KR20220168319A - A communicatoin circuit including a phase shifter, electronic device for performing calibration of the phase shifter and method for the same - Google Patents

Abstract

In a communication circuit and an electronic device including the communication circuit according to various embodiments, the communication circuit includes: a first chain connected to the antenna and including a first phase shifter; a second chain connected to the antenna and including a second phase shifter; a first splitter connected to the first chain; a second splitter connected to the second chain; and a third phase converter electrically connected between the first splitter and the second splitter. The communication circuit includes: a first path through which a signal is transmitted through the first splitter, the third phase converter, and/or the second splitter; and a second path through which a signal is transmitted through the first splitter, the first chain, the antenna, the second chain, and/or the second splitter. Accordingly, the present invention can reduce the time required for calibration.

Description

A communication circuit including a phase shifter, an electronic device for calibrating the phase shifter, and an operating method of the electronic device

Various embodiments of the present disclosure relate to an electronic device for calibrating a phase shifter and an operating method of the electronic device.

Various electronic devices such as a smart phone, a tablet PC, a portable multimedia player (PMP), a personal digital assistant (PDA), a laptop personal computer (laptop PC), or a wearable device are widespread. there is.

Recent electronic devices may support a communication scheme (eg, 5th generation wireless communication) using a higher frequency band (eg, mmWave band) than conventional communication schemes. A signal of a high frequency band may have a greater degree of attenuation according to the propagation of the signal than a signal of a low frequency band. In addition, a signal of a high frequency band has a higher signal linearity than a signal of a low frequency band, and may have a relatively small coverage due to the linearity of the high signal. Recently, electronic devices may support beamforming using a signal having a high linearity characteristic.

Recently, among wireless communication technologies, wireless communication technologies using a technique of performing beamforming using a plurality of antennas are increasing. Beamforming is a technique of outputting and/or receiving signals output from a plurality of antennas in a specific direction, and means a technique of forming a beam having a high gain of a signal in a specific direction. Beamforming, one of the technologies using multiple antennas, can be used as a method for increasing connection reliability in a wireless environment by using multiple antennas in a receiver or transmitter.

Beamforming may be implemented by outputting signals having different phases through a plurality of antennas.

The electronic device may include a phase converter included in a chain connected to each of a plurality of antennas in order to implement beamforming. As the number of antennas increases, the number of phase shifters may also increase. The phase shifter must be capable of performing phase conversion equal to a maximum of a specified magnitude in order to form an accurate direction of a beam, and calibration may be required to perform phase conversion equal to a maximum of a designated magnitude.

However, as the number of phase shifters increases, the time required for calibration may increase. Alternatively, in order to perform calibration of the phase shifter, a port for connecting the phase shifter and an external electronic device for calibration must be implemented in the communication circuit. When a port for connecting an external electronic device is implemented on a communication circuit, the size of the communication circuit may increase.

A communication circuit according to various embodiments of the present invention may include a first chain connected to an antenna and including a first phase shifter; a second chain connected to the antenna and including a second phase shifter; a first splitter connected to the first chain; a second splitter connected to the second chain; and a third phase shifter electrically connected between the first splitter and the second splitter, wherein the communication circuit transmits a signal through the first splitter, the third phase shifter, and/or the second splitter. and a second path through which signals are transmitted through the first splitter, the first chain, the antenna, the second chain, and/or the second splitter.

An electronic device according to various embodiments of the present disclosure may include an antenna; communication circuit; and a communication processor, wherein the communication circuit is connected to the antenna and includes a first chain including a first phase shifter; a second chain connected to the antenna and including a second phase shifter; a first splitter connected to the first chain; a second splitter connected to the second chain; and a third phase shifter electrically connected between the first splitter and the second splitter, wherein the communication processor inputs a first signal through an input port of the communication circuit, and the first chain, the antenna and A second signal received through a first path including the second chain and a third signal transmitted through a second path including the first splitter, the third phase shifter, and the second splitter, It may be configured to perform calibration of the first phase shifter and/or the second phase shifter based on the output signal combined by the two splitters.

An operating method of an electronic device according to various embodiments of the present disclosure may include inputting a first signal through an input port of a communication circuit; A second signal received through a first path including a first chain including a first phase shifter, a second chain including an antenna and a second phase shifter, and a first splitter of the communication circuit, a third phase shifter, and checking whether the intensity of an output signal combined with a third signal received through a second path including a second splitter satisfies a specified condition; and performing calibration of the first phase shifter and/or the second phase shifter based on the amount of phase change of the third phase shifter corresponding to the strength of the output signal satisfying the specified condition.

A communication circuit and an electronic device including the communication circuit according to various embodiments of the present disclosure use a phase shifter electrically connected between a first splitter and a second splitter, so that a phase change amount (reference change amount) and calibration by chains are Calibration may be performed to check the actual amount of phase change of the phase shifter to be performed. The electronic device can perform calibration of the phase shifter without being connected to a separate external electronic device, thereby reducing the time required for calibration.

A communication circuit and an electronic device including the communication circuit according to various embodiments of the present invention perform calibration of a phase shifter included in a chain to form a beam coincident with a designated direction and a signal output in a direction different from the designated direction The size of the sidelobe can be reduced, and the quality of communication can be increased.

1 is a block diagram of an electronic device 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.
3A is a block diagram of an electronic device according to various embodiments of the present disclosure.
3B is a diagram illustrating mapping data of a phase shifter included in a communication circuit according to various embodiments of the present disclosure.
4A is a block diagram of an electronic device according to various embodiments of the present disclosure.
4B is a diagram illustrating a phase shifter supporting a bypass mode in an electronic device according to various embodiments of the present disclosure.
5 is a block diagram of an electronic device according to various embodiments of the present disclosure.
6 is a diagram illustrating an embodiment in which an electronic device according to various embodiments of the present disclosure performs calibration of a first phase shifter using a third phase shifter.
7 is an operation flowchart illustrating an operation of determining a reference amount of change used for calibration in an electronic device according to various embodiments of the present disclosure.
8 is an operation flowchart illustrating an operation of calibrating a first phase shifter in an electronic device according to various embodiments of the present disclosure.
9 is an operation flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure.

1 is a block diagram of an electronic device 101 within a network environment 100, according to various embodiments. 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 through a second network 199. It may communicate with at least one of the electronic device 104 or the server 108 through (eg, a long-distance wireless communication network). According to one embodiment, the electronic device 101 may communicate with the electronic device 104 through the server 108 . According to an embodiment, the electronic device 101 includes a processor 120, a memory 130, an input module 150, an audio output module 155, a display module 160, an audio module 170, a sensor module ( 176), interface 177, connection terminal 178, haptic module 179, camera module 180, power management module 188, battery 189, communication module 190, subscriber identification module 196 , or the antenna module 197 may be included. In some embodiments, in the electronic device 101, at least one of these components (eg, the connection terminal 178) may be omitted or one or more other components may be added. In some embodiments, some of these components (eg, sensor module 176, camera module 180, or antenna module 197) are integrated into a single component (eg, display module 160). It can be.

The processor 120, for example, executes software (eg, the program 140) to cause at least one other component (eg, hardware or software component) of the electronic device 101 connected to the processor 120. It can control and perform various data processing or calculations. According to one embodiment, as at least part of data processing or operation, the processor 120 transfers instructions or data received from other components (e.g., sensor module 176 or communication module 190) to volatile memory 132. , processing commands or data stored in the volatile memory 132 , and storing resultant data in the non-volatile memory 134 . According to one embodiment, the processor 120 may include a main processor 121 (eg, a central processing unit or an application processor) or a secondary processor 123 (eg, a graphic processing unit, a neural network processing unit ( NPU: neural processing unit (NPU), image signal processor, sensor hub processor, or communication processor). For example, when the electronic device 101 includes the main processor 121 and the auxiliary processor 123, the auxiliary processor 123 may use less power than the main processor 121 or be set to be specialized for a designated function. can The secondary processor 123 may be implemented separately from or as part of the main processor 121 .

The secondary processor 123 may, for example, take the place of the main processor 121 while the main processor 121 is in an inactive (eg, sleep) state, or the main processor 121 is active (eg, running an application). ) state, together with the main processor 121, at least one of the components of the electronic device 101 (eg, the display module 160, the sensor module 176, or the communication module 190) It is possible to control at least some of the related functions or states. According to one embodiment, the auxiliary processor 123 (eg, image signal processor or communication processor) may be implemented as part of other functionally related components (eg, camera module 180 or communication module 190). there is. According to an embodiment, the auxiliary processor 123 (eg, a neural network processing device) may include a hardware structure specialized for processing an artificial intelligence model. AI models can be created through machine learning. Such learning may be performed, for example, in the electronic device 101 itself where the artificial intelligence model is performed, or may be performed through a separate server (eg, the server 108). The learning algorithm may include, for example, supervised learning, unsupervised learning, semi-supervised learning or reinforcement learning, but in the above example Not limited. The artificial intelligence model may include a plurality of artificial neural network layers. Artificial neural networks include deep neural networks (DNNs), convolutional neural networks (CNNs), recurrent neural networks (RNNs), restricted boltzmann machines (RBMs), deep belief networks (DBNs), bidirectional recurrent deep neural networks (BRDNNs), It may be one of deep Q-networks or a combination of two or more of the foregoing, but is not limited to the foregoing examples. The artificial intelligence model may include, in addition or alternatively, software structures in addition to hardware structures.

The memory 130 may store various data used by at least one component (eg, the processor 120 or the sensor module 176) of the electronic device 101 . The data may include, for example, input data or output data for software (eg, program 140) and commands related thereto. The memory 130 may include volatile memory 132 or non-volatile memory 134 .

The program 140 may be stored as software in the memory 130 and may include, for example, an operating system 142 , middleware 144 , or an application 146 .

The input module 150 may receive a command or data to be used by a component (eg, the processor 120) of the electronic device 101 from the outside of the electronic device 101 (eg, a user). The input module 150 may include, for example, a microphone, a mouse, a keyboard, a key (eg, a button), or a digital pen (eg, a stylus pen).

The sound output module 155 may output sound signals to the outside of the electronic device 101 . The sound output module 155 may include, for example, a speaker or a receiver. The speaker can be used for general purposes such as multimedia playback or recording playback. A receiver may be used to receive an incoming call. According to one embodiment, the receiver may be implemented separately from the speaker or as part of it.

