponding to the NR frequency is a cell capable of supporting the SA mode, based on the checked SIB (eg, SIB 1 ). For example, the electronic device 101 may determine whether the cell corresponding to the NR frequency is a cell capable of supporting the SA mode, based on whether the TAC is present in the confirmed SIB 1 .
- SIB eg, SIB 1
- the electronic device 101 may perform measurement at the NR frequency in operation 1317 . If it is not determined that the cell corresponding to the NR frequency is a cell capable of supporting the SA mode (operation 1315 - NO), the electronic device 101 may maintain a connection to the LTE cell in operation 1331 .
- the electronic device 101 performs a measurement report in operation 1319 based on satisfaction of a reporting condition (eg, B1 event), and then determines whether a handover command is received from the network in operation 1321 . can be checked.
- a reporting condition eg, B1 event
- the network may provide a handover command to the electronic device 101, but in some cases, an SCG additional RRC reconfiguration message is transmitted to the electronic device ( 101) can also be provided.
- a handover command is received (operation 1321 - Yes)
- the electronic device 101 may perform a handover procedure in operation 1323 .
- the electronic device 101 may receive an SCG addition RRC reconfiguration message in operation 1325 .
- the electronic device 101 may transmit SCG failure information to the network without performing SCG addition based on being in the DC restricted state. There is no limit to the cause of SCG failure of SCG failure information.
- the electronic device 101 may store the corresponding NR frequency in the DB in operation 1329 .
- the electronic device 101 may store the corresponding NR frequency as an NSA-capable frequency and/or store it as a non-SA-enabled frequency.
- the electronic device 101 may maintain a connection to the LTE cell.
- FIG. 14 is a flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure
- the electronic device 101 (eg, at least one of the processor 120 , the first communication processor 212 , the second communication processor 214 , or the unified communication processor 260 ) performs operation 1401 . , based on the first RAT, may receive an RRC reconfiguration message including the MO. In operation 1403 , the electronic device 101 may determine that DC is in a limited state. In operation 1405 , the electronic device 101 may identify at least one frequency based on the second RAT based on the MO. In operation 1407 , the electronic device 101 may measure at least one identified frequency. For example, in the embodiment of FIG.
- the electronic device 101 measures a frequency that satisfies a condition related to the SA mode and refrains from measuring a frequency that does not satisfy the condition related to the SA mode.
- the electronic device 101 according to the embodiment of FIG. 14 may be configured to perform measurement on all frequencies identified based on MO.
- the electronic device 101 may perform a measurement report based on satisfying a reporting condition.
- the electronic device 101 may determine whether a handover command is received in response to the measurement report. When a handover command is received (operation 1411 - Yes), the electronic device 101 may perform a handover procedure in operation 1413 . If the handover command is not received (operation 1413 - NO), in operation 1415 , the electronic device 101 may receive, for example, an SCG addition RRC reconfiguration message. The electronic device 101 may transmit the SCG failure information message to the network in operation 1417 without performing the SCG addition procedure based on the DC restricted state. Accordingly, in the DC restricted state, the electronic device 101 may perform inter-RAT handover without performing SCG addition.
- the electronic device includes at least one processor supporting a first radio access technology (RAT) and a second RAT, wherein the at least one processor is configured to be Based on receiving a radio resource control (RRC) reconfiguration message including a measurement object (MO), and confirming that the DC (dual connectivity) of the first RAT and the second RAT is in a restricted state, check based on the MO
- RRC radio resource control
- MO measurement object
- SA stand alone
- the at least one processor may be configured to, based on a measurement result of at least a part of the at least one first frequency satisfy a reporting condition, determine the measurement result based on the first RAT. It may be further configured to report to the network.
- the at least one processor is, based on receiving a handover command from the network to the cell corresponding to the second RAT in response to the report, from the cell corresponding to the first RAT 2 It may be further configured to perform a handover procedure to a cell corresponding to RAT.
