WO2022228569A1 - Procédé et appareil permettant à un dispositif bluetooth de commander la transmission, et dispositif électronique - Google Patents

Procédé et appareil permettant à un dispositif bluetooth de commander la transmission, et dispositif électronique Download PDF

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Publication number
WO2022228569A1
WO2022228569A1 PCT/CN2022/090543 CN2022090543W WO2022228569A1 WO 2022228569 A1 WO2022228569 A1 WO 2022228569A1 CN 2022090543 W CN2022090543 W CN 2022090543W WO 2022228569 A1 WO2022228569 A1 WO 2022228569A1
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WIPO (PCT)
Prior art keywords
terminal
service
data transmission
target data
link
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PCT/CN2022/090543
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English (en)
Chinese (zh)
Inventor
包建全
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Oppo广东移动通信有限公司
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Publication of WO2022228569A1 publication Critical patent/WO2022228569A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/40—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by components specially adapted for near-field transmission
    • H04B5/48—Transceivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0069—Transmission or use of information for re-establishing the radio link in case of dual connectivity, e.g. decoupled uplink/downlink

Definitions

  • the present application relates to the technical field of electronic devices, and in particular, to a method and apparatus for controlling transmission of a Bluetooth device, an electronic device, and a computer-readable storage medium.
  • Bluetooth devices such as Bluetooth headsets and Bluetooth speakers
  • the current Bluetooth device has been able to connect multiple electronic devices at the same time. How to handle service switching of multiple electronic devices through a pair of Bluetooth headsets is currently a very important issue for user experience.
  • a method, apparatus, electronic device, and computer-readable storage medium for controlling transmission of a Bluetooth device are provided.
  • the switching delay between devices is low, and the switched device does not affect the connection between the other device and the Bluetooth device.
  • the business between devices improves the efficiency and quality of data transmission.
  • a method for controlling transmission of a bluetooth device, applied to a bluetooth device comprising:
  • the controlling the data reception of the link corresponding to the non-target data transmission terminal includes reducing the received data frequency of the corresponding link to the target frequency or disconnecting the corresponding SCO synchronous connection-oriented link;
  • a device for controlling transmission of a bluetooth device, applied to a bluetooth device comprising:
  • connection module for establishing physical connections with the first terminal and the second terminal respectively
  • a receiving module configured to receive a second service data transmission request sent by the second terminal when the first service data transmission is being performed with the first terminal
  • the switching connection module is used to determine the target data transmission terminal according to the priority of the first service and the second service, control the link data reception corresponding to the non-target data transmission terminal according to the service type corresponding to the non-target data transmission terminal, and keep the connection with the non-target data transmission terminal.
  • the physical connection of the data transmission terminal, the controlling the data reception of the link corresponding to the non-target data transmission terminal includes reducing the received data frequency of the corresponding link to the target frequency or disconnecting the corresponding SCO synchronous connection-oriented link;
  • An electronic device comprising a memory and one or more processors, the memory having computer-readable instructions stored therein, the computer-readable instructions, when executed by the processor, cause the one or more processors to execute The following steps:
  • the controlling the data reception of the link corresponding to the non-target data transmission terminal includes reducing the received data frequency of the corresponding link to the target frequency or disconnecting the corresponding SCO synchronous connection-oriented link;
  • One or more computer storage media storing computer-readable instructions that, when executed by one or more processors, cause the one or more processors to perform the following steps:
  • the controlling the data reception of the link corresponding to the non-target data transmission terminal includes reducing the received data frequency of the corresponding link to the target frequency or disconnecting the corresponding SCO synchronous connection-oriented link;
  • FIG. 1 is an application environment diagram of a method for a Bluetooth device to control transmission in one embodiment.
  • FIG. 2 is a block diagram of a partial structure of a mobile phone related to an electronic device provided in an embodiment.
  • FIG. 3 is a schematic flowchart of a method for a Bluetooth device to control transmission in one embodiment.
  • FIG. 4 is a schematic diagram of data interaction of a method for controlling transmission by a Bluetooth device in a specific embodiment.
  • FIG. 5 is a schematic diagram of data interaction of a method for controlling transmission by a Bluetooth device in another specific embodiment.
  • FIG. 6 is a schematic diagram of data interaction of a method for controlling transmission by a Bluetooth device in yet another specific embodiment.
  • FIG. 7 is a schematic diagram of data interaction of a method for controlling transmission by a Bluetooth device in another specific embodiment.
  • FIG. 8 is a schematic diagram of data interaction of a method for controlling transmission by a Bluetooth device in yet another specific embodiment.
  • FIG. 9 is a structural block diagram of an apparatus for controlling transmission by a Bluetooth device in one embodiment.
  • FIG. 10 is a block diagram of the internal structure of an electronic device in one embodiment.
  • FIG. 1 is a schematic diagram of an application environment of a method for controlling transmission by a Bluetooth device in one embodiment.
  • the application environment includes a Bluetooth device 102 , a first terminal 104 and a second terminal 106 .
  • the Bluetooth device 102 may communicate with the first terminal 104 and the second terminal 106 via Bluetooth.
  • the Bluetooth device 102 may be a Bluetooth headset (eg True Wirless stereo, TWS headset), a Bluetooth speaker, etc.
  • the first terminal 104 and the second terminal 106 may be a personal computer, a notebook computer, a smart phone, a tablet computer and a portable wearable device etc. are not limited to this.
  • FIG. 2 is a block diagram of a partial structure of a mobile phone related to the electronic device provided by the embodiment of the present application.
  • the mobile phone includes: a radio frequency (RF) circuit 210, a memory 220, an input unit 230, a display unit 240, a Bluetooth module 250, an audio circuit 260, a wireless fidelity (WIFI, WIFI) module 270, and a processor 280, and the power supply 290 and other components.
  • RF radio frequency
  • the Bluetooth module 250 supports the Bluetooth function.
  • Bluetooth technology is a radio technology that supports short-range communication between devices, and can conduct wireless information between various wireless terminal devices including smartphones, personal computers, notebook computers, tablet computers, portable wearable devices, wireless headsets, and wireless speakers. interact.
  • FIG. 3 is a flowchart of a method for a Bluetooth device to control transmission in one embodiment.
