WO2022154302A1

WO2022154302A1 - Electronic device for reducing harmonic interference and operating method therefor

Info

Publication number: WO2022154302A1
Application number: PCT/KR2021/019631
Authority: WO
Inventors: 전민환; 도민홍; 이동주; 진수호
Original assignee: 삼성전자 주식회사
Priority date: 2021-01-15
Filing date: 2021-12-22
Publication date: 2022-07-21
Also published as: KR20220103400A

Abstract

Various embodiments of the present invention relate to a device and a method for reducing harmonic interference in an electronic device. The electronic device may comprise: a first communication circuit and a second communication circuit which include a plurality of reception paths; and at least one processor, wherein the processor: when a first frequency used for communication of a first network and a second frequency used for communication of a second network have a multiplication relationship, identifies whether harmonic interference occurs due to the communication of the second network; and when it is determined that the harmonic interference has occurred due to the communication of the second network, changes a first reception path for the first network to a second reception path different from the first reception path. Other embodiments may also be possible.

Description

Electronic device for reducing harmonic interference and method of operation thereof

Various embodiments of the present invention relate to an apparatus and method for reducing harmonic interference in an electronic device supporting dual connectivity (DC).

Efforts are being made to develop an improved 5G communication system or pre-5G communication system in order to meet the increasing demand for wireless data traffic after commercialization of the 4G communication system. For this reason, the 5G communication system or the pre-5G communication system is called a 4G network after (Beyond 4G Network) communication system or an LTE system after (Post LTE) communication system. In order to achieve a high data rate, the 5G communication system uses a band of 6 gigabytes (6GHz) or less (for example, about 1.8GHz band or about 3.5GHz band) or a band of 6 gigabytes (6GHz) or more (for example, about 28GHz). band or about 39 GHz band) is being considered. In order to alleviate the path loss of radio waves and increase the propagation distance of radio waves, in the 5G communication system, beamforming, massive MIMO, full dimensional MIMO (FD-MIMO), and array antennas are used. (array antenna), analog beam-forming (analog beam-forming), and large-scale antenna (large scale antenna) technologies are being discussed.

The electronic device may support dual connectivity (DC) for transmitting and/or receiving data through two nodes (eg, a base station or a transmission node). For example, the electronic device may access a first node through a first network (eg, a long term evolution (LTE) network) and access a second node through a second network (eg, a new radio (NR) network). can

When the first frequency used for communication with the first node through the first network and the second frequency used for communication with the second node through the second network have a multiplicative relationship, the electronic device generates harmonics due to the multiplicative frequencies. Harmonic interference may occur to degrade communication performance with the first network and/or the second network.

Various embodiments of the present invention disclose an apparatus and method for reducing interference due to multiplicative frequencies in an electronic device supporting dual access with a first network and a second network.

According to various embodiments, the electronic device performs communication between a first node and a first network, and includes a first communication circuit including a plurality of reception paths usable for communication of the first network, a second node, and a second communication device. a second communication circuit for performing network communication and at least one processor operatively coupled to the first communication circuit and the second communication circuit, wherein the processor is configured to: performing communication between the first node and the first network through a first reception path among paths, performing communication between the second node and the second network through the second communication circuit, and performing communication with the first network If the first frequency used for the communication of the second network and the second frequency used for the communication of the second network are in a multiplicative relationship, it is checked whether harmonic interference occurs due to the communication of the second network, and the communication of the second network is When it is determined that harmonic interference has occurred, the first reception path for the first network may be changed to a second reception path different from the first reception path.

According to various embodiments of the present disclosure, a method of operating an electronic device includes an operation of connecting communication with a first network using a first communication circuit, an operation of connecting communication with a second network using a second communication circuit, and the first When a first frequency used for communication of a network and a second frequency used for communication of the second network are in a multiplicative relationship, checking whether harmonic interference occurs due to communication of the second network, and the second network and changing a reception path used for communication with the first network by the first communication circuit when it is determined that harmonic interference has occurred.

According to various embodiments of the present disclosure, in an electronic device supporting dual connectivity (DC), harmonic interference related to at least one of a first network and a second network using a frequency band of a multiplication relationship. ) is detected, by changing a reception resource (eg, a reception path) of a network affected by harmonic interference, it is possible to improve reception performance by reducing the influence of harmonic interference.

1 is a block diagram of an electronic device in a network environment, according to various embodiments of the present disclosure;

2 is a block diagram of an electronic device for supporting legacy network communication and 5G network communication, according to various embodiments of the present disclosure;

3 is a diagram illustrating a protocol stack structure of the network 100 of 4G communication and/or 5G communication according to various embodiments.

4 is a diagram illustrating wireless communication systems that provide a network of 4G communication and/or 5G communication according to various embodiments of the present disclosure.

5 is a block diagram of an electronic device supporting dual access according to various embodiments of the present disclosure;

6A and 6B are block diagrams of a communication circuit for changing a reception resource according to various embodiments.

7A and 7B are block diagrams of a communication circuit for changing a reception resource using a switch according to various embodiments of the present disclosure;

8 is a flowchart for changing a reception resource in an electronic device according to various embodiments of the present disclosure;

9 is a flowchart for detecting harmonic interference in an electronic device according to various embodiments of the present disclosure;

10 is a flowchart for setting a reception path in an electronic device according to various embodiments of the present disclosure;

Hereinafter, various embodiments will be described in detail with reference to the accompanying drawings.

1 is a block diagram of an electronic device 101 in a network environment 100 according to various embodiments of the present disclosure. Referring to FIG. 1 , in a network environment 100 , 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 at least one of the electronic device 104 and 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 . According to an embodiment, 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 . In some embodiments, at least one of these components (eg, the connection terminal 178 ) may be omitted or one or more other components may be added to the electronic device 101 . In some embodiments, some of these components (eg, sensor module 176 , camera module 180 , or antenna module 197 ) are integrated into one component (eg, display module 160 ). can be

The processor 120, for example, executes software (eg, the 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 . According to an embodiment, the processor 120 is the main processor 121 (eg, a central processing unit or an application processor) or a secondary processor 123 (eg, a graphics processing unit, a neural network processing unit) a neural processing unit (NPU), an image signal processor, a sensor hub processor, or a communication processor). For example, when the electronic device 101 includes the main processor 121 and the sub-processor 123 , the sub-processor 123 uses less power than the main processor 121 or is set to be specialized for a specified function. can The auxiliary processor 123 may be implemented separately from or as a part of the main processor 121 .

The secondary processor 123 may, for example, act on behalf of the main processor 121 while the main processor 121 is in an inactive (eg, sleep) state, or when 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. According to an embodiment, the coprocessor 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. According to an embodiment, the auxiliary processor 123 (eg, a neural network processing unit) 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 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, 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 by a component (eg, the processor 120 ) of the electronic device 101 from the outside (eg, a user) of the electronic device 101 . The input 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 can be used to receive incoming calls. According to one embodiment, the receiver may be implemented separately from or as part of the speaker.

The display 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. According to an embodiment, the display module 160 may include a touch sensor configured to sense a touch or a pressure sensor configured to measure the intensity of 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 ) directly or wirelessly connected to the electronic device 101 . The electronic device 102) (eg, a speaker or headphones) may output a sound.

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 sensed state. can do. According to an embodiment, 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 specified protocols that may be used by the electronic device 101 to directly or wirelessly connect with an external electronic device (eg, the electronic device 102 ). According to an embodiment, the interface 177 may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.

The connection terminal 178 may include a connector through which the electronic device 101 can be physically connected to an external electronic device (eg, the electronic device 102 ). According to an embodiment, the connection terminal 178 may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (eg, a headphone connector).

The haptic module 179 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. According to an embodiment, 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 . According to an embodiment, the power management module 188 may be implemented as, for example, at least a part of a power management integrated circuit (PMIC).

The battery 189 may supply power to at least one component of the electronic device 101 . According to one embodiment, battery 189 may include, for example, a non-rechargeable primary cell, a rechargeable secondary cell, or a fuel cell.