- the at least one processor is configured to receive, from the network, another RRC reconfiguration message of a second cell group (SCG) addition of a cell corresponding to the second RAT, in response to the report. , it may be further configured to transmit an SCG failure information message to the network based on the first RAT.
- SCG second cell group
- the at least one processor is further configured to receive a system information block (SIB) 24 from the network based on the first RAT, and the at least one processor includes the at least one Based on the first frequency being included in the SIB 24, it is determined that the at least one first frequency satisfies a condition associated with the SA mode, and/or the at least one second frequency is included in the SIB 24 It may be further configured to check that the at least one second frequency does not satisfy a condition associated with the SA mode based on not being satisfied.
- SIB system information block
- first information indicating whether the SA mode is supported for each of a plurality of frequencies second information indicating whether the NSA mode is supported for each of the plurality of frequencies, and supporting the SA mode Further comprising a memory for storing at least one of third information on frequency and fourth information on frequency supporting the NSA mode, wherein the at least one processor includes: the first information, the second information, the that the first frequency satisfies a condition associated with the SA mode, and/or that the second frequency does not satisfy a condition associated with the SA mode, based on at least one of the third information or the fourth information It may be further set to confirm.
- the at least one processor may include at least one frequency based on the second RAT identified based on the MO, at least one corresponding to each of the at least one frequency based on the second RAT. is further configured to check SIB 1 of the at least one processor, wherein the at least one first frequency including a tracking area code (TAC) among the at least one SIB 1 satisfies a condition associated with the SA mode or , and/or the at least one second frequency that does not include a TAC among the at least one SIB 1 may be further configured to confirm that a condition associated with the SA mode is not satisfied.
- TAC tracking area code
- the at least one processor determines that the DC is in the limited state when the remaining amount of the battery of the electronic device is less than or equal to a threshold remaining amount and/or when the temperature of the electronic device is equal to or greater than the threshold temperature It may be further set to
- the at least one processor may be further configured to confirm that the DC is in a restricted state when a current data rate and/or an expected data rate of the electronic device are less than or equal to a threshold data rate.
- the electronic device supports a plurality of subscriber identification modules (SIMs) in a dual sim dual standby (DSDS) mode
- the at least one processor includes a plurality of SIMs supported by the electronic device.
- SIMs subscriber identification modules
- DSDS dual sim dual standby
- the at least one processor includes a plurality of SIMs supported by the electronic device.
- the first SIM associated with transmission/reception of a heavy voice packet it may be further configured to confirm that the DC is in a restricted state.
- a method of operating an electronic device supporting a first radio access technology (RAT) and a second RAT includes a radio resource (RRC) including a measurement object (MO) from a network based on the first RAT. control) At least one frequency based on the second RAT that is confirmed based on the MO, based on an operation of receiving a reconfiguration message, and confirming that the DC (dual connectivity) of the first RAT and the second RAT is in a restricted state performing measurement on at least one first frequency that satisfies a condition associated with a stand alone (SA) mode, and measuring at least one second frequency that does not satisfy the condition among the at least one frequency It may include refraining from actions.
- RRC radio resource
- MO measurement object
- SA stand alone
- the measurement result for at least a part of the at least one first frequency satisfies a reporting condition, and the measurement result is based on the first RAT. It may further include an operation of reporting to the network.
- the method of operating the electronic device includes receiving a handover command from the network to the cell corresponding to the second RAT in response to the report from the cell corresponding to the first RAT.
- the method may further include performing a handover procedure to a cell corresponding to the second RAT.
- the method of operating the electronic device is based on receiving another RRC reconfiguration message of a second cell group (SCG) addition of a cell corresponding to the second RAT from the network in response to the report.
- the method may further include transmitting an SCG failure information message to the network based on the first RAT.
- the method of operating the electronic device further includes receiving a system information block (SIB) 24 from the network based on the first RAT, and the method of operating the electronic device includes: Based on the at least one first frequency being included in the SIB 24, it is determined that the at least one first frequency satisfies a condition associated with the SA mode, and/or the at least one second frequency is the The method may further include determining that the at least one second frequency does not satisfy a condition associated with the SA mode based on the fact that it is not included in the SIB 24 .
