Dual-card terminal communication method

Abstract

The invention provides a dual-card terminal communication method. A dual-card terminal comprises a first mobile phone card and a second mobile phone card. The method comprises the following steps: when the second mobile phone card is switched to a call state, judging whether the current MIMO antenna grade of the first mobile phone card is the maximum grade or not; if not, judging whether the current MIMO antenna configuration meets a preset condition or not; and if yes, adjusting the MIMO antenna grade of the first mobile phone card to the maximum grade. When the second mobile phone card is switched to the call state, the MIMO antenna configuration state of the first mobile phone card is actively detected, and the MIMO antenna level of the first mobile phone card is improved to the maximum level under the condition that the preset condition is met, so that the first mobile phone card is ensured to have enough TX antenna resources. According to the scheme, the problem that the DSDA condition is not met due to the fact that the MIMO level is reduced can be effectively avoided, and normal operation of the dual-card dual-standby function is guaranteed.

Description

Technical Field

[0001] The present invention relates to the field of communications, and in particular to a communication method for a dual-SIM terminal. Background Art

[0002] The dual-SIM dual-standby (DSDA) function, as an important feature of smart phones, can enable both SIM cards to standby simultaneously and the data network connection of the primary card not to be interrupted when the secondary card is in a call. However, there are many problems in implementing the DSDA function in the prior art: the radio frequency front-end cannot effectively support the concurrent transmission and reception of the two SIM cards, resulting in signal interference between the primary and secondary cards; the performance of multi-antenna technology is limited in the dual-SIM scenario, and the antenna resource allocation is unreasonable; in the scenario where 5G NR coexists with LTE, it is difficult to ensure the stability of dual-SIM services, and the radio frequency resource scheduling efficiency in the ENDC scenario is low. Therefore, it is necessary to optimize in aspects such as the concurrent ability of the radio frequency front-end, the support of multi-antenna technology, and the combination of radio access technologies to achieve a stable and reliable DSDA function. Summary of the Invention

[0003] The purpose of the present invention is to solve the problem of network disconnection when a dual-SIM device makes a voice call.

[0004] In a first aspect of the present invention, there is provided a communication method for a dual-SIM terminal, where the dual-SIM terminal includes a first SIM card and a second SIM card; the method includes:

[0005] When the second SIM card switches to the call state, determine whether the current MIMO antenna level of the first SIM card is the maximum level; if not, determine whether the current MIMO antenna configuration meets a preset condition; if it meets, adjust the MIMO antenna level of the first SIM card to the maximum level.

[0006] Further, the second SIM card switches to the call state, including the second SIM card switching from the 5G NR state to the VoLTE state, or detecting that the second SIM card establishes a voice call.

[0007] Further, the preset condition is that the MIMO antenna of the first SIM card does not include a TX antenna.

[0008] Further, determining whether the current MIMO antenna level of the first SIM card is the maximum level includes: determining whether the current MIMO antenna level of the first SIM card is less than the MIMO antenna level before switching.

[0009] Further, the maximum level of the first SIM card is a 4-antenna configuration.

[0010] Further, before determining the current MIMO antenna level of the first SIM card, it also includes: determining whether the terminal enters the DSDA mode.

[0011] Further, the DSDA mode determination includes: determining whether the second SIM card is in a voice call state and determining whether the first SIM card is in a data service state.

[0012] Further, before determining the current MIMO antenna configuration, re-determine whether the terminal enters the DSDA mode.

[0013] In a second aspect of the present invention, a dual-SIM terminal communication system is provided, including:

[0014] A first determination module for determining the current MIMO antenna level of the first SIM card;

[0015] A second determination module for determining whether the current MIMO antenna configuration meets a preset condition;

[0016] An execution module for adjusting the MIMO antenna level of the first SIM card to the maximum level.

[0017] In a third aspect of the present invention, an electronic device is provided, including:

[0018] A processor;

[0019] A memory communicably connected to the processor and storing computer instructions readable by the processor. When the computer instructions are read, the processor executes the dual-SIM terminal communication method described in any one of the above.

[0020] Compared with the prior art, the present invention has at least the following beneficial effects: When the second SIM card switches to the call state, actively detect the MIMO antenna configuration state of the first SIM card, and when the preset condition is met, raise the MIMO antenna level of the first SIM card to the maximum level, so as to ensure that the first SIM card has sufficient TX antenna resources. This solution can effectively avoid the problem that the DSDA condition is not met due to the reduction of the MIMO level, ensure the normal operation of the dual-SIM dual-standby function, improve the communication experience of users in the NR+NR scenario, and prevent the first SIM card from dropping the network when the second SIM card is in a call. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only the embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained as provided without creative efforts.

