KR20240043020A - Method for controlling setting of antenna in electronic device comprising plurality of antennas and electronic device supporting the same - Google Patents

Abstract

According to one embodiment, an electronic device includes: a plurality of antennas; at least one antenna tuning circuit connected to at least one antenna among the plurality of antennas; an RF circuit connected to the at least one antenna tuning circuit; and at least one communication processor operatively connected to the RF circuit, wherein the at least one communication processor measures a change in impedance of at least one antenna connected to the antenna tuning circuit, and determines a change in impedance based on the measured change in impedance. Thus, one tune code scenario is determined among a plurality of predetermined tune code scenarios, the maximum transmission power of the at least one antenna corresponding to the determined tune code scenario is confirmed, and the transmission power is less than or equal to the maximum transmission power. An electronic device may be provided, configured to determine and control the RF circuit so that an RF signal of the determined transmission power is applied. Various other embodiments are possible.

Description

Method for controlling antenna settings in an electronic device including a plurality of antennas and an electronic device supporting the same {METHOD FOR CONTROLLING SETTING OF ANTENNA IN ELECTRONIC DEVICE COMPRISING PLURALITY OF ANTENNAS AND ELECTRONIC DEVICE SUPPORTING THE SAME}

This disclosure relates to a method of controlling antenna settings in an electronic device including a plurality of antennas and an electronic device supporting the same.

As the use of portable terminals that provide various functions has become widespread due to recent developments in mobile communication technology, efforts are being made to develop a 5G communication system to meet the increasing demand for wireless data traffic. In order to achieve a high data transmission rate, the 5G communication system uses a higher frequency band (e.g. For example, implementation in the 25 to 60 GHz band) is being considered.

For example, in order to mitigate the path loss of radio waves and increase the transmission distance of radio waves in the mmWave band, beamforming, massive array multiple input/output (massive MIMO), and full dimensional MIMO (full dimensional MIMO) are used in the 5G communication system. FD-MIMO), array antenna, analog beam-forming, and large scale antenna technologies are being discussed.

In order to transmit a signal from an electronic device to a communication network (e.g., a base station), within the electronic device, data generated from a processor or communication processor is signal processed through a radio frequency integrated circuit (RFIC) and a radio frequency front end (RFFE) circuit. After that, it can be transmitted to the outside of the electronic device through at least one antenna.

According to an embodiment of the present disclosure, an electronic device includes a plurality of antennas, at least one antenna tuning circuit connected to at least one antenna of the plurality of antennas, an RF circuit connected to the at least one antenna tuning circuit, and It may be configured to include at least one communication processor operatively connected to the RF circuit. The at least one communication processor may be configured to measure a change in impedance of at least one antenna connected to the antenna tuning circuit. The at least one communication processor may be set to determine one tune code scenario among a plurality of predetermined tune code scenarios based on the measured impedance change. The at least one communication processor may be configured to check the maximum transmission power of the at least one antenna corresponding to the determined tune code scenario. The at least one communication processor may be configured to determine a transmission power below the maximum transmission power and control the RF circuit so that an RF signal of the determined transmission power is applied.

According to an embodiment of the present disclosure, a method of controlling antenna settings in an electronic device including a plurality of antennas may include measuring a change in impedance of at least one antenna connected to an antenna tuning circuit. The method may include determining one tune code scenario among a plurality of predetermined tune code scenarios based on the measured impedance change. The method may include confirming the maximum transmission power of the at least one antenna corresponding to the determined tune code scenario. The method may include determining a transmission power below the maximum transmission power and controlling the RF circuit to apply an RF signal of the determined transmission power.

According to an embodiment of the present disclosure, in a non-transitory storage medium storing instructions, the instructions may be set to cause the electronic device to perform at least one operation when executed by at least one circuit of the electronic device. there is. The at least one operation may include measuring a change in impedance of at least one antenna connected to the antenna tuning circuit. The at least one operation may include determining one tune code scenario among a plurality of predetermined tune code scenarios based on the measured impedance change. The at least one operation may include checking the maximum transmission power of the at least one antenna corresponding to the determined tune code scenario. The at least one operation may include determining a transmission power below the maximum transmission power and controlling the RF circuit to apply an RF signal of the determined transmission power.

The means for solving the problem according to an embodiment of the present disclosure are not limited to the above-mentioned solution means, and the solution methods not mentioned may be used by those skilled in the art from the present specification and the attached drawings. You will be able to understand it clearly.

1 is a block diagram of an electronic device in a network environment, according to an embodiment of the present disclosure.
FIG. 2A is a block diagram of an electronic device for supporting legacy network communication and 5G network communication according to an embodiment of the present disclosure.
FIG. 2B is a block diagram of an electronic device for supporting legacy network communication and 5G network communication according to an embodiment of the present disclosure.
Figure 3 is a block diagram of an electronic device according to an embodiment of the present disclosure.
FIG. 4A is a diagram illustrating an antenna tuning circuit according to an embodiment of the present disclosure.
FIG. 4B is a diagram illustrating an antenna tuning circuit according to an embodiment of the present disclosure.
FIG. 5 is a flowchart illustrating a method of controlling settings of an antenna of an electronic device, according to an embodiment of the present disclosure.
FIG. 6 is a diagram illustrating a Smith chart representing the impedance of an antenna according to an embodiment of the present disclosure.
FIG. 7 is a flowchart illustrating a method of determining the transmission power of an antenna of an electronic device, according to an embodiment of the present disclosure.
FIG. 8 is a flowchart illustrating a method of determining the transmission power of an antenna of an electronic device, according to an embodiment of the present disclosure.

FIG. 1 is a block diagram of an electronic device 101 in a network environment 100 according to an embodiment of the present disclosure.

Referring to FIG. 1, in the network environment 100, the electronic device 101 communicates with the electronic device 102 through a first network 198 (e.g., a short-range wireless communication network) or a second network 199. It is possible to communicate with at least one of the electronic device 104 or the server 108 through (e.g., 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 one 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, and a sensor module ( 176), interface 177, connection terminal 178, haptic module 179, camera module 180, power management module 188, battery 189, communication module 190, subscriber identification module 196 , or may include an antenna module 197. In some embodiments, at least one of these components (eg, the connection terminal 178) may be omitted, or one or more other components may be added to the electronic device 101. In some embodiments, some of these components (e.g., sensor module 176, camera module 180, or antenna module 197) are integrated into one component (e.g., display module 160). It can be.

The processor 120, for example, executes software (e.g., program 140) to operate at least one other component (e.g., hardware or software component) of the electronic device 101 connected to the processor 120. It can be controlled and various data processing or calculations can be performed. According to one embodiment, as at least part of data processing or computation, the processor 120 stores instructions or data received from another component (e.g., sensor module 176 or communication module 190) in volatile memory 132. The commands or data stored in the volatile memory 132 can be processed, and the resulting data can be stored in the non-volatile memory 134. According to one embodiment, the processor 120 includes the main processor 121 (e.g., a central processing unit or an application processor) or an auxiliary processor 123 that can operate independently or together (e.g., a graphics processing unit, a neural network processing unit ( It may include a neural processing unit (NPU), an image signal processor, a sensor hub processor, or a communication processor). For example, if the electronic device 101 includes a main processor 121 and a secondary processor 123, the secondary processor 123 may be set to use lower power than the main processor 121 or be specialized for a designated function. You can. The auxiliary processor 123 may be implemented separately from the main processor 121 or as part of it.

