Transmission power control method and device of equipment and electronic equipment

Abstract

The invention discloses a transmitting power control method and device of equipment and electronic equipment. The method comprises the following steps: acquiring an electrical parameter value of a device, the device supporting a specific absorption rate (SAR) standard; under the condition that the electrical parameter value is smaller than the electrical parameter threshold value, the variable quantity of the electrical parameter value of the equipment in a preset time period is obtained; and under the condition that the variable quantity of the electrical parameter value is smaller than the variable quantity threshold value, controlling the transmitting power of the equipment to be not lower than the current transmitting power. According to the invention, the technical problem of poor user experience caused by direct reduction of the transmitting power of the equipment in order to meet the SAR standard in the prior art is solved.

Description

Technical Field

[0001] The present invention relates to the field of communications, and in particular, to a method, apparatus, and electronic device for controlling the transmission power of a device. Background Art

[0002] With the development of wireless communication technologies, especially the popularization of 5G networks, the transmission power of devices is getting larger and larger. When the distance between a human body and a device is relatively close, the greater the transmission power of the device, the more radiation is caused to the human body. The Specific Absorption Rate (SAR) is a standard for measuring the amount of electromagnetic radiation absorbed by human tissues. Especially when using wireless communication devices such as mobile phones and Mobile WiFi hotspots (MIFI), the control of SAR values is crucial for ensuring the health and safety of users. Therefore, the control of the transmission power of devices is also crucial. However, in related technologies, in order to meet the SAR standard and reduce the transmission power of devices, the user experience of using the devices is poor. How to meet the SAR standard without affecting the user experience is an urgent problem to be solved.

[0003] In response to the above problems, no effective solution has been proposed yet. Summary of the Invention

[0004] Embodiments of the present invention provide a method, apparatus, and electronic device for controlling the transmission power of a device, so as to at least solve the technical problem in related technologies that directly reducing the transmission power of a device to meet the SAR standard results in a poor user experience.

[0005] According to one aspect of the embodiments of the present invention, a method for controlling the transmission power of a device is provided, including: obtaining an electrical parameter value of the device, where the device supports a Specific Absorption Rate (SAR) standard; in a case where the electrical parameter value is less than an electrical parameter threshold, obtaining a change amount of the electrical parameter value of the device within a predetermined time period; and in a case where the change amount of the electrical parameter value is less than a change amount threshold, controlling the transmission power of the device to be not lower than the current transmission power.

[0006] Optionally, the type of the electrical parameter value includes at least one of the following: reflected power, impedance, reflection coefficient, and frequency offset.

[0007] Optionally, the obtaining the electrical parameter value of the device includes: in a case where the type of the electrical parameter value is the reflected power, obtaining the reflected power by connecting the isolation end of a coupler of the radio frequency front end of the device back to a reflected power detection module.

[0008] Optionally, the method further includes: in a case where the electrical parameter value is greater than or equal to the electrical parameter threshold, controlling the transmission power of the device to be lower than the current transmission power.

[0009] Optionally, the method further includes: when the change amount of the electrical parameter value is greater than or equal to the change amount threshold, controlling the transmission power of the device to be lower than the current transmission power.

[0010] According to another aspect of the present invention, there is provided a transmission power control device for a device, including: a first acquisition module for acquiring the electrical parameter value of the device, where the device supports the Specific Absorption Rate (SAR) standard; a first comparison module for comparing the electrical parameter value with an electrical parameter threshold; a second acquisition module for acquiring the change amount of the electrical parameter value of the device within a predetermined time period when the electrical parameter value is less than the electrical parameter threshold; a second comparison module for comparing the change amount of the electrical parameter value with a change amount threshold; and a control module for controlling the transmission power of the device not to be lower than the current transmission power when the change amount of the electrical parameter value is less than the change amount threshold.

[0011] According to still another aspect of the present invention, there is provided a computer-readable storage medium, which includes an executable program stored therein. When the executable program runs, it controls the device where the computer-readable storage medium is located to execute the transmission power control method for the device described in any one of the above.

[0012] According to yet another aspect of the present invention, there is provided an electronic device, including: a memory storing an executable program; and a processor for running the program, where when the program runs, it executes the transmission power control method for the device described in any one of the above.

[0013] Optionally, the device is a Mobile Hotspot (MIFI).

[0014] According to yet another aspect of the present invention, there is provided a computer program product, including a computer program, where when the computer program is executed by a processor, it implements the steps of any one of the methods for the transmission power control method of the device.

