WO2023286978A1 - 조건부 핸드오버를 수행하는 전자 장치 및 전자 장치의 동작 방법 - Google Patents
조건부 핸드오버를 수행하는 전자 장치 및 전자 장치의 동작 방법 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
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Definitions
- Various embodiments of the present disclosure relate to an electronic device and a method of operating the electronic device, for example, an electronic device performing conditional handover and a method of operating the electronic device.
- the 5G communication system or pre-5G communication system is being called a system after a 4G network (Beyond 4G Network) communication system or an LTE system (Post LTE).
- 4G network Beyond 4G Network
- LTE system Post LTE
- the 5G communication system is implemented in a mmWave band (eg, a band of 6 gigabytes (6 GHz) or more) in addition to the band used by LTE (a band of 6 gigabytes (6 GHz) or less) is being considered
- a mmWave band eg, a band of 6 gigabytes (6 GHz) or more
- LTE a band of 6 gigabytes (6 GHz) or less
- beamforming, massive MIMO, Full Dimensional MIMO (FD-MIMO), array antenna, analog beam-forming, and large scale antenna technologies are being discussed.
- An electronic device may be connected to a network through a node and may transmit data to an external electronic device or receive data transmitted by an external electronic device through cellular communication.
- the electronic device may perform handover to change a node to which it is connected.
- Conditional handover may refer to a handover performed when, for example, a handover execution condition is satisfied.
- the electronic device may evaluate whether the handover execution condition is satisfied, and in response to satisfying the handover execution condition, perform a connection to a node that satisfies the execution condition.
- the electronic device may select a node to perform handover from among the plurality of nodes.
- selecting a node to perform handover among a plurality of nodes is an implementation matter of an electronic device, and defines specific details for selecting a node. Not doing it.
- the selected node may not have the ability to improve the quality of the service used by the electronic device.
- a connection is performed to a node that cannot improve the quality of service used by the electronic device, a phenomenon in which the quality of service of the electronic device is degraded may occur.
- An electronic device includes a memory; a communication circuit that transmits/receives data with the network; And a communication processor, wherein the communication processor checks information on nodes adjacent to the electronic device included in a radio resource control reconfiguration message received from the network, and satisfies a specified condition among the nodes. At least one node may be checked, and a node to be connected may be selected by referring to a table generated based on information on nodes satisfying the specified condition and a type of service used by the electronic device.
- An electronic device includes a memory; a communication circuit that transmits/receives data with the network; And a communication processor, wherein the communication processor checks information on nodes adjacent to the electronic device included in a radio resource control reconfiguration message received from the network, and satisfies a specified condition among the nodes.
- Check at least one node check whether the quality of a signal transmitted by a first node among the nodes is higher than the quality of signals transmitted by other nodes by a specified level or more, and determine whether the quality of a signal transmitted by the first node Based on the confirmation that the quality of the signal transmitted by the other nodes is higher than the quality of the signal transmitted by the other nodes by a specified size or more, the connection between the first node and the electronic device is performed, and the nodes having different quality of the signal transmitted by the first node It may be set to select a node to be connected based on a table generated based on the type of service used by the electronic device and information on nodes satisfying the specified condition based on the quality of the transmitted signal being less than or equal to a specified size. there is.
- An operating method of an electronic device includes checking information on nodes adjacent to the electronic device included in a radio resource control reconfiguration message received from a network; checking at least one node among the nodes that satisfies a specified condition; An operation of selecting a node to be connected based on a table generated based on information on nodes satisfying the specified condition and a type of service used by the electronic device.
- An electronic device and an operating method of the electronic device are based on information on a plurality of nodes included in an RRC reconfiguration message and a table generated based on the type of service used by the electronic device. Based on this, it is possible to select a node to perform connection (or handover). Therefore, the electronic device can improve the quality of the service used by the electronic device by selecting and connecting a node to perform handover based on the type of service used by the electronic device.
- FIG. 1 is a block diagram of an electronic device in a network environment according to various embodiments of the present disclosure.
- FIG. 2 is a block diagram illustrating an exemplary configuration of an electronic device for supporting legacy network communication and 5G network communication, according to various embodiments.
- 3 is a diagram illustrating a protocol stack structure of a network 100 of legacy communication and/or 5G communication according to various embodiments.
- FIG. 4 is a diagram illustrating an electronic device and a cellular network according to various embodiments of the present invention.
- FIG. 5 is a diagram illustrating an electronic device according to various embodiments of the present disclosure.
- FIG. 6 is a diagram illustrating an embodiment in which an electronic device according to various embodiments of the present disclosure selects a node to connect to based on node information.
- FIG. 7 is an operation flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure.
- FIG. 8 is an operation flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure.
- FIG. 1 is a block diagram of an electronic device 101 within a network environment 100, according to various embodiments.
- an electronic device 101 communicates with an electronic device 102 through a first network 198 (eg, a short-range wireless communication network) or through a second network 199. It may communicate with at least one of the electronic device 104 or the server 108 through (eg, a long-distance wireless communication network). According to one embodiment, the electronic device 101 may communicate with the electronic device 104 through the server 108 .
- a first network 198 eg, a short-range wireless communication network
- the server 108 e.g, a long-distance wireless communication network
- the electronic device 101 includes a processor 120, a memory 130, an input module 150, an audio output module 155, a display module 160, an audio module 170, a sensor module ( 176), interface 177, connection terminal 178, haptic module 179, camera module 180, power management module 188, battery 189, communication module 190, subscriber identification module 196 , or the antenna module 197 may be included.
- at least one of these components eg, the connection terminal 178) may be omitted or one or more other components may be added.
- some of these components are integrated into a single component (eg, display module 160). It can be.
- the processor 120 for example, executes software (eg, the program 140) to cause at least one other component (eg, hardware or software component) of the electronic device 101 connected to the processor 120. It can control and perform various data processing or calculations. According to one embodiment, as at least part of data processing or operation, the processor 120 transfers instructions or data received from other components (e.g., sensor module 176 or communication module 190) to volatile memory 132. , processing commands or data stored in the volatile memory 132 , and storing resultant data in the non-volatile memory 134 .
- software eg, the program 140
- the processor 120 transfers instructions or data received from other components (e.g., sensor module 176 or communication module 190) to volatile memory 132. , processing commands or data stored in the volatile memory 132 , and storing resultant data in the non-volatile memory 134 .
- the processor 120 may include a main processor 121 (eg, a central processing unit or an application processor) or a secondary processor 123 (eg, a graphic processing unit, a neural network processing unit ( NPU: neural processing unit (NPU), image signal processor, sensor hub processor, or communication processor).
- a main processor 121 eg, a central processing unit or an application processor
- a secondary processor 123 eg, a graphic processing unit, a neural network processing unit ( NPU: neural processing unit (NPU), image signal processor, sensor hub processor, or communication processor.
- NPU neural network processing unit
- the secondary processor 123 may be implemented separately from or as part of the main processor 121 .
- the secondary processor 123 may, for example, take the place of the main processor 121 while the main processor 121 is in an inactive (eg, sleep) state, or the main processor 121 is active (eg, running an application). ) state, together with the main processor 121, at least one of the components of the electronic device 101 (eg, the display module 160, the sensor module 176, or the communication module 190) It is possible to control at least some of the related functions or states.
- the auxiliary processor 123 eg, image signal processor or communication processor
- the auxiliary processor 123 may include a hardware structure specialized for processing an artificial intelligence model.
- AI models can be created through machine learning. Such learning may be performed, for example, in the electronic device 101 itself where the artificial intelligence model is performed, or may be performed through a separate server (eg, the server 108).
- the learning algorithm may include, for example, supervised learning, unsupervised learning, semi-supervised learning or reinforcement learning, but in the above example Not limited.
- the artificial intelligence model may include a plurality of artificial neural network layers.
- Artificial neural networks include deep neural networks (DNNs), convolutional neural networks (CNNs), recurrent neural networks (RNNs), restricted boltzmann machines (RBMs), deep belief networks (DBNs), bidirectional recurrent deep neural networks (BRDNNs), It may be one of deep Q-networks or a combination of two or more of the foregoing, but is not limited to the foregoing examples.
- the artificial intelligence model may include, in addition or alternatively, software structures in addition to hardware structures.
- the memory 130 may store various data used by at least one component (eg, the processor 120 or the sensor module 176) of the electronic device 101 .
- the data may include, for example, input data or output data for software (eg, program 140) and commands related thereto.
- the memory 130 may include volatile memory 132 or non-volatile memory 134 .
- the program 140 may be stored as software in the memory 130 and may include, for example, an operating system 142 , middleware 144 , or an application 146 .
- the input module 150 may receive a command or data to be used by a component (eg, the processor 120) of the electronic device 101 from the outside of the electronic device 101 (eg, a user).
- the input module 150 may include, for example, a microphone, a mouse, a keyboard, a key (eg, a button), or a digital pen (eg, a stylus pen).
- the sound output module 155 may output sound signals to the outside of the electronic device 101 .
- the sound output module 155 may include, for example, a speaker or a receiver.
- the speaker can be used for general purposes such as multimedia playback or recording playback.
- a receiver may be used to receive an incoming call. According to one embodiment, the receiver may be implemented separately from the speaker or as part of it.
- the display module 160 may visually provide information to the outside of the electronic device 101 (eg, a user).
- the display module 160 may include, for example, a display, a hologram device, or a projector and a control circuit for controlling the device.