The auxiliary processor 123 may, for example, act on behalf of the main processor 121 while the main processor 121 is in an inactive (e.g., sleep) state, or while the main processor 121 is in an active (e.g., application execution) state. ), together with the main processor 121, at least one of the components of the electronic device 101 (e.g., the display module 160, the sensor module 176, or the communication module 190) At least some of the functions or states related to can be controlled. According to one embodiment, co-processor 123 (e.g., image signal processor or communication processor) may be implemented as part of another functionally related component (e.g., camera module 180 or communication module 190). there is. According to one embodiment, the auxiliary processor 123 (eg, neural network processing device) may include a hardware structure specialized for processing artificial intelligence models. Artificial intelligence models can be created through machine learning. For example, such learning may be performed in the electronic device 101 itself on which the artificial intelligence model is performed, or may be performed through a separate server (e.g., server 108). Learning algorithms may include, for example, supervised learning, unsupervised learning, semi-supervised learning, or reinforcement learning, but It is not limited. An artificial intelligence model may include multiple artificial neural network layers. Artificial neural networks include deep neural network (DNN), convolutional neural network (CNN), recurrent neural network (RNN), restricted boltzmann machine (RBM), belief deep network (DBN), bidirectional recurrent deep neural network (BRDNN), It may be one of deep Q-networks or a combination of two or more of the above, but is not limited to the examples described above. In addition to hardware structures, artificial intelligence models may additionally or alternatively include software 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. Data may include, for example, input data or output data for software (e.g., program 140) and instructions related thereto. 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 application 146.

The input module 150 may receive commands or data to be used in a component of the electronic device 101 (e.g., the processor 120) from outside the electronic device 101 (e.g., a user). The input module 150 may include, for example, a microphone, mouse, keyboard, keys (eg, buttons), or digital pen (eg, 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. Speakers can be used for general purposes such as multimedia playback or recording playback. The receiver can be used to receive incoming calls. According to one embodiment, the receiver may be implemented separately from the speaker or as part of it.

The display module 160 can 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 configured to detect a touch, or a pressure sensor configured to measure the intensity of force generated by the touch.

The audio module 170 can convert sound into an electrical signal or, conversely, convert an electrical signal into sound. 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 (e.g., directly or wirelessly connected to the electronic device 101). Sound may be output through the electronic device 102 (e.g., speaker or headphone).

The sensor module 176 detects the operating state (e.g., power or temperature) of the electronic device 101 or the external environmental state (e.g., 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 includes, 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 biometric sensor, It may include a temperature sensor, humidity sensor, or light sensor.

The interface 177 may support one or more designated protocols that can be used to connect the electronic device 101 directly or wirelessly with 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 can 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 can convert electrical signals into mechanical stimulation (e.g., vibration or movement) or electrical stimulation that the user can 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 can 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 can manage power supplied to the electronic device 101. According to one embodiment, the power management module 188 may be implemented as at least a part of, for example, a power management integrated circuit (PMIC).

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

Communication module 190 is configured to provide a direct (e.g., wired) communication channel or wireless communication channel between electronic device 101 and an external electronic device (e.g., electronic device 102, electronic device 104, or server 108). It can support establishment and communication through established communication channels. Communication module 190 operates independently of processor 120 (e.g., an application processor) and may include one or more communication processors that support direct (e.g., wired) communication or wireless communication. According to one embodiment, the communication module 190 may be a wireless communication module 192 (e.g., 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 (e.g., : LAN (local area network) communication module, or power line communication module) may be included. Among these communication modules, the corresponding communication module is a first network 198 (e.g., a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)) or a second network 199 (e.g., legacy It may communicate with an external electronic device 104 through a telecommunication network such as a cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (e.g., LAN or WAN). These various types of communication modules may be integrated into one component (e.g., a single chip) or may be implemented as a plurality of separate components (e.g., multiple chips). The wireless communication module 192 uses subscriber information (e.g., 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 can be confirmed or authenticated.

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

The antenna module 197 may transmit or receive signals or power to or from the outside (eg, an external electronic device). According to one embodiment, the antenna module 197 may include an antenna including a radiator made 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 connected to the plurality of antennas by, for example, the communication module 190. can be selected. Signals or power may be transmitted or received between the communication module 190 and an external electronic device through the at least one selected antenna. According to some embodiments, in addition to the radiator, other components (eg, radio frequency integrated circuit (RFIC)) may be additionally formed as part of the antenna module 197.

According to one embodiment, the antenna module 197 may form a mmWave antenna module. According to one embodiment, a mmWave antenna module includes: a printed circuit board, an RFIC disposed on or adjacent to a first side (e.g., bottom side) of the printed circuit board and capable of supporting a designated high frequency band (e.g., mmWave band); And a plurality of antennas (e.g., array antennas) disposed on or adjacent to the second side (e.g., top or side) of the printed circuit board and capable of transmitting or receiving signals in 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 (e.g., 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 one 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 of the same or different type as the electronic device 101. According to one embodiment, all or part of the operations performed in the electronic device 101 may be executed in one or more of 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 may perform the function or service instead of executing the function or service on its own. Alternatively, or additionally, one or more external electronic devices may be requested to perform at least part of the function or service. One or more external electronic devices that have received the request may execute at least part of the requested function or service, or an additional function or service related to the request, and transmit the result of the execution to the electronic device 101. The electronic device 101 may process the result as is or additionally and provide it as at least part of a response to the request. For this purpose, for example, cloud computing, distributed computing, mobile edge computing (MEC), or client-server computing technology can 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 (e.g., smart home, smart city, smart car, or healthcare) based on 5G communication technology and IoT-related technology.

FIG. 2A is a block diagram of an electronic device for supporting legacy network communication and 5G network communication according to an embodiment of the present disclosure.

FIG. 2B is a block diagram of an electronic device for supporting legacy network communication and 5G network communication according to an embodiment of the present disclosure.

FIG. 2A is a block diagram 200 of an electronic device 101 for supporting legacy network communication and 5G network communication, according to an embodiment of the present disclosure. Referring to FIG. 2A, the electronic device 101 includes a first communication processor 212, a second communication processor 214, a first radio frequency integrated circuit (RFIC) 222, a second RFIC 224, and a third RFIC (226), fourth RFIC (228), first radio frequency front end (RFFE) (232), second RFFE (234), first antenna module (242), second antenna module (244), third It may include an antenna module 246 and antennas 248. The electronic device 101 may further include a processor 120 and a memory 130. The second network 199 may include a first cellular network 292 and a second cellular network 294. According to one embodiment, the electronic device 101 may further include at least one of the components shown in FIG. 1, and the second network 199 may further include at least one other network. According to one embodiment, the first communication processor 212, the second communication processor 214, the first RFIC 222, the second RFIC 224, the fourth RFIC 228, the first RFFE 232, and second RFFE 234 may form at least a portion of wireless communication module 192. According to one embodiment, the fourth RFIC 228 may be omitted or may be included as part of the third RFIC 226.

