WO2021201470A1 - Dispositif électronique pour commander une connectivité double et son procédé de fonctionnement - Google Patents

Dispositif électronique pour commander une connectivité double et son procédé de fonctionnement Download PDF

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Publication number
WO2021201470A1
WO2021201470A1 PCT/KR2021/003332 KR2021003332W WO2021201470A1 WO 2021201470 A1 WO2021201470 A1 WO 2021201470A1 KR 2021003332 W KR2021003332 W KR 2021003332W WO 2021201470 A1 WO2021201470 A1 WO 2021201470A1
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WIPO (PCT)
Prior art keywords
communication
electronic device
cellular communication
disconnection
communication circuit
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PCT/KR2021/003332
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English (en)
Korean (ko)
Inventor
배장군
김두영
박수영
황선민
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삼성전자 주식회사
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Publication of WO2021201470A1 publication Critical patent/WO2021201470A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections
    • H04W76/16—Involving different core network technologies, e.g. a packet-switched [PS] bearer in combination with a circuit-switched [CS] bearer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/19—Connection re-establishment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/30—Connection release
    • H04W76/34—Selective release of ongoing connections
    • 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

Definitions

  • Various embodiments of the present invention relate to an apparatus and method for controlling dual connectivity (DC) in an electronic device.
  • DC dual connectivity
  • the 5G communication system or the pre-5G communication system is called a 4G network after (Beyond 4G Network) communication system or an LTE system after (Post LTE) communication system.
  • 5G communication systems In order to achieve high data rates, 5G communication systems must be in 6 gigabytes (6 GHz) or less bands (for example, 1.8 gigabytes (1.8 GHz) bands or 3.5 gigabytes (3.5 GHz) bands) or very high frequency (mmWave) bands (e.g.
  • the electronic device needs a method for efficiently operating the first cellular communication with the master node and the second cellular communication with the auxiliary node.
  • Various embodiments of the present invention disclose an apparatus and method for operating a first cellular communication and a second cellular communication in an electronic device supporting dual connectivity.
  • an electronic device includes a first communication circuit for performing first cellular communication with a first node, a second communication circuit for performing second cellular communication with a second node, the first communication circuit, and the first communication circuit at least one processor operatively coupled to second communication circuitry, the processor being configured to couple with the first cellular communication and the second cellular communication via the first communication circuitry and the second communication circuitry;
  • the second cellular communication including the operation state information of the electronic device when checking the operation state of the electronic device, and when the operation state of the electronic device satisfies a specified first condition related to disconnection of the second cellular communication control the first communication circuit to transmit a request signal related to disconnection of
  • the second communication circuit may be controlled to release the connection of the second cellular communication based on a response signal to .
  • the operation of connecting to the first cellular communication and the second cellular communication, the operation of confirming the operation state of the electronic device, and the operation state of the electronic device include the second cellular communication When a specified first condition related to disconnection of disconnecting the second cellular communication based on an operation and a response signal to the request signal; and limiting transmission of the quality measurement result of the second cellular communication.
  • an electronic device includes a first communication circuit for performing first cellular communication with a first node, a second communication circuit for performing second cellular communication with a second node, the first communication circuit, and the first communication circuit at least one processor operatively coupled to second communication circuitry, the processor being configured to couple with the first cellular communication and the second cellular communication via the first communication circuitry and the second communication circuitry;
  • the second cellular communication request signal is transmitted including the operation state information of the electronic device.
  • the first communication circuit transmits a request signal related to disconnection of the second cellular communication to the first node, and based on a response signal to the request signal, the second cellular communication control the second communication circuit to release the connection, and limit transmission of a quality measurement result of the second cellular communication.
  • operation state information eg, temperature of the electronic device, battery When disconnecting the second cellular communication based on the state, whether the display device is active, VoLTE operation or data rate
  • operation state information eg, temperature of the electronic device, battery When disconnecting the second cellular communication based on the state, whether the display device is active, VoLTE operation or data rate
  • at least one node or an operator providing a communication service may determine a cause of the disconnection of the second cellular communication.
  • FIG. 1 is a block diagram of an electronic device according to various embodiments of the present disclosure.
  • FIG. 2 is a block diagram of an electronic device for supporting legacy network communication and 5G network communication, according to various embodiments of the present disclosure
  • 3 is a diagram illustrating a protocol stack structure of the network 100 of legacy communication and/or 5G communication according to various embodiments.
  • 4A, 4B, and 4C are diagrams illustrating wireless communication systems that provide networks of legacy communication and/or 5G communication according to various embodiments.
  • FIG. 6 is a block diagram of a base station according to various embodiments.
  • FIG. 7 is a flowchart for limiting reconnection of a second cellular communication in an electronic device according to various embodiments of the present disclosure
  • FIG. 8 is a flowchart for disconnecting a second cellular communication connection in an electronic device according to various embodiments of the present disclosure
  • 9A is a flowchart for selectively transmitting a quality measurement result of a second cellular communication in an electronic device according to various embodiments of the present disclosure
  • FIG. 10 is a flowchart for releasing a connection between an electronic device and a second cellular communication in a base station according to various embodiments of the present disclosure
  • FIG. 12 is a flowchart for limiting reconnection of an electronic device and a second cellular communication in a base station according to various embodiments of the present disclosure
  • the electronic device 101 includes a processor 120 , a memory 130 , an input device 150 , a sound output device 155 , a display device 160 , an audio module 170 , and a sensor module ( 176 , interface 177 , haptic module 179 , camera module 180 , power management module 188 , battery 189 , communication module 190 , subscriber identification module 196 , or antenna module 197 . ) may be included. In some embodiments, at least one of these components (eg, the display device 160 or the camera module 180 ) may be omitted or one or more other components may be added to the electronic device 101 . In some embodiments, some of these components may be implemented as one integrated circuit. For example, the sensor module 176 (eg, a fingerprint sensor, an iris sensor, or an illuminance sensor) may be implemented while being embedded in the display device 160 (eg, a display).
  • the sensor module 176 eg, a fingerprint sensor, an iris sensor, or an illuminance sensor
  • the processor 120 includes a main processor 121 (eg, a central processing unit or an application processor), and a secondary processor 123 (eg, a graphic processing unit, an image signal processor) that can operate independently or together with the main processor 121 . , a sensor hub processor, or a communication processor). Additionally or alternatively, the auxiliary processor 123 may be configured to use less power than the main processor 121 or to be specialized for a designated function. The auxiliary processor 123 may be implemented separately from or as a part of the main processor 121 .
  • a main processor 121 eg, a central processing unit or an application processor
  • a secondary processor 123 eg, a graphic processing unit, an image signal processor
  • the auxiliary processor 123 may be configured to use less power than the main processor 121 or to be specialized for a designated function.
  • the auxiliary processor 123 may be implemented separately from or as a part of the main processor 121 .
  • 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 device 150 may receive a command or data to be used by a component (eg, the processor 120 ) of the electronic device 101 from the outside (eg, a user) of the electronic device 101 .
  • the input device 150 may include, for example, a microphone, a mouse, a keyboard, or a digital pen (eg, a stylus pen).
  • the sound output device 155 may output a sound signal to the outside of the electronic device 101 .
  • the sound output device 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, and the receiver can be used to receive incoming calls. According to one embodiment, the receiver may be implemented separately from or as part of the speaker.
  • the display device 160 may visually provide information to the outside (eg, a user) of the electronic device 101 .
  • the display device 160 may include, for example, a display, a hologram device, or a projector and a control circuit for controlling the corresponding device.
  • the display device 160 may include a touch circuitry configured to sense a touch or a sensor circuit (eg, a pressure sensor) configured to measure the intensity of a force generated by the touch. have.
  • 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 device 150 , or an external electronic device (eg, a sound output device 155 ) connected directly or wirelessly with the electronic device 101 . The sound may be output through the electronic device 102 (eg, a speaker or a headphone).
  • an external electronic device eg, a sound output device 155
  • the sound may be output through the electronic device 102 (eg, a speaker or a headphone).
  • the sensor module 176 detects an operating state (eg, power or temperature) of the electronic device 101 or an external environmental state (eg, 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 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 specified 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.
  • 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 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 .
  • the battery 189 may include, for example, a non-rechargeable primary cell, a rechargeable secondary cell, or a fuel cell.
  • the communication module 190 is a direct (eg, wired) communication channel or a wireless communication channel between the electronic device 101 and an external electronic device (eg, the electronic device 102, the electronic device 104, or the server 108). It can support establishment and communication 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 local area network (LAN) communication module, or a power line communication module).
  • the corresponding communication module is the first network 198 (eg, a short-range communication network such as Bluetooth, Wi-Fi direct or IrDA (infrared data association)) or the second network 199 (eg, cellular communication, Internet).
  • a computer network eg, a telecommunication network such as a LAN or WAN
  • 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 and authenticated.
  • 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 one 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 one or more antennas. In this case, at least one antenna suitable for a communication scheme used in a communication network such as the first network 198 or the second network 199 is connected from the one or more 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, RFIC
  • other than the radiator may be additionally formed as a part of the antenna module 197 .
  • 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 and 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 of the 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.
  • the 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, or client-server computing technology may be used.
  • 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
  • Various embodiments of the present document include one or more stored in a storage medium (eg, the internal memory 136 or the external memory 138) readable by a machine (eg, the electronic device 101). It may be implemented as software (eg, program 140) including instructions.
  • the processor eg, the processor 120
  • the device may call at least one of one or more instructions stored from a storage medium and execute it. This makes it possible for the device to be operated to perform at least one function according to the at least one command called.
  • 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 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 Store TM ) or on two user devices ( It can be distributed (eg downloaded or uploaded) directly, online between smartphones (eg: smartphones).
  • 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, a module or a program of the above-described components may include a singular or a plurality of entities.
  • 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.
  • the electronic device 101 includes a first communication processor 212 , a second communication processor 214 , a first radio frequency integrated circuit (RFIC) 222 , and a second RFIC 224 , third RFIC 226 , fourth RFIC 228 , first radio frequency front end (RFFE) 232 , second RFFE 234 , first antenna module 242 , second antenna module 244 , and an antenna 248 .
  • the electronic device 101 may further include a processor 120 and a memory 130 .
  • the network 199 may include a first network 292 and a second network 294 .
  • the electronic device 101 may further include at least one component among the components illustrated in FIG.
  • the first communication processor 212 may support establishment of a communication channel of a band to be used for wireless communication with the first network 292 and legacy network communication through the established communication channel.
  • the first 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 network 294 , and 5G network communication through the established communication channel can support
  • the second network 294 may be a 5G network (eg, new radio (NR)) defined by 3GPP.
  • NR new radio
  • the first communication processor 212 or the second communication processor 214 is configured to correspond to another designated band (eg, about 6 GHz or less) among bands to be used for wireless communication with the second network 294 . It is possible to support establishment of a communication channel, and 5G network communication through the established communication channel.
  • the first communication processor 212 and the second communication processor 214 may be implemented in a single chip or a single package.
  • 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 . .