- the display module 160 may include a touch sensor set to detect a touch or a pressure sensor set to measure the intensity of force generated by the touch.
- the audio module 170 may convert sound into an electrical signal or vice versa. According to one embodiment, the audio module 170 acquires sound through the input module 150, the sound output module 155, or an external electronic device connected directly or wirelessly to the electronic device 101 (eg: Sound may be output through the electronic device 102 (eg, a speaker or a headphone).
- the audio module 170 acquires sound through the input module 150, the sound output module 155, or an external electronic device connected directly or wirelessly to the electronic device 101 (eg: Sound may be output through the electronic device 102 (eg, a speaker or a headphone).
- the sensor module 176 detects an operating state (eg, power or temperature) of the electronic device 101 or an external environmental state (eg, a user state), and generates an electrical signal or data value corresponding to the detected state. can do.
- the sensor module 176 may include, for example, a gesture sensor, a gyro sensor, an air pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an IR (infrared) sensor, a bio sensor, It may include a temperature sensor, humidity sensor, or light sensor.
- the interface 177 may support one or more designated protocols that may be used to directly or wirelessly connect the electronic device 101 to an external electronic device (eg, the electronic device 102).
- the interface 177 may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.
- HDMI high definition multimedia interface
- USB universal serial bus
- SD card interface Secure Digital Card interface
- audio interface audio interface
- connection terminal 178 may include a connector through which the electronic device 101 may be physically connected to an external electronic device (eg, the electronic device 102).
- the connection terminal 178 may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (eg, a headphone connector).
- the haptic module 179 may convert electrical signals into mechanical stimuli (eg, vibration or motion) or electrical stimuli that a user may perceive through tactile or kinesthetic senses.
- the haptic module 179 may include, for example, a motor, a piezoelectric element, or an electrical stimulation device.
- the camera module 180 may capture still images and moving images. According to one embodiment, the camera module 180 may include one or more lenses, image sensors, image signal processors, or flashes.
- the power management module 188 may manage power supplied to the electronic device 101 .
- the power management module 188 may be implemented as at least part of a power management integrated circuit (PMIC), for example.
- PMIC power management integrated circuit
- the battery 189 may supply power to at least one component of the electronic device 101 .
- the battery 189 may include, for example, a non-rechargeable primary cell, a rechargeable secondary cell, or a fuel cell.
- the communication module 190 is a direct (eg, wired) communication channel or a wireless communication channel between the electronic device 101 and an external electronic device (eg, the electronic device 102, the electronic device 104, or the server 108). Establishment and communication through the established communication channel may be supported.
- the communication module 190 may include one or more communication processors that operate independently of the processor 120 (eg, an application processor) and support direct (eg, wired) communication or wireless communication.
- the communication module 190 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, : a local area network (LAN) communication module or a power line communication module).
- a wireless communication module 192 eg, a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module
- GNSS global navigation satellite system
- wired communication module 194 eg, : a local area network (LAN) communication module or a power line communication module.
- a corresponding communication module is a first network 198 (eg, a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)) or a second network 199 (eg, legacy It may communicate with the external electronic device 104 through a cellular network, a 5G network, a next-generation communication network, the Internet, or a telecommunications network such as a computer network (eg, a LAN or a WAN).
- a telecommunications network such as a computer network (eg, a LAN or a WAN).
- These various types of communication modules may be integrated as one component (eg, a single chip) or implemented as a plurality of separate components (eg, multiple chips).
- the wireless communication module 192 uses subscriber information (eg, International Mobile Subscriber Identifier (IMSI)) stored in the subscriber identification module 196 within a communication network such as the first network 198 or the second network 199.
- subscriber information eg, International Mobile Subscriber Identifier (IMSI)
- IMSI International Mobile Subscriber Identifier
- the electronic device 101 may be identified or authenticated.
- the wireless communication module 192 may support a 5G network after a 4G network and a next-generation communication technology, for example, NR access technology (new radio access technology).
- NR access technologies include high-speed transmission of high-capacity data (enhanced mobile broadband (eMBB)), minimization of terminal power and access of multiple terminals (massive machine type communications (mMTC)), or high reliability and low latency (ultra-reliable and low latency (URLLC)).
- eMBB enhanced mobile broadband
- mMTC massive machine type communications
- URLLC ultra-reliable and low latency
- -latency communications can be supported.
- the wireless communication module 192 may support a high frequency band (eg, mmWave band) to achieve a high data rate, for example.
- the wireless communication module 192 uses various technologies for securing performance in a high frequency band, such as beamforming, massive multiple-input and multiple-output (MIMO), and full-dimensional multiplexing. Technologies such as input/output (FD-MIMO: full dimensional MIMO), array antenna, analog beam-forming, or large scale antenna may be supported.
- the wireless communication module 192 may support various requirements defined for the electronic device 101, an external electronic device (eg, the electronic device 104), or a network system (eg, the second network 199).
- the wireless communication module 192 is a peak data rate for eMBB realization (eg, 20 Gbps or more), a loss coverage for mMTC realization (eg, 164 dB or less), or a U-plane latency for URLLC realization (eg, Example: downlink (DL) and uplink (UL) each of 0.5 ms or less, or round trip 1 ms or less) may be supported.
- eMBB peak data rate for eMBB realization
- a loss coverage for mMTC realization eg, 164 dB or less
- U-plane latency for URLLC realization eg, Example: downlink (DL) and uplink (UL) each of 0.5 ms or less, or round trip 1 ms or less
- the antenna module 197 may transmit or receive signals or power to the outside (eg, an external electronic device).
- the antenna module 197 may include an antenna including a radiator including a conductor or a conductive pattern formed on a substrate (eg, PCB).
- the antenna module 197 may include a plurality of antennas (eg, an array antenna). In this case, at least one antenna suitable for a communication method used in a communication network such as the first network 198 or the second network 199 is selected from the plurality of antennas by the communication module 190, for example. can be chosen A signal or power may be transmitted or received between the communication module 190 and an external electronic device through the selected at least one antenna.
- other components eg, a radio frequency integrated circuit (RFIC) may be additionally formed as a part of the antenna module 197 in addition to the radiator.
- RFIC radio frequency integrated circuit
- the antenna module 197 may form a mmWave antenna module.
- the mmWave antenna module includes a printed circuit board, an RFIC disposed on or adjacent to a first surface (eg, a lower surface) of the printed circuit board and capable of supporting a designated high frequency band (eg, mmWave band); and a plurality of antennas (eg, array antennas) disposed on or adjacent to a second surface (eg, a top surface or a side surface) of the printed circuit board and capable of transmitting or receiving signals of the designated high frequency band. can do.
- peripheral devices eg, a bus, general purpose input and output (GPIO), serial peripheral interface (SPI), or mobile industry processor interface (MIPI)
- signal e.g. commands or data
- commands or data may be transmitted or received between the electronic device 101 and the external electronic device 104 through the server 108 connected to the second network 199 .
- Each of the external electronic devices 102 or 104 may be the same as or different from the electronic device 101 .
- all or part of operations executed in the electronic device 101 may be executed in one or more external electronic devices among the external electronic devices 102 , 104 , or 108 .
- the electronic device 101 when the electronic device 101 needs to perform a certain function or service automatically or in response to a request from a user or another device, the electronic device 101 instead of executing the function or service by itself.
- one or more external electronic devices may be requested to perform the function or at least part of the service.
- One or more external electronic devices receiving the request may execute at least a part of the requested function or service or an additional function or service related to the request, and deliver the execution result to the electronic device 101 .
- the electronic device 101 may provide the result as at least part of a response to the request as it is or additionally processed.
- cloud computing distributed computing, mobile edge computing (MEC), or client-server computing technology may be used.
- the electronic device 101 may provide an ultra-low latency service using, for example, distributed computing or mobile edge computing.
- the external electronic device 104 may include an internet of things (IoT) device.
- Server 108 may be an intelligent server using machine learning and/or neural networks. According to one embodiment, the external electronic device 104 or server 108 may be included in the second network 199 .
- the electronic device 101 may be applied to intelligent services (eg, smart home, smart city, smart car, or health care) based on 5G communication technology and IoT-related technology.
- FIG. 2 is a block diagram 200 of an electronic device 101 for supporting legacy network communication and 5G network communication, according to various embodiments.
- the electronic device 101 includes a first communication processor (eg, including a communication processing circuit) 212, a second communication processor (eg, including a communication processing circuit) 214, a first A radio frequency integrated circuit (RFIC) 222, a second RFIC 224, a third RFIC 226, a fourth RFIC 228, a first radio frequency front end (RFFE) 232, a second RFFE 234 ), a first antenna module 242, a second antenna module 244, and an antenna 248.
- the electronic device 101 may further include a processor (eg, including a processing circuit) 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 of the components shown in FIG. 1, and the network 199 may further include at least one other network.
- a first communication processor 212, a second communication processor 214, a first RFIC 222, a second RFIC 224, a fourth RFIC 228, a first RFFE 232, and the second RFFE 234 may form at least a portion of the wireless communication module 192 .
- the fourth RFIC 228 may be omitted or included as part of the third RFIC 226 .
- the first communication processor 212 may include various processing circuits, and may support establishment of a communication channel of a band to be used for wireless communication with the first 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.
- a designated band eg, about 6 GHz to about 60 GHz
- the second network 294 may be a 5G network defined by 3GPP.