The communication module 190 is a direct (eg, wired) communication channel or a wireless communication channel between the electronic device 101 and an external electronic device (eg, the electronic device 102, the electronic device 104, or the server 108). It can support establishment and communication performance through the established communication channel. The communication module 190 may include one or more communication processors that operate independently of the processor 120 (eg, an application processor) and support direct (eg, wired) communication or wireless communication. According to one embodiment, the communication module 190 is a wireless communication module 192 (eg, a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module 194 (eg, : It may include a local area network (LAN) communication module, or a power line communication module). A corresponding communication module among these communication modules is a first network 198 (eg, a short-range communication network such as Bluetooth, wireless fidelity (Wi-Fi) direct, or infrared data association (IrDA)) or a second network 199 (eg, : It is possible to communicate with the external electronic device 104 through a legacy cellular network, a 5G network, a next-generation communication network, the Internet, or a telecommunication network such as a computer network (eg, LAN or WAN). These various types of communication modules may be integrated into one component (eg, a single chip) or may be implemented as a plurality of components (eg, multiple chips) separate from each other. 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 . 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)). 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 techniques 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 defined in the electronic device 101 , an external electronic device (eg, the electronic device 104 ), or a network system (eg, the second network 199 ). According to an embodiment, the wireless communication module 192 includes a peak data rate (eg, 20 Gbps or more) for realization of eMBB, loss coverage for realization of mMTC (eg, 164 dB or less), or U-plane latency (for URLLC realization) ( Example: Downlink (DL) and uplink (UL) each 0.5 ms or less, or round trip 1 ms or less) can be supported. According to various embodiments, the subscriber identification module 196 may include a plurality of subscriber identification modules. For example, the plurality of subscriber identification modules may store different subscriber information.

The antenna module 197 may transmit or receive a signal or power to the outside (eg, an external electronic device). According to an embodiment, 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. According to an embodiment, 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 scheme used in a communication network such as the first network 198 or the second network 199 is selected from a plurality of antennas by, for example, the communication module 190 . can be A signal or power may be transmitted or received between the communication module 190 and an external electronic device through at least one selected antenna. According to some embodiments, other components (eg, a radio frequency integrated circuit (RFIC)) other than the radiator may be additionally formed as a part of the antenna module 197 .

According to various embodiments, the antenna module 197 may form a high-frequency (eg, mmWave) antenna module. According to one embodiment, a high frequency (eg mmWave) antenna module is disposed on or adjacent to a printed circuit board, a first side (eg, bottom side) of the printed circuit board and supports a designated high frequency band (eg, mmWave band). an RFIC capable of capable of transmitting or receiving a signal in a designated high frequency band and disposed on or adjacent to a second side (eg, top or side) of the printed circuit board (eg, an array antenna). may include For example, the plurality of antennas may include a patch array antenna and/or a dipole array antenna.

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

According to an embodiment, 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 . According to an embodiment, all or part of the operations performed by the electronic device 101 may be executed by one or more external

electronic devices

102 , 104 , or 108 . For example, when the electronic device 101 needs to perform a function or service automatically or in response to a request from a user or other device, the electronic device 101 may perform the function or service itself instead of executing the function or service itself. Alternatively or additionally, 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. For this purpose, for example, 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. In another embodiment, the external electronic device 104 may include an Internet of things (IoT) device. The server 108 may be an intelligent server using machine learning and/or neural networks. According to an embodiment, the external electronic device 104 or the server 108 may be included in the second network 199 . The electronic device 101 may be applied to an intelligent service (eg, smart home, smart city, smart car, or health care) based on 5G communication technology and IoT-related technology.

The electronic device according to various embodiments disclosed in this document may have various types of devices. The electronic device may include, for example, a portable communication device (eg, a smart phone), a computer device, a portable multimedia device, a portable medical device, a camera, a wearable device, or a home appliance device. The electronic device according to the embodiment of the present document is not limited to the above-described devices.

The various embodiments of this document and the terms used therein are not intended to limit the technical features described in this document to a specific embodiment, but it should be understood to include various modifications, equivalents, or substitutions of the embodiments. In connection with the description of the drawings, like reference numerals may be used for similar or related components. The singular form of the noun corresponding to the item may include one or more of the item, unless the relevant context clearly dictates otherwise. As used herein, "A or B", "at least one of A and B", "at least one of A or B", "A, B or C", "at least one of A, B and C", and "A , B, or C," each of which may include any one of the items listed together in the corresponding one of the phrases, or all possible combinations thereof. Terms such as "first", "second", or "first" or "second" may simply be used to distinguish an element from other elements in question, and may refer elements to other aspects (e.g., importance or order) is not limited. It is said that one (eg, first) component is “coupled” or “connected” to another (eg, second) component, with or without the terms “functionally” or “communicatively”. When referenced, it means that one component can be connected to the other component directly (eg by wire), wirelessly, or through a third component.

The term “module” used in various embodiments of this document may include a unit implemented in hardware, software, or firmware, for example, and interchangeably with terms such as logic, logic block, component, or circuit. can be used A module may be an integrally formed part or a minimum unit or a part of the part that performs one or more functions. For example, according to an embodiment, the module may be implemented in the form of an application-specific integrated circuit (ASIC).

Various embodiments of the present document include one or more instructions stored in a storage medium (eg, internal memory 136 or external memory 138) readable by a machine (eg, electronic device 101). may be implemented as software (eg, the program 140) including For example, the processor (eg, the processor 120 ) of the device (eg, the electronic device 101 ) may call at least one of the one or more instructions stored from the storage medium and execute it. This makes it possible for the device to be operated to perform at least one function in accordance with the called at least one command. 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. Here, '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.

According to one embodiment, the method according to various embodiments disclosed in this document may be provided by being included in a computer program product. Computer program products may be traded between sellers and buyers as commodities. The computer program product is distributed in the form of a machine-readable storage medium (eg compact disc read only memory (CD-ROM)), or via an application store (eg Play Store ^TM ) or on two user devices ( It can be distributed (eg downloaded or uploaded) directly or online between smartphones (eg: smartphones). In the case of online distribution, at least a portion of the computer program product may be temporarily stored or temporarily generated in a machine-readable storage medium such as a memory of a server of a manufacturer, a server of an application store, or a memory of a relay server.

According to various embodiments, each component (eg, module or program) of the above-described components may include a singular or a plurality of entities, and some of the plurality of entities may be separately disposed in other components. . According to various embodiments, 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. Alternatively or additionally, a plurality of components (eg, a module or a program) may be integrated into one component. In this case, 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. . According to various embodiments, 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, omitted, or , or one or more other operations may be added.

2 is a block diagram 200 of an electronic device 101 for supporting legacy network communication and 5G network communication, according to various embodiments of the present disclosure.

Referring to FIG. 2 , according to various embodiments, the electronic device 101 includes a first communication processor 212 , a second communication processor 214 , a first radio frequency integrated circuit (RFIC) 222 , and a second RFIC. 224 , 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 120 and a memory 130 . The network 199 may include a first network 292 and a second network 294 . According to another embodiment, the electronic device 101 may further include at least one component among the components illustrated in FIG. 1 , and the network 199 may further include at least one other network. According to an embodiment, 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 . According to another embodiment, 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 network 292 and legacy network communication through the established communication channel. According to an embodiment, the first network may be a legacy network including a second generation (2G), 3G, 4G, or long term evolution (LTE) network. The second communication processor 214 establishes a communication channel corresponding to a designated band (eg, about 6 GHz to about 60 GHz) among bands to be used for wireless communication with the

second network

294 , and 5G network communication through the established communication channel can support According to an embodiment, the second network 294 may be a 5G network (eg, new radio (NR)) defined by 3GPP. Additionally, according to an embodiment, the first communication processor 212 or the second communication processor 214 is configured to correspond to another designated band (eg, about 6 GHz or less) among bands to be used for wireless communication with the second network 294 . It is possible to support the establishment of a communication channel, and 5G network communication through the established communication channel. According to one embodiment, the first communication processor 212 and the second communication processor 214 may be implemented in a single chip or a single package. According to an embodiment, the first communication processor 212 or the second communication processor 214 may be formed in a single chip or a single package with the processor 120 , the coprocessor 123 , or the communication module 190 . .

According to an embodiment, the first communication processor 212 may transmit/receive data to and from the second communication processor 214 . For example, data classified to be transmitted through the second network 294 may be changed to be transmitted through the first network 292 .

In this case, the first communication processor 212 may receive transmission data from the second communication processor 214 . For example, the first communication processor 212 may transmit and receive data through the interface between the second communication processor 214 and the processor. For example, the interprocessor interface may be implemented as a universal asynchronous receiver/transmitter (UART) (eg, high speed-UART (HS-UART)) or a peripheral component interconnect bus express (PCIe) interface, but there is no limitation on the type . For example, the first communication processor 212 and the second communication processor 214 may exchange control information and packet data information using a shared memory. For example, the first communication processor 212 may transmit/receive various information such as sensing information, information on output strength, and resource block (RB) allocation information to and from the second communication processor 214 .

Depending on the implementation, the first communication processor 212 may not be directly coupled to the second communication processor 214 . In this case, the first communication processor 212 may transmit and receive data through the second communication processor 214 and the processor 120 (eg, an application processor). For example, 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. For example, 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). can According to one embodiment, 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 coprocessor 123 , or the communication module 190 . .