  • the first communication processor 212 may transmit/receive data to and from the second communication processor 214 .
  • data classified to be transmitted through the second network 294 may be changed to be transmitted through the first network 292 .
  • the first communication processor 212 may receive transmission data from the second communication processor 214 .
  • the first communication processor 212 may transmit and receive data through the interface between the second communication processor 214 and the processor.
  • the interprocessor interface may be implemented as a universal asynchronous receiver/transmitter (UART) (eg, high speed-UART (HS-UART)) or a peripheral component interconnect bus express (PCIe) interface, but there is no limitation on the type.
  • 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 a shared memory.
  • the first communication processor 212 may transmit/receive various information such as sensing information, information on output strength, and resource block (RB) allocation information to and from the second communication processor 214 .
  • RB resource block
  • the first communication processor 212 may not be directly coupled 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.
  • 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 coprocessor 123 , or the communication module 190 . have.
  • the first RFIC 222 when transmitting, transmits a baseband signal generated by the first communication processor 212 to about 700 MHz to about 3 GHz used in the first network 292 (eg, a legacy network). can be converted to a radio frequency (RF) signal of Upon reception, an RF signal is obtained from a first network 292 (eg, a legacy network) via an antenna (eg, a first antenna module 242 ), and via an RFFE (eg, a first RFFE 232 ). It can be preprocessed. The first RFIC 222 may convert the preprocessed RF signal into a baseband signal to be processed by the first communication processor 212 .
  • RF radio frequency
  • the second RFIC 224 when transmitting, transmits the baseband signal generated by the first communication processor 212 or the second communication processor 214 to the second 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 network 294 (eg, 5G network) via an antenna (eg, second antenna module 244 ), and RFFE (eg, second RFFE 234 ) can be pre-processed.
  • 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 RF of the 5G Above6 band (eg, about 6 GHz to about 60 GHz) to be used in the second network 294 (eg, 5G network). It can be converted into a signal (hereinafter referred to as 5G Above6 RF signal).
  • a 5G Above6 RF signal may be obtained from the second 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 .
  • a 5G Above6 RF signal may be received from the second network 294 (eg, 5G network) via an antenna (eg, antenna 248 ) and converted into 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 a single chip or at least a part of a single package.
  • 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) that is 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 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 a 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 the 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 network 294 may be operated independently (eg, stand-alone (SA)) or connected to the first network 292 (eg, legacy network) (eg: non-stand alone (NSA)).
  • the 5G network may have only an access network (eg, 5G radio access network (RAN) or next generation RAN (NG RAN)) and no core network (eg, 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
  • 3 is a diagram illustrating a protocol stack structure of the network 100 of legacy communication and/or 5G communication according to various embodiments.
  • the electronic device 101 communicates with the server 108 using an Internet protocol 312 (eg, transmission control protocol (TCP), user datagram protocol (UDP), and internet protocol (IP)).
  • an Internet protocol 312 eg, transmission control protocol (TCP), user datagram protocol (UDP), and internet protocol (IP)
  • TCP transmission control protocol
  • UDP user datagram protocol
  • IP internet protocol
  • Associated Internet communication may be performed.
  • the Internet protocol 312 may be executed in a main processor (eg, the main processor 121 of FIG. 1 ) included in the electronic device 101 .
  • the electronic device 101 may wirelessly communicate with the legacy network 392 using the first communication protocol stack 314 .
  • the electronic device 101 may wirelessly communicate with the 5G network 394 using the second communication protocol stack 316 .
  • the first communication protocol stack 314 and the second communication protocol stack 316 may be executed in one or more communication processors (eg, the wireless communication module 192 of FIG. 1 ) included in the electronic device 101 . have.
  • server 108 may include Internet protocol 322 .
  • the server 108 may transmit/receive data related to the Internet protocol 322 with the electronic device 101 through the legacy network 392 and/or the 5G network 394 .
  • server 108 may include a cloud computing server residing outside legacy network 392 or 5G network 394 .
  • the server 108 may include an edge computing server (or mobile edge computing (MEC) server) located inside at least one of the legacy network or the 5G network 394 .
  • MEC mobile edge computing
  • the legacy network 392 may include a long term evolution (LTE) base station 340 and an evolved packed co (EPC) 342 .
  • the LTE base station 340 may include an LTE communication protocol stack 344 .
  • the EPC 342 may include a legacy non-access stratum (NAS) protocol 346 .
  • the legacy network 392 may perform LTE wireless communication with the electronic device 101 using the LTE communication protocol stack 344 and the legacy NAS protocol 346 .
  • the 5G network 394 may include a new radio (NR) base station 350 and a 5th generation core (5GC 352 ).
  • the NR base station 350 may include an NR communication protocol stack 354 .
  • 5GC 352 may include 5G NAS protocol 356 .
  • the 5G network 394 may perform NR wireless communication with the electronic device 101 using the NR communication protocol stack 354 and the 5G NAS protocol 356 .
  • the first communication protocol stack 314 , the second communication protocol stack 316 , the LTE communication protocol stack 344 and the NR communication protocol stack 354 include a control plane protocol for sending and receiving control messages and It may include a user plane protocol for transmitting and receiving user data.
  • the control message may include a message related to at least one of security control, bearer establishment, authentication, registration, or mobility management.
  • the user data may include data other than the control message.
  • the RLC layer may concatenate, segment, or reassemble data and perform order check, rearrangement, or redundancy check of data.
  • the PDCP layer may perform operations related to ciphering of control data and user data and data integrity.
  • the second communication protocol stack 316 and the NR communication protocol stack 354 may further include a service data adaptation protocol (SDAP).
  • SDAP may manage radio bearer assignment based on quality of service (QoS) of user data.
  • QoS quality of service
  • the control plane protocol may include a radio resource control (RRC) layer and a non-access stratum (NAS) layer.
  • RRC radio resource control
  • NAS non-access stratum
  • the RRC layer may process control data related to radio bearer establishment, paging, or mobility management.
  • the NAS may process control messages related to authentication, registration, and mobility management.
  • the network environments 100A to 100C may include at least one of a legacy network and a 5G network.
  • the legacy network includes an electronic device 101 and a 3GPP standard 4G or LTE base station 440 (eg, eNB (eNodeB)) supporting wireless access and an evolved packet core (EPC) that manages 4G communication.
  • the 5G network includes a new radio (NR) base station 450 (eg, gNB (gNodeB)) that supports wireless connection with the electronic device 101 and 5GC that manages 5G communication of the electronic device 101 . 452 (5th generation core).
  • NR new radio
  • the electronic device 101 may transmit/receive a control message and user data through legacy communication and/or 5G communication.
  • the control message is 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 user data excluding a control message transmitted/received between the electronic device 101 and the core network 430 (eg, the EPC 442 ).
  • the network environment 100A provides wireless communication dual connectivity (multi-RAT (radio access technology) dual connectivity, MR-DC) to the LTE base station 440 and the NR base station 450, It may include a network environment in which a control message is transmitted and received with the electronic device 101 through one of the core network 430 of the EPC 442 or the 5GC 452 .
  • multi-RAT radio access technology
  • the MN 410 may be configured as the LTE base station 440
  • the SN 420 may be configured as the NR base station 450
  • the core network 430 may be configured as the EPC 442 .
  • a control message may be transmitted and received through the LTE base station 440 and the EPC 442
  • user data may be transmitted/received through the LTE base station 440 and the NR base station 450 .
  • the legacy network and the 5G network may independently provide data transmission/reception.
  • the electronic device 101 and the EPC 442 may transmit and receive a control message and user data through the LTE base station 440 .
  • the electronic device 101 and the 5GC 452 may transmit and receive a control message and user data through the NR base station 450 .
  • the electronic device 101 may be registered with at least one of the EPC 442 and the 5GC 452 to transmit/receive a control message.
  • FIGS. 5A and 5B are block diagrams of an electronic device supporting dual connection according to various embodiments of the present disclosure
  • the first communication circuit 510 and the second communication circuit 520 may be implemented in a single chip or a single package.
  • the processor 500 , the first communication circuit 510 , and the second communication circuit 520 may be implemented in a single chip or a single package.
  • the first communication circuit 510 may perform first cellular communication with a first node (eg, the master node 410 of FIG. 4A ).
  • the first communication circuit 510 may transmit and/or receive a control message and data with a first node (eg, the MN 410 ) by performing first cellular communication.
  • the first cellular communication may include any one of various cellular communication methods that the electronic device 101 can support.
  • the first cellular communication is any one of 4G mobile communication schemes (eg, long-term evolution (LTE), LTE-advanced (LTE-A), LTE-A pro (LTE advanced pro)) or 5 It may include at least one of any one of the generation mobile communication methods (eg, 5G or NR) (eg, using a frequency band of about 6 GHz or less).
  • the first node eg, the MN 410
  • the first communication circuit 510 is a communication processor (eg, the first communication processor 212 of FIG. 2 ) associated with the first cellular communication, an RFIC (eg, the first RFIC 222 of FIG. 2 ) ) and/or an RFFE (eg, the first RFFE 232 of FIG. 2 ).
  • the second communication circuit 520 may perform second cellular communication with a second node (eg, the secondary node 420 of FIG. 4A ).
  • the second communication circuit 520 may transmit and/or receive data with a second node (eg, the SN 420 ) while performing the second cellular communication.
  • the second cellular communication may include any one of various cellular communication methods that the electronic device 101 can support.
  • the second cellular communication is any one of the 5G mobile communication methods (eg, 5G) (eg, using a frequency band of about 6 GHz or higher) or the 4th generation mobile communication scheme (eg, LTE, LTE-A, LTE- A pro) may include any one of the methods.
  • the second node may refer to a base station supporting the second cellular communication.
  • the second communication circuit 520 is a communication processor associated with the second cellular communication (eg, the second communication processor 214 of FIG. 2 ), an RFIC (eg, the third RFIC 226 of FIG. 2 ) ) and/or an RFFE (eg, the third RFFE 236 of FIG. 2 ).
  • the dual connectivity of the electronic device is an EN-DC (E-UTRA-NR dual connectivity) environment of the first cellular communication of the 4th generation mobile communication method and the second cellular communication of the 5th generation mobile communication method, 5 NE-DC (NR - E-UTRA dual connectivity) environment of the first cellular communication of the generation mobile communication method and the second cellular communication of the 4th generation mobile communication method, the first method of the 5th generation mobile communication method (eg, about 6 GHz or less ) ) and a second cellular communication scheme supporting a second scheme (eg, about 6 GHz or higher) of a 5G mobile communication scheme NR-DC (NR-NR dual connectivity) environment or 4G mobile communication It may include a DC environment of the first cellular communication supporting the first scheme of the scheme and the second cellular communication scheme supporting the second scheme of the fourth generation mobile communication scheme.
  • EN-DC E-UTRA-NR dual connectivity
  • the electronic device 101 may use both the first cellular communication and the second cellular communication.
  • the electronic device 101 may transmit and/or receive data for connection of the second cellular communication with the first node (eg, the MN 410 ) using the first cellular communication.