The first communication processor 212 may support establishment of a communication channel in a band to be used for wireless communication with the first cellular network 292, and legacy network communication through the established communication channel. According to one embodiment, the first cellular network may be a legacy network including a second generation (2G), 3G, 4G, or long term evolution (LTE) network. The second communication processor 214 establishes a communication channel corresponding to a designated band (e.g., about 6 GHz to about 60 GHz) among the bands to be used for wireless communication with the second cellular network 294, and establishes a 5G network through the established communication channel. Can support communication. According to one embodiment, the second cellular network 294 may be a 5G network defined by 3GPP. According to one embodiment, in addition, the first communication processor 212 or the second communication processor 214 corresponds to another designated band (e.g., about 6 GHz or less) among the bands to be used for wireless communication with the second cellular network 294. It can support the establishment of a communication channel and 5G network communication through the established communication channel.

The first communication processor 212 can transmit and receive data with the second communication processor 214. For example, data that was classified as being transmitted over the second cellular network 294 may be changed to being transmitted over the first cellular network 292. In this case, the first communication processor 212 may receive transmission data from the second communication processor 214. For example, the first communication processor 212 may transmit and receive data with the second communication processor 214 through the inter-processor interface 213. The inter-processor interface 213 may be implemented, for example, as a universal asynchronous receiver/transmitter (UART) (e.g., high speed-UART (HS-UART) or peripheral component interconnect bus express (PCIe) interface, but the type There is no limitation. Alternatively, the first communication processor 212 and the second communication processor 214 may exchange control information and packet data information using, for example, shared memory. The communication processor 212 may transmit and receive various information such as sensing information, information on output intensity, and resource block (RB) allocation information with the second communication processor 214.

Depending on implementation, the first communication processor 212 may not be directly connected to the second communication processor 214. The first communication processor 212 may transmit and receive data through the second communication processor 214 and the processor 120 (eg, application processor). For example, the first communication processor 212 and the second communication processor 214 may transmit and receive data with the processor 120 (e.g., application processor) through an HS-UART interface or a PCIe interface, but the interface's There is no limit to the type. Alternatively, the first communication processor 212 and the second communication processor 214 may exchange control information and packet data information using the processor 120 (e.g., application processor) and shared memory. .

According to one embodiment, the first communication processor 212 and the second communication processor 214 may be implemented in a single chip or a single package. According to one embodiment, the first communication processor 212 or the second communication processor 214 may be formed in a single chip or a single package with the processor 120, the auxiliary processor 123, or the communication module 190. . For example, as shown in FIG. 2B, the integrated communications processor 260 may support both functions for communication with the first cellular network 292 and the second cellular network 294.

When transmitting, the first RFIC 222 converts the baseband signal generated by the first communications processor 212 to a frequency range from about 700 MHz to about 700 MHz used in the first cellular network 292 (e.g., a legacy network). It can be converted to a radio frequency (RF) signal of 3GHz. Upon reception, an RF signal is obtained from a first network 292 (e.g., a legacy network) via an antenna (e.g., first antenna module 242) and transmitted via an RFFE (e.g., first RFFE 232). Can be preprocessed. The first RFIC 222 may convert the pre-processed RF signal into a baseband signal to be processed by the first communication processor 212.

When transmitting, the second RFIC 224 uses the first communications processor 212 or the baseband signal generated by the second communications processor 214 to a second cellular network 294 (e.g., a 5G network). It can be converted into an RF signal (hereinafter referred to as a 5G Sub6 RF signal) in the Sub6 band (e.g., approximately 6 GHz or less). Upon reception, the 5G Sub6 RF signal is obtained from the second cellular network 294 (e.g., 5G network) via an antenna (e.g., second antenna module 244) and RFFE (e.g., second RFFE 234) ) can be preprocessed. The second RFIC 224 may convert the preprocessed 5G Sub6 RF signal into a baseband signal so that it can be processed by a corresponding communication processor of the first communication processor 212 or the second communication processor 214.

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

According to one embodiment, the electronic device 101 may include a fourth RFIC 228 separately from the third RFIC 226 or at least as a part thereof. In this case, the fourth RFIC 228 converts the baseband signal generated by the second communication processor 214 into an RF signal (hereinafter referred to as an IF signal) in an intermediate frequency band (e.g., about 9 GHz to about 11 GHz). After conversion, the IF signal can be transmitted to the third RFIC (226). The third RFIC 226 can convert the IF signal into a 5G Above6 RF signal. Upon reception, a 5G Above6 RF signal may be received from a second cellular network 294 (e.g., a 5G network) via an antenna (e.g., antenna 248) and converted into an IF signal by a third RFIC 226. there is. 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 one embodiment, 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, when the first RFIC 222 and the second RFIC 224 in FIG. 2A or 2B are implemented as a single chip or a single package, they may be implemented as an integrated RFIC. In this case, the integrated RFIC is connected to the first RFFE (232) and the second RFFE (234) to convert the baseband signal into a signal in a band supported by the first RFFE (232) and/or the second RFFE (234). And, the converted signal can be transmitted to one of the first RFFE (232) and the second RFFE (234). According to one embodiment, the first RFFE 232 and the second RFFE 234 may be implemented as at least part of a single chip or 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 the processor 120 may be disposed on the first substrate (eg, main PCB). In this case, the third RFIC 226 is located in some area (e.g., bottom surface) of the second substrate (e.g., sub PCB) separate from the first substrate, and the antenna 248 is located in another part (e.g., top surface). is disposed, so that the third antenna module 246 can be formed. By placing 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 the loss (e.g. attenuation) of signals in the high frequency band (e.g., about 6 GHz to about 60 GHz) used in 5G network communication by transmission lines. Because of this, 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 as an antenna array including a plurality of antenna elements that can be used for beamforming. In this case, the third RFIC 226, for example, as part of the third RFFE 236, may include a plurality of phase shifters 238 corresponding to a plurality of antenna elements. At the time of transmission, each of the plurality of phase converters 238 may convert the phase of the 5G Above6 RF signal to be transmitted to the outside of the electronic device 101 (e.g., a base station of a 5G network) through the corresponding antenna element. . Upon 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 cellular network 294 (e.g., 5G network) may operate independently (e.g., Stand-Alone (SA)) or connected to the first cellular network 292 (e.g., legacy network) ( Example: Non-Stand Alone (NSA). For example, a 5G network may have only an access network (e.g., 5G radio access network (RAN) or next generation RAN (NG RAN)) and no core network (e.g., next generation core (NGC)). In this case, the electronic device 101 may access the access network of the 5G network and then access an external network (eg, the Internet) under the control of the core network (eg, evolved packed core (EPC)) of the legacy network. Protocol information for communication with a legacy network (e.g., LTE protocol information) or protocol information for communication with a 5G network (e.g., New Radio (NR) protocol information) is stored in the memory 230 and stored in the memory 230, 120, first communication processor 212, or second communication processor 214).