The display module 160 may visually provide information to the outside of the electronic device 101 (eg, a user). The display module 160 may include, for example, a display, a hologram device, or a projector and a control circuit for controlling the device. According to one embodiment, the display module 160 may include a touch sensor set to detect a touch or a pressure sensor set to measure the intensity of force generated by the touch.

The audio module 170 may convert sound into an electrical signal or vice versa. According to one embodiment, the audio module 170 acquires sound through the input module 150, the sound output module 155, or an external electronic device connected directly or wirelessly to the electronic device 101 (eg: Sound may be output through the electronic device 102 (eg, a speaker or a headphone).

The sensor module 176 detects an operating state (eg, power or temperature) of the electronic device 101 or an external environmental state (eg, a user state), and generates an electrical signal or data value corresponding to the detected state. can do. According to one embodiment, the sensor module 176 may include, for example, a gesture sensor, a gyro sensor, an air pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an IR (infrared) sensor, a bio sensor, It may include a temperature sensor, humidity sensor, or light sensor.

The interface 177 may support one or more designated protocols that may be used to directly or wirelessly connect the electronic device 101 to an external electronic device (eg, the electronic device 102). According to one 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 may be physically connected to an external electronic device (eg, the electronic device 102). According to one 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 electrical signals into mechanical stimuli (eg, vibration or motion) or electrical stimuli that a user may perceive through tactile or kinesthetic senses. According to one 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 one embodiment, the camera module 180 may include one or more lenses, image sensors, image signal processors, or flashes.

The power management module 188 may manage power supplied to the electronic device 101 . According to one embodiment, the power management module 188 may be implemented as at least part of a power management integrated circuit (PMIC), for example.

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

The communication module 190 is a direct (eg, wired) communication channel or a wireless communication channel between the electronic device 101 and an external electronic device (eg, the electronic device 102, the electronic device 104, or the server 108). Establishment and communication through the established communication channel may be supported. The communication module 190 may include one or more communication processors that operate independently of the processor 120 (eg, an application processor) and support direct (eg, wired) communication or wireless communication. 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, : a local area network (LAN) communication module or a power line communication module). Among these communication modules, a corresponding communication module is a first network 198 (eg, a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)) or a second network 199 (eg, legacy It may communicate with the external electronic device 104 through a cellular network, a 5G network, a next-generation communication network, the Internet, or a telecommunications network such as a computer network (eg, a LAN or a WAN). These various types of communication modules may be integrated as one component (eg, a single chip) or implemented as a plurality of separate components (eg, multiple chips). The wireless communication module 192 uses subscriber information (eg, International Mobile Subscriber Identifier (IMSI)) stored in the subscriber identification module 196 within a communication network such as the first network 198 or the second network 199. The electronic device 101 may be identified or authenticated.

The wireless communication module 192 may support a 5G network after a 4G network and a next-generation communication technology, for example, NR access technology (new radio access technology). NR access technologies include high-speed transmission of high-capacity data (enhanced mobile broadband (eMBB)), minimization of terminal power and access of multiple terminals (massive machine type communications (mMTC)), or high reliability and low latency (ultra-reliable and low latency (URLLC)). -latency communications)) can be supported. The wireless communication module 192 may support a high frequency band (eg, mmWave band) to achieve a high data rate, for example. The wireless communication module 192 uses various technologies for securing performance in a high frequency band, such as beamforming, massive multiple-input and multiple-output (MIMO), and full-dimensional multiplexing. Technologies such as input/output (FD-MIMO: full dimensional MIMO), array antenna, analog beam-forming, or large scale antenna may be supported. The wireless communication module 192 may support various requirements defined for the electronic device 101, an external electronic device (eg, the electronic device 104), or a network system (eg, the second network 199). According to one embodiment, the wireless communication module 192 is a peak data rate for eMBB realization (eg, 20 Gbps or more), a loss coverage for mMTC realization (eg, 164 dB or less), or a U-plane latency for URLLC realization (eg, Example: downlink (DL) and uplink (UL) each of 0.5 ms or less, or round trip 1 ms or less) may be supported.

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

According to various embodiments, the antenna module 197 may form a mmWave antenna module. According to one embodiment, the mmWave antenna module includes a printed circuit board, an RFIC disposed on or adjacent to a first surface (eg, a lower surface) of the printed circuit board and capable of supporting a designated high frequency band (eg, mmWave band); and a plurality of antennas (eg, array antennas) disposed on or adjacent to a second surface (eg, a top surface or a side surface) of the printed circuit board and capable of transmitting or receiving signals of the designated high frequency band. can do.

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 signal ( e.g. commands or data) can be exchanged with each other.

According to an embodiment, commands or data may be transmitted or received between the electronic device 101 and the external electronic device 104 through the server 108 connected to the second network 199 . Each of the external electronic devices 102 or 104 may be the same as or different from the electronic device 101 . According to an embodiment, all or part of operations executed in the electronic device 101 may be executed in one or more external electronic devices among the external electronic devices 102 , 104 , or 108 . For example, when the electronic device 101 needs to perform a certain function or service automatically or in response to a request from a user or another device, the electronic device 101 instead of executing the function or service by itself. Alternatively or additionally, one or more external electronic devices may be requested to perform the function or at least part of the service. One or more external electronic devices receiving the request may execute at least a part of the requested function or service or an additional function or service related to the request, and deliver the execution result to the electronic device 101 . The electronic device 101 may provide the result as at least part of a response to the request as it is or additionally processed. To this end, 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. Server 108 may be an intelligent server using machine learning and/or neural networks. According to one embodiment, the external electronic device 104 or server 108 may be included in the second network 199 . The electronic device 101 may be applied to intelligent services (eg, smart home, smart city, smart car, or health care) based on 5G communication technology and IoT-related technology.

2 is a block diagram 200 of an electronic device 101 for supporting legacy network communication and 5G network communication, according to various embodiments. Referring to FIG. 2, the electronic device 101 includes a first communication processor 212, a second communication processor 214, a first radio frequency integrated circuit (RFIC) 222, a second RFIC 224, and a third An 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 of the components shown in FIG. 1, and the network 199 may further include at least one other network. According to one 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 portion of the wireless communication module 192 . According to another embodiment, the fourth RFIC 228 may be omitted or included as part of the third RFIC 226 .

The first communication processor 212 may establish a communication channel of a band to be used for wireless communication with the first network 292 and support legacy network communication through the established communication channel. According to various embodiments, 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 various embodiments, the second network 294 may be a 5G network defined by 3GPP. Additionally, according to one embodiment, the first communication processor 212 or the second communication processor 214 corresponds to another designated band (eg, about 6 GHz or less) among bands to be used for wireless communication with the second network 294. It is possible to support establishment of a communication channel and 5G network communication through the established communication channel. According to one embodiment, the first communication processor 212 and the second communication processor 214 may be implemented on a single chip or in a single package. According to various embodiments, the first communication processor 212 or the second communication processor 214 may be formed in a single chip or a single package with the processor 120, the co-processor 123, or the communication module 190. there is.

When transmitting, the first RFIC 222 transmits a baseband signal generated by the first communication processor 212 to about 700 MHz to about 3 GHz used in the first network 292 (eg, a legacy network). of radio frequency (RF) signals. In reception, an RF signal is obtained from a first network 292 (eg, a legacy network) via an antenna (eg, first antenna module 242), and via an RFFE (eg, first RFFE 232). It can be preprocessed. The first RFIC 222 may convert the preprocessed RF signal into a baseband signal to be processed by the first communication processor 212 .

When transmitting, the second RFIC 224 transfers the baseband signal generated by the first communication processor 212 or the second communication processor 214 to the second network 294 (eg, a 5G network). It can be converted into an RF signal (hereinafter referred to as a 5G Sub6 RF signal) of the Sub6 band (eg, about 6 GHz or less). At reception, a 5G Sub6 RF signal is obtained from a second network 294 (eg, a 5G network) through an antenna (eg, the second antenna module 244), and an RFFE (eg, the second RFFE 234) It can be pre-treated through The second RFIC 224 may convert the preprocessed 5G Sub6 RF signal into a baseband signal to be processed by a corresponding communication processor among the first communication processor 212 and the second communication processor 214 .

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

The electronic device 101, according to one embodiment, may include a fourth RFIC 228 separately from or at least as 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, an IF signal) of an intermediate frequency band (eg, about 9 GHz to about 11 GHz). After conversion, the IF signal may be transmitted to the third RFIC 226. The third RFIC 226 may convert the IF signal into a 5G Above6 RF signal. 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 to an IF signal by a third RFIC 226. . The fourth RFIC 228 may convert the IF signal into a baseband signal so that the second communication processor 214 can process it.

According to an example, the first RFIC 222 and the second RFIC 224 may be implemented as a single chip or at least part of a single package. According to one embodiment, the first RFFE 232 and the second RFFE 234 may be implemented as a single chip or at least part of a single package. According to one embodiment, at least one antenna module of the first antenna module 242 or the second antenna module 244 may be omitted or combined with another antenna module to process RF signals of a plurality of corresponding bands.

According to one 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 processor 120 may be disposed on a first substrate (eg, main PCB). In this case, the third RFIC 226 is provided on a part (eg, bottom surface) of the second substrate (eg, sub PCB) separate from the first substrate, and the antenna 248 is placed on another part (eg, top surface). is disposed, the third antenna module 246 may be formed. By arranging 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 of a high frequency band (eg, about 6 GHz to about 60 GHz) used in 5G network communication by a transmission line. As a result, the electronic device 101 can improve the quality or speed of communication with the second network 294 (eg, 5G network).

According to one embodiment, the antenna 248 may be formed of 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, a plurality of phase shifters 238 corresponding to a plurality of antenna elements as a part of the third RFFE 236. During transmission, each of the plurality of phase converters 238 may convert the phase of a 5G Above6 RF signal to be transmitted to the outside of the electronic device 101 (eg, a base station of a 5G network) through a corresponding antenna element. . During reception, each of the plurality of phase converters 238 may convert the phase of the 5G Above6 RF signal received from the outside through the corresponding antenna element into the same or substantially the same phase. This enables transmission or reception through beamforming between the electronic device 101 and the outside.