  • data for connection of the second cellular communication may include a radio resource control message.
  • the processor 500 may transmit or receive data with an external electronic device (not shown) using the first communication circuit 510 and/or the second communication circuit 520 .
  • the processor 500 controls the first communication circuitry 510 and/or the second communication circuitry 520 to transmit and/or receive data using the first cellular communication and/or the second cellular communication. can do.
  • the processor 500 may obtain information related to the operating state of the electronic device 101 .
  • the information related to the operating state of the electronic device 101 includes the temperature of the electronic device 101, the state of the battery (eg, the battery 189 of FIG. 1 ) (eg, the remaining battery level), and the display device (
  • the display device 160 of FIG. 1 may include at least one of a state (eg, whether it is active), a voice of LTE (VoLTE) state (eg, whether it operates), or a data throughput.
  • the temperature of the electronic device 101 may be determined by the individual of at least one or more modules (eg, the processor 500 , the first communication circuit 510 , or the second communication circuit 520 ) included in the electronic device 101 . temperature or a combined temperature.
  • the electronic device 101 includes at least one sensor module (not shown) (eg, the sensor module ( 176)) may be further included.
  • the sensor module may be disposed inside the electronic device 101 as a separate module.
  • the sensor module may be included in at least one module of the electronic device 101 or may be attached to at least one module of the electronic device 101 .
  • the processor 500 when the temperature of the electronic device 101 is greater than or equal to a specified temperature (eg, about 70° C., about 77° C., or about 85° C.), the processor 500 satisfies a specified condition related to disconnection of the second cellular communication It can be judged that For example, when the remaining battery amount is less than a specified battery amount (eg, about 15%), the processor 500 may determine that a specified condition related to disconnection of the second cellular communication is satisfied. For example, when the processor 500 performs LTE fallback, it may be determined that a specified condition related to disconnection of the second cellular communication is satisfied.
  • a specified temperature eg, about 70° C., about 77° C., or about 85° C.
  • the electronic device 101 performs first cellular communication ( For example, it may include a series of operations to switch the connection to LTE communication).
  • LTE fallback may occur when a display device (eg, the display device 160 of FIG. 1 ) is deactivated and/or when a data rate is less than or equal to a specified data rate.
  • the processor 500 determines that a specified condition related to disconnection of the second cellular communication is satisfied in at least a partial section (eg, a call section using VoLTE) in which voice of LTE (VoLTE) is performed.
  • the processor 500 may determine that a specified condition related to disconnection of the second cellular communication is satisfied.
  • the data transfer rate may include a data transfer rate being used by the electronic device 101 or a data transfer rate required by an application program executed in the electronic device 101 .
  • the specified conditions may be variously set without being limited to the above example.
  • the specified conditions may be prioritized.
  • the second communication circuit 520 eg, the second communication processor 214 of FIG. 2
  • the second communication circuit 520 may operate differently for each specified condition while the second cellular communication is connected. For example, when the second communication circuit 520 (eg, the second communication processor 214 of FIG. 2 ) satisfies a specified condition having a relatively high priority, an operation corresponding to the specified condition having a relatively high priority can be performed.
  • the processor 500 determines that the operation state of the electronic device 101 satisfies a specified condition related to the disconnection of the second cellular communication, and the signal associated with the disconnection of the second cellular communication may be transmitted to the first communication circuit 510 and/or the second communication circuit 520 .
  • the signal associated with disconnection of the second cellular communication may include operation state information of the electronic device 101 that satisfies a specified condition related to disconnection of the second cellular communication.
  • the signal associated with disconnection of the second cellular communication may include a signal instructing disconnection of the second cellular communication.
  • the first communication circuit 510 may receive a signal associated with disconnection of the second cellular communication from the processor 500 .
  • the signal associated with the disconnection of the second cellular communication indicates that the operation state of the electronic device 101 satisfies a specified condition related to the disconnection of the second cellular communication or the disconnection of the second cellular communication may include one or more bits of data indicating
  • the signal related to disconnection of the second cellular communication may include information related to the type of the operating state of the electronic device 101 that satisfies a specified condition.
  • the signal related to disconnection of the second cellular communication may include data related to the temperature of the electronic device 101 when the temperature of the electronic device 101 satisfies a specified condition.
  • the first communication circuit 510 may transmit a signal requesting disconnection of the second cellular communication to the first node (eg, the MN 410 ) through the first cellular communication.
  • the signal for requesting disconnection of the second cellular communication may include information indicating that the connection disconnection of the second cellular communication is requested based on the operation state information of the electronic device 101 .
  • the signal for requesting disconnection of the second cellular communication may include a type of an operating state of the electronic device 101 that satisfies a specified condition related to disconnection of the second cellular communication.
  • the first communication circuit 510 disconnects the second cellular communication as a response signal to a signal requesting disconnection of the second cellular communication from the first node (eg, the MN 410 ).
  • the second communication circuit 520 may be controlled to release the connection of the second cellular communication.
  • the first communication circuit 510 transmits information related to a disconnection signal (eg, a response signal) of the second cellular communication or a disconnection signal of the second cellular communication to the second communication circuit 520 .
  • the second communication circuit 520 may disconnect the second cellular communication based on information related to a disconnection signal (eg, a response signal) of the second cellular communication or a disconnection signal of the second cellular communication.
  • the first communication circuit 510 transmits a signal requesting disconnection of the second cellular communication to the first node (eg, the MN 410 ), and then transmits the information thereto to the second communication circuit may be transmitted to 520 .
  • the second communication circuit 520 may release the connection of the second cellular communication based on the transmission of a signal requesting the disconnection of the second cellular communication of the first communication circuit 510 .
  • the first communication circuit 510 is used to measure communication quality with a second node (eg, SN 420 ) supporting the second cellular communication from a first node (eg, MN 410 ).
  • a second node eg, SN 420
  • reporting of communication quality with the second node (eg, the SN 420 ) based on the setting for measurement of communication quality may be restricted.
  • the first communication circuit 510 may limit the transmission of the measurement result of the communication quality with the second node (eg, the SN 420 ).
  • the first communication circuit 510 transmits information related to the setting for measuring the communication quality or the setting for measuring the communication quality to measure the communication quality with the second node (eg, the SN 420 ) for the second communication.
  • the second communication circuit 520 may measure the communication quality with the second node (eg, the SN 420 ).
  • the measurement result of the communication quality with the second node (eg, the SN 420 ) may be stored in the memory 530 .
  • the electronic device 101 ) of the second cellular communication may be restricted.
  • the first communication circuit 510 is used to measure communication quality with a second node (eg, SN 420 ) supporting the second cellular communication from a first node (eg, MN 410 ).
  • the measurement of communication quality with the second node may be restricted.
  • the first communication circuit 510 may control the second communication circuit 520 not to measure the communication quality with the second node (eg, the SN 420 ).
  • the first communication circuit 510 may not transmit information related to the setting for measuring the communication quality or the information related to the setting for measuring the communication quality to the second communication circuit 520 .
  • the second communication circuit 520 may not measure the communication quality with the second node (eg, the SN 420 ).
  • the second communication circuit 520 may switch the second cellular communication to an inactive state based on the disconnection of the second cellular communication. For example, the second communication circuit 520 may be switched to a sleep state as the second cellular communication is switched to an inactive state. For example, the second communication circuit 520 may be switched to a power off state as the second cellular communication is switched to an inactive state. For example, the second communication circuit 520 may stop at least one of transmitting, receiving, or processing a signal related to the second cellular communication when the second cellular communication is switched to the inactive state. can
  • the processor 500 may control to attempt reconnection of the second cellular communication based on information related to the operating state of the electronic device 101 .
  • the processor 500 determines that the operation state of the electronic device 101 is related to the reconnection of the second cellular communication. You can check whether the specified condition is satisfied. For example, when the temperature of the electronic device 101 is lower than the specified temperature, the processor 500 may determine that a specified condition related to reconnection of the second cellular communication is satisfied.
  • the processor 500 may determine that a specified condition related to reconnection of the second cellular communication is satisfied when the remaining battery level is equal to or greater than a specified battery level or connected to an external power source (eg, in a charging state). For example, when the display device (eg, the display device 160 of FIG. 1 ) is activated (on), the processor 500 may determine that a specified condition related to reconnection of the second cellular communication is satisfied. For example, when the VoLTE operation is terminated (eg, a call is released), the processor 500 may determine that a specified condition related to reconnection of the second cellular communication is satisfied. For example, when the data rate exceeds the specified rate, the processor 500 may determine that a specified condition related to reconnection of the second cellular communication is satisfied.
  • the first communication circuit 510 reports the communication quality with a second node (eg, SN 420 ) that has stopped to limit reconnection with the second node (eg, SN 420 ). can resume.
  • the first communication circuit 510 may control the second communication circuit 520 to measure communication quality with a second node (eg, the SN 420 ).
  • the first communication circuit 510 may transmit the measurement result of the communication quality with the second node (eg, the SN 420 ) stored in the memory 530 to the first node (eg, the MN 410 ). have.
  • the first communication circuit 510 is used to measure communication quality with a second node (eg, SN 420 ) supporting the second cellular communication from a first node (eg, MN 410 ).
  • the second communication circuit 520 may be controlled to measure the communication quality with the second node (eg, the SN 420 ).
  • the first communication circuit 510 may transmit the communication quality with the second node (eg, the SN 420 ) provided from the second communication circuit 520 to the first node (eg, the MN 410 ).
  • the first communication circuit 510 when receiving a signal requesting connection of the second cellular communication from the first node (eg, the MN 410 ), connects (or reconnection) to control the second communication circuit 520 .
  • the second communication circuit 520 may perform second cellular communication with a second node (eg, the SN 420 ) based on the control of the first communication circuit 510 .
  • the first communication circuit 510 and/or the second communication circuit 520 may control the connection of the second cellular communication based on information related to the operating state of the electronic device 101 . .
  • the first communication circuit 510 and/or the second communication circuit 520 determines that the operation state of the electronic device 101 satisfies a specified condition related to disconnection of the second cellular communication. Based on this, the first communication circuit 510 may be controlled to transmit a signal requesting disconnection of the second cellular communication to the first node (eg, the MN 410 ).
  • the first communication circuit 510 performs the second cellular communication through the first cellular communication based on determining that the operation state of the electronic device 101 satisfies a specified condition related to disconnection of the second cellular communication.
  • a signal for requesting disconnection of communication may be transmitted to the first node (eg, the MN 410 ).
  • the second communication circuit 520 determines that the operation state of the electronic device 101 satisfies a specified condition related to the disconnection of the second cellular communication.
  • a signal may be transmitted to the first communication circuit 510 .
  • the first communication circuit 510 may transmit a signal requesting disconnection of the second cellular communication to the first node (eg, the MN 410 ) through the first cellular communication.
  • the first communication circuit 510 and/or the second communication circuit 520 controls to attempt reconnection of the second cellular communication based on information related to the operating state of the electronic device 101 . can do.