[0022] Figure 1 It is the communication process of the prior art of the present invention;

[0023] Figure 2 Schematic diagram of the communication method in an embodiment of the present invention. Detailed implementation manners

[0024] The present invention will be described in more detail below with reference to the schematic diagrams, in which the preferred embodiments of the present invention are shown. It should be understood that those skilled in the art can modify the present invention described herein while still achieving the advantageous effects of the present invention. Therefore, the following description should be understood as being widely known to those skilled in the art and not as a limitation to the present invention.

[0025] It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device.

[0026] In the following paragraphs, the present invention will be described more specifically by way of example with reference to the accompanying drawings. As will be described below, the advantages and features of the present invention will be clearer. It should be noted that the drawings are all in a very simplified form and use non-precise scales, only for the purpose of facilitating and clearly assisting in explaining the objectives of the embodiments of the present invention.

[0027] Embodiment 1

[0028] This embodiment provides a communication method for a dual-SIM terminal. The dual-SIM terminal includes a first mobile phone card and a second mobile phone card. Please refer to Figure 1 the communication method in the prior art and Figure 2 the method of this embodiment, including:

[0029] When the second mobile phone card switches to the call state, determine whether the current MIMO antenna level of the first mobile phone card is the maximum level; if not, determine whether the current MIMO antenna configuration meets a preset condition; if it meets, adjust the MIMO antenna level of the first mobile phone card to the maximum level.

[0030] The adjustment of the MIMO antenna (Multiple-Input Multiple-Output) level is based on the call state change of the second SIM card. Specifically, when the second SIM card switches from the 5G NR state to the VoLTE state, or when it is detected that the second SIM card establishes a voice call, the system will trigger the evaluation and adjustment of the MIMO antenna level of the first SIM card. An example of the preset condition is that the MIMO antenna of the first SIM card does not include the TX antenna, which means that when adjusting the antenna level, the system will consider whether the antenna configuration supports the current communication requirements. By dynamically adjusting the MIMO antenna level of the first SIM card, the problem that the data transmission of the first SIM card is interfered when the second SIM card makes a call is solved. By optimizing the MIMO antenna configuration and adjustment strategy, the stability and efficiency of the dual-SIM terminal in a complex communication environment are improved.

[0031] Further, the second SIM card switches to the call state, including the second SIM card switching from the 5G NR state to the VoLTE state, or, detecting that the second SIM card establishes a voice call.

[0032] As a preferred implementation manner, the adjustment of the MIMO antenna level can be based on whether the terminal enters the DSDA mode. In the DSDA mode, the system will judge whether the second SIM card is in the voice call state and at the same time judge whether the first SIM card is in the data service state. This judgment helps to ensure that the ongoing data transmission is not affected when adjusting the MIMO antenna level. First, the terminal device detects the state change of the second SIM card. When it is detected that the second SIM card switches from the 5G NR state to the VoLTE state, the system will automatically trigger the corresponding processing flow. Second, the terminal device can also judge whether it enters the call state by detecting whether the second SIM card establishes a voice call. Specifically, when the second SIM card establishes a voice call, the system will immediately recognize and enter the corresponding processing logic.

[0033] In the implementation process, the above detection and judgment can be completed through the collaborative work of software and hardware. For example, the software part can monitor the state change of the second SIM card in real time by calling the system API, while the hardware part can realize the switching detection of the 5G NR and VoLTE states through the cooperation of the radio frequency module and the baseband processor. In addition, the accuracy and response speed of the detection can be optimized by setting specific trigger conditions. For example, when it is detected that the second SIM card establishes a voice call, the system can immediately start the corresponding processing flow without waiting for other conditions to be met.

[0034] By detecting the status change of the second SIM card in real time, the problem of handling when the second SIM card switches to the call state in a dual-SIM terminal can be effectively solved. Compared with the prior art, this solution has a higher response speed and accuracy, and can quickly respond when the second SIM card switches to the call state, thus ensuring that the communication quality of the first SIM card is not affected. In addition, this solution also optimizes the detection logic and processing flow, reduces the occupancy of system resources, and improves the overall operation efficiency of the system.

[0035] Further, the preset condition is that the MIMO antenna of the first SIM card does not include a TX antenna.

[0036] In the communication method of a dual-SIM terminal, when the second SIM card switches to the call state, first determine whether the current MIMO antenna level of the first SIM card is the maximum level. If the current MIMO antenna level is not the maximum level, then further determine whether the current MIMO antenna configuration meets the preset condition. The preset condition is that the MIMO antenna of the first SIM card does not include a TX antenna. If this condition is met, adjust the MIMO antenna level of the first SIM card to the maximum level.