Hereinafter, the structure and operation of the electronic device 101 according to an embodiment will be described with reference to FIGS. 3, 4A, and 4B. In each drawing of the embodiment described later, one communication processor 260 and one RFIC 410 are shown as connected to a plurality of RFFEs 431, 432, 433, 611 to 640, but the embodiment described later is It is not limited to this. For example, in the embodiment described later, as shown in FIG. 2A or 2B, a plurality of communication processors 212 and 214 and/or a plurality of RFICs 222, 224, 226 and 228 are configured to use a plurality of RFFEs. It may also be connected to (431, 432, 433, 611 to 640).

Figure 3 is a block diagram of an electronic device according to an embodiment of the present disclosure.

According to one embodiment, Figure 3 shows an embodiment of an electronic device 101 including two antennas 341 and 342. FIG. 3 exemplarily illustrates an electronic device including two antennas, but according to one embodiment, the electronic device 101 may include three or more antennas. For example, when the electronic device 101 operates in MIMO, a signal transmitted from a base station based on the MIMO can be received through the plurality of antennas (eg, two or more antennas).

Referring to FIG. 3, an electronic device (e.g., electronic device 101 of FIG. 1) according to an embodiment includes a processor 120, a communication processor 260, an RFIC 310, a first RFFE 331, and a first RFFE 331. 2 RFEE 332, a first antenna 341, a second antenna 342, a first antenna tuning circuit 341a, or a second antenna tuning circuit 342a. In one embodiment, the first RFFE 331 may be disposed in one region within the housing of the electronic device 101, and the second RFFE 332 may be disposed in the region within the housing of the electronic device 101. It may be placed in another area spaced apart from the above, but the embodiment is not limited to the above arrangement location.

According to one embodiment, RFIC 310 may, when transmitting, convert a baseband signal generated by communications processor 260 into a radio frequency (RF) signal for use in a communications network. For example, the RFIC 310 transmits RF signals used in a first communication network (e.g., 5G network) or a second communication network (e.g., LTE network) to the first RFFE 331 and the first antenna tuning circuit 341a. It can be transmitted to the first antenna 341 through . The RFIC 310 transmits RF signals used in a first communication network (e.g., 5G network) or a second communication network (e.g., LTE network) through the second RFFE 332 and the second antenna tuning circuit 342a. It can be transmitted to the second antenna 342.

According to one embodiment, a first antenna tuning circuit 341a may be electrically connected to the first antenna 341, and a second antenna tuning circuit 342a may be electrically connected to the second antenna 342. . In one embodiment, the communication processor 260 adjusts the setting value of the first antenna tuning circuit 341a and the setting value of the second antenna tuning circuit 341a, thereby adjusting the setting value of the signal transmitted through each connected antenna (e.g. For example, the characteristics of the transmitted signal (Tx)) and the received signal (for example, the received signal (Rx)) may be adjusted (eg, tuned). Detailed embodiments of this will be described later with reference to FIGS. 4A and 4B.

According to one embodiment, the first antenna 341 may be set as a first receiving antenna (Rx antenna), and the second antenna 342 may be set as a second receiving antenna (Rx antenna). The electronic device 101 may receive and decode a signal transmitted from a base station through the first antenna 341 and/or the second antenna 342. For example, the signal received through the first antenna 341 may be transmitted as a first Rx signal to the communication processor 260 through the first antenna tuning circuit 341a, the first RFFE 331, and the RFIC 310. there is. As another example, the signal received through the second antenna 342 is a second Rx signal and is transmitted to the communication processor 260 through the second antenna tuning circuit 342a, the second RFFE 332, and the RFIC 310. It can be.

According to one embodiment, the first RFFE 331 includes at least one duplexer or at least one diplexer to process the transmitted signal (Tx) and the received signal (Rx) together. can do. As another example, the second RFFE 332 may include at least one duplexer or at least one diplexer to process the transmitted signal (Tx) and the received signal (Rx) together. there is.

FIG. 4A is a diagram illustrating an antenna tuning circuit 400 according to an embodiment of the present disclosure.

FIG. 4B is a diagram illustrating an antenna tuning circuit 400 according to an embodiment of the present disclosure.

According to one embodiment, when the electronic device 101 operates in MIMO, the electronic device 101 may receive a rank for operating in MIMO from a base station. The electronic device 101 may receive a signal transmitted based on the MIMO from the base station through the first antenna 341 and the second antenna 342. For convenience of explanation, the signal received through the first antenna 341 may be referred to as a first signal, and the signal received through the second antenna 442 may be referred to as a second signal.

4A and 4B are diagrams explaining antenna tuning circuits according to an embodiment.

Referring to FIG. 4A, the antenna tuning circuit 400 (e.g., the first antenna tuning circuit 341a or the second antenna tuning circuit 342a in FIG. 3) according to an embodiment includes at least one impedance tuning circuit. 410 and/or may include at least one aperture tuning circuit 420. The second antenna tuning circuit 342a may be implemented in the same way as the first antenna tuning circuit 341a, but may also be implemented differently. The impedance tuning circuit 410 according to one embodiment is configured to communicate with the network under the control of at least one processor (e.g., processor 120, communications processors 212, 214, and/or integrated communications processor 260). It can be set to perform impedance matching. The aperture tuning circuit 420 according to one embodiment may change the structure of the antenna by turning a switch on/off under the control of at least one processor.

As shown in FIG. 4B, according to one embodiment, the impedance tuning circuit 410 may be connected to an RFFE (e.g., the first RFFE 331 and the second RFFE 332 in FIG. 4) and a duplexer of the RFFE. ) can be connected to. The impedance tuning circuit 410 may be connected to the antenna 430, and the power rail connecting the impedance tuning circuit 410 and the antenna 430 includes a first aperture tuning circuit (not shown) and a second aperture tuning. A circuit (not shown) may be connected.

According to one embodiment, the electronic device 101 (e.g., communication processor 260) determines the strength (e.g., reference signal received power (RSRP), signal to noise ratio (SNR)) or imbalance of the received signal. The setting value of the antenna tuning circuit 400 can be changed depending on whether or not it occurs. In one embodiment, the electronic device 101 operates the antenna tuning circuit 400 (e.g., the impedance tuning circuit 410 and/or the aperture tuning circuit) as described above according to a change in the setting value of the antenna tuning circuit 400. The on/off state of the switch included in (420)) can be controlled to change.

According to one embodiment, in FIG. 4B, one impedance tuning circuit 410 and one aperture tuning circuit 420 are shown connected to one antenna, but the impedance tuning circuit (420) is connected to one antenna. 410) or one of the aperture tuning circuits 420 may be omitted, or a plurality of impedance tuning circuits 410 or a plurality of aperture tuning circuits 420 may be included.

