KR20210155545A - Communication method based on paried device information and electronic device therefor - Google Patents

Abstract

Disclosed is an electronic device including a first communication circuit, a second communication circuit configured to support Bluetooth communication, a processor, and a memory operatively coupled to the processor. The memory can store one or more instructions, when executed, to allow the processor to connect with a first external electronic device using the first communication circuit, receive second connection information from the first external electronic device using the first communication circuit, set a second Bluetooth address of the first external electronic device included in the second connection information as a Bluetooth address of the electronic device, and connect with a second external electronic device based on the set second Bluetooth address using the second communication circuit. In addition, various embodiments identified through the present document are possible. Accordingly, it is possible to improve the user experience.

Description

Communication method based on paired device information and electronic device therefor

Various embodiments disclosed in this document relate to a communication method based on paired device information and an electronic device therefor.

The Bluetooth standard technology defined by the Bluetooth special interest group (SIG) defines a protocol for short-range wireless communication between electronic devices. In a Bluetooth network environment, electronic devices may transmit or receive data packets including content such as text, voice, image, or video in a designated frequency band (eg, about 2.4 gigahertz (GHz)).

For example, a user equipment (UE), such as a smartphone, tablet, desktop computer, or laptop computer, transmits a data packet to another user terminal or accessory device or can receive The accessory device may include, for example, at least one of an earphone, a headset, a speaker, a mouse, a keyboard, and a display device.

A topology representing the Bluetooth network environment may include one user device (eg, a device under test (DUT)) transmitting data packets and a plurality of devices receiving data packets from the user device.

As long as the plurality of devices receiving the data packet are not connected to each other by wire, each of the plurality of devices receiving the data packet may form a separate link with the user device. In this case, since the user equipment needs to create a plurality of links to transmit the data packet, resource consumption and power consumption of the user equipment may occur, and complexity may increase. In addition, as the number of devices to which the user equipment needs to transmit data packets increases, power consumption of the user equipment and the time it takes for the data packets to reach the devices may increase. Also, one device may receive the data, but the other device may fail to receive the data. In this case, power consumption of the user equipment may increase due to data retransmission. Also, the network throughput may be reduced according to repetition of retransmission of data.

Various embodiments disclosed in this document may provide an electronic device and method for solving the above-described problems in a Bluetooth network environment.

Various respective aspects and features of the invention are defined in the appended claims. Combinations of features of the dependent claims may be combined with features of the independent claims as appropriate, not just expressly set forth in the claims.

In addition, one or more features selected in any one embodiment described in this disclosure may be combined with one or more features selected in any other embodiment described in this disclosure, and alternatives to these features a combination of at least partially alleviates one or more technical problems discussed in the present disclosure, or at least partially alleviates technical problems that can be discerned by a person skilled in the art from the present disclosure, and furthermore features of embodiments ( The combination is possible, provided that a specific combination or permutation so formed of the embodiment features is not understood by a person skilled in the art as incompatible.

In any described example implementation, two or more physically separate components may alternatively be integrated into a single component if their integration is possible, and the single component so formed If the same function is performed by , the integration is possible. Conversely, a single component of any embodiment described in the present disclosure may alternatively be implemented with two or more separate components that achieve the same function, where appropriate.

An electronic device according to an embodiment disclosed in this document includes a first communication circuit, a second communication circuit configured to support Bluetooth communication, a processor operatively connected to the first communication circuit and the second communication circuit, and the a memory operatively coupled to a processor, wherein the memory, when executed, causes the processor to connect to a first external electronic device using the first communication circuit and to use the first communication circuit to connect to the second memory. 1 Receive second connection information from an external electronic device, set a second Bluetooth address of the first external electronic device included in the second connection information as a Bluetooth address of the electronic device, and use the second communication circuit Accordingly, one or more instructions for connecting to a second external electronic device based on the set second Bluetooth address may be stored.

A method for communication of an electronic device according to an embodiment disclosed in this document includes an operation of connecting to a first external electronic device, receiving second connection information from the first external electronic device, and the second connection information may include an operation of setting a second Bluetooth address of the first external electronic device included in the . .

It is an object of certain embodiments of the present invention to solve, mitigate, or eliminate, at least in part, at least one of the problems and/or disadvantages associated with the prior art. Certain embodiments aim to provide at least one of the advantages described below.

According to various embodiments disclosed in this document, the electronic device may connect to another electronic device without a pairing procedure by using the received connection information.

In addition, the electronic device may be connected to another electronic device without a pairing procedure, thereby improving the user's experience.

Also, the electronic device may prevent the occurrence of duplicate Bluetooth addresses by using a random address during the exchange of Bluetooth addresses.

In addition, various effects directly or indirectly identified through this document may be provided.

1 is a block diagram of an electronic device in a network environment according to various embodiments of the present disclosure;
2 illustrates a Bluetooth connection topology between an electronic device and a first external electronic device according to an example.
3 is a signal flow diagram illustrating a connection between a first external electronic device and a second external electronic device according to an exemplary embodiment.
4 is a signal flow diagram illustrating a connection between a first external electronic device and a third external electronic device according to an exemplary embodiment.
5 is a signal flow diagram illustrating a connection of an electronic device to a second external electronic device according to an exemplary embodiment.
6 is a signal flow diagram for exchanging connection information between an electronic device and a first external electronic device according to an exemplary embodiment.
7 is a data flow for explaining a method for an electronic device to connect with a second external electronic device according to an exemplary embodiment.
8 is a data flow for explaining a method for connecting an electronic device to a second external electronic device according to an exemplary embodiment.
9 shows an FHS packet structure according to an embodiment.
10 is a flowchart of a method of connecting an electronic device to a second external electronic device according to an exemplary embodiment.
11 illustrates a list of connection devices of an electronic device according to an exemplary embodiment.
In connection with the description of the drawings, the same or similar reference numerals may be used for the same or similar components.

Hereinafter, various embodiments of the present invention will be described with reference to the accompanying drawings. However, this is not intended to limit the present invention to specific embodiments, and it should be understood that various modifications, equivalents, and/or alternatives of the embodiments of the present invention are included.

The scope of protection is defined by the appended independent claims. Further features are specified by the appended dependent claims. Example implementations may be realized by including one or more features taken jointly and individually from any claim, in any and all permutations.

Examples described in this disclosure include non-limiting example implementations of components that correspond to one or more features specified by the appended independent claims, and those features (or their corresponding components), individually or in combination, may contribute to improving one or more technical problems that can be inferred by a person skilled in the art from the present disclosure.

Also, one or more selected components of any one example described in this disclosure may be combined with one or more selected components of one or more other examples described in this disclosure, or alternatively It may be combined with the features of the independently appended independent claims to form further examples.

Additional example implementations include one or more components taken jointly and individually, in any and all permutations of any implementation described herein. can be realized by Still other example implementations may also be realized by combining one or more features of the appended claims with selected one or more components of any example implementation described in this disclosure.

In forming such additional example implementations, some components of any example implementation described in this disclosure may be omitted. One or more components that may be omitted are components that a person skilled in the art would directly and clearly recognize as not so essential to the function of the present technology in light of technical problems discernible from the present disclosure. A person skilled in the art will say that even if such omitted components are replaced or removed, there is no need to modify other components or features of the further alternative example to compensate for the change. would recognize the point. Accordingly, further example implementations, in accordance with the present technology, may be included within this disclosure, even if a selected combination of features and/or components thereof is not specifically recited.

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

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

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

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

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

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

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

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

The audio module 170 may convert a sound into an electric signal or, conversely, convert an electric signal into a sound. According to an embodiment, the audio module 170 acquires a sound through the input module 150 , or an external electronic device (eg, a sound output module 155 ) connected directly or wirelessly with the electronic device 101 . A sound may be output through the electronic device 102 (eg, a speaker or headphones).

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

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

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

The haptic module 179 may convert an electrical signal into a mechanical stimulus (eg, vibration or movement) or an electrical stimulus that the user can perceive through tactile or kinesthetic sense. According to an embodiment, the haptic module 179 may include, for example, a motor, a piezoelectric element, or an electrical stimulation device.

The camera module 180 may capture still images and moving images. According to an embodiment, the camera module 180 may include one or more lenses, image sensors, image signal processors, or flashes.

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

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

The communication module 190 is a direct (eg, wired) communication channel or a wireless communication channel between the electronic device 101 and an external electronic device (eg, the electronic device 102, the electronic device 104, or the server 108). It can support establishment and communication performance through the established communication channel. The communication module 190 may include one or more communication processors that operate independently of the processor 120 (eg, an application processor) and support direct (eg, wired) communication or wireless communication. According to one embodiment, the communication module 190 is a wireless communication module 192 (eg, a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module 194 (eg, : It may include a LAN (local area network) communication module, or a power line communication module). A corresponding communication module among these communication modules is a first network 198 (eg, a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)) or a second network 199 (eg, legacy It may communicate with the external electronic device 104 through a cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (eg, a telecommunication network such as a LAN or a WAN). These various types of communication modules may be integrated into one component (eg, a single chip) or may be implemented as a plurality of components (eg, multiple chips) separate from each other. The wireless communication module 192 uses the subscriber information (eg, International Mobile Subscriber Identifier (IMSI)) stored in the subscriber identification module 196 within a communication network such as the first network 198 or the second network 199 . The electronic device 101 may be identified or authenticated.

