WO2021244175A1 - Procédé et appareil de commutation de radiofréquence - Google Patents

Procédé et appareil de commutation de radiofréquence Download PDF

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Publication number
WO2021244175A1
WO2021244175A1 PCT/CN2021/088780 CN2021088780W WO2021244175A1 WO 2021244175 A1 WO2021244175 A1 WO 2021244175A1 CN 2021088780 W CN2021088780 W CN 2021088780W WO 2021244175 A1 WO2021244175 A1 WO 2021244175A1
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WIPO (PCT)
Prior art keywords
sim card
protocol stack
protocol
radio frequency
tmsi
Prior art date
Application number
PCT/CN2021/088780
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English (en)
Chinese (zh)
Inventor
陈智颖
Original Assignee
Oppo广东移动通信有限公司
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Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Publication of WO2021244175A1 publication Critical patent/WO2021244175A1/fr

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    • 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
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/005—Transmission of information for alerting of incoming communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • This application relates to the field of electronic technology, and in particular to a radio frequency switching method and device.
  • SIM subscriber identity module
  • the embodiments of the present application provide a radio frequency switching method and device.
  • an embodiment of the present application provides a radio frequency switching method, which is applied to an electronic device, the electronic device includes a first SIM card, a second SIM card, and a mobile radio frequency module; the method includes:
  • a first protocol stack receives a paging message of the second SIM card, where the first protocol stack is a protocol stack of the first SIM card;
  • the first protocol stack notifies the second protocol stack that the second SIM card has an incoming call, and the second protocol stack is the protocol stack of the second SIM card;
  • the second protocol stack performs a first radio frequency switching operation, and the first radio frequency switching operation is used to switch the mobile radio frequency module from a communication connection with the first SIM card to a communication connection with the second SIM card.
  • an embodiment of the present application provides a radio frequency switching device, which is applied to an electronic device.
  • the electronic device includes a first SIM card, a second SIM card, a first protocol stack of the first SIM card, and a second SIM card.
  • the second protocol stack of the card and the mobile radio frequency module; the device includes:
  • a first protocol stack configured to receive a paging message of the second SIM card, and the first protocol stack is a protocol stack of the first SIM card;
  • the first protocol stack is configured to notify a second protocol stack that the second SIM card has an incoming call, and the second protocol stack is the protocol stack of the second SIM card;
  • the second protocol stack is used to perform a first radio frequency switching operation, and the first radio frequency switching operation is used to switch the mobile radio frequency module from communicating with the first SIM card to communicating with the second SIM card Communication connection.
  • an embodiment of the present application provides an electronic device, including a processor, a memory, a communication interface, and one or more programs, wherein the one or more programs are stored in the memory and configured to be processed by the above
  • the above-mentioned program includes instructions for executing the steps in any method of the first aspect of the embodiments of the present application.
  • an embodiment of the present application provides a computer-readable storage medium, wherein the foregoing computer-readable storage medium stores a computer program for electronic data exchange, wherein the foregoing computer program enables a computer to execute In one aspect, part or all of the steps described in any method.
  • the embodiments of the present application provide a computer program product, wherein the above-mentioned computer program product includes a non-transitory computer-readable storage medium storing a computer program, and the above-mentioned computer program is operable to cause a computer to execute as implemented in this application.
  • the computer program product may be a software installation package.
  • the current mobile radio frequency module is in communication with the first SIM card, and the first protocol stack of the first SIM card informs the second SIM card when it receives a paging message from the second SIM card
  • the second protocol stack has an incoming call from the second SIM card, and the second protocol stack performs radio frequency switching, so that the mobile radio frequency module switches from the communication connection with the first SIM card to the communication connection with the second SIM card.
  • FIG. 1 is a schematic structural diagram of an electronic device provided by an embodiment of the present application.
  • Figure 2 is a schematic structural diagram of a modem provided by an embodiment of the present application.
  • FIG. 3 is a schematic diagram of the software structure of an electronic device provided by an embodiment of the present application.
  • FIG. 4 is a schematic flowchart of a radio frequency switching method provided by an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a radio frequency switching device provided by an embodiment of the present application.
  • the electronic device may be a portable electronic device that also contains other functions such as a personal digital assistant and/or a music player function, such as a mobile phone, a tablet computer, a wearable electronic device with wireless communication function (such as a smart watch), and so on.
  • portable electronic devices include, but are not limited to, portable electronic devices equipped with IOS system, Android system, Microsoft system or other operating systems.
  • the aforementioned portable electronic device may also be other portable electronic devices, such as a laptop computer (Laptop) and the like. It should also be understood that, in some other embodiments, the above-mentioned electronic device may not be a portable electronic device, but a desktop computer.