The second network 294 (eg, 5G network) may be operated independently of the first network 292 (eg, a legacy network) (eg, Stand-Alone (SA)) or may be operated in connection with the first network 292 (eg, a legacy network). Non-Stand Alone (NSA)). For example, a 5G network may include only an access network (eg, a 5G radio access network (RAN) or a next generation RAN (NG RAN)) and no core network (eg, a next generation core (NGC)). 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 the legacy network (eg LTE protocol information) or protocol information for communication with the 5G network (eg New Radio (NR) protocol information) is stored in the memory 230, and other parts (eg processor 120, the first communications processor 212, or the second communications processor 214).

3A is a block diagram of an electronic device according to various embodiments of the present disclosure.

An electronic device (eg, the electronic device 101 of FIG. 1 ) according to various embodiments of the present invention includes an antenna array (eg, the antenna 248 of FIG. 2 ) 310 , a communication circuit (eg, the second electronic device of FIG. 2 ). 3 RFFEs (236)) (320).

According to various embodiments of the present invention, the antenna array 310 may include a plurality of antennas 311, 312, and 313 (eg, a plurality of antenna elements) arranged in an array form. can The plurality of antennas 311 , 312 , and 313 may include a first antenna 311 , a second antenna 312 , and/or a third antenna 313 . The antenna array 310 is a sum of signals output to each of the plurality of antennas 311, 312, and 313, and can form a beam in a designated direction and support beamforming.

According to various embodiments of the present invention, the communication circuit 320 may include various components for supporting beamforming. The communication circuit 320 includes a plurality of chains (eg, a first chain 321, a second chain 322, a third chain 323, and a fourth chain) for outputting or receiving a plurality of signals forming a beam. chain 324, a fifth chain 325 and/or a sixth chain 326). A chain may refer to a set of various parts included in a movement path of a signal. A chain may include, for example, various components (eg, an amplifier, a switch, or a filter) that amplify a signal and filter the amplified signal.

According to various embodiments of the present invention, the antenna array 310 and the communication circuit 320 may be included in one antenna module (eg, the third antenna module 246).

According to various embodiments of the present disclosure, the first chain 321 may include various components that are connected to the first antenna 311 and process a horizontally polarized signal. The first chain 321 includes a low noise amplifier (LNA) 321-a for amplifying a received signal, an amplifier 321-b for amplifying a transmission signal, and a signal passing through the first chain 321. It may include a phase converter 321-c that changes the phase of .

According to various embodiments of the present disclosure, the second chain 322 may include various components connected to the first antenna 311 and processing a vertical polarized signal. The second chain 322 includes a low noise amplifier (LNA) 322-a that amplifies the received signal, an amplifier 322-b that amplifies the transmitted signal, and the signal passing through the second chain 322. It may include a phase shifter 322-c that changes the phase of .

According to various embodiments of the present disclosure, the third chain 323 may include various components connected to the second antenna 312 and processing a horizontally polarized signal. The third chain 323 includes a low noise amplifier (LNA) 323-a for amplifying a received signal, an amplifier 323-b for amplifying a transmission signal, and a signal passing through the third chain 323. It may include a phase converter 323-c that changes the phase of .

According to various embodiments of the present invention, the fourth chain 324 may include various components connected to the second antenna 312 and processing a vertical polarized signal. The fourth chain 324 includes a low noise amplifier (LNA) 324-a that amplifies the received signal, an amplifier 324-b that amplifies the transmitted signal, and the signal passing through the fourth chain 324. It may include a phase shifter 324-c that changes the phase of .

According to various embodiments of the present disclosure, the fifth chain 325 may include various components connected to the third antenna 313 and processing a horizontally polarized signal. The fifth chain 325 includes a low noise amplifier (LNA) 325-a for amplifying a received signal, an amplifier 325-b for amplifying a transmission signal, and a signal passing through the fifth chain 325. It may include a phase converter 325-c that changes the phase of .

According to various embodiments of the present invention, the sixth chain 326 may include various components connected to the third antenna 313 and processing a vertical polarized signal. The sixth chain 326 includes a low noise amplifier (LNA) 326-a for amplifying a received signal, an amplifier 326-b for amplifying a transmission signal, and a signal passing through the sixth chain 326. It may include a phase shifter 326-c that changes the phase of .

According to various embodiments of the present disclosure, the communication circuit 320 may include a first splitter 331 that separates paths of horizontally polarized signals or combines paths of horizontally polarized signals. The first splitter 331 is electrically connected to the first chain 321, the third chain 323, and/or the fifth chain 325 to combine paths of received signals having horizontal polarization characteristics, and combine The received signal may be transmitted to the port 351 electrically connected to the first splitter 331 . The first splitter 331 may split transmission signals having horizontal polarization characteristics and transmit the divided signals to the first chain 321 , the third chain 323 , and/or the fifth chain 325 .

According to various embodiments of the present disclosure, the communication circuit 320 may include a second splitter 333 that separates paths of vertical polarization signals or combines paths of vertical polarization signals. The second splitter 333 is electrically connected to the second chain 322, the fourth chain 324, and/or the sixth chain 326 to combine paths of the received signals having vertical polarization characteristics, and combine The received signal may be transmitted to the port 353 electrically connected to the second splitter 333 . The second splitter 333 may split transmission signals having vertical polarization characteristics and transmit the divided signals to the second chain 322 , the fourth chain 324 , and/or the sixth chain 326 .

According to various embodiments of the present invention, the communication circuit 320 is a mixer 341 that performs an operation of converting a frequency band of a signal received from the first splitter 331 or a signal to be transmitted to the first splitter 331 . ), the mixer 349 that converts the frequency band of the signal received from the second splitter 333 or the signal to be transmitted to the second splitter 333, the first splitter 311 and/or the second splitter A frequency synthesizer 345 generating a carrier frequency of a signal to be transmitted or received in 322, an amplifier 343 and/or a mixer 349 amplifying a signal input to the mixer 341 ) may further include an amplifier 347 that amplifies the input signal.

According to various embodiments of the present invention, a communication processor (eg, the second communication processor 214 of FIG. 2 ) may control the communication circuit 320 to form a beam having a designated direction. The communication processor 214 is a phase converter so that the first antenna 311, the second antenna 312, and the third antenna 313 output signals having different phases in order to form a beam having a designated direction. (321-c, 322-c, 323-c, 324-c, 325-c, 326-c) can be controlled. The communication processor 214 transmits a signal (e.g., a phase code) instructing the phase change to a specified size to the phase converters 321-c, 322-c, 323-c, 324-c, 325-c, and 326-c. can be sent to As the phase converters 321-c, 322-c, 323-c, 324-c, 325-c, and 326-c receive signals instructing them to change their phases by a specified magnitude, the chains 321, 322, 323, 324, 325, 326) may perform an operation of changing the phase of a signal passing through by a specified size.

The phase converters 321-c, 322-c, 323-c, 324-c, 325-c, and 326-c include various components (eg, passive elements including inductors or capacitors) for changing the phase of a signal. , switches, amplifiers, mixers). Various components may cause errors for phase change. When the phase converters 321-c, 322-c, 323-c, 324-c, 325-c, and 326-c perform calibration in consideration of the error, the communication processor 214 sets the phase as much as the designated size. change may be possible. On the other hand, if the phase converters 321-c, 322-c, 323-c, 324-c, 325-c, and 326-c are not calibrated, they may change their phases to a size different from the specified size. there is.

3B is a diagram illustrating mapping data of a phase shifter included in a communication circuit according to various embodiments of the present disclosure.

FIG. 3B shows a phase according to a signal (eg, phase code) transmitted by a communication processor (eg, the first communication processor 212 or the second communication processor 214 of FIG. 2 ) instructing to change the phase to a designated size. It is a graph showing the phase change of the signal by the converters 321-c, 322-c, 323-c, 324-c, 325-c, and 326-c.

The phase converters 321-c, 322-c, 323-c, 324-c, 325-c, and 326-c check the signal transmitted by the communication processor 214, and refer to the mapping data to determine the phase of the signal. can be changed. The mapping data may include data and a reference phase 365 obtained by mapping a phase code value included in a signal and a phase change degree 363 corresponding to the phase code. The phase converters 321-c, 322-c, 323-c, 324-c, 325-c, and 326-c check the phase code included in the signal transmitted by the communication processor 214, and determine the phase code. The phase of the signal may be changed based on the corresponding amount of phase change 363 and the reference phase 365 .

However, the phase converters 321-c, 322-c, 323-c, 324-c, 325-c, and 326-c may have an error in the amount of phase change due to various reasons (eg, mass production). . For example, the phase shifters 321-c, 322-c, 323-c, 324-c, 325-c, and 326-c are phase shifters 321-c, 322-c, 323-c, and 324-c , 325-c, 326-c) (e.g., elements used to change the phase of signals (eg, inductors, capacitors), characteristics of amplifiers used to amplify signals, elements used to combine signals ( Example: An error in the amount of phase change may occur due to the characteristics of a summation circuit) The actual amount of phase change 361 may be different from the specified phase change amount 363, An error 367, which is a difference between the amount of change 361 and the amount of change 363 of the phase corresponding to the phase code, may occur.

The direction of the beam output from the antenna array (e.g., the antenna array 310 of FIG. 3A) is determined by the phase shifters 321-c, 322-c, 323-c, 324-c, 325-c, and 326-c described above. Due to the error 367 of c), it may be in a direction different from the designated direction (beam tilting). In addition, the quality of the beam may be reduced by increasing the size of a signal (sidelobe) output in a direction different from the designated direction. However, as the number of antennas included in the antenna array 310 increases, the number of phase shifters 321-c, 322-c, 323-c, 324-c, 325-c, and 326-c may increase. and the calibration time of the phase shifters 321-c, 322-c, 323-c, 324-c, 325-c, and 326-c may increase.

Alternatively, in order to calibrate the phase shifters 321-c, 322-c, 323-c, 324-c, 325-c, and 326-c, the phase shifters 321-c, 322-c, and 323-c , 324-c, 325-c, 326-c) and a port (not shown) for connecting an external electronic device for calibration may need to be implemented on the communication circuit 320. When a port (not shown) for connecting an external electronic device is implemented on the communication circuit 320, the size of the communication circuit 320 may increase, resulting in a reduction in placement space inside the electronic device 101. can make it Hereinafter, a circuit structure and calibration for performing calibration of the phase shifters 321-c, 322-c, 323-c, 324-c, 325-c, and 326-c without being connected to a separate external device will be described. An embodiment to be performed is described.