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

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

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

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 a signal ( eg commands or data) can be exchanged with each other.

According to an embodiment, the command or data may be transmitted or received between the electronic device 101 and the external electronic device 104 through the server 108 connected to the second network 199 . Each of the external electronic devices 102 or 104 may be the same as or different from the electronic device 101 . According to an embodiment, all or a part of operations executed in the electronic device 101 may be executed in one or more external electronic devices 102 , 104 , or 108 . For example, when the electronic device 101 is to perform a function or service automatically or in response to a request from a user or other device, the electronic device 101 may perform the function or service itself instead of executing the function or service itself. Alternatively or additionally, one or more external electronic devices may be requested to perform at least a part of the function or the service. One or more external electronic devices that have received the request may execute at least a part of the requested function or service, or an additional function or service related to the request, and transmit a result of the execution to the electronic device 101 . The electronic device 101 may process the result as it is or additionally and provide it as at least a part of a response to the request. For this, 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 an embodiment, the external electronic device 104 or the server 108 may be included in the second network 199 . The electronic device 101 may be applied to an intelligent service (eg, smart home, smart city, smart car, or health care) based on 5G communication technology and IoT-related technology.

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

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

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

According to various embodiments of the present document, one or more instructions stored in a storage medium (eg, internal memory 136 or external memory 138) readable by a machine (eg, electronic device 101) may be implemented as software (eg, the program 140) including For example, a processor (eg, processor 120 ) of a device (eg, electronic device 101 ) may call at least one command among one or more commands stored from a storage medium and execute it. This makes it possible for the device to be operated to perform at least one function according to the called at least one command. The one or more instructions may include code generated by a compiler or code executable by an interpreter. The device-readable storage medium may be provided in the form of a non-transitory storage medium. Here, 'non-transitory' only means that the storage medium is a tangible device and does not include a signal (eg, electromagnetic wave), and this term is used in cases where data is semi-permanently stored in the storage medium and It does not distinguish between temporary storage cases.

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

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

2 illustrates a Bluetooth connection topology between the electronic device 201 and the first external electronic device 211 according to an example.

Referring to FIG. 2 , the electronic device 201 and external electronic devices 211 , 212 , 213 , 214 , and 215 included in the topology are at least some of the components of the electronic device 101 shown in FIG. 1 . It may include the same or similar components as those of the electronic device 101 , and may perform the same or similar functions as those of the electronic device 101 . For example, the electronic device 201 and the external electronic devices 211 , 212 , 213 , 214 , and 215 may perform wireless communication in a short range according to a Bluetooth network defined by the Bluetooth SIG. The Bluetooth network may include, for example, a Bluetooth legacy network and a Bluetooth low energy (BLE) network. According to an embodiment, the electronic device 201 and the external electronic devices 211 , 212 , 213 , 214 , and 215 perform wireless communication through one of a Bluetooth legacy network and a BLE network, or two networks. wireless communication can be performed through

The electronic device 201 and the first external electronic device 211 include, for example, a user terminal such as a smartphone, a tablet, a desktop computer, or a laptop computer, and other external electronic devices 212 , 213 , 214 , and 215 ) may include accessory devices such as earphones, headsets, speakers, mice, keyboards, or display devices.

In the example of FIG. 2 , the electronic device 201 may be paired with the fifth external electronic device 215 based on Bluetooth. The first external electronic device 211 may be paired with the second external electronic device 212 , the third external electronic device 213 , and the fourth external electronic device 214 based on Bluetooth. According to an embodiment, the electronic device 201 and the first external electronic device 211 may store information on a paired device. For example, the electronic device 201 stores information on the fifth external electronic device 215 , and the first external electronic device 211 includes the second external electronic device 212 and the third external electronic device 213 . , and information of the fourth external electronic device 214 may be stored. The paired device information stored by the electronic device 101 or the first external electronic device 211 includes the name of the paired device, Bluetooth version, device type information, supported feature, link key information, and low energy) key and/or Bluetooth address. The topology of FIG. 2 is exemplary, and embodiments of the present document are not limited thereto. For example, the electronic device 201 may not be paired with any external electronic device. The first external electronic device 211 may be paired with one or more external electronic devices.

The electronic device 201 and the first external electronic device 211 may be user devices registered with the same user or the same user account. For example, the first external electronic device 211 may be the user's main mobile phone, and the electronic device 201 may be the user's sub mobile phone. As another example, the first external electronic device 211 may be a user's pre-owned user device, and the electronic device 201 may be a user's newly-purchased user device. In various embodiments, the user may use the electronic device 201 by transferring data of the first external electronic device 211 to the electronic device 201 . For example, the user may transfer data of the first external electronic device 211 to the electronic device 201 by using a backup data installation application (eg, smart switch). The user may transfer the data of the first external electronic device 211 to the electronic device 201 by executing the backup data installation application in the electronic device 201 and the first external electronic device 211 . As another example, the user transfers the data of the first external electronic device 211 backed up to the server (eg, the server 108 in FIG. 1 ) using the backup data installation application (eg, smart switch) to the electronic device 201 . ) can be transferred to The user may receive data backed up from the first external electronic device 211 to the server by executing the backup data installation application on the electronic device 201 and transfer the data to the electronic device 201 .

According to an embodiment, the data transfer of the first external electronic device 211 may include transfer of the setting information of the first external electronic device 211 . For example, the setting information may include connection information with another electronic device (eg, a paired electronic device) associated with the first external electronic device 211 . As part of data transfer, the first external electronic device 211 may transmit connection information of another electronic device (eg, a paired electronic device) associated with the first external electronic device 211 to the electronic device 201 . . In this case, the electronic device 201 may attempt to connect to the other electronic device by using the received information of the other electronic device.

When the electronic device 201 attempts to connect to another electronic device received from the first external electronic device 211 , the connection from the other electronic device may be rejected. For example, the electronic device 201 may receive information on the second external electronic device 212 from the first external electronic device 211 . The electronic device 201 may transmit a connection request to the second external electronic device 212 using information of the second external electronic device 212 . The electronic device 201 may have information on the second external electronic device 212 , but the second external electronic device 212 may not have information on the electronic device 201 . In this case, the second external electronic device 212 may reject the connection request received from the electronic device 201 . For example, the second external electronic device 212 may reject a connection request received from the electronic device 201 without a pairing history according to a manufacturer policy or a security policy. In this case, even if the electronic device 201 has the information of the second external electronic device 212 , it may be necessary to perform pairing for the initial connection again. For example, the user may be requested to perform pairing again for connection between the electronic device 201 and the second external electronic device 212 . In this case, the user may experience inconvenience due to re-performing pairing. According to various embodiments disclosed below, the electronic device 201 performs the paired electronic device of the first external electronic device 211 (eg, the second external electronic device 212 and the second external electronic device 212 ) without a separate pairing procedure. 3 external electronic device 213 and/or a fourth external electronic device). Here, “pairing” may be referred to as a pairing procedure according to the Bluetooth communication standard. Two electronic devices paired through the pairing procedure may store information of the other electronic device in a Bluetooth paired list and connect with the other electronic device without a separate pairing procedure later. According to an embodiment, for security reasons, a personal identification number (PIN), password, connection confirmation, and/or input of an arbitrary number may be requested during pairing.

According to an embodiment, the electronic device 201 includes a processor 221 (eg, the processor 120 of FIG. 1 ), a memory 231 (eg, the memory 130 of FIG. 1 ), and a display 261 (eg, : the display module 160 of FIG. 1 ), the first communication circuit 281 (eg, the communication module 190 of FIG. 1 ), and/or the second communication circuit 291 (eg, the communication module of FIG. 1 ) 190)) may be included.

The processor 221 may be operatively connected to other components of the electronic device 201 and control various operations of the electronic device 201 . For example, the processor 221 may perform various operations of the electronic device 201 by executing one or more instructions stored in the memory 231 . Hereinafter, operations described as being performed by the electronic device 201 may be referred to as being performed by the processor 221 .

The memory 231 may be operatively connected to the processor 221 and store instructions for performing various operations of the electronic device 201 . The memory 231 may store various types of information. For example, the memory 231 may store information on a device paired with the electronic device 201 . The memory 231 may store information (eg, name, Bluetooth version, device type information, supported feature, and/or address) of the fifth external electronic device 215 . For example, the memory 231 may store a first application (eg, a data backup application).