  • FIG. 1 shows a schematic structural diagram of an electronic device.
  • the electronic device may include a processor 110, an electronic switch 120, two SIM card slots 130, a sensor module 140, an audio module 150, a speaker 150A, a receiver 150B, a microphone 150C, a headphone interface 150D, a display screen 160, an internal memory 170, and an external memory Interface 180, universal serial bus (USB) interface 190, charging management module 200, power management module 200A, battery 200B, camera 210, modem 220, mobile radio frequency module 230, and radio frequency module 240, etc.
  • USB universal serial bus
  • the structure illustrated in the embodiment of the present application does not constitute a specific limitation on the electronic device 100.
  • the electronic device 100 may include more or fewer components than shown, or combine certain components, or split certain components, or arrange different components.
  • the illustrated components can be implemented in hardware, software, or a combination of software and hardware.
  • the processor 110 may include one or more processing units.
  • the processor 110 may include an application processor (AP), a modem processor, a graphics processing unit (GPU), and an image signal processor. (image signal processor, ISP), controller, video codec, digital signal processor (digital signal processor, DSP), baseband processor, and/or neural-network processing unit (NPU), etc.
  • different processing units may be independent components, or may be integrated in one or more processors.
  • the electronic device 101 may also include one or more processors 110.
  • the controller can generate operation control signals according to the instruction operation code and timing signals to complete the control of fetching instructions and executing instructions.
  • a memory may be provided in the processor 110 to store instructions and data.
  • the memory in the processor 110 may be a cache memory.
  • the memory can store instructions or data that have just been used or recycled by the processor 110. If the processor 110 needs to use the instruction or data again, it can be directly called from the memory. In this way, repeated accesses are avoided, the waiting time of the processor 110 is reduced, and the efficiency of the electronic device 101 in processing data or executing instructions is improved.
  • the electronic switch 120 is used to determine which SIM card is in communication with the radio frequency unit.
  • the SIM card slot 130 is used to place a SIM card.
  • the sensor module 140 may include a pressure sensor, a gyroscope sensor, an air pressure sensor, a magnetic sensor, an acceleration sensor, a distance sensor, a proximity light sensor, a fingerprint sensor, a temperature sensor, a touch sensor, an ambient light sensor, a bone conduction sensor, etc.
  • the pressure sensor is used to sense the pressure signal and can convert the pressure signal into an electrical signal.
  • the pressure sensor may be provided on the display screen 160.
  • the capacitive pressure sensor may include at least two parallel plates with conductive materials. When a force is applied to the pressure sensor, the capacitance between the electrodes changes. The electronic device determines the strength of the pressure based on the change in capacitance. When a touch operation acts on the display screen 160, the electronic device detects the intensity of the touch operation according to the pressure sensor. The electronic device can also calculate the touched position based on the detection signal of the pressure sensor.
  • touch operations that act on the same touch position but have different touch operation intensities can correspond to different operation instructions. For example: when a touch operation whose intensity is less than the first pressure threshold is applied to the short message application icon, an instruction to view the short message is executed. When a touch operation with a touch operation intensity greater than or equal to the first pressure threshold acts on the short message application icon, an instruction to create a new short message is executed.
  • the gyroscope sensor can be used to determine the movement posture of the electronic device.
  • the angular velocity of the electronic device around three axes can be determined by the gyroscope sensor.
  • the gyroscope sensor can be used for shooting anti-shake. Exemplarily, when the shutter is pressed, the gyroscope sensor detects the angle of the shake of the electronic device, and calculates the distance that the lens module needs to compensate according to the angle, and allows the lens to counteract the shake of the electronic device through a reverse movement to achieve anti-shake.
  • the gyroscope sensor can also be used for navigation and somatosensory game scenes.
  • the acceleration sensor can detect the magnitude of the acceleration of the electronic device in various directions (usually three axes). When the electronic device is stationary, the magnitude and direction of gravity can be detected. It can also be used to identify the posture of electronic devices, and be used in applications such as horizontal and vertical screen switching, pedometers and so on.
  • the ambient light sensor is used to sense the brightness of the ambient light.
  • the electronic device can adaptively adjust the brightness of the display screen 160 according to the perceived brightness of the ambient light.
  • the ambient light sensor can also be used to automatically adjust the white balance when taking pictures.
  • the ambient light sensor can also cooperate with the proximity light sensor to detect whether the electronic device is in the pocket to prevent accidental touch.
  • the fingerprint sensor is used to collect fingerprints. Electronic devices can use the collected fingerprint characteristics to unlock fingerprints, access application locks, take photos with fingerprints, and answer calls with fingerprints.
  • the temperature sensor is used to detect temperature.