The first RFIC 222, when transmitting, transmits a baseband signal generated by the first communication processor 212 to about 700 MHz to about 3 GHz used in the first network 292 (eg, a legacy network). can be converted to a radio frequency (RF) signal of Upon reception, an RF signal is obtained from a first network 292 (eg, a legacy network) via an antenna (eg, a first antenna module 242 ), and via an RFFE (eg, a first RFFE 232 ). It may 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, transmits the baseband signal generated by the first communication processor 212 or the second communication processor 214 to the second network 294 (eg, a 5G network). It can be converted into an RF signal (hereinafter, 5G Sub6 RF signal) of the Sub6 band (eg, about 6 GHz or less). Upon reception, a 5G Sub6 RF signal is obtained from the second network 294 (eg, 5G network) via an antenna (eg, second antenna module 244 ), and RFFE (eg, second RFFE 234 ) can be pre-processed. The second RFIC 224 may convert the preprocessed 5G Sub6 RF signal into a baseband signal to be processed by a corresponding one of the first communication processor 212 or the second communication processor 214 .

The third RFIC 226 transmits the baseband signal generated by the second communication processor 214 to the RF of the 5G Above6 band (eg, about 6 GHz to about 60 GHz) to be used in the second network 294 (eg, 5G network). It can be converted into a signal (hereinafter referred to as 5G Above6 RF signal). Upon reception, a 5G Above6 RF signal may be obtained from the second network 294 (eg, 5G network) via an antenna (eg, antenna 248 ) and pre-processed via a third RFFE 236 . The third RFIC 226 may convert the preprocessed 5G Above6 RF signal into a baseband signal to be processed by the second communication processor 214 . According to one embodiment, the third RFFE 236 may be formed as part of the third RFIC 226 .

According to an embodiment, the electronic device 101 may include the fourth RFIC 228 separately from or as at least a part of the third RFIC 226 . In this case, 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. Upon reception, the 5G Above6 RF signal may be received from the second network 294 (eg, 5G network) via an antenna (eg, antenna 248 ) and converted into an IF signal by the third RFIC 226 . . The fourth RFIC 228 may convert the IF signal into a baseband signal for processing by the second communication processor 214 .

According to an embodiment, 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. According to an embodiment, 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. According to an embodiment, 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.

According to an embodiment, the third RFIC 226 and the antenna 248 may be disposed on the same substrate to form the third antenna module 246 . For example, the wireless communication module 192 or the processor 120 may be disposed on the first substrate (eg, main PCB). In this case, 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. By disposing the third RFIC 226 and the antenna 248 on the same substrate, it is possible to reduce the length of the transmission line therebetween. This, for example, can reduce loss (eg, attenuation) of a signal in a high-frequency band (eg, about 6 GHz to about 60 GHz) used for 5G network communication by the transmission line. Accordingly, the electronic device 101 may improve the quality or speed of communication with the second network 294 (eg, a 5G network).

According to an embodiment, the antenna 248 may be formed as an antenna array including a plurality of antenna elements that may be used for beamforming. In this case, the third RFIC 226 may include, for example, as a part of the third RFFE 236 , a plurality of phase shifters 238 corresponding to a plurality of antenna elements. During transmission, 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. . Upon reception, each of the plurality of phase shifters 238 may convert the phase of the 5G Above6 RF signal received from the outside through the corresponding antenna element into the same or substantially the same phase. This enables transmission or reception through beamforming between the electronic device 101 and the outside.

The second network 294 (eg, 5G network) may be operated independently (eg, stand-alone (SA)) or connected to the first network 292 (eg, legacy network) (eg: non-stand alone (NSA)). For example, the 5G network may have only an access network (eg, 5G radio access network (RAN) or next generation RAN (NG RAN)), and may not have a core network (eg, next generation core (NGC)). In this case, after accessing the access network of the 5G network, 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. Protocol information for communication with a legacy network (eg, LTE protocol information) or protocol information for communication with a 5G network (eg, new radio (NR) protocol information) is stored in the memory 130, and other components (eg, processor 120 , the first communication processor 212 , or the second communication processor 214 ).

Referring to FIG. 3 , according to various embodiments, the network 100 may include an electronic device 101 , a 4G network 392 , a 5G network 394 , and a server 108 .

According to various embodiments, the electronic device 101 may include an Internet protocol 312 , a first communication protocol stack 314 , and a second communication protocol stack 316 . For example, the electronic device 101 may communicate with the server 108 via the 4G network 392 and/or the 5G network 394 .

According to an embodiment, the electronic device 101 communicates with the server 108 using an internet protocol 312 (eg, transmission control protocol (TCP), user datagram protocol (UDP), and internet protocol (IP)). Associated Internet communication may be performed. For example, the Internet protocol 312 may be executed in a main processor (eg, the main processor 121 of FIG. 1 ) included in the electronic device 101 .

According to another embodiment, the electronic device 101 may wirelessly communicate with the 4G network 392 using the first communication protocol stack 314 . According to another embodiment, the electronic device 101 may wirelessly communicate with the 5G network 394 using the second communication protocol stack 316 . For example, the first communication protocol stack 314 and the second communication protocol stack 316 may be executed in one or more communication processors (eg, the wireless communication module 192 of FIG. 1 ) included in the electronic device 101 . have.

According to various embodiments, server 108 may include Internet protocol 322 . The server 108 may transmit/receive data related to the electronic device 101 and the Internet protocol 322 through the 4G network 392 and/or the 5G network 394 . According to one embodiment, server 108 may include a cloud computing server residing outside of

4G network

392 or 5G network 394 . According to another embodiment, the server 108 may include an edge computing server (or mobile edge computing (MEC) server) located inside at least one of the 4G network 392 or the 5G network 394 .

According to various embodiments, the 4G network 392 may include a long term evolution (LTE) base station 340 and an evolved packed co (EPC) 342 . The LTE base station 340 may include an LTE communication protocol stack 344 . The EPC 342 may include a legacy non-access stratum (NAS) protocol 346 . The 4G 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 .

According to various embodiments, the 5G network 394 may include a new radio (NR) base station 350 and a 5th generation core (5GC) 352 . The NR base station 350 may include an NR communication protocol stack 354 . 5GC 352 may include 5G NAS protocol 356 . The 5G network 394 may perform NR wireless communication with the electronic device 101 using the NR communication protocol stack 354 and the 5G NAS protocol 356 .

According to one embodiment, the first communication protocol stack 314 , the second communication protocol stack 316 , the LTE communication protocol stack 344 and the NR communication protocol stack 354 include a control plane protocol for sending and receiving control messages and It may include a user plane protocol for transmitting and receiving user data. For example, the control message may include a message related to at least one of security control, bearer establishment, authentication, registration, or mobility management. For example, the user data may include data other than the control message.

According to an embodiment, the 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. For example, the PHY layer channel-codes and modulates data received from an upper layer (e.g., MAC layer) to transmit it to a radio channel, and demodulates and decodes data received through the radio channel to deliver it to the upper layer. have. 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. For example, the MAC layer may logically/physically map a radio channel through which data is to be transmitted/received, and may perform hybrid automatic repeat request (HARQ) for error correction. For example, the RLC layer may concatenate, segment, or reassemble data and perform order check, rearrangement, or redundancy check of data. For example, the PDCP layer may perform operations related to ciphering of control data and user data and data integrity. The second communication protocol stack 316 and the NR communication protocol stack 354 may further include a service data adaptation protocol (SDAP). For example, SDAP may manage radio bearer allocation based on quality of service (QoS) of user data.

According to various embodiments, the control plane protocol may include a radio resource control (RRC) layer and a non-access stratum (NAS) layer. For example, the RRC layer may process control data related to radio bearer establishment, paging, or mobility management. For example, the NAS may process control messages related to authentication, registration, and mobility management.

According to various embodiments, the electronic device 101 may include a plurality of subscriber identification modules (eg, a first subscriber identification module and a second subscriber identification module). According to an embodiment, the electronic device 101 stores subscriber information (eg, international mobile subscriber identity (IMSI)) stored in each of a plurality of subscriber identification modules (eg, a first subscriber identification module and a second subscriber identification module). based on the 4G network 392 and/or the 5G network 394 .

According to various embodiments, the electronic device 101 may further include a third communication protocol stack (not shown) and a fourth communication protocol stack (not shown) to support a plurality of subscriber identification modules. For example, the third communication protocol stack may correspond to the first communication protocol stack 314 and include various protocols for wireless communication with the 4G network 392 . For example, the fourth communication protocol stack may correspond to the second communication protocol stack 316 and include various protocols for wireless communication with the 5G network 394 . According to an embodiment, when performing communication using the first subscriber identification module, the electronic device 101 performs wireless communication with the 4G network 392 using the first communication protocol stack 314 or 2 It is possible to perform wireless communication with the 5G network 394 using the communication protocol stack 316 . According to an embodiment, when performing communication using the second subscriber identification module, the electronic device 101 performs wireless communication with the 4G network 392 using the third communication protocol stack or the fourth communication protocol The stack may be used to perform wireless communication with the 5G network 394 .