  • the first communication circuit 510 determines that the operation state of the electronic device 101 satisfies a specified condition related to reconnection of the second cellular communication
  • the second node eg, SN ( 420)
  • the first node eg, MN 410
  • the second communication circuit 520 determines that the operation state of the electronic device 101 satisfies a specified condition related to the reconnection of the second cellular communication.
  • a signal may be transmitted to the first communication circuit 510 .
  • the first communication circuit 510 and the second communication circuit 520 of FIG. 5A may be integrated into a single chip, the third communication circuit 540 .
  • the third communication circuit 540 is substantially the same as or similar to that of the first communication circuit 510 with a first processing part 542 and a second communication circuit 520 . It may include a second processing portion 544 that performs the same or similar function.
  • the third communication circuit 540 performs first cellular communication with a first node (eg, the master node 410 of FIG. 4A ) using the first processing portion 542 , and the second processing portion A second cellular communication may be performed with a second node (eg, the secondary node 420 of FIG.
  • the processor 500 and the third communication circuit 540 may be implemented in a single chip or a single package.
  • the first processing part 542 and the second processing part 544 may be configured as software for processing signals and protocols of different frequency bands.
  • the first processing portion 542 and the second processing portion 544 may be configured with different circuits or different hardware.
  • the first processing part 542 and the second processing part 544 may be logically (eg, software) divided parts.
  • the first processing portion 542 of FIG. 5B operates the same as the first communication circuit 510 of FIG. 5A
  • the second processing portion 544 is the same as the second communication circuit 520 of FIG. 5A can work well. Accordingly, detailed descriptions of the first processing portion 542 and the second portion 544 are omitted in order to avoid overlapping description with FIG. 5A .
  • a base station 600 may include a processor 610 , a wireless communication circuit 620 , and/or a memory 630 .
  • the processor 610 may be operatively connected to the wireless communication circuit 620 .
  • the processor 610 may interact with the wireless communication circuit 620 through an AP2CP interface.
  • the AP2CP interface may include at least one of a shared memory scheme or PCIe.
  • the wireless communication circuit 620 may perform first cellular communication with the electronic device 101 .
  • the wireless communication circuit 620 may transmit and/or receive a control message and data with the electronic device 101 by performing first cellular communication.
  • the first cellular communication is any one of 4G mobile communication schemes (eg, long-term evolution (LTE), LTE-advanced (LTE-A), LTE-A pro (LTE Advanced pro)) or It may include at least one of any one of 5G mobile communication methods (eg, 5G or NR) (eg, using a frequency band of about 6 GHz or less).
  • the wireless communication circuit 620 may include an RFIC (eg, the first RFIC 222 of FIG. 2 ) and/or an RFFE (eg, the first RFFE 232 of FIG. 2 ).
  • the processor 610 when the processor 610 receives a signal requesting disconnection of the second cellular communication through the wireless communication circuit 620 , the processor 610 releases the connection of the second cellular communication of the electronic device 101 . can decide what to do. According to an embodiment, the processor 610 may identify the cause of the request for disconnection of the second cellular communication of the electronic device 101 through information included in the signal for requesting disconnection of the second cellular communication. For example, when the processor 610 determines that the cause of the request for disconnection of the second cellular communication from the electronic device 101 is related to the state of the second cellular communication (eg, deterioration of communication quality), the electronic device 101 It may be determined that the request for disconnection of the second cellular communication is approved.
  • the state of the second cellular communication eg, deterioration of communication quality
  • the processor 610 determines that the cause of the request for disconnection of the second cellular communication from the electronic device 101 is due to the operating state (eg, temperature rise) of the electronic device 101 , the electronic device 101 ) may be determined to approve the request for disconnection of the second cellular communication.
  • the wireless communication circuit 620 The connection release signal may be transmitted to the electronic device 101 as a response signal to the request signal for disconnection of the second cellular communication through .
  • the processor 610 determines whether to release the connection between the electronic device 101 and the second cellular communication based on whether data to be transmitted to the electronic device 101 through the second cellular communication exists. can judge For example, if there is data to be transmitted to the electronic device 101 through the second cellular communication, the processor 610 determines that the electronic device 101 rejects the request for disconnecting the second cellular communication. can do. In this case, the processor 610 may transmit a rejection signal to the electronic device 101 in response to the request signal for disconnection of the second cellular communication through the wireless communication circuit 620 . For example, when there is no data to be transmitted to the electronic device 101 through the second cellular communication, the processor 610 approves the request of the electronic device 101 to disconnect the second cellular communication. can judge In this case, the processor 610 may transmit a connection disconnection signal to the electronic device 101 in response to a connection disconnection request signal of the second cellular communication through the wireless communication circuit 620 .
  • the processor 610 when the processor 610 releases the connection between the electronic device 101 and the second cellular communication based on the operation state information of the electronic device 101 , the electronic device 101 and the second cellular It may delay the reconnection of communication. For example, the processor 610 transmits a disconnection signal to the electronic device 101 through the wireless communication circuit 620 and then transmits the second node ( For example, it is possible to restrict the transmission of settings for the measurement of communication quality with the SN 420 .
  • the processor 610 controls the wireless communication circuit 620 to transmit a setting for measurement of communication quality with a second node (eg, the SN 420 ) to the electronic device 101 when the specified first time has elapsed. can do.
  • the processor 610 when the connection between the electronic device 101 and the second cellular communication is released, the processor 610 performs communication quality with a second node (eg, the SN 420 ) supporting the second cellular communication.
  • the wireless communication circuit 620 may be controlled to transmit the setting for the measurement of , to the electronic device 101 .
  • the processor 610 transmits the setting for measurement of communication quality with the second node (eg, the SN 420 ) to the electronic device 101 and then transmits the electronic device until a specified second time elapses. It may be confirmed whether the measurement result of the communication quality with the second node (eg, the SN 420 ) is received from the device 101 .
  • the processor 610 may transmit to the electronic device 101 a message indicating that the setting for measurement of the communication quality with the second node (eg, the SN 420 ) is canceled. For example, if the processor 610 does not receive the measurement result of the communication quality with the second node (eg, the SN 420 ) until the specified second time elapses, the processor 610 transmits the first message transmitted to the electronic device 101 . The setting for measurement of the communication quality with the second node (eg, the SN 420 ) may be canceled and a message indicating that the measurement has been canceled may be transmitted to the electronic device 101 .
  • the processor 610 may transmit to the electronic device 101 a message indicating that the setting for measurement of the communication quality with the second node (eg, the SN 420 ) is canceled.
  • the processor 610 does not receive the measurement result of the communication quality with the second node (eg, the SN 420 ) until the specified second time elapses, the second transmitted to the electronic device 101 .
  • a setting for measurement of communication quality with a node eg, SN 420 ) may be maintained.
  • the memory 630 may store various data used by at least one component (eg, the processor 610 or the wireless communication circuit 620 ) of the base station 600 .
  • the electronic device (eg, the electronic device 101 of FIGS. 1 , 5A or 5B ) includes a first communication circuit (eg, the electronic device 101 of FIG. 1 ) performing first cellular communication with a first node.
  • a second communication circuit (eg, FIG. 1 ) for performing second cellular communication with the wireless communication module 192, the first communication circuit 510 of FIG. 5A or the third communication circuit 540 of FIG. 5B) and the second node at least one operatively connected to the wireless communication module 192 of the second communication circuit 520 of FIG. 5A or the third communication circuit 540 of FIG. 5B) and the first communication circuit and the second communication circuit.
  • a processor eg, the processor 120 of FIG. 1 , the processor 500 of FIG.
  • the processor is configured to perform the first cellular communication through the first communication circuit and the second communication circuit. and connecting to the second cellular communication, checking an operation state of the electronic device, and when the operation state of the electronic device satisfies a specified first condition related to disconnection of the second cellular communication, control the first communication circuit to transmit a request signal related to disconnection of the second cellular communication including operational state information, wherein the first communication circuit is configured to receive a request signal related to disconnection of the second cellular communication
  • the second communication circuit may be transmitted to the first node and control the second communication circuit to disconnect the second cellular communication based on a response signal to the request signal.
  • the operating state of the electronic device may include a temperature of at least one module included in the electronic device, a battery state, an active state of a display of the electronic device, whether a voice of LTE (VoLTE) operation is performed, or It may include at least one of data rates.
  • VoLTE voice of LTE
  • the processor may check at least one of a temperature of at least one module included in the electronic device and a state of the battery through the sensor module.
  • the second communication circuit may be switched to a sleep state or a power off state based on disconnection of the second cellular communication.
  • the processor checks an operation state of the electronic device, and determines that the operation state of the electronic device is a designated operation state related to reconnection of the second cellular communication.
  • the first communication circuit is controlled to perform reconnection with the second cellular communication, wherein the first communication circuit is configured such that the operation state of the electronic device is the reconnection of the second cellular communication. If the specified second condition related to If satisfied, the quality measurement result of the second cellular communication may be transmitted to the first node.
  • the specified second condition may include sensing a temperature of the electronic device below a specified temperature, an amount of a battery above a specified voltage, an active mode of a display, termination of a voice of LTE (VoLTE) operation, or a specified transmission rate or higher. It may include at least one of data rate sensing.
  • the request signal related to disconnection of the second cellular communication may include information indicating that the cause of disconnection of the second cellular communication is the operating state of the electronic device.
  • the request signal related to the disconnection of the second cellular communication may include at least one type of an operating state of the electronic device corresponding to a cause of the disconnection of the second cellular communication.
  • the first cellular communication may include at least one of a long term evolution (LTE) network or a new radio (NR) network
  • the second cellular communication may include an NR network or an LTE network.
  • LTE long term evolution
  • NR new radio
  • the electronic device (eg, the electronic device 101 of FIGS. 1 , 5A or 5B ) includes a first communication circuit (eg, the electronic device 101 of FIG. 1 ) performing first cellular communication with a first node.
  • a second communication circuit (eg, FIG. 1 ) for performing second cellular communication with the wireless communication module 192, the first communication circuit 510 of FIG. 5A or the third communication circuit 540 of FIG. 5B) and the second node at least one operatively connected to the wireless communication module 192 of the second communication circuit 520 of FIG. 5A or the third communication circuit 540 of FIG. 5B) and the first communication circuit and the second communication circuit.
  • a processor eg, the processor 120 of FIG. 1 , the processor 500 of FIG.
  • the processor is configured to perform the first cellular communication through the first communication circuit and the second communication circuit. and operation state information of the electronic device when connected to the second cellular communication and the data transfer rate of the electronic device satisfies a specified condition related to disconnection of the second cellular communication. control the first communication circuit to transmit a request signal related to disconnection, wherein the first communication circuit transmits a request signal related to disconnection of the second cellular communication to the first node;
  • the second communication circuit may be controlled to release the connection of the second cellular communication based on the response signal, and transmission of a quality measurement result of the second cellular communication may be restricted.
  • the second communication circuit may be switched to a sleep state or a power off state based on disconnection of the second cellular communication.
  • the first cellular communication may include at least one of a long term evolution (LTE) network or a new radio (NR) network
  • the second cellular communication may include an NR network or an LTE network.