  • the method for controlling transmission by a Bluetooth device shown in FIG. 3 can be applied to the above-mentioned Bluetooth device 102, including:
  • Step 202 Establish physical connections with the first terminal and the second terminal respectively.
  • the Bluetooth device can establish a physical connection with the first terminal and the second terminal at the same time, that is, an ACL (Asynchronous Connectionless, asynchronous connectionless) connection.
  • ACL link is to send data packets in a direction, it supports both symmetric connection and asymmetric connection.
  • the established physical connections include the connection of the upper-layer protocol HFP (Hands-Free Profile) and the connection of the upper-layer protocol A2DP (Advanced Audio Distribution Profile, Bluetooth Audio Transmission Model Agreement).
  • HFP High-layer protocol
  • A2DP Advanced Audio Distribution Profile, Bluetooth Audio Transmission Model Agreement
  • the mentioned device refers to related Bluetooth devices, such as car Bluetooth, Bluetooth speakers, etc.
  • A2DP defines the protocols and procedures for transmitting high-quality audio information such as mono or stereo on the ACL channel.
  • Step 204 Receive a second service data transmission request sent by the second terminal when the first service data transmission is being performed with the first terminal.
  • the first service may be a call service, and the call service refers to the Bluetooth call protocol, that is, the service corresponding to the HFP protocol, such as making a phone call through a phone number, a real-time voice call in an application, and a video call in an application.
  • the first service may also be an audio service, and the audio service refers to a service corresponding to the Bluetooth audio protocol, that is, a service corresponding to the A2dp protocol, such as playing music or video.
  • the first service may also be other multimedia services.
  • the first terminal sends a service notification to the Bluetooth device through the corresponding physical connection, and when the Bluetooth device is idle, it returns the service notification to the first terminal, and performs the first service data according to the first service type corresponding to the first terminal. transmission.
  • the first service is a call service
  • the Bluetooth device establishes a SCO link with the first terminal, and performs service data transmission with the first terminal through the SCO link.
  • SCO Serial Connection Oriented
  • the second service data transmission request is used to request to perform second service data transmission with the Bluetooth device, indicating that the second terminal needs to preempt the Bluetooth device with the first terminal.
  • the second service data transmission request is used to request to transmit the second service data with the Bluetooth device, where the second service may be a call service, an audio service, or other multimedia services.
  • receiving the second service data transmission request sent by the second terminal includes: when the second service is a service corresponding to a Bluetooth call protocol, receiving a call connection instruction sent by the second terminal.
  • receiving the second service is a service corresponding to the Bluetooth audio protocol
  • a request for playing audio data sent by the second terminal is received.
  • the second service data transmission request has different forms. If the second terminal is performing a call service, which is a service corresponding to the Bluetooth call protocol, then the second terminal is connected. When a call request is received, a call connection instruction is generated and sent to the Bluetooth device. When the Bluetooth device receives the call connection instruction, it means that the second service data transmission request is received. If the second terminal is performing an audio service, which is a service corresponding to the Bluetooth audio protocol, when the second terminal needs to play audio data, it generates an audio data playback request and sends it to the Bluetooth device. The Bluetooth device receives the audio data playback request, that is, for receiving the second service data transmission request.
  • a call service which is a service corresponding to the Bluetooth call protocol
  • the audio data playback request may be generated when the audio data is played for the first time after the audio player is started, or may be generated when the audio data is played again after the audio data is paused.
  • Different services correspond to different service data transmission requests, and the Bluetooth device responds accordingly after identifying the service data transmission requests corresponding to different services.
  • Step 206 Determine the target data transmission terminal according to the priority of the first service and the second service, control the link data reception corresponding to the non-target data transmission terminal according to the service type corresponding to the non-target data transmission terminal, and keep the connection with the non-target data transmission terminal.
  • the physical connection of the non-target data transmission terminal to control the data reception of the link corresponding to the non-target data transmission terminal includes reducing the received data frequency of the corresponding link to the target frequency or disconnecting the corresponding SCO synchronous connection-oriented link.
  • the target data transmission terminal is the terminal that successfully preempts the Bluetooth device and communicates with the Bluetooth device normally.
  • the target data transmission terminal and the non-target data transmission terminal are respectively determined from the first terminal and the second terminal.
  • a terminal with a high service priority level is used as a target data transmission terminal
  • a terminal with a low service priority level is used as a non-target data transmission terminal.
  • the priorities between different services can be customized according to requirements. In one embodiment, the priority of the call service is higher than the priority of the audio service.
  • the corresponding target data transmission terminal is determined according to the sequence of service data transmission requests, and specific rules can be defined.
  • the terminal that sends the service data transmission request later serves as the target data transmission terminal, and can preempt the transmission service resources that are currently being transmitted.
  • a terminal corresponding to a service with a high priority level can preempt the use of the Bluetooth device by a terminal corresponding to a service with a low priority level.
  • the link data reception corresponding to the non-target data transmission terminal is controlled according to the service type corresponding to the non-target data transmission terminal.
  • the link data corresponding to the non-target data transmission terminal is controlled.
  • Reception is different.
  • the control method includes reducing the receiving data frequency of the corresponding link to the target frequency or disconnecting the corresponding SCO synchronous connection-oriented link, where the target frequency can be customized according to needs, and the receiving data frequency is reduced, thereby reducing the link to the Bluetooth.
  • the occupation of the device bandwidth does not affect the business between the target data transmission terminal and the Bluetooth device.
  • the application data of the first terminal will still be transmitted to the bluetooth device through the physical connection, and the bluetooth device will discard the service data sent by the first terminal, so the sound of the third-party application app will not be heard during the switching process and after the switching. There will be external playback, and it will not cause users the trouble of external playback.
  • the physical connection with the non-target data transmission terminal is maintained, so that the next handover does not need to be reconnected, and the handover efficiency is improved. It also ensures that the audio data of the non-target data transmission terminal is not released.
  • the corresponding SCO synchronous connection-oriented link is disconnected, the call data of the non-target data transmission terminal cannot be transmitted to the Bluetooth device, and the service data of the non-target data transmission terminal can be directly output from the microphone of the non-target data transmission terminal.
  • Step 208 perform service data transmission with the target data transmission terminal.