The first communication circuit 281 may be used for communication with the first external electronic device 211 . For example, the first communication circuit 281 may be referred to as a communication circuit supporting any communication except for Bluetooth communication. For example, when the electronic device 201 communicates with the first external electronic device 211 using any short-range wireless communication (eg, short-range wireless communication based on the Wi-Fi standard), the first communication circuit 281 It may be referred to as any communication module supporting short-range wireless communication. As another example, when the electronic device 201 communicates with the first external electronic device 211 based on wired communication, the first communication circuit 281 may include any communication module (eg, It may be referred to as the wired communication module 194 of FIG. 1). As another example, when the electronic device 201 communicates with the first external electronic device 211 through an external server (not shown), the first communication circuit 281 uses any communication standard for Internet connection. It can be referred to as a supported communication module.

The second communication circuit 291 may be referred to as a communication circuit supporting the Bluetooth standard. For example, the second communication circuit 291 may support Bluetooth legacy and/or Bluetooth low energy. According to an embodiment, the electronic device 201 may communicate with the first external electronic device 211 and/or the fifth external electronic device 215 through the second communication circuit 291 .

According to an embodiment, the first external electronic device 211 includes a processor 222 (eg, the processor 120 of FIG. 1 ), a memory 232 (eg, the memory 130 of FIG. 1 ), and a display 262 . ) (eg, display module 160 of FIG. 1 ), first communication circuit 282 (eg, communication module 190 of FIG. 1 ), and/or second communication circuit 292 (eg, of FIG. 1 ). communication module 190).

The processor 222 may be operatively connected to other components of the first external electronic device 211 and control various operations of the first external electronic device 211 . For example, the processor 222 may perform various operations of the first external electronic device 211 by executing one or more instructions stored in the memory 232 . Hereinafter, operations described as being performed by the first external electronic device 211 may be referred to as being performed by the processor 222 .

The memory 232 may be operatively connected to the processor 222 and store instructions for performing various operations of the first external electronic device 211 . The memory 232 may store various types of information. For example, the memory 232 may store information on a device paired with the first external electronic device 211 . The memory 232 may store information (eg, name, Bluetooth version, device type information, support function) of the second external electronic device 212 , the third external electronic device 213 , and/or the fourth external electronic device 214 . (supported feature), and/or address). For example, the memory 232 may store a second application (eg, a data backup application).

The first communication circuit 282 may be used for communication with the electronic device 201 . For example, the first communication circuit 282 may be referred to as a communication circuit supporting any communication except for Bluetooth communication. For example, when the first external electronic device 211 communicates with the electronic device 201 using any short-range wireless communication (eg, short-range wireless communication based on the Wi-Fi standard), the first communication circuit 282 It may be referred to as any communication module supporting short-range wireless communication. For another example, when the first external electronic device 211 communicates with the electronic device 201 based on wired communication, the first communication circuit 282 may be referred to as any communication module supporting a wired communication standard. can As another example, when the first external electronic device 211 communicates with the electronic device 201 through an external server (not shown), the first communication circuit 282 may use any communication standard for Internet connection. It can be referred to as a supported communication module.

The second communication circuit 292 may be referred to as a communication circuit supporting the Bluetooth standard. For example, the second communication circuit 292 may support Bluetooth legacy and/or Bluetooth low energy.

According to various embodiments, the electronic device 201 may receive the second connection information 12 from the first external electronic device 211 . The electronic device 201 uses the second connection information 12 to connect the paired devices of the first external electronic device 211 (eg, the second external electronic device 212 , the third external electronic device 213 , and / or the fourth external electronic device 214) and (eg, without pairing) may be connected based on the Bluetooth communication standard. For the connection using the above-described second connection information 12 , the electronic device 201 connects the first external electronic device 211 to the first communication using the first communication circuit 281 , and performs the first communication receives the second connection information 12 from the first external electronic device 211 through A paired electronic device of the first external electronic device 211 using the second communication circuit 291 (eg, the second external electronic device 212 , the third external electronic device 213 , or the fourth external electronic device) 214) and the second communication may be connected.

According to an embodiment, the electronic device 201 may be connected to the first external electronic device 211 . For example, the electronic device 201 may connect to the first external electronic device 211 using the first communication circuit 281 . The electronic device 201 uses the first communication circuit 281 based on the execution of the first application or an input to the execution screen of the first application (eg, an input for data exchange) to the first external electronic device 211 ) can be connected to The electronic device 201 transmits a connection request to the first external electronic device 211 using the first communication circuit 281 or from the first external electronic device 211 using the first communication circuit 281 . By receiving the connection request, the first external electronic device 211 and the first communication may be connected.

According to an embodiment, the electronic device 201 may receive the second connection information 12 from the first external electronic device 211 through the first communication. For example, the second connection information 12 may include at least a Bluetooth address (eg, a second Bluetooth address) of the first external electronic device 211 . The second connection information 12 may include a second Bluetooth address and a list of paired electronic devices of the first external electronic device 211 . The second connection information 12 includes Bluetooth address information of the first external electronic device 211, Bluetooth communication information (eg, Class of Device, Appearance, Manufacturer data, link type, and/or UUID (universally unique identification) and pairing). The paired electronic device list may include, for example, the second external electronic device 212 , the third external electronic device 213 , and/or the fourth external electronic device 214 . Information on the electronic device included in the paired electronic device list may include, for example, a Bluetooth address, link key information, and/or a low energy (LE) key. According to an example, the second connection information 12 may be stored in the memory 232. When the first external electronic device 211 needs to transmit the second connection information 12 to the electronic device 201, The second connection information 12 stored in the memory 232 may be read and transmitted to the electronic device 201 .

According to an embodiment, the electronic device 201 may transmit the first connection information 11 to the first external electronic device 211 through the first communication. For example, the first connection information 11 may include at least a Bluetooth address (eg, a first Bluetooth address) of the electronic device 201 . As another example, the first connection information 11 may include a first Bluetooth address and a list of paired electronic devices of the electronic device 201 . According to an embodiment, the first connection information 11 includes Bluetooth address information of the electronic device 201 , Bluetooth communication information (eg, Class of Device, Appearance, Manufacturer data, link type, and/or universally unique identification (UUID)). ) and a list of paired electronic devices The paired electronic device list may include, for example, information on the fifth external electronic device 215. Electronic devices included in the list of paired electronic devices The information of may include, for example, a Bluetooth address, link key information, and/or a low energy (LE) key According to an embodiment, the first connection information 11 is stored in the memory 231 . When the electronic device 211 needs to transmit the first connection information 11 to the first external electronic device 211 , the electronic device 211 reads the first connection information 11 stored in the memory 231 to the first external device 211 . may be transmitted to the electronic device 211 .

According to an embodiment, the electronic device 201 may terminate the first communication connection with the first external electronic device 211 . For example, the electronic device 201 may terminate the first communication connection after exchanging the first connection information 11 and the second connection information 12 with the first external electronic device 211 . When the first connection information 11 and the second connection information 12 are successfully exchanged, the electronic device 201 may terminate the first communication connection. The electronic device 201 may terminate the first communication connection based on the successful reception of the second connection information 12 and the reception of an acknowledgment of the first connection information 11 . Termination of the first communication connection may be performed, for example, by the first application. For example, the first communication connection may be terminated when the first application is terminated. As another example, the electronic device 201 may maintain a first communication connection with the first external electronic device 211 after the first connection information 11 and the second connection information 12 are exchanged. The electronic device 201 may release the first communication connection in response to a user input.

According to an embodiment, the electronic device 201 may change the Bluetooth address of the electronic device 201 using the second connection information 12 . For example, the electronic device 201 sets the second Bluetooth address (eg, the Bluetooth address of the first external electronic device 211 ) included in the second connection information 12 as the Bluetooth address of the electronic device 201 . can The electronic device 201 may change the Bluetooth address (eg, the first Bluetooth address) of the electronic device 201 stored in the memory 231 to the second Bluetooth address.

According to an embodiment, the first external electronic device 211 may change the Bluetooth address of the first external electronic device 211 using the first connection information 11 . For example, the first external electronic device 211 transfers the first Bluetooth address (eg, the Bluetooth address of the electronic device 211 ) included in the first connection information 11 to the Bluetooth address of the first external electronic device 211 . address can be set. The first external electronic device 211 may change the Bluetooth address (eg, the second Bluetooth address) of the first external electronic device 211 stored in the memory 232 to the first Bluetooth address. Since the electronic device 201 and the first external electronic device 211 exchange and change addresses with each other, a situation in which two devices having the same Bluetooth address exist can be prevented. According to an embodiment, the electronic device 201 and/or the first external electronic device 211 may inactivate each of the second communication circuits 291 and 292 to change the Bluetooth address. For example, the electronic device 201 and/or the first external electronic device 211 is an external electronic device previously connected to change the Bluetooth address (eg, in the case of the electronic device 201 , the fifth external electronic device 215 ) )) to terminate the Bluetooth connection with the second communication circuits 291 and 292 may be inactivated. For another example, before transmitting the first connection information 11 and/or the second connection information 12 , the electronic device 201 and/or the first external electronic device 211 may perform the second communication circuit 291, 292) can be disabled.