- SIB system information block
- a method of operating an electronic device includes first information indicating whether the SA mode is supported for each of a plurality of frequencies, and second information indicating whether the NSA mode is supported for each of the plurality of frequencies. , based on at least one of third information on a frequency supporting the SA mode, or fourth information on a frequency supporting the NSA mode, the first frequency satisfies the condition associated with the SA mode, and The method may further include confirming that the second frequency does not satisfy a condition associated with the SA mode.
- the method of operating the electronic device at least one frequency based on the second RAT identified based on the MO, at least one corresponding to each of the at least one frequency based on the second RAT
- the method further includes checking one SIB 1 , wherein the method of operating the electronic device includes: the at least one first frequency including a tracking area code (TAC) among the at least one SIB 1 is associated with the SA mode
- TAC tracking area code
- the method may further include confirming that the condition associated with the SA mode is satisfied and/or the at least one second frequency that does not include a TAC among the at least one SIB 1 does not satisfy the condition associated with the SA mode.
- the method of operating the electronic device determines that the DC is in a limited state when the remaining amount of a battery of the electronic device is less than or equal to a threshold remaining amount and/or when the temperature of the electronic device is equal to or greater than a threshold temperature. It may further include an operation of confirming.
- the method of operating the electronic device may further include determining that the DC is in a restricted state when a current data rate and/or an expected data rate of the electronic device are less than or equal to a threshold data rate.
- the electronic device includes at least one processor supporting a first radio access technology (RAT) and a second RAT, wherein the at least one processor is configured to be Based on receiving a radio resource control (RRC) reconfiguration message including a measurement object (MO), and confirming that the DC (dual connectivity) of the first RAT and the second RAT is in a restricted state, check based on the MO Performs a measurement on at least one frequency based on the second RAT, and transmits the measurement result to the first RAT based on whether the measurement result for at least a part of the at least one frequency satisfies a reporting condition report to the network based on, and based on receiving a handover command from the network to the cell corresponding to the second RAT in response to the report, from the cell corresponding to the first RAT to the second RAT Perform a handover procedure to a cell, and based on receiving another RRC reconfiguration message of a second cell group (SCG) addition of a cell corresponding to the second RAT from the network
- RRC radio
- the electronic device may have various types of devices.
- the electronic device may include, for example, a portable communication device (eg, a smart phone), a computer device, a portable multimedia device, a portable medical device, a camera, a wearable device, or a home appliance device.
- a portable communication device eg, a smart phone
- a computer device e.g., a smart phone
- a portable multimedia device e.g., a portable medical device
- a camera e.g., a portable medical device
- a camera e.g., a portable medical device
- a camera e.g., a portable medical device
- a wearable device e.g., a smart bracelet
- a home appliance device e.g., a home appliance
- first, second, or first or second may be used simply to distinguish the element from other elements in question, and may refer to elements in other aspects (e.g., importance or order) is not limited. It is said that one (eg, first) component is “coupled” or “connected” to another (eg, second) component, with or without the terms “functionally” or “communicatively”. When referenced, it means that one component can be connected to the other component directly (eg by wire), wirelessly, or through a third component.
- module used in various embodiments of this document may include a unit implemented in hardware, software, or firmware or a combination thereof, for example, a term such as logic, logic block, component, or circuit. can be used interchangeably with A module may be an integrally formed part or a minimum unit or a part of the part that performs one or more functions.
- the module may be implemented in the form of an application-specific integrated circuit (ASIC).
- ASIC application-specific integrated circuit
- one or more instructions stored in a storage medium may be implemented as software (eg, the program 140) including
- a processor eg, processor 120
- a device eg, electronic device 101
- the one or more instructions may include code generated by a compiler or code executable by an interpreter.
- the device-readable storage medium may be provided in the form of a non-transitory storage medium.
