WO2021256847A1 - Dispositif électronique et procédé de mesure de qualité de signal d'une cellule adjacente dans un dispositif électronique - Google Patents

Dispositif électronique et procédé de mesure de qualité de signal d'une cellule adjacente dans un dispositif électronique Download PDF

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Publication number
WO2021256847A1
WO2021256847A1 PCT/KR2021/007537 KR2021007537W WO2021256847A1 WO 2021256847 A1 WO2021256847 A1 WO 2021256847A1 KR 2021007537 W KR2021007537 W KR 2021007537W WO 2021256847 A1 WO2021256847 A1 WO 2021256847A1
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electronic device
base station
broadcast service
service data
communication
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PCT/KR2021/007537
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English (en)
Korean (ko)
Inventor
이건영
김현수
공혜윤
윤광후
임용태
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삼성전자 주식회사
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Publication of WO2021256847A1 publication Critical patent/WO2021256847A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/30—Resource management for broadcast services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management

Definitions

  • Various embodiments of the present disclosure relate to an electronic device and a method of measuring signal quality of an adjacent cell in the electronic device.
  • the 5G communication system has a higher frequency band (eg, For example, implementation in the 25-60 GHz band) is being considered.
  • SA stand alone
  • NSA non-stand alone
  • the SA method may be a method using only a new radio (NR) system
  • the NSA method may be a method using an NR system together with an existing LTE system.
  • the user terminal may use the gNB of the NR system as well as the eNB of the LTE system.
  • dual connectivity A technology that enables a user terminal to enable heterogeneous communication systems may be referred to as dual connectivity.
  • a subframe for a broadcast service (eg, a multimedia broadcast multicast service single frequency network (MBSFN) subframe) may be defined.
  • data for unicast eg, physical downlink shared channel (PDSCH) data
  • PDSCH physical downlink shared channel
  • a terminal supporting evolved multimedia broadcast and multicast services may receive data transmitted through an MBSFN subframe when it is necessary to receive eMBMS data.
  • UEs that do not support eMBMS or UEs that support eMBMS but do not perform an eMBMS data reception operation may not receive MBSFN subframe information.
  • the electronic device When the electronic device does not support eMBMS or supports eMBMS but does not perform eMBMS data reception operation, the electronic device according to various embodiments performs signal quality measurement of a neighboring cell or a target cell using the MBSFN subframe configured for the broadcast service. can be done
  • the electronic device corresponds to at least one communication network by being connected through a communication processor, at least one radio frequency integrated circuit (RFIC) connected to the communication processor, and the at least one RFIC. and an antenna for transmitting a signal
  • the communication processor connects to a first base station to control communication with a first communication network, checks whether broadcast service data is received through the first communication network, and the confirmation
  • the electronic device does not receive the broadcast service data, at least one second adjacent to the first base station within a time interval corresponding to at least one subframe allocated for reception of the broadcast service data It can be controlled to measure the received signal for the base station.
  • the base station includes at least one processor, at least one radio frequency integrated circuit (RFIC) connected to the at least one processor, and a signal corresponding to at least one communication network connected through the at least one RFIC and an antenna for transmitting, wherein the at least one processor connects to at least one electronic device to transmit/receive data corresponding to a first communication network, and broadcast service related information received from the at least one electronic device confirms whether each electronic device has received broadcast service data from In a corresponding time interval, it may be configured to measure a received signal for at least one other base station adjacent to the base station.
  • RFIC radio frequency integrated circuit
  • a method of operating an electronic device includes an operation of connecting to a first base station to communicate with a first communication network, an operation of confirming whether broadcast service data is received through the first communication network, and a result of the confirmation , when the electronic device does not receive the broadcast service data, at least one second base station adjacent to the first base station within a time interval corresponding to at least one subframe allocated for reception of the broadcast service data It may include an operation of measuring a received signal for .
  • a method of operating a base station includes transmitting and receiving data corresponding to a first communication network in connection with at least one electronic device, and each electronic device based on broadcast service related information received from the at least one electronic device. confirming whether broadcast service data is received, and, as a result of the check, for at least one electronic device that does not receive the broadcast service data, corresponding to at least one subframe allocated for reception of the broadcast service data
  • the method may include setting to measure a received signal for at least one other base station adjacent to the base station.
  • the electronic device when the electronic device does not support eMBMS or supports eMBMS but does not perform an eMBMS data reception operation, the electronic device measures the signal quality of a neighboring cell or a target cell using the MBSFN subframe configured for the broadcast service. By doing so, resource utilization can be increased.
  • the electronic device when the electronic device does not support eMBMS or supports eMBMS but does not perform an eMBMS data reception operation, the electronic device measures the signal quality of a neighboring cell or a target cell using the MBSFN subframe configured for the broadcast service. By performing , signal quality measurement performance can be improved.
  • FIG. 1 is a block diagram of an electronic device in a network environment, according to various embodiments of the present disclosure
  • 2A is a block diagram of an electronic device for supporting legacy network communication and 5G network communication, according to various embodiments of the present disclosure
  • 2B is a block diagram of an electronic device for supporting legacy network communication and 5G network communication, according to various embodiments of the present disclosure
  • 2C is a block diagram of an electronic device for supporting legacy network communication and 5G network communication, according to various embodiments of the present disclosure
  • 3A is a diagram illustrating wireless communication systems that provide a network of legacy communication and/or 5G communication according to various embodiments of the present disclosure
  • 3B is a diagram illustrating wireless communication systems that provide networks of legacy communication and/or 5G communication according to various embodiments of the present disclosure
  • 3C is a diagram illustrating wireless communication systems that provide networks of legacy communication and/or 5G communication according to various embodiments of the present disclosure
  • FIG. 4 is a block diagram of an electronic device according to various embodiments of the present disclosure.
  • FIG. 5 is a diagram illustrating the concept of MBSFN according to various embodiments.
  • FIG. 6 is a diagram illustrating an MBSFN system according to various embodiments.
  • FIG. 7 is a signal flow diagram illustrating an MBSFN service procedure according to various embodiments.
  • FIG. 8 is a diagram illustrating a concept of setting a measurement gap through an MBSFN subframe according to various embodiments.
  • FIG. 9 is a diagram illustrating a concept of setting a measurement gap through an MBSFN subframe according to various embodiments.
  • FIG. 10 is a diagram illustrating a concept of setting a measurement gap through an MBSFN subframe according to various embodiments.
  • FIG. 11 is a flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure
  • FIG. 12 is a flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure
  • FIG. 13 is a flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure
  • FIG. 14 is a flowchart illustrating a method of operating a base station according to various embodiments of the present disclosure.
  • 15 is a flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure
  • FIG. 1 is a block diagram of an electronic device 101 in a network environment 100 according to various embodiments.
  • an electronic device 101 communicates with an electronic device 102 through a first network 198 (eg, a short-range wireless communication network) or a second network 199 . It may communicate with the electronic device 104 or the server 108 through (eg, a long-distance wireless communication network). According to an embodiment, the electronic device 101 may communicate with the electronic device 104 through the server 108 .
  • a first network 198 eg, a short-range wireless communication network
  • a second network 199 e.g., a second network 199
  • the electronic device 101 may communicate with the electronic device 104 through the server 108 .
  • the electronic device 101 includes a processor 120 , a memory 130 , an input module 150 , a sound output module 155 , a display module 160 , an audio module 170 , and a sensor module ( 176), interface 177, connection terminal 178, haptic module 179, camera module 180, power management module 188, battery 189, communication module 190, subscriber identification module 196 , or an antenna module 197 may be included.
  • at least one of these components eg, the connection terminal 178
  • may be omitted or one or more other components may be added to the electronic device 101 .
  • some of these components are integrated into one component (eg, display module 160 ). can be
  • the processor 120 for example, executes software (eg, a program 140) to execute at least one other component (eg, a hardware or software component) of the electronic device 101 connected to the processor 120 . It can control and perform various data processing or operations. According to one embodiment, as at least part of data processing or operation, the processor 120 converts commands or data received from other components (eg, the sensor module 176 or the communication module 190 ) to the volatile memory 132 . may be stored in the volatile memory 132 , and may process commands or data stored in the volatile memory 132 , and store the result data in the non-volatile memory 134 .
  • software eg, a program 140
  • the processor 120 converts commands or data received from other components (eg, the sensor module 176 or the communication module 190 ) to the volatile memory 132 .
  • the volatile memory 132 may be stored in the volatile memory 132 , and may process commands or data stored in the volatile memory 132 , and store the result data in the non-volatile memory 134 .