- the first communication processor 212 or the second communication processor 214 corresponds to another designated band (eg, about 6 GHz or less) among bands to be used for wireless communication with the second 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 on a single chip or in a single package. According to various embodiments, the first communication processor 212 or the second communication processor 214 may be formed in a single chip or a single package with the processor 120, the co-processor 123, or the communication module 190. there is.
- the first RFIC 222 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). of radio frequency (RF) signals.
- RF radio frequency
- an RF signal is obtained from a first network 292 (eg, a legacy network) via an antenna (eg, first antenna module 242), and via an RFFE (eg, 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 .
- the second RFIC 224 When transmitting, the second RFIC 224 transfers 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 referred to as a 5G Sub6 RF signal) of the Sub6 band (eg, about 6 GHz or less).
- a 5G Sub6 RF signal RF signal of the Sub6 band (eg, about 6 GHz or less).
- a 5G Sub6 RF signal is obtained from a second network 294 (eg, a 5G network) through an antenna (eg, the second antenna module 244), and an RFFE (eg, the second RFFE 234) It can be pre-treated through The second RFIC 224 may convert the preprocessed 5G Sub6 RF signal into a baseband signal to be processed by a corresponding communication processor among the first communication processor 212 and 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 Above 6 band (eg, about 6 GHz to about 60 GHz) to be used in the second network 294 (eg, a 5G network). signal (hereinafter referred to as 5G Above6 RF signal).
- the 5G Above6 RF signal may be obtained from the second network 294 (eg, 5G network) through an antenna (eg, antenna 248) and pre-processed through a third RFFE 236.
- the third RFIC 226 may convert the preprocessed 5G Above6 RF signal into a baseband signal to be processed by the second communication processor 214 .
- the third RFFE 236 may be formed as part of the third RFIC 226 .
- the electronic device 101 may include a fourth RFIC 228 separately from or at least as part of the third RFIC 226.
- the fourth RFIC 228 converts the baseband signal generated by the second communication processor 214 into an RF signal (hereinafter, an IF signal) of an intermediate frequency band (eg, about 9 GHz to about 11 GHz). After conversion, the IF signal may be transmitted to the third RFIC 226.
- the third RFIC 226 may convert the IF signal into a 5G Above6 RF signal.
- the 5G Above6 RF signal may be received from the second network 294 (eg, 5G network) via an antenna (eg, antenna 248) and converted to an IF signal by a third RFIC 226.
- the fourth RFIC 228 may convert the IF signal into a baseband signal so that the second communication processor 214 can process it.
- the first RFIC 222 and the second RFIC 224 may be implemented as a single chip or at least part of a single package.
- the first RFFE 232 and the second RFFE 234 may be implemented as a single chip or at least part of a single package.
- at least one antenna module of the first antenna module 242 or the second antenna module 244 may be omitted or 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 processor 120 may be disposed on a first substrate (eg, main PCB).
- the third RFIC 226 is provided on a part (eg, bottom surface) of the second substrate (eg, sub PCB) separate from the first substrate, and the antenna 248 is placed on another part (eg, top surface). is disposed, the third antenna module 246 may be formed.
- the electronic device 101 can improve the quality or speed of communication with the second network 294 (eg, 5G network).
- the antenna 248 may be formed of an antenna array including a plurality of antenna elements that may be used for beamforming.
- the third RFIC 226 may include, for example, a plurality of phase shifters 238 corresponding to a plurality of antenna elements as a part of the third RFFE 236.
- each of the plurality of phase converters 238 may convert 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 converters 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 of the first network 292 (eg, a legacy network) (eg, Stand-Alone (SA)) or may be operated in connection with the first network 292 (eg, a legacy network).
- a 5G network may include only an access network (eg, a 5G radio access network (RAN) or a next generation RAN (NG RAN)) and no core network (eg, a next generation core (NGC)).
- the electronic device 101 may access an external network (eg, the Internet) under the control of a core network (eg, evolved packed core (EPC)) of the legacy network.
- EPC evolved packed core
- Protocol information for communication with the legacy network eg LTE protocol information
- protocol information for communication with the 5G network eg New Radio (NR) protocol information
- other parts eg processor 120, the first communications processor 212, or the second communications processor 214.
- FIG. 3 is a block diagram illustrating a protocol stack structure of a network 100 for legacy communication and/or 5G communication according to an embodiment.
- the network 100 may include an electronic device 101, a legacy network 392, a 5G network 394, and a server 108.
- the electronic device 101 may include an internet protocol 312 , a first communication protocol stack 314 and a second communication protocol stack 316 .
- the electronic device 101 may communicate with the server 108 through the legacy network 392 and/or the 5G network 394 .
- the electronic device 101 may perform Internet communication associated with the server 108 using the Internet protocol 312 (eg, TCP, UDP, or IP).
- the Internet protocol 312 may be executed, for example, in a main processor included in the electronic device 101 (eg, the main processor 121 of FIG. 1 ).
- 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, for example, in one or more communication processors (eg, the wireless communication module 192 of FIG. 1) included in the electronic device 101. there is.
- the server 108 may include Internet Protocol 322 .
- the server 108 may transmit and 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 that resides 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 a legacy network or a 5G network 394 .
- MEC mobile edge computing
- the legacy network 392 may include an LTE base station 340 and an EPC 342 .
- the LTE base station 340 may include an LTE communication protocol stack 344 .
- EPC 342 may include legacy 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 NR base station 350 and a 5GC 352.
- NR base station 350 may include 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 are a control plane protocol for transmitting and receiving control messages and A user plane protocol for transmitting and receiving user data may be included.
- the control message may include, for example, a message related to at least one of security control, bearer setup, authentication, registration, or mobility management.
- User data may include, for example, data other than control messages.
- control plane protocol and the user plane protocol may include physical (PHY), medium access control (MAC), radio link control (RLC), or packet data convergence protocol (PDCP) layers.
- the PHY layer may, for example, channel-code and modulate data received from a higher layer (eg, MAC layer) and transmit the data through a radio channel, demodulate and decode data received through the radio channel, and transmit the data to the higher layer.
- the PHY layer included in the second communication protocol stack 316 and the NR communication protocol stack 354 may further perform an operation related to beam forming.
- the MAC layer may, for example, logically/physically map data to a radio channel to be transmitted/received, and perform hybrid automatic repeat request (HARQ) for error correction.
- HARQ hybrid automatic repeat request
- the RLC layer may perform, for example, concatenation, segmentation, or reassembly of data, and order check, rearrangement, or redundancy check of data.
- the PDCP layer may perform, for example, operations related to ciphering and data integrity of control messages and user data.
- 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, for example, 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, for example, radio bearer setup, paging, or control data related to mobility management.
- the NAS may, for example, process control messages related to authentication, registration, and mobility management.
- FIG. 4 is a diagram illustrating an electronic device and a cellular network according to various embodiments of the present invention.
- the cellular network 400 includes a first node (eg, the NR base station 350 of FIG. 3) 410 and a second node (eg, the NR base station 350 of FIG. 3) ( 420) and/or a third node (eg, NR base station 350 of FIG. 3) 430.
- the first node 410 may be a base station supporting first cellular communication.
- the first cellular communication is any one communication method among various cellular communication methods supportable by the electronic device 500, and may refer to, for example, a communication method on the second cellular network 294 of FIG. 2 .
- the first cellular communication may be any one of 5G mobile communication methods (eg, a communication method using FR1, which is a band of 6 GHz or less, and a communication method using FR2, which is a frequency band of 6 GHz or higher).
- the first node 410 may be a node that outputs a signal of a first frequency band (eg, a frequency band of 6 GHz or higher).
- the second node 420 may be a base station supporting first cellular communication.
- the third node 430 may be a base station supporting first cellular communication.
- the electronic device 500 is connected to the first node 410 .
- the electronic device 500 may change the connected node due to various reasons. According to an embodiment, the electronic device 500 may receive an RRC reconfiguration message (radio resource control reconfiguration message) while connected to the first node 410 .
- RRC reconfiguration message radio resource control reconfiguration message
- the RRC reconfiguration message includes information about a node adjacent to the electronic device 500 (or a node adjacent to the first node 410) (eg, the second node 420 and/or the third node 430). can do.
- Information about nodes adjacent to the electronic device 500 may include conditional handover information.
- the conditional handover information is a measurement object (measObject) related to the second node 420 and/or the third node 430, which are nodes adjacent to the electronic device 500 (or adjacent to the first node 410). ) and/or information related to a specified condition (or report object) of the measurement result.
- the measurement target may include information required for the electronic device 500 to perform measurement, and frequency band information (eg, channel information) and/or frequency band for performing node search and quality measurement of the searched node. It may include identification information (eg, physical cell ID) of a node outputting a signal of a frequency band included in the information.
- the specified condition is a condition for reporting the measured quality, and is an event related to reporting the quality (e.g.
- A3 event which may be a condition in which the signal strength of an adjacent node is higher than a specific value than the signal strength of a connected node;
- Identification information of an A5 event which may be a condition in which the signal strength is less than the specified magnitude and the signal strength of the adjacent node is greater than the specified magnitude, the specified value (threshold) related to the quality of the signal transmitted by the node, and/or the quality and It may include the time to maintain the satisfaction of the related conditions (time to trigger, TTT).
- the electronic device 500 while connected to the first node 410, transmits data transmitted by the second node 420 based on node identification information included in the conditional handover information.