  • the electronic device uses the temperature detected by the temperature sensor to execute the temperature processing strategy. For example, when the temperature reported by the temperature sensor exceeds a threshold value, the electronic device performs a reduction in the performance of a processor located near the temperature sensor, so as to reduce power consumption and implement thermal protection.
  • the electronic device when the temperature is lower than another threshold, the electronic device heats the battery 200B to avoid abnormal shutdown of the electronic device due to low temperature.
  • the electronic device 100 boosts the output voltage of the battery 200B to avoid abnormal shutdown caused by low temperature.
  • the touch sensor also called “touch panel”.
  • the touch sensor may be arranged on the display screen 160, and the touch screen is composed of the touch sensor and the display screen 160, which is also called a “touch screen”.
  • the touch sensor is used to detect touch operations acting on or near it.
  • the touch sensor can pass the detected touch operation to the application processor to determine the type of touch event.
  • the visual output related to the touch operation can be provided through the display screen 160.
  • the touch sensor may also be disposed on the surface of the electronic device, which is different from the position of the display screen 160.
  • the display screen 160 is used to display images, videos, and the like.
  • the display screen 160 includes a display panel.
  • the display panel can adopt liquid crystal display (LCD), organic light-emitting diode (OLED), active-matrix organic light-emitting diode or active-matrix organic light-emitting diode (active-matrix organic light-emitting diode).
  • LCD liquid crystal display
  • OLED organic light-emitting diode
  • active-matrix organic light-emitting diode active-matrix organic light-emitting diode
  • AMOLED flexible light-emitting diode
  • FLED flexible light-emitting diode
  • mini light-emitting diode miniled
  • MicroLed Micro-oLed
  • quantum dot light emitting diode QLED
  • the electronic device may include one or more display screens 160.
  • the internal memory 170 may be used to store one or more computer programs, and the one or more computer programs include instructions.
  • the processor 110 can execute the above-mentioned instructions stored in the internal memory 170 to enable the electronic device to execute the radio frequency switching method provided in some embodiments of the present application, as well as various applications and data processing.
  • the internal memory 170 may include a storage program area and a storage data area. Among them, the storage program area can store the operating system; the storage program area can also store one or more applications (such as photo galleries, contacts, etc.).
  • the data storage area can store data (such as photos, contacts, etc.) created during the use of the electronic device.
  • the internal memory 170 may include a high-speed random access memory, and may also include a non-volatile memory, such as one or more disk storage components, flash memory components, universal flash storage (UFS), and the like.
  • the processor 110 may execute the instructions stored in the internal memory 170 and/or the instructions stored in the memory provided in the processor 110 to cause the electronic device to execute the radio frequency provided in the embodiments of the present application. Switching method, and other applications and data processing.
  • the external memory interface 180 may be used to connect an external memory card, such as a Micro SD card, to expand the storage capacity of the electronic device.
  • the external memory card communicates with the processor 110 through the external memory interface 180 to realize the data storage function. For example, save music, video and other files in an external memory card.
  • the USB interface 190 is an interface that complies with the USB standard specifications, and specifically may be a Mini USB interface, a Micro USB interface, a USB Type C interface, and the like.
  • the USB interface 190 can be used to connect a charger to charge the electronic device, and can also be used to transfer data between the electronic device and the peripheral device.
  • the USB interface 190 can also be used to connect earphones and play audio through the earphones.
  • the charging management module 200 is used to receive charging input from the charger.
  • the charger can be a wireless charger or a wired charger.
  • the charging management module 200 may receive the charging input of the wired charger through the USB interface 190.
  • the charging management module 200 may receive the wireless charging input through the wireless charging coil of the electronic device. While the charging management module 200 charges the battery 200B, it can also supply power to the electronic device through the power management module 200A.
  • the power management module 200A is used to connect the battery 200B, the charging management module 200A and the processor 110.
  • the power management module 200A receives input from the battery 200B and/or the charging management module 200, and supplies power to the processor 110, the internal memory 170, the display screen 160, the camera 210, and the like.
  • the power management module 200A can also be used to monitor parameters such as battery capacity, battery cycle times, and battery health status (leakage, impedance).
  • the power management module 200A may also be provided in the processor 110.
  • the power management module 200A and the charging management module 200 may also be provided in the same device.
  • the camera 210 is used to capture still images or videos.
  • the object generates an optical image through the lens and is projected to the photosensitive element.
  • the photosensitive element may be a charge coupled device (CCD) or a complementary metal-oxide-semiconductor (CMOS) phototransistor.
  • the electronic device may include one or more cameras 210.
  • the wireless communication function of the electronic device can be realized by the antenna 1, the antenna 2, the mobile radio frequency module 230, the radio frequency module 240, the modem 220, the processor 110, and the like.