  • the processor 120 is the main processor 121 (eg, a central processing unit or an application processor) or a secondary processor 123 (eg, a graphic processing unit, a neural network processing unit) a neural processing unit (NPU), an image signal processor, a sensor hub processor, or a communication processor).
  • the main processor 121 e.g, a central processing unit or an application processor
  • a secondary processor 123 eg, a graphic processing unit, a neural network processing unit
  • NPU neural processing unit
  • an image signal processor e.g., a sensor hub processor, or a communication processor.
  • the main processor 121 e.g, a central processing unit or an application processor
  • a secondary processor 123 eg, a graphic processing unit, a neural network processing unit
  • NPU neural processing unit
  • an image signal processor e.g., a sensor hub processor, or a communication processor.
  • the main processor 121 e.g, a central processing unit or an application processor
  • a secondary processor 123
  • the auxiliary processor 123 is, for example, on behalf of the main processor 121 while the main processor 121 is in an inactive (eg, sleep) state, or the main processor 121 is active (eg, executing an application). ), together with the main processor 121, at least one of the components of the electronic device 101 (eg, the display module 160, the sensor module 176, or the communication module 190) It is possible to control at least some of the related functions or states.
  • the co-processor 123 eg, an image signal processor or a communication processor
  • may be implemented as part of another functionally related component eg, the camera module 180 or the communication module 190. have.
  • the auxiliary processor 123 may include a hardware structure specialized for processing an artificial intelligence model.
  • Artificial intelligence models can be created through machine learning. Such learning may be performed, for example, in the electronic device 101 itself on which artificial intelligence is performed, or may be performed through a separate server (eg, the server 108).
  • the learning algorithm may include, for example, supervised learning, unsupervised learning, semi-supervised learning, or reinforcement learning, but in the above example not limited
  • the artificial intelligence model may include a plurality of artificial neural network layers.
  • Artificial neural networks include deep neural networks (DNNs), convolutional neural networks (CNNs), recurrent neural networks (RNNs), restricted boltzmann machines (RBMs), deep belief networks (DBNs), bidirectional recurrent deep neural networks (BRDNNs), It may be one of deep Q-networks or a combination of two or more of the above, but is not limited to the above example.
  • the artificial intelligence model may include, in addition to, or alternatively, a software structure in addition to the hardware structure.
  • the memory 130 may store various data used by at least one component of the electronic device 101 (eg, the processor 120 or the sensor module 176 ).
  • the data may include, for example, input data or output data for software (eg, the program 140 ) and instructions related thereto.
  • the memory 130 may include a volatile memory 132 or a non-volatile memory 134 .
  • the program 140 may be stored as software in the memory 130 , and may include, for example, an operating system 142 , middleware 144 , or an application 146 .
  • the input module 150 may receive a command or data to be used in a component (eg, the processor 120 ) of the electronic device 101 from the outside (eg, a user) of the electronic device 101 .
  • the input module 150 may include, for example, a microphone, a mouse, a keyboard, a key (eg, a button), or a digital pen (eg, a stylus pen).
  • the sound output module 155 may output a sound signal to the outside of the electronic device 101 .
  • the sound output module 155 may include, for example, a speaker or a receiver.
  • the speaker can be used for general purposes such as multimedia playback or recording playback.
  • the receiver may be used to receive an incoming call. According to one embodiment, the receiver may be implemented separately from or as part of the speaker.
  • the display module 160 may visually provide information to the outside (eg, a user) of the electronic device 101 .
  • the display module 160 may include, for example, a control circuit for controlling a display, a hologram device, or a projector and a corresponding device.
  • the display module 160 may include a touch sensor configured to sense a touch or a pressure sensor configured to measure the intensity of a force generated by the touch.
  • the audio module 170 may convert a sound into an electric signal or, conversely, convert an electric signal into a sound. According to an embodiment, the audio module 170 acquires a sound through the input module 150 , or an external electronic device (eg, a sound output module 155 ) connected directly or wirelessly with the electronic device 101 . A sound may be output through the electronic device 102 (eg, a speaker or headphones).
  • an external electronic device eg, a sound output module 155
  • a sound may be output through the electronic device 102 (eg, a speaker or headphones).
  • the sensor module 176 detects an operating state (eg, power or temperature) of the electronic device 101 or an external environmental state (eg, user state), and generates an electrical signal or data value corresponding to the sensed state. can do.
  • the sensor module 176 may include, for example, a gesture sensor, a gyro sensor, a barometric pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an IR (infrared) sensor, a biometric sensor, It may include a temperature sensor, a humidity sensor, or an illuminance sensor.
  • the interface 177 may support one or more designated protocols that may be used by the electronic device 101 to directly or wirelessly connect with an external electronic device (eg, the electronic device 102 ).
  • the interface 177 may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.
  • HDMI high definition multimedia interface
  • USB universal serial bus
  • SD card interface Secure Digital Card
  • the connection terminal 178 may include a connector through which the electronic device 101 can be physically connected to an external electronic device (eg, the electronic device 102 ).
  • the connection terminal 178 may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (eg, a headphone connector).
  • the haptic module 179 may convert an electrical signal into a mechanical stimulus (eg, vibration or movement) or an electrical stimulus that the user can perceive through tactile or kinesthetic sense.
  • the haptic module 179 may include, for example, a motor, a piezoelectric element, or an electrical stimulation device.
  • the camera module 180 may capture still images and moving images. According to an embodiment, the camera module 180 may include one or more lenses, image sensors, image signal processors, or flashes.
  • the power management module 188 may manage power supplied to the electronic device 101 .
  • the power management module 188 may be implemented as, for example, at least a part of a power management integrated circuit (PMIC).
  • PMIC power management integrated circuit
  • the battery 189 may supply power to at least one component of the electronic device 101 .
  • battery 189 may include, for example, a non-rechargeable primary cell, a rechargeable secondary cell, or a fuel cell.
  • the communication module 190 is a wireless communication module 192 (eg, a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module 194 (eg, : It may include a LAN (local area network) communication module, or a power line communication module).
  • GNSS global navigation satellite system
  • a corresponding communication module among these communication modules is a first network 198 (eg, a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)) or a second network 199 (eg, legacy It may communicate with the external electronic device 104 through a cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (eg, a telecommunication network such as a LAN or a WAN).
  • a first network 198 eg, a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)
  • a second network 199 eg, legacy It may communicate with the external electronic device 104 through a cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (eg, a telecommunication network such as a LAN or a WAN).
  • a telecommunication network
  • the wireless communication module 192 uses the subscriber information (eg, International Mobile Subscriber Identifier (IMSI)) stored in the subscriber identification module 196 within a communication network such as the first network 198 or the second network 199 .
  • the electronic device 101 may be identified or authenticated.
  • the wireless communication module 192 may support a 5G network after a 4G network and a next-generation communication technology, for example, a new radio access technology (NR).
  • NR access technology includes high-speed transmission of high-capacity data (eMBB (enhanced mobile broadband)), minimization of terminal power and access to multiple terminals (mMTC (massive machine type communications)), or high reliability and low latency (URLLC (ultra-reliable and low-latency) -latency communications)).
  • eMBB enhanced mobile broadband
  • mMTC massive machine type communications
  • URLLC ultra-reliable and low-latency
  • the wireless communication module 192 may support a high frequency band (eg, mmWave band) to achieve a high data rate, for example.
  • a high frequency band eg, mmWave band
  • the wireless communication module 192 includes various technologies for securing performance in a high-frequency band, for example, beamforming, massive multiple-input and multiple-output (MIMO), all-dimensional multiplexing. It may support technologies such as full dimensional MIMO (FD-MIMO), an array antenna, analog beam-forming, or a large scale antenna.
  • the wireless communication module 192 may support various requirements specified in the electronic device 101 , an external electronic device (eg, the electronic device 104 ), or a network system (eg, the second network 199 ).
  • the wireless communication module 192 may include a peak data rate (eg, 20 Gbps or more) for realizing eMBB, loss coverage (eg, 164 dB or less) for realizing mMTC, or U-plane latency for realizing URLLC ( Example: downlink (DL) and uplink (UL) each 0.5 ms or less, or round trip 1 ms or less).
  • a peak data rate eg, 20 Gbps or more
  • loss coverage eg, 164 dB or less
  • U-plane latency for realizing URLLC
  • the antenna module 197 may transmit or receive a signal or power to the outside (eg, an external electronic device).
  • the antenna module 197 may include an antenna including a conductor formed on a substrate (eg, a PCB) or a radiator formed of a conductive pattern.