According to an embodiment, after the Bluetooth address is changed, the electronic device 201 is an external electronic device (eg, the second external electronic device 212, the second external electronic device 211) paired with the first external electronic device 211 based on the changed address. The third external electronic device 213 or the fourth external electronic device 214 may be connected. For example, the electronic device 201 may connect to an external electronic device having a history of pairing with the first external electronic device 211 based on a user input or a changed Bluetooth address when the Bluetooth function is activated. .

For example, the electronic device 201 may connect to the second external electronic device 212 using the second communication circuit 291 . The electronic device 201 may transmit a connection request to the second external electronic device 212 using the second communication circuit 291 . In this case, since the Bluetooth address of the electronic device 201 is set as the second Bluetooth address, the second external electronic device 212 may recognize the electronic device 201 as the first external electronic device 211 . . Also, the electronic device 201 may be authenticated to the second external electronic device 212 by using link key information and/or LE key information associated with the second external electronic device 212 from the second connection information. Accordingly, the electronic device 201 may be connected to the second external electronic device 212 without performing separate pairing.

Referring to FIG. 2 , the electronic device 201 and the first external electronic device 211 are exemplified as exchanging the first connection information 11 and the second connection information 12 through the first communication connection. The embodiments of the document are not limited thereto. The electronic device 201 and the first external electronic device 211 may exchange the first connection information 11 and the second connection information 12 through a separate server (not shown). For example, the electronic device 201 transmits the first connection information 11 to the server through the secure connection, and the first external electronic device 211 transmits the first connection information 11 from the server through the secure connection. can receive Similarly, the first external electronic device 211 transmits the second connection information 12 to the server through the secure connection, and the electronic device 201 receives the second connection information 12 from the server through the secure connection. can do.

Hereinafter, a simplified connection procedure according to embodiments of the present document may be described with reference to the exemplary connection procedure of FIGS. 3 and 4 .

FIG. 3 illustrates a signal flow diagram 300 for connecting the first external electronic device 211 and the second external electronic device 212 according to an exemplary embodiment.

According to an embodiment, the first external electronic device 211 and the second external electronic device 212 may be connected based on a Bluetooth protocol.

In operation 305 , the first external electronic device 211 and the second external electronic device 212 may perform an inquiry. Through the inquiry, the first external electronic device 211 and/or the second external electronic device 212 may recognize a nearby external electronic device. For example, the user of the first external electronic device 211 may operate the first external electronic device 211 in a search mode for Bluetooth communication connection. The user turns on the Bluetooth function of the first external electronic device 211 and puts the first external electronic device 211 into a pairing mode, thereby causing the first external electronic device 211 to perform an inquiry procedure. can be made to do According to an embodiment, when the first external electronic device 211 already has information on the second external electronic device 212 , the inquiry (eg, operation 305 ) may be omitted.

For example, the first external electronic device 211 and the second external electronic device 212 may exchange packets to perform an inquiry. The first external electronic device 211 may periodically transmit an identity (ID) packet, and the second external electronic device 212 may perform an inquiry scan. Conversely, the second external electronic device 212 may periodically transmit an ID packet, and the first external electronic device 211 may perform an inquiry scan. The ID packet may include, for example, an access code (device access code, DAC) or inquiry access code (IAC) of an electronic device that transmits the ID packet.

When the second external electronic device 212 receives the ID packet from the first external electronic device 211 , the second external electronic device 212 sends a frequency hop synchronization (FHS) packet to the first external electronic device 211 . can be sent. For example, the FHS packet may include the Bluetooth address of the second external electronic device 212 that performs the inquiry scan. The FHS packet may include information (eg, class of device) indicating the type of the second external electronic device 212 , an extended inquiry response (EIR) bit indicating a subsequent packet, and/or clock information.

In operation 310 , the first external electronic device 211 and the second external electronic device 212 may perform paging. The first external electronic device 211 and the second external electronic device 212 may be connected through paging. As described above, when the first external electronic device 211 and the second external electronic device 212 know each other's addresses, the first external electronic device 211 and the second external electronic device 212 are The query (operation 305) may be omitted and paging may be performed.

For example, the first external electronic device 211 may periodically transmit an ID packet. The first external electronic device 211 may transmit an ID packet including an access code. For example, the first external electronic device 211 may calculate an access code using the Bluetooth address of the second external electronic device 212 . In response to the ID packet from the first external electronic device 211 , the second external electronic device 212 may transmit an ID packet including an access code to the first external electronic device 211 . In response to the reception of the ID packet from the second external electronic device 212 , the first external electronic device 211 may transmit the FHS packet. For example, the FHS packet may include a device name, a Bluetooth address, a device class, a service class, and/or clock information of the first external electronic device 211 . In response to the reception of the FHS packet, the second external electronic device 212 may transmit an ID packet to the first external electronic device 211 .

Through the paging 310 , the first external electronic device 211 and the second external electronic device 212 may establish a Bluetooth link. The operations described above with reference to FIG. 3 may be an example of a Bluetooth communication connection method. The electronic device 201 and the fifth external electronic device 215 may also be connected in a method similar to the connection method of FIG. 3 . In the example of FIG. 3 , the first external electronic device 211 and the second external electronic device 212 may communicate based on a time slot. In the example of FIG. 3 , after the first external electronic device 211 and the second external electronic device 212 are connected once, the electronic device 201 is connected to the first external electronic device 211 and the second external electronic device 212 . Connection information between them is available.

For example, the electronic device 201 receives the second connection information 12 from the first external electronic device 211 and communicates with the second external electronic device 212 based on the second connection information 12 . can be connected In this case, since the electronic device 201 has obtained the information of the second external electronic device 212 from the second connection information 12 , the inquiry 305 with the second external electronic device 212 is not performed. can Also, during paging 310 , when an ID packet is received from the second external electronic device 212 , the electronic device 201 may transmit an FHS packet. In this case, since the electronic device 201 sets the Bluetooth address of the FHS packet to the second Bluetooth address received from the first external electronic device 211 , the second external electronic device 212 sets the electronic device 201 It may be recognized as the first external electronic device 211 . Accordingly, the electronic device 201 may connect to the second external electronic device 212 without a separate pairing procedure due to connection rejection as well as the inquiry 305 procedure.

4 illustrates a signal flow diagram 400 for connecting the first external electronic device 211 and the third external electronic device 213 according to an exemplary embodiment.

A connection and communication method based on the BLE protocol may be described with reference to FIG. 4 . The following descriptions may be similarly applied to the connection between the electronic device 201 and the fifth external electronic device 215 .

According to an embodiment, the first external electronic device 211 may periodically transmit an advertising signal (eg, advertisement) including advertising data (eg, an operation). 401 to 405). For example, the advertisement includes at least one of identification information of the first external electronic device 211, user account information, information on devices capable of simultaneous pairing, transmission power, detection area, and/or battery state information. can do.

According to an embodiment, in operation 410 , the third external electronic device 213 may start a scan. The third external electronic device 213 that has started scanning may receive the advertisement transmitted from the first external electronic device 211 .

According to an embodiment, in operation 415 , the third external electronic device 213 transmits a scan request to the first external electronic device 211 , and in operation 420 , the first external electronic device 211 transmits a third scan response. It may transmit to the external electronic device 213 . For example, in the case of active scan, the first external electronic device 211 and the third external electronic device 213 may perform operations 415 and 420 . For another example, in the case of passive scan, operations 415 and 420 may be omitted.

According to an embodiment, in operation 425 , the third external electronic device 213 may end the scan.

According to an embodiment, in operation 430 , the first external electronic device 211 and the third external electronic device 213 may perform a connection procedure. For example, the third external electronic device 213 transmits a connection request to the first external electronic device 211 and the first external electronic device 211 transmits a response message to the third external electronic device 213 . The first external electronic device 211 and the third external electronic device 213 may be connected.

In the example of FIG. 4 , after the first external electronic device 211 and the third external electronic device 213 are connected once, the electronic device 201 may use connection information between the two electronic devices. For example, the electronic device 201 receives the second connection information 12 from the first external electronic device 211 and communicates with the third external electronic device 213 based on the second connection information 12 . can be connected In this case, the electronic device 201 may perform advertisement (eg, operations 401 to 405 ) based on the changed Bluetooth address (eg, the second Bluetooth address). Since the electronic device 201 obtained the information of the third external electronic device 213 based on the second connection information 12 received from the first external electronic device 211 , in the connection procedure 430 , the security can be authenticated. Since the third external electronic device 213 recognizes the electronic device 201 as the first external electronic device 211 , it can be connected to the electronic device 201 without a separate pairing procedure.