4A is a block diagram of an electronic device according to various embodiments of the present disclosure.

An electronic device (eg, the electronic device 101 of FIG. 1 ) according to various embodiments of the present invention includes an antenna array (eg, the antenna 248 of FIG. 2 ) 310 , a communication circuit (eg, the second electronic device of FIG. 2 ). 3 RFFEs (236)) (400).

According to various embodiments of the present invention, the antenna array 310 may include a plurality of antennas 311, 312, and 313 arranged in an array form. The plurality of antennas 311 , 312 , and 313 may include a first antenna 311 , a second antenna 312 , and/or a third antenna 313 . The antenna array 310 is a sum of signals output to each of the plurality of antennas 311, 312, and 313, and can form a beam in a designated direction and support beamforming.

According to various embodiments of the present invention, the communication circuit 410 may include various components for supporting beamforming. The communication circuit 410 includes a plurality of chains (eg, a first chain 421, a second chain 422, a third chain 423, and a fourth chain) for outputting or receiving a plurality of signals forming a beam. chain 424 , a fifth chain 425 and/or a sixth chain 426 . A chain may refer to a set of various parts included in a movement path of a signal. A chain may include, for example, various components (eg, an amplifier, a switch, or a filter) that amplify a signal and filter the amplified signal.

According to various embodiments of the present disclosure, the first chain 421 may include various components that are connected to the first antenna 311 and process a horizontally polarized signal. The first chain 421 includes a low noise amplifier (LNA) 421-a for amplifying a received signal, an amplifier 421-b for amplifying a transmission signal, and a signal passing through the first chain 421. It may include a first phase shifter 421-c that changes the phase of .

According to various embodiments of the present disclosure, the second chain 422 may include various components connected to the first antenna 311 and processing a vertical polarized signal. The second chain 422 includes a low noise amplifier (LNA) 422-a that amplifies the received signal, an amplifier 422-b that amplifies the transmitted signal, and the signal passing through the second chain 422. It may include a second phase shifter 422-c that changes the phase of .

According to various embodiments of the present invention, the third chain 423 may include various components connected to the second antenna 312 and processing a horizontally polarized signal. The third chain 423 includes a low noise amplifier (LNA) 423-a for amplifying a received signal, an amplifier 423-b for amplifying a transmission signal, and a signal passing through the third chain 423. It may include a fourth phase shifter 423-c that changes the phase of .

According to various embodiments of the present invention, the fourth chain 424 may include various components connected to the second antenna 312 and processing a vertical polarized signal. The fourth chain 424 includes a low noise amplifier (LNA) 424-a that amplifies the received signal, an amplifier 424-b that amplifies the transmitted signal, and the signal passing through the fourth chain 424. It may include a fifth phase shifter 424-c that changes the phase of .

According to various embodiments of the present disclosure, the fifth chain 425 may include various components connected to the third antenna 313 and processing a horizontal polarized signal. The fifth chain 425 includes a low noise amplifier (LNA) 425-a for amplifying a received signal, an amplifier 425-b for amplifying a transmission signal, and a signal passing through the fifth chain 425. It may include a sixth phase shifter 425-c that changes the phase of .

According to various embodiments of the present disclosure, the sixth chain 426 may include various components connected to the third antenna 313 and processing a vertical polarized signal. The sixth chain 426 includes a low noise amplifier (LNA) 426-a that amplifies the received signal, an amplifier 426-b that amplifies the transmitted signal, and the signal passing through the sixth chain 426. It may include a seventh phase shifter 426-c that changes the phase of .

According to various embodiments of the present disclosure, the communication circuit 410 may include a first splitter 431 that separates paths of horizontally polarized signals or combines paths of horizontally polarized signals. The first splitter 431 is electrically connected to the first chain 421, the third chain 423, and/or the fifth chain 425 to combine paths of received signals having horizontal polarization characteristics, and combined The received signal may be transmitted to the first port 451 electrically connected to the first splitter 431 . The first splitter 431 may split transmission signals having horizontal polarization characteristics and transmit the divided signals to the first chain 421 , the third chain 423 , and/or the fifth chain 425 .

According to various embodiments of the present disclosure, the communication circuit 410 may include a second splitter 433 that separates vertical polarization signal paths or combines vertical polarization signal paths. The second splitter 433 is electrically connected to the second chain 422, the fourth chain 424, and/or the sixth chain 426 to combine paths of the received signals having vertical polarization characteristics, and the combined The received signal may be transmitted to the second port 453 electrically connected to the second splitter 433 . The second splitter 433 may split transmission signals having vertical polarization characteristics and transmit the divided signals to the second chain 422 , the fourth chain 424 , and/or the sixth chain 426 .

According to various embodiments of the present invention, the phase shifters 421-c, 422-c, 423-c, 424-c, 425- c, 426-c) may support a bypass mode. In the bypass mode, various parts included in various parts (e.g., phase converters 421-c, 422-c, 423-c, 424-c, 425-c, 426-c) that process phase changes Components) that generate errors for the amount of phase change (e.g., elements used to change the phase of signals (eg, inductors, capacitors), characteristics of amplifiers used to amplify signals, elements used to combine signals (e.g., inductors, capacitors) Example: other components electrically connected to phase shifters (421-c, 422-c, 423-c, 424-c, 425-c, 426-c) without going through a summation circuit (eg, the first antenna 321, the second antenna 322, the third antenna 323, the first splitter 431, and/or the second splitter 433). The phase converters 421-c, 422-c, 423-c, 424-c, 425-c, and 426-c included in the plurality of chains 421, 422, 423, 424, 425, and 426 are Calibration of the phase shifters 421-c, 422-c, 423-c, 424-c, 425-c, 426-c included in the chains 421, 422, 423, 424, 425, and 426 of During the process of determining the reference phase during the process, the bypass mode may be set. , 423-c, 424-c, 425-c, 426-c), the bypass path may not include a separate component that changes the phase of the signal. It will be described later in FIG. 4B.

According to various embodiments of the present invention, the communication circuit 410 includes a plurality of chains 421, 422, 423, 424, 425, and 426 including phase shifters 421-c, 422-c, and 423-c. , 424-c, 425-c, 426-c) may include a third phase shifter 437 for calibration. The third phase shifter 437 may be electrically connected between the first splitter 431 and/or the second splitter 433 .

The third phase shifter 437 may be electrically connected to the first splitter 431 by the first switch 435 and electrically connected to the second splitter 433 by the second switch 439. The first switch 435 and/or the second switch 437 may be in a short state when a calibration operation is performed, and may be in an open state when a calibration operation is not performed. 1 The first signal may be received through the first port 451 while the phase shifter 421-c is being calibrated. The first signal may be an input signal for calibration and may be input by a communication processor (eg, the first communication processor 212 or the second communication processor 214 of FIG. 2 ). The first splitter 431 may divide the input first signal, transmit some of the divided signals to the first chain 421, and transmit other signals to the third phase converter 437. .

The second signal, which is a divided signal among the first signals input through the first port 451, is transmitted through the first chain 421, the first antenna 311, the second chain 422, and/or the second splitter 433. ) may be transmitted through a first path including. Among the first signals input through the first port 451, the third signal, which is another divided signal, includes the first splitter 431, the third phase converter 437, and/or the second splitter 433. It can be transmitted through 2 routes. The second splitter 433 may combine the second signal transmitted through the first path and the third signal transmitted through the second path, and output the combined output signal through the second port 453. .

According to various embodiments of the present disclosure, the electronic device 101 including the communication circuit 410 may calibrate the first phase shifter 421-c based on the strength of the combined output signal. Calibration of the first phase shifter 421-c may include an operation of checking a difference between the amount of phase shift to be converted by the first phase shifter and the amount of phase shift actually converted by the first phase shifter 421-c. there is. The examples described above are operations according to the calibration of the first phase shifter 421-c, other phase shifters (eg, the second phase shifter 422-c, the fourth phase shifter 423-c), and the fifth phase shifter 421-c. The same can be applied to the calibration process of the converter 424-d, the sixth phase converter 425-c and/or the seventh phase converter 426-c. A specific embodiment of the calibration of the first phase shifter 421-c will be described later with reference to FIGS. 5 to 9 .

The third phase shifter 437 includes phase shifters 421-c, 422-c, 423-c, 424-c, 425-c, 424-c, 425- It may have a higher resolution than the resolution of c, 426-c). The resolution of a phase shifter may refer to the performance of the phase shifter related to the number of transformable phases. For example, an N-bit phase shifter may have 2 ^N phase shift capabilities. The 3-bit phase shifter may have 8 phase shift capabilities, and the 3-bit phase shifter changes the phase of the input signal to 0° and 45°. Phase change of 90°, 135°, 180°, 225°, 270°, and 315° can be performed. The resolution of the phase converters 421-c, 422-c, 423-c, 424-c, 425-c, and 426-c included in the plurality of chains 421, 422, 423, 424, 425, and 426 is In the case of N bits, the resolution of the third phase shifter 437 may have a resolution of N+1 bits or more. The third phase shifter 437 may be pre-calibrated prior to the calibration process of the first phase shifter 421-c in order to improve calibration accuracy.

According to various embodiments of the present invention, the communication circuit 410 is a mixer 441 that converts a frequency band of a signal received from the first splitter 431 or a signal to be transmitted to the first splitter 431 . ), the mixer 449 for converting the frequency band of the signal received from the second splitter 433 or the signal to be transmitted to the second splitter 433, the first splitter 311 and/or the second splitter A frequency synthesizer 345 for generating a carrier frequency of a signal to be transmitted or received in 322, an amplifier 443 for amplifying a signal input to a mixer 441, and/or input to a mixer 449 An amplifier 447 for amplifying the signal may be further included.

4B is a diagram illustrating a phase shifter supporting a bypass mode in an electronic device according to various embodiments of the present disclosure.

According to various embodiments of the present invention, a communication circuit (eg, the communication circuit 410 of FIG. 4A) may include a phase shifter (eg, a first phase shifter 421-c), a second phase shifter 422-c, The fourth phase shifter 423-c, the fifth phase shifter 424-c, the sixth phase shifter 425-c and/or the seventh phase shifter 426-c) 460 may be included. .