- the quality of the signal and/or the quality of the signal transmitted by the third node 430 may be measured.
- the electronic device 500 may measure the quality of the searched node after completing the node search based on the identification information of the node.
- the electronic device 500 measures the quality (eg, reference signal received power (RSRP) or reference signal received quality (RSRQ)) of a signal broadcast by the searched node, and if the measurement result satisfies a specified condition, the measurement result
- RSRP reference signal received power
- RSRQ reference signal received quality
- a report message including may be transmitted to the connected node.
- the report message may include a quality measurement result, identification information of the measured node (eg, physical cell ID), and/or identification information of information included in a signal transmitted by the measured node (eg, synchronization signal block (SSB)).
- SSB synchronization signal block
- the electronic device 500 In response to the measured quality satisfying the specified condition included in the conditional handover information, the electronic device 500 disconnects from the first node 410 and connects to the node that satisfies the condition (or handover). In response to the measured quality satisfying the specified condition included in the conditional handover information, the electronic device 500 connects the node that satisfies the specified condition without transmitting a report message including the measurement result to the connected node. It can be performed (or handed over).
- a plurality of nodes may satisfy specified conditions included in the conditional handover information.
- the method for selecting a node to perform handover among the plurality of nodes is only described as an implementation matter of the electronic device 500, and a specific method for selecting is not disclosed.
- an embodiment of an operation for allowing the electronic device 500 to connect to a node capable of improving the quality of first communication through conditional handover will be described.
- FIG. 5 is a diagram illustrating an electronic device according to various embodiments of the present disclosure.
- an electronic device eg, the electronic device 101 of FIG. 1
- a communication circuit eg, a wireless communication module of FIG. 1
- a processor processing circuitry
- a memory eg, the memory 130 of FIG. 1 530 may be included.
- Processor 520 may be operatively coupled with communication circuitry 510 and/or memory 530 .
- the processor 520 may control components of the electronic device 500 .
- the processor 520 may control components of the electronic device 500 according to one or more instructions stored in the memory 530 .
- the communication circuit 510 communicates with an external electronic device (eg, the external electronic device 104 of FIG. 1 ) through at least one network (eg, the legacy network 392 or the 5G network 394 of FIG. 3 ).
- device 500 may be provided.
- the communication circuit 510 based on the control of the communication processor 520, a first node (eg, the first node 410 of FIG. 4), a second node (eg, the second node of FIG. 4) Node 420) and/or a third node (eg, the third node 430 of FIG. 4) may support communication between the electronic device 400 and the external electronic device 104.
- the processor 520 may include various processing circuits, and may control the communication circuit 510 to perform a connection procedure with a specific node (eg, the first node 410) in order to perform the first communication. .
- the processor 520 may receive an RRC reconfiguration message from the first node 410 during a connection operation with the first node 410 or while connected to the first node 410 .
- the RRC reconfiguration message includes information about a node adjacent to the electronic device 500 (or a node adjacent to the first node 410) (eg, the second node 420 and/or the third node 430). can do.
- Information about nodes adjacent to the electronic device 500 may include conditional handover information.
- the conditional handover information is a measurement object (measObject) related to the second node 420 and/or the third node 430, which are nodes adjacent to the electronic device 500 (or adjacent to the first node 410). ) and/or information related to a specified condition (or report object) of the measurement result.
- the measurement target is information required for the electronic device 500 to perform measurement, and includes frequency band information (eg, channel information) and/or frequency band information for performing node search and quality measurement of the searched node. It may include identification information (eg, physical cell ID) of a node that outputs a signal of a frequency band.
- the specified condition is a condition for reporting the measured quality, and is an event related to reporting the quality (e.g. A3 event, a condition in which the signal strength of an adjacent node is higher than a specific value than the signal strength of a connected node, and the signal strength of a connected node).
- Identification information of A5 event which is a condition in which the intensity is less than the specified magnitude and the signal intensity of the adjacent node is greater than the specified magnitude
- the specified value (threshold) related to the quality of the signal transmitted by the node and/or the satisfaction of the quality related condition may include a time to trigger (TTT).
- TTT time to trigger
- the processor 520 while connected to the first node 410, transmits a node adjacent to the electronic device 500 included in the conditional handover information (eg, the second node 420 and/or the third node 430). )) can measure the quality of the signal transmitted and check whether the quality of the measured signal satisfies a specified condition.
- the processor 520 may measure the quality of a signal by using the communication circuit 510 capable of both transmitting and receiving signals in order to increase the headroom of the signal output by the electronic device 500. .
- the processor 520 receives a signal transmitted (or broadcasted) by the second node 420 based on the identification information of the second node 420 included in the conditional handover information. and control the communication circuit 510 to measure the quality of the signal.
- the processor 520 may check whether the quality of the signal of the second node 420 satisfies a specified condition.
- a specified condition may be included in conditional handover information.
- the processor 520 confirms that the quality of the signal of the second node 420 is equal to or greater than the signal strength of the connected node (eg, the first node 410) by a specified magnitude (eg, A3 offset).
- the processor 520 determines that the signal quality of the connected node (eg, the first node 410) is equal to or less than a specified value (eg, A5 threshold 1), and the signal quality of the second node 420 Corresponding to confirming that is greater than or equal to a specified value (eg, A5 threshold 2), it may be determined that the signal quality of the second node 420 satisfies a specified condition (eg, A5 event).
- a specified condition eg, A3 event.
- the processor 520 determines that the signal quality of the connected node (eg, the first node 410) is equal to or less than a specified value (eg, A5 threshold 1), and the signal quality of the second node 420 Corresponding to confirming that is greater than or equal to a specified value (eg, A5 threshold 2), it may be determined that the signal quality of the second node 420 satisfies a specified condition (eg, A5 event).
- the processor 520 receives a signal transmitted (or broadcasted) by the third node 430 based on the identification information of the third node 430 included in the conditional handover information. and control the communication circuit 510 to measure the quality of the signal.
- the processor 520 may check whether the signal quality of the third node 430 satisfies a specified condition.
- a specified condition may be included in conditional handover information.
- the processor 520 confirms that the quality of the signal of the third node 430 is equal to or greater than the signal strength of the connected node (eg, the first node 410) by a specified magnitude (eg, A3 offset).
- the processor 520 determines that the signal quality of the connected node (eg, the first node 410) is equal to or less than a specified value (eg, A5 threshold 1), and the signal quality of the third node 430 Corresponding to confirming that the signal quality of the third node 430 is greater than or equal to a specified value (eg, A5 threshold 2), it may be determined that the signal quality of the third node 430 satisfies a specified condition (eg, A5 event).
- a specified condition eg, A3 event.
- the processor 520 determines that the signal quality of the connected node (eg, the first node 410) is equal to or less than a specified value (eg, A5 threshold 1), and the signal quality of the third node 430
- a specified value eg, A5 threshold 2
- a plurality of nodes may satisfy specified conditions included in the conditional handover information.
- the processor 520 may create a table based on information on nodes satisfying specified conditions and the type of service used by the electronic device 500 .
- the table may include data used to determine a node to perform handover.
- Node information may be included in conditional handover information and may include information related to node performance.
- the node information may include information indicating whether the second node 420 and/or the third node 430 support dynamic spectrum sharing (DSS), and the second node 420 and/or the second node 420 and/or the third node 430.
- DSS dynamic spectrum sharing
- Information indicating the frequency band of the signal transmitted and/or received by the node 430 (band information), maximum modulation order supported by the second node 420 and/or the third node 430 information indicating, the number of layers of maximum multiple input multi output (MIMO) supported by the second node 420 and/or the third node 430, the second node 420 and/or the third node 430
- Information indicating the size of time allocation resource (time allocation resource) of PDSCH (physical downlink shared channel) of : EN-DC, NR-DC) may mean information indicating whether or not to support.
- the processor 520 may create the table differently according to the type of service being used by the electronic device 500 .
- the processor 520 may select information to be included in the table among information on nodes according to the type of service being used by the electronic device 500 and create a table based on the selected information.
- the processor 520 may select information capable of improving the quality of a service being used.
- the processor 520 may create a table by referring to information in which a type of service stored in the memory 530 and information necessary to create the table are mapped. Mapped information may be implemented in the form of Table 1 below.
- Information to be included in the table may include information for improving the quality of service used by the electronic device 500 .
- the processor 520 based on the information indicating the frequency band of the signal transmitted and / or received by the second node 420 and / or the third node 430 included in the information of the nodes (band information), It may be checked whether the second node 420 and/or the third node 430 support higher order received diversity (HoRXD).
- the processor 520 checks whether the second node 420 and/or the third node 430 support HoRXD based on data in which the frequency band stored in the memory 530 and whether or not HoRXD is supported are mapped. can
- VoNR Information indicating whether DSS is supported
- Information indicating whether HoRXD is supported Data transfer (eMBB)
- Information indicating whether DSS is supported
- Modulation order information Information indicating the maximum number of MIMO layers
- the processor 520 in response to confirming that the currently used service is voice over NR (VoNR), among information of nodes, information indicating whether DSS is supported and/or whether HoRXD is supported You can select information as data to include in a table and create a table.
- a table generated by the processor 520 may be implemented as shown in Table 2 below.
- Information to be included in the table may include information for improving the quality of service used by the electronic device 500 .