  • the antenna 1 and the antenna 2 are used to transmit and receive electromagnetic wave signals.
  • Each antenna in an electronic device can be used to cover a single or multiple communication frequency bands. Different antennas can also be reused to improve antenna utilization.
  • antenna 1 can be multiplexed as a diversity antenna of a wireless local area network.
  • the antenna can be used in combination with a tuning switch.
  • the mobile radio frequency module 230 can provide a wireless communication solution including 2G/3G/4G/5G and the like applied to the electronic device 100.
  • the mobile radio module 230 may include at least one filter, switch, power amplifier, low noise amplifier (LNA), and so on.
  • the mobile radio module 230 can receive electromagnetic waves from the antenna 1, filter and amplify the received electromagnetic waves, transmit them to the modem for demodulation, and finally send the processed signals to the processor 110.
  • the mobile radio module 230 can also receive the signal to be sent from the processor 110, transmit it to the modem for modulation, and finally amplify the modem modulated signal, and convert it into electromagnetic waves through the antenna 1 and radiate it out.
  • At least part of the functional modules of the mobile radio frequency module 230 may be provided in the processor 110. In some embodiments, at least part of the functional modules of the mobile radio frequency module 230 and at least part of the modules of the processor 110 may be provided in the same device.
  • the radio frequency module 240 can provide applications on the electronic device 100 including wireless local area networks (WLAN) (such as wireless fidelity (Wi-Fi) networks), bluetooth (BT), and global navigation. Satellite system (global navigation satellite system, GNSS), frequency modulation (frequency modulation, FM), near field communication technology (near field communication, NFC), infrared technology (infrared, IR) and other wireless communication solutions.
  • the radio frequency module 240 may be one or more devices integrating at least one communication processing module.
  • the radio frequency module 240 receives electromagnetic waves via the antenna 2, frequency modulates and filters the electromagnetic wave signals, and sends the processed signals to the processor 110.
  • the radio frequency module 240 can also receive the signal to be sent from the processor 110, perform frequency modulation, amplify, and convert it into electromagnetic waves to radiate through the antenna 2.
  • Figure 2 shows a schematic structural diagram of a modem.
  • the modem includes a first protocol stack of a first SIM card set in a SIM card slot and a second protocol stack of a second SIM card set in another SIM card slot. Both the first protocol stack and the second protocol stack are modem protocol stacks.
  • the first protocol stack supports 5G new radio (NR) protocol, Long Term Evolution (LTE) protocol, wideband code division multiple access (WSDMA) protocol, and time division synchronized code division multiple access (time One of the division-synchronous code division multiple access (TD-SCDMA) protocol, code division multiple access (CDMA) protocol, and the global system for mobile communications (GSM).
  • the second protocol stack supports one of 5G NR protocol, LTE protocol, WSDMA protocol, TD-SCDMA protocol, CDMA protocol, and GSM.
  • FIG. 3 shows a block diagram of the software structure of the electronic device.
  • the layered architecture divides the software into several layers, and each layer has a clear role and division of labor. Communication between layers through software interface.
  • the Android system is divided into four layers, from top to bottom, the application layer, the application framework layer, the Android runtime and system library, and the kernel layer.
  • the application layer can include a series of application packages.
  • the application package can include applications such as camera, gallery, calendar, call, map, navigation, WLAN, Bluetooth, music, video, short message, etc.
  • the application framework layer provides an application programming interface (application programming interface, API) and a programming framework for applications in the application layer.
  • the application framework layer includes some predefined functions.
  • the application framework layer can include a window manager, a content provider, a view system, a phone manager, a resource manager, and a notification manager.
  • the window manager is used to manage window programs.
  • the window manager can obtain the size of the display screen, determine whether there is a status bar, lock the screen, take a screenshot, etc.
  • the content provider is used to store and retrieve data and make these data accessible to applications.
  • the data may include video, image, audio, phone calls made and received, browsing history and bookmarks, phone book, etc.
  • the view system includes visual controls, such as controls that display text, controls that display pictures, and so on.
  • the view system can be used to build applications.
  • the display interface can be composed of one or more views.
  • a display interface that includes a short message notification icon may include a view that displays text and a view that displays pictures.
  • the phone manager is used to provide the communication function of the electronic device. For example, the management of the call status (including connecting, hanging up, etc.).
  • the resource manager provides various resources for the application, such as localized strings, icons, pictures, layout files, video files, and so on.
  • the notification manager enables the application to display notification information in the status bar, which can be used to convey notification-type messages, and it can automatically disappear after a short stay without user interaction.
  • the notification manager is used to notify that the download is complete, message reminders, and so on.