  • a matching mode is selected to perform service data transmission with the target data transmission terminal. If it is a call service, it is necessary to establish a SCO link with the target data transmission terminal, and perform service data transmission with the target data transmission terminal through the SCO link. If it is an audio service, the audio data stream of the target data transmission terminal is received, and the audio service data of the target data transmission terminal is output.
  • the Bluetooth device establishes a physical connection with the first terminal and the second terminal respectively; when the first service data transmission is being performed with the first terminal, the second service sent by the second terminal is received.
  • Data transmission request ; determine the target data transmission terminal according to the priority of the first service and the second service, control the link data reception corresponding to the non-target data transmission terminal according to the service type corresponding to the non-target data transmission terminal, and keep the non-target data transmission
  • the physical connection of the terminal, the control of the link data reception corresponding to the non-target data transmission terminal includes reducing the received data frequency of the corresponding link to the target frequency or disconnecting the corresponding SCO synchronous connection-oriented link;
  • the Bluetooth device supports one-to-two, it can automatically switch to use the Bluetooth device according to the business priority of the two terminals connected to it.
  • the two devices switch to use the Bluetooth device, both still maintain the physical connection with the Bluetooth device, and will establish the ACL with the non-target data transmission terminal.
  • the interaction frequency of the link is reduced, thereby reducing the bandwidth occupation of the Bluetooth device by the link, without affecting the business between the target data transmission terminal and the Bluetooth device, or disconnecting the corresponding SCO synchronous connection-oriented link, then the non-target data transmission
  • the call data of the terminal cannot be transmitted to the Bluetooth device, thereby avoiding the link to occupy the bandwidth of the Bluetooth device, without affecting the business between the target data transmission terminal and the Bluetooth device, and improving the efficiency and quality of data transmission.
  • determining the target data transmission terminal according to the priorities of the first service and the second service in step 206 includes: when the priorities of the first service and the second service are the same, determining that the second terminal is the target data transmission terminal A terminal, the first terminal is a non-target data transmission terminal.
  • the priority of the first service is higher than the priority of the second service, it is determined that the first terminal is a target data transmission terminal, and the second terminal is a non-target data transmission terminal.
  • the priority of the first service is lower than the priority of the second service, it is determined that the second terminal is a target data transmission terminal, and the first terminal is a non-target data transmission terminal.
  • the second terminal when the priority of the first service and the second service is the same, because the second terminal sends a service data transmission request later, it can preempt the ongoing first service data transmission and determine that the second terminal is the target data transmission terminal.
  • the second terminal when the first terminal is using a Bluetooth device to perform a call service, the second terminal generates a call service. If the user answers the call service of the second terminal, the second terminal sends a call service data transmission request to the Bluetooth device. Since the first service and the The priority of the second service is the same. It is determined that the second terminal is the target data transmission terminal and the first terminal is the non-target data transmission terminal, so as to switch the connection between the Bluetooth device and the terminal, maintain the physical connection with the first terminal, and disconnect the first terminal.
  • the SCO corresponding to the terminal synchronizes the connection-oriented link, and starts to perform service data transmission with the second terminal.
  • the second terminal when the first terminal is using the Bluetooth device to perform the audio service, and the second terminal generates the audio service, the second terminal sends the audio service data transmission request to the Bluetooth device. Since the priority of the first service and the second service is the same, the second terminal is determined
  • the terminal is a target data transmission terminal
  • the first terminal is a non-target data transmission terminal, which realizes the switching of the connection between the Bluetooth device and the terminal, maintains the physical connection with the first terminal, and reduces the received data frequency of the corresponding link of the first terminal to the target frequency. , and start service data transmission with the second terminal.
  • the second terminal when the first terminal is using a Bluetooth device for a call service, the second terminal generates an audio service. Since the call service is optimized at a higher level than the audio service, it is determined that the first terminal is the target data transmission terminal, and the second terminal is the non-target data transmission terminal. Therefore, the Bluetooth device maintains the call service of the first terminal, maintains the physical connection with the second terminal, and at the same time reduces the received data frequency of the link corresponding to the second terminal to the target frequency.
  • the second terminal when the first terminal is using the Bluetooth device to perform the audio service, the second terminal has a call service. Since the call service is optimized at a higher level than the audio service, the second terminal is determined to be the target data transmission terminal, and the first terminal is the non-target data transmission terminal. , realize the handover of the connection between the Bluetooth device and the terminal, maintain the physical connection with the first terminal, reduce the received data frequency of the corresponding link of the first terminal to the target frequency, and start service data transmission with the second terminal. After the second terminal preempts the Bluetooth device, because the priority of the call service is higher than that of the audio service, the audio service of the first terminal cannot be seized back to the Bluetooth device during the call.
  • the audio service is a service corresponding to the Bluetooth audio protocol
  • the call service is a service corresponding to the Bluetooth call protocol.
  • the target data transmission terminal and the non-target data transmission terminal are adaptively determined according to the priorities of the first service and the second service, and automatic switching can be realized subsequently, which is convenient and efficient. Users can customize the priority levels of different services, so as to flexibly switch between Bluetooth devices and terminal service transmission.
  • both the first service and the second service are services corresponding to the Bluetooth call protocol
  • step 206 includes: the first service and the second service have the same priority, then the second terminal is the target data transmission terminal, so The first terminal is a non-target data transmission terminal, and the SCO link with the first terminal is disconnected.
  • Step 208 includes: creating an SCO link with the second terminal, and performing service data transmission with the second terminal through the SCO link.
  • both the first service and the second service are services corresponding to the Bluetooth call protocol, and the first service and the second service have the same priority, so the second terminal is the target data transmission terminal, and the first terminal is the non-target data transmission terminal. terminal.
  • the Bluetooth device will disconnect the SCO link with the first terminal, so that the service data of the first terminal is directly output from the terminal microphone, while maintaining the physical connection with the first terminal, including the connection of the upper layer protocol HFP, if the first terminal supports For services corresponding to the Bluetooth audio protocol, the connection of the upper-layer protocol A2DP can also be maintained, the Bluetooth device will create a SCO link with the second terminal, and the call sound of the second terminal will be output from the Bluetooth device.
  • the terminal that performs the call service later can preempt the Bluetooth device, so that the call service data of the terminal that originally performed the call service can be output from the audio device of the terminal, and the call service data of the terminal that performs the call service later can be output from the terminal.