- DSS is a technology in which a frequency band allocated to first cellular communication and a frequency band allocated to second cellular communication can be dynamically changed while at least partially overlapping or included.
- quality of the first cellular communication may be degraded due to interference caused by a signal of the second cellular communication.
- the electronic device 500 connects to a node that does not support DSS (eg, the third node 430)
- the electronic device 500 connects to a node that supports DSS (eg, the second node 420). Compared to doing so, it can guarantee a relatively high quality of service.
- HoRxD may mean a diversity reception method capable of exhibiting high performance in performing diversity reception.
- the electronic device 500 connects to a node that supports HoRxD (eg, the second node 420), the electronic device 500 connects to a node that does not support HoRxD (eg, the third node 430). Higher quality of service can be guaranteed.
- the processor 520 in response to confirming that the currently used service is eMBB, includes information indicating whether DSS is supported, modulation order information, and/or maximum number of MIMO layers among information on nodes. You can select information as data to include in a table and create a table.
- a table generated by the processor 520 may be implemented as shown in Table 3 below.
- Information to be included in the table may include information for improving the quality of service used by the electronic device 500 .
- DSS is a technology in which a frequency band allocated to first cellular communication and a frequency band allocated to second cellular communication can be dynamically changed, and the electronic device 500 that performs first cellular communication through a node supporting DSS , quality of the first cellular communication may be degraded due to interference by a signal of the second cellular communication.
- the electronic device 500 connects to a node that does not support DSS (eg, the third node 430), the electronic device 500 connects to a node that supports DSS (eg, the second node 420). Compared to doing so, it can guarantee a relatively high quality of service.
- the modulation order information may include a maximum value of a modulation order of a method for performing data modulation (eg, quadrature amplitude modulation (QAM)).
- QAM quadrature amplitude modulation
- the electronic device 500 connects to a node supporting a higher modulation order (eg, the second node 420), the electronic device 500 connects to a node supporting a lower modulation order (eg, the third node 430).
- the maximum number of MIMO layers is the number of layers maximally supported by the second node 420 and/or the third node 430, and the layer may mean the number of signals that can be simultaneously transmitted.
- a situation in which the electronic device 500 connects to a node having a higher maximum number of layers is a node having a relatively low number of layers (eg, the third node 430) It is possible to guarantee a relatively high transmission speed compared to the electronic device being connected to the .
- the processor 520 may include information (band) indicating a frequency band of a signal transmitted and/or received by the second node 420 and/or the third node 430 included in the node information. Information), the number of reception bands supported by the second node 420 and/or the third node 430 may be confirmed. In response to confirming that the service currently in use is a service requiring a high reception speed, the processor 520 sets the number of reception bands of the second node 420 and/or the third node 430 as data to be included in the table. You can select and create tables. A table generated by the processor 520 may be implemented as shown in Table 4 below.
- Information to be included in the table may include information for improving the quality of service used by the electronic device 500 .
- the electronic device 500 can realize a higher reception rate.
- a situation in which the electronic device 500 connects to a node (eg, the second node 420) having a relatively large number of reception bands (eg, 4) has a relatively small number of reception bands (eg, 2).
- a node eg, the third node 430
- the processor 520 may include information indicating the size of time allocation resources of the PDSCH in a table.
- the size of the time allocation resource of the PDSCH may be implemented in units of symbols.
- the size of the time allocation resource of the PDSCH may include the number of symbols that can be allocated to the PDSCH among 14 symbols corresponding to one subframe. As the size of the time allocation resource of the PDSCH increases, the size of data that can be transmitted through the PDSCH increases, so data throughput performance can be improved.
- the processor 520 may include information indicating whether the second node 420 and/or the third node 430 support CA or support dual connectivity in the table.
- the bandwidth is smaller than the bandwidth used before being handed over (eg, total bandwidth).
- Data throughput may be reduced by using , and data throughput may be improved by the electronic device 500 performing handover to CA or another node supporting dual connectivity.
- the processor 520 may determine (or select) a node to perform handover based on a table generated based on information on nodes and service types.
- the processor 520 may determine a node to perform handover with reference to the table shown in Table 2.
- the processor 520 may determine a node to perform handover based on the priority (or weight) of information included in the table.
- information included in the table may have different priorities. Whether or not DSS is supported may have a higher priority than whether or not HoRxD is supported.
- the processor 520 may determine the third node 430 that does not support DSS as a node to perform handover based on information corresponding to a higher priority among information included in the table (eg, whether DSS is supported). . Whether or not HoRxD is supported may have a higher priority than whether or not DSS is supported.
- the processor 520 may determine the second node 420 supporting HoRxD as a node to perform the handover based on information corresponding to a higher priority among information included in the table (eg, whether or not HoRxD is supported).
- information included in the table may have different weights.
- DSS support may have a higher weight than HoRxD support (eg, DSS support: 0.7, HoRxD support: 0.3).
- the processor 520 may determine a node to perform handover based on information and weights included in the table.
- the processor 520 may determine the third node 430 not supporting DSS as a node to perform handover.
- the processor 520 may determine a node to perform handover with reference to the table shown in Table 3.
- the processor 520 may determine a node to perform handover based on the priority (or weight) of information included in the table.
- information included in the table may have different priorities. Whether or not DSS is supported may have a higher priority than the maximum modulation order, and the maximum modulation order may have a higher priority than the maximum MIMO layer.
- the processor 520 may determine the third node 430 that does not support DSS as a node to perform handover based on information corresponding to a higher priority among information included in the table (eg, whether DSS is supported). . Priority may be set differently according to the type of service.
- DSS support may have a higher weight than the maximum modulation order information (eg, DSS support: 0.6, maximum modulation order: 0.3), and the maximum modulation order information may have a higher weight than the maximum number of MIMO layers (eg, maximum modulation degree: 0.3, maximum number of MIMO layers: 0.1).
- the processor 520 may determine a node to perform handover based on information and weights included in the table.
- the processor 520 may determine the third node 430 as a node to perform handover.
- the processor 520 may not be able to determine a node to perform handover by referring to the table. For example, the processor 520 may check that the second node 420 and the third node 430 have the same performance by referring to the table. The processor 520 may determine a node to perform conditional handover by adding additional information to the table. For example, the processor 520 may refer to a table corresponding to Table 3 to add additional information to the table when the node to perform the conditional handover is not determined. A table updated by the processor 520 may be implemented as shown in Table 5 below.
- the processor 520 may determine a node to perform conditional handover using the updated table.
- the processor 520 has a relatively large number of reception bands.
- the second node 420 which is a node, may be determined as a node to perform conditional handover.
- the processor 520 may determine a node to perform conditional handover based on signal quality without generating a table.
- the processor 520 measures signal quality of nodes adjacent to the electronic device 500, and when the measured quality condition satisfies a specified condition, the processor 520 determines a node that satisfies the specified condition as a node to perform handover.
- the processor 520 measures the signal quality of a plurality of nodes, and the signal quality of one node among the plurality of nodes is higher than the signal quality of another node by a specified size (eg, 3 dB) or more.
- a node having the best signal quality may be determined as a node to perform handover.
- the processor 520 may perform a connection with the determined node.
- the processor 520 may update (or recreate) the table according to a change in the service being used by the electronic device 500 .
- the processor 520 creates a table based on the changed service type and information on nodes included in the RRC reconfiguration message received from the handed-over node, and selects a node to perform conditional handover again based on the table.
- FIG. 6 is a diagram illustrating an example of selecting a node to be connected based on node information according to various embodiments of the present invention.
- the first node (eg, the first node 410 of FIG. 4 ) transmits an RRC reconfiguration message to an electronic device (eg, the electronic device 500 of FIG. 4 ) connected to the first node 410 .
- an electronic device eg, the electronic device 500 of FIG. 4
- the RRC reconfiguration message includes information about a node adjacent to the electronic device 500 (or a node adjacent to the first node 410) (eg, the second node 420 and/or the third node 430). can do.
- Information about nodes adjacent to the electronic device 500 may include conditional handover information.
- the conditional handover information is a measurement object (measObject) related to the second node 420 and/or the third node 430, which are nodes adjacent to the electronic device 500 (or adjacent to the first node 410). ) and/or information related to a specified condition (or report object) of the measurement result.
- the measurement target is information required for the electronic device 500 to perform measurement, and includes frequency band information (eg, channel information) and/or frequency band information for performing node search and quality measurement of the searched node. It may include identification information (eg, physical cell ID) of a node that outputs a signal of a frequency band.
- the specified condition is a condition for reporting the measured quality, and is an event related to reporting the quality (e.g. A3 event, a condition in which the signal strength of an adjacent node is higher than a specific value than the signal strength of a connected node, and the signal strength of a connected node).
- Identification information of A5 event which is a condition in which the intensity is less than the specified magnitude and the signal intensity of the adjacent node is greater than the specified magnitude
- the specified value (threshold) related to the quality of the signal transmitted by the node and/or the satisfaction of the quality related condition may include a time to trigger (TTT).
- TTT time to trigger
- the electronic device 500 may check a node that satisfies a specified condition based on node information.
- the electronic device 500 while connected to the first node 410, is a node adjacent to the electronic device 500 included in the conditional handover information (eg, the second node 420 and/or the third node ( 430)) may measure the quality of the signal transmitted and check whether the quality of the measured signal satisfies a specified condition.
- the conditional handover information eg, the second node 420 and/or the third node ( 430)
- the designated condition may be a condition related to the quality of a signal transmitted by a node.