FIG. 5 is a flowchart 500 illustrating a method of controlling antenna settings of an electronic device (e.g., the electronic device 101 of FIG. 1) according to an embodiment of the present disclosure.

Referring to FIG. 5 , in operation 501, in one embodiment, the electronic device 101 may obtain (or measure) a change in impedance of an antenna.

In one embodiment, an electronic device (e.g., electronic device 101 of FIG. 1) (e.g., first communication processor 212 of FIG. 2A, second communication processor 214 of FIG. 2A, integrated communications processor of FIG. 2B) 260, or the communication processor 260 of FIG. 3), an antenna tuning circuit (e.g., the first antenna tuning circuit 341a of FIG. 3, the second antenna tuning circuit 342a, or the antenna tuning circuit of FIG. 4A) A change in impedance of an antenna (e.g., the first antenna 341a or the second antenna 342a of FIG. 3) connected to (400)) may be measured. For example, the electronic device 101 can monitor whether imbalance occurs in the antenna at a period of several hundred milliseconds (ms) using a mismatch sensor (not shown) electrically connected to the antenna. there is. In one embodiment, the impedance of the antenna may change due to the user's grip on the electronic device 101. In one embodiment, a situation in which the antenna's signal transmission and reception performance is degraded due to the user's grip may be referred to as a “hand-effect” or “finger-effect.” In one embodiment, the electronic device 101 reduces mismatch loss inside the antenna by controlling a plurality of switches included in the impedance tuning circuit (e.g., the impedance tuning circuit 410 of FIG. 4A). You can do it. The electronic device 101 may improve the total radiated power (TRP) of the antenna based on impedance matching of the antenna tuning circuit 400. In one embodiment, a method of performing impedance matching based on impedance monitoring of the antenna may be referred to as “closed loop antenna tuning.”

At operation 503, in one embodiment, the electronic device 101 may determine a tune code scenario based on the impedance change.

In one embodiment, the electronic device 101 may determine one tune code scenario among a plurality of predetermined tune code scenarios based on the measured impedance change. In one embodiment, the tune code scenario may include a tune code for impedance matching of the antenna and ground logic for controlling an antenna beam radiated by the antenna. In one embodiment, the electronic device 101 configures the RF circuit (e.g., the first circuit in FIG. 3 ) so that the impedance tuning circuit 410 performs impedance matching of the antenna based on the tune code corresponding to the determined tune code scenario. The RFFE (331) or the second RFFE (332) can be controlled. The electronic device 101 may control the RF circuit so that a plurality of ground switches (not shown) electrically connected to the antenna change the operating state based on ground logic corresponding to the determined tune code scenario. The electronic device 101 can control the antenna beam radiated by the antenna by changing the operating state of the ground switches. In one embodiment, the specific absorption rate (SAR) value may vary depending on the shape of the antenna beam.

In one embodiment, referring to Table 1, the electronic device 101 may pre-store a look-up table related to the maximum transmission power (P _limit ) of the antenna corresponding to each of the plurality of tune code scenarios. You can. In one embodiment, the electronic device 101 may previously store a lookup table related to the maximum transmission power corresponding to the tune code scenario for each frequency band. Referring to Table 1, X-GND may be a value indicating the operating status of a plurality of ground switches. TRP (GRIP) may be the gain of the antenna under grip conditions for the electronic device 101 when the maximum transmit power of the antenna is 20 dBm. In one embodiment, the grip condition is when the grip sensor (e.g., sensor module 176 in FIG. 1) is turned on and the impedance change of the antenna corresponds to the impedance change of the pre-stored grip condition. It can be. TRP (Table) may be the gain of the antenna under table conditions when the maximum transmit power of the antenna is 20 dBm. In one embodiment, an event related to the electronic device 101 may further include an earjack condition or a receiver condition. In one embodiment, the table condition is when the grip sensor is turned on and the impedance change of the antenna does not correspond to the grip condition for the electronic device 101, such as a condition in which the electronic device 101 is placed on a table. It can be. The values disclosed in Table 1 may be changed in various ways according to embodiments of the present disclosure, and are not limited to what is disclosed in Table 1. In one embodiment, each maximum transmit power may be predetermined based on the SAR value corresponding to each tune code scenario. For example, the maximum transmission power of the antenna may be set to be predetermined according to the SAR value measured based on the antenna beam radiated from the antenna, corresponding to each of the plurality of tune code scenarios. SAR may be time average sar (TAS) or instantaneous SAR, measured at a distance of 5 millimeters (mm). For example, electronic device 101 determines tune code scenario number 1 or tune code scenario number 11 based on measuring the impedance change corresponding to the grip condition for electronic device 101, thereby setting the TRP value to 15. Can be printed. The electronic device 101 may output a TRP value of 15 by determining the 10th tune code scenario based on measuring the impedance change corresponding to the grip condition for the electronic device 101.

In operation 505, in one embodiment, the electronic device 101 may check the maximum transmit power of the antenna corresponding to the tune code scenario.

In one embodiment, the electronic device 101 may check the maximum transmission power of the antenna corresponding to the determined tune code scenario based on the lookup table. For example, the electronic device 101 may determine that the maximum transmit power of the antenna is 20 dBm based on determining the 1st tune code scenario in the grip condition. The electronic device 101 may determine that the maximum transmit power of the antenna is 21 dBm, based on determining the 11th tune code scenario in the grip condition. The electronic device 101 does not fix the maximum transmission power of the antenna at 20 dBm, which is the back-off power under grip conditions, but sets the transmission power of the antenna to a value exceeding 20 dBm based on the SAR value. The RF circuit can be controlled to have The electronic device 101 controls the maximum transmission power of the antenna to exceed the back-off power, in response to at least some tune code scenarios, so that the radiated antenna beam satisfies a preset reference SAR value. And the TRP of the antenna can be improved. The back-off power in the grip condition may vary depending on the communication environment and is not limited to the above-described example.

At operation 507, in one embodiment, the electronic device 101 may determine the transmit power of the antenna and control the RF circuit.

In one embodiment, the electronic device 101 may determine a transmission power below the confirmed maximum transmission power and control the RF circuit so that an RF signal of the determined transmission power is applied. The electronic device 101 may determine the transmit power of the antenna that exceeds the fixed back-off power based on the maximum transmit power predetermined corresponding to the tune code scenario. For example, if the maximum transmit power of the antenna is fixed at 20 dBm, the TRP of the antenna may indicate a performance of 15 dBm based on the 10th tune code scenario under table conditions. In one embodiment, referring to Table 1, the maximum transmit power of the antenna corresponding to the tune code scenario 9 may be predetermined to be 23 dBm, based on an SAR value of 0.4. The electronic device 101 may improve the TRP value of the antenna to 18 dBm by determining the transmit power of the antenna based on the maximum transmit power of 23 dBm corresponding to the 9th tune code scenario under table conditions. The electronic device 101 can improve the throughput (TP) of the antenna by controlling the transmission power of the antenna according to the tune code scenario.

FIG. 6 is a diagram illustrating a Smith chart 600 showing the impedance of an antenna according to an embodiment of the present disclosure.