Referring to FIG. 4 , the network environment 100A may include at least one of a 4G network and a 5G network. For example, the 4G network may include an LTE base station (eg, an eNB (eNodeB)) of the 3GPP standard that supports the electronic device 101 and wireless access and an evolved packet core (EPC) that manages 4G communication. For example, the 5G network includes a new radio (NR) base station (eg, gNB (gNodeB)) supporting wireless access with the electronic device 101 and a 5th generation core (5GC) that manages 5G communication of the electronic device 101 . may include.

According to various embodiments, the electronic device 101 may transmit and/or receive a control message and user data through 4G communication and/or 5G communication. For example, the control message is a message related to at least one of security control, bearer setup, authentication, registration, or mobility management of the electronic device 101 . may include. For example, the user data may refer to user data excluding a control message transmitted/received between the electronic device 101 and the core network 430 (eg, EPC and/or 5GC).

According to various embodiments, the electronic device 101 uses at least a portion (eg, an LTE base station, EPC) of a first network (eg, a 4G network or a 5G network) to a second network (eg, a 5G network or a 4G network) ) may transmit/receive at least one of a control message or user data related to the .

According to various embodiments, the network environment 100A provides a wireless communication dual connectivity (MR-DC: multi-radio access technology (RAT) dual connectivity) to an LTE base station and an NR base station, and one core of the EPC or 5GC It may include a network environment in which the electronic device 101 and the control message are transmitted and/or received through the network 430 .

According to various embodiments, one of the LTE base station or the NR base station operates as a first node (eg, a master node (MN)) 410 and the other is a second node (eg, a secondary node (SN)). (420). According to an embodiment, the first node 410 may be connected to the core network 430 to transmit and/or receive a control message. According to an embodiment, the first node 410 and the second node 420 may be connected through a network interface to transmit and/or receive a message related to radio resource (eg, communication channel) management. According to an embodiment, the first node 410 may be configured as an LTE base station, the second node 420 may be configured as an NR base station, and the core network 430 may be configured as an EPC. For example, the electronic device 101 may transmit and/or receive a control message through the LTE base station and transmit and/or receive user data through the LTE base station and the NR base station. According to an embodiment, the first node 410 may be configured as an NR base station, the second node 420 may be configured as an LTE base station, and the core network 430 may be configured as 5GC. For example, the electronic device 101 may transmit and/or receive a control message through the NR base station and transmit and/or receive user data through the LTE base station and the NR base station.

5 is a block diagram of an electronic device supporting dual access according to various embodiments of the present disclosure; According to an embodiment, the electronic device 101 of FIG. 5 may be at least partially similar to the electronic device 101 of FIGS. 1 , 2 , 3 or 4 , or may further include other embodiments of the electronic device. .

According to various embodiments with reference to FIG. 5 , the electronic device 101 may include a processor 500 , a wireless communication circuit 510 , and/or a memory 520 . According to an embodiment, the processor 500 may be substantially the same as the processor 120 (eg, an application processor) of FIG. 1 , or may be included in the processor 120 . The wireless communication circuit 510 may be substantially the same as the wireless communication module 192 of FIG. 1 , or may be included in the wireless communication module 192 . The memory 520 may be substantially the same as the memory 130 of FIG. 1 or may be included in the memory 130 .

According to various embodiments, the processor 500 may be operatively coupled to the wireless communication circuit 510 and/or the memory 520 . According to an embodiment, the processor 500 is an application processor (AP) (eg, the main processor 121 of FIG. 1 ) and/or a communication processor (CP) (eg, a secondary processor of FIG. 1 ). (123)) may be included. According to an embodiment, the communication processor may include a first processing part and a second processing part. For example, the first processing portion may include wireless communication circuitry 510 (or first communication circuitry 512) to perform communication with a first node (eg, first node 410 in FIG. 4 ) over a first network. ) can be controlled. In one example, the first processing portion may control the wireless communication circuitry 510 (or the first communication circuitry 512 ) to transmit and/or receive control messages and/or data with the first node over the first network. have. For example, the second processing portion may include wireless communication circuitry 510 (or second communication circuitry 514) to perform communication with a second node (eg, second node 420 in FIG. 4 ) via a second network. ) can be controlled. In one example, the second processing portion may transmit and/or receive control messages and/or data with the second node via the second network. For example, the first processing part and the second processing part may be composed of software that processes signals and protocols of different frequency bands. For example, the first processing portion and the second processing portion may be configured with different circuits or different hardware. For example, the first processing part and the second processing part may be logically (eg, software) divided parts. As an example, the first network may support at least one communication method of long-term evolution (LTE), LTE-advanced (LTE-A), or LTE advanced pro (LTE-A pro) as a 4G communication method. . For example, the second network may support a 5G communication scheme (eg, new radio (NR)).

According to various embodiments, the processor 500 includes a first node (eg, the first node 410 of FIG. 4 ) supporting the first network through the wireless communication circuit 510 and a second node supporting the second network. Dual connection with a node (eg, the second node 420 of FIG. 4 ) may be supported. According to an embodiment, the dual connectivity of the electronic device 101 transmits and/or receives control messages and data via a first node of a first network, and transmits and/or receives data via a second node of a second network. or EN-DC (E-UTRA - NR dual connectivity) receiving, sending and/or receiving control messages and data through a second node of a second network, and sending and/or receiving data through a first node of a first network Send and/or receive control messages and data through a third node that supports the first method of the second network (eg, about 6 GHz or less), and / or receiving NE-DC (NR - E-UTRA dual connectivity), and , NR-NR dual connectivity (NR-DC) for transmitting and/or receiving data through a fourth node supporting the second scheme (eg, about 6 GHz or higher) of the second network, or the first scheme of the first network dual connection of the first network to send and/or receive control messages and/or data through a fifth node supporting DC) may be included.

According to various embodiments, the processor 500 may control the wireless communication circuit 510 (or the second communication circuit 514 ) to transmit a reference signal related to the second network. According to an embodiment, the processor 500 is configured to transmit a sounding reference signal (SRS) in an RRC control message (eg, an RRC reconfiguration message) received from a second node connected through a second network. You can check the uplink resource. The processor 500 may control the wireless communication circuit 510 (or the second communication circuit 514 ) to periodically transmit a sounding reference signal (SRS) through an uplink resource allocated from the second node.

According to various embodiments, the processor 500 may monitor whether an error occurs in data received from the first node of the first network through the wireless communication circuit 510 (or the first communication circuit 512 ). According to an embodiment, when the first frequency of the first network and the second frequency of the second network have a multiplicative relationship, the processor 500 determines that the reference signal of the second network is data received from the first node through the first network. It can be judged that it may act as an interference in The processor 500 may check an error rate of data received from the first node of the first network to determine whether interference by the reference signal of the second network occurs. For example, the processor 500 may check an error occurrence rate of a specified unit based on an ACK/NACK ratio of data received from the first node during a specified unit (eg, a subframe). For example, the error occurrence rate may include a block error rate (BLER). For example, the first frequency of the first network may include a frequency band used for communication with the first node through the first network. For example, the second frequency of the second network may include a frequency band used for communication with the second node through the second network.

According to various embodiments, the processor 500 may determine whether interference by the reference signal of the second network occurs based on the monitoring result of data received from the first node of the first network. According to an embodiment, when an error occurrence rate that satisfies a specified condition is detected, the processor 500 may check whether an error occurrence rate that satisfies the specified condition is periodically detected. As an example, the state satisfying the specified condition may include a state in which an error rate of a specified unit (eg, a subframe) exceeds a reference error rate (eg, about 25%). As another example, the state satisfying the specified condition may include a state in which the error rate of the specified unit is greater than or equal to the reference rate (eg, about 15%) of the error rate of the other specified unit.

According to an embodiment, when an error occurrence rate that satisfies a specified condition is periodically detected, the processor 500 may compare a period at which an error occurrence rate that satisfies the specified condition is detected with a transmission period of a reference signal related to the second network. have. For example, when the period in which the error occurrence rate satisfying the specified condition is detected and the transmission period of the reference signal related to the second network overlap or at least partially overlap, the processor 500 may interfere with the reference signal of the second network. It can be determined that (eg, harmonic interference) has occurred. As another example, when the period in which the error occurrence rate satisfying the specified condition is detected and the transmission period of the reference signal related to the second network do not overlap, the processor 500 determines that interference by the reference signal of the second network does not occur. can be judged not to be. For example, the transmission period of the reference signal related to the second network may be confirmed in the RRC control message received from the second node.