  • the notification manager can also be a notification that appears in the status bar at the top of the system in the form of a chart or a scroll bar text, such as a notification of an application running in the background, or a notification that appears on the screen in the form of a dialog window.
  • prompt text information in the status bar sound a prompt sound, electronic device vibration, flashing indicator light, etc.
  • Android Runtime includes core libraries and virtual machines. Android runtime is responsible for the scheduling and management of the Android system.
  • the core library consists of two parts: one part is the function function that the java language needs to call, and the other part is the core library of Android.
  • the application layer and application framework layer run in a virtual machine.
  • the virtual machine executes the java files of the application layer and the application framework layer as binary files.
  • the virtual machine is used to perform functions such as object life cycle management, stack management, thread management, security and exception management, and garbage collection.
  • the system library can include multiple functional modules. For example: surface manager (surface manager), media library (media libraries), 3D graphics processing library (for example: OpenGL ES), 2D graphics engine (for example: SGL), etc.
  • surface manager surface manager
  • media library media libraries
  • 3D graphics processing library for example: OpenGL ES
  • 2D graphics engine for example: SGL
  • the surface manager is used to manage the display subsystem and provides a combination of 2D and 3D layers for multiple applications.
  • the media library supports playback and recording of a variety of commonly used audio and video formats, as well as still image files.
  • the media library can support a variety of audio and video encoding formats, such as: MPEG4, H.264, MP3, AAC, AMR, JPG, PNG, etc.
  • the 3D graphics processing library is used to realize 3D graphics drawing, image rendering, synthesis, and layer processing.
  • the 2D graphics engine is a drawing engine for 2D drawing.
  • the kernel layer is the layer between hardware and software.
  • the kernel layer contains at least display driver, camera driver, audio driver, and sensor driver.
  • FIG. 4 is a schematic flowchart of a radio frequency switching method provided by an embodiment of the present application, which is applied to the above-mentioned electronic device. As shown in the figure, the radio frequency switching method includes the following operations.
  • Step 401 The first protocol stack receives the paging message of the second SIM card, and the first protocol stack is the protocol stack of the first SIM card.
  • Step 402 The first protocol stack notifies the second protocol stack that the second SIM card has an incoming call, and the second protocol stack is the protocol stack of the second SIM card.
  • Step 403 The second protocol stack performs a first radio frequency switching operation, and the first radio frequency switching operation is used to switch the mobile radio frequency module from the communication connection with the first SIM card to the communication connection with the second SIM card .
  • the first SIM card is the main SIM card
  • the second SIM card is the secondary SIM card
  • the first SIM card is the secondary SIM card
  • the second SIM card is the main SIM card
  • the second protocol stack performing the first radio frequency switching operation includes: the second protocol stack notifies the processor to perform the radio frequency switching operation through the modem, so that the processor connects to the second SIM card through the electronic switch, and disconnects from the second SIM card through the electronic switch.
  • the connection of a SIM card can switch the mobile radio frequency module from the communication connection with the first SIM card to the communication connection with the second SIM card.
  • the operators of the first SIM card and the second SIM card are the same.
  • the first SIM card and the second SIM card belong to the same cell.
  • the first protocol stack supports one of 5G NR protocol, LTE protocol, WSDMA protocol, TD-SCDMA protocol, CDMA protocol, and GSM;
  • the second protocol stack supports one of 5G NR protocol, LTE protocol, WSDMA protocol, TD-SCDMA protocol, CDMA protocol, and GSM.
  • the method before the first protocol stack receives the paging message of the second SIM card, the method further includes:
  • the second protocol stack notifies the first protocol stack of the temporary mobile subscriber identity (Temporary Mobile Subscriber Identity, TMSI) of the second SIM card;
  • TMSI Temporal Mobile Subscriber Identity
  • the first protocol stack receiving the paging message of the second SIM card includes: the first protocol stack monitors the paging based on the TMSI of the first SIM card and the TMSI of the second SIM card to receive Paging message to the second SIM card.
  • both the first SIM card and the second SIM card are in an idle state.
  • the states of the first SIM card and the second SIM card are recognized by the modem.
  • the specific identification methods are as follows: the modem reads the value of the first state variable associated with the first SIM card and the value of the second state variable associated with the second SIM card; if the value of the first state variable is the set value, it determines the value of the first SIM card The state is connected. If the value of the first state variable is not the set value, it is determined that the state of the first SIM card is idle; if the value of the second state variable is the set value, the state of the second SIM card is determined to be connected If the value of the second state variable is not the set value, it is determined that the state of the second SIM card is the idle state.
  • the setting value is, for example, 0, 1, or other values.