5 is a signal flow diagram 500 for connecting an electronic device and a second external electronic device according to an embodiment.

In the initial state of the signal flow diagram 500 of FIG. 5 , the electronic device 201 may be set as a first Bluetooth address, and the first external electronic device 211 may be set as a second Bluetooth address.

In operation 505 , the electronic device 201 may communicate with the first external electronic device 211 . For example, the electronic device 201 may communicate with the first external electronic device 211 using the first communication circuit 281 . The electronic device 201 may communicate with the first external electronic device 211 when the data backup application is executed or when a user input for the data backup application is received.

In operation 510 , the electronic device 201 may exchange Bluetooth connection information with the first external electronic device 211 using the first communication circuit 281 . For example, the electronic device 201 transmits the first connection information 11 to the first external electronic device 211 , and the first external electronic device 211 transmits the second connection information ( 12) can be sent. After exchanging Bluetooth connection information (eg, in operation 510 ), the electronic device 201 and the first external electronic device 211 may change each Bluetooth address to a temporary Bluetooth address. For example, the electronic device 201 changes its Bluetooth address to a first temporary Bluetooth address when transmitting Bluetooth connection information, and the first external electronic device 211 changes its Bluetooth address when transmitting Bluetooth connection information The address may be changed to the second temporary Bluetooth address. As described above, after exchanging the Bluetooth connection information, the electronic device 201 may terminate the communication connection with the first external electronic device 211 . Termination of the communication connection between the electronic device 201 and the first external electronic device 211 may be performed by a data backup application. For example, when the data backup application is terminated, the communication connection between the electronic device 201 and the first external electronic device 211 may be terminated. The electronic device 201 may terminate the communication connection in response to a user input requesting termination of the communication connection between the electronic device 201 and the first external electronic device 211 . According to an embodiment, the electronic device 201 may maintain a communication connection with the first external electronic device 211 after the first connection information 11 and the second connection information 12 are exchanged.

In operation 511 , the electronic device 201 may set a Bluetooth address of the electronic device 201 using the received Bluetooth connection information. For example, the electronic device 201 may use the second Bluetooth address included in the received second connection information 12 (eg, the Bluetooth address of the first external electronic device 211 ) as the Bluetooth address of the electronic device 201 . can be changed In operation 513 , the first external electronic device 211 may set the Bluetooth address of the first external electronic device 211 using the received Bluetooth connection information. For example, the first external electronic device 211 may use the first Bluetooth address (eg, the Bluetooth address of the electronic device 201 ) included in the received first connection information 11 , the first external electronic device 211 . You can change the Bluetooth address of

After checking whether the exchange of Bluetooth connection information is successful, the electronic device 201 and the first external electronic device 211 may perform Bluetooth address setting (eg, operations 511 and 513 ). When the electronic device 201 and the first external electronic device 211 fail to exchange Bluetooth connection information, the temporary Bluetooth address may be restored to the previous Bluetooth address.

After performing operations 511 and 513 , the Bluetooth address of the electronic device 201 and the first external electronic device 211 may be changed. For example, the Bluetooth address of the electronic device 201 may be set as the second Bluetooth address, and the Bluetooth address of the first external electronic device 211 may be set as the first Bluetooth address. According to an embodiment, after confirming that the Bluetooth address has been changed, the electronic device 201 and the first external electronic device 211 may release the communication connection created in operation 505 .

In operation 520 , the electronic device 201 may communicate with the second external electronic device 212 using the second communication circuit 291 . The electronic device 201 may communicate with the second external electronic device 212 based on the changed second Bluetooth address. A detailed communication connection method may be referred to with reference to the descriptions related to FIGS. 7 and 8 .

6 illustrates a signal flow diagram 600 for exchanging connection information between the electronic device 201 and the first external electronic device 211 according to an exemplary embodiment.

In operation 605 , the electronic device 201 may communicate with the first external electronic device 211 (eg, operation 505 of FIG. 5 ). For example, the first application 601 (eg, data backup application) of the electronic device 201 and the second application 602 (eg, data backup application) of the first external electronic device 211 establish a communication connection. data can be exchanged.

In FIG. 6 , an operation in which the first application 601 of the electronic device 201 transmits/receives data to/from the second application 602 of the first external electronic device 211 is performed by the first application 601 of the electronic device ( 201) of the first communication circuit (eg, the first communication circuit 281 of FIG. 2) of the first external electronic device 211 using the first communication circuit (eg, the first communication circuit 282 of FIG. 2) ) may be referred to as transmitting and receiving data with the second application 602 using the .

In operation 607, the first application 601 may check sharing of connection information. For example, the first application 601 may provide a user interface to the display 261 . The user interface may include information for inquiring a user whether to share connection information. If the user approves sharing of the connection information, the first application 601 may perform operation 609 . According to an embodiment, operation 607 may be omitted. For example, when the user requests to share connection information through the first application 601 and a communication connection (eg, operation 605) is performed, operation 607 may be omitted.

In operation 609 , the first application 601 may request the first connection information from the second communication circuit 291 . In operation 611 , the second communication circuit 291 may transmit the first connection information 11 to the first application 601 . In this case, for example, the second communication circuit 291 may change the first Bluetooth address associated with the second communication circuit 291 to a first arbitrary Bluetooth address.

In operation 613 , the first application 601 may transmit the first connection information 11 to the second application 602 of the first external electronic device 211 .

In operation 615 , the second application 602 may confirm sharing of connection information. For example, the second application 602 may provide a user interface to the display 602 . The user interface may include information for inquiring a user whether to share connection information. If the user approves sharing of the connection information, the second application 601 may perform operation 617 . According to an embodiment, operation 607 may be omitted. For example, when the user approves a communication connection (eg, operation 605) with the electronic device 201 through the second application 602, operation 607 may be omitted.

In operation 617 , the second application 602 may transmit the first connection information 11 to the second communication circuit 292 . In operation 619 , the second application 602 may request second connection information from the second communication circuit 292 . In operation 621 , the second communication circuit 292 may transmit the second connection information 12 to the second application 602 . In this case, for example, the second communication circuit 292 may change the second Bluetooth address associated with the second communication circuit 292 to a second arbitrary Bluetooth address. In operation 623 , the second application 602 may transmit the second connection information 12 to the first application 601 .

In operation 625 , the first application 601 may transmit the second connection information 12 to the second communication circuit 291 .

In operation 627 , the first application 601 and the second application 602 may terminate the connection after confirming the exchange of connection information. Operations 607 to 627 described above may correspond to operation 510 of FIG. 5 .

In operation 629 , the second communication circuit 291 may set a Bluetooth address based on the second connection information 12 . In operation 631 , the second communication circuit 292 may set a Bluetooth address based on the first connection information 11 . According to an embodiment, the second communication circuits 291 and 292 may be configured to perform operations 629 and 631 only when the connection information exchange is successful. For example, when the exchange of connection information is confirmed in operation 627 , the first application 601 may transmit a signal to change the Bluetooth address after the exchange of connection information is successful to the second communication circuit 291 . For another example, when the exchange of connection information is confirmed in operation 627 , the processor (eg, the processor 221 of FIG. 2 ) may transmit a signal to change the Bluetooth address to the second communication circuit 291 .

The operation of the second communication circuit 291 described above with reference to FIG. 6 is, for example, performed by a kernel associated with the second communication circuit 291 of a kernel layer of the operating system of the electronic device 201 . it may be The operation of the second communication circuit 292 described above with reference to FIG. 6 is, for example, a kernel associated with the second communication circuit 292 of a kernel layer of the operating system of the first external electronic device 211 . may be performed by

According to an embodiment, after the first application 601 and the second application 602 confirm the exchange of connection information in operation 627 , the operation of terminating the connection may be performed after operation 629 and/or operation 631 . For example, when the first application 601 confirms that the Bluetooth address setting has been normally performed from the second communication circuit 291 , the first application 601 may request the second application 602 to terminate the connection. As another example, when it is confirmed that the Bluetooth address setting has not been normally performed by the second communication circuit 291 , the first application 601 may notify the second application 602 that the Bluetooth address change has failed. . According to an embodiment, when the Bluetooth address change fails, the first application 601 requests the second communication circuit 291 to change to the existing Bluetooth address, and the second application 602 sends the second communication circuit 292 . to request a change to the existing Bluetooth address. For example, the first application 601 requests the second communication circuit 291 to set the first Bluetooth address, and the second application 602 sets the second communication circuit 292 to the second Bluetooth address. you can request to be As another example, the first application 601 requests that the second communication circuit 291 be set to a designated Bluetooth address (eg, a Bluetooth address generated based on the first Bluetooth address), and the second application 602 . may request to be set to the specified Bluetooth address (eg, a Bluetooth address generated based on the second Bluetooth address) to the second communication circuit 292 .