  • the call service data of the terminal is output by the Bluetooth device.
  • both the first service and the second service are services corresponding to the Bluetooth audio protocol
  • step 206 includes: the priority of the first service and the second service are the same, the second terminal is the target data transmission terminal, and the first service is the target data transmission terminal.
  • a terminal is a non-target data transmission terminal.
  • a data transmission suspension instruction is sent to the first terminal, the frequency of received data of the link corresponding to the first terminal is reduced to the target frequency, and the received data of the link corresponding to the first terminal is discarded.
  • Step 208 includes: receiving the audio data stream of the second terminal.
  • both the first service and the second service are services corresponding to the Bluetooth audio protocol, and the first service and the second service have the same priority, so the second terminal is the target data transmission terminal, and the first terminal is the non-target data transmission terminal. terminal.
  • the Bluetooth device first sends a data transmission pause instruction to the first terminal, and maintains the physical connection with the first terminal, including the connection of the upper-layer protocol A2DP. If the first terminal supports the service corresponding to the Bluetooth call protocol, it can also maintain the upper-layer protocol HFP connection At the same time, the frequency of receiving the audio data stream in the link of the first terminal is greatly reduced, that is, the transmission of audio data to the Bluetooth device by the first terminal is minimized, and the bandwidth occupation of the Bluetooth device by the first terminal is reduced.
  • a data transmission suspension instruction is sent to the first terminal, and if it is detected that the data transmission suspension is successful, that is, the data sent by the first terminal is not received, it is not necessary to reduce the frequency of receiving data of the link corresponding to the first terminal to target frequency. If it is detected that the data transmission suspension is unsuccessful, that is, the data sent by the first terminal is still received, the frequency of data received by the link corresponding to the first terminal is reduced to the target frequency, and further, the received data sent by the first terminal may be discarded .
  • the first terminal wants to take back the Bluetooth device at this time, the first terminal needs to pause and then play it again.
  • the Bluetooth device detects that the first terminal is playing again and resumes receiving the service data of the first terminal, and at the same time, the link of receiving the second terminal is greatly reduced. Medium audio data stream frequency. This situation is equivalent to that both the first service and the second service are services corresponding to the Bluetooth audio protocol.
  • the Bluetooth device When the Bluetooth device is transmitting the first service data with the second terminal, it receives the second service data transmission request sent by the first terminal. It is determined that the first terminal is a target data transmission terminal, and the second terminal is a non-target data transmission terminal.
  • the terminal that performs the audio service can preempt the Bluetooth device, so that the audio service data of the terminal that originally performed the audio service cannot be output using the Bluetooth device, and the terminal that performs the audio service later can Audio service data is output using a Bluetooth device.
  • the Bluetooth device will send a data transmission pause command to the non-target data transmission terminal. If the application of the non-target data transmission terminal can respond to the data transmission pause command, the data transmission will be suspended directly. If the data does not respond to the data transmission pause command, it will still be transmitted to the bluetooth device through the physical connection.
  • the bluetooth device can discard the service data sent by the first terminal, so the sound of the third-party application app will not appear during and after the switch. For external playback, the audio service data of the terminal that originally performed the audio service will not be externally played, which will not cause users the trouble of external playback.
  • the first service is a service corresponding to the Bluetooth audio protocol
  • the second service is a service corresponding to the Bluetooth call protocol.
  • Step 206 includes: the priority of the first service is lower than the priority of the second service, then the first service is The second terminal is a target data transmission terminal, and the first terminal is a non-target data transmission terminal. It sends a data transmission pause instruction to the first terminal, reduces the frequency of data received by the link corresponding to the first terminal to the target frequency, and discards the link corresponding to the first terminal. receive data on the channel.
  • Step 208 includes: creating an SCO link with the second terminal, and performing service data transmission with the second terminal through the SCO link.
  • the first service is a service corresponding to the Bluetooth audio protocol
  • the second service is a service corresponding to the Bluetooth call protocol
  • the second terminal is a target data transmission terminal
  • the first terminal is a non-target data transmission terminal.
  • the Bluetooth device first sends a data transmission pause instruction to the first terminal, and maintains the physical connection with the first terminal, including the connection of the upper-layer protocol A2DP. If the first terminal supports the service corresponding to the Bluetooth call protocol, it also needs to maintain the upper-layer protocol HFP connection At the same time, the frequency of receiving the audio data stream in the link of the first terminal is greatly reduced, that is, the transmission of audio data to the Bluetooth device by the first terminal is minimized, and the bandwidth occupation of the Bluetooth device by the first terminal is reduced.
  • the audio data is discarded and not played, so that the audio service is paused or silent.
  • the Bluetooth device will create a SCO link with the second terminal, and the call sound of the second terminal will be output from the Bluetooth device. After the second terminal preempts the Bluetooth headset, since the priority of the call service is higher than the priority of the audio service, the audio service of the first terminal can no longer seize the Bluetooth headset during the call.
  • a data transmission suspension instruction is sent to the first terminal, and if it is detected that the data transmission suspension is successful, that is, the data sent by the first terminal is not received, it is not necessary to reduce the frequency of receiving data of the link corresponding to the first terminal to target frequency. If it is detected that the data transmission suspension is unsuccessful, that is, the data sent by the first terminal is still received, the frequency of receiving data of the link corresponding to the first terminal is reduced to the target frequency.
  • the preemption of the Bluetooth device succeeds, so that the terminal that originally performed the audio service can Audio service data cannot be output by using the Bluetooth device, and the call service data of the terminal that performs the call service is output by using the Bluetooth device.
  • the Bluetooth device will send a data transmission pause command to the non-target data transmission terminal. If the application of the non-target data transmission terminal can respond to the data transmission pause command, the data transmission will be suspended directly.
  • the data will still be transmitted to the bluetooth device through the physical connection, and the bluetooth device will discard the business data sent by the non-target data transmission terminal, so the sound of the third-party application app will not appear during the switching process and after the switching.
  • the audio service data of the terminal of the service will not be broadcast, which will not cause users the trouble of broadcast.
  • the first service is a service corresponding to the Bluetooth call protocol
  • the second service is a service corresponding to the Bluetooth audio protocol.