  • the first protocol stack monitors paging based on the TMSI of the first SIM card and the TMSI of the second SIM card, including: the first protocol stack is based on the TMSI of the first SIM card, The TMSI of the second SIM card, the first paging occasion of the first SIM card, and the second paging occasion of the second SIM card monitor paging.
  • the second protocol stack when the second protocol stack notifies the first protocol stack of the TMSI of the second SIM card, it also notifies the first protocol stack of the second paging occasion of the second SIM card; or, the second paging occasion of the second SIM card
  • the paging occasion is determined by the first protocol stack.
  • the logical channel (paging control channel, PCCH), the transmission channel (paging channel, PCH) and the physical downlink link shared channel (PDSCH) carrying paging messages are defined, and the paging message It is carried by the PCCH, and the data blocks of the PCH are carried by the PDSCH channel.
  • the PDSCH is a downlink shared physical channel, in addition to carrying the PCH, it can also carry the downlink shared channel (DL-SCH) Therefore, before receiving the paging message, the electronic device needs to monitor the physical downlink control channel (PDCCH) to determine whether the paging message is sent to itself.
  • DRX discontinuous reception
  • the paging occasion includes the paging frame and the paging moment.
  • the repetition period of the frame number of the radio frame is 1024, so the value range of each radio frame is 0-1023, and each radio frame It is divided into 10 subframes.
  • the value range of the subframes is 0-9.
  • the electronic device needs to calculate the paging frame in the monitored PDCCH first, and then calculate the paging moment on the paging frame to be accurate Know the specific location of the monitored PDCCH.
  • PF is the paging frame
  • SFN is the system frame number (that is, the frame number of the current electronic device)
  • T min(T1, T2)
  • T1 is the paging cycle set by the core network
  • T2 is the paging cycle set by the wireless side (ie, wireless access network, such as base station, etc.).
  • the paging cycle set by the wireless side is less than the paging cycle set by the core network, so T is equal to the paging cycle set by the wireless side by default.
  • the paging cycle set by the wireless side is read from the system message 2 (SIB2), and T1 is obtained from the paging message of the system message 1 (SIB1).
  • N min(T, nB), nB is read from SIB2, UE_ID is included in the paging message of SIB1, and is calculated by the International Mobile Subscriber Identity (IMSI) modulo 1024.
  • IMSI International Mobile Subscriber Identity
  • the corresponding relationship is shown in Table 1 and Table 2.
  • Table 1 is the corresponding relationship of the FDD mode
  • Table 2 is the corresponding relationship of the TDD mode.
  • the TMSI of the second SIM card of the second protocol stack is notified to the first protocol stack, and the first protocol stack monitors the paging messages of the first SIM card and the second SIM card at the same time, which reduces The mobile radio frequency module switches the frequency, thereby improving the communication performance.
  • the method further includes:
  • the first protocol stack When the first protocol stack notifies the second protocol stack that the second SIM card has an incoming call, the first protocol stack also notifies the second protocol stack of the TMSI of the first SIM card.
  • the method further includes:
  • the first protocol stack notifies the second protocol stack of the TMSI of the first SIM card.
  • the method further includes:
  • the second protocol stack monitors paging based on the TMSI of the first SIM card and the TMSI of the second SIM card;
  • the second protocol stack notifies the first protocol stack that the first SIM card has an incoming call
  • the first protocol stack performs a second radio frequency switching operation, and the second radio frequency switching operation is used to switch the mobile radio frequency module from a communication connection with the second SIM card to a communication connection with the first SIM card.
  • the first protocol stack performing the second radio frequency switching operation includes: the first protocol stack notifies the processor to perform the radio frequency switching operation through the modem, so that the processor connects to the first SIM card through the electronic switch, and disconnects from the first SIM card through the electronic switch.
  • the connection of the two SIM cards achieves the switching of the mobile radio frequency module from the communication connection with the second SIM card to the communication connection with the first SIM card.
  • the second protocol stack monitors paging based on the TMSI of the first SIM card and the TMSI of the second SIM card, including:
  • the second protocol stack is based on the TMSI of the first SIM card, the TMSI of the second SIM card, the third paging occasion of the first SIM card, and the fourth paging occasion of the second SIM card. call.
  • the first protocol stack when the first protocol stack notifies the second protocol stack of the TMSI of the first SIM card, it also notifies the second protocol stack of the third paging occasion of the first SIM card; or, the third paging occasion of the first SIM card
  • the timing is determined by the second protocol stack.
  • the second protocol stack simultaneously monitors the paging messages of the first SIM card and the second SIM card, which reduces the switching frequency of the mobile radio module, thereby improving the communication performance.