According to various embodiments, when it is determined that interference by the reference signal of the second network has occurred, the processor 500 may change the reception resource of the electronic device 101 related to the first network. According to an embodiment, the processor 500 may use a plurality of reception paths for receiving a signal (or data) from a first node of a first network through the wireless communication circuit 510, when a plurality of reception paths are available, data from the first node. The wireless communication circuit 510 may be controlled to change the reception path used to receive the signal to another reception path. For example, the processor 500 may sequentially detect an error occurrence rate for each of the remaining at least one receiving path except for the receiving path being used to receive data from the first node based on the designated resource allocation priority. The processor 500 may control the wireless communication circuit 510 to change the reception path used to receive data from the first node to the reception path having the lowest error rate (eg, BLER) among the remaining at least one reception path. have.

According to various embodiments, the wireless communication circuit 510 receives a signal from an external device (eg, the first node 410 and/or the second node 420 of FIG. 4 ) through an antenna (not shown), or A signal can be transmitted to an external device. According to an embodiment, the wireless communication circuit 510 may include a first communication circuit 512 and a second communication circuit 514 . For example, the first communication circuit 512 may include a first RFIC (eg, FIG. 4 ) for communication with a first node (eg, the first node 410 of FIG. 4 ) via a first network (eg, an LTE network). 2 of the first RFIC 222) and a first front end module (FEM) (eg, the first RFFE 232 of FIG. 2 ). For example, the second communication circuit 514 may include a second RFIC (eg, FIG. 4 ) for communication with a second node (eg, second node 420 in FIG. 4 ) via a second network (eg, NR network). 2 of the third RFIC 226 ) and a second FEM (eg, the third RFFE 236 of FIG. 2 ). For example, the first communication circuit 512 and the second communication circuit 514 may be configured with different circuits or different hardware. For example, the first communication circuit 512 and the second communication circuit 514 may be logically (eg, software) divided parts.

According to various embodiments, the memory 520 may store various data used by at least one component of the electronic device 101 (eg, the processor 500 or the wireless communication circuit 510 ). According to an embodiment, the data may include at least one of information related to a resource allocation priority related to the first communication circuit 512 or information related to a harmonic band table. According to an embodiment, the memory 520 may store various instructions that may be executed by the processor 500 . For example, the resource allocation priority associated with the first communication circuit 512 is information related to the allocation order of the reception resource (eg, reception path) used to receive data from the first network through the first communication circuit 512 . may include. For example, the harmonic band table may include information related to a frequency band having a multiplication relationship.

6A and 6B are block diagrams of a communication circuit for changing a reception resource according to various embodiments. In the following description, it may be assumed that the wireless communication circuit 510 can use four reception paths for receiving a signal (or data) from the first node of the first network. However, the number of available reception paths for the wireless communication circuit 510 to receive a signal (or data) from the first node of the first network is not limited thereto.

According to various embodiments with reference to FIGS. 6A and 6B , the wireless communication circuit 510 may include a front end module (FEM) 610 and a radio frequency integrated circuit (RFIC) 620 . According to an embodiment, the FEM 610 and the RFIC 620 may be connected to a plurality of reception paths 630-1, 630-2, 630-3, and 630-4. For example, the FEM 610 may preprocess a radio frequency (RF) signal received from the first network through the plurality of antennas 600-1 and 600-k. For example, the FEM 610 may include a low noise amplifier (LNA). For example, k is an index of an antenna and may indicate the number of antennas included in the electronic device 101 . For example, the RFIC 620 may convert the RF signal preprocessed by the FEM 610 into a baseband signal to be processed by the processor 500 . For example, the first reception path 630-1 may be connected to the first output port 612-1 of the FEM 610 and the first input port 622-1 of the RFIC 620 . For example, the second reception path 630 - 2 may be connected to the second output port 612 - 2 of the FEM 610 and the second input port 622 - 2 of the RFIC 620 . For example, the third reception path 630 - 3 may be connected to the third output port 612 - 3 of the FEM 610 and the third input port 622 - 3 of the RFIC 620 . For example, the fourth reception path 630 - 4 may be connected to a fourth output port 612 - 4 of the FEM 610 and a fourth input port 622 - 4 of the RFIC 620 . For example, the receive paths 630-1, 630-2, 630-3, and 630-4 may include a flexible printed circuit board (FPCB) RF cable (FRC), a flexible printed circuit board (FPCB), and/or a coaxial cable. (coaxial cable) structure.

According to an embodiment, the FEM 610 and the RFIC 620 of the wireless communication circuit 510 may include two transmission paths for a reference signal associated with the second network. For example, the first transmission path may be connected to the first output port 650-1 of the RFIC 620 and the first input port 640-1 of the FEM 610 . For example, a reference signal (eg, SRS) related to the second network transmitted through the first transmission path may affect the first reception path 630-1 physically adjacent to the first transmission path by harmonic interference. . For example, the second transmission path may be connected to the second output port 650 - 2 of the RFIC 620 and the second input port 640 - 2 of the FEM 610 . For example, a reference signal (eg, SRS) related to the second network transmitted through the second transmission path may affect the fourth reception path 630 - 4 physically adjacent to the second transmission path by harmonic interference. .

According to an embodiment, when data is received from the first node of the first network through the first reception path 630-1, the processor 500 determines whether an error occurs in data received from the first node of the first network. can be monitored. According to an embodiment, when the processor 500 determines that interference due to the reference signal of the second network has occurred based on the monitoring result, a reception path used to receive data from the first node is selected from the remaining reception paths 630 . -2, 630-3, and 630-4), the wireless communication circuit 510 may be controlled to change to any one of the reception paths. For example, the processor 500 may sequentially detect an error rate (eg, BLER) for each of the remaining reception paths 630-2, 630-3, and 630-4 based on a designated resource allocation priority. have. The processor 500 changes the reception path used to receive data from the first node to the reception path having the lowest error rate (eg, BLER) among the remaining reception paths 630-2, 630-3, and 630-4. The wireless communication circuit 510 may be controlled to do so.

According to various embodiments, when the wireless communication circuit 510 can allocate a reception resource related to the first network, the electronic device 101 performs the FEM 610 and The reception path between the RFICs 620 may be changed.

According to various embodiments, when the reception paths between the FEM 610 and the RFIC 620 support the frequency band used by the electronic device 101 for communication with the first node, the electronic device 101 is a separate module. It is possible to change the reception path between the FEM 610 and the RFIC 620 without using (eg, a switch).

7A and 7B are block diagrams of a communication circuit for changing a reception resource using a switch according to various embodiments of the present disclosure; In the following description, it may be assumed that the wireless communication circuit 510 can use four reception paths for receiving a signal (or data) from the first node of the first network. However, the number of available reception paths for the wireless communication circuit 510 to receive a signal (or data) from the first node of the first network is not limited thereto.

According to various embodiments with reference to FIGS. 7A and 7B , the wireless communication circuit 510 may include an FEM 710 , an RFIC 720 , a first switch 730 , and a second switch 740 . According to one embodiment, the FEM 710 and the RFIC 720 through the first switch 730 and the second switch 740 a plurality of receive paths 750-1, 750-2, 750-3 and 750 -4) can be connected. For example, the first reception path 750 - 1 is the first output port 712-1 of the FEM 710 and the first of the RFIC 720 through the first switch 730 and the second switch 740 . 1 may be connected to the input port 722-1. For example, the second reception path 750-2 is connected to the second output port 712-2 of the FEM 710 and the second output port 712-2 of the RFIC 720 through the first switch 730 and the second switch 740. 2 may be connected to the input port 722-2. For example, the third receiving path 750-3 is the third output port 712-3 of the FEM 710 and the third of the RFIC 720 through the first switch 730 and the second switch 740. 3 may be connected to the input port 722-3. For example, the fourth reception path 750-4 is the first switch 730 and the second switch 740 through the fourth output port 712-4 of the FEM 710 and the second of the RFIC 720 4 may be connected to the input port 722-4. For example, the receive paths 750 - 1 , 750 - 2 , 750 - 3 and 750 - 4 may be configured with FRC, FPCB and/or coaxial cable structures.

According to an embodiment, the FEM 710 and the RFIC 720 of the wireless communication circuit 510 may include two transmission paths for a reference signal associated with the second network. For example, the first transmission path may be connected to a first output port 770 - 1 of the RFIC 720 and a first input port 760 - 1 of the FEM 710 . For example, the second transmission path may be connected to the second output port 770 - 2 of the RFIC 720 and the second input port 760 - 2 of the FEM 710 .

According to an embodiment, when data is received from the first node of the first network through the first reception path 750-1, the processor 500 determines whether an error occurs in data received from the first node of the first network. can be monitored. According to an embodiment, when the processor 500 determines that interference by the reference signal of the second network has occurred based on the monitoring result, a reception path used to receive data from the first node is used as the remaining reception paths 750 . -2, 750-3, and 750-4), the wireless communication circuit 510 may be controlled to change to any one of the reception paths. For example, the processor 500 may sequentially detect an error rate (eg, BLER) for each of the remaining reception paths 750-2, 750-3, and 750-4 based on a designated resource allocation priority. have. The processor 500 changes the reception path used to receive data from the first node to the reception path having the lowest error rate (eg, BLER) among the remaining reception paths 750-2, 750-3, and 750-4. The first switch 730 and the second switch 740 may be controlled to do so. For example, when it is determined that the first switch 730 changes the reception path used to receive data from the first node to the second reception path 750-2, the first output port ( 712-1) and the second reception path 750-2 may be connected. For example, when it is determined that the second switch 740 changes the reception path used for receiving data from the first node to the second reception path 750-2, the second reception path 750-2 and The first input port 722-1 of the RFIC 720 may be connected.