  • LTE long term evolution
  • NR new radio
  • each operation may be sequentially performed, but is not necessarily performed sequentially.
  • the order of each operation may be changed, and at least two operations may be performed in parallel.
  • the electronic device may be the electronic device 101 of FIGS. 1, 5A, or 5B .
  • an electronic device eg, the wireless communication module 192 of FIG. 1 , the first communication circuit 510 of FIG. 5A , the second communication circuit 520 , or the second communication circuit 520 of FIG. 5B
  • the third communication circuit 540 may connect the first cellular communication and the second cellular communication for dual connection (DC) in operation 701 .
  • the first communication circuitry 510 (or the first processing portion 542 of FIG. 5B ) is configured with a first node supporting a first cellular communication (eg, the master node 410 of FIG. 4A ) and A radio resource control (RRC) connection may be performed.
  • RRC radio resource control
  • the RRC connection reconfiguration message may include a setting for measuring the quality of the second cellular communication.
  • the first communication circuit 510 transmits information related to a setting (eg, B1 event) for quality measurement of the second cellular communication provided from the first node (eg, MN 410 ) to the second may be transmitted to the communication circuit 520 .
  • the second communication circuit 520 (or the second processing portion 544 of FIG.
  • the first node eg, the MN 410
  • transmits information about the connection of the second cellular communication using the RRC connection reconfiguration eg, an RRC reconfiguration message or an RRCConnectionReconfiguration message
  • the second communication circuitry 520 is a connection of a second cellular communication provided from the first communication circuitry 510 (or the first processing portion 542 of FIG. 5B ).
  • the processor 500 may control the second cellular communication when LTE fallback occurs. It can be determined that a specified condition related to disconnection is satisfied.
  • LTE fallback may occur when a display device (eg, the display device 160 of FIG. 1 ) is deactivated (off) and/or when a data rate is less than or equal to a specified data rate.
  • the processor 500 (or the first communication circuit 510 , the second communication circuit 520 , or the third communication circuit 540 ) generates a voice of LTE (VoLTE) operation (eg, an outgoing signal). ), it may be determined that a specified condition related to disconnection of the second cellular communication is satisfied.
  • the processor 500 (or the first communication circuitry 510 , the second communication circuitry 520 , or the third communication circuitry 540 ) may limit the use of the second cellular communication at a relatively low data rate. When the data rate is less than or equal to the specified rate in the state in which the function is set, it may be determined that a specified condition related to disconnection of the second cellular communication is satisfied.
  • the electronic device eg, the processor 120 or 500 , the first communication circuit 510 , the second communication circuit 520 , or the third communication circuit 540
  • the electronic device 101 If the operation state does not satisfy a specified condition related to disconnection of the second cellular communication (eg, 'No' in operation 705), in operation 703, the electronic device 101 performs the first cellular communication and the second cellular communication. In the double-connected state, the operation state of the electronic device 101 may be checked.
  • the processor 500 or the first communication circuit 510 , the second communication circuit 520 , or the third communication circuit 540 ) continuously or periodically operates the electronic device 101 . can be checked.
  • the second cellular including the operation state information of the electronic device 101 is satisfied, the second cellular including the operation state information of the electronic device 101 .
  • a request signal related to disconnection of communication may be transmitted to the first node (eg, the MN 410 ).
  • the processor 500 (or the first communication circuit 510 , the second communication circuit 520 , or the third communication circuit 540 ) issues a request signal related to disconnection of the second cellular communication.
  • the second communication circuit 520 may be controlled so that the second communication circuit 520 is switched to an inactive state while transmitting to the first node (eg, the MN 410 ).
  • the first communication circuit 510 (or the first processing portion 542 of FIG.
  • first communication circuitry 510 (or first processing portion 542 of FIG. 5B ) may transmit a disconnection signal or a signal associated with the disconnection signal to second communication circuitry 520 (or second processing portion 542 of FIG. 5B ). processing portion 544).
  • first communication circuitry 510 (or first processing portion 542 of FIG. 5B ) may transmit a disconnection signal or a signal associated with the disconnection signal to second communication circuitry 520 (or second processing portion 542 of FIG. 5B ). processing portion 544).
  • 5B is the processor 500 (or the first communication circuitry 510 , the second communication circuitry 520 or the second communication circuitry 520 ). 3 It may be switched to an inactive state (eg, an idle state or a power off state) based on the control of the communication circuit 540 .
  • an inactive state eg, an idle state or a power off state
  • the first communication circuit 510 (or the first processing part 542 of FIG. 5B ) may limit transmission of the quality measurement result of the second cellular communication provided from the second communication circuit 520 .
  • an electronic device eg, the wireless communication module 192 of FIG. 1 , the first communication circuit 510 of FIG. 5A , or the third communication circuit 540 of FIG. 5B
  • the operation state of the electronic device 101 satisfies a specified condition related to disconnection of the second cellular communication (eg, 'Yes' in operation 705 of FIG. 7 )
  • the operation of the electronic device 101 A request signal (eg, SCGFailureInformation message) related to disconnection of the second cellular communication including status information may be transmitted to the first node (eg, the MN 410 ).
  • the request signal may include information (eg, cause: triggerbyue) indicating that the cause related to the disconnection of the second cellular communication is the operating state of the electronic device 101 .
  • a cause related to disconnection of the second cellular communication may be included in the request signal as data in a Boolean format.
  • the request signal includes a value of 1 when the cause related to the disconnection of the second cellular communication is the operating state of the electronic device 101 , and a value of 0 when not in the operating state of the electronic device 101 . may include, but is not limited to.
  • the cause related to the disconnection of the second cellular communication may be data in a format (eg, cause: triggerbyue) indicating one of several causes to be included in the request signal.
  • the cause related to disconnection of the second cellular communication may be included in a FailureReportSCG information element included in the SCGFailureInformation message.
  • FailureReportSCG SEQUENCE ⁇ failureType ENUMERATED ⁇ t310-Expiry, randomAccessProblem, rlc-MaxNumRetx, synchReconfigFailureSCG, scg-ReconfigFailure, srb3-IntegrityFailure, spare2, spare1, triggerbyue ⁇
  • the request signal may include information related to the type of the operating state of the electronic device 101 related to disconnection of the second cellular communication.
  • information related to the type of the operating state of the electronic device 101 related to disconnection of the second cellular communication may be included in the FailureReportSCG information element included in the SCGFailureInformation message as shown in Table 2.
  • FailureReportSCG SEQUENCE ⁇ failureType ENUMERATED ⁇ t310-Expiry, randomAccessProblem, rlc-MaxNumRetx, synchReconfigFailureSCG, scg-ReconfigFailure, srb3-IntegrityFailure , uethermal, uelowbattery, uelcdoff, uevoltecall, spare2, spare2, spare1 ⁇ tp, spare1
  • uethermal may indicate that the cause related to disconnection of the second cellular communication is the temperature of the electronic device 101 .
  • “uelowbattery” may indicate that the cause related to disconnection of the second cellular communication is the battery state (eg, remaining battery level) of the electronic device 101 .
  • “uelcdoff” may indicate a state of the display device (eg, an off state of the display device) that is a cause related to disconnection of the second cellular communication.
  • “uevoltecall” may indicate that the cause related to disconnection of the second cellular communication is the VoLTE operation state.
  • lowuserdatatp may indicate that the cause related to disconnection of the second cellular communication is that the data rate is less than or equal to the specified data rate in a state in which the function to restrict the use of the second cellular communication at a relatively low data rate is set, but the operation state included It will be readily understood by those skilled in the art that the type is not limited thereto.
  • information indicating the type of the operating state of the electronic device 101 may be included in the request signal as Boolean data. For example, when the “uethermal” information has a value of 1, the type of the operation state of the electronic device 101 related to the disconnection of the second cellular communication may represent the temperature of the electronic device 101 .
  • a cause related to disconnection of the second cellular communication may be included in the request signal as data of a format indicating one of several causes (eg, cause: “uethermal”).
  • the second cellular communication Information related to the type of operation state of the electronic device 101 related to disconnection may be included in an information element configured separately from the FailureReportSCG information element as shown in Table 3. For example, since the parameters included in Table 3 are the same as the parameters included in Table 2, descriptions of the parameters included in Table 3 are omitted in order to avoid redundant description.
  • FailureReportSCG2 SEQUENCE ⁇ failureType ENUMERATED ⁇ uethermal, uelowbattery, uelcdoff, uevoltecall, lowuserdatatp, spare2, spare1 ⁇
  • the request signal is information related to the type of the operating state of the electronic device 101 related to the disconnection of the second cellular communication and may include information in a format that may have various values. have.
  • information related to the type of the operation state of the electronic device 101 related to disconnection of the second cellular communication may be included as a "cause" field of the FailureReportSCG information element.
  • the “cause” field has a value of 1, it indicates that the type of the operating state of the electronic device 101 is an increase in the temperature of the electronic device 101, and when it has a value of 2, it indicates that the battery is insufficient.
  • the present invention is not limited thereto.
  • the electronic device eg, the wireless communication module 192 , the first communication circuit 510 , or the third communication circuit 540 ) performs a second It can be checked whether a disconnection signal of cellular communication is received.
  • the connection release signal is the second cellular in the RRC reconfiguration message (eg, RRCReconfiguration message or RRCConnectionReconfiguration message) received through the first cellular communication (eg, communication related to the 3GPP TS 36.331 standard) It may include information (eg, release) that explicitly indicates disconnection of communication.
  • RRCConnectionReconfiguration-v1510-IEs :: SEQUENCE ⁇ nr-Config-r15 CHOICE ⁇ release NULL, setup SEQUENCE ⁇ endc-ReleaseAndAdd-r15 BOOLEAN, nr-SecondaryCellGroupConfig-r15 OCTET STRING OPTIONAL, -- Need ON p-MaxEUTRA-r15 P-Max OPTIONAL -- Need ON ⁇ ⁇ OPTIONAL, -- Need ON sk-Counter-r15 INTEGER (0..
  • OPTIONAL -- Need ON nr-RadioBearerConfig1-r15 OCTET STRING OPTIONAL, -- Need ON nr-RadioBearerConfig2-r15 OCTET STRING OPTIONAL, -- Need ON tdm-PatternConfig-r15 CHOICE ⁇ release NULL, setup SEQUENCE ⁇ subframeAssignment-r15 SubframeAssignment-r15, harq-Offset-r15 INTEGER (0.. 9) ⁇ ⁇ OPTIONAL, -- Cond FDDPCell nonCriticalExtension RRCConnectionReconfiguration-v1530-IEs OPTIONAL ⁇
  • configuration information related to the second cellular communication is 'NULL' in the RRC reconfiguration message received through the first cellular communication (eg, communication related to the 3GPP TS 36.331 standard). can be set to (eg nr-Config-r15 release: NULL ) .
  • the electronic device eg, the wireless communication module 192 , the first communication circuit 510 , or the third communication circuit 540
  • the electronic device eg, the wireless communication module 192 , the first
  • the communication circuit 510 or the third communication circuit 540 receives the connection release signal of the second cellular communication (eg, 'Yes' in operation 803), in operation 805, the communication circuit 510 releases the connection of the second cellular communication. can do.