  • the method before the first protocol stack receives the paging message of the second SIM card, the method further includes:
  • the first protocol stack sends first signaling to the network device, the first signaling carries the TMSI of the first SIM card and the TMSI of the second SIM card, and the first signaling is used to notify the two Each TMSI belongs to the same electronic device;
  • the first protocol stack receiving the paging message of the second SIM card includes: the first protocol stack receiving second signaling sent by the network device, the second signaling carrying the second SIM The page message of the card.
  • the method further includes: the second protocol stack notifies the first protocol stack of the TMSI of the second SIM card.
  • the first SIM card is in a connected state
  • the second SIM card is in an idle state
  • the first signaling is newly added signaling, for example, TMSI combination signaling.
  • the second signaling is radio resource control (Radio Resource Control, RRC) connection signaling, that is, when the network device has a paging message for the second SIM card to be sent, the network device can use the first SIM card to send a paging message.
  • RRC connection signaling is issued.
  • a network device is a device deployed on a wireless access network to provide wireless communication functions.
  • the network device may be a Radio Access Network (RAN) device on the access network side of a cellular network.
  • the so-called RAN device is a device that connects terminal devices to the wireless network, including but not limited to: Evolved Node B (evolved Node B, eNB), Radio Network Controller (RNC), Node B (Node B, NB), Base Station Controller (BSC), Base Transceiver (Base Transceiver) Station, BTS), home base station (for example, Home evolved Node B, or Home Node B, HNB), base band unit (BBU), management entity (Mobility Management Entity, MME); for another example, network equipment can also be It is a node device in a wireless local area network (WLAN), such as an access controller (AC), a gateway, or a WIFI access point (Access Point, AP); for another example, the network device can also be The transmission node or
  • the first protocol stack notifies the network device of the TMSI of the first SIM card and the TMSI of the second SIM card, and notifies the network device that the two TMSIs belong to the same electronic device, so that the network device Bind the two TMSIs so that when the first SIM card is in the connected state, if there is a paging message from the second SIM card, the network device can directly send it to the first protocol stack, which reduces the switching frequency of the mobile radio module. In turn, the communication performance is improved.
  • the method further includes:
  • the second protocol stack sends third signaling to the network device, the third signaling carries the TMSI of the first SIM card and the TMSI of the second SIM card, and the third signaling is used to notify the two Each TMSI belongs to the same electronic device;
  • the second protocol stack notifies the first protocol stack that the first SIM card has an incoming call
  • the first protocol stack performs a third radio frequency switching operation, and the third radio frequency switching operation is used to switch the mobile radio frequency module from a communication connection with the second SIM card to a communication connection with the first SIM card.
  • the method further includes: the first protocol stack notifies the second protocol stack of the TMSI of the first SIM card.
  • the first protocol stack performing the third radio frequency switching operation includes: the first protocol stack notifies the processor to perform the radio frequency switching operation through the modem, so that the processor connects to the first SIM card through the electronic switch, and disconnects from the first SIM card through the electronic switch.
  • the connection of the two SIM cards achieves the switching of the mobile radio frequency module from the communication connection with the second SIM card to the communication connection with the first SIM card.
  • the third signaling is newly-added signaling, such as TMSI combination signaling.
  • the fourth signaling is radio resource control (Radio Resource Control, RRC) connection signaling, that is, when the network device has a paging message of the first SIM card that needs to be sent, the network device can use the second SIM card to send a paging message.
  • RRC connection signaling is issued.
  • the second protocol stack after the radio frequency switch, notifies the network device of the TMSI of the first SIM card and the TMSI of the second SIM card, and notifies the network device that the two TMSIs belong to the same electronic device , So that the network device binds the two TMSIs, so that when the second SIM card is in the connected state, if there is a paging message from the first SIM card, the network device can directly send to the second protocol stack, which reduces the mobility
  • the radio frequency module switches the frequency, thereby improving the communication performance.
  • an electronic device in order to implement the above-mentioned functions, includes hardware and/or software modules corresponding to each function.
  • the present application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a certain function is executed by hardware or computer software-driven hardware depends on the specific application and design constraint conditions of the technical solution. Those skilled in the art can use different methods for each specific application in combination with the embodiments to implement the described functions, but such implementation should not be considered as going beyond the scope of the present application.
  • the electronic device can be divided into functional modules according to the foregoing method examples.
  • each functional module can be divided corresponding to each function, or two or more functions can be integrated into one processing module.
  • the above-mentioned integrated modules can be implemented in the form of hardware. It should be noted that the division of modules in this embodiment is illustrative, and is only a logical function division, and there may be other division methods in actual implementation.
  • FIG. 5 shows a schematic diagram of a radio frequency switching device.
  • the radio frequency switching device 500 is applied to electronic equipment.
  • the radio frequency switching device 500 may include: Protocol stack 501 and second protocol stack 502.