6 , the operation order of the electronic device 201 and the first external electronic device 211 may be changed. For example, after the first external electronic device 211 first transmits second connection information to the electronic device 201 , and the electronic device 201 receives the second connection information, the first external electronic device 211 ) to transmit the first connection information.

According to various embodiments, at least some of operations 607 to 631 may be performed substantially simultaneously. For example, an operation for transmitting the first connection information 11 by the electronic device (eg, operations 607 to 611 ) and an operation for transmitting the second connection information 12 by the first external electronic device 211 At least some of (eg, operations 615 to 621 ) may be substantially simultaneously performed.

In the example of FIG. 6 , the electronic device 201 and the first external electronic device 211 may prevent duplicate Bluetooth addresses from being present. According to an embodiment, the second communication circuit 291 changes its own Bluetooth address to a temporary random address after delivery of the first connection information (eg, operation 611) to obtain the first Bluetooth address of the first connection information. The simultaneous existence of a plurality of devices having addresses (eg, the electronic device 201 and the first external electronic device 211 ) may be prevented. When the second communication circuit 291 successfully receives the second connection information (eg, operation 625) or when successful connection information exchange is confirmed (eg, operation 627), the second communication circuit 291 assigns an arbitrary address of the second connection information. It can be changed to the second Bluetooth address. When the second communication circuit 291 fails to receive the second connection information or when the first external electronic device 211 fails to receive the first connection information 11 , the second communication circuit 291 sends an arbitrary address may be changed back to the first Bluetooth address. According to an embodiment, the first external electronic device 211 sets its Bluetooth address to a temporary random address (eg, the random address of the electronic device 201 ) after the second connection information is transmitted (eg, operation 621 ). different addresses). When the first external electronic device 211 successfully receives the first connection information (eg, operation 617) or when successful connection information exchange is confirmed (eg, operation 627), the first external electronic device 211 assigns an arbitrary address to the first connection information can be changed to the first Bluetooth address of When the first external electronic device 211 fails to receive the first connection information or when the electronic device 201 fails to receive the second connection information, the first external electronic device 211 resets the random address to the second It can be changed to a Bluetooth address. According to an embodiment, the first application 601 of the electronic device 201 performs an operation (eg, operation 609) of requesting the first connection information to the second communication circuit 291 . or when the second communication circuit 291 transmits the first connection information to the first application 601 (eg, operation 611)), the second communication circuit 291 may be in an inactive state. have. The second communication circuit 291 may be in an activated state after setting a Bluetooth address based on the second connection information 12 .

7 is a data flow 700 for explaining a method for the electronic device 201 to connect with the second external electronic device 212 according to an exemplary embodiment.

For example, the operations of FIG. 7 may be performed after operation 511 (BT address setting) of FIG. 5 . The operations of FIG. 7 may correspond to operation 520 (communication connection) of FIG. 5 .

In operation 713 , the electronic device 201 may perform a page scan based on the second Bluetooth address. For example, the second connection information 12 received by the electronic device 201 from the first external electronic device 211 may include a second Bluetooth address and a list of paired devices of the first external electronic device 211 . . The electronic device 201 may perform a page scan based on the second Bluetooth address after a specified time has elapsed from the time when the second connection information 12 is received or the time when the Bluetooth address is set as the second Bluetooth address. Alternatively, the electronic device 201 executes an operation related to Bluetooth, executes a specific application (eg, a backup data installation application), or receives a request from the first external electronic device 211 (eg, a page scan request from a user). If there is, a page scan may be performed based on the second Bluetooth address.

In operation 717 , a specified event may be generated in the second external electronic device 212 . For example, the designated event may include a turn-on of the second external electronic device 212 or a page scan input to the second external electronic device 212 . Alternatively, the designated event may be an event for a link supervision timeout (LSTO). Alternatively, the designated event is when the first external electronic device 211 shares the second connection information 12 with the electronic device 201, the first external electronic device 211 sends the server or the second external electronic device ( 212) may be an operation to stop the existing connection.

In operation 719 , when a specified event occurs, the second external electronic device 212 may perform a paging operation (eg, operation 310 of FIG. 3 ). For example, the paging operation may include an operation in which the second external electronic device 212 attempts to reconnect with the first external electronic device 211 based on a connection history with the first external electronic device 211 . .

In operation 721 , the second external electronic device 212 may transmit data for a connection request to the first external electronic device 211 . For example, the second external electronic device 212 generates a device access code (DAC) using the second Bluetooth address (eg, the existing Bluetooth address of the first external electronic device 211), and generates the generated device access code (DAC). The ID packet including the DAC may be transmitted to the first external electronic device 211 . For example, the second external electronic device 212 may broadcast an ID packet. Meanwhile, a period in which the second external electronic device 212 attempts a connection request to the first external electronic device 211 may be determined in consideration of usability, power, and/or battery capacity. In FIG. 7 , three ID packets are shown to be transmitted, but the number of transmitted ID packets is not limited to the example of FIG. 7 .

In operation 723 , the electronic device 201 may receive an ID packet from the second external electronic device 212 . According to an embodiment, the electronic device 201 may receive the ID packet transmitted from the second external electronic device 212 to the first external electronic device 211 by performing a page scan based on the second Bluetooth address. can For example, when the electronic device 201 is located within a distance capable of receiving the ID packet from the second external electronic device 212 , the electronic device 201 may receive the ID packet.

In operation 725 , the electronic device 201 may determine whether to connect with the second external electronic device 212 based on the reception of the ID packet. For example, the second communication circuit 291 of the electronic device 201 may transmit a signal indicating that the ID packet has been received to the processor 221 . When a signal from the second communication circuit 291 is received, the processor 221 may display a user interface indicating that a connection request from the second external electronic device 212 has been received through the display 261 . In this case, the electronic device 201 may determine whether to connect to the second external electronic device 212 according to an input to the user interface (eg, connection acceptance or connection rejection).

In operation 727 , when an input for connection approval is received, the electronic device 201 may transmit data for a connection request to the second external electronic device 212 . For example, the electronic device 201 may transmit an ID packet based on the second Bluetooth address to the second external electronic device 212 . In FIG. 7 , three ID packets are shown to be transmitted, but the number of transmitted ID packets is not limited thereto.

In one embodiment, operation 725 may be omitted. For example, when the ID packet is received, the electronic device 201 may transmit a connection request to the second external electronic device 212 . The second communication circuit 291 transmits a signal indicating that the ID packet has been received from the second external electronic device 212 to the processor 221 , and the processor 221 transmits the second connection information ( 12), it may be determined whether to perform a connection with the second external electronic device 212 . When a connection with the second external electronic device 212 is required (eg, when the second external electronic device 212 is included in the paired device list included in the second connection information 12), the processor 221 2 It is possible to instruct a connection request to the communication circuit 291 .

In operation 729 , the second external electronic device 212 may establish a communication connection with the electronic device 201 based on the ID packet based on the second Bluetooth address. Since the electronic device 201 uses the second Bluetooth address of the first external electronic device 211 that has been previously connected to the second external electronic device 212 , the second external electronic device 212 uses the electronic device ( 201) may be connected to the electronic device 201 without performing separate pairing.

8 is a data flow 800 for explaining a method for the electronic device 201 to connect with the second external electronic device 212 according to an exemplary embodiment.

For example, the operations of FIG. 8 may be performed after operation 511 (BT address setting) of FIG. 5 . The operations of FIG. 8 may correspond to operation 520 (communication connection) of FIG. 5 .

In operation 813 , the electronic device 201 may perform a page scan based on the second Bluetooth address. For example, the second connection information 12 received by the electronic device 201 from the first external electronic device 211 may include a second Bluetooth address and a list of paired devices of the first external electronic device 211 . . The electronic device 201 may perform a page scan based on the second Bluetooth address after a specified time has elapsed from the time when the second connection information 12 is received or the time when the Bluetooth address is set as the second Bluetooth address. Alternatively, the electronic device 201 executes an operation related to Bluetooth, executes a specific application (eg, a backup data installation application), or receives a request from the first external electronic device 211 (eg, a page scan request from a user). If there is, a page scan may be performed based on the second Bluetooth address.

In operation 817 , a specified event may be generated in the second external electronic device 212 . For example, the designated event may include an input of turning on the second external electronic device 212 or executing a page scan. Alternatively, the designated event may be an event for a link supervision timeout (LSTO).

In operation 819, the second external electronic device 212 may perform paging. In operation 821 , the second external electronic device 212 may transmit an ID packet. In operation 821 , the second external electronic device 212 may transmit data for a connection request to the first external electronic device 211 . For example, the second external electronic device 212 may transmit an ID packet to the first external electronic device 211 . For example, the second external electronic device 212 may broadcast an ID packet. In operation 823 , the electronic device 201 may receive an ID packet from the second external electronic device 212 . The descriptions of operations 819, 821, and 823 may be referred to respectively by the descriptions of operations 719, 721, and 723 of FIG. 7 .