  • the first communication circuit 510 when receiving a disconnection signal of the second cellular communication from the first node (eg, the MN 410 ), the first communication circuit 510 is configured to release the connection of the second cellular communication.
  • the communication circuit 520 may be controlled.
  • the first communication circuit 510 or the first processing portion 542 of FIG. 5B
  • the disconnection signal or a signal related to the disconnection signal may be transmitted to the second communication circuitry 520 (or the second processing portion 544 of FIG. 5B ).
  • the second communication circuitry 520 (or the second processing portion 544 of FIG. 5B ) may disconnect the connection with the second cellular communication based on the disconnect signal or information related to the disconnect signal.
  • the electronic device eg, the wireless communication module 192 , the second communication circuit 520 , or the third communication circuit 540 ) performs a communication circuit (eg, the second cellular communication) related to the second cellular communication in operation 807 .
  • a communication circuit eg, the second cellular communication
  • the second communication circuit 520 of FIG. 5A or the second processing portion 544 of FIG. 5B may be deactivated.
  • the second communication circuit 520 (or the second processing portion 544 of FIG. 5B ) may determine the temperature of the electronic device 101 , the state of the battery (eg, the battery 189 of FIG. 1 ) (eg, the battery 189 of FIG. 1 ).
  • the second communication circuit 520 may determine the state (eg, active or not) of the display device (eg, the display device 160 of FIG. 1 );
  • the connection of the second cellular communication is disconnected based on at least one of a data rate or a voice of LTE (VoLTE) state (eg, operation or not)
  • the idle state (sleep) for relatively fast reconnection with the second cellular communication state) can be converted to
  • the second communication circuit 520 (or the second processing portion 544 of FIG. 5B ) is the first communication circuit 510 (or the first processing portion 542 of FIG. 5B ) in the first communication circuitry 510 (or the first processing portion 542 of FIG. 5B ). It may be deactivated based on a request signal related to disconnection of the second cellular communication transmitted to the first node (eg, the MN 410 ).
  • the first communication circuitry 510 (or the first processing portion 542 of FIG. 5B ) is a request signal related to the disconnection of the second cellular communication to the first node (eg, the MN 410 ). After transmitting (eg, operation 801 of FIG.
  • information on this may be transmitted to the second communication circuit 520 (or the second processing part 544 of FIG. 5B ).
  • the second communication circuitry 520 (or the second processing portion 544 of FIG. 5B ) disconnects the second cellular communication of the first communication circuitry 510 (or the first processing portion 542 of FIG. 5B ).
  • the connection of the second cellular communication may be released based on the transmission of the request signal. For example, when the second communication circuit 520 (or the second processing part 544 of FIG. 5B ) disconnects the connection of the second cellular communication based on the operating state of the electronic device 101, the second communication circuit 520 (or the second processing part 544 of FIG. sleep state) or may be converted to a power off state.
  • FIG. 9A is a flowchart 900 for selectively transmitting quality measurement information of a second cellular communication in an electronic device according to various embodiments of the present disclosure.
  • the operations of FIG. 9A may be detailed operations of operation 709 of FIG. 7 .
  • each operation may be sequentially performed, but is not necessarily performed sequentially.
  • the order of each operation may be changed, and at least two operations may be performed in parallel.
  • the electronic device may be the electronic device 101 of FIGS. 1, 5A, or 5B .
  • an electronic device eg, the wireless communication module 192 of FIG. 1 , the first communication circuit 510 of FIG. 5A , or the third communication circuit 540 of FIG. 5B
  • the information related to quality measurement of the second cellular communication may include information related to setting a quality measurement request event (eg, B1 event) of the second cellular communication for connection of the second cellular communication.
  • information related to setting a quality measurement request event of the second cellular communication may be included in an RRC reconfiguration message (eg, an RRCreconfiguration message or an RRCConnectionReconfiguration message).
  • the electronic device transmits information related to quality measurement of the second cellular communication. If received (eg, 'Yes' in operation 901 ), in operation 903 , the quality of the second cellular communication may be measured.
  • the first communication circuit 510 (or the first processing portion 542 of FIG. 5B ) receives information related to quality measurement of the second cellular communication from the first node (eg, the MN 410 ). If received, the second communication circuit 520 may be controlled to measure the quality of the second cellular communication.
  • the first communication circuitry 510 or the first processing portion 542 of FIG.
  • the second communication circuitry 520 may transmit information related to a setting for a quality measurement of a second cellular communication or a setting for a quality measurement of a second cellular communication.
  • the second communication circuitry 520 may provide information related to a setting for a quality measurement of the second cellular communication or a setting for a quality measurement of the second cellular communication. Based on the second cellular communication quality may be measured.
  • the electronic device measures the quality of the second cellular communication
  • the result may be stored in the memory of the electronic device 101 (eg, the memory 130 of FIG. 1 , the memory 530 of FIG. 5A , or the memory 530 of FIG. 5B ).
  • the second communication circuit 520 (or the second processing portion 544 in FIG. 5B ) transmits the quality measurement result of the second cellular communication to the first communication circuit 510 (or the first communication circuit 510 in FIG. 5B ). processing portion 542).
  • the first communication circuitry 510 (or the first processing portion 542 of FIG. 5B ) is configured such that the reconnection of the second cellular communication is limited to the second communication circuitry 520 (or the second processing portion 544 of FIG. 5B ). ) may limit the transmission of the quality measurement result of the second cellular communication provided from.
  • the electronic device eg, the processor 120 or 500 , the first communication circuit 510 , the second communication circuit 520 , or the third communication circuit 540 ) performs the electronic device It may be checked whether the operation state information of 101 satisfies a specified condition related to reconnection of the second cellular communication.
  • the processor 500 (or the first communication circuit 510 , the second communication circuit 520 , or the third communication circuit 540 ) may perform the second cellular communication based on the temperature of the electronic device 101 .
  • the connection is released, it may be determined that a specified condition related to reconnection of the second cellular communication is satisfied based on the temperature of the electronic device 101 being lower than the specified temperature.
  • the processor 500 (or the first communication circuit 510 , the second communication circuit 520 , or the third communication circuit 540 ) performs the second cellular communication based on the battery state of the electronic device 101 .
  • it may be determined that the remaining amount of the battery is equal to or greater than the specified amount of the battery, or a specified condition related to reconnection of the second cellular communication is satisfied based on the connection to an external power source.
  • the processor 500 (or the first communication circuit 510 , the second communication circuit 520 , or the third communication circuit 540 ) disconnects the second cellular communication based on the data rate. , it may be determined that a specified condition related to reconnection of the second cellular communication is satisfied based on the data transmission rate exceeding the specified transmission rate.
  • the electronic device (eg, the wireless communication module 192 , the first communication circuit 510 , or the third communication circuit 540 of FIG. 5B ) transmits the operation state information of the electronic device 101 . 2
  • the specified condition related to reconnection of cellular communication is not satisfied (eg, 'No' in operation 907)
  • the operation state information of the electronic device 101 determines the specified condition related to reconnection of the second cellular communication. You can check if you are satisfied.
  • the processor 500 (or the first communication circuit 510 , the second communication circuit 520 , or the third communication circuit 540 ) transmits the operation state information of the electronic device 101 to the second cellular
  • a specified condition related to communication reconnection eg, 'No' in operation 907
  • transmission of the quality measurement result of the second cellular communication may be restricted.
  • the electronic device transmits the operation state information of the electronic device 101 . If a specified condition related to reconnection of the second cellular communication is satisfied (eg, 'Yes' in operation 907), or in operation 909, the quality measurement result of the second cellular communication may be transmitted to the network.
  • the first communication circuit 510 (or the first processing portion 542 of FIG. 5B ) may store the quality measurement result of the second cellular communication stored in the memory 530 or the second communication circuit 520 ( Alternatively, the second cellular communication quality measurement result provided from the second processing part 544 of FIG. 5B may be transmitted to the first node (eg, the MN 410 ).
  • the electronic device eg, the processor 120 or 500 , the first communication circuit 510 , the second communication circuit 520 , or the third communication circuit 540 ) is the electronic device 101 .
  • the operation state information does not satisfy a specified condition related to reconnection of the second cellular communication (eg, 'No' in operation 907), although not shown, in operation 903, the quality of the second cellular communication may be measured.
  • the electronic device eg, the processor 120 or 500 , the first communication circuit 510 , the second communication circuit 520 , or the third communication circuit 540
  • the operation state information does not satisfy a specified condition related to reconnection of the second cellular communication (eg, 'No' in operation 907), although not shown, it may be checked whether the connection of the first cellular communication is released.
  • the processor 500 or the first communication circuit 510 , the second communication circuit 520 , or the third communication circuit 540 ) has a memory ( The information related to the quality measurement result of the second cellular communication stored in 530 may be deleted.
  • the disconnection of the first cellular communication may include a state in which the RRC state with the first node (eg, the MN 410 ) is changed to the RRC_IDLE state or the RRC connection is released.
  • FIG. 9B is a flowchart 920 for selectively measuring quality information of a second cellular communication in an electronic device according to various embodiments of the present disclosure.
  • the operations of FIG. 9B may be detailed operations of operation 709 of FIG. 7 .
  • each operation may be sequentially performed, but is not necessarily performed sequentially.
  • the order of each operation may be changed, and at least two operations may be performed in parallel.
  • the electronic device may be the electronic device 101 of FIGS. 1, 5A, or 5B .
  • the electronic device transmits information related to quality measurement of the second cellular communication.
  • information related to the quality measurement of the second cellular communication is stored in a memory (eg, the memory 130 of FIG. 1 , the memory 530 of FIG. 5A or FIG. It may be stored in the memory 530 of 5b).
  • first communication circuitry 510 (or first processing portion 542 in FIG. 5B ) is a second to second communication circuitry 520 (or second processing portion 544 in FIG. 5B ). Transmission of information related to a setting for quality measurement of cellular communication or a setting for measuring quality of the second cellular communication may be restricted.
  • the processor 500 (or the first communication circuit 510 , the second communication circuit 520 , or the third communication circuit 540 ) performs the second cellular communication based on the battery state of the electronic device 101 .
  • it may be determined that the remaining amount of the battery is equal to or greater than the specified amount of the battery, or a specified condition related to reconnection of the second cellular communication is satisfied based on the connection to an external power source.
  • the processor 500 when the processor 500 (or the first communication circuit 510 , the second communication circuit 520 , or the third communication circuit 540 ) releases the connection of the second cellular communication based on the LTE fallback , it may be determined that a specified condition related to reconnection of the second cellular communication is satisfied based on the activation (on) of the display device (eg, the display device 160 of FIG. 1 ). For example, the processor 500 (or the first communication circuit 510 , the second communication circuit 520 , or the third communication circuit 540 ) disconnects the second cellular communication based on the VoLTE operating state. In this case, it may be determined that a specified condition related to reconnection of the second cellular communication is satisfied based on the termination of the VoLTE operation.