  • Step 206 includes: the priority of the first service is higher than the priority of the second service, then the first service is One terminal is a target data transmission terminal, and the second terminal is a non-target data transmission terminal. It sends a data transmission pause instruction to the second terminal, reduces the frequency of receiving data of the link corresponding to the second terminal to the target frequency, and discards the link corresponding to the second terminal.
  • Step 208 includes: continuing to perform service data transmission with the first terminal through the original SCO link corresponding to the first terminal.
  • the first service is a service corresponding to the Bluetooth call protocol
  • the second service is a service corresponding to the Bluetooth audio protocol
  • the priority of the first service is higher than the priority of the second service
  • the first terminal is the target data transmission terminal.
  • the second terminal is a non-target data transmission terminal. Since the optimization level of the call service is higher than that of the audio service, the Bluetooth device maintains the call service of the first terminal, continues to transmit service data with the first terminal through the original SCO link corresponding to the first terminal, and maintains the physical connection with the second terminal.
  • a data transmission suspension instruction is sent to the second terminal, and if it is detected that the data transmission suspension is successful, that is, the data sent by the second terminal is not received, it is not necessary to reduce the frequency of receiving data of the link corresponding to the second terminal to target frequency. If it is detected that the data transmission suspension is unsuccessful, that is, the data sent by the second terminal is still received, the frequency of receiving data of the link corresponding to the second terminal is reduced to the target frequency.
  • the terminal that performs the audio service needs to preempt the connection between the terminal that performs the call service and the Bluetooth device, because the priority of the call service is higher than that of the audio service, the preemption of the Bluetooth device fails. Call service data continues to be output using the Bluetooth device.
  • the frequency of the received data of the link corresponding to the second terminal is reduced to the target frequency, and the received data of the link corresponding to the second terminal is discarded, so as to prevent the audio service data from being output from the Bluetooth device, even if the second terminal
  • the application data of the terminal will still be transmitted to the bluetooth device through the physical connection, and the bluetooth device will discard the service data sent by the first terminal, so even if a terminal preempts the bluetooth device, it will not affect the call service of the terminal that originally performed the call service.
  • the method further includes: when the transmission of the service data corresponding to the first terminal is completed, disconnecting the SCO link with the first terminal.
  • the receiving data frequency of the link corresponding to the second terminal is restored to the normal receiving frequency, and the audio data stream transmitted by the second terminal is received.
  • the normal operation of the call service is given priority.
  • the call service ends that is, when the transmission of the service data corresponding to the first terminal is completed
  • the SCO with the first terminal is disconnected. link, start to transmit the audio service corresponding to the second terminal, and restore the receiving data frequency of the link corresponding to the second terminal to the normal receiving frequency.
  • the second terminal does not respond to the pause after receiving the data transmission pause command, it can directly receive the first The audio data stream transmitted by the two terminals.
  • the second terminal can detect whether the receiving data frequency of the corresponding link has returned to the normal receiving frequency.
  • the audio data stream is retransmitted to the Bluetooth device.
  • a data re-reception instruction is also sent to the second terminal, and the data re-reception instruction is used to indicate that the second terminal can re-transmit data, If the second terminal has suspended data transmission after receiving the data transmission suspension instruction, it may trigger data retransmission according to the data re-reception instruction.
  • the Bluetooth device After receiving the audio data stream transmitted by the second terminal, the Bluetooth device outputs the audio service data of the second terminal, so that the audio service can be output through the Bluetooth device.
  • the low-priority service when the high-priority service is completed, the low-priority service can be automatically performed, and the data transmission of the link of the low-priority service can be restored, which is intelligent and convenient.
  • the method further includes: playing the service data.
  • the Bluetooth device can play the service data.
  • the service data can be the service data corresponding to the Bluetooth call protocol, such as call audio data, or the service corresponding to the Bluetooth audio protocol. data, such as music audio data.
  • the Bluetooth device after receiving the service data transmitted by the target data transmission terminal, the Bluetooth device can automatically play the data, thereby realizing the timely output of the service data from the Bluetooth device.
  • the method further includes: detecting the suspension result of the non-target data transmission terminal based on the data transmission suspension instruction, and if it is detected that the suspension is unsuccessful, reducing the frequency of receiving data of the link corresponding to the non-target data transmission terminal to the target data transmission terminal. frequency, discards the received data of the link corresponding to the non-target data transmission terminal.
  • the non-target data transmission terminal does not transmit service data to the Bluetooth device, it is determined that the suspension is successful, and if it is detected that the non-target data transmission terminal still has service data transmitted to the Bluetooth device, it is determined that the suspension is unsuccessful. Only if it is detected that the pause is unsuccessful, the received data frequency of the link corresponding to the non-target data transmission terminal will be reduced to the target frequency, and the received data of the link corresponding to the non-target data transmission terminal will be discarded. The transmission terminal does not transmit data to the Bluetooth device, and there is no need to reduce the received data frequency of the link corresponding to the non-target data transmission terminal to the target frequency.
  • a method for controlling transmission by a Bluetooth device wherein the Bluetooth device is a Bluetooth headset, and for different business scenarios, the following switching processes are performed respectively:
  • the Bluetooth device establishes a physical connection with the first terminal and the second terminal respectively;
  • the Bluetooth device is in an idle state
  • the first terminal has audio service or call service
  • the first terminal sends a service notification to the Bluetooth device, where the service notification is used to notify the Bluetooth device that there is a service that needs to be processed;
  • the Bluetooth device sends a reply service notification to the first terminal according to the received service notification, and the reply service notification is used to notify the first terminal to start transmitting service data;
  • the Bluetooth device starts to process the service data of the first terminal, performs service data transmission with the first terminal, and outputs the service data of the first terminal through the Bluetooth device.
  • the Bluetooth device establishes a physical connection with the first terminal and the second terminal respectively;
  • the Bluetooth device is in an idle state
  • the first terminal has a call service
  • the first terminal sends a service notification to the Bluetooth device, where the service notification is used to notify the Bluetooth device that there is a call service that needs to be processed;
  • the Bluetooth device receives the service notification, creates a SCO link with the first terminal, transmits service data with the first terminal through the SCO link, processes the call service of the first terminal, and outputs the call service data of the first terminal through the Bluetooth device;
  • the second terminal has a call service
  • the second terminal sends a service notification to the Bluetooth device.