- the 'non-transitory' storage medium is a tangible device and may not include a signal (eg, electromagnetic wave), but this term refers to the case where data is semi-permanently stored in the storage medium and temporarily It does not distinguish between storage cases.
- a signal eg, electromagnetic wave
- the method according to various embodiments disclosed in this document may be provided as included in a computer program product.
- Computer program products may be traded between sellers and buyers as commodities.
- the computer program product is distributed in the form of a machine-readable storage medium (eg compact disc read only memory (CD-ROM)), or through an application store (eg Play StoreTM) or on two user devices ( It can be distributed (eg downloaded or uploaded) directly between smartphones (eg: smartphones) and online.
- a part of the computer program product may be temporarily stored or temporarily created in a machine-readable storage medium such as a memory of a server of a manufacturer, a server of an application store, or a relay server.
- each component (eg, module or program) of the above-described components may include a singular or a plurality of entities, and some of the plurality of entities may be separately disposed in other components. have.
- one or more components or operations among the above-described corresponding components may be omitted, or one or more other components or operations may be added.
- a plurality of components eg, a module or a program
- the integrated component may perform one or more functions of each component of the plurality of components identically or similarly to those performed by the corresponding component among the plurality of components prior to the integration. .
- operations performed by a module, program, or other component are executed sequentially, in parallel, repeatedly, or heuristically, or one or more of the operations are executed in a different order, or omitted. or one or more other operations may be added.
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Abstract
Description
| SystemInformationBlockType24 carrierFreqListNR-r15: 1 item Item 0 CarrierFreqNR-r15 carrierFreq-r15: 627264 |
| measObjectId: 2 measObject: measObjectNR-r15 (5) measObjectNR-r15 carrierFreq-r15: 636654 measObjectId: 3 measObject: measObjectNR-r15 (5) measObjectNR-r15 carrierFreq-r15: 627264 |
| AFRCN | SA 지원 여부 |
| 627264 | Yes |
| 629952 | Yes |
| 643334 | No |
| 제 1 SIB 1 | 제 2 SIB 1 |
| systemInformationBlockType1PLMN-IdentityInfo plmn-IdentityList: 1 item PLMN-Identity mcc: 3 items MCC-MNC-Digit: 4 MCC-MNC-Digit: 6 MCC-MNC-Digit: 0 mnc: 2 items MCC-MNC-Digit: 1 MCC-MNC-Digit: 1 trackingAreaCode: 75bd0a cellIdentity: 7588f50800 |
systemInformationBlockType1 PLMN-IdentityInfo plmn-IdentityList: 1 item PLMN-Identity mcc: 3 items MCC-MNC-Digit: 4 MCC-MNC-Digit: 6 MCC-MNC-Digit: 0 mnc: 2 items MCC-MNC-Digit: 1 MCC-MNC-Digit: 1 trackingAreaCode: - cellIdentity: 7619f50800 |
Claims (15)
- 전자 장치에 있어서,제 1 RAT(radio access technology) 및 제 2 RAT를 지원하는 적어도 하나의 프로세서를 포함하고, 상기 적어도 하나의 프로세서는:상기 제 1 RAT에 기반하여, 네트워크로부터 MO(measurement object)를 포함하는 RRC(radio resource control) reconfiguration 메시지를 수신하고,상기 제 1 RAT 및 상기 제 2 RAT의 DC(dual connectivity)가 제한된 상태임을 확인함에 기반하여:상기 MO에 기반하여 확인되는 상기 제 2 RAT에 기반한 적어도 하나의 주파수 중 SA(stand alone) 모드와 연관된 조건을 만족하는 적어도 하나의 제 1 주파수에 대한 측정을 수행하고,상기 적어도 하나의 주파수 중 상기 조건을 만족하지 않는 적어도 하나의 제 2 주파수에 대한 측정을 삼가하도록 설정된 전자 장치.