- a plurality of nodes may satisfy specified conditions included in the conditional handover information. In FIG. 6 , for convenience of description, it is assumed that both the second node 420 and the third node 430 satisfy specified conditions included in the conditional handover information.
- the electronic device 500 may create a table based on information on nodes satisfying specified conditions and the type of service used by the electronic device 500 .
- the table may include data used to determine a node to perform handover.
- Node information may be included in conditional handover information and may include information related to node performance.
- the node information may include information indicating whether the second node 420 and/or the third node 430 support dynamic spectrum sharing (DSS), and the second node 420 and/or the second node 420 and/or the third node 430.
- DSS dynamic spectrum sharing
- CA carrier aggregation
- dual connectivity eg, EN- DC, NR-DC
- the electronic device 500 may create the table differently according to the type of service being used by the electronic device 500 .
- the electronic device 500 may select information to be included in the table among information on nodes according to the type of service being used by the electronic device 500 and create a table based on the selected information.
- the electronic device 500 may select information capable of improving the quality of a service being used.
- the electronic device 500 may create a table by referring to information in which a type of service stored in the memory 530 and information necessary to create the table are mapped. Information to be included in the table may include information for improving the quality of service used by the electronic device 500 .
- the electronic device 500 may select a node to connect to based on the table.
- the electronic device 500 may determine a node to perform handover by referring to the table.
- the processor 520 may determine a node to perform handover based on the priority (or weight) of information included in the table.
- the electronic device 500 may select the second node 420 as a node to perform handover by referring to the table.
- the electronic device 500 may perform a connection procedure with the selected node (eg, the second node 420).
- the electronic device 500 In response to determining a node to perform handover, the electronic device 500 does not transmit a report message including a quality measurement result of a signal transmitted by the determined node to a connected node (eg, the first node 410). Instead, a handover procedure may be performed with the selected node (eg, the second node 420).
- An electronic device includes a memory; a communication circuit that transmits/receives data with the network; And a communication processor, wherein the communication processor checks information on nodes adjacent to the electronic device included in a radio resource control reconfiguration message received from the network, and satisfies a specified condition among the nodes. At least one node may be identified, and a node to be connected may be selected based on a table generated based on information on nodes satisfying the specified condition and a type of service used by the electronic device.
- the table may be differently created based on the type of service.
- the communication processor may be configured to select information to be included in the table among information of the nodes based on the type of service.
- the communication processor may be set to select the node to be connected based on the priority of information included in the table.
- the priority may be set differently based on the type of service.
- the communication processor may be configured to regenerate the table based on the type of the changed service in response to detecting that a service used by the electronic device is changed.
- the communication processor responds to confirming that the quality of a signal transmitted by a first node among the nodes is higher than the quality of signals transmitted by other nodes by a specified magnitude or more, It may be configured to perform a connection between the first node and the electronic device.
- An electronic device includes a memory; a communication circuit that transmits/receives data with the network; And a communication processor, wherein the communication processor checks information on nodes adjacent to the electronic device included in a radio resource control reconfiguration message received from the network, and satisfies a specified condition among the nodes.
- Check at least one node check whether the quality of a signal transmitted by a first node among the nodes is higher than the quality of signals transmitted by other nodes by a specified level or more, and determine whether the quality of a signal transmitted by the first node Based on the confirmation that the quality of the signal transmitted by the other nodes is higher than the quality of the signal transmitted by the other nodes by a specified size or more, the connection between the first node and the electronic device is performed, and the nodes having different quality of the signal transmitted by the first node It may be set to select a node to be connected based on a table generated based on the type of service used by the electronic device and information on nodes satisfying the specified condition based on the quality of the transmitted signal being less than or equal to a specified size. there is.
- the table may be created differently according to the type of service.
- the communication processor may be configured to select information to be included in the table among information of the nodes based on the type of service.
- the communication processor may be configured to select the node to be connected to based on the priority of information on nodes included in the table.
- the priority may be set differently according to the type of service.
- the communication processor may be configured to regenerate the table based on the type of the changed service in response to detecting that a service used by the electronic device is changed.
- FIG. 7 is an operation flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure.
- the electronic device may check the information of neighboring nodes included in the RRC reconfiguration message.
- the RRC reconfiguration message includes information about a node adjacent to the electronic device 500 (or a node adjacent to the first node 410) (eg, the second node 420 and/or the third node 430). can do.
- Information about nodes adjacent to the electronic device 500 may include conditional handover information.
- the conditional handover information is a measurement object (measObject) related to the second node 420 and/or the third node 430, which are nodes adjacent to the electronic device 500 (or adjacent to the first node 410). ) and/or information related to a specified condition (or report object) of the measurement result.
- the measurement target is information required for the electronic device 500 to perform measurement, and includes frequency band information (eg, channel information) and/or frequency band information for performing node search and quality measurement of the searched node. It may include identification information (eg, physical cell ID) of a node that outputs a signal of a frequency band.
- the specified condition is a condition for reporting the measured quality, and is an event related to reporting the quality (e.g. A3 event, a condition in which the signal strength of an adjacent node is higher than a specific value than the signal strength of a connected node, and the signal strength of a connected node).
- Identification information of A5 event which is a condition in which the intensity is less than the specified magnitude and the signal intensity of the adjacent node is greater than the specified magnitude
- the specified value (threshold) related to the quality of the signal transmitted by the node and/or the satisfaction of the quality related condition may include a time to trigger (TTT).
- TTT time to trigger
- Node information may be included in conditional handover information and may include information related to node performance.
- the node information may include information indicating whether the second node 420 and/or the third node 430 support dynamic spectrum sharing (DSS), and the second node 420 and/or the second node 420 and/or the third node 430.
- DSS dynamic spectrum sharing
- CA carrier aggregation
- dual connectivity eg, EN- DC, NR-DC
- the electronic device 500 may check a node that satisfies a specified condition among nodes.
- the designated condition is a condition included in the conditional handover information and may be a condition related to signal quality.
- the electronic device 500 while connected to the first node 410, is a node adjacent to the electronic device 500 included in the conditional handover information (eg, the second node 420 and/or the third node ( 430)) may measure the quality of the signal transmitted and check whether the quality of the measured signal satisfies a specified condition.
- the processor 520 receives a signal transmitted (or broadcasted) by the second node 420 based on the identification information of the second node 420 included in the conditional handover information. and control the communication circuit 510 to measure the quality of the signal.
- the processor 520 may check whether the quality of the signal of the second node 420 satisfies a specified condition.
- a specified condition may be included in conditional handover information.
- the processor 520 confirms that the quality of the signal of the second node 420 is equal to or greater than the signal strength of the connected node (eg, the first node 410) by a specified magnitude (eg, A3 offset).
- the processor 520 determines that the signal quality of the connected node (eg, the first node 410) is equal to or less than a specified value (eg, A5 threshold 1), and the signal quality of the second node 420 Corresponding to confirming that is greater than or equal to a specified value (eg, A5 threshold 2), it may be determined that the signal quality of the second node 420 satisfies a specified condition (eg, A5 event).
- a specified condition eg, A3 event.
- the processor 520 determines that the signal quality of the connected node (eg, the first node 410) is equal to or less than a specified value (eg, A5 threshold 1), and the signal quality of the second node 420 Corresponding to confirming that is greater than or equal to a specified value (eg, A5 threshold 2), it may be determined that the signal quality of the second node 420 satisfies a specified condition (eg, A5 event).
- the electronic device 500 transmits (or broadcasts) a signal from the third node 430 based on the identification information of the third node 430 included in the conditional handover information.
- the communication circuit 510 may be controlled to receive and measure the quality of the signal.
- the electronic device 500 may check whether the signal quality of the third node 430 satisfies a specified condition.
- a specified condition may be included in conditional handover information. For example, the electronic device 500 determines that the quality of the signal of the third node 430 is equal to or greater than the signal strength of the connected node (eg, the first node 410) by a specified magnitude (eg, A3 offset).
- the electronic device 500 determines that the signal quality of the connected node (eg, the first node 410) is equal to or less than a specified value (eg, A5 threshold 1), and the signal quality of the third node 430 In response to confirming that the quality is higher than a specified value (eg, A5 threshold 2), it may be determined that the signal quality of the third node 430 satisfies a specified condition (eg, A5 event).
- a specified condition eg, A3 event.
- the electronic device 500 determines that the signal quality of the connected node (eg, the first node 410) is equal to or less than a specified value (eg, A5 threshold 1), and the signal quality of the third node 430
- a specified condition eg, A5 event
- the electronic device 500 may select a node to be connected by referring to a table generated based on information and service types of nodes satisfying specified conditions (eg, based on the table).
- the electronic device 500 may create a table based on information on nodes satisfying specified conditions and the type of service used by the electronic device 500 .
- the table may include data used to determine a node to perform handover.
- the electronic device 500 may create the table differently according to the type of service being used by the electronic device 500 .
- the electronic device 500 may select information to be included in the table among information on nodes according to the type of service being used by the electronic device 500 and create a table based on the selected information.
- the electronic device 500 may select information capable of improving the quality of a service being used.
- the electronic device 500 may create a table by referring to information in which a type of service stored in the memory 530 and information necessary to create the table are mapped. Information to be included in the table may include information for improving the quality of service used by the electronic device 500 .