  • the antenna module 197 may include a plurality of antennas (eg, an array antenna). In this case, at least one antenna suitable for a communication method used in a communication network such as the first network 198 or the second network 199 is connected from the plurality of antennas by, for example, the communication module 190 . can be selected. A signal or power may be transmitted or received between the communication module 190 and an external electronic device through the selected at least one antenna.
  • other components eg, a radio frequency integrated circuit (RFIC)
  • RFIC radio frequency integrated circuit
  • the antenna module 197 may form a mmWave antenna module.
  • the mmWave antenna module comprises a printed circuit board, an RFIC disposed on or adjacent to a first side (eg, bottom side) of the printed circuit board and capable of supporting a designated high frequency band (eg, mmWave band); and a plurality of antennas (eg, an array antenna) disposed on or adjacent to a second side (eg, top or side) of the printed circuit board and capable of transmitting or receiving signals of the designated high frequency band. can do.
  • peripheral devices eg, a bus, general purpose input and output (GPIO), serial peripheral interface (SPI), or mobile industry processor interface (MIPI)
  • GPIO general purpose input and output
  • SPI serial peripheral interface
  • MIPI mobile industry processor interface
  • the command or data may be transmitted or received between the electronic device 101 and the external electronic device 104 through the server 108 connected to the second network 199 .
  • Each of the external electronic devices 102 or 104 may be the same as or different from the electronic device 101 .
  • all or a part of operations executed in the electronic device 101 may be executed in one or more external electronic devices 102 , 104 , or 108 .
  • the electronic device 101 may perform the function or service itself instead of executing the function or service itself.
  • one or more external electronic devices may be requested to perform at least a part of the function or the service.
  • One or more external electronic devices that have received the request may execute at least a part of the requested function or service, or an additional function or service related to the request, and transmit a result of the execution to the electronic device 101 .
  • the electronic device 101 may process the result as it is or additionally and provide it as at least a part of a response to the request.
  • cloud computing distributed computing, mobile edge computing (MEC), or client-server computing technology may be used.
  • the electronic device 101 may provide an ultra-low latency service using, for example, distributed computing or mobile edge computing.
  • the external electronic device 104 may include an Internet of things (IoT) device.
  • Server 108 may be an intelligent server using machine learning and/or neural networks.
  • the electronic device 101 includes a first communication processor 212 , a second communication processor 214 , a first radio frequency integrated circuit (RFIC) 222 , a second RFIC 224 , and a third RFIC 226 , fourth RFIC 228 , first radio frequency front end (RFFE) 232 , second RFFE 234 , first antenna module 242 , second antenna module 244 , third An antenna module 246 and antennas 248 may be included.
  • the electronic device 101 may further include a processor 120 and a memory 130 .
  • the second network 199 may include a first cellular network 292 and a second cellular network 294 .
  • the electronic device 101 may further include at least one component among the components illustrated in FIG. 1 , and the second network 199 may further include at least one other network.
  • a first communication processor 212 , a second communication processor 214 , a first RFIC 222 , a second RFIC 224 , a fourth RFIC 228 , a first RFFE 232 , and the second RFFE 234 may form at least a part of the wireless communication module 192 .
  • the fourth RFIC 228 may be omitted or may be included as a part of the third RFIC 226 .
  • the first communication processor 212 may support establishment of a communication channel of a band to be used for wireless communication with the first cellular network 292 and legacy network communication through the established communication channel.
  • the first cellular network may be a legacy network including a second generation (2G), 3G, 4G, or long term evolution (LTE) network.
  • the second communication processor 214 establishes a communication channel corresponding to a designated band (eg, about 6 GHz to about 60 GHz) among bands to be used for wireless communication with the second cellular network 294 , and a 5G network through the established communication channel communication can be supported.
  • the second cellular network 294 may be a 5G network defined by 3GPP.
  • the first communication processor 212 or the second communication processor 214 corresponds to another designated band (eg, about 6 GHz or less) among bands to be used for wireless communication with the second cellular network 294 . It is possible to support the establishment of a communication channel, and 5G network communication through the established communication channel.
  • another designated band eg, about 6 GHz or less
  • the first communication processor 212 may transmit/receive data to and from the second communication processor 214 .
  • data classified to be transmitted over the second cellular network 294 may be changed to be transmitted over the first cellular network 292 .
  • the first communication processor 212 may receive transmission data from the second communication processor 214 .
  • the first communication processor 212 may transmit/receive data through the second communication processor 214 and the interprocessor interface 213 .
  • the interprocessor interface 213 may be implemented as, for example, a universal asynchronous receiver/transmitter (UART) (eg, high speed-UART (HS-UART) or peripheral component interconnect bus express (PCIe) interface).
  • UART universal asynchronous receiver/transmitter
  • PCIe peripheral component interconnect bus express
  • the first communication processor 212 may not be directly connected to the second communication processor 214 .
  • the first communication processor 212 may transmit and receive data through the second communication processor 214 and the processor 120 (eg, an application processor).
  • the first communication processor 212 and the second communication processor 214 may transmit and receive data with the processor 120 (eg, an application processor) through the HS-UART interface or the PCIe interface, but There is no restriction on the type.
  • the first communication processor 212 and the second communication processor 214 may exchange control information and packet data information using a shared memory with the processor 120 (eg, an application processor). .
  • the first communication processor 212 and the second communication processor 214 may be implemented in a single chip or a single package. According to various embodiments, the first communication processor 212 or the second communication processor 214 may be formed in a single chip or a single package with the processor 120 , the co-processor 123 , or the communication module 190 . have.
  • the unified communication processor 260 may support both functions for communication with the first cellular network 292 and the second cellular network 294 .
  • the second RFIC 224 when transmitting, uses the baseband signal generated by the first communication processor 212 or the second communication processor 214 to the second cellular network 294 (eg, a 5G network). It can be converted into an RF signal (hereinafter, 5G Sub6 RF signal) of the Sub6 band (eg, about 6 GHz or less).
  • 5G Sub6 RF signal RF signal
  • a 5G Sub6 RF signal is obtained from a second cellular network 294 (eg, 5G network) via an antenna (eg, second antenna module 244 ), and an RFFE (eg, second RFFE 234 ) ) can be preprocessed.
  • the second RFIC 224 may convert the preprocessed 5G Sub6 RF signal into a baseband signal to be processed by a corresponding one of the first communication processor 212 or the second communication processor 214 .
  • the third RFIC 226 transmits the baseband signal generated by the second communication processor 214 to the 5G Above6 band (eg, about 6 GHz to about 60 GHz) to be used in the second cellular network 294 (eg, 5G network). It can be converted into an RF signal (hereinafter referred to as 5G Above6 RF signal).
  • a 5G Above6 RF signal may be obtained from the second cellular network 294 (eg, 5G network) via an antenna (eg, antenna 248 ) and pre-processed via a third RFFE 236 .
  • the third RFIC 226 may convert the preprocessed 5G Above6 RF signal into a baseband signal to be processed by the second communication processor 214 .
  • the third RFFE 236 may be formed as part of the third RFIC 226 .
  • the electronic device 101 may include the fourth RFIC 228 separately from or as at least a part of the third RFIC 226 .
  • the fourth RFIC 228 converts the baseband signal generated by the second communication processor 214 into an RF signal (hereinafter, IF signal) of an intermediate frequency band (eg, about 9 GHz to about 11 GHz). After conversion, the IF signal may be transmitted to the third RFIC 226 .
  • the third RFIC 226 may convert the IF signal into a 5G Above6 RF signal.
  • a 5G Above6 RF signal may be received from the second cellular network 294 (eg, 5G network) via an antenna (eg, antenna 248 ) and converted to an IF signal by a third RFIC 226 .
  • the fourth RFIC 228 may convert the IF signal into a baseband signal for processing by the second communication processor 214 .
  • the first RFIC 222 and the second RFIC 224 may be implemented as at least a part of a single chip or a single package.
  • the integrated RFIC 223 is implemented as shown in FIG. 2C .
  • the integrated RFIC 223 is connected to the first RFFE 232 and the second RFFE 234 so that the integrated RFIC 223 transmits a baseband signal to the first RFFE 232 and/or the second RFFE 234 .
  • the first RFFE 232 and the second RFFE 234 may be implemented as at least a part of a single chip or a single package.
  • at least one antenna module of the first antenna module 242 or the second antenna module 244 may be omitted or may be combined with another antenna module to process RF signals of a plurality of corresponding bands.
  • the third RFIC 226 and the antenna 248 may be disposed on the same substrate to form the third antenna module 246 .