  • the service notification is used to notify the Bluetooth device that a new call service exists.
  • the Bluetooth device can output the corresponding call reminder audio according to the received service notification, and compare the call reminder audio with the original first terminal's audio
  • the call service data is mixed and output, and the second terminal can also output the corresponding call reminder audio through the audio playback device;
  • the second terminal answers the call service
  • the second terminal notifies the Bluetooth device of the update of the answering state of the second terminal, that is, sends a call service data transmission request to the Bluetooth device;
  • the Bluetooth device disconnects the SCO link with the first terminal, and the call service data of the first terminal is output through the microphone;
  • the Bluetooth device establishes a SCO link with the second terminal, transmits service data with the second terminal through the SCO link, processes the call service of the second terminal, and outputs the call service data of the second terminal through the Bluetooth device.
  • the Bluetooth device establishes a physical connection with the first terminal and the second terminal respectively;
  • the Bluetooth device is in an idle state
  • the first terminal has an audio service
  • the first terminal sends a service notification to the Bluetooth device, where the service notification is used to notify the Bluetooth device that there is an audio service that needs to be processed;
  • the Bluetooth device sends a reply service notification to the first terminal according to the received service notification, and the reply service notification is used to notify the first terminal to start transmitting service data;
  • the Bluetooth device starts to process the audio service of the first terminal, performs service data transmission with the first terminal, and outputs the audio service data of the first terminal through the Bluetooth device;
  • the second terminal has an audio service
  • the second terminal sends a service notification to the Bluetooth device, that is, sends an audio service data transmission request;
  • the Bluetooth device sends a data transmission pause instruction to the first terminal, reduces the received data frequency of the link corresponding to the first terminal to the target frequency, discards the received data of the link corresponding to the first terminal, and the audio service of the first terminal is suspended or silent.
  • the first terminal suspends data transmission according to the received data transmission suspension instruction, and the audio service of the first terminal is suspended. If the first terminal does not respond to the data transmission suspension instruction, it still transmits the audio service data, because the Bluetooth device corresponds to the first terminal.
  • the received data of the link is discarded, and the audio service of the first terminal is silent at this time;
  • the Bluetooth device sends a reply service notification to the second terminal according to the received service notification, and the reply service notification is used to notify the second terminal to start transmitting service data;
  • the Bluetooth device starts to process the audio service of the second terminal, performs service data transmission with the second terminal, and outputs the audio service data of the second terminal through the Bluetooth device.
  • This scenario is similar to scenario 3 above, except that when the second terminal is using the Bluetooth headset, since the call priority of the second terminal is often higher than the audio, the first terminal will not grab the Bluetooth during the second terminal's call. earphone.
  • the Bluetooth device establishes a physical connection with the first terminal and the second terminal respectively;
  • the Bluetooth device is in an idle state
  • the first terminal has an audio service
  • the first terminal sends a service notification to the Bluetooth device, where the service notification is used to notify the Bluetooth device that there is an audio service that needs to be processed;
  • the Bluetooth device sends a reply service notification to the first terminal according to the received service notification, and the reply service notification is used to notify the first terminal to start transmitting service data;
  • the Bluetooth device starts to process the audio service of the first terminal, performs service data transmission with the first terminal, and outputs the audio service data of the first terminal through the Bluetooth device;
  • the second terminal has a call service
  • the second terminal sends a service notification, that is, a call service data transmission request, to the Bluetooth device;
  • the Bluetooth device sends a data transmission pause instruction to the first terminal, reduces the received data frequency of the link corresponding to the first terminal to the target frequency, discards the received data of the link corresponding to the first terminal, and the audio service of the first terminal is suspended or silent.
  • the first terminal suspends data transmission according to the received data transmission suspension instruction, and the audio service of the first terminal is suspended. If the first terminal does not respond to the data transmission suspension instruction, it still transmits the audio service data, because the Bluetooth device corresponds to the first terminal.
  • the received data of the link is discarded, and the audio service of the first terminal is silent at this time;
  • the Bluetooth device sends a reply service notification to the second terminal according to the received service notification, and the reply service notification is used to notify the second terminal to start transmitting service data;
  • the Bluetooth device starts to process the call service of the second terminal, performs service data transmission with the second terminal, and outputs the call service data of the second terminal through the Bluetooth device.
  • the Bluetooth device establishes a physical connection with the first terminal and the second terminal respectively;
  • the Bluetooth device is in an idle state
  • the first terminal has a call service
  • the first terminal sends a service notification to the Bluetooth device, where the service notification is used to notify the Bluetooth device that there is a call service that needs to be processed;
  • the Bluetooth device receives the service notification, creates a SCO link with the first terminal, transmits service data with the first terminal through the SCO link, processes the call service of the first terminal, and outputs the call service data of the first terminal through the Bluetooth device;
  • the second terminal has an audio service
  • the second terminal sends a service notification, that is, an audio service data transmission request, to the Bluetooth device;
  • the Bluetooth device replies the service notification to the second terminal, and sends a data transmission pause instruction to reduce the received data frequency of the link corresponding to the second terminal to the target frequency, discard the received data of the link corresponding to the second terminal, and the audio service of the second terminal Silence, because the audio service of the second terminal has not started at this time, so whether the audio service data is suspended or the audio service data is still transmitted, it belongs to the audio service silent, that is, the audio service data will not be played from the Bluetooth device;
  • the call service of the first terminal ends
  • the frequency of receiving data of the link corresponding to the second terminal is restored, a data re-reception instruction is sent to the second terminal, and the audio service of the second terminal is processed, and the audio service data of the second terminal is output through the Bluetooth device.
  • steps in the flowchart of FIG. 3 are sequentially displayed according to the arrows, these steps are not necessarily executed in the order indicated by the arrows. Unless explicitly stated herein, the execution of these steps is not strictly limited to the order, and these steps may be performed in other orders. Moreover, at least a part of the steps in FIG. 3 may include multiple sub-steps or multiple stages. These sub-steps or stages are not necessarily executed at the same time, but may be executed at different times. The execution of these sub-steps or stages The sequence is also not necessarily sequential, but may be performed alternately or alternately with other steps or sub-steps of other steps or at least a portion of a phase.