  • the first protocol stack 501 may be used to support the electronic device to execute the above steps 401, 402, etc., and/or other processes used in the technology described herein.
  • the second protocol stack 502 may be used to support the electronic device to perform the above-mentioned step 403, etc., and/or other processes used in the technology described herein.
  • the electronic device provided in this embodiment is used to execute the above-mentioned location determination method, and therefore can achieve the same effect as the above-mentioned implementation method.
  • the electronic device may include a processing module, a storage module, and a communication module.
  • the processing module can be used to control and manage the actions of the electronic device, for example, can be used to support the electronic device to execute the steps performed by the first protocol stack 501 and the second protocol stack 502 described above.
  • the storage module can be used to support the electronic device to execute the storage program code and data.
  • the communication module can be used to support the communication between electronic devices and other devices.
  • the processing module can be a processor, a controller, or a modem. It can implement or execute various exemplary logical blocks, modules, and circuits described in conjunction with the disclosure of this application.
  • the processor may also be a combination that implements computing functions, such as a combination of one or more microprocessors, a combination of digital signal processing (DSP) and a microprocessor, and so on.
  • the storage module may be a memory.
  • the communication module may specifically be a radio frequency circuit, a Bluetooth chip, a Wi-Fi chip, and other devices that interact with other electronic devices.
  • the processing module is a processor or a modem
  • the storage module is a memory
  • the electronic device involved in this embodiment may be a device having the structure shown in FIG. 1.
  • This embodiment also provides a computer storage medium that stores computer instructions that, when the computer instructions run on an electronic device, cause the electronic device to execute the above-mentioned related method steps to implement the radio frequency switching method in the above-mentioned embodiment.
  • This embodiment also provides a computer program product.
  • the computer program product runs on a computer, the computer is caused to execute the above-mentioned related steps to realize the radio frequency switching method in the above-mentioned embodiment.
  • the embodiments of the present application also provide a device.
  • the device may specifically be a chip, component, or module.
  • the device may include a processor and a memory connected to each other.
  • the memory is used to store computer execution instructions.
  • the processor can execute the computer-executable instructions stored in the memory, so that the chip executes the position determination method in the foregoing method embodiments.
  • the electronic device, computer storage medium, computer program product, or chip provided in this embodiment are all used to execute the corresponding method provided above. Therefore, the beneficial effects that can be achieved can refer to the corresponding method provided above. The beneficial effects of the method will not be repeated here.
  • the disclosed device and method can be implemented in other ways.
  • the device embodiments described above are merely illustrative.
  • the division of modules or units is only a logical function division.
  • there may be other division methods for example, multiple units or components can be combined or It can be integrated into another device, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate parts may or may not be physically separate, and the parts displayed as a unit may be one physical unit or multiple physical units, that is, they may be located in one place or distributed to multiple different places. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • the functional units in the various embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the above-mentioned integrated unit can be implemented in the form of hardware or software functional unit.
  • the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a readable storage medium.
  • the technical solutions of the embodiments of the present application are essentially or the part that contributes to the prior art, or all or part of the technical solutions can be embodied in the form of a software product, and the software product is stored in a storage medium. It includes several instructions to make a device (which may be a single-chip microcomputer, a chip, etc.) or a processor (processor) execute all or part of the steps of the methods in the various embodiments of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read only memory (read only memory, ROM), random access memory (random access memory, RAM), magnetic disk or optical disk and other media that can store program codes.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephone Function (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé et un appareil de commutation de radiofréquence, qui sont appliqués à un dispositif électronique. Le dispositif électronique comprend une première carte SIM, une seconde carte SIM et un module radiofréquence mobile. Le procédé comprend : la réception, par une première pile de protocoles, d'un message de radiomessagerie en provenance d'une seconde carte SIM (401), la première pile de protocoles étant une pile de protocoles pour la première carte SIM ; l'information, par la première pile de protocoles, à une seconde pile de protocoles qu'il y a un appel arrivant dans la seconde carte SIM (402), la seconde pile de protocoles étant une pile de protocoles pour la seconde carte SIM ; et l'exécution, par la seconde pile de protocoles, d'une première opération de commutation de radiofréquence (403), la première opération de commutation de radiofréquence étant utilisée pour commuter un module radiofréquence mobile en connexion de communication avec la première carte SIM à une connexion de communication avec la seconde carte SIM. Par conséquent, le dispositif électronique peut réduire la fréquence de commutation du module radiofréquence mobile.
PCT/CN2021/088780 2020-06-02 2021-04-21 Procédé et appareil de commutation de radiofréquence WO2021244175A1 (fr)

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CN114584966B (zh) * 2020-11-30 2023-07-28 华为技术有限公司 一种射频通道的共享方法及相关装置
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