  • the wireless communication module 192 or the processor 120 may be disposed on the first substrate (eg, main PCB).
  • the third RFIC 226 is located in a partial area (eg, the bottom surface) of the second substrate (eg, sub PCB) separate from the first substrate, and the antenna 248 is located in another partial region (eg, the top surface). is disposed, the third antenna module 246 may be formed.
  • a high-frequency band eg, about 6 GHz to about 60 GHz
  • the electronic device 101 may improve the quality or speed of communication with the second network 294 (eg, a 5G network).
  • the antenna 248 may be formed as an antenna array including a plurality of antenna elements that may be used for beamforming.
  • the third RFIC 226 may include, for example, as a part of the third RFFE 236 , a plurality of phase shifters 238 corresponding to the plurality of antenna elements.
  • each of the plurality of phase shifters 238 may transform the phase of a 5G Above6 RF signal to be transmitted to the outside of the electronic device 101 (eg, a base station of a 5G network) through a corresponding antenna element. .
  • the second cellular network 294 may be operated independently (eg, Stand-Alone (SA)) or connected to the first cellular network 292 (eg, legacy network).
  • SA Stand-Alone
  • the 5G network may have only an access network (eg, a 5G radio access network (RAN) or a next generation RAN (NG RAN)), and may not have a core network (eg, a next generation core (NGC)).
  • the electronic device 101 may access an external network (eg, the Internet) under the control of a core network (eg, evolved packed core (EPC)) of the legacy network.
  • SA Stand-Alone
  • NG RAN next generation RAN
  • NGC next generation core
  • the electronic device 101 may access an external network (eg, the Internet) under the control of a core network (eg, evolved packed core (EPC)) of the legacy network.
  • EPC evolved packed core
  • Protocol information for communication with a legacy network eg, LTE protocol information
  • protocol information for communication with a 5G network eg, New Radio (NR) protocol information
  • NR New Radio
  • the network environments 300a to 300c may include at least one of a legacy network and a 5G network.
  • the legacy network includes, for example, a 4G or LTE base station 340 (eg, eNB (eNodeB)) of the 3GPP standard supporting wireless connection with the electronic device 101 and an evolved packet (EPC) for managing 4G communication. core) 342 .
  • the 5G network for example, manages 5G communication between the electronic device 101 and a New Radio (NR) base station 350 (eg, gNB (gNodeB)) supporting wireless connection and the electronic device 101 . It may include a 5th generation core (5GC) 352.
  • NR New Radio
  • gNB gNodeB
  • 5GC 5th generation core
  • the electronic device 101 uses at least a part of a legacy network (eg, the LTE base station 340 and the EPC 342 ) to at least a part of a 5G network (eg: The NR base station 350 and the 5GC 352 may transmit/receive at least one of a control message or user data.
  • a legacy network eg, the LTE base station 340 and the EPC 342
  • a 5G network eg: The NR base station 350 and the 5GC 352 may transmit/receive at least one of a control message or user data.
  • network environment 300a provides wireless communication dual connectivity (DC) to LTE base station 340 and NR base station 350 , and either EPC 342 or 5GC 352 . It may include a network environment in which a control message is transmitted and received with the electronic device 101 through the core network 230 of the .
  • DC wireless communication dual connectivity
  • one of the LTE base station 340 or the NR base station 350 operates as a master node (MN) 310 and the other operates as a secondary node (SN) 320 .
  • MN master node
  • SN secondary node
  • the MN 310 may be connected to the core network 230 to transmit and receive control messages.
  • the MN 310 and the SN 320 may be connected through a network interface to transmit/receive messages related to radio resource (eg, communication channel) management with each other.
  • radio resource eg, communication channel
  • the MN 310 may be configured as the LTE base station 340
  • the SN 320 may be configured as the NR base station 350
  • the core network 330 may be configured as the EPC 342 .
  • a control message may be transmitted/received through the LTE base station 340 and the EPC 342
  • user data may be transmitted/received through at least one of the LTE base station 340 and the NR base station 350 .
  • the MN 310 may include the NR base station 350
  • the SN 320 may include the LTE base station 340
  • the core network 330 may include the 5GC 352 .
  • a control message may be transmitted/received through the NR base station 350 and the 5GC 352
  • user data may be transmitted/received through at least one of the LTE base station 340 or the NR base station 350 .
  • a 5G network may include an NR base station 350 and a 5GC 352 , and may independently transmit/receive a control message and user data to/from the electronic device 101 .
  • the legacy network and the 5G network may independently provide data transmission/reception.
  • the electronic device 101 and the EPC 342 may transmit and receive a control message and user data through the LTE base station 340 .
  • the electronic device 101 and the 5GC 352 may transmit and receive a control message and user data through the NR base station 350 .
  • the electronic device 101 may be registered with at least one of the EPC 342 and the 5GC 352 to transmit/receive a control message.
  • the EPC 342 or the 5GC 352 may interwork to manage communication of the electronic device 101 .
  • movement information of the electronic device 101 may be transmitted/received through an interface (not shown, for example, an N26 interface) between the EPC 342 and the 5GC 352 .
  • E-UTRA new radio dual connectivity dual connectivity through the LTE base station 340 and the NR base station 350 may be referred to as E-UTRA new radio dual connectivity (EN-DC).
  • EN-DC E-UTRA new radio dual connectivity
  • an electronic device eg, the electronic device 101 of FIG. 1
  • an electronic device includes a processor 120 , a communication processor 440 , an RFIC 410 , an RFFE 420 , and an antenna 430 .
  • a processor 120 e.g., the electronic device 101 of FIG. 1
  • a communication processor 440 e.g., the electronic device 101 of FIG. 1
  • an RFIC 410 e.g., the electronic device 101 of FIG. 1
  • an RFFE 420 e.g., the electronic device 101 of FIG. 1
  • the communication processor 440 may include a plurality of communication processors.
  • the first communication processor 212 and the second communication processor 214 of FIG. 2A may be included.
  • the communication processor 440 may include one communication processor.
  • it may include the communication processor 260 of FIG. 2A or 2B.
  • the RFIC 410 may include a plurality of RFICs.
  • the RFIC 410 may include the first RFIC 222 and the second RFIC 224 of FIG. 2A or 2B.
  • the RFIC 410 may further include a fourth RFIC 228 of FIG. 2A or 2B.
  • the RFIC 410 may include the integrated RFIC 223 and the fourth RFIC 228 of FIG. 2C .
  • the RFIC 410 may include one RFIC.
  • it may include the integrated RFIC 223 of FIG. 2C.
  • the RFFE 420 may include a plurality of RFFEs.
  • the RFFE 420 may include the first RFFE 232 and the second RFFE 234 of FIGS. 2A-2C .
  • the antenna 430 may include a plurality of antennas.
  • the antenna 430 may include at least two or more of the first antenna module 242 , the second antenna module 244 , and the at least one third antenna module 246 of FIGS. 2A to 2C . .
  • the RFIC 410 when transmitting, transmits a baseband signal generated by the communication processor 260 to a radio frequency (RF) signal used in a first communication network (eg, an LTE network). can be converted into a signal.
  • a radio frequency (RF) signal used in a first communication network eg, an LTE network
  • the RFIC 410 may transmit an RF signal used for the first communication network to the antenna 430 through the RFFE 420 .
  • the electronic device while communicating with the first communication network through the first base station, connects to at least one second base station (eg, an adjacent cell or a target cell) adjacent to the first base station in a set time interval. can measure the received signal. For example, when the frequency of the received signal to the second base station is a frequency different from that for communicating with the first base station, the electronic device transmits/receives data to and from the first base station while measuring the received signal to the second base station can be temporarily stopped.
  • the frequency of the received signal to the second base station is a frequency different from that for communicating with the first base station
  • the electronic device transmits/receives data to and from the first base station while measuring the received signal to the second base station can be temporarily stopped.
  • temporarily stopping data transmission/reception with the currently communicating base station and measuring the signal quality of a received signal of a neighboring base station may be referred to as 'gap measurement', and in order to perform the gap measurement,
  • the set section may be referred to as a 'measurement gap'.
  • the electronic device may receive configuration information of the measurement gap from the first base station.
  • the electronic device may perform the gap measurement within a time interval corresponding to a specific subframe of a specific radio frame according to the measurement gap configuration information received from the first base station.
  • a time interval corresponding to a subframe (eg, a multimedia broadcast multicast service single frequency network (MBSFN) subframe) set for receiving broadcast service data is set to a measurement gap or an autonomous gap and a method of executing the gap measurement within the set time interval will be described.