  • FIG. 9 is a structural block diagram of an apparatus 600 for controlling transmission by a Bluetooth device according to an embodiment.
  • an apparatus 600 for controlling transmission of a Bluetooth device, applied to a Bluetooth device includes: a connection module 602 , a receiving module 604 , a switching connection module 606 and a data transmission module 608 . in:
  • the connection module 602 is configured to establish a physical connection with the first terminal and the second terminal respectively.
  • the receiving module 604 is configured to receive a second service data transmission request sent by the second terminal when the first service data transmission is being performed with the first terminal.
  • the switching connection module 606 is configured to determine the target data transmission terminal according to the priority of the first service and the second service, control the link data reception corresponding to the non-target data transmission terminal according to the service type corresponding to the non-target data transmission terminal, and keep the The physical connection of the target data transmission terminal, the controlling the data reception of the link corresponding to the non-target data transmission terminal includes reducing the received data frequency of the corresponding link to the target frequency or disconnecting the corresponding SCO synchronous connection-oriented link.
  • the data transmission module 608 is used to transmit service data with the target data transmission terminal.
  • the device 600 for controlling transmission by a Bluetooth device in this implementation, the Bluetooth device establishes a physical connection with the first terminal and the second terminal respectively; when the first service data transmission is being performed with the first terminal, the Bluetooth device receives the first data sent by the second terminal.
  • Service data transmission request ; determine the target data transmission terminal according to the priority of the first service and the second service, control the link data reception corresponding to the non-target data transmission terminal according to the service type corresponding to the non-target data transmission terminal, and keep the connection with the non-target data transmission terminal.
  • the physical connection of the data transmission terminal, the control method includes reducing the receiving data frequency of the corresponding link to the target frequency or disconnecting the corresponding SCO synchronous connection-oriented link; carrying out service data transmission with the target data transmission terminal, and supporting a bluetooth device.
  • dragging the second it can automatically switch to use the Bluetooth device according to the business priority of the two terminals connected to it.
  • the physical connection between the two terminals and the Bluetooth device does not need to be disconnected and reconnected, thus improving the switching speed.
  • the switching delay between devices is low.
  • the switching connection module 606 is further configured to determine that the second terminal is a target data transmission terminal and the first terminal is a non-target data transmission terminal when the priorities of the first service and the second service are the same; When the priority of one service is higher than the priority of the second service, determine that the first terminal is the target data transmission terminal, and the second terminal is the non-target data transmission terminal; when the priority of the first service is lower than the priority of the second service At the time, it is determined that the second terminal is a target data transmission terminal, and the first terminal is a non-target data transmission terminal.
  • the device 600 for controlling transmission by a Bluetooth device in this embodiment adaptively determines the target data transmission terminal and the non-target data transmission terminal according to the priorities of the first service and the second service, and can automatically switch from time to time, which is convenient and efficient. Users can customize the priority levels of different services, so as to flexibly switch between Bluetooth devices and terminal service transmission.
  • both the first service and the second service are services corresponding to the Bluetooth call protocol
  • the switching connection module 606 is also used for the first service and the second service to have the same priority
  • the second terminal is the target data transmission
  • the first terminal is a non-target data transmission terminal, and disconnects the SCO link with the first terminal
  • the data transmission module 608 is also used to create a SCO link with the second terminal, and conduct service data with the second terminal through the SCO link. transmission.
  • the terminal that performs the call service can preempt the Bluetooth device, so that the call service data of the terminal that originally performed the call service is released from the terminal.
  • the device outputs, and then the call service data of the terminal that performs the call service is output using the Bluetooth device.
  • both the first service and the second service are services corresponding to the Bluetooth audio protocol
  • the switching connection module 606 is also used for the first service and the second service to have the same priority
  • the second terminal is the target data transmission A terminal, where the first terminal is a non-target data transmission terminal, sends a data transmission pause instruction to the first terminal, reduces the frequency of received data of the link corresponding to the first terminal to the target frequency, and discards the received data of the link corresponding to the first terminal
  • the data transmission module 608 is further configured to receive the audio data stream of the second terminal.
  • the terminal that performs the audio service can preempt the Bluetooth device, so that the audio service data of the terminal that originally performed the audio service cannot be output using the Bluetooth device, and the terminal that performs the audio service later can Audio service data is output using a Bluetooth device.
  • the application data of the first terminal will still be transmitted to the bluetooth device through the physical connection, and the bluetooth device will discard the service data sent by the first terminal. There will be no external playback, and the audio service data of the terminal that originally performed the audio service will not be externally played, so that the user will not be troubled by the external playback.
  • the first service is a service corresponding to the Bluetooth audio protocol
  • the second service is a service corresponding to the Bluetooth call protocol
  • the switching connection module 606 is also used for the priority of the first service to be lower than the priority of the second service
  • the second terminal is the target data transmission terminal
  • the first terminal is the non-target data transmission terminal
  • sends a data transmission pause instruction to the first terminal reduces the received data frequency of the link corresponding to the first terminal to the target frequency
  • the terminal corresponds to the received data of the link.
  • the data transmission module 608 is further configured to create a SCO link with the second terminal, and perform service data transmission with the second terminal through the SCO link.
  • the terminal that performs the call service needs to preempt the connection between the terminal that performs the audio service and the Bluetooth device, because the priority of the call service is higher than that of the audio service, the preemption of the Bluetooth device succeeds, so that the terminal that originally performed the audio service can Audio service data cannot be output by using the Bluetooth device, and the call service data of the terminal that performs the call service is output by using the Bluetooth device.
  • the application data of the first terminal will still be transmitted to the bluetooth device through the physical connection, and the bluetooth device will discard the service data sent by the first terminal. There will be no external playback, and the audio service data of the terminal that originally performed the audio service will not be externally played, so that the user will not be troubled by the external playback.
  • the first service is a service corresponding to the Bluetooth call protocol
  • the second service is a service corresponding to the Bluetooth audio protocol
  • the switching connection module 606 is also used for the priority of the first service to be higher than the priority of the second service
  • the first terminal is a target data transmission terminal
  • the second terminal is a non-target data transmission terminal.
  • the terminal corresponds to the received data of the link.
  • the data transmission module 608 is further configured to continue to perform service data transmission with the first terminal through the original SCO link corresponding to the first terminal.