In one embodiment, the electronic device (e.g., the electronic device 101 of FIG. 1) performs impedance matching by determining one tune code among a plurality of preset tune codes based on a change in the impedance of the antenna. can do. The electronic device 101 may determine the operating state of a plurality of switches included in the impedance tuning circuit (e.g., the impedance tuning circuit 410 of FIG. 4) and/or the capacitance of the variable capacitor based on the determined tune code. . For example, referring to FIG. 6, the electronic device 101, under free space conditions, responds to any one tune code 611 among a plurality of tune codes included in the first area 610. Based on this, impedance matching can be performed. The electronic device 101 may perform impedance matching based on one tune code among a plurality of tune codes included in the second area 620 under a grip condition. The electronic device 101 may perform impedance matching based on one tune code among a plurality of tune codes included in the third area 630 under universal serial bus connect (USB) connection conditions. In one embodiment, the electronic device 101 may set the maximum transmission power of the antenna to exceed the back-off power for a plurality of tune codes included in an area other than the first area 610. The electronic device 101 can set the maximum transmission power of the antenna differently in response to the tune code, thereby ensuring that the antenna beam satisfies the preset SAR condition and improves the throughput of the antenna.

FIG. 7 is a flowchart 700 illustrating a method of determining the transmission power of an antenna of an electronic device (e.g., the electronic device 101 of FIG. 1) according to an embodiment of the present disclosure.

Referring to FIG. 7 , at operation 701, in one embodiment, an electronic device 101 (e.g., electronic device 101 of FIG. 1) (e.g., first communication processor 212 of FIG. 2A, first communication processor 212 of FIG. 2A) 2 The communication processor 214, the integrated communication processor 260 of FIG. 2B, or the communication processor 260 of FIG. 3) may obtain (or measure) a change in impedance of the antenna. Since operation 701 is at least partially the same or similar to operation 501, detailed description will be omitted.

At operation 703, in one embodiment, the electronic device 101 may determine a tune code scenario based on the impedance change. Since operation 703 is at least partially the same or similar to operation 503, detailed description will be omitted.

In operation 705, in one embodiment, the electronic device 101 may check whether the tune code is the first tune code.

In one embodiment, the electronic device 101 may check whether the tune code corresponding to the determined tune code scenario is tune code number 1. For example, referring back to Table 1, the electronic device 101 may confirm that, in the grip condition, the tune code corresponding to the tune code scenario No. 1 is the tune code No. 1. Referring to Table 1, the electronic device 101 can confirm that the tune code corresponding to the tune code scenario No. 7 is tune code No. 7.

In operation 707, in one embodiment, when the tune code corresponding to the determined tune code scenario is the first tune code, the electronic device 101 may determine a transmit power below the first maximum transmit power as the transmit power of the antenna. there is.

In one embodiment, referring back to Table 1, when the tune code corresponding to the determined tune code scenario No. 1 is tune code No. 1, the electronic device 101 uses a transmit power of 20 dBm or less as the transmit power of the antenna. You can decide. The first maximum transmission power of the antenna is not limited to what is disclosed in Table 1, and may be predetermined to have a value of any one of 18 dBm to 20 dBm.

In operation 709, in one embodiment, if the tune code corresponding to the determined tune code scenario is a second tune code, the electronic device 101 may determine a transmit power below the second maximum transmit power as the transmit power of the antenna. there is.

In one embodiment, the second maximum transmission power may be predetermined to have a value greater than the first maximum transmission power. For example, referring to Table 1, if the tune code corresponding to the determined tune code scenario No. 7 is tune code No. 7, the electronic device 101 may determine a transmit power of 21 dBm or less as the transmit power of the antenna. there is. The second maximum transmission power of the antenna is not limited to what is disclosed in Table 1, and may be predetermined to have any one of 21 dBm to 24 dBm. The electronic device 101 may determine a value below the maximum transmission power as the transmission power of the antenna, based on the maximum transmission power of the antenna, which is determined differently depending on the tune code, in the same frequency band. The electronic device 101 can satisfy the preset SAR standard and improve the throughput of the antenna without fixing the maximum transmission power of the antenna.

FIG. 8 is a flowchart 800 illustrating a method of determining the transmission power of an antenna of an electronic device (e.g., the electronic device 101 of FIG. 1) according to an embodiment of the present disclosure.

Referring to FIG. 8 , at operation 801, in one embodiment, an electronic device 101 (e.g., electronic device 101 of FIG. 1) (e.g., first communication processor 212 of FIG. 2A, first communication processor 212 of FIG. 2A) 2 The communication processor 214, the integrated communication processor 260 of FIG. 2B, or the communication processor 260 of FIG. 3) may obtain (or measure) a change in impedance of the antenna. Since operation 801 is at least partially the same or similar to operation 501, detailed description will be omitted.

At operation 803, in one embodiment, the electronic device 101 may determine a tune code scenario based on the impedance change. Since operation 803 is at least partially the same or similar to operation 503, detailed description will be omitted.

In operation 805, in one embodiment, the electronic device 101 may check whether the tune code and ground logic are the first tune code and the first logic.

In one embodiment, the electronic device 101 may check whether the tune code and ground logic values corresponding to the determined tune code scenario are tune code number 1 and 0, respectively. For example, referring back to Table 1, the electronic device 101 may determine that, in the grip condition, the tune code corresponding to the tune code scenario No. 1 is the tune code No. 1, and the value of the ground logic is 0. . Referring to Table 1, the electronic device 101 can confirm that the tune code corresponding to the tune code scenario No. 11 is the tune code No. 1, and the ground logic value is 8.

In operation 807, in one embodiment, when the tune code and the ground logic are the first tune code and the first logic, the electronic device 101 may determine a transmit power below the first maximum transmit power as the transmit power of the antenna. there is.

In one embodiment, referring to Table 1, the electronic device 101 transmits less than 20 dBm when the tune code corresponding to the determined tune code scenario No. 1 is tune code No. 1 and the value of the ground logic is 0. The power can be determined as the transmit power of the antenna. The first maximum transmission power of the antenna is not limited to what is disclosed in Table 1, and may be predetermined to have a value of any one of 18 dBm to 20 dBm.

In operation 809, in one embodiment, the electronic device 101 may determine a transmit power below the second maximum transmit power as the transmit power of the antenna when the tune code and the ground logic are the first tune code and the second logic. there is.

In one embodiment, the second maximum transmission power may be predetermined to have a value greater than the first maximum transmission power. For example, referring to Table 1, when the tune code corresponding to the determined tune code scenario No. 11 is tune code No. 1 and the value of ground logic is 8, the electronic device 101 transmits power of 21 dBm or less. can be determined as the transmit power of the antenna. The second maximum transmission power of the antenna is not limited to what is disclosed in Table 1, and may be predetermined to have any one of 21 dBm to 24 dBm. The electronic device 101 may determine a value below the maximum transmission power as the antenna transmission power, based on the maximum transmission power of the antenna, which is determined differently depending on the tune code and ground logic, in the same frequency band. The electronic device 101 can satisfy the preset SAR standard and improve the throughput of the antenna without fixing the maximum transmission power of the antenna.