The phase shifter 460 according to various embodiments of the present invention may include various elements (eg, passive elements including inductors or capacitors, switches, amplifiers, mixers) 465 for changing the phase of a signal. there is. Elements 465 may include elements used to change the phase of signals (eg, inductors, capacitors), amplifiers used to amplify signals, and elements used to combine signals (eg, summation circuits). there is. In the phase shifter 460, an error in the amount of phase change may occur due to various reasons (eg, mass production). For example, the phase shifter 460 may generate an error with respect to the amount of phase change due to characteristics of various elements 465 included in the phase shifter 460 .

According to various embodiments of the present disclosure, the phase shifter 460 may support a bypass mode in which a signal does not pass through a component that causes an error in a phase change amount.

When calibrating the phase shifter 460, the communication circuit 410 may control the phase shifter 460 so that the phase shifter 460 operates in a bypass mode. The communication circuit 410 converts the switches 462 and 463 connected to the elements 465 to an open state and switches the switches 465 and 466 connected to the bypass path 464 to a short state, so that the phase Converter 460 can be operated in a bypass mode. When the phase shifter 460 operates in the bypass mode, a signal input to the phase shifter 460 may be output through the bypass path 464 without passing through the elements 465 .

The communication circuit 410 may control the phase shifter 460 so that the phase shifter 460 operates in a normal mode when the phase shifter 460 is not calibrated. The communication circuit 410 converts the switches 462 and 463 connected to the elements 465 into a short state and switches the switches 465 and 466 connected to the bypass path 464 into an open state, so that the phase The converter 460 can be operated in normal mode. When the phase shifter 460 operates in the normal mode, a signal input to the phase shifter 460 may be output in a manner that passes through the elements 465 without passing through the bypass path 464 .

5 is a block diagram of an electronic device according to various embodiments of the present disclosure.

An electronic device (eg, the electronic device 101 of FIG. 1 ) according to various embodiments of the present invention includes an antenna array (eg, the antenna array 310 of FIG. 3A ), a communication circuit (eg, the communication circuit of FIG. 4A ( 410)) and/or a communication processor (eg, the first communication processor 212 or the second communication processor 214 of FIG. 2A) 510.

According to various embodiments of the present invention, the antenna array 310 may include a plurality of antennas 311, 312, and 313 arranged in an array form. The plurality of antennas 311 , 312 , and 313 may include a first antenna 311 , a second antenna 312 , and/or a third antenna 313 . The antenna array 310 is a sum of signals output to each of the plurality of antennas 311, 312, and 313, and can form a beam in a designated direction and support beamforming.

According to various embodiments of the present invention, the communication circuit 410 may include various components for supporting beamforming. The communication circuit 410 includes a plurality of chains (eg, a first chain 421, a second chain 422, and a third chain 423 in FIG. 4A) for outputting or receiving a plurality of signals forming a beam. , the fourth chain 424, the fifth chain 425 and/or the sixth chain 426). A chain may refer to a set of various parts included in a movement path of a signal. A chain may include, for example, various components (eg, an amplifier, a switch, or a filter) that amplify a signal and filter the amplified signal.

According to various embodiments of the present invention, the antenna array 310 and the communication circuit 410 may be included in one antenna module (eg, the third antenna module 246).

According to various embodiments of the present invention, the communication processor 510 may control data (control) through short-range wireless communication (eg, Wi-Fi or Bluetooth) or cellular wireless communication (eg, 4th generation mobile communication or 5th generation mobile communication). data) or user data may be received or transmitted. The communication processor 510 establishes a cellular communication connection with the base station through control data, and transmits data received from the application processor (eg, the processor 120 of FIG. 1) to the base station or from the base station through the established cellular communication. The received data may be transmitted to the application processor 120 .

According to various embodiments of the present invention, the communication processor 510 includes a plurality of chains (eg, a first chain 421, a second chain 422, and a third chain (of FIG. 4A) of the communication circuit 410. 423), the phase shifters included in the fourth chain 424, the fifth chain 425, and the sixth chain 426 (eg, the first phase shifter 421-c of FIG. 4A, the second phase shifter ( 422-c), the fourth phase shifter 423-c, the fifth phase shifter 424-c, the sixth phase shifter 425-c, and the seventh phase shifter 426-c). can Hereinafter, for convenience of description, a process of performing calibration of the first phase shifter 421-c will be described. In the calibration process described below, the phase shifters 421-c, 422-c, and 423 included in the plurality of chains 421, 422, 423, 424, 425, and 426 including the first phase shifter 421-c -c, 424-c, 425-c, 426-c) can be equally applied.

According to various embodiments of the present invention, the communication processor 510 may input a first signal for calibration to the communication circuit 420 through a first port (eg, the first port 451 of FIG. 4A ). there is. The communication circuit 420 may receive the first signal through the first port 451 while the first phase shifter 421-c is being calibrated. The first splitter (eg, the first splitter 431 of FIG. 4A) divides the input first signal, transmits some of the divided signals to the first chain 421, and transmits other signals to the first chain 421. It can be transmitted to the 3-phase converter 437.

The second signal, which is a divided signal among the first signals input through the first port 451, is transmitted through the first chain 421, the first antenna 311, the second chain 422, and/or the second splitter 433. ) may be transmitted through a first path including. Among the first signals input through the first port 451, the third signal, which is another divided signal, includes the first splitter 431, the third phase converter 437, and/or the second splitter 433. It can be transmitted through 2 routes. The second splitter 433 may combine the second signal transmitted through the first path and the third signal transmitted through the second path, and output the combined output signal through the second port 453. .

According to various embodiments of the present invention, the communication processor 510 receives an output signal output through the second port 453, and performs calibration of the first phase shifter 423-a based on the output signal can do. Calibration of the first phase shifter 421-c may include an operation of checking a difference between a designated amount of phase shift converted by the first phase shifter and a phase shift amount actually converted by the first phase shifter 421-c. can

According to various embodiments of the present invention, the communication processor 510 uses the first phase shifter 421-c and the second phase shifter 422 to check the actual amount of phase shift of the first phase shifter 421-c. A phase change amount of the first signal by the first chain 421 and the second chain 422 excluding -c) may be determined. The communication processor 510 sets the first phase shifter 421-c and the second phase shifter 422-c to the bypass mode and changes the amount of phase shift of the third phase shifter 437, while outputting an output signal. intensity can be ascertained. The communication processor 510 satisfies a specified condition (eg, a condition in which the strength of the output signal is the maximum value or a condition in which the strength of the output signal is the minimum value) based on whether the strength of the signal satisfies the specified condition. It is possible to check the amount of phase change of the third phase shifter 421-c corresponding to the state. When the specified condition is the condition where the intensity of the output signal is the maximum value, the amount of phase change of the third phase converter 421-c is equal to the amount of phase change of the first signal by the first chain 421 and the second chain 422. can do. The communication processor 510 may set the amount of phase change of the third phase converter 421-c as a reference phase.

According to various embodiments of the present invention, the communication processor 510 may change the phase of the third phase shifter 437 while maintaining the degree to which the second phase shifter 422-c changes the phase of the first signal. Calibration of the first phase shifter 421-c may be performed while changing the degree of changing . The communication processor 510 transmits, to the first phase shifter 421-c, a signal that causes the first phase shifter 421-c to change the phase of the first signal by a designated phase change amount. (421-c) can be controlled. The communication processor 510 may check the intensity (or amplitude) of the output signal while changing the amount of phase change of the third phase shifter 437 . The communication processor 510 may check the amount of phase change of the third phase converter 421-c corresponding to the state of outputting the signal strength that satisfies the specified condition, based on whether the signal strength satisfies the specified condition. there is. When the specified condition is the condition where the intensity of the output signal is the maximum value, the amount of phase change of the third phase converter 421-c is the amount of phase change of the first signal by the first chain 421 and the second chain 422 (eg : reference change amount) and the actual phase change amount by the first phase shifter 421-c.

The communication processor 510 maps the identification information of the signal for the specified phase change and the actual phase change amount of the first phase shifter 421-c in order to increase the calibration accuracy of the first phase shifter 421-c. One data may be generated and the data may be stored in a memory (eg, the memory 130 of FIG. 1 ).

The communication processor 510 may check the actual amount of phase change of the first signal by the first phase converter 421-c based on the amount of phase change of the third phase converter 421-c, and Calibration of the first phase shifter 421-c may be performed based on the actual amount of phase change. Calibration of the first phase shifter 421-c according to various embodiments will be described in detail below.

6 is a diagram illustrating an embodiment in which an electronic device according to various embodiments of the present disclosure performs calibration of a first phase shifter using a third phase shifter.

Among the communication circuits 410 shown in FIG. 4A, the communication circuit 410 shown in FIG. 6 is involved in the calibration process of the first phase shifter (eg, the first phase shifter 421-c of FIG. 4A). Some of the components except components are omitted.

According to various embodiments of the present invention, a communication processor (eg, the communication processor 510 of FIG. 5 ), as part of an operation of calibrating the first phase shifter 421-c, first switch 435 and The second switch 439 may be switched to a short state, and the third phase converter 437 may be electrically connected to the first splitter 431 and the second splitter 433 .

The communication processor 510 may input a first signal through the first port 451 while the third phase converter 437 is electrically connected to the first splitter 431 and the second splitter 433. can

The first signal input through the first port 451 may be split by the first splitter 431 . The second signal generated by dividing the first signal is a first path 610 including a first chain 421, a first antenna 311, a second chain 422 and/or a second splitter 433. ) to the second splitter 433. A third signal generated by dividing the first signal may be transferred to the third phase converter 439 through the first splitter 431 . The third phase shifter 439 may change the phase of the third signal according to a specified phase change amount corresponding to the phase code included in the control signal transmitted by the communication processor 510 . The third phase converter 439 may transmit the third signal having the changed phase to the second splitter 433 .

According to various embodiments of the present invention, the second splitter 433 combines the second signal transmitted through the first path and the third signal transmitted through the second path, and outputs the combined output signal to a second port. It can be output through (453).

The second signal may be expressed as in Equation 1 below.

[Equation 1]

의 주파수를 갖는 제 1 신호, PS_TX는 제 1 체인의 위상 변화량, PS_RX는 제 2 체인의 위상 변화량, loop gain 1은 제 1 경로에 의한 이득 값)(A*sin(wt) is the amplitude A and

1st signal with frequency of, PS _TX is the amount of phase change of the 1st chain, PS _RX is the amount of phase change of the 2nd chain, loop gain 1 is the gain value by the 1st path)

The third signal may be expressed as in Equation 2 below.