  • a subframe eg, a multimedia broadcast multicast service single frequency network (MBSFN) subframe
  • a plurality of electronic devices 101a , 101b , and 101c may receive data (eg, physical downlink shared channel (PDSCH) data) by accessing each of the base stations 511 , 512 and 513 .
  • data eg, physical downlink shared channel (PDSCH) data
  • the plurality of base stations 511 , 512 , and 513 may be configured as one MBSFN area.
  • the plurality of base stations 511, 512, and 513 configured in the one MBSFN area may simultaneously transmit the same broadcast service data at the same time.
  • the plurality of base stations 511, 512, and 513 may receive configuration information for the MBSFN subframe from the MBSFN server (eg, multi-cell/multicast coordination entity (MCE)), and each base station 511 , 512 and 513 may broadcast the same broadcast service data through the set MBSFN subframe.
  • MCE multi-cell/multicast coordination entity
  • broadcast service data broadcast from the respective base stations 511, 512, and 513 through the set MBSFN subframe can receive
  • the electronic device 101a, 101b, or 101c receives the The broadcast service data broadcast through the configured MBSFN subframe may not be received.
  • a system includes a base station 601 (eg, eNodeB), a serving GPRS service node (SGSN) 602, a mobility management entity (MME) 603, and a home subscriber service (HSS). 605 , a serving gateway (SGW) 604 , a PDN gateway (PGW) 606 , and a policy and charging rules function (PCRF) 607 .
  • the electronic device eg, the electronic device 101 of FIG. 1
  • the electronic device 101 may connect to the IP network 608 through the base station 601 , the SGW 604 , and the PGW 606 to transmit/receive data to/from various types of servers or communication counterparts. have.
  • the system further includes a multi-cell/multicast coordination entity (MCE) 611, an MBSFN gateway 612, and a broadcast/multicast service center (BM-SC) to provide MBSFN service.
  • MCE multi-cell/multicast coordination entity
  • BM-SC broadcast/multicast service center
  • the MCE 611 may allocate radio resources (eg, MBSFN subframe) to a plurality of base stations belonging to the MBSFN area, and provide information on the allocated radio resources to each base station. According to various embodiments, the MCE 611 may control the resumption or suspension of the MBMS session.
  • radio resources eg, MBSFN subframe
  • the MBSFN gateway 612 may receive broadcast service data from the BM-SC 613 and transmit or broadcast an MBMS packet to each base station 601 providing a broadcast service in the MBSFN area. In addition, the MBSFN gateway 612 may perform MBMS session control signaling (eg, session start/update/stop) through the MME 603 .
  • MBMS session control signaling eg, session start/update/stop
  • the MME 603 may transmit an MBMS session start request to the MCE 611 in operation 701 .
  • the MCE 611 requested to initiate the MBMS session may transmit an MBMS session start response to the MME 603 in operation 703 .
  • the MCE 611 in response to the MBMS session initiation request of the MME 603, the MCE 611 requests an MBMS session initiation to each base station 601 providing a broadcast service in the MBSFN area in operation 705. start request) can be sent.
  • Each base station 601 receiving the request to initiate the MBMS session may transmit an MBMS session start response to the MCE 611 in operation 707 .
  • Each base station 601 may transmit an MBMS scheduling information request to the MCE 611 in operation 709 .
  • the MCE 611 Upon receiving the MBMS scheduling information request, the MCE 611 may transmit MBMS scheduling information to each base station 601 in operation 711 .
  • the MBMS scheduling information may include configuration information for an MBSFN subframe.
  • the base station 601 may initiate an MBMS session for each electronic device 101 in operation 713 . After joining an IP multicast group for transmission of user plane data in operation 715 , the base station 601 may transmit the synchronized MBMS user plane data to each electronic device 101 in operation 717 . For example, the base station 601 may broadcast the MBMS user plane data through the configured MBSFN subframe.
  • the electronic device 101 subscribing to the broadcast service may receive broadcast service data (eg, physical multicast channel (PMCH) data) broadcast through the MBSFN subframe from the base station 601 . .
  • broadcast service data eg, physical multicast channel (PMCH) data
  • the electronic device 101 that does not subscribe to the broadcast service or whose broadcast service data reception is deactivated even though it subscribes to the broadcast service may not receive broadcast service data broadcast through the MBSFN subframe.
  • the MBSFN subframe is a subframe allocated for broadcast service data transmission, and data for unicast (eg, PDSCH data) may not be transmitted.
  • the electronic device 101 that does not receive the broadcast service data broadcast through the MBSFN subframe may not perform an operation for data reception in the MBSFN subframe configured for the broadcast service data transmission.
  • the electronic device 101 that does not receive the broadcast service data broadcast through the MBSFN subframe measures a time period corresponding to the MBSFN subframe set for the broadcast service data transmission by measuring a measurement gap or autonomous gap , and gap measurement can be performed in the corresponding time interval.
  • one radio frame 800 may include 10 subframes 801 , but is not limited thereto.
  • a system frame number (SFN) may be assigned to each radio frame.
  • a radio frame 810 of SFN #1 and a radio frame 820 of SFN #2 are transmitted from a base station (eg, the base station 601 of FIG. 6 ) to an electronic device (eg, the electronic device 101 of FIG. 6 ).
  • the radio frame 830 of SFN #3, the radio frame 840 of SFN #4, and the radio frame 850 of SFN #5 are sequentially transmitted.
  • the electronic device 101 may receive information on the MBSFN subframe from the base station 601 .
  • the information on the MBSFN subframe may be broadcast from the base station 601 through a system information block (SIB) 2 , and the electronic device 101 performs the MBSFN regardless of whether the broadcast service (eg, eMBMS) is supported.
  • SIB 2 may include information about the MBSFN subframe as follows.
  • MBSFN-Subframeconfig :: SEQUENCE ⁇
  • radioframeAllocationPeriod ENUMERATED ⁇ n1, n2, n4, n8, n16, n32 ⁇ ,
  • radioframeAllocationOffset INTEGER ⁇ 0..7 ⁇
  • subframes 1, 2, 3, 6, 7, and 8 of SFN #2 and SFN #3 are set to MBSFN subframes 821, 822, 831, 832. Able to know.
  • subframes 1, 2, 3, 6, 7, and 8 of the SFN #2 and SFN #3 are MBSFN subframes. It may be set as a frame, and when operating in time division duplex (TDD) mode, subframes 2, 3, 4, 7, 8, and 9 of SFN #2 and SFN #3 may be set as MBSFN subframes. .
  • the method of configuring the MBSFN subframe may be applied to FIGS. 9 and 10 in the same or similar manner.
  • the electronic device 101 may receive information on a measurement gap set from the base station 601 for measurement of received signal quality for an adjacent cell (eg, inter-frequency measurement or inter-RAT measurement). have.
  • a measurement gap set from the base station 601 for measurement of received signal quality for an adjacent cell (eg, inter-frequency measurement or inter-RAT measurement).
  • FIG. 8 it can be seen that subframes 0, 1, 2, 3, 4, 5, 6, and 7 of SFN #1 and SFN #5 are set as subframes 811 and 851 for measurement gap.
  • the measurement gap may be set periodically, and FIG. 8 shows that the measurement gap is set to eight subframes every four radio frame periods (eg, 40 ms).
  • the electronic device 101 when the electronic device 101 is an electronic device that does not support a broadcast service or is set to not currently receive broadcast service data, data may not be transmitted/received in a time interval set as the MBSFN subframe. have.
  • the electronic device 101 may additionally set at least a portion of the MBSFN subframe as the measurement gap in addition to the section set as the measurement gap. For example, the electronic device 101 may improve performance and accuracy of measurement by performing additional gap measurement within a time interval set as an MBSFN subframe.
  • the measurement gap set by the base station may be set to a period of 40 ms (eg, 4 radio frames) or 80 ms (eg, 8 radio frames) as shown in FIG. 8, and there are many objects for measurement using the gap. In this case, it may not be possible to measure all objects during the measurement gap set in one radio frame.
  • FIG. 8 by additionally using at least a part of the subframe allocated to the MBSFN subframe as a measurement gap, it is possible to search or measure a neighboring cell or a neighboring base station more frequently, thereby improving the measurement performance of the electronic device. can be improved
  • a measurement gap of 40 ms period is set, and MBSFN subframe using 6 subframes is repeated twice between them. A subframe of 12ms corresponding to can be used as a measurement gap.
  • the setting of the measurement gap for the MBSFN subframe described in FIG. 8 may be applied to an electronic device that does not support the eMBMS service or an electronic device in which the eMBMS service is in a disabled state.