According to various embodiments, when the wireless communication circuit 510 cannot allocate the reception resource related to the first network, the electronic device 101 is configured to switch the reception path with an additional module (eg, the first switch 730). and the second switch 740 ) may be used to change the reception path between the FEM 710 and the RFIC 720 .

According to various embodiments, when the remaining reception paths between the FEM 710 and the RFIC 720 do not support the frequency band used by the electronic device 101 for communication with the first node, the electronic device 101 receives The reception path between the FEM 710 and the RFIC 720 may be changed by using an additional module for changing the path (eg, the first switch 730 and the second switch 740 ).

According to various embodiments, an electronic device (eg, the electronic device 101 of FIGS. 1, 2, 3, 4, or 5) performs communication between a first node and a first network, and the first network Communication of a first communication circuit (eg, the wireless communication module 192 of FIG. 1 or the first communication circuit 512 of FIG. 5 ) including a plurality of reception paths usable for communication of a second node and a second network at least a second communication circuit (eg, the wireless communication module 192 of FIG. 1 or the second communication circuit 514 of FIG. 5 ) that is operatively connected with the first communication circuit and the second communication circuit to perform one processor (eg, the processor 120 of FIG. 1 or the processor 500 of FIG. 5 ), wherein the processor is configured to: a first frequency used for communication between a first node and the first network, and a communication between the second node and the second network through the second communication circuit, and used for communication of the first network; If the second frequency used for communication of the second network has a multiplicative relationship, it is checked whether harmonic interference occurs due to communication of the second network, and when it is determined that harmonic interference has occurred due to communication of the second network, the above The first receive path for the first network may be changed to a second receive path different from the first receive path.

According to various embodiments, the processor is configured to receive from the first node when the first frequency used for communication of the first network and the second frequency used for communication of the second network are multiplicative. The signal error is monitored, and the error occurrence period of the signal received from the first node is checked based on the monitoring result, and the error occurrence period of the signal received from the first node and the reference signal related to the second network When the transmission periods of at least partially overlap, it may be determined that harmonic interference caused by communication of the second network has occurred.

According to various embodiments, the reference signal related to the second network may include a sounding reference signal (SRS).

According to various embodiments, the transmission period of the second network and the reference signal may be confirmed from a radio resource control (RRC) control signal received from the second node.

According to various embodiments, the processor checks an error rate of a signal received from the first node in a specified unit, and when an error rate that satisfies a specified condition is periodically detected, an error rate that satisfies the specified condition may be determined as the period of occurrence of an error of the signal received from the first node.

According to various embodiments, the first communication circuit may include a front end module (FEM) and a radio frequency integrated circuit (RFIC), and the FEM and the RFIC may be connected to the plurality of reception paths.

According to various embodiments, the first communication circuit may further include a first switch connecting the FEM and the plurality of receive paths, and a second switch connecting the plurality of receive paths and the RFIC. .

According to various embodiments, when determining that harmonic interference due to communication of the second network occurs, the processor is configured to change the first reception path for the first network to the second reception path. and the second switch.

According to various embodiments, when it is determined that harmonic interference has occurred due to the communication of the second network, the processor determines an error rate of at least one remaining reception path except for the first reception path among the plurality of reception paths. and selecting the second receiving path having the smallest error rate among the at least one remaining receiving paths, and changing the first receiving path for the first network to the second receiving path.

According to various embodiments, the first network may include a long term evolution (LTE) network or a new radio (NR) network, and the second network may include an NR network or an LTE network.

According to various embodiments, the plurality of reception paths may be configured of a flexible printed circuit board (FPCB) RF cable (FRC).

8 is a flowchart 800 for changing a reception resource in an electronic device according to various embodiments of the present disclosure. In the following embodiments, the operations may be sequentially performed, but are not necessarily sequentially performed. For example, the order of the operations may be changed, and at least two operations may be performed in parallel. For example, the electronic device of FIG. 8 may be the electronic device 101 of FIGS. 1, 2, 3, 4, or 5 .

According to various embodiments with reference to FIG. 8 , in operation 801 , the electronic device (eg, the processor of FIG. 1 or the processor 500 of FIG. 5 ) performs a dual access (DC) in the first node (eg, the first node of the first network). : A first node 410 of FIG. 4 ) and a second node of a second network (eg, the second node 420 of FIG. 4 ) may be connected. According to an embodiment, the first communication circuit 512 may perform a radio resource control (RRC) connection with a first node (eg, the first node 410 of FIG. 4 ) supporting the first network. The second communication circuit 514 is a second node (eg, the second node 420 of FIG. 4 ) supporting the second network based on the information on the connection of the second network provided from the first communication circuit 512 . ) and communication can be established. For example, the first network is any one of the 4G mobile communication method (eg, LTE, LTE-A, LTE-A pro) or the 5G mobile communication method (eg, 5G or NR) of any one method ( For example: using a frequency band of about 6 GHz or less). For example, the second network is a 5G mobile communication method (eg, 5G) of any one method (eg, using a frequency band of about 6 GHz or higher) or a 4th generation mobile communication method (eg, LTE, LTE-A, LTE-A) pro) may include any one of the methods.

According to various embodiments, in operation 803 , the electronic device (eg, the processor 120 or 500 ) performs a first frequency for communication with a first node supporting a first network and a second node supporting a second network. It may be determined whether the second frequency for communication with the <RTI ID=0.0> According to one embodiment, the processor 500 is based on the harmonic band table stored in the memory 520, the first frequency for communication with the first node 410 supporting the first network and the second network supporting the second network. It may be determined whether the second frequency for communication with the second node 420 has a multiplication relationship.

According to various embodiments, when the first frequency for communication with the first node and the second frequency for communication with the second node are not multiplicative (eg, the electronic device (eg, the processor 120 or 500 )) : 'No' in operation 803), an embodiment for changing the reception resource may end. According to an embodiment, when the first frequency used by the electronic device 101 for communication with the first node and the second frequency used for communication with the second node do not have a multiplicative relationship, the processor 500 generates a harmonic wave. It can be determined that interference does not occur. When it is determined that harmonic interference does not occur, the processor 500 may end an embodiment for changing the reception resource.

According to various embodiments, when the first frequency for communication with the first node and the second frequency for communication with the second node are in a multiplicative relationship (eg, operation 'Yes' in operation 803), in operation 805, it may be checked whether harmonic interference due to communication with the second network occurs. According to an embodiment, when the first frequency used by the electronic device 101 for communication with the first node and the second frequency used for communication with the second node are in a multiplicative relationship, the processor 500 performs the first network It is possible to monitor the error of data received from the first node of The processor 500 may determine whether an error in data received from the first node of the first network periodically occurs based on the monitoring result. For example, the processor 500 may check whether an error occurrence rate satisfying a specified condition is periodically detected based on the monitoring result. For example, the state satisfying the specified condition may include a state in which an error rate of a specified unit (eg, a subframe) exceeds a reference error rate (eg, about 25%). As another example, the state satisfying the specified condition may include a state in which the error rate of the specified unit is greater than or equal to the reference rate (eg, about 15%) of the error rate of the other specified unit. According to an embodiment, the processor 500 is configured to at least partially overlap the error occurrence period of data received from the first node of the first network and the transmission period of the reference signal related to the second network, the reference signal of the second network It can be determined that harmonic interference (eg, harmonic interference) has occurred.

According to various embodiments, when it is determined that harmonic interference by the second network has not occurred (eg, 'No' in operation 805 ), the electronic device (eg, the processor 120 or 500 ) receives to reduce harmonic interference An embodiment for changing a resource may end.

According to various embodiments, when it is determined that harmonic interference by the second network has occurred (eg, 'Yes' in operation 805 ), the electronic device (eg, the processor 120 or 500 ) communicates with the first network in operation 807 It is possible to change the reception resource for communication of According to one embodiment, the wireless communication circuitry 510 (or the first communication circuitry 512 ) may include a plurality of receive paths (eg, FIG. 6A ) for receiving a signal (or data) from a first node of a first network. of 630-1, 630-2, 630-3 and 630-4) can be supported. When it is determined that harmonic interference by the second network occurs in data received from the first node of the first network, the processor 500 changes the reception path used to receive data from the first node to another reception path. The communication circuit 510 may be controlled. For example, the processor 500 may sequentially detect an error occurrence rate for each of the remaining at least one receiving path except for the receiving path being used to receive data from the first node based on the designated resource allocation priority. The processor 500 may control the wireless communication circuit 510 to change the reception path used to receive data from the first node to the reception path having the lowest error rate (eg, BLER) among the remaining at least one reception path. have.