- the electronic device 500 may determine (or select) a node to perform a handover based on a table generated based on node information and service types.
- the electronic device 500 may determine a node to perform handover based on the priority (or weight) of information included in the table.
- the electronic device 500 may perform a connection procedure with the selected node (eg, the second node 420) (eg, operation 640).
- the electronic device 500 does not transmit a report message including a quality measurement result of a signal transmitted by the determined node to a connected node (eg, the first node 410). Instead, a connection procedure may be performed with the selected node (eg, the second node 420).
- FIG. 8 is an operation flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure.
- the electronic device (eg, the electronic device 500 of FIG. 5 ), in operation 810, may check the information of neighboring nodes included in the RRC reconfiguration message.
- the RRC reconfiguration message includes information about a node adjacent to the electronic device 500 (or a node adjacent to the first node 410) (eg, the second node 420 and/or the third node 430). can do.
- Information about nodes adjacent to the electronic device 500 may include conditional handover information.
- the conditional handover information is a measurement object (measObject) related to the second node 420 and/or the third node 430, which are nodes adjacent to the electronic device 500 (or adjacent to the first node 410). ) and/or information related to a specified condition (or report object) of the measurement result.
- the measurement target is information required for the electronic device 500 to perform measurement, and includes frequency band information (eg, channel information) and/or frequency band information for performing node search and quality measurement of the searched node. It may include identification information (eg, physical cell ID) of a node that outputs a signal of a frequency band.
- the specified condition is a condition for reporting the measured quality, and is an event related to reporting the quality (e.g. A3 event, a condition in which the signal strength of an adjacent node is higher than a specific value than the signal strength of a connected node, and the signal strength of a connected node).
- Identification information of A5 event which is a condition in which the intensity is less than the specified magnitude and the signal intensity of the adjacent node is greater than the specified magnitude
- the specified value (threshold) related to the quality of the signal transmitted by the node and/or the satisfaction of the quality related condition may include a time to trigger (TTT).
- TTT time to trigger
- Node information may be included in conditional handover information and may include information related to node performance.
- the node information may include information indicating whether the second node 420 and/or the third node 430 support dynamic spectrum sharing (DSS), and the second node 420 and/or the second node 420 and/or the third node 430.
- DSS dynamic spectrum sharing
- CA carrier aggregation
- dual connectivity eg, EN- DC, NR-DC
- the electronic device 500 may check a node that satisfies a specified condition among nodes.
- the designated condition is a condition included in the conditional handover information and may be a condition related to signal quality.
- the electronic device 500 while connected to the first node 410, is a node adjacent to the electronic device 500 included in the conditional handover information (eg, the second node 420 and/or the third node ( 430)) may measure the quality of the signal transmitted and check whether the quality of the measured signal satisfies a specified condition.
- the processor 520 receives a signal transmitted (or broadcasted) by the second node 420 based on the identification information of the second node 420 included in the conditional handover information. and control the communication circuit 510 to measure the quality of the signal.
- the processor 520 may check whether the quality of the signal of the second node 420 satisfies a specified condition.
- a specified condition may be included in conditional handover information.
- the processor 520 confirms that the quality of the signal of the second node 420 is equal to or greater than the signal strength of the connected node (eg, the first node 410) by a specified magnitude (eg, A3 offset).
- the processor 520 determines that the signal quality of the connected node (eg, the first node 410) is equal to or less than a specified value (eg, A5 threshold 1), and the signal quality of the second node 420 Corresponding to confirming that is greater than or equal to a specified value (eg, A5 threshold 2), it may be determined that the signal quality of the second node 420 satisfies a specified condition (eg, A5 event).
- a specified condition eg, A3 event.
- the processor 520 determines that the signal quality of the connected node (eg, the first node 410) is equal to or less than a specified value (eg, A5 threshold 1), and the signal quality of the second node 420 Corresponding to confirming that is greater than or equal to a specified value (eg, A5 threshold 2), it may be determined that the signal quality of the second node 420 satisfies a specified condition (eg, A5 event).
- the electronic device 500 transmits (or broadcasts) a signal from the third node 430 based on the identification information of the third node 430 included in the conditional handover information.
- the communication circuit 510 may be controlled to receive and measure the quality of the signal.
- the electronic device 500 may check whether the signal quality of the third node 430 satisfies a specified condition.
- a specified condition may be included in conditional handover information. For example, the electronic device 500 determines that the quality of the signal of the third node 430 is equal to or greater than the signal strength of the connected node (eg, the first node 410) by a specified magnitude (eg, A3 offset).
- the electronic device 500 determines that the signal quality of the connected node (eg, the first node 410) is equal to or less than a specified value (eg, A5 threshold 1), and the signal quality of the third node 430 In response to confirming that the quality is higher than a specified value (eg, A5 threshold 2), it may be determined that the signal quality of the third node 430 satisfies a specified condition (eg, A5 event).
- a specified condition eg, A3 event.
- the electronic device 500 determines that the signal quality of the connected node (eg, the first node 410) is equal to or less than a specified value (eg, A5 threshold 1), and the signal quality of the third node 430
- a specified condition eg, A5 event
- the electronic device 500 may check whether the quality of a signal transmitted by one node among a plurality of nodes is greater than or equal to a specified level (eg, 3dB) than the quality of signals transmitted by other nodes. .
- a specified level eg, 3dB
- the electronic device 500 confirms that the signal quality of one node among the plurality of nodes is higher than the signal quality of another node by a specified level (operation 830-Y).
- a node having the best quality may be determined as a node to perform handover, and connection may be performed with the determined node.
- the electronic device 500 confirms that the signal quality of one node among the plurality of nodes is not higher than the signal quality of another node by a specified level (operation 830-N).
- a node to be connected may be selected by referring to a table generated based on information and service types of nodes satisfying conditions.
- the electronic device 500 may create a table based on information on nodes satisfying specified conditions and the type of service used by the electronic device 500 .
- the table may include data used to determine a node to perform handover.
- the electronic device 500 may create the table differently according to the type of service being used by the electronic device 500 .
- the electronic device 500 may select information to be included in the table among information on nodes according to the type of service being used by the electronic device 500 and create a table based on the selected information.
- the electronic device 500 may select information capable of improving the quality of a service being used.
- the electronic device 500 may create a table by referring to information in which a type of service stored in the memory 530 and information necessary to create the table are mapped. Information to be included in the table may include information for improving the quality of service used by the electronic device 500 .
- the electronic device 500 may determine (or select) a node to perform a handover based on a table generated based on node information and service types.
- the electronic device 500 may determine a node to perform handover based on the priority (or weight) of information included in the table.
- the electronic device 500 may perform a connection procedure with the selected node (eg, the second node 420) (eg, operation 640).
- the electronic device 500 does not transmit a report message including a quality measurement result of a signal transmitted by the determined node to a connected node (eg, the first node 410). Without it, a connection procedure may be performed with the selected node (eg, the second node 420).
- An operating method of an electronic device includes checking information on nodes adjacent to the electronic device included in a radio resource control reconfiguration message received from a network; checking at least one node among the nodes that satisfies a specified condition; An operation of selecting a node to be connected based on a table generated based on information on nodes satisfying the specified condition and a type of service used by the electronic device.
- the table may be differently generated based on the type of service.
- An operating method of an electronic device includes selecting information to be included in the table among information of the nodes based on the type of the service; and generating the table based on the selected information.
- the operation of selecting the node to be connected may include an operation of selecting the node to be connected based on the priority of information included in the table.
- the priority may be set differently based on the type of service.
- the operating method of the electronic device may further include regenerating the table based on the type of the changed service in response to detecting that the service used by the electronic device is changed. .
- the first node in response to confirming that the quality of a signal transmitted by a first node among the nodes is higher than the quality of signals transmitted by other nodes by a specified size or more, the first node transmits the first node.
- An operation of performing a connection between node 1 and the electronic device may be further included.
- Electronic devices may be devices of various types.
- the electronic device may include, for example, a portable communication device (eg, a smart phone), a computer device, a portable multimedia device, a portable medical device, a camera, a wearable device, or a home appliance.
- a portable communication device eg, a smart phone
- a computer device e.g., a smart phone
- a portable multimedia device e.g., a portable medical device
- a camera e.g., a portable medical device
- a camera e.g., a portable medical device
- a camera e.g., a portable medical device
- a camera e.g., a camera
- a wearable device e.g., a smart bracelet
- first, second, or first or secondary may simply be used to distinguish a given component from other corresponding components, and may be used to refer to a given component in another aspect (eg, importance or order) is not limited.
- a (e.g., first) component is said to be “coupled” or “connected” to another (e.g., second) component, with or without the terms “functionally” or “communicatively.”
- the certain component may be connected to the other component directly (eg by wire), wirelessly, or through a third component.
- module used in various embodiments of this document may include a unit implemented in hardware, software, or firmware, and is interchangeable with terms such as, for example, logic, logical blocks, parts, or circuits.
- a module may be an integrally constructed component or a minimal unit of components or a portion thereof that performs one or more functions.
- the module may be implemented in the form of an application-specific integrated circuit (ASIC).
- ASIC application-specific integrated circuit
- a storage medium eg, internal memory 136 or external memory 138
- a machine eg, electronic device 101
- a processor eg, the processor 120
- a device eg, the electronic device 101
- the one or more instructions may include code generated by a compiler or code executable by an interpreter.
- the device-readable storage medium may be provided in the form of a non-transitory storage medium.