  • the electronic device 101 is an electronic device that does not support a broadcast service
  • a time interval corresponding to all or at least a part of the MBSFN subframes 821 , 822 , 831 , and 832 may be set as a measurement gap. .
  • one radio frame 900 may include 10 subframes 901 , but is not limited thereto.
  • a system frame number (SFN) may be assigned to each radio frame.
  • a radio frame 910 of SFN #1, a radio frame 920 of SFN #2, and a radio frame of SFN #3 are transmitted from the base station (eg, the base station 601 in FIG. 6 ) to the electronic device 101 . 930), illustrates that the radio frame 940 of SFN #4 is sequentially transmitted.
  • the electronic device 101 may receive information on the MBSFN subframe from the base station 601 .
  • the information on the MBSFN subframe may be broadcast from the base station 601 through a system information block (SIB) 2 , and the electronic device 101 performs the MBSFN regardless of whether the broadcast service (eg, eMBMS) is supported.
  • SIB system information block
  • Information on the subframe may be received.
  • subframes 1, 2, 3, 6, 7, and 8 of SFN #2 and SFN #3 are set to MBSFN subframes 921, 922, 931, and 932. Able to know.
  • the electronic device 101 may receive a measurement config including information related to a measurement gap from the base station 601 .
  • the electronic device 101 sets the gap by itself to measure the received signal quality of a neighboring cell or a neighboring base station Can perform autonomous gap measurement operation have.
  • the electronic device 101 performs a gap measurement operation for a neighboring cell or a neighboring base station through the autonomous gap setting. can be performed. Since the autonomous gap measurement operation of the electronic device 101 executes the gap measurement operation without receiving the PDSCH data by itself, the electronic device 101 transmits the PDSCH data transmitted by the base station 601 during the autonomous gap period. Device 101 may not be able to receive.
  • the electronic device 101 may set at least a part of the MBSFN subframe as autonomous gaps 923 and 933 as shown in FIG. 9 .
  • the electronic device 101 can prevent loss of PDSCH data due to the autonomous gap by executing autonomous gap measurement within a time interval set by the MBSFN subframe and can use radio resources efficiently.
  • the setting of the measurement gap for the MBSFN subframe described in FIG. 9 may be applied to an electronic device that does not support the eMBMS service or an electronic device in which the eMBMS service is disabled.
  • the electronic device 101 is an electronic device that does not support a broadcast service
  • a time interval corresponding to all or at least a part of the MBSFN subframes 921 , 922 , 931 , 932 is set to a measurement gap (eg, autonomous gap) can be set.
  • At least part of the time interval corresponding to the remaining MBSFN subframe except for can be set as a measurement gap (eg, autonomous gap). A detailed embodiment thereof will be described later with reference to FIG. 15 .
  • one radio frame 1000 may include 10 subframes 1001 , but is not limited thereto.
  • a system frame number (SFN) may be assigned to each radio frame.
  • a radio frame 1010 of SFN #1 and a radio frame 1020 of SFN #2 from a base station (eg, the base station 601 of FIG. 6 ) to an electronic device (eg, the electronic device 101 of FIG. 6 ).
  • the radio frame 1030 of SFN #3, the radio frame 1040 of SFN #4, the radio frame 1050 of SFN #5, and the radio frame 1060 of SFN #6 are sequentially transmitted.
  • the electronic device 101 may receive information on the MBSFN subframe from the base station 601 .
  • the information on the MBSFN subframe may be broadcast from the base station 601 through a system information block (SIB) 2 , and the electronic device 101 performs the MBSFN regardless of whether the broadcast service (eg, eMBMS) is supported.
  • SIB system information block
  • Information on the subframe may be received.
  • subframes 1, 2, 3, 6, 7, and 8 of SFN #2, SFN #3, and SFN #6 are MBSFN subframes 1021, 1022, 1031, 1032. , 1061, 1062).
  • the measurement gap when setting the measurement gap for NR measurement, may be set to overlap at least a part of the MBSFN subframe.
  • the subframe set as the measurement gap may not be used as a subframe for PDSCH data transmission in the base station.
  • the base station may set at least some of the MBSFN subframes 1021 , 1022 , 1031 , 1032 , 1061 and 1062 as measurement gaps 1023 and 1063 .
  • the base station uses at least some of the MBSFN subframes (1021, 1022, 1031, 1032, 1061, 1062) as the measurement gap (1023, 1063) by reducing the number of subframes that cannot be used. efficiency can be increased.
  • the base station 601 broadcasting broadcast service data may receive a message indicating whether broadcast service data is received from the electronic device 101 (eg, “MBMSInterestIndication”). have.
  • the base station 601 may check whether the electronic device 101 receives broadcast service data through the message received from the electronic device 101 .
  • the base station 601 may set the measurement gap not to overlap the MBSFN subframe in the electronic device receiving the broadcast service data as a result of checking through the received message.
  • the base station 601 may set the MBSFN subframe and the measurement gap to at least partially overlap with the electronic device that is not receiving broadcast service data as a result of checking through the received message.
  • the base station that does not broadcast broadcast service data may set the MBSFN subframe and the measurement gap to at least partially overlap with the electronic device communicating with the base station regardless of whether the electronic device receives the broadcast service data. .
  • the electronic device 101 receives, from the base station, measurement gap configuration information set so that the MBSFN subframe and the measurement gap at least partially overlap, and performs gap measurement according to the configuration information. can be done
  • the electronic device may include a communication processor, at least one radio frequency integrated circuit (RFIC) connected to the communication processor, and at least one communication network connected through the at least one RFIC including an antenna for transmitting a signal corresponding to , wherein the communication processor connects to a first base station to control communication with a first communication network, and checks whether broadcast service data is received through the first communication network, As a result of the check, when the electronic device does not receive the broadcast service data, within a time interval corresponding to at least one subframe allocated for reception of the broadcast service data, at least one device adjacent to the first base station It can be controlled to measure the received signal for the second base station.
  • RFIC radio frequency integrated circuit
  • the frequency of the received signal for the second base station may be a different frequency from the frequency for communicating with the first base station.
  • data transmission/reception with the first base station may be stopped while measuring the received signal for the second base station.
  • the communication processor may determine that the broadcast service data is not received.
  • the communication processor may include at least one In a time interval corresponding to the subframe, it is possible to control to measure the received signal for at least one second base station adjacent to the first base station.
  • the electronic device may further include an application processor, and the communication processor may receive setting information related to reception of the broadcast service data from the application processor.
  • the communication processor may receive information related to a channel selected by a user from among the broadcast service data from the application processor.
  • the communication processor receives configuration information of a subframe for measuring a received signal for at least one second base station adjacent to the first base station from the first base station, and the received configuration information It is possible to control to measure the received signal for at least one second base station adjacent to the first base station within the time interval corresponding to the subframe.
  • the base station includes at least one processor, at least one radio frequency integrated circuit (RFIC) connected to the at least one processor, and a signal corresponding to at least one communication network connected through the at least one RFIC and an antenna for transmitting, wherein the at least one processor connects to at least one electronic device to transmit/receive data corresponding to a first communication network, and broadcast service related information received from the at least one electronic device confirms whether each electronic device has received broadcast service data from In a corresponding time interval, it may be configured to measure a received signal for at least one other base station adjacent to the base station.
  • RFIC radio frequency integrated circuit
  • the at least one processor may control to transmit the setting related information to at least one electronic device that does not receive the broadcast service data.
  • FIGS. 11 to 13 are flowcharts illustrating a method of operating an electronic device according to various embodiments of the present disclosure.
  • the operations of FIGS. 11 to 13 described below may be applied to, for example, of the electronic device 101 of FIG. 4 described above, and may be applied to the embodiments of FIGS. 8 to 10 described above.
  • the operations of FIGS. 11 to 13 may be understood to be performed by the communication processor 440 of the electronic device 101 of FIG. 4 .
  • the electronic device eg, the first communication 212 of FIG. 2A or the unified communication processor 260 of FIG. 2B or 2C
  • the first base station eg, the LTE base station
  • a first communication network eg, an LTE network
  • the electronic device 101 may check whether broadcast service data is received through the first communication network in operation 1120 . According to various embodiments, when the electronic device 101 does not support the broadcast service, it may be determined that the broadcast service data is not received. According to various embodiments, even when a broadcast service is supported, the electronic device 101 may determine that it does not receive the broadcast service data when it is set to not currently receive the broadcast service data.
  • the electronic device 101 when it is determined that broadcast service data is not received, the electronic device 101 (eg, the first communication processor 212 , the second communication 214 , or the unified communication processor 260 ) operates in step 1130, a received signal for a second base station adjacent to the first base station may be measured in a time interval corresponding to a subframe (eg, MBSFN subframe) allocated for reception of the broadcast service data.