According to an embodiment of the present disclosure, the electronic device 101 includes a plurality of antennas 197; 248; 341; 342; 430; At least one antenna tuning circuit (341a; 342a; 400) connected to at least one antenna among the plurality of antennas (197; 248; 341; 342; 430); an RF circuit (232; 234; 236; 331; 332) connected to the at least one antenna tuning circuit (341a; 342a; 400); and at least one communication processor (212; 214; 260) operatively connected to the RF circuit (232; 234; 236; 331; 332). The at least one communication processor (212; 214; 260) may be set to measure a change in impedance of at least one antenna connected to the antenna tuning circuit (341a; 342a; 400). The at least one communication processor 212, 214, 260 may be configured to determine one tune code scenario among a plurality of predetermined tune code scenarios based on the measured impedance change. The at least one communication processor (212; 214; 260) may be configured to check the maximum transmission power of the at least one antenna corresponding to the determined tune code scenario. The at least one communication processor (212; 214; 260) determines a transmission power below the maximum transmission power, and the RF circuit (232; 234; 236; 331; 332) to apply an RF signal of the determined transmission power. ) can be set to control.

In one embodiment, the electronic device 101 includes the tune code scenario, a tune code for impedance matching of the at least one antenna, and ground logic for controlling an antenna beam radiated by the at least one antenna. It can be set to do so.

In one embodiment, the electronic device 101 determines that the maximum transmission power of the at least one antenna is measured based on an antenna beam radiated from the at least one antenna, corresponding to each of the plurality of tune code scenarios. Depending on the SAR value, each may be set to be predetermined.

In one embodiment, the at least one communication processor (212; 214; 260), when the tune code corresponding to the determined tune code scenario is a first tune code, sets the transmit power below the first maximum transmit power to the at least It can be set to determine the transmission power of one antenna.

In one embodiment, the at least one communication processor (212; 214; 260), when the tune code corresponding to the determined tune code scenario is a second tune code, sets the transmit power below the second maximum transmit power to the at least It can be set to determine the transmission power of one antenna.

In one embodiment, the electronic device 101 may be set to pre-determine the second maximum transmission power to be greater than the first maximum transmission power.

In one embodiment, the electronic device 101 may be set so that the first maximum transmission power is predetermined to have any one of 18 dBm to 20 dBm.

In one embodiment, the electronic device 101 may be set so that the second maximum transmission power is predetermined to have any one of 21 dBm to 24 dBm.

In one embodiment, the at least one communication processor (212; 214; 260) is configured to transmit a first maximum transmit power when the tune code and ground logic corresponding to the determined tune code scenario are a first tune code and a first logic. The following transmission power may be set to be determined as the transmission power of the at least one antenna.

In one embodiment, the at least one communication processor (212; 214; 260) is configured to transmit a second maximum transmit power when the tune code and ground logic corresponding to the determined tune code scenario are a first tune code and a second logic. The following transmission power may be set to be determined as the transmission power of the at least one antenna.

According to an embodiment of the present disclosure, a method of controlling antenna settings in an electronic device 101 including a plurality of antennas 197; 248; 341; 342; 430 includes antenna tuning circuits 341a; 342a; It may include an operation of measuring a change in impedance of at least one antenna connected to 400). The method may include determining one tune code scenario among a plurality of predetermined tune code scenarios based on the measured impedance change. The method may include confirming the maximum transmission power of the at least one antenna corresponding to the determined tune code scenario. The method may include determining a transmission power below the maximum transmission power and controlling the RF circuit (232; 234; 236; 331; 332) so that an RF signal of the determined transmission power is applied.

In one embodiment, the tune code scenario may be set to include a tune code for impedance matching of the at least one antenna and ground logic for controlling an antenna beam radiated by the at least one antenna.

In one embodiment, the maximum transmission power of the at least one antenna is a specific absorption rate (SAR) value measured based on an antenna beam radiated from the at least one antenna, corresponding to each of the plurality of tune code scenarios. Accordingly, each may be set to be determined in advance.

In one embodiment, the method includes, when the tune code corresponding to the determined tune code scenario is a first tune code, determining a transmission power below a first maximum transmission power as the transmission power of the at least one antenna. More may be included.

In one embodiment, the method includes, when the tune code corresponding to the determined tune code scenario is a second tune code, determining a transmission power below a second maximum transmission power as the transmission power of the at least one antenna. More may be included.

In one embodiment, the second maximum transmission power may be set to be predetermined to have a value greater than the first maximum transmission power.

In one embodiment, the first maximum transmission power may be set to be predetermined to have any one of 18 dBm to 20 dBm.

In one embodiment, the second maximum transmission power may be set to be predetermined to have any one of 21 dBm to 24 dBm.

In one embodiment, the method, when the tune code and ground logic corresponding to the determined tune code scenario are a first tune code and a first logic, transmit power below the first maximum transmit power of the at least one antenna. An operation of determining transmission power may be further included.

In one embodiment, the method, when the tune code and ground logic corresponding to the determined tune code scenario are a first tune code and a second logic, transmit power below the second maximum transmit power of the at least one antenna. An operation of determining transmission power may be further included.

An electronic device according to an embodiment disclosed in this document may be of various types. Electronic devices may include, for example, portable communication devices (e.g., smartphones), computer devices, portable multimedia devices, portable medical devices, cameras, wearable devices, or home appliances. Electronic devices according to embodiments of this document are not limited to the above-described devices.

An embodiment of this document and the terms used herein are not intended to limit the technical features described in this document to specific embodiments, and should be understood to include various changes, equivalents, or substitutes for the embodiment. In connection with the description of the drawings, similar reference numbers may be used for similar or related components. The singular form of a noun corresponding to an item may include one or more of the above items, unless the relevant context clearly indicates otherwise. As used herein, “A or B”, “at least one of A and B”, “at least one of A or B”, “A, B or C”, “at least one of A, B and C”, and “A Each of phrases such as “at least one of , B, or C” may include any one of the items listed together in the corresponding phrase, or any possible combination thereof. Terms such as "first", "second", or "first" or "second" may be used simply to distinguish one component from another, and to refer to that component in other respects (e.g., importance or order) is not limited. One (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.” Where mentioned, it means that any of the components can be connected to the other components directly (e.g. wired), wirelessly, or through a third component.

The term “module” used in one embodiment of this document may include a unit implemented in hardware, software, or firmware, and may be interchangeable with terms such as logic, logic block, component, or circuit, for example. can be used A module may be an integrated part or a minimum unit of the parts or a part 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).