9 is a flowchart 900 for detecting harmonic interference in an electronic device according to various embodiments of the present disclosure. According to an embodiment, the operations of FIG. 9 may be detailed operations of operation 805 of FIG. 8 . In the following embodiments, the operations may be sequentially performed, but are not necessarily sequentially performed. For example, the order of the operations may be changed, and at least two operations may be performed in parallel. For example, the electronic device of FIG. 8 may be the electronic device 101 of FIGS. 1, 2, 3, 4, or 5 .

According to various embodiments with reference to FIG. 9 , an electronic device (eg, the processor of FIG. 1 or the processor 500 of FIG. 5 ) provides a first frequency for communication with a first node and a communication with a second node. When the second frequency has a multiplication relationship (eg, 'Yes' in operation 803 of FIG. 8 ), in operation 901 , reception performance related to the first network may be monitored. According to an embodiment, the processor 500 may check an error rate of data received from the first node of the first network (eg, the first node 410 of FIG. 4 ). For example, the processor 500 may check an error occurrence rate of a specified unit based on an ACK/NACK ratio of data received from the first node during a specified unit (eg, a subframe).

According to various embodiments, in operation 903 , the electronic device (eg, the processor 120 or 500 ) may check whether an error periodically occurs based on the monitoring result of the reception performance related to the first network. According to an embodiment, the processor 500 may check whether an error occurrence rate that satisfies a specified condition is periodically detected. For example, when the error rate of a specified unit (eg, subframe) exceeds a reference error rate (eg, about 25%), the processor 500 may determine that the specified condition is satisfied. As another example, the processor 500 may determine that the specified condition is satisfied when the error rate of the specified unit is greater than or equal to the reference rate (eg, about 15%) of the error rate of the other specified unit.

According to various embodiments, when it is determined that the electronic device (eg, the processor 120 or 500) does not periodically generate an error (eg, 'No' in operation 903), an embodiment for detecting harmonic interference can be shut down According to an embodiment, the processor 500 generates harmonic interference due to the reference signal of the second network when an error rate that satisfies a specified condition is not detected or an error rate that satisfies a specified condition is not periodically detected. It can be judged that it has not been done. For example, the processor 500 may determine that the specified condition is not satisfied when the error rate of the specified unit (eg, subframe) is less than or equal to the reference error rate (eg, about 25%). As another example, when the error occurrence rate of a specified unit is less than a reference rate (eg, about 15%) of an error rate of another specified unit, the processor 500 may determine that the specified condition is not satisfied.

According to various embodiments, when the electronic device (eg, the processor 120 or 500) determines that an error occurs periodically (eg, 'Yes' in operation 903), in operation 905, a reference signal related to the second network You can check the transmission period of According to an embodiment, the transmission period of the reference signal related to the second network may be confirmed in the RRC control message received from the second node. For example, the processor 500 may check the transmission period of a sounding reference signal (SRS) related to the second network in the RRC control message as shown in Table 1 received from the first node.

srs-ResourceToAddModList
{
{
srs-ResourceId 0,
resourceType periodic :
{
periodicityAndOffset -p sl40 :7
},
sequenceId 87
},
{
srs-ResourceId 1,
resourceType periodic :
{
periodicityAndOffset -p sl40 :3
},
sequenceId 87
},
{
srs-ResourceId 2,
resourceType periodic :
{
periodicityAndOffset -p sl40 :13
},
sequenceId 87
},
{
srs-ResourceId 3,
resourceType periodic :
{
periodicityAndOffset -p sl40 :23
},
sequenceId 87
}
}

For example, Table 1 may include information related to a period for transmitting the SRS through 4 antennas within 40 slots (eg, sl 40). As an example, "periodicityAndOffset-p sl40: 7" may include resource allocation information through which the SRS is transmitted through the first antenna in the 7th slot for every 40 slots. As an example, "periodicityAndOffset-p sl40: 3" may include resource allocation information through which SRS is transmitted through the second antenna in slot 3 for every 40 slots. As an example, "periodicityAndOffset-p sl40: 13" may include resource allocation information through which the SRS is transmitted through the third antenna in the 13th slot for every 40 slots. As an example, "periodicityAndOffset-p sl40: 23" may include resource allocation information through which the SRS is transmitted through the fourth antenna in the 23rd slot for every 40 slots.

According to various embodiments, in operation 907 , the electronic device (eg, the processor 120 or 500 ) determines that the error occurrence period of data received from the first node of the first network and the transmission period of the reference signal related to the second network At least some overlap can be checked.

According to various embodiments, when the error occurrence period of the data received from the first node of the first network and the transmission period of the reference signal related to the second network do not overlap the electronic device (eg, the processor 120 or 500 ) (eg, 'No' in operation 907), an embodiment for detecting harmonic interference may end. According to an embodiment, the processor 500 is configured to, when the error occurrence period of data received from the first node of the first network and the transmission period of the reference signal related to the second network do not overlap, the reference signal of the second network. It can be determined that harmonic interference has not occurred.

According to various embodiments, the electronic device (eg, the processor 120 or 500 ) may at least partially overlap the error occurrence period of data received from the first node of the first network and the transmission period of the reference signal related to the second network. In a case (eg, 'Yes' in operation 907), in operation 909, it may be determined that harmonic interference by the reference signal of the second network occurs in data received from the first node of the first network. According to an embodiment, when the processor 500 determines that harmonic interference by the reference signal of the second network has occurred, as in operation 807 of FIG. 8 , the reception resource used to receive data from the first network may be changed. have.

10 is a flowchart 1000 for setting a reception path in an electronic device according to various embodiments of the present disclosure. According to an embodiment, the operations of FIG. 9 may be detailed operations of operation 807 of FIG. 8 . In the following embodiments, the operations may be sequentially performed, but are not necessarily sequentially performed. For example, the order of the operations may be changed, and at least two operations may be performed in parallel. For example, the electronic device of FIG. 8 may be the electronic device 101 of FIGS. 1, 2, 3, 4, or 5 .

According to various embodiments with reference to FIG. 10 , the electronic device (eg, the processor of FIG. 1 or the processor 500 of FIG. 5 ) responds to data received from the first node of the first network according to the reference signal of the second network. When it is determined that harmonic interference has occurred (eg, 'Yes' in operation 805 of FIG. 8 ), in operation 1001 , a reception path used to receive data from the first network may be changed to an i-th reception path. According to an embodiment, as shown in FIG. 6A , the electronic device 101 uses a plurality of reception paths 630-1, 630-2, 630-3, and 630-4 that can be used to receive data from the first network. may include According to an embodiment, when the processor 500 determines that harmonic interference by the reference signal of the second network occurs in data received from the first node of the first network through the first reception path 630-1, The i-th reception path may be selected from among the remaining reception paths 630-2, 630-3, and 630-4 based on the designated resource allocation priority. The processor 500 may control the wireless communication circuit 510 (or the first communication circuit 512 ) to change the reception path used to receive data from the first network to the i-th reception path. For example, the resource allocation priority may include information related to an allocation order of reception paths used to receive data from the first network through the first communication circuit 512 . As an example, i may include an index indicating resource allocation priority.

According to various embodiments, in operation 1003 , the electronic device (eg, the processor 120 or 500 ) may check an error rate of data received from the first node of the first network by using the i-th reception path. According to an embodiment, the processor 500 may detect an average of error rates of data received from the first node of the first network through the i-th reception path for a specified time.

According to various embodiments, the electronic device (eg, the processor 120 or 500 ) may check whether error occurrence rates of all reception paths are detected in operation 1005 . According to an embodiment, when the processor 500 checks the error occurrence rate of the i-th receiving path for a specified time, the resource allocation priority index of the receiving path in which the error rate is detected in order to check whether the error rate of all the receiving paths is detected. It can be checked whether (i) is greater than or equal to the maximum value (i _MAX ) (eg, i ≥ i _MAX ).

According to various embodiments, when the electronic device (eg, the processor 120 or 500) does not detect the error occurrence rates of all reception paths (eg, 'No' in operation 1005), in operation 1007d, resource allocation of the reception paths The priority index (i) can be updated (eg i++). According to an embodiment, the processor 500 detects the error occurrence rate when the resource allocation priority index (i) of the reception path for which the error occurrence rate is detected is smaller than the maximum value (i _MAX ) (eg, i < i _MAX ). It may be determined that there is a reception path that has not been received. The processor 500 may update the resource allocation priority index (i) of the receiving path in order to not detect the error rate of the receiving path in which the error rate is not detected (eg, i++). According to an embodiment, the processor 500 may change the reception path used to receive data from the first network to the reception path of the updated resource allocation priority index (eg, operation 1001). The processor 500 may check the error occurrence rate of the reception path of the updated resource allocation priority index for a specified time (eg, operation 1003 ).