  • a subframe eg, MBSFN subframe
  • the electronic device 101 may perform gap measurement in a time interval corresponding to a subframe (eg, MBSFN subframe) allocated for reception of the broadcast service data.
  • the frequency of the received signal for the second base station may be a different frequency from the frequency for communicating with the first base station.
  • the electronic device may temporarily stop data transmission/reception with the first base station while measuring the received signal for the second base station (eg, while performing gap measurement).
  • At least some of the components included in the electronic device 101 of FIG. 4 may support both a frequency for communicating with the first base station and a frequency for communicating with the second base station.
  • processor 120, communication processor 260, RFIC 410, RFFE 420 and the antenna module 430 may support both a frequency for communicating with the first base station (eg, 1.8 GHz) and a reception signal frequency for the second base station (eg, 2.6 GHz).
  • the electronic device 101 may perform operations 1110 to 1130 using the same components. For example, operations 1110 to 1130 may be performed using the first communication processor 212 , the first RFIC 222 , the first RFFE 232 , and the first antenna module 242 of FIG. 2A .
  • a frequency for communicating with the first base station and a frequency for communicating with the second base station may not be supported by the same component.
  • the electronic device 101 performs operations 1110 to 1120 and 1130 in different configurations. This can be done using elements.
  • operations 1110 to 1120 are performed using the first communication processor 212 , the first RFIC 222 , the first RFFE 232 and the first antenna module 242 of FIG. 2A , and FIG. 2A .
  • Operation 1130 may be performed using the second communication processor 214 , the fourth RFIC 228 , and the third antenna module 246 .
  • each of operations 1110 to 1130 is a configuration performed based on a frequency band supported by the first base station and the second base station and a frequency band supported by a component included in the electronic device 101 . Factors can be determined.
  • the electronic device eg, the first communication 212 of FIG. 2A or the unified communication processor 260 of FIG. 2B or 2C
  • the first base station eg, the LTE base station
  • the first communication network eg, LTE network
  • the electronic device 101 may receive measurement gap configuration information from the first base station in operation 1220 .
  • the measurement gap configuration information may be transmitted from the first base station through measurement config.
  • the electronic device 101 provides a second base station adjacent to the first base station in a time interval corresponding to a corresponding subframe set as the measurement gap based on the received measurement gap configuration information in operation 1230. It is possible to measure the received signal.
  • the electronic device 101 may receive broadcast service related information (eg, information related to setting of an MBSFN subframe) through the first communication network in operation 1240 .
  • Operation 1240 may be performed before operation 1220 or operation 1230.
  • the electronic device 101 may check whether broadcast service data is received through the first communication network in operation 1250 . According to various embodiments, when the electronic device 101 does not support the broadcast service, it may be determined that the broadcast service data is not received. According to various embodiments, even when a broadcast service is supported, the electronic device 101 may determine that it does not receive the broadcast service data when it is set to not currently receive the broadcast service data.
  • the electronic device 101 in operation 1260 a time corresponding to a subframe (eg, MBSFN subframe) allocated for reception of the broadcast service data.
  • a received signal for a second base station adjacent to the first base station may be measured.
  • the electronic device 101 sets a time corresponding to a subframe (eg, MBSFN subframe) allocated for reception of the broadcast service data separately from the gap measurement operation in the section set as the measurement gap in operation 1230 .
  • the gap measurement operation can be additionally performed even in the section.
  • each of operations 1210 to 1260 is a configuration performed based on a frequency band supported by the first base station and the second base station and a frequency band supported by a component included in the electronic device 101 . Factors can be determined.
  • the electronic device eg, the first communication 212 of FIG. 2A or the unified communication processor 260 of FIG. 2B or 2C
  • the first base station eg, the LTE base station
  • the first communication network eg, LTE network
  • the electronic device 101 eg, the first communication 212 or the unified communication processor 260 ) performs broadcast service related information (eg, the MBSFN subframe configuration through the first communication network in operation 1320 ). related information) can be received.
  • broadcast service related information eg, the MBSFN subframe configuration through the first communication network in operation 1320 . related information
  • the electronic device 101 may check whether broadcast service data is received through the first communication network in operation 1330 . According to various embodiments, the electronic device 101 may determine that the broadcast service data is not received when the device does not support the broadcast service. According to various embodiments, even in the case of a device that does not support a broadcast service, when it is set to not currently receive broadcast service data, the electronic device 101 may determine that it does not receive the broadcast service data.
  • the electronic device 101 in operation 1340 when it is determined that the broadcast service data is not received, all or at least all of the subframes (eg, MBSFN subframes) allocated for reception of the broadcast service data. Some can be set as a measurement gap (eg, autonomous gap).
  • the electronic device 101 may perform a gap measurement operation in a time interval corresponding to a subframe set as the measurement gap (eg, autonomous gap).
  • each of operations 1310 to 1350 is a configuration performed based on a frequency band supported by the first base station and the second base station and a frequency band supported by a component included in the electronic device 101 . Factors can be determined.
  • a base station eg, the base station 601 of FIG. 6
  • an electronic device eg, the electronic device 101 of FIG. 1
  • a first communication network eg, an LTE network
  • the base station may receive broadcast service related information from the electronic device in operation 1420 .
  • the base station 601 broadcasting broadcast service data eg, eMBMS data
  • may receive a message indicating whether broadcast service data is received eg, “MBMSInterestIndication”
  • the base station 601 may check whether the electronic device 101 has received broadcast service data through the message received from the electronic device 101 .
  • the base station 601 determines at least one subframe allocated for reception of broadcast service data in operation 1440 for an electronic device that is not receiving broadcast service data as a result of checking through the received message. (eg, MBSFN subframe) can set the measurement gap.
  • the base station 601 may configure the MBSFN subframe and the measurement gap to overlap at least partially with respect to the electronic device not receiving the broadcast service data.
  • the base station 601 that does not broadcast broadcast service data overlaps at least a part of the MBSFN subframe and the measurement gap with respect to the electronic device communicating with the corresponding base station regardless of whether the electronic device receives the broadcast service data. can be set.
  • the base station 601 may set the measurement gap not to overlap the MBSFN subframe in the electronic device receiving the broadcast service data as a result of checking through the received message.
  • the base station 601 may transmit measurement gap configuration information configured to overlap the MBSFN subframe with the measurement gap to the corresponding electronic device.
  • the electronic device that has received the measurement gap configuration information may perform gap measurement in a time interval corresponding to the corresponding subframe according to the configuration information.
  • the electronic device 101 supports or subscribes to a broadcast service (hereinafter, referred to as 'eMBMS' for convenience of description) and/or current broadcast service data (eg, eMBMS). data), the measurement gap may be set for the remaining MBSFN subframes except for the MBSFN subframe currently receiving broadcast service data.
  • a broadcast service hereinafter, referred to as 'eMBMS' for convenience of description
  • current broadcast service data eg, eMBMS
  • the measurement gap may be set for the remaining MBSFN subframes except for the MBSFN subframe currently receiving broadcast service data.
  • the electronic device 101 may receive SIB 2 from the base station 601 (eg, the LTE base station eNodeB) in operation 1501 .
  • the communication processor 260 of the electronic device 101 receives MBSFN subframe information (eg, information about the period and number of the MBSFN subframe set in the base station) from SIB 2 received from the base station 601 in operation 1503 . can be checked
  • the SIB 2 may receive both an electronic device supporting a broadcast service and an electronic device not supporting the broadcast service. For example, in the MBSFN subframe, a cell-specific reference signal (CRS) may not be broadcast, and PDSCH and physical uplink shared channel (PUSCH) data may not be transmitted/received.
  • CRS cell-specific reference signal
  • PUSCH physical uplink shared channel
  • the processor 120 (eg, middleware of an application processor (AP)) of the electronic device 101 is configured from the BM-SC 613 (eg, eMBMS server) in operation 1505 .
  • eMBMS session information eg, eMBMS channel information and temporary mobile group identity (TMGI) information corresponding to the channel information
  • the processor 120 may check eMBMS channel information and TMGI information corresponding to the channel information from the information received from the BM-SC 613 in operation 1507 .
  • the electronic device that does not support the eMBMS may omit operation 1505 and may set a measurement gap for all MBSFN subframes configured in the base station 601 .
  • the processor 120 of the electronic device 101 requests (eg, enable) an eMBMS service activation so that the communication processor 440 executes an eMBMS operation according to the need for the eMBMS service. ) command) can be sent.