[0037] Specifically, the TX antenna in the MIMO antenna configuration is usually used to transmit signals, while the RX antenna is used to receive signals. In this embodiment, the preset condition requires that the MIMO antenna of the first SIM card does not include a TX antenna, which means that the MIMO antenna of the first SIM card is only used to receive signals. This configuration can avoid the interference of the transmitted signal of the first SIM card on the received signal of the second SIM card when the two SIM cards work simultaneously, thereby improving the communication performance of the dual-SIM terminal. As a preferred implementation, the MIMO antenna of the first SIM card can be configured to only include RX antennas, or the TX antenna can be disabled through software control to meet the preset condition.

[0038] Thus, by setting the preset condition that the MIMO antenna of the first SIM card does not include a TX antenna, the problem of signal interference generated when the dual-SIM terminal works simultaneously is effectively avoided. It has higher stability and reliability, especially in the 5G NR and LTE coexistence scenario, and can better ensure the stability of the dual-SIM service.

[0039] Further, the determination of whether the current MIMO antenna level of the first SIM card is the maximum level includes: determining whether the current MIMO antenna level of the first SIM card is less than the MIMO antenna level before switching.

[0040] Further, the maximum level of the first SIM card is a 4-antenna configuration.

[0041] Specifically, when the second SIM card switches to the call state, if the MIMO antenna level of the first SIM card needs to be downgraded, the downgraded MIMO antenna level will be lower than the level before the switch. For example, if the MIMO antenna level of the first SIM card before the switch is a 4-antenna configuration, it may change to a 2-antenna configuration or a 1-antenna configuration after the downgrade. Thus, by dynamically adjusting the MIMO antenna level, it is possible to reasonably allocate antenna resources when the second SIM card switches to the call state, avoiding signal interference or data transmission interruption caused by insufficient antenna resources. Compared with the prior art, this solution can maximize the data transmission capacity of the first SIM card while ensuring call quality, thereby improving the overall communication performance of the dual-SIM terminal.

[0042] Further, before determining the current MIMO antenna level of the first SIM card, it also includes: determining whether the terminal enters the DSDA mode.

[0043] Further, the DSDA mode determination includes: determining whether the second SIM card is in a voice call state and determining whether the first SIM card is in a data service state.

[0044] Among them, the DSDA (Dual SIM Dual Active) mode determination includes determining whether the second SIM card is in a voice call state and determining whether the first SIM card is in a data service state. In this embodiment, before determining the current MIMO antenna configuration, it is also necessary to re-determine whether the terminal enters the DSDA mode.

[0045] Specifically, the DSDA mode allows the terminal to maintain the connection states of both SIM cards simultaneously, with one card for voice calls and the other card for data services. The specific implementation of determining whether the terminal enters the DSDA mode can be by detecting whether the second SIM card is in a voice call state and simultaneously detecting whether the first SIM card is engaged in data services. If the second SIM card is in a voice call state and the first SIM card is in a data service state, it can be determined that the terminal has entered the DSDA mode. In addition, before determining the current MIMO antenna configuration, it is also necessary to re-determine whether the terminal is still in the DSDA mode to ensure the accuracy of the terminal state.

[0046] By introducing the judgment step of the DSDA mode, it is possible to more reasonably allocate antenna resources in a dual-SIM terminal. Especially when the second SIM card switches to the call state, it ensures that the data service of the first SIM card is not affected. By judging whether the terminal enters the DSDA mode, it is possible to avoid signal interference problems caused by unreasonable antenna resource allocation and improve the service stability of the dual-SIM terminal in the coexistence scenario of 5G NR and LTE. Compared with the prior art, by introducing the judgment mechanism of the DSDA mode, this solution can effectively optimize the concurrent capabilities of the radio frequency front end and the support for multi-antenna technology, thereby improving the overall performance of the dual-SIM terminal.

[0047] Embodiment 2

[0048] This embodiment provides a dual-SIM terminal communication system, including:

[0049] A first judgment module, which judges the current MIMO antenna level of the first SIM card;

[0050] A second judgment module, which judges whether the current MIMO antenna configuration meets a preset condition;

[0051] An execution module, which adjusts the MIMO antenna level of the first SIM card to the maximum level.

[0052] Specifically, the first judgment module can judge whether its antenna level is the maximum level by reading the current MIMO antenna configuration information of the first SIM card. If the current MIMO antenna level is not the maximum level, the second judgment module will further judge whether the current MIMO antenna configuration meets the preset condition. The preset condition can be that the MIMO antenna of the first SIM card does not include a TX antenna. If the preset condition is met, the execution module adjusts the MIMO antenna level of the first SIM card to the maximum level, such as a 4-antenna configuration. As a preferred implementation manner, the first judgment module and the second judgment module can communicate with the radio frequency front end and the antenna control module of the terminal to obtain real-time MIMO antenna configuration information and make judgments according to the preset conditions. The execution module can adjust the MIMO antenna configuration of the first SIM card to the maximum level by sending a control signal.