[Equation 2]

의 주파수를 갖는 제 1 신호, RS_REF는 제 3 위상 변환기(437)에 의한 위상 변화량, loop gain 2는 제 2 경로에 의한 이득 값)(A*sin(wt) is the amplitude A and

A first signal having a frequency of, RS _REF is the amount of phase change by the third phase converter 437, and loop gain 2 is the gain value by the second path)

The output signal can be expressed as Equation 3 below.

[Equation 3]

의 주파수를 갖는 제 1 신호, PS_TX는 제 1 체인의 위상 변화량, PS_RX는 제 2 체인의 위상 변화량, RS_REF는 제 3 위상 변환기(437)에 의한 위상 변화량)(A*sin(wt) is the amplitude A and

1st signal with a frequency of, PS _TX is the amount of phase change of the 1st chain, PS _RX is the amount of phase change of the 2nd chain, RS _REF is the amount of phase change by the 3rd phase shifter 437)

According to various embodiments of the present invention, the communication processor 510 determines a first chain gain (loop gain 1) and a second chain gain (loop gain 2) for calibration of the first phase shifter 421-c. ) is the same, the amplifier 421-b of the first chain 421 and the low noise amplifier 422-a of the second chain 422 may be controlled. When the gain of the first chain and the gain of the second chain 422 are the same, the output signal may be implemented as Equation 4 below.

[Equation 4]

Referring to Equation 4, when the amplitude of the output signal is maximized, the phase change amount PS _REF of the third phase converter 437 is equal to the phase change amount PS _TX of the first chain 421 and the second It can be seen that the situation is the same as the phase change amount (PS _RX ) of the chain 422 . The communication processor 510 checks the intensity of the output signal that changes as the amount of phase change of the third phase shifter 437 changes, and determines the intensity of the output signal under a specified condition (eg, the intensity of the output signal is the maximum value). condition) can be checked.

According to various embodiments of the present invention, the communication processor 510 receives an output signal output through the second port 453, and performs calibration of the first phase shifter 421-c based on the output signal can do.

According to various embodiments of the present invention, the communication processor 510 may set the first phase shifter 421-c and the second phase shifter 422-c to a bypass mode in order to determine the reference change amount. . The communication processor 510 sets the first phase shifter 421-c and the second phase shifter 422-c to the bypass mode and changes the amount of phase shift of the third phase shifter 437, while outputting an output signal. intensity can be ascertained. The communication processor 510 satisfies a specified condition (eg, a condition in which the strength of the output signal is the maximum value or a condition in which the strength of the output signal is the minimum value) based on whether the strength of the signal satisfies the specified condition. It is possible to check the amount of phase change of the third phase shifter 421-c corresponding to the state. When the specified condition is the condition where the intensity of the output signal is the maximum value, the amount of phase change of the third phase converter 421-c is the amount of phase change of the first signal by the first chain 421 and the second chain 422 (or , the amount of phase change of the first signal due to the delay times of the first chain 421 and the second chain 422). The communication processor 510 may set the amount of phase change of the third phase converter 421-c as a reference phase.

According to various embodiments of the present invention, the communication processor 510 maintains the amount by which the second phase converter 422-c changes the phase of the first signal (or, in the process of checking the reference amount of change, the first Calibration of the first phase converter 421-c can be performed while changing the degree of phase change of the third phase converter 437 in a state where the amount of phase change equal to the amount of phase change of the signal is maintained). there is. The communication processor 510 transmits a signal that causes the first phase shifter 421-c to change the phase of the first signal by a designated phase change amount to the first phase shifter 421-c. (421-c) can be controlled. The communication processor 510 may check the intensity (or amplitude) of the output signal while changing the amount of phase change of the third phase shifter 437 . The communication processor 510 may check the amount of phase change of the third phase converter 421-c corresponding to the state of outputting the signal strength that satisfies the specified condition, based on whether the signal strength satisfies the specified condition. there is. When the specified condition is the condition where the intensity of the output signal is the maximum value, the amount of phase change of the third phase converter 421-c is the amount of phase change of the first signal by the first chain 421 and the second chain 422 (eg : reference change amount) and the actual phase change amount by the first phase shifter 421-c.

According to various embodiments of the present invention, the communication processor 510 checks the amount of phase change of the third phase converter 421-c corresponding to whether the output signal satisfies a specified condition, and the third phase converter 421-c The difference between the phase change amount of ) and the reference change amount can be determined as the actual phase change amount by the first phase converter 421-c.

According to various embodiments of the present invention, the communication processor 510 may perform the above operations the same number of times as the number of phase transformations supported by the first phase shifter 421-c. For example, when the first phase shifter 421-c is an N-bit phase shifter, the first phase shifter 421-c may perform as many as ^2N phase shifts. The communication processor 510 may perform calibration 2 ^N times while transmitting control signals including 2 ^N different phase codes to the first phase converter 421-c.

According to various embodiments of the present invention, the communication processor 510 provides mapping data in which a phase code, which is identification information of a signal that changes a phase of a specified magnitude, and an actual phase change amount of the first phase converter 421-c are mapped. It may be stored in a memory (eg, the memory 130 of FIG. 1 ). The communication processor 510 may control the first phase shifter 421-c by referring to mapping data in order to form a beam in a designated direction.

The electronic device 101 according to various embodiments of the present disclosure may perform calibration of the first phase shifter 421-c through the third phase shifter 437 according to the method described above, and the other phase shifter 421-c may be calibrated. Transducers (e.g., second phase shifter 422-c, fourth phase shifter 423-c, fifth phase shifter 424-c, sixth phase shifter 425-c and/or seventh phase shifter 425-c) Calibration of (426-c)) may be performed. The electronic device 101 may perform calibration of the other phase shifters and store mapping data in which the phase code and the actual phase change amount of each of the other phase shifters are mapped in the memory 130 .

A communication circuit according to various embodiments of the present invention includes a first chain connected to an antenna and including a first phase shifter; a second chain connected to the antenna and including a second phase shifter; a first splitter connected to the first chain; a second splitter connected to the second chain; and a third phase shifter electrically connected between the first splitter and the second splitter, wherein the communication circuit transmits a signal through the first splitter, the third phase shifter, and/or the second splitter. and a second path through which signals are transmitted through the first splitter, the first chain, the antenna, the second chain, and/or the second splitter.

In a communication circuit according to various embodiments of the present invention, the communication circuit may include a first port electrically connected to the first chain through the first splitter and inputting a horizontally polarized signal; and a second port electrically connected to the second chain through the second splitter to input a vertical polarized signal, wherein the first splitter receives a first signal input to the first port. It is divided, and the divided signal may be transmitted to the first chain and the third phase converter.

In the communication circuit according to various embodiments of the present invention, the communication circuit may include the first phase shifter and/or the first phase shifter and/or the communication circuit based on a second signal transmitted through the first path and a third signal transmitted through the second path. Calibration of the second phase shifter may be performed.

In the communication circuit according to various embodiments of the present invention, the calibration of the first phase shifter and/or the second phase shifter is performed by calculating a phase change amount designated for the first phase shifter and/or the second phase shifter and an actual phase change amount. It may include an operation to check the difference.

In the communication circuit according to various embodiments of the present disclosure, the second splitter may combine the second signal and the third signal.

In the communication circuit according to various embodiments of the present invention, the first phase shifter and/or the second phase shifter support a bypass mode in which a signal does not pass through a component for changing the phase of the signal. can

In the communication circuit according to various embodiments of the present disclosure, the third phase converter may have a resolution higher than that of the first phase converter and/or the second phase converter.

In a communication circuit according to various embodiments of the present disclosure, the communication circuit may include: a first switch controlling a connection between the first splitter and the third phase converter; and a second switch controlling a connection between the second splitter and the third phase shifter.

An electronic device according to various embodiments of the present disclosure includes an antenna; communication circuit; and a communication processor, wherein the communication circuit is connected to the antenna and includes a first chain including a first phase shifter; a second chain connected to the antenna and including a second phase shifter; a first splitter connected to the first chain; a second splitter connected to the second chain; and a third phase shifter electrically connected between the first splitter and the second splitter, wherein the communication processor inputs a first signal through an input port of the communication circuit, and the first chain, the antenna and A second signal received through a first path including the second chain and a third signal transmitted through a second path including the first splitter, the third phase shifter, and the second splitter, It may be configured to perform calibration of the first phase shifter and/or the second phase shifter based on the output signal combined by the two splitters.

In the electronic device according to various embodiments of the present disclosure, the calibration of the first phase shifter and/or the second phase shifter is performed by calculating a ratio between a phase change amount designated for the first phase shifter and/or the second phase shifter and an actual phase change amount. It may include an operation to check the difference.

In the electronic device according to various embodiments of the present disclosure, the communication processor controls the third phase shifter to change the phase of the second signal in a state in which the first phase shifter is set to a bypass mode, A phase change amount of the third phase converter corresponding to a state in which the intensity of the output signal is a maximum value may be set as a reference change amount, and the calibration may be performed based on the reference change amount.

In the electronic device according to various embodiments of the present disclosure, the reference change amount may be a phase change amount corresponding to the delay times of the first chain and the second chain.

In an electronic device according to various embodiments of the present disclosure, the communication processor may change the phase of the second signal in a state in which the first phase converter is set to change the phase of the first signal by a specified magnitude, Controls a third phase shifter, checks a phase shift amount of the third phase shifter corresponding to a maximum value of the intensity of the output signal, and controls the first phase shifter based on a difference between the checked phase shift amount and the reference shift amount. It can be set to check the actual amount of phase change of the signal by

In the electronic device according to various embodiments of the present disclosure, the communication processor may store mapping data obtained by mapping an actual amount of phase change of a signal by the first phase changer, which is mapped to identification information of a signal changing a phase of the specified size, into a memory. It can be set to save to .

In an electronic device according to various embodiments of the present disclosure, the communication processor may control the first phase changer based on the mapping data to output a signal in a designated direction.

In an electronic device according to various embodiments of the present disclosure, the communication circuit may include: a first switch controlling a connection between the first splitter and the third phase converter; and a second switch controlling a connection between the second splitter and the third phase shifter.