  • the communication processor 260 of the electronic device 101 may basically operate in an eMBMS service disabled state after the electronic device 101 is booted. After receiving the eMBMS service enable request, the eMBMS service-related operation may be performed by switching to the eMBMS service enabled state in operation 1511 .
  • the communication processor 260 may set a measurement gap for all MBSFN subframes configured in the base station 601 when the eMBMS service is operating in a deactivated state.
  • the communication processor 260 receives SIB 13 from the base station 601 in operation 1513, and multicast control channel (MCCH) related information (eg, MCCH) through the received SIB 13 in operation 1515. information that can be received).
  • MCCH multicast control channel
  • the communication processor 260 may receive an MCCH based on the SIB 13 received in operation 1513 .
  • the MCCH may include MBSFN subframe related information (eg, “MBSFNAreaConfiguration” message).
  • the communication processor 260 may receive a service ID and PMCH information corresponding to the TMGI information received from the processor 120 through the received MCCH in operation 1519 . . According to various embodiments, the communication processor may identify a subframe corresponding to the service ID among MBSFN subframes configured through the received PMCH information.
  • the processor 120 may receive the user input as the selected eMBMS channel activation request.
  • the processor 120 in response to receiving the eMBMS channel activation request from the user, in operation 1523 , transmits the TMGI corresponding to the selected eMBMS channel to the communication processor 260 . can be requested to be activated.
  • the communication processor 260 transmits channel information (eg, broadcast channel information corresponding to the PMCH or frequency information corresponding to the broadcast channel) for receiving eMBMS data in operation 1525 to the base station 601 through the MBMSInterestIndication message. ) can be transmitted.
  • the base station 601 may receive channel information for receiving the eMBMS data, and may confirm that the corresponding electronic device 601 is receiving the eMBMS data.
  • the communication processor 260 may notify the base station 601 that the eMBMS data is not received through the MBMSInterestIndication message even when the eMBMS data is no longer received.
  • the method of operating an electronic device includes an operation of communicating with a first communication network in connection with a first base station, checking whether broadcast service data is received through the first communication network, and the As a result of the check, when the electronic device does not receive the broadcast service data, within a time interval corresponding to at least one subframe allocated for reception of the broadcast service data, at least one second adjacent to the first base station 2 It may include an operation of measuring a received signal for the base station.
  • the frequency of the received signal for the second base station may be a different frequency from the frequency for communicating with the first base station.
  • data transmission/reception with the first base station may be stopped while measuring the received signal for the second base station.
  • the method may determine that the broadcast service data is not received.
  • the method when the electronic device is an electronic device supporting a broadcast service and it is currently set not to receive the broadcast service data, the method includes at least one sub allocated for reception of the broadcast service data.
  • the method may further include measuring a received signal for at least one second base station adjacent to the first base station within a time interval corresponding to the frame.
  • the method may further include receiving setting information related to reception of the broadcast service data from the application processor.
  • the method may further include receiving information related to a channel selected by a user from among the broadcast service data from the application processor.
  • the method includes: receiving configuration information of a subframe for measuring a reception signal for at least one second base station adjacent to the first base station from the first base station, and the received configuration
  • the method may further include measuring a received signal for at least one second base station adjacent to the first base station within a time interval corresponding to the subframe according to the information.
  • the method of operating a base station includes an operation of transmitting and receiving data corresponding to a first communication network in connection with at least one electronic device, and each of the broadcasting service related information received from the at least one electronic device An operation of confirming whether the electronic device has received broadcast service data, and, as a result of the check, for at least one electronic device that does not receive the broadcast service data, in at least one subframe allocated for reception of the broadcast service data In a corresponding time interval, the method may include setting to measure a received signal for at least one other base station adjacent to the base station.
  • the electronic device may have various types of devices.
  • the electronic device may include, for example, a computer device, a portable communication device (eg, a smartphone), a portable multimedia device, a portable medical device, a camera, a wearable device, or a home appliance device.
  • a computer device e.g., a laptop, a desktop, a tablet, or a smart phone.
  • a portable communication device eg, a smartphone
  • portable multimedia device e.g., a portable medical device
  • camera e.g., a camera
  • a wearable device e.g., a portable medical device
  • a home appliance device e.g., a portable medical device, a portable medical device, a camera, a wearable device, or a home appliance device.
  • the electronic device according to the embodiment of the present document is not limited to the above-described devices.
  • module may include a unit implemented in hardware, software, or firmware, and may be used interchangeably with terms such as, for example, logic, logic block, component, or circuit.
  • a module may be an integrally formed part or a minimum unit or a part of the part that performs one or more functions.
  • the module may be implemented in the form of an application-specific integrated circuit (ASIC).
  • ASIC application-specific integrated circuit
  • 'non-transitory' only means that the storage medium is a tangible device and does not contain a signal (eg, electromagnetic wave), and this term is used in cases where data is semi-permanently stored in the storage medium and It does not distinguish between temporary storage cases.
  • a signal eg, electromagnetic wave
  • the method according to various embodiments disclosed in this document may be provided as included in a computer program product.
  • Computer program products may be traded between sellers and buyers as commodities.
  • the computer program product is distributed in the form of a device-readable storage medium (eg compact disc read only memory (CD-ROM)), or through an application store (eg Play StoreTM) or on two user devices (eg, It can be distributed (eg downloaded or uploaded) directly or online between smartphones (eg: smartphones).
  • a part of the computer program product may be temporarily stored or temporarily created in a machine-readable storage medium such as a memory of a server of a manufacturer, a server of an application store, or a relay server.
  • each component eg, a module or a program of the above-described components may include a singular or a plurality of entities.
  • one or more components or operations among the above-described corresponding components may be omitted, or one or more other components or operations may be added.
  • a plurality of components eg, a module or a program
  • the integrated component may perform one or more functions of each component of the plurality of components identically or similarly to those performed by the corresponding component among the plurality of components prior to the integration. .
  • operations performed by a module, program, or other component are executed sequentially, in parallel, repeatedly, or heuristically, or one or more of the operations are executed in a different order, or omitted. or one or more other operations may be added.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Multimedia (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Selon divers modes de réalisation, la présente invention concerne un dispositif électronique qui comprend : un processeur de communication ; au moins un circuit intégré radiofréquence (RFIC) couplé au processeur de communication ; et une antenne connectée par l'au moins un RFIC pour transmettre un signal correspondant à au moins un réseau de communication, le processeur de communication pouvant : commander la communication avec un premier réseau de communication en étant connecté à une première station de base ; confirmer si des données de service de diffusion sont reçues par l'intermédiaire du premier réseau de communication ; et à la suite de la confirmation, lorsque le dispositif électronique ne reçoit pas les données de service de diffusion, commander pour mesurer un signal reçu pour au moins une seconde station de base adjacente à la première station de base dans un intervalle de temps correspondant à au moins une sous-trame attribuée pour la réception des données de service de diffusion. Divers autres modes de réalisation sont possibles.
PCT/KR2021/007537 2020-06-18 2021-06-16 Dispositif électronique et procédé de mesure de qualité de signal d'une cellule adjacente dans un dispositif électronique WO2021256847A1 (fr)

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KR1020200074565A KR20210156687A (ko) 2020-06-18 2020-06-18 전자 장치 및 전자 장치에서의 인접 셀의 신호 품질 측정 방법
KR10-2020-0074565 2020-06-18

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Citations (5)

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WO2012139639A2 (fr) * 2011-04-13 2012-10-18 Nokia Siemens Networks Oy Gestion de mobilité
US20140334350A1 (en) * 2013-05-08 2014-11-13 Research In Motion Limited Methods and apparatus for cell measurement
US20150023243A1 (en) * 2012-01-30 2015-01-22 China Academy Of Telecommunications Technology Mbms service reception and ability transmission method and device
US20150257089A1 (en) * 2009-02-10 2015-09-10 Samsung Electronics Co., Ltd. Method for transmitting mbsfn subframe configuration information of neighboring cells
US20200014481A1 (en) * 2017-02-02 2020-01-09 Intel Corporation Network assisted lte crs interference mitigation

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US20150257089A1 (en) * 2009-02-10 2015-09-10 Samsung Electronics Co., Ltd. Method for transmitting mbsfn subframe configuration information of neighboring cells
WO2012139639A2 (fr) * 2011-04-13 2012-10-18 Nokia Siemens Networks Oy Gestion de mobilité
US20150023243A1 (en) * 2012-01-30 2015-01-22 China Academy Of Telecommunications Technology Mbms service reception and ability transmission method and device
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