In operation 825 , the electronic device 201 may transmit response data corresponding to the ID packet to the second external electronic device 212 . For example, the response data may be response data corresponding to the ID packet received by the electronic device 201 .

In operation 827 , the second external electronic device 212 may transmit an FHS packet in response to the reception of the response data. The FHS packet may include, for example, information on the second external electronic device 212 such as a Bluetooth address, clock information, and/or an LT address of the second external electronic device 212 . The electronic device 201 may receive the FHS packet from the second external electronic device 212 . In an embodiment, when receiving the FHS packet, the electronic device 201 may retransmit the ID packet as response data.

In operation 829 , the electronic device 201 may determine whether to connect with the second external electronic device 212 based on the reception of the FHS packet. For example, the second communication circuit 291 of the electronic device 201 may transmit a signal instructing reception of the FHS packet to the processor 221 . The processor 221 may obtain information on the second external electronic device 212 by using the FHS packet. A method of obtaining information by the second external electronic device 212 may be described with reference to FIG. 9 .

9 shows an FHS packet structure according to an embodiment.

Referring to reference numeral 901 of FIG. 9 , the processor 221 may obtain a third Bluetooth address of the second external electronic device 212 using the FHS packet. For example, the processor 221 obtains the third Bluetooth address using 'LAP (lower address part)', 'UAP (upper address part)', and 'NAP (non-significant address part)' included in the FHS packet. can do. Referring to reference numeral 951 of FIG. 9 , the processor 221 may obtain a 6-byte third Bluetooth address through 'LAP', 'UAP', and 'NAP'.

Referring back to FIG. 8 , according to various embodiments, the electronic device 201 includes a third Bluetooth address (eg, the second external electronic device 212 ) in the paired device list received from the first external electronic device 211 . of Bluetooth address) is included. For example, if the third Bluetooth address is included in the paired device list, the processor 221 may display a user interface informing that the connection request from the second external electronic device 212 has been received through the display 260 . have. The electronic device 201 may determine whether to connect to the second external electronic device 212 according to an input to the user interface (eg, connection acceptance or connection rejection). As another example, if the third Bluetooth address is included in the paired device list, the processor 221 may transmit a connection request for connection with the second external electronic device 212 (eg, operation 831 ).

In operation 831 , the electronic device 201 may transmit data for a connection request to the second external electronic device 212 . For example, the electronic device 201 may transmit an ID packet based on the second Bluetooth address to the second external electronic device 212 .

In operation 833 , the second external electronic device 212 may establish a communication connection with the electronic device 201 based on the ID packet based on the second Bluetooth address. Since the electronic device 201 uses the second Bluetooth address of the first external electronic device 211 that has been previously connected to the second external electronic device 212 , the second external electronic device 212 uses the electronic device ( 201) may be connected to the electronic device 201 without performing separate pairing.

10 is a flowchart 1000 of a method of connecting the electronic device 201 with the second external electronic device 212 according to an exemplary embodiment.

In operation 1005 , the electronic device 201 may establish a communication connection with the first external electronic device 211 . The electronic device 201 may communicate with the first external electronic device 211 using the first communication circuit 281 . For example, the electronic device 201 may establish a communication connection with the first external electronic device 211 as described above in relation to operation 505 of FIG. 5 or operation 605 of FIG. 6 .

In operation 1010 (eg, operation 510 of FIG. 5 or operation 623 of FIG. 6 ), the electronic device 201 may receive the second connection information 12 from the first external electronic device 211 . For example, the electronic device 201 may receive the second connection information 12 from the first external electronic device 211 using the first communication circuit 281 . The second connection information 12 may include a Bluetooth address (eg, a second Bluetooth address) of the first external electronic device 211 . The second connection information 12 may further include a list of paired devices of the first external electronic device 211 (eg, the second external electronic device 212 ). For example, the paired device list may include connection information (eg, name, Bluetooth version, device type information, supported feature, and/or address) of the second external electronic device 212 . The second connection information 12 may further include Bluetooth communication information (eg, Class of Device, Appearance, Manufacturer data, link type, and/or universally unique identification (UUID)) of the first external electronic device 211 . .

In operation 1015 (eg, operation 511 of FIG. 5 or operation 629 of FIG. 6 ), the electronic device 201 may change the Bluetooth information of the electronic device 201 using the second connection information 12 . For example, the electronic device 201 may set the second Bluetooth address included in the second connection information 12 as the Bluetooth address of the electronic device 201 .

In operation 1020 (eg, operation 520 of FIG. 5 ), the electronic device 201 may connect with the second external electronic device 212 based on the changed Bluetooth address (eg, the second Bluetooth address). The electronic device 201 may connect to the second external electronic device 212 using the second communication circuit 291 . The electronic device 201 may be connected to the second external electronic device 212 without performing separate pairing by using the connection information of the second external electronic device 212 included in the second connection information 12 . An operation in which the electronic device 201 connects to the second external electronic device 212 may be referred to by the methods described above with reference to FIGS. 7 and 8 .

11 illustrates a list of connection devices of the electronic device 201 according to an exemplary embodiment.

According to an embodiment, the electronic device 201 may display the first user interface 1101 on the display 261 . For example, the electronic device 201 may display the first user interface 1101 on the display 261 when the Bluetooth function is activated. The first user interface 1101 is displayed on the electronic device 201 before the electronic device 201 transmits the first connection information 11 to the first external electronic device 211 (eg, operation 510 of FIG. 5 ). It may be a list of connected devices.

For example, the first user interface 1101 may include a list indicating device information indicating external electronic devices paired with the electronic device 201 . For example, the first user interface 1101 may include fifth device information 1115 indicating the fifth external electronic device 215 . For example, the device information indicating the external electronic devices may include an icon indicating the external electronic device, a device name, and/or setting information.

According to an embodiment, the electronic device 201 may display the second user interface 1102 on the display 261 . For example, the electronic device 201 may display the second user interface 1102 on the display 261 when the Bluetooth function is activated. In the second user interface 1102 , the electronic device 201 transmits the first connection information 11 to the first external electronic device 211 (eg, operation 510 of FIG. 5 ), and the second connection information 12 may be a list of connected devices displayed on the electronic device 201 after receiving from the first external electronic device 211 .

Before transmitting the first connection information 11 , the electronic device 201 may have information on the paired fifth external electronic device 215 based on the first Bluetooth address. After receiving the second connection information 12 , since the Bluetooth address of the electronic device 201 is changed to the second Bluetooth address, in order to connect with the fifth external electronic device 215 , the electronic device 201 may It may be necessary to perform a separate pairing procedure with the fifth external electronic device 215 . In this case, in order to indicate that separate pairing may be required, the fifth device information 1115 may be displayed differently from the first user interface 1101 . For example, at least one of a color, an icon, and a text may be different. Changing the display method of the fifth device information 1115 in the second user interface 1102 is exemplary, and embodiments of the present document are not limited thereto. For example, the second user interface 1102 may display the fifth device information 1115 differently from the first user interface 1101 . For another example, the second user interface 1102 does not display the fifth device information 1115 or another external electronic device that is paired based on the second Bluetooth information (eg, the second external electronic device 212 , It may be displayed separately from the third external electronic device 213 and the fourth external electronic device 214 . For example, it is possible to classify and display a connectable device instead of a registered device.

The second user interface 1102 includes a second external electronic device 212 paired with the first external electronic device 211 included in the second connection information 12 received from the first external electronic device 211 , It may include information on the third external electronic device 213 and the fourth external electronic device 214 . For example, the second user interface 1102 may include second device information 1112 indicating the second external electronic device 212 , the third external electronic device 213 , and the fourth external electronic device 214 , respectively. , third device information 1113 , and fourth device information 1114 . The electronic device 201 separates information of the second external electronic device 212 , the third external electronic device 213 , and the fourth external electronic device 214 based on the second connection information 12 for pairing. It can be marked as connectable without it. For example, when an input for information 1112 of the second external electronic device 212 is received, the electronic device 201 may be connected to the second external electronic device 212 without performing separate pairing.

According to various embodiments, when the electronic device 201 exchanges connection information (eg, the first connection information 11 or the second connection information 12 ) with the first external electronic device 211 , the first communication A second communication circuit (eg, the second communication circuit 291 or the second communication circuit 292) is not used without using a circuit (eg, the first communication circuit 281 or the first communication circuit 282). can For example, the electronic device 201 and the first external electronic device 211 communicate with a first communication circuit (eg, the first communication circuit 281 or the first communication circuit 282 ) and a second communication circuit (eg: In a communication connection state through the second communication circuit 291 or the second communication circuit 292 ), the electronic device 201 transmits the first connection information 11 using the first communication circuit 281 to the first It may transmit to the external electronic device 211 and receive the second connection information 12 from the first external electronic device 211 . According to an embodiment, the electronic device 201 sets the Bluetooth address of the electronic device 201 to the second connection information ( 12), information indicating that the second Bluetooth address has been changed may be transmitted to the first external electronic device 211 through the first communication circuit 281 . According to an embodiment, the first external electronic device 211 has a Bluetooth address of the first external electronic device 211 based on information indicating that the first connection information 11 has been normally received or the first connection information 11 . Information notifying that . is changed to the first Bluetooth address based on the first connection information 11 may be transmitted to the electronic device 201 through the first communication circuit 282 .