[0053] Thus, in this embodiment, the dual-SIM terminal communication system can effectively implement dynamic adjustment of the MIMO antenna level in the dual-SIM terminal through modular design. When the second SIM card switches to the call state, the system can determine whether antenna level adjustment is required based on the current MIMO antenna configuration of the first SIM card, and if the conditions are met, raise the MIMO antenna level of the first SIM card to the maximum level. This design can not only optimize the antenna resource allocation in the DSDA mode of the dual-SIM terminal, but also reduce the signal interference between the primary and secondary cards and improve the stability of dual-SIM services. Compared with the prior art, the dual-SIM terminal communication system of this application can more flexibly handle the antenna resource scheduling problem in the dual-SIM terminal under complex communication scenarios by introducing a modular judgment and execution mechanism. Especially in the 5G NR and LTE coexistence scenario, the system can effectively improve the scheduling efficiency of radio frequency resources and ensure the stability and reliability of dual-SIM services.

[0054] Embodiment III

[0055] This embodiment provides an electronic device, which can be a device such as a mobile phone, a smart watch, a camera, etc. The electronic device may include: a processor; a memory communicatively connected to the processor, which stores computer instructions that can be read by the processor. When the computer instructions are read, the processor executes the dual-SIM terminal communication method described in any of the above. The specific implementation manners and technical effects are similar to those of Embodiment I and will not be elaborated here.

[0056] For ease of description, only one processor is described in the above electronic device. However, it should be noted that in some embodiments, the electronic device in the present invention may also include multiple processors. Therefore, the steps executed by one processor described in the present invention can also be jointly executed or separately executed by multiple processors. For example, if the processor of the electronic device executes step and step, it should be understood that step and step can also be jointly executed by two different processors or separately executed in one processor. For example, the first processor executes step, the second processor executes step, or the first processor and the second processor jointly execute step, etc.

[0057] In some embodiments, the processor may include one or more processing cores (e.g., a single-core processor(s) or a multi-core processor(s)). By way of example only, the processor may include a Central Processing Unit (CPU), an Application Specific Integrated Circuit (ASIC), an Application Specific Instruction-set Processor (ASIP), a Graphics Processing Unit (GPU), a Physics Processing Unit (PPU), a Digital Signal Processor (DSP), a Field Programmable Gate Array (FPGA), a Programmable Logic Device (PLD), a controller, a microcontroller unit, a Reduced Instruction Set Computing (RISC), or a microprocessor, etc., or any combination thereof.

[0058] The above uses specific examples to elaborate on the present invention, which is only for helping to understand the present invention and is not intended to limit the present invention. For those skilled in the art of the present invention, several simple deductions, deformations or substitutions can also be made according to the idea of the present invention.

Claims

1. A dual-card terminal communication method, characterized in that, The dual-SIM terminal includes a first SIM card and a second SIM card; the method includes: When the second SIM card switches to the call state, determine whether the current MIMO antenna level of the first SIM card is the maximum level; if not, determine whether the current MIMO antenna configuration meets a preset condition; if it meets, adjust the MIMO antenna level of the first SIM card to the maximum level.

2. The dual-SIM terminal communication method according to claim 1, wherein The second SIM card switches to the call state, including the second SIM card switching from the 5G NR state to the VoLTE state, or detecting that the second SIM card establishes a voice call.

3. The dual-card terminal communication method according to claim 1, wherein, The preset condition is that the MIMO antenna of the first SIM card does not include a TX antenna.

4. The dual-card terminal communication method according to claim 1, wherein, Determining whether the current MIMO antenna level of the first SIM card is the maximum level includes: determining whether the current MIMO antenna level of the first SIM card is less than the MIMO antenna level before switching.

5. The dual-card terminal communication method according to claim 4, wherein The maximum level of the first SIM card is a 4-antenna configuration.

6. The dual-card terminal communication method according to claim 1, wherein Before determining the current MIMO antenna level of the first SIM card, it further includes: determining whether the terminal enters the DSDA mode.

7. The dual-card terminal communication method according to claim 6, wherein The DSDA mode determination includes: determining whether the second SIM card is in a voice call state and determining whether the first SIM card is in a data service state.

8. The dual-card terminal communication method according to claim 6, characterized in that, Before determining the current MIMO antenna configuration, re-determine whether the terminal enters the DSDA mode.

9. A dual-SIM terminal communication system, characterized in that, It includes: A first determination module for determining the current MIMO antenna level of the first SIM card; A second determination module for determining whether the current MIMO antenna configuration meets the preset condition; An execution module for adjusting the MIMO antenna level of the first SIM card to the maximum level.

10. An electronic device, characterized in that, It includes: A processor; A memory communicatively connected to the processor, storing computer instructions that can be read by the processor. When the computer instructions are read, the processor executes the dual-SIM terminal communication method according to any one of claims 1-8.

Images