7 is an operation flowchart illustrating an operation of determining a reference amount of change used for calibration in an electronic device according to various embodiments of the present disclosure.

According to various embodiments of the present disclosure, an electronic device (eg, the electronic device 101 of FIG. 4A ), in operation 710, generates a first phase shifter (eg, the first phase shifter 421-c of FIG. 4A ). A first signal for calibration may be input to a first port (eg, first port 451 of FIG. 4A ) of a communication circuit (eg, communication circuit 410 of FIG. 4A ).

The first signal input through the first port 451 may be split by a first splitter (eg, the first splitter 431 of FIG. 4A ). The second signal generated through division of the first signal is a first chain (eg, first chain 421 of FIG. 4A), a first antenna (eg, first antenna 311 of FIG. 4A), and a second chain. (eg, second chain 422 in FIG. 4A) and/or a first path (eg, first path 610 in FIG. 6) including a second splitter (eg, second splitter 433 in FIG. 4A) ) to the second splitter 433. A third signal generated by dividing the first signal may be transmitted to the third phase converter 439 through the first splitter 431 . The third phase shifter 439 may change the phase of the third signal according to a specified phase change amount corresponding to the phase code included in the control signal transmitted by the communication processor 510 . The third phase converter 439 may transmit the third signal having the changed phase to the second splitter 433 .

According to various embodiments of the present disclosure, in operation 720, the electronic device 101 may check the strength of an output signal output through the second port 453 of the communication circuit 410.

According to various embodiments of the present disclosure, the electronic device 101 may set the first phase shifter 421-c and the second phase shifter 422-c to a bypass mode in order to determine the reference change amount. . The electronic device 101 sets the first phase shifter 421-c and the second phase shifter 422-c to the bypass mode, changes the amount of phase change of the third phase shifter 437, and outputs an output signal. intensity can be ascertained.

According to various embodiments of the present disclosure, in operation 730, the electronic device 101 determines the amount of phase change of a third phase converter (eg, the third phase converter 439 of FIG. 4A ) that maximizes the intensity of the output signal. You can check.

The electronic device 101 satisfies a specified condition for the intensity of the output signal (eg, a condition in which the intensity of the output signal is the maximum value or a condition in which the intensity of the output signal is the minimum value) based on whether the intensity of the signal satisfies the specified condition. It is possible to check the amount of phase change of the third phase shifter 421-c corresponding to the state.

The amount of phase change of the third phase converter 421-c is the amount of phase change of the first signal by the first chain 421 and the second chain 422 (or, the first chain 421 and the second chain 422) The amount of phase change of the first signal due to the delay time of ) may be the same.

According to various embodiments of the present disclosure, in operation 740, the electronic device 101 may set the checked phase change amount as a reference change amount and store the reference change amount.

8 is an operation flowchart illustrating an operation of calibrating a first phase shifter in an electronic device according to various embodiments of the present disclosure.

According to various embodiments of the present disclosure, an electronic device (eg, the electronic device 101 of FIG. 4A), in operation 810, generates a first phase shifter (eg, the first phase shifter 421-c of FIG. 4A). A first signal for calibration may be input to a first port (eg, first port 451 of FIG. 4A ) of a communication circuit (eg, communication circuit 410 of FIG. 4A ).

The first signal input through the first port 451 may be split by a first splitter (eg, the first splitter 431 of FIG. 4A ). The second signal generated through division of the first signal is a first chain (eg, first chain 421 of FIG. 4A), a first antenna (eg, first antenna 311 of FIG. 4A), and a second chain. (eg, second chain 422 in FIG. 4A) and/or a first path (eg, first path 610 in FIG. 6) including a second splitter (eg, second splitter 433 in FIG. 4A) ) to the second splitter 433. A third signal generated by dividing the first signal may be transmitted to the third phase converter 439 through the first splitter 431 . The third phase shifter 439 may change the phase of the third signal according to a specified phase change amount corresponding to the phase code included in the control signal transmitted by the communication processor 510 . The third phase converter 439 may transmit the third signal having the changed phase to the second splitter 433 .

The electronic device 101 transmits, to the first phase shifter 421-c, a signal that causes the first phase shifter 421-c to change the phase of the first signal by a specified phase change amount, (421-c) can be controlled.

According to various embodiments of the present disclosure, in operation 820, the electronic device 101 may check the strength of an output signal output through the second port 453 of the communication circuit 410.

According to various embodiments of the present disclosure, the electronic device 101 maintains the amount by which the second phase converter 422-c changes the phase of the first signal (or, in the process of checking the reference change amount, the first Maintaining the same phase change amount as the degree of phase change of the signal), while changing the degree of phase change of the third phase converter 437, the intensity of the output signal can be checked.

According to various embodiments of the present disclosure, in operation 830, the electronic device 101 determines the amount of phase change of a third phase converter (eg, the third phase converter 439 of FIG. 4A ) that maximizes the intensity of the output signal. You can check.

The amount of phase change of the third phase converter 421-c corresponding to the situation in which the intensity of the output signal is maximal is the amount of phase change of the first signal by the first chain 421 and the second chain 422 (e.g., the amount of reference change). and the actual phase change amount by the first phase shifter 421-c.

According to various embodiments of the present disclosure, in operation 840, the electronic device 101 may check the actual phase shift of the first phase shifter 421-c based on the difference between the checked phase shift and the reference shift. .

According to various embodiments of the present disclosure, the electronic device 101 checks the amount of phase change of the third phase converter 421-c corresponding to whether the output signal satisfies a specified condition, and the third phase converter 421-c The difference between the phase change amount of ) and the reference change amount can be determined as the actual phase change amount by the first phase converter 421-c.

According to various embodiments of the present disclosure, the electronic device 101 may perform the above operations the same number of times as the number of phase transformations supported by the first phase shifter 421-c. For example, when the first phase shifter 421-c is an N-bit phase shifter, the first phase shifter 421-c may perform as many as ^2N phase shifts. The electronic device 101 may perform calibration 2 ^N times while transmitting control signals including 2 ^N different phase codes to the first phase converter 421-c.

According to various embodiments of the present disclosure, in operation 850, the electronic device 101 may add the checked actual phase change amount to the mapping data.

According to various embodiments of the present disclosure, the electronic device 101 provides mapping data in which a phase code, which is identification information of a signal that changes a phase of a specified magnitude, and an actual phase change amount of the first phase converter 421-c are mapped. It may be stored in a memory (eg, the memory 130 of FIG. 1 ). The electronic device 101 may control the first phase shifter 421-c by referring to the mapping data in order to form a beam in a designated direction.

The electronic device 101 may check the phase shift error of the first phase shifter 421-c based on the difference between the actual phase shift amount and the designated phase shift amount of the first phase shifter 421-c. The electronic device 101 may add a phase transformation error to mapping data.

9 is an operation flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure.

In operation 910, an electronic device (eg, the electronic device 101 of FIG. 4A) according to various embodiments of the present disclosure performs calibration of a first phase shifter (eg, the first phase shifter 421-c of FIG. 4A) The first signal for may be input to the first port (eg, the first port 451 of FIG. 4A) of the communication circuit (eg, the communication circuit 410 of FIG. 4A).

The first signal input through the first port 451 may be split by a first splitter (eg, the first splitter 431 of FIG. 4A ). The second signal generated through division of the first signal is a first chain (eg, first chain 421 of FIG. 4A), a first antenna (eg, first antenna 311 of FIG. 4A), and a second chain. (eg, second chain 422 in FIG. 4A) and/or a first path (eg, first path 610 in FIG. 6) including a second splitter (eg, second splitter 433 in FIG. 4A) ) to the second splitter 433. A third signal generated by dividing the first signal may be transferred to the third phase converter 439 through the first splitter 431 . The third phase shifter 439 may change the phase of the third signal according to a specified phase change amount corresponding to the phase code included in the control signal transmitted by the communication processor 510 . The third phase converter 439 may transmit the third signal having the changed phase to the second splitter 433 .

The electronic device 101 transmits, to the first phase shifter 421-c, a signal that causes the first phase shifter 421-c to change the phase of the first signal by a specified phase change amount, (421-c) can be controlled.

In operation 920, the electronic device 101 according to various embodiments of the present disclosure may check the strength of an output signal output through the second port 453 of the communication circuit 410.

According to various embodiments of the present disclosure, the electronic device 101 maintains the amount by which the second phase converter 422-c changes the phase of the first signal (or, in the process of checking the reference change amount, the first Maintaining the same phase change amount as the degree of phase change of the signal), while changing the degree of phase change of the third phase converter 437, the intensity of the output signal can be checked.

In operation 930, the electronic device 101 according to various embodiments of the present disclosure may check whether the intensity of an output signal satisfies a specified condition.

According to various embodiments of the present invention, the designated condition may be a condition related to the intensity of an output signal. For example, the specified condition may include a condition in which the intensity of the output signal is the maximum value or a condition in which the intensity of the output signal is the minimum value.

In operation 940, the electronic device 101 according to various embodiments of the present disclosure, in response to the intensity of the output signal satisfying a specified condition (operation 930-Y), based on the amount of phase change of the third phase converter 439 Thus, the first phase shifter 421-c and/or the second phase shifter 422-c may be calibrated.

In operation 950, the electronic device 101 according to various embodiments of the present disclosure, in response to the intensity of the output signal not satisfying the specified condition (operation 930-N), the phase change amount of the third phase converter 439 can be changed.

The electronic device 101 may determine the intensity of an output signal that satisfies a specified condition by repeatedly performing operations 910 to 930 after changing the amount of phase change of the third phase shifter 439 .

An operating method of an electronic device according to various embodiments of the present disclosure includes inputting a first signal through an input port of a communication circuit; A second signal received through a first path including a first chain including a first phase shifter, a second chain including an antenna and a second phase shifter, and a first splitter of the communication circuit, a third phase shifter, and checking whether the intensity of an output signal combined with a third signal received through a second path including a second splitter satisfies a specified condition; and performing calibration of the first phase shifter and/or the second phase shifter based on the amount of phase change of the third phase shifter corresponding to the strength of the output signal satisfying the specified condition.

In the operating method of an electronic device according to various embodiments of the present disclosure, the operation of performing calibration of the first phase shifter and/or the second phase shifter is assigned to the first phase shifter and/or the second phase shifter. An operation of checking a difference between the phase change amount and the actual phase change amount may be included.