One embodiment of the present document is one or more instructions stored in a storage medium (e.g., built-in memory 136 or external memory 138) that can be read by a machine (e.g., electronic device 101). It may be implemented as software (e.g., program 140) including these. For example, a processor (e.g., processor 120) of a device (e.g., electronic device 101) may call at least one command among one or more commands stored from a storage medium and execute it. This allows the device to be operated to perform at least one function according to the at least one instruction called. The one or more instructions may include code generated by a compiler or code that can be executed by an interpreter. A storage medium that can be read by a device may be provided in the form of a non-transitory storage medium. Here, 'non-transitory' only means that the storage medium is a tangible device and does not contain signals (e.g. electromagnetic waves), and this term refers to cases where data is semi-permanently stored in the storage medium. There is no distinction between temporary storage cases.

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

According to one embodiment, each component (e.g., module or program) of the above-described components may include a single or multiple entities, and some of the multiple entities may be separately placed in other components. . According to one embodiment, one or more of the above-described corresponding components or operations may be omitted, or one or more other components or operations may be added. Alternatively or additionally, multiple 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 component of the plurality of components identically or similarly to those performed by the corresponding component of the plurality of components prior to the integration. . According to one embodiment, operations performed by a module, program, or other component may be executed sequentially, in parallel, iteratively, or heuristically, or one or more of the operations may be executed in a different order, omitted, or , or one or more other operations may be added.

Additionally, the data structure used in the above-described embodiments of the present invention can be recorded on a computer-readable recording medium through various means. The computer-readable recording media includes storage media such as magnetic storage media (eg, ROM, floppy disk, hard disk, etc.) and optical read media (eg, CD-ROM, DVD, etc.).

So far, the present invention has been examined focusing on its preferred embodiments. A person skilled in the art to which the present invention pertains will understand that the present invention may be implemented in a modified form without departing from the essential characteristics of the present invention. Therefore, the disclosed embodiments should be considered from an illustrative rather than a restrictive perspective. The scope of the present invention is indicated in the claims rather than the foregoing description, and all differences within the equivalent scope should be construed as being included in the present invention.

Claims (20)

In electronic device 101,
a plurality of antennas (197; 248; 341; 342; 430);
At least one antenna tuning circuit (341a; 342a; 400) connected to at least one antenna among the plurality of antennas (197; 248; 341; 342; 430);
an RF circuit (232; 234; 236; 331; 332) connected to the at least one antenna tuning circuit (341a; 342a; 400); and
At least one communication processor (212; 214; 260) operatively connected to the RF circuitry (232; 234; 236; 331; 332),
The at least one communication processor (212; 214; 260),
Measure the impedance change of at least one antenna connected to the antenna tuning circuit (341a; 342a; 400),
Based on the measured impedance change, determine one tune code scenario among a plurality of predetermined tune code scenarios,
Confirm the maximum transmit power of the at least one antenna corresponding to the determined tune code scenario,
An electronic device (101) configured to determine a transmission power below the maximum transmission power and control the RF circuit (232; 234; 236; 331; 332) so that an RF signal of the determined transmission power is applied.
According to claim 1,
The tune code scenario is,
An electronic device 101 configured to include a tune code for impedance matching of the at least one antenna and ground logic for controlling an antenna beam radiated by the at least one antenna.
The method of claim 1 or 2,
The maximum transmit power of the at least one antenna is:
The electronic device 101 is set to be determined in advance, corresponding to each of the plurality of tune code scenarios, according to a specific absorption rate (SAR) value measured based on an antenna beam radiated from the at least one antenna.
The method according to any one of claims 1 to 3,
The at least one communication processor (212; 214; 260),
When the tune code corresponding to the determined tune code scenario is a first tune code, the electronic device 101 is configured to determine a transmission power below the first maximum transmission power as the transmission power of the at least one antenna.
The method according to any one of claims 1 to 4,
The at least one communication processor (212; 214; 260),
When the tune code corresponding to the determined tune code scenario is a second tune code, the electronic device 101 is configured to determine a transmission power below the second maximum transmission power as the transmission power of the at least one antenna.
The method according to any one of claims 1 to 5,
The second maximum transmission power is,
The electronic device 101 is set to be predetermined to have a value greater than the first maximum transmission power.
The method according to any one of claims 1 to 6,
The first maximum transmission power is,
The electronic device 101 is set to be predetermined to have a value of any one of 18 dBm to 20 dBm.
The method according to any one of claims 1 to 7,
The second maximum transmission power is,
The electronic device 101 is set to be predetermined to have a value of any one of 21 dBm to 24 dBm.
The method according to any one of claims 1 to 8,
The at least one communication processor (212; 214; 260),
When the tune code and ground logic corresponding to the determined tune code scenario are the first tune code and the first logic, the electronic device is configured to determine a transmission power below the first maximum transmission power as the transmission power of the at least one antenna. (101).
The method according to any one of claims 1 to 9,
The at least one communication processor (212; 214; 260),
When the tune code and ground logic corresponding to the determined tune code scenario are the first tune code and the second logic, the electronic device is configured to determine a transmission power below a second maximum transmission power as the transmission power of the at least one antenna. (101).
In a method of controlling antenna settings in an electronic device 101 including a plurality of antennas 197; 248; 341; 342; 430,
An operation of measuring a change in impedance of at least one antenna connected to the antenna tuning circuit (341a; 342a; 400);
An operation of determining one tune code scenario among a plurality of predetermined tune code scenarios based on the measured impedance change;
confirming the maximum transmit power of the at least one antenna corresponding to the determined tune code scenario; and
Determining a transmission power below the maximum transmission power, and controlling the RF circuit (232; 234; 236; 331; 332) to apply an RF signal of the determined transmission power.
According to claim 11,
The tune code scenario is set to include a tune code for impedance matching of the at least one antenna and ground logic for controlling an antenna beam radiated by the at least one antenna.
The method of claim 11 or 12,
The maximum transmission power of the at least one antenna is determined in advance according to a specific absorption rate (SAR) value measured based on an antenna beam radiated from the at least one antenna, corresponding to each of the plurality of tune code scenarios. A method set to be determined.
The method according to any one of claims 11 to 13,
When the tune code corresponding to the determined tune code scenario is a first tune code, the method further includes determining a transmission power below a first maximum transmission power as the transmission power of the at least one antenna.
The method according to any one of claims 11 to 14,
When the tune code corresponding to the determined tune code scenario is a second tune code, the method further includes determining a transmission power below a second maximum transmission power as the transmission power of the at least one antenna.
The method according to any one of claims 11 to 15,
The second maximum transmission power is,
A method set to be predetermined to have a value greater than the first maximum transmit power.
The method according to any one of claims 11 to 16,
The first maximum transmission power is,
A method set to be predetermined to have a value of any one of 18 dBm to 20 dBm.
The method according to any one of claims 11 to 17,
The second maximum transmission power is,
A method set to be predetermined to have a value of any one of 21 dBm to 24 dBm.
The method according to any one of claims 11 to 18,
When the tune code and ground logic corresponding to the determined tune code scenario are the first tune code and the first logic, determining a transmission power below the first maximum transmission power as the transmission power of the at least one antenna How to.
The method according to any one of claims 11 to 19,
When the tune code and ground logic corresponding to the determined tune code scenario are a first tune code and a second logic, determining a transmission power below a second maximum transmission power as the transmission power of the at least one antenna How to.

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