- the storage medium is a tangible device and does not contain a signal (e.g. electromagnetic wave), and this term refers to the case where data is stored semi-permanently in the storage medium. It does not discriminate when it is temporarily stored.
- a signal e.g. electromagnetic wave
- the method according to various embodiments disclosed in this document may be included and provided in a computer program product.
- Computer program products may be traded between sellers and buyers as commodities.
- a computer program product is distributed in the form of a device-readable storage medium (e.g. compact disc read only memory (CD-ROM)), or through an application store (e.g. Play StoreTM) or on two user devices (e.g. It can be distributed (eg downloaded or uploaded) online, directly between smart phones.
- a device-readable storage medium e.g. compact disc read only memory (CD-ROM)
- an application store e.g. Play StoreTM
- two user devices e.g. It can be distributed (eg downloaded or uploaded) online, directly between smart phones.
- at least part of the computer program product may be temporarily stored or temporarily created in a device-readable storage medium such as a manufacturer's server, an application store server, or a relay server's memory.
- each component (eg, module or program) of the above-described components may include a single object or a plurality of entities, and some of the plurality of entities may be separately disposed in other components. there is.
- one or more components or operations among the aforementioned corresponding components may be omitted, or one or more other components or operations may be added.
- a plurality of components eg modules or programs
- the integrated component may perform one or more functions of each of the plurality of components identically or similarly to those performed by a corresponding component of the plurality of components prior to the integration. .
- the actions performed by a module, program, or other component are executed sequentially, in parallel, iteratively, or heuristically, or one or more of the actions are executed in a different order, or omitted. or one or more other actions may be added.
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Abstract
Description
서비스 타입 | 선택할 정보 |
VoNR | DSS 지원 여부를 지시하는 정보 |
HoRXD 지원 여부를 지시하는 정보 | |
데이터 전송(eMBB) | DSS 지원 여부룰 지시하는 정보 |
변조 차수 정보 | |
최대 MIMO layer 개수를 지시하는 정보 |
지정된 조건을 만족하는 노드 | DSS 지원 여부를 지시하는 정보 | HoRXD 지원 여부를 지시하는 정보 |
제 2 노드(420) | 지원함 | 지원함 |
제 3 노드(430) | 지원하지 않음 | 지원하지 않음 |
지정된 조건을 만족하는 노드 | DSS 지원 여부를 지시하는 정보 | 변조 차수 정보 | 최대 MIMO layer 개수 |
제 2 노드(420) | 지원하지 않음 | 256QAM | 4 |
제 3 노드(430) | 지원함. | 64QAM | 2 |
지정된 조건을 만족하는 노드 | 수신 대역 및 수신 대역의 수 |
제 2 노드(420) | N66-4RX |
제 3 노드(430) | N71-2RX |
지정된 조건을 만족하는 노드 | DSS 지원 여부를 지시하는 정보 | 변조 차수 정보 | 최대 MIMO layer 개수 | 수신 대역 및 수신 대역의 수 |
제 2 노드(420) | 지원하지 않음 | 256QAM | 4 | N66-4RX |
제 3 노드(430) | 지원하지 않음. | 256QAM | 4 | N71-2RX |
Claims (15)
- 전자 장치에 있어서,메모리;네트워크와 데이터를 송/수신하는 통신 회로; 및커뮤니케이션 프로세서를 포함하고,상기 커뮤니케이션 프로세서는상기 네트워크로부터 수신한 RRC 재구성 메시지(RRC reconfiguration message)에 포함된 상기 전자 장치와 인접한 노드들의 정보를 확인하고,상기 노드들 중 지정된 조건을 만족하는 적어도 하나 이상의 노드를 확인하고,상기 지정된 조건을 만족하는 노드들의 정보 및 상기 전자 장치가 사용하는 서비스의 종류에 기반하여 생성된 테이블에 기반하여 연결할 노드를 선택하도록 설정된 전자 장치.
- 제 1 항에 있어서,상기 테이블은상기 서비스의 종류에 기반하여 다르게 생성되는 전자 장치.
- 제 2항에 있어서,상기 커뮤니케이션 프로세서는상기 노드들의 정보 중 상기 테이블에 포함될 정보를 상기 서비스의 종류에 기반하여 선택하도록 설정된 전자 장치.
- 제 3 항에 있어서,상기 커뮤니케이션 프로세서는상기 테이블에 포함된 정보들의 우선 순위에 기반하여 상기 연결할 노드를 선택하도록 설정된 전자 장치.
- 제 4항에 있어서,상기 우선 순위는상기 서비스의 종류에 기반하여 다르게 설정되는 전자 장치.
- 제 1 항에 있어서,상기 커뮤니케이션 프로세서는상기 전자 장치가 사용하는 서비스가 변경됨을 감지함에 대응하여, 상기 변경된 서비스의 종류에 기반하여 상기 테이블을 다시 생성하도록 설정된 전자 장치.
- 제 1항에 있어서,상기 커뮤니케이션 프로세서는상기 노드들 중 제 1 노드가 전송하는 신호의 품질이, 다른 노드들이 전송하는 신호의 품질보다 지정된 크기 이상 높음을 확인함에 기반하여, 상기 제 1 노드와 상기 전자 장치 사이의 연결을 수행하도록 설정된 전자 장치.
- 전자 장치에 있어서,메모리;네트워크와 데이터를 송/수신하는 통신 회로; 및커뮤니케이션 프로세서를 포함하고,상기 커뮤니케이션 프로세서는상기 네트워크로부터 수신한 RRC 재구성 메시지(RRC reconfiguration message)에 포함된 상기 전자 장치와 인접한 노드들의 정보를 확인하고,상기 노드들 중 지정된 조건을 만족하는 적어도 하나 이상의 노드를 확인하고,상기 노드들 중 제 1 노드가 전송하는 신호의 품질이, 다른 노드들이 전송하는 신호의 품질보다 지정된 크기 이상 높은지 여부를 확인하고,상기 제 1 노드가 전송하는 신호의 품질이 다른 노드들이 전송하는 신호의 품질보다 지정된 크기 이상 높음을 확인함에 대응하여, 상기 제 1 노드와 상기 전자 장치 사이의 연결을 수행하고,상기 제 1 노드가 전송하는 신호의 품질이 다른 노드들이 전송하는 신호의 품질보다 지정된 크기 이하인 경우, 상기 지정된 조건을 만족하는 노드들의 정보 및 상기 전자 장치가 사용하는 서비스의 종류에 기반하여 생성된 테이블에 기반하여 연결할 노드를 선택하도록 설정된 전자 장치.
- 제 8항에 있어서,상기 테이블은상기 서비스의 종류에 기반하여 다르게 생성되는 전자 장치.
- 제 9항에 있어서,상기 커뮤니케이션 프로세서는상기 노드들의 정보 중 상기 테이블에 포함될 정보를 상기 서비스의 종류에 기반하여 선택하도록 설정된 전자 장치.
- 제 10항에 있어서,상기 커뮤니케이션 프로세서는상기 테이블에 포함된 노드들의 정보의 우선 순위에 기반하여 상기 연결할 노드를 선택하도록 설정된 전자 장치.
- 제 11항에 있어서,상기 우선 순위는상기 서비스의 종류에 기반하여 다르게 설정되는 전자 장치.
- 제 8 항에 있어서,상기 커뮤니케이션 프로세서는상기 전자 장치가 사용하는 서비스가 변경됨을 감지함에 대응하여, 상기 변경된 서비스의 종류에 기반하여 상기 테이블을 다시 생성하도록 설정된 전자 장치.
- 전자 장치의 동작 방법에 있어서,네트워크로부터 수신한 RRC 재구성 메시지(RRC reconfiguration message)에 포함된 상기 전자 장치와 인접한 노드들의 정보를 확인하는 동작;상기 노드들 중 지정된 조건을 만족하는 적어도 하나 이상의 노드를 확인하는 동작;상기 지정된 조건을 만족하는 노드들의 정보 및 상기 전자 장치가 사용하는 서비스의 종류에 기반하여 생성된 테이블에 기반하여 연결할 노드를 선택하는 동작을 포함하는 전자 장치의 동작 방법.
- 제 14항에 있어서,상기 테이블은상기 서비스의 종류에 기반하여 다르게 생성되는 전자 장치의 동작 방법.
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US20180279193A1 (en) * | 2017-03-22 | 2018-09-27 | Ofinno Technologies, Llc | Conditional Handover Execution |
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US20210112435A1 (en) * | 2018-06-25 | 2021-04-15 | Vivo Mobile Communication Co., Ltd. | Resource configuration method, mobile terminal, network-side device, and medium |
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US9622124B2 (en) * | 2014-07-10 | 2017-04-11 | Viavi Solutions Uk Limited | Techniques for improved allocation of network resources using geolocation and handover management |
WO2020255490A1 (ja) * | 2019-06-19 | 2020-12-24 | 日本電気株式会社 | コアネットワーク装置、通信制御方法、非一時的なコンピュータ可読媒体、及び無線通信システム |
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US20190357064A1 (en) * | 2018-05-21 | 2019-11-21 | Qualcomm Incorporated | Link quality monitoring, signaling and procedures for specific service type |
US20210112435A1 (en) * | 2018-06-25 | 2021-04-15 | Vivo Mobile Communication Co., Ltd. | Resource configuration method, mobile terminal, network-side device, and medium |
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