According to various embodiments, when the electronic device (eg, the processor 120 or 500) detects the error occurrence rates of all reception paths (eg, 'Yes' in operation 1005), in operation 1009, the error occurrence rates of the reception paths By comparison, a reception path used to receive data from the first network may be set. According to an embodiment, the processor 500 determines that harmonic interference by the reference signal of the second network has occurred in data received from the first node of the first network through the first reception path 630-1 of FIG. 6A. When it is determined, the error occurrence rates of the remaining reception paths 630 - 2 , 630 - 3 and 630 - 4 can be checked. For example, the processor 500 may set a receiving path using a receiving path having the lowest error rate among the remaining receiving paths 630-2, 630-3, and 630-4 to receive data from the first network. have. As another example, the processor 500 receives data from the first network through a receiving path having the lowest error rate among the receiving paths 630-1, 630-2, 630-3, and 630-4 of FIG. 6A. You can set the receiving path to use. According to one embodiment, the processor 500 configures the wireless communication circuitry 510 (or the first communication circuitry 512) to receive data from the first network via a receive path used to receive data from the first network. can be controlled

According to various embodiments, when a plurality of reception paths are used to receive data from the first network, the electronic device 101 may determine whether each reception path is affected by interference from the reference signal of the second network. When it is determined that the at least one reception path is affected by the interference from the reference signal of the second network, the electronic device 101 may change the at least one reception path to another reception path.

According to various embodiments, the operation of the electronic device (eg, the electronic device 101 of FIGS. 1, 2, 3, 4, or 5) is performed by the first communication circuit (eg, the wireless communication module of FIG. 1 ) 192) or the first communication circuit 512 of FIG. 5) to connect the communication with the first network and the second communication circuit (eg, the wireless communication module 192 of FIG. 1 or the second communication of FIG. 5) When the operation of connecting communication with the second network using the circuit 514) and the first frequency used for communication of the first network and the second frequency used for communication of the second network are in a multiplicative relationship, Checking whether harmonic interference due to communication of the second network occurs, and when it is determined that harmonic interference due to communication of the second network occurs, using the first communication circuit for communication with the first network It may include an operation of changing the reception path for

According to various embodiments, the checking of whether the harmonic interference occurs may include: when the first frequency used for communication of the first network and the second frequency used for communication of the second network are in a multiplicative relationship, An operation of monitoring an error of a signal received through the first network, an operation of checking an error occurrence period of a signal received from the first network based on the monitoring result, and an operation of an error of a signal received from the first network and determining that harmonic interference has occurred due to communication of the second network when the generation period and the transmission period of the reference signal related to the second network at least partially overlap.

According to various embodiments, the checking of the error occurrence period includes checking the error occurrence rate of the signal received from the first node in a specified unit, and when an error occurrence rate satisfying a specified condition is periodically detected, and determining the detection period of the error occurrence rate satisfying the specified condition as the error occurrence period of the signal received from the first node.

According to various embodiments, the operation of connecting the communication with the first network includes a first reception among a plurality of reception paths between a front end module (FEM) and a radio frequency integrated circuit (RFIC) included in the first communication circuit. and receiving a signal from the first network through a path.

According to various embodiments, the operation of changing the reception path may include setting the first reception path for the first network different from the first reception path when it is determined that harmonic interference due to communication of the second network occurs. It may include an operation of changing to the second reception path.

According to various embodiments, when it is determined that harmonic interference due to communication of the second network occurs, the operation of changing the reception path may include receiving at least one remaining except for the first reception path among the plurality of reception paths. checking an error rate of a path, selecting the second receiving path having the smallest error rate among the at least one remaining receiving paths, and setting the first receiving path for the first network as the second receiving path may include an operation to change to .

The embodiments of the present invention disclosed in the present specification and drawings are merely provided for specific examples in order to easily explain the technical contents according to the embodiments of the present invention and help the understanding of the embodiments of the present invention, and to limit the scope of the embodiments of the present invention It's not what you want to do. Therefore, in the scope of various embodiments of the present invention, in addition to the embodiments disclosed herein, all changes or modifications derived based on the technical ideas of various embodiments of the present invention should be interpreted as being included in the scope of various embodiments of the present invention.

Claims

In an electronic device,

a first communication circuit for performing communication between a first node and a first network, the first communication circuit including a plurality of reception paths usable for communication of the first network;

a second communication circuit for performing communication between the second node and the second network;

at least one processor operatively coupled with the first communication circuitry and the second communication circuitry;

The processor is

performing communication between the first node and the first network through a first receiving path among the plurality of receiving paths of the first communication circuit;

performing communication between the second node and the second network through the second communication circuit;

If the first frequency used for communication of the first network and the second frequency used for communication of the second network are in a multiplicative relationship, check whether harmonic interference occurs due to communication of the second network;

When it is determined that harmonic interference due to communication of the second network occurs, the electronic device changes the first reception path for the first network to a second reception path different from the first reception path.
The method of claim 1,

The processor monitors an error of a signal received from the first node when the first frequency used for communication of the first network and the second frequency used for communication of the second network have a multiplicative relationship, ,

Check the error occurrence period of the signal received from the first node based on the monitoring result,

When the error occurrence period of the signal received from the first node and the transmission period of the reference signal related to the second network at least partially overlap, it is determined that harmonic interference has occurred due to communication of the second network.
3. The method of claim 2,

The second network and the transmission period of the reference signal are confirmed from a radio resource control (RRC) control signal received from the second node.
3. The method of claim 2,

The processor checks the error rate of the signal received from the first node in a specified unit,

When an error occurrence rate that satisfies a specified condition is periodically detected, the electronic device determines a detection period of the error occurrence rate that satisfies the specified condition as an error occurrence cycle of a signal received from the first node.
The method of claim 1,

The first communication circuit includes a front end module (FEM) and a radio frequency integrated circuit (RFIC),

The FEM and the RFIC are electronic devices connected to the plurality of reception paths.
6. The method of claim 5,

The first communication circuit,

a first switch connecting the FEM and the plurality of receive paths; and

The electronic device further comprising a second switch connecting the plurality of reception paths and the RFIC.
7. The method of claim 6,

The processor, when it is determined that harmonic interference due to communication of the second network occurs, the first switch and the second switch to change the first reception path for the first network to the second reception path Controlling electronics.
The method of claim 1,

When it is determined that harmonic interference due to communication of the second network occurs, the processor checks an error occurrence rate of at least one remaining reception path excluding the first reception path among the plurality of reception paths,

selecting the second receiving path having the smallest error rate among the at least one remaining receiving paths,

An electronic device for changing the first reception path for the first network to the second reception path.
The method of claim 1,

The first network includes a long term evolution (LTE) network or a new radio (NR) network,

The second network is an electronic device including an NR network or an LTE network.
The method of claim 1,

The plurality of reception paths are configured by a flexible printed circuit board (FPCB) RF cable (FRC).
A method of operating an electronic device, comprising:

connecting communication with the first network using the first communication circuit;

connecting communication with a second network using the second communication circuit;

When the first frequency used for communication of the first network and the second frequency used for communication of the second network are in a multiplicative relationship, checking whether harmonic interference occurs due to communication of the second network; and

and changing a reception path used for communication with the first network by the first communication circuit when it is determined that harmonic interference has occurred due to communication of the second network.
12. The method of claim 11,

The operation of checking whether the harmonic interference occurs is,

monitoring an error of a signal received through the first network when the first frequency used for communication of the first network and the second frequency used for communication of the second network have a multiplicative relationship;

checking an error occurrence period of a signal received from the first network based on the monitoring result; and

When the error occurrence period of the signal received from the first network and the transmission period of the reference signal related to the second network at least partially overlap, determining that harmonic interference due to communication of the second network has occurred Way.
13. The method of claim 12,

The operation of checking the error occurrence period is,

Checking the error rate of the signal received from the first node in a specified unit, and

and determining, when an error occurrence rate that satisfies a specified condition is periodically detected, a detection period of the error occurrence rate that satisfies the specified condition as an error occurrence period of a signal received from the first node.
12. The method of claim 11,

The operation of connecting communication with the first network,

and receiving a signal from the first network through a first reception path among a plurality of reception paths between a front end module (FEM) and a radio frequency integrated circuit (RFIC) included in the first communication circuit. .
15. The method of claim 14,

The operation of changing the reception path is,

When it is determined that harmonic interference due to communication of the second network occurs, checking an error occurrence rate of at least one remaining reception path excluding the first reception path among the plurality of reception paths;

selecting the second reception path having the smallest error rate among the at least one remaining reception paths, and

and changing the first receive path for the first network to the second receive path.