  • the processor 500 (or the first communication circuit 510 , the second communication circuit 520 , or the third communication circuit 540 ) disconnects the second cellular communication based on the data rate. , it may be determined that a specified condition related to reconnection of the second cellular communication is satisfied based on the data transmission rate exceeding the specified transmission rate.
  • the electronic device (eg, the wireless communication module 192 , the first communication circuit 510 , or the third communication circuit 540 of FIG. 5B ) transmits the operation state information of the electronic device 101 . 2 If the specified condition related to reconnection of cellular communication is not satisfied (eg, 'No' in operation 925), in operation 925, the operation state information of the electronic device 101 determines that the specified condition related to reconnection of the second cellular communication is not satisfied. You can check if you are satisfied.
  • the second communication circuitry 520 may provide information related to a setting for a quality measurement of the second cellular communication or a setting for a quality measurement of the second cellular communication. Based on the second cellular communication quality may be measured.
  • the electronic device eg, the wireless communication module 192 , the first communication circuit 510 , or the third communication circuit 540 of FIG. 5B ) measures the quality of the second cellular communication in operation 929 .
  • Results can be transmitted over the network.
  • the second communication circuit 520 (or the second processing portion 544 in FIG. 5B ) transmits the quality measurement result of the second cellular communication to the first communication circuit 510 (or the first communication circuit 510 in FIG. 5B ). processing portion 542).
  • the first communication circuitry 510 (or the first processing portion 542 of FIG. 5B ) is the second communication circuitry 520 (or the second processing portion 544 of FIG. 5B ) the quality of the second cellular communication received from the second communication circuitry 510 (or the second processing portion 544 of FIG. 5B).
  • the measurement result may be transmitted to the first node (eg, the MN 410).
  • the electronic device eg, the processor 120 or 500 , the first communication circuit 510 , the second communication circuit 520 , or the third communication circuit 540 . If the operation state information does not satisfy a specified condition related to reconnection of the second cellular communication (eg, 'No' in operation 925), whether information related to quality measurement of the second cellular communication is received, although not shown in operation 921 can be checked
  • FIG. 10 is a flowchart 1000 for releasing a connection between an electronic device and a second cellular communication in a base station according to various embodiments of the present disclosure.
  • FIG. 10 may describe an operation of a base station corresponding to the operation of the electronic device of FIGS. 7, 8, 9A, or 9B .
  • each operation may be sequentially performed, but is not necessarily performed sequentially.
  • the order of each operation may be changed, and at least two operations may be performed in parallel.
  • the base station may be a master node (MN) 410 of FIG. 4A , the LTE base station 440 of FIG. 4C , or the base station 600 of FIG. 6 .
  • MN master node
  • the base station may receive a quality measurement result of the second cellular communication from the electronic device 101 based on a setting for measuring the quality of the second cellular communication.
  • the base station may determine that the connection between the electronic device 101 and the second cellular communication is possible. have.
  • the base station may transmit information on the connection of the second cellular communication to the electronic device 101 through RRC reconfiguration with the electronic device 101 .
  • the electronic device 101 and the second node supporting the second cellular communication (eg, the secondary node 420 of FIG. 4A ) may connect the second cellular communication based on information on the connection of the second cellular communication.
  • the base station eg, the processor 610 or the wireless communication circuit 620 ) requests disconnection of the second cellular communication from the electronic device 101 through the first cellular communication in operation 1003 .
  • the signal for requesting disconnection of the second cellular communication may include information on a cause for requesting disconnection of the second cellular communication.
  • the base station eg, the processor 610 or the wireless communication circuit 620
  • the base station receives a signal requesting disconnection of the second cellular communication from the electronic device 101 (eg, operation 1003 ) of 'Yes')
  • the processor 610 determines that the cause of the connection release request for the second cellular communication of the electronic device 101 is due to the operating state of the electronic device 101 , the second It may be determined that the request for disconnection of the cellular communication is approved.
  • the processor 610 may It may be determined that the cause related to disconnection of the cellular communication is the operating state of the electronic device 101 . For example, when a value indicating a cause (eg, triggerbyue) related to disconnection of the second cellular communication included in the signal for requesting disconnection of the second cellular communication is “0”, the processor 610 may It may be determined that the cause related to disconnection of the cellular communication is not the operating state of the electronic device 101 .
  • the processor 610 may determine that a value indicating a cause (eg, triggerbyue) related to the disconnection of the second cellular communication included in the signal for requesting the disconnection of the second cellular communication is “cause value: 6” , it may be determined that the cause related to disconnection of the second cellular communication is the operating state of the electronic device 101 .
  • a value indicating a cause eg, triggerbyue
  • the cause related to disconnection of the second cellular communication is the operating state of the electronic device 101 .
  • the method of indicating the cause related to disconnection of the second cellular communication is not limited thereto.
  • the processor 610 determines whether to release the connection between the electronic device 101 and the second cellular communication based on whether data to be transmitted to the electronic device 101 through the second cellular communication exists. can judge For example, if there is data to be transmitted to the electronic device 101 through the second cellular communication, the processor 610 determines that the electronic device 101 rejects the request for disconnecting the second cellular communication. can do. For example, when there is no data to be transmitted to the electronic device 101 through the second cellular communication, the processor 610 approves the request of the electronic device 101 to disconnect the second cellular communication. can judge
  • a connection release signal (eg, a request acceptance signal) may be transmitted to the electronic device 101 as a response signal of a request signal related to disconnection of the second cellular communication.
  • the connection release signal may include an RRC reconfiguration message (eg, an RRCConnectionReconfiguration or RRCReconfiguration message).
  • the base station eg, the MN 410 of FIG. 4A
  • another base station related to the second cellular communication eg, the SN 420 of 4a
  • the signal for requesting disconnection of the second cellular communication may include an SgNB release request message.
  • the base station eg, the processor 610 or the wireless communication circuit 620
  • responds to a signal requesting disconnection of the second cellular communication from another base station eg, the SN 420 of 4a.
  • a signal for approving disconnection of the second cellular communication may be received from the .
  • a signal for acknowledging release of the second cellular communication may include an SgNB release acknowledge message.
  • the base station eg, the processor 610 or the wireless communication circuit 620
  • receives a signal authorizing disconnection of the second cellular communication from another base station eg, the SN 420 of 4a.
  • a connection release signal eg, a request acceptance signal
  • a specified second time elapses It may be checked whether the quality measurement result of the second cellular communication is received from the electronic device 101 until For example, when the base station does not receive the quality measurement result of the second cellular communication until the specified second time elapses, the base station may cancel the setting for the quality measurement of the second cellular communication transmitted to the electronic device 101 .
  • the base station may maintain the setting for measuring the quality of the second cellular communication transmitted to the electronic device 101 even if it does not receive the quality measurement result of the second cellular communication until a specified second time elapses.
  • a rejection signal may be transmitted to the electronic device 101 in response to a request signal related to disconnection of the second cellular communication.
  • an additional message may not be transmitted to the electronic device 101 in response to a request signal related to disconnection of the second cellular communication.
  • the base station (eg, the processor 610 or the wireless communication circuit 620 ) may operate differently depending on a cause related to disconnection of the second cellular communication received from the electronic device 101 . .
  • the processor 610 determines that the cause related to disconnection of the second cellular communication is the temperature of the electronic device 101 , a battery state (eg, remaining battery capacity), or data
  • the electronic device 101 may be controlled so that the RRC state with the electronic device 101 is switched to the RRC_IDLE state.
  • the processor 610 (or the wireless communication circuit 620 ) resets the information related to the cause of the disconnection of the second cellular communication (eg, the temperature of the electronic device 101 , the state of the battery, or the data transfer rate).
  • the request for connection of the second cellular communication may not be requested from the electronic device 101 until information related to the connection possibility of the second cellular communication is received from the electronic device 101 .
  • the information related to the possibility of connection of the second cellular communication may include at least one of a signal indicating a change in the state of the terminal through transmission of quality measurement information of the second cellular communication or an RRC signal.
  • the processor 610 (or the wireless communication circuit 620 ) is configured to display at least one of a display device state (eg, active or not), data throughput, or voice of LTE (VoLTE) operation state.
  • a display device state eg, active or not
  • data throughput e.g., data throughput
  • voice of LTE (VoLTE) operation state e.g., voice of LTE (VoLTE) operation state.
  • the processor 610 (or the wireless communication circuit 620 ) transmits setting information for measurement of the second cellular communication quality for a predetermined time after disconnecting the second cellular communication with the electronic device 101 to the electronic device. (101) may not be transmitted.
  • the processor 610 (or the wireless communication circuit 620 ) may transmit setting information for measurement of the second cellular communication quality to the electronic device 101 only when there is more than a certain amount of user data to be transmitted to the user. have.
  • each operation may be sequentially performed, but is not necessarily performed sequentially.
  • the order of each operation may be changed, and at least two operations may be performed in parallel.
  • the electronic device may be the electronic device 101 of FIG. 1 .
  • an electronic device eg, the wireless communication module 192 of FIG. 1 , the first communication circuit 510 of FIG. 5A , the second communication circuit 520 , or the second communication circuit 520 of FIG. 5B
  • the third communication circuit 540 may connect the first cellular communication and the second cellular communication for dual connection (DC) in operation 1101 .
  • the electronic device 101 supports a first cellular communication through the first communication circuit 510 (or the third communication circuit 540) (eg, the master node ( 410)) and RRC (radio resource control) connection may be performed to connect the first cellular communication and the second cellular communication.
  • an electronic device may check the operating state of the electronic device 101 in operation 1103 .
  • the operating state of the electronic device 101 may include the temperature of the electronic device 101 , the state of the battery (eg, the battery 189 of FIG. 1 ) (eg, the battery level), and the display device (eg, the display of FIG. 1 ). At least one of a state (eg, active or not) of the device 160), a VoLTE operation state, or a data rate.
  • the temperature of the electronic device 101 may be determined by the individual of at least one or more modules (eg, the processor 500 , the first communication circuit 510 , or the second communication circuit 520 ) included in the electronic device 101 . temperature or a combined temperature.
  • modules eg, the processor 500 , the first communication circuit 510 , or the second communication circuit 520
  • the electronic device (eg, the processor 120 or 500 , the first communication circuit 510 , the second communication circuit 520 , or the third communication circuit 540 ) performs in operation 1105 , the electronic device It may be checked whether the operation state of 101 satisfies a specified condition related to disconnection of the second cellular communication.
  • the specified condition related to the disconnection of the second cellular communication is a specified temperature related to the disconnection of the second cellular communication, a specified battery level, whether LTE fallback occurs, whether VoLTE is operated, and a relatively low data rate. It may include at least one of whether a function for limiting the use of the second cellular communication is set or a specified data rate.
  • the electronic device eg, the processor 120 or 500 , the first communication circuit 510 , the second communication circuit 520 , or the third communication circuit 540 . If the operation state does not satisfy a specified condition related to disconnection of the second cellular communication (eg, 'No' in operation 1105), in operation 1103, the electronic device 101 performs the first cellular communication and the second cellular communication. In the double-connected state, the operation state of the electronic device 101 may be checked.