- 제 1 항에 있어서,상기 적어도 하나의 프로세서는,상기 적어도 하나의 제 1 주파수 중 적어도 일부의 주파수에 대한 측정 결과가 보고 조건을 만족함에 기반하여, 상기 측정 결과를 상기 제 1 RAT에 기반하여 상기 네트워크로 보고하도록 더 설정된 전자 장치.
- 제 2 항에 있어서,상기 적어도 하나의 프로세서는,상기 보고에 응답하여 상기 네트워크로부터 상기 제 2 RAT에 대응하는 셀로의 핸드오버 명령이 수신됨에 기반하여, 상기 제 1 RAT에 대응하는 셀로부터 상기 제 2 RAT에 대응하는 셀로의 핸드오버 절차를 수행하도록 더 설정된 전자 장치.
- 제 2 항에 있어서,상기 적어도 하나의 프로세서는,상기 보고에 응답하여 상기 네트워크로부터 상기 제 2 RAT에 대응하는 셀의 SCG(second cell group) 추가(addition)의 다른 RRC reconfiguration 메시지가 수신됨에 기반하여, SCG failure information 메시지를 상기 제 1 RAT에 기반하여 상기 네트워크로 송신하도록 더 설정된 전자 장치.
- 제 1 항에 있어서,상기 적어도 하나의 프로세서는,상기 제 1 RAT에 기반하여, 상기 네트워크로부터, SIB(system information block) 24를 수신하도록 더 설정되고,상기 적어도 하나의 프로세서는,상기 적어도 하나의 제 1 주파수가 상기 SIB 24에 포함됨에 기반하여, 상기 적어도 하나의 제 1 주파수가 상기 SA 모드와 연관된 조건을 만족하는 것으로 확인하고, 및/또는상기 적어도 하나의 제 2 주파수가 상기 SIB 24에 포함되지 않음에 기반하여, 상기 적어도 하나의 제 2 주파수가 상기 SA 모드와 연관된 조건을 만족하지 않는 것으로 확인하도록 더 설정된 전자 장치.
- 제 1 항에 있어서,복수 개의 주파수들 각각에 대한 상기 SA 모드의 지원 여부를 나타내는 제 1 정보, 상기 복수 개의 주파수들 각각에 대한 NSA 모드의 지원 여부를 나타내는 제 2 정보, 상기 SA 모드를 지원하는 주파수에 대한 제 3 정보, 또는 상기 NSA 모드를 지원하는 주파수에 대한 제 4 정보 중 적어도 하나를 저장하는 메모리를 더 포함하고,상기 적어도 하나의 프로세서는, 상기 제 1 정보, 상기 제 2 정보, 상기 제 3 정보, 또는 상기 제 4 정보 중 적어도 하나에 기반하여, 상기 제 1 주파수가 상기 SA 모드와 연관된 조건을 만족하거나, 및/또는 상기 제 2 주파수가 상기 SA 모드와 연관된 조건을 만족하지 않음을 확인하도록 더 설정된 전자 장치.
- 제 1 항에 있어서,상기 적어도 하나의 프로세서는, 상기 MO에 기반하여 확인되는 상기 제 2 RAT에 기반한 적어도 하나의 주파수에서, 상기 제 2 RAT에 기반하여 상기 적어도 하나의 주파수 각각에 대응하는 적어도 하나의 SIB 1을 확인하도록 더 설정되고,상기 적어도 하나의 프로세서는, 상기 적어도 하나의 SIB 1 중 TAC(tracking area code)를 포함하는 상기 적어도 하나의 제 1 주파수가 상기 SA 모드와 연관된 조건을 만족하거나, 및/또는 상기 적어도 하나의 SIB 1중 TAC를 포함하지 않는 상기 적어도 하나의 제 2 주파수가 상기 SA 모드와 연관된 조건을 만족하지 않는 것으로 확인하도록 더 설정된 전자 장치.