Two or more physically separate components of any described example implementation may alternatively be incorporated into a single component, if their integration is possible, in a single component so formed. Integration is possible if the same function is performed by Conversely, a single component of any example implementation described in this disclosure may alternatively be implemented as two or more separate components that achieve the same functionality, where appropriate.

The electronic device (eg, the electronic device 201 of FIG. 2 ) according to an embodiment supports a first communication circuit (eg, a first communication means, the first communication circuit 281 of FIG. 2 ) and Bluetooth communication. Established second communication circuit (eg, second communication means, second communication circuit 282 of FIG. 2 ), the first communication circuit and a processor (eg, processing means, FIG. 2 ) operatively connected with the second communication circuit of the processor 221), and a memory operatively connected to the processor (eg, a storage means, the memory 231 of FIG. 2 ). The memory may store instructions that, when executed, cause the processor to perform the following operations.

According to an embodiment, the processor connects to a first external electronic device using the first communication circuit, receives second connection information from the first external electronic device using the first communication circuit, and A second Bluetooth address of the first external electronic device included in the second connection information is set as a Bluetooth address of the electronic device, and a second external address is set based on the set second Bluetooth address using the second communication circuit. It can be connected to an electronic device. For example, the second connection information may include a list of electronic devices paired with the first external electronic device. For example, the list of paired electronic devices may include information on the second external electronic device. For example, the information on the second external electronic device may include at least one of a Bluetooth address of the second external electronic device, link key information, and a low energy (LE) key. When the one or more instructions are executed, the processor may connect to the second external electronic device using information of the second external electronic device based on the set second Bluetooth address. The instructions, when executed, cause the processor to connect to the second external electronic device without pairing with the second external electronic device by using the information of the second external electronic device based on the set second Bluetooth address. can

According to an embodiment, the instructions are transmitted by the second external electronic device to the first external electronic device using the second communication circuit after the processor sets the second Bluetooth address when executed. ID (identifier) packets can be received. When the one or more instructions are executed, when the second external electronic device indicated by the ID packet is included in the second connection information, the processor communicates with the second external electronic device based on the second Bluetooth address. can be made to connect.

According to an embodiment, when the one or more instructions are executed, the processor transmits first connection information including a first Bluetooth address of the electronic device to the first external electronic device using the first communication circuit can make it The one or more instructions, when executed, may cause the processor to terminate the connection with the first external electronic device after transmitting the first connection information and receiving the second connection information. The transmission of the first connection information may cause the first external electronic device to set the Bluetooth address of the first external electronic device as the first Bluetooth address.

According to an embodiment of the present disclosure, a method for communication of an electronic device includes an operation of connecting to a first external electronic device, receiving second connection information from the first external electronic device, and the method included in the second connection information. The method may include setting the second Bluetooth address of the first external electronic device as the Bluetooth address of the electronic device, and connecting to the second external electronic device based on the set second Bluetooth address. The second connection information may include a list of electronic devices paired with the first external electronic device. The list of paired electronic devices may include information on the second external electronic device. The operation of connecting with a second external electronic device based on the set second Bluetooth address may include an operation of connecting with the second external electronic device using information of the second external electronic device based on the set second Bluetooth address. may include The information of the second external electronic device may include at least one of a Bluetooth address of the second external electronic device, link key information, and a low energy (LE) key. The operation of connecting to the second external electronic device using the information of the second external electronic device based on the set second Bluetooth address may include connecting to the second external electronic device without pairing with the second external electronic device. It may include an action to

The operation of connecting to a second external electronic device based on the set second Bluetooth address includes an identifier (ID) packet transmitted by the second external electronic device to the first external electronic device using the second communication circuit. may include an operation of receiving When the second external electronic device indicated by the ID packet is included in the second connection information, the operation of connecting with a second external electronic device based on the set second Bluetooth address may be performed based on the second Bluetooth address. and connecting to the second external electronic device may be further included.

The method may further include transmitting first connection information including a first Bluetooth address of the electronic device to the first external electronic device. The method may further include terminating the connection with the first external electronic device after transmitting the first connection information and receiving the second connection information. The transmission of the first connection information may cause the first external electronic device to set the Bluetooth address of the first external electronic device as the first Bluetooth address.

Claims (20)

In an electronic device,
a first communication circuit;
a second communication circuit configured to support Bluetooth communication;
a processor operatively coupled with the first communication circuitry and the second communication circuitry; and
a memory operatively coupled to the processor;
The memory, when executed, causes the processor to:
connected to a first external electronic device using the first communication circuit;
receiving second connection information from the first external electronic device using the first communication circuit;
setting a second Bluetooth address of the first external electronic device included in the second connection information as a Bluetooth address of the electronic device;
and storing one or more instructions for connecting to a second external electronic device based on the set second Bluetooth address using the second communication circuit. The method of claim 1,
The second connection information includes a list of electronic devices paired with the first external electronic device. 3. The method of claim 2,
The list of paired electronic devices includes information on the second external electronic device,
The one or more instructions, when executed, cause the processor to connect with the second external electronic device using information of the second external electronic device based on the set second Bluetooth address. 4. The method of claim 3,
The electronic device of claim 1, wherein the information on the second external electronic device includes at least one of a Bluetooth address, link key information, and a low energy (LE) key of the second external electronic device. 4. The method of claim 3,
When the one or more instructions are executed, the processor connects to the second external electronic device without pairing with the second external electronic device by using the information of the second external electronic device based on the set second Bluetooth address. Electronic devices that make it happen. The method of claim 1,
When the one or more instructions are executed, after the processor sets the second Bluetooth address to the second Bluetooth address, the second external electronic device transmits an identifier (ID) to the first external electronic device using the second communication circuit. An electronic device, configured to receive a packet. 7. The method of claim 6,
When the one or more instructions are executed, when the second external electronic device indicated by the ID packet is included in the second connection information, the processor communicates with the second external electronic device based on the second Bluetooth address. An electronic device that allows you to connect. The method of claim 1,
and the one or more instructions, when executed, cause the processor to transmit first connection information including a first Bluetooth address of the electronic device to the first external electronic device using the first communication circuit. 9. The method of claim 8,
and the one or more instructions, when executed, cause the processor to terminate a connection with the first external electronic device after transmitting the first connection information and receiving the second connection information. 10. The method of claim 9,
The transmitting of the first connection information causes the first external electronic device to set a Bluetooth address of the first external electronic device as the first Bluetooth address. A method for communication of an electronic device, comprising:
connecting to the first external electronic device;
receiving second connection information from the first external electronic device;
setting a second Bluetooth address of the first external electronic device included in the second connection information as a Bluetooth address of the electronic device; and
and connecting to a second external electronic device based on the set second Bluetooth address. 12. The method of claim 11,
The second connection information includes a list of electronic devices paired with the first external electronic device. 13. The method of claim 12,
The list of paired electronic devices includes information on the second external electronic device,
The operation of connecting with a second external electronic device based on the set second Bluetooth address may include an operation of connecting with the second external electronic device using information of the second external electronic device based on the set second Bluetooth address. A method comprising 14. The method of claim 13,
The information of the second external electronic device includes at least one of a Bluetooth address of the second external electronic device, link key information, and a low energy (LE) key. 14. The method of claim 13,
The operation of connecting to the second external electronic device using the information of the second external electronic device based on the set second Bluetooth address may include connecting to the second external electronic device without pairing with the second external electronic device. A method comprising the action of: 12. The method of claim 11,
The operation of connecting to a second external electronic device based on the set second Bluetooth address includes an identifier (ID) packet transmitted by the second external electronic device to the first external electronic device using the second communication circuit. A method comprising the act of receiving 17. The method of claim 16,
When the second external electronic device indicated by the ID packet is included in the second connection information, the operation of connecting with a second external electronic device based on the set second Bluetooth address may be performed based on the second Bluetooth address. and connecting to the second external electronic device. 12. The method of claim 11,
The method further comprising transmitting first connection information including a first Bluetooth address of the electronic device to the first external electronic device. 17. The method of claim 16,
The method further comprising: terminating the connection with the first external electronic device after transmitting the first connection information and receiving the second connection information. 20. The method of claim 19,
The transmitting of the first connection information causes the first external electronic device to set the Bluetooth address of the first external electronic device as the first Bluetooth address.

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