  • a specified condition related to disconnection of the second cellular communication eg, 'No' in operation 1105
  • the electronic device 101 performs the first cellular communication and the second cellular communication. In the double-connected state, the operation state of the electronic device 101 may be checked.
  • the electronic device receives the second cellular communication disconnection signal.
  • the first communication circuit 510 receives a disconnection signal from a first node (eg, the MN 410 ) through the first cellular communication in response to a request signal related to disconnection of the second cellular communication. You can check to see if it is received.
  • the connection release signal may include a message (eg, RRCConnectionReconfiguration message or RRCReconfiguration message) related to RRC reconfiguration including information (eg, release NULL) indicating disconnection of the second cellular communication.
  • the connection release signal may include a message related to RRC reconfiguration that does not include the configuration of the second cellular communication.
  • the first communication circuit 510 (or the first processing portion 542 of FIG. 5B ) sends a request signal related to disconnection of the second cellular communication to the first node (eg, the MN 410 ).
  • a request signal related to disconnection of the second cellular communication may be transmitted back to the first node (eg, the MN 410 ). For example, retransmission of a request signal related to disconnection of the second cellular communication may be repeated up to a specified number of times when a response signal is not received.
  • the electronic device eg, the wireless communication module 192 , the first communication circuit 510 , or the third communication circuit 540
  • the connection release signal of the second cellular communication eg, : 'Yes' in operation 1109
  • the first communication circuit 510 receives the disconnection signal of the second cellular communication from the first node (eg, the MN 410 ). In this case, it may be confirmed that the disconnection of the second cellular communication by the first node (eg, the MN 410 ) has been completed.
  • the first communication circuit 510 (or the first processing portion 542 of FIG. 5B ) indicates that the disconnection of the second cellular communication by the first node (eg, the MN 410 ) has been completed.
  • the second communication circuit 520 may be controlled.
  • the method of controlling the second communication circuitry 520 is that the first communication circuitry 510 (or the first processing portion 542 of FIG. 5B ) receives from a first node (eg, the MN 410 ). It may include an operation of transmitting a connection release signal of one second cellular communication to the second communication circuit 520 .
  • the second communication circuit 520 may release the connection with the second cellular communication.
  • the second communication circuit 520 when the second communication circuit 520 disconnects the second cellular communication, at least one of transmitting, receiving, or processing a signal related to the second cellular communication may be stopped.
  • the second communication circuit 520 may be switched to a sleep state or switched to a power off state based on disconnection of the second cellular communication.
  • the electronic device eg, the wireless communication module 192 , the first communication circuit 510 , or the third communication circuit 540 ) provides information related to quality measurement of the second cellular communication in operation 1113 . You can check to see if it is received.
  • the first communication circuitry 510 (or the first processing portion 542 of FIG. 5B ) is configured to receive a second cellular communication from a first node (eg, MN 410 ) via the first cellular communication. You can check whether information related to quality measurement is received.
  • the information related to quality measurement of the second cellular communication may include information related to setting a quality measurement request event (eg, B1 event) of the second cellular communication for connection of the second cellular communication.
  • information related to quality measurement of the second cellular communication may be included in an RRC reconfiguration message (eg, an RRCreconfiguration message or an RRCConnectionReconfiguration message).
  • the electronic device eg, the wireless communication module 192 , the first communication circuit 510 , or the third communication circuit 540
  • the quality of the second cellular communication may be measured and transmitted to the network.
  • the first communication circuit 510 (or the first processing portion 542 of FIG. 5B ) receives information related to quality measurement of the second cellular communication from the first node (eg, the MN 410 ).
  • the activation signal may be transmitted to the deactivated second communication circuit 520 .
  • the first communication circuit 510 (or the first processing portion 542 of FIG.
  • the second communication circuitry 520 (or the second processing portion 544 of FIG. 5B ) may measure the quality of the second cellular communication based on information related to measuring the quality of the second cellular communication. have.
  • the second communication circuit 520 (or the second processing part 544 of FIG. 5B ) may transmit the quality measurement result of the second cellular communication to the first communication circuit 510 .
  • the first communication circuit 510 (or the first processing part 542 of FIG. 5B ) transmits the quality measurement result of the second cellular communication through the first cellular communication to the first node (eg, MN ( 410)) can be transmitted.
  • FIG. 12 is a flowchart 1200 for restricting reconnection between an electronic device and a second cellular communication in a base station according to various embodiments of the present disclosure.
  • FIG. 12 may describe an operation of a base station corresponding to an operation of the electronic device 101 of FIG. 11 .
  • each operation may be sequentially performed, but is not necessarily performed sequentially.
  • the order of each operation may be changed, and at least two operations may be performed in parallel.
  • the base station may be a master node (MN) 410 of FIG. 4A , the LTE base station 440 of FIG. 4C , or the base station 600 of FIG. 6 .
  • MN master node
  • the base station transmits the electronic device 101 to the first cellular communication and the second cellular communication.
  • the electronic device 101 may be controlled to double-connect.
  • the base station may transmit an RRC connection reconfiguration message (eg, an RRC reconfiguration message or an RRC connection reconfiguration message) to the electronic device 101 through the wireless communication circuit 620 .
  • the RRC connection reconfiguration message may include information related to a setting (eg, B1 event) for measuring the quality of the second cellular communication.
  • the base station eg, the processor 610 or the wireless communication circuit 620 ) requests disconnection of the second cellular communication from the electronic device 101 through the first cellular communication in operation 1203 .
  • the signal for requesting disconnection of the second cellular communication may include information on a cause for requesting disconnection of the second cellular communication.
  • the base station eg, the processor 610 or the wireless communication circuit 620
  • the base station receives a signal requesting disconnection of the second cellular communication from the electronic device 101 (eg, operation 1203 ) of 'Yes')
  • the processor 610 may It may be determined that the connection of cellular communication is released.
  • a connection release signal (eg, a request acceptance signal) may be transmitted to the electronic device 101 in response to a request signal related to disconnection of the second cellular communication.
  • the base station may limit the reconnection of the electronic device 101 and the second cellular communication in operation 1209 .
  • the processor 610 determines the communication quality with the second node (eg, the SN 420 ) supporting the second cellular communication until the connection between the electronic device 101 and the first cellular communication is released. It is possible to limit the transmission of settings for measurements.
  • the processor 610 transmits the connection disconnection signal to the electronic device 101 through the wireless communication circuit 620 and performs second cellular communication quality measurement until a specified first time elapses. You can restrict the transfer of settings.
  • the processor 610 may control the wireless communication circuit 620 to transmit a setting for measuring the quality of the second cellular communication to the electronic device 101 when the specified first time has elapsed.
  • the base station performs the second cellular communication of the electronic device 101 based on the quality measurement result of the second cellular communication provided from the electronic device 101 . It is possible to decide whether to reconnect communication.
  • the base station eg, the processor 120 or 610
  • the base station eg, the processor 120 or 610 determines that the electronic device 101 connects the second cellular communication, it transmits a connection request for the second cellular communication to the second node (eg, the SN 420).
  • a method of operating an electronic device includes an operation of connecting to the first cellular communication and the second cellular communication, and an operation of the electronic device.
  • Connection of the second cellular communication including operation state information of the electronic device when the operation of confirming the operation state and the operation state of the electronic device satisfy a specified first condition related to disconnection of the second cellular communication
  • the method may include transmitting a request signal related to release to a first node through the first cellular communication, and releasing the connection of the second cellular communication based on a response signal to the request signal.
  • the request signal related to disconnection of the second cellular communication may include information indicating that the cause of disconnection of the second cellular communication is the operating state of the electronic device.
  • the request signal related to the disconnection of the second cellular communication may include at least one type of an operating state of the electronic device corresponding to a cause of the disconnection of the second cellular communication.

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

Abstract

Divers modes de réalisation de la présente invention se rapportent à un appareil et à un procédé pour commander, par un dispositif électronique, une connectivité double (DC). Le dispositif électronique comprend : un premier circuit de communication pour réaliser une première communication cellulaire avec un premier noeud ; un second circuit de communication pour réaliser une seconde communication cellulaire avec un second noeud ; et au moins un processeur connecté fonctionnellement au premier circuit de communication et au second circuit de communication, le processeur pouvant se connecter à la première communication cellulaire et à la seconde communication cellulaire par l'intermédiaire du premier circuit de communication et du second circuit de communication, identifier un état de fonctionnement du dispositif électronique, lorsque l'état de fonctionnement du dispositif électronique satisfait une première condition désignée relative à la déconnexion de la seconde communication cellulaire, commander le premier circuit de communication pour transmettre un signal de demande relatif à la déconnexion de la seconde communication cellulaire comprenant des informations d'état de fonctionnement du dispositif électronique, le premier circuit de communication transmettant le signal de demande relatif à la déconnexion de la seconde communication cellulaire au premier noeud, et commander le second circuit de communication pour déconnecter la seconde communication cellulaire, sur la base d'un signal de réponse au signal de demande. D'autres modes de réalisation peuvent être possibles.
PCT/KR2021/003332 2020-03-30 2021-03-18 Dispositif électronique pour commander une connectivité double et son procédé de fonctionnement WO2021201470A1 (fr)

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KR1020200038388A KR20210121545A (ko) 2020-03-30 2020-03-30 이중 접속을 제어하기 위한 전자 장치 및 그의 동작 방법
KR10-2020-0038388 2020-03-30

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Citations (5)

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US9277586B2 (en) * 2010-09-06 2016-03-01 Abb Research Ltd. Method for reassigning the role of a wireless node in a wireless network
US20160242191A1 (en) * 2015-02-13 2016-08-18 Mediatek Inc. Apparatuses and methods for user equipment (ue)-initiated connection and resource release
KR20170039182A (ko) * 2014-08-08 2017-04-10 엘지전자 주식회사 무선 통신 시스템에서 이중 연결을 위한 서비스 해제를 통보하는 방법 및 장치
KR20190129870A (ko) * 2017-03-21 2019-11-20 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 통신 방법, 보조 네트워크 노드와 단말
KR20200021989A (ko) * 2017-06-16 2020-03-02 지티이 코포레이션 무선 베어러 구성 방법 및 장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9277586B2 (en) * 2010-09-06 2016-03-01 Abb Research Ltd. Method for reassigning the role of a wireless node in a wireless network
KR20170039182A (ko) * 2014-08-08 2017-04-10 엘지전자 주식회사 무선 통신 시스템에서 이중 연결을 위한 서비스 해제를 통보하는 방법 및 장치
US20160242191A1 (en) * 2015-02-13 2016-08-18 Mediatek Inc. Apparatuses and methods for user equipment (ue)-initiated connection and resource release
KR20190129870A (ko) * 2017-03-21 2019-11-20 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 통신 방법, 보조 네트워크 노드와 단말
KR20200021989A (ko) * 2017-06-16 2020-03-02 지티이 코포레이션 무선 베어러 구성 방법 및 장치

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