- 제 1 항에 있어서,상기 적어도 하나의 프로세서는,상기 전자 장치의 배터리의 잔량이 임계 잔량 이하인 경우이거나, 및/또는 상기 전자 장치의 온도가 임계 온도 이상인 경우에, 상기 DC가 제한된 상태인 것으로 확인하도록 더 설정된 전자 장치.
- 제 1 항에 있어서,상기 적어도 하나의 프로세서는,상기 전자 장치의 현재 데이터 레이트 및/또는 예상되는 데이터 레이트가 임계 데이터 레이트 이하인 경우에, 상기 DC가 제한된 상태인 것으로 확인하도록 더 설정된 전자 장치.
- 제 1 항에 있어서,상기 전자 장치는, 복수 개의 SIM들(subscriber identification modules)을 DSDS(dual sim dual standby) 모드로 지원하도록 설정되고,상기 적어도 하나의 프로세서는,상기 전자 장치가 지원하는 복수 개의 SIM들 중 음성 패킷의 송수신과 연관된 제 1 SIM이 이용되는 경우에, 상기 DC가 제한된 상태인 것으로 확인하도록 더 설정된 전자 장치.
- 제 1 RAT 및 제 2 RAT를 지원하는 전자 장치의 동작 방법에 있어서,상기 제 1 RAT(radio access technology)에 기반하여, 네트워크로부터 MO(measurement object)를 포함하는 RRC(radio resource control) reconfiguration 메시지를 수신하는 동작;상기 제 1 RAT 및 상기 제 2 RAT의 DC(dual connectivity)가 제한된 상태임을 확인함에 기반하여:상기 MO에 기반하여 확인되는 상기 제 2 RAT에 기반한 적어도 하나의 주파수 중 SA(stand alone) 모드와 연관된 조건을 만족하는 적어도 하나의 제 1 주파수에 대한 측정을 수행하는 동작, 및상기 적어도 하나의 주파수 중 상기 조건을 만족하지 않는 적어도 하나의 제 2 주파수에 대한 측정을 삼가하는 동작을 포함하는 전자 장치의 동작 방법.
- 제 11 항에 있어서,상기 적어도 하나의 제 1 주파수 중 적어도 일부의 주파수에 대한 측정 결과가 보고 조건을 만족함에 기반하여, 상기 측정 결과를 상기 제 1 RAT에 기반하여 상기 네트워크로 보고하는 동작을 더 포함하는 전자 장치의 동작 방법.
- 제 12 항에 있어서,상기 보고에 응답하여 상기 네트워크로부터 상기 제 2 RAT에 대응하는 셀로의 핸드오버 명령이 수신됨에 기반하여, 상기 제 1 RAT에 대응하는 셀로부터 상기 제 2 RAT에 대응하는 셀로의 핸드오버 절차를 수행하는 동작을 더 포함하는 전자 장치의 동작 방법.
- 제 12 항에 있어서,상기 보고에 응답하여 상기 네트워크로부터 상기 제 2 RAT에 대응하는 셀의 SCG(second cell group) 추가(addition)의 다른 RRC reconfiguration 메시지가 수신됨에 기반하여, SCG failure information 메시지를 상기 제 1 RAT에 기반하여 상기 네트워크로 송신하는 동작을 더 포함하는 전자 장치의 동작 방법.
- 제 11 항에 있어서,상기 제 1 RAT에 기반하여, 상기 네트워크로부터, SIB(system information block) 24를 수신하는 동작을 더 포함하고,상기 동작 방법은,상기 적어도 하나의 제 1 주파수가 상기 SIB 24에 포함됨에 기반하여, 상기 적어도 하나의 제 1 주파수가 상기 SA 모드와 연관된 조건을 만족하는 것으로 확인하고, 및/또는상기 적어도 하나의 제 2 주파수가 상기 SIB 24에 포함되지 않음에 기반하여, 상기 적어도 하나의 제 2 주파수가 상기 SA 모드와 연관된 조건을 만족하지 않는 것으로 확인하는 동작을 더 포함하는 전자 장치의 동작 방법.
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