  • the terminal that performs the audio service needs to preempt the connection between the terminal that performs the call service and the Bluetooth device, because the priority of the call service is higher than that of the audio service, the preemption of the Bluetooth device fails. Call service data continues to be output using the Bluetooth device.
  • the frequency of the received data of the link corresponding to the second terminal is reduced to the target frequency, and the received data of the link corresponding to the second terminal is discarded, so as to prevent the audio service data from being output from the Bluetooth device, even if the second terminal
  • the application data of the terminal will still be transmitted to the bluetooth device through the physical connection, and the bluetooth device will discard the service data sent by the first terminal, so even if a terminal preempts the bluetooth device, it will not affect the call service of the terminal that originally performed the call service.
  • the switching connection module 606 is further configured to disconnect the SCO link with the first terminal when the service data corresponding to the first terminal is transmitted; restore the reception of the link corresponding to the second terminal The data frequency reaches the normal receiving frequency, sends a data re-receiving instruction to the second terminal, and receives the audio data stream transmitted by the second terminal according to the data re-receiving instruction.
  • the low-priority service when the high-priority service is completed, the low-priority service can be automatically performed, and the data transmission of the link of the low-priority service can be restored, which is intelligent and convenient.
  • the switching connection module 606 is further configured to detect the suspension result of the non-target data transmission terminal based on the data transmission suspension instruction. Reduce to the target frequency and discard the received data of the link corresponding to the non-target data transmission terminal.
  • the device further includes:
  • the playing module 610 is used for playing service data.
  • the Bluetooth device after receiving the service data transmitted by the target data transmission terminal, the Bluetooth device can automatically play the data, thereby realizing the timely output of the service data from the Bluetooth device.
  • the receiving module 604 is further configured to receive a call connection instruction sent by the second terminal when the second service is a service corresponding to the Bluetooth call protocol; when the second service is a service corresponding to the Bluetooth audio protocol, receive the first call connection instruction.
  • different services correspond to different service data transmission requests
  • the Bluetooth device responds accordingly after identifying the service data transmission requests corresponding to different services.
  • Each module in the above-mentioned device for controlling transmission by a Bluetooth device may be implemented in whole or in part by software, hardware, and combinations thereof.
  • the above modules can be embedded in or independent of the processor in the computer device in the form of hardware, or stored in the memory in the computer device in the form of software, so that the processor can call and execute the operations corresponding to the above modules.
  • FIG. 10 is a schematic diagram of the internal structure of an electronic device in one embodiment.
  • the electronic device includes a processor, a memory and a Bluetooth module connected through a system bus.
  • the processor is used to provide computing and control capabilities to support the operation of the entire electronic device.
  • the memory may include non-volatile storage media and internal memory.
  • the non-volatile storage medium stores an operating system and computer-readable instructions.
  • the computer-readable instructions can be executed by the processor to implement the method for controlling transmission of a Bluetooth device provided by the above embodiments.
  • Internal memory provides a cached execution environment for operating system computer-readable instructions in a non-volatile storage medium.
  • the electronic device may be a mobile phone, a TV, or the like.
  • each module in the apparatus for controlling transmission of a Bluetooth device provided in the embodiments of the present application may be in the form of computer-readable instructions.
  • the computer readable instructions can be executed on a terminal or server.
  • the program modules constituted by the computer readable instructions may be stored on the memory of the terminal or server.
  • An electronic device includes a memory and one or more processors, the memory stores computer-readable instructions, and one or more non-volatile storage media stores computer-readable instructions, the computer-readable instructions are stored by one or more non-volatile storage media.
  • processors When executed by each processor, one or more processors are made to implement the steps of the method for controlling transmission by a Bluetooth device provided in any one of the embodiments of the present application.
  • Embodiments of the present application also provide a computer-readable storage medium.
  • One or more non-volatile computer-readable storage media containing computer-executable instructions that, when executed by one or more processors, cause the processors to perform a method of controlling a transmission by a Bluetooth device step.
  • Nonvolatile memory may include read only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM), or flash memory.
  • Volatile memory may include random access memory (RAM), which acts as external cache memory.
  • RAM is available in various forms such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate SDRAM (DDR SDRAM), enhanced SDRAM (ESDRAM), synchronous Link (Synchlink) DRAM (SLDRAM), Memory Bus (Rambus) Direct RAM (RDRAM), Direct Memory Bus Dynamic RAM (DRDRAM), and Memory Bus Dynamic RAM (RDRAM).
  • SRAM static RAM
  • DRAM dynamic RAM
  • SDRAM synchronous DRAM
  • DDR SDRAM double data rate SDRAM
  • ESDRAM enhanced SDRAM
  • SLDRAM synchronous Link (Synchlink) DRAM
  • SLDRAM synchronous Link (Synchlink) DRAM
  • Memory Bus Radbus
  • RDRAM Direct RAM
  • DRAM Direct Memory Bus Dynamic RAM
  • RDRAM Memory Bus Dynamic RAM

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Abstract

L'invention concerne un procédé permettant à un dispositif Bluetooth de commander une transmission, ledit procédé étant appliqué au dispositif Bluetooth et consistant à : établir une connexion physique avec un premier terminal et un second terminal (202) ; lors de l'exécution d'une première transmission de données de service avec le premier terminal, recevoir une seconde demande de transmission de données de service envoyée par le second terminal (204) ; déterminer un terminal de transmission de données cible en fonction de la priorité du premier service et du second service, commander, selon un type de service correspondant à un terminal de transmission de données non cible, la réception de données de liaison correspondant au terminal de transmission de données non cible, et maintenir la connexion physique avec le terminal de transmission de données non cible, le mode de commande consistant à réduire la fréquence de réception de données de la liaison correspondante à une fréquence cible ou à déconnecter la liaison orientée connexion synchrone (SCO) correspondante (206) ; et effectuer une transmission de données de service avec le terminal de transmission de données cible (208).
PCT/CN2022/090543 2021-04-30 2022-04-29 Procédé et appareil permettant à un dispositif bluetooth de commander la transmission, et dispositif électronique WO2022228569A1 (fr)

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CN112399396A (zh) * 2021-01-19 2021-02-23 深圳市汇顶科技股份有限公司 一种蓝牙连接切换方法、蓝牙芯片以及蓝牙设备

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