In the operating method of an electronic device according to various embodiments of the present disclosure, the performing of the calibration may include changing the phase of the second signal in a state in which the first phase converter is set to the bypass mode, the third controlling the phase shifter; setting a first phase change amount of the third phase converter corresponding to a state in which the intensity of the output signal is a maximum value as a reference change amount; An operation of performing the calibration based on the reference amount of change may be included.

In the operating method of an electronic device according to various embodiments of the present disclosure, the pre-calibration operation is performed in a state in which the first phase converter is set to change the phase of the first signal to a specified size, and the second signal controlling the third phase shifter to change the phase; checking an amount of phase change of the third phase converter corresponding to a maximum value of the intensity of the output signal; The method may further include checking an actual phase change amount of a signal by the first phase changer based on a difference between the confirmed phase change amount and the reference change amount.

An operating method of an electronic device according to various embodiments of the present disclosure may include storing in a memory data obtained by mapping the actual amount of phase change to identification information of a signal changing the phase of the specified magnitude; Further comprising controlling the first phase changer based on the mapping data to output a signal in a designated direction, wherein the mapping data includes identification information of the first signal corresponding to the first chain and the first chain The actual phase change amount of may be mapped, and identification information of the second signal corresponding to the second chain and the actual phase change amount of the second chain may be mapped.

An operating method of an electronic device according to various embodiments of the present disclosure further includes an operation of storing in a memory identification information of a signal changing a phase of a specified magnitude and data in which an actual phase change amount of a signal by the third phase converter is mapped. can include

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

Various embodiments of this document and terms used therein are not intended to limit the technical features described in this document to specific embodiments, but should be understood to include various modifications, equivalents, or substitutes of the embodiments. In connection with the description of the drawings, like reference numbers may be used for like or related elements. The singular form of a noun corresponding to an item may include one item or a plurality of items, unless the relevant context clearly dictates otherwise. In this document, "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 Each of the phrases such as "at least one of , B, or C" may include any one of the items listed together in that phrase, or all possible combinations thereof. Terms such as "first", "second", or "first" or "secondary" may simply be used to distinguish a given component from other corresponding components, and may be used to refer to a given component in another aspect (eg, importance or order) is not limited. A (e.g., first) component is said to be "coupled" or "connected" to another (e.g., second) component, with or without the terms "functionally" or "communicatively." When mentioned, it means that the certain component may 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, and is interchangeable with terms such as, for example, logic, logical blocks, parts, or circuits. can be used as A module may be an integrally constructed component or a minimal unit of components or a portion thereof that performs one or more functions. For example, according to one embodiment, the module may be implemented in the form of an application-specific integrated circuit (ASIC).

Various embodiments of this document provide 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). It may be implemented as software (eg, the program 140) including them. For example, a processor (eg, the processor 120) of a device (eg, the electronic device 101) may call at least one command among one or more instructions stored from a storage medium and execute it. This enables the device to be operated to perform at least one function according to the at least one command invoked. 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-temporary' only means that the storage medium is a tangible device and does not contain a signal (eg, electromagnetic wave), and this term is used when data is stored semi-permanently in the storage medium. It does not discriminate when it is temporarily stored.

According to one embodiment, the method according to various embodiments disclosed in this document may be included and provided in a computer program product. Computer program products may be traded between sellers and buyers as commodities. A computer program product is distributed in the form of a device-readable storage medium (e.g. compact disc read only memory (CD-ROM)), or through an application store (e.g. Play Store™) or on two user devices (e.g. It can be distributed (eg downloaded or uploaded) online, directly between smart phones. In the case of online distribution, at least part of the computer program product may be temporarily stored or temporarily created in a storage medium readable by a device such as a manufacturer's server, an application store server, or a relay server's memory.

According to various embodiments, each component (eg, module or program) of the above-described components may include a single object or a plurality of entities, and some of the plurality of entities may be separately disposed in other components. there is. According to various embodiments, one or more components or operations among the aforementioned corresponding components may be omitted, or one or more other components or operations may be added. Alternatively or additionally, a plurality of components (eg modules or programs) may be integrated into a single component. In this case, the integrated component may perform one or more functions of each of the plurality of components identically or similarly to those performed by a corresponding component of the plurality of components prior to the integration. . According to various embodiments, the actions performed by a module, program, or other component are executed sequentially, in parallel, iteratively, or heuristically, or one or more of the actions are executed in a different order, or omitted. or one or more other actions may be added.

Claims (21)

In the communication circuit,
a first chain connected to the antenna and including a first phase shifter;
a second chain connected to the antenna and including a second phase shifter;
a first splitter connected to the first chain;
a second splitter connected to the second chain; and
A third phase converter electrically connected between the first splitter and the second splitter,
The communication circuit
A first path through which a signal is transmitted through the first splitter, the third phase shifter, and/or the second splitter, and the first splitter, the first chain, the antenna, the second chain, and/or the second A communication circuit comprising a second path through which a signal is transmitted through a splitter.
According to claim 1,
The communication circuit
a first port electrically connected to the first chain through the first splitter and inputting a horizontally polarized signal;
A second port electrically connected to the second chain through the second splitter to input a vertical polarized signal,
The first splitter is
A communication circuit for dividing a first signal input to the first port and transmitting the divided signal to the first chain and the third phase converter.
According to claim 2,
The communication circuit
A communication circuit in which calibration of the first phase shifter and/or the second phase shifter is performed based on a second signal transmitted through the first path and a third signal transmitted through the second path.
According to claim 3,
Calibration of the first phase shifter and/or the second phase shifter
and determining a difference between an amount of phase change assigned to the first phase changer and/or the second phase changer and an actual amount of change of phase.
According to claim 3,
The second splitter is
A communication circuit that couples the second signal and the third signal.
According to claim 1,
The first phase shifter and/or the second phase shifter
A communication circuit supporting a bypass mode in which a signal does not pass through a component for changing the phase of the signal.
According to claim 1,
The third phase shifter
A communication circuit having a resolution higher than that of the first phase shifter and/or the second phase shifter.
According to claim 1,
The communication circuit
a first switch controlling a connection between the first splitter and the third phase shifter; and
and a second switch controlling a connection between the second splitter and the third phase converter.
In electronic devices,
antenna;
communication circuit; and
a communication processor;
The communication circuit
a first chain connected to the antenna and including a first phase shifter;
a second chain connected to the antenna and including a second phase shifter;
a first splitter connected to the first chain;
a second splitter connected to the second chain;
A third phase converter electrically connected between the first splitter and the second splitter,
The communication processor
inputting a first signal through an input port of the communication circuit;
A second signal received through a first path including the first chain, the antenna, and the second chain is transmitted through a second path including the first splitter, the third phase shifter, and the second splitter A third signal that is configured to perform calibration of the first phase shifter and/or the second phase shifter based on the output signal combined by the second splitter.
According to claim 9,
Calibration of the first phase shifter and/or the second phase shifter
and checking a difference between an amount of phase change assigned to the first phase changer and/or the second phase changer and an actual amount of change of phase.
According to claim 9,
The communication processor
Controlling the third phase shifter to change the phase of the second signal in a state in which the first phase shifter is set to a bypass mode;
A phase change amount of the third phase converter corresponding to a state in which the intensity of the output signal is a maximum value is set as a reference change amount;
An electronic device configured to perform the calibration based on the reference change amount.
According to claim 11,
The standard change amount is
The electronic device is the amount of phase change corresponding to the delay time by the first chain and the second chain.
According to claim 11,
The communication processor
Controlling the third phase shifter to change the phase of the second signal in a state in which the first phase shifter is set to change the phase of the first signal by a specified magnitude;
Checking the amount of phase change of the third phase converter corresponding to the maximum value of the intensity of the output signal;
An electronic device configured to check an actual phase change amount of a signal by the first phase changer based on a difference between the confirmed phase change amount and the reference change amount.
According to claim 13,
The communication processor
An electronic device configured to store, in a memory, mapping data obtained by mapping an actual amount of phase change of a signal by the first phase changer mapped to identification information of a signal changing a phase of the specified magnitude.
According to claim 14,
The communication processor
An electronic device that controls the first phase shifter based on the mapping data to output a signal in a designated direction.
In the method of operating an electronic device,
inputting the first signal through the input port of the communication circuit;
A second signal received through a first path including a first chain including a first phase shifter, a second chain including an antenna and a second phase shifter, and a first splitter of the communication circuit, a third phase shifter, and checking whether the intensity of an output signal combined with a third signal received through a second path including a second splitter satisfies a specified condition;
Operation of the electronic device including performing calibration of the first phase shifter and/or the second phase shifter based on the amount of phase change of the third phase shifter corresponding to the strength of the output signal satisfying the specified condition method.
According to claim 16,
The operation of performing calibration of the first phase shifter and/or the second phase shifter
and checking a difference between an amount of phase change assigned to the first phase changer and/or the second phase changer and an actual amount of change of phase.
According to claim 16,
The operation of performing the calibration is
controlling the third phase shifter to change the phase of the second signal in a state where the first phase shifter is set to a bypass mode;
setting a first phase change amount of the third phase converter corresponding to a state in which the intensity of the output signal is a maximum value as a reference change amount;
and performing the calibration based on the reference change amount.
According to claim 18,
The operation of performing the calibration is
controlling the third phase shifter to change the phase of the second signal in a state where the first phase shifter is set to change the phase of the first signal by a specified magnitude;
checking an amount of phase change of the third phase converter corresponding to a maximum value of the intensity of the output signal;
The method of operating the electronic device further comprising an operation of confirming an actual phase change amount of the signal by the first phase changer based on the difference between the checked amount of phase change and the reference change amount.
According to claim 19,
A method of operating the electronic device
storing, in a memory, data obtained by mapping the actual amount of phase change to identification information of the signal changing the phase of the specified magnitude;
Further comprising controlling the first phase changer based on the mapping data to output a signal in a designated direction;
The mapped data is
Identification information of a first signal corresponding to the first chain and an actual phase change amount of the first chain are mapped, and identification information of a second signal corresponding to the second chain and an actual phase change amount of the second chain are mapped. A method of operating an electronic device to be.
According to claim 16,
A method of operating the electronic device
The method of operating an electronic device further comprising storing in a memory data obtained by mapping identification information of a signal whose phase changes with a specified magnitude and an actual phase change amount of the signal by the third phase converter.

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