[0015] In the embodiments of the present invention, by acquiring the electrical parameter value of the device, where the device supports the Specific Absorption Rate (SAR) standard; when the electrical parameter value is less than the electrical parameter threshold, acquiring the change amount of the electrical parameter value of the device within a predetermined time period; and when the change amount of the electrical parameter value is less than the change amount threshold, controlling the transmission power of the device not to be lower than the current transmission power, the purpose of accurately controlling the transmission power of the device based on the electrical parameter value and the change amount of the electrical parameter value is achieved, thereby realizing the technical effect of improving the user experience of the device, and further solving the technical problem in the related art that in order to meet the SAR standard, the transmission power of the device is directly reduced, resulting in poor user experience. Description of the Drawings

[0016] The accompanying drawings described herein are used to provide a further understanding of the present invention and form a part of this application. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation to the present invention. In the drawings:

[0017] Figure 1 is a flowchart of a method for controlling the transmission power of a device according to an embodiment of the present invention;

[0018] Figure 2 is a schematic diagram of a SAR regulation method based on the detection of changes in electrical parameters according to an alternative embodiment of the present invention;

[0019] Figure 3 is a schematic diagram of a power detection method according to an alternative embodiment of the present invention;

[0020] Figure 4 is a structural block diagram of a device for controlling the transmission power of a device according to an embodiment of the present invention. Detailed Embodiments

[0021] In order to enable those skilled in the art of the present technology to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0022] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned accompanying drawings are used to distinguish similar objects and do not necessarily need to describe a specific order or sequence. It should be understood that such data can be interchanged under appropriate circumstances so that the embodiments of the present invention described herein can be implemented in an order different from those illustrated or described herein. In addition, the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or device that includes a series of steps or units does not necessarily have to be limited to those steps or units clearly listed, but may include other steps or units not clearly listed or inherent to these processes, methods, products, or devices.

[0023] First, some nouns or terms that appear during the description of the embodiments of the present application are applicable to the following explanations:

[0024] Specific Absorption Rate (SAR): It is a physical quantity used to measure the degree of electromagnetic radiation absorbed by the human body and is extremely important in the electromagnetic radiation safety assessment of wireless communication devices. The SAR value is defined as the electromagnetic radiation power absorbed by a unit mass of human tissue per unit time, usually measured in watts per kilogram (W / kg). In the field of wireless communication, such as mobile phones, wireless routers, MIFI devices, etc., these devices emit electromagnetic waves when they are working. When these devices are close to or in contact with the human body, the electromagnetic waves will be absorbed by the human body, thus generating a certain amount of electromagnetic radiation to the human body. The SAR standard is a safety limit commonly adopted internationally to limit the electromagnetic radiation value generated by devices to ensure that wireless devices will not have an adverse impact on human health during normal use.

[0025] Mobile WiFi (MIFI): It is also known as a portable WiFi router. The MIFI device receives mobile network signals (such as 3G, 4G, or 5G) and converts them into WiFi signals, enabling nearby devices such as mobile phones, tablets, laptops, etc. to connect to the Internet without directly using the mobile data network. MIFI devices are usually small and portable, suitable for use in places without a fixed network connection, such as during travel, outdoor activities, or on a vehicle.

[0026] Feedback Receiver (FBRX): The FBRX mechanism is a feedback reception mechanism in the radio frequency system. In the radio frequency front-end design of wireless communication devices, as a feedback receiver, FBRX plays an important role in monitoring the transmit power and signal quality. Specifically, FBRX receives a part of the signal reflected from the transmitting antenna, and the intensity and characteristics of these signals can reflect the transmitting state of the antenna, including the power level, signal integrity, and the matching degree with the external environment. In actual operation, FBRX can work together with a coupler. The coupler couples a part of the transmitted signal to FBRX, and FBRX then converts this part of the feedback signal into a measurable electrical signal for the control system to analyze.

[0027] Unlike handheld mobile terminals such as mobile phones, MIFI devices act as routers on one side in many usage scenarios and are not close to the human body. However, the SAR sensor cannot distinguish between media such as wood, ceramic, glass, etc. and the human body. If an SAR sensor is added inside the MIFI device to detect the SAR value, the power of the MIFI device will be reduced when it is placed on a table or the ground, thus affecting its user experience.

[0028] Since the usage scenarios of MIFI devices all have a common feature: MIFI is stationary. Therefore, it is possible to identify whether the usage scenario of the MIFI device is a stationary scenario by detecting whether certain parameters have changed, and accurately adjust the transmission power for the subdivided scenarios. The specific principle is that when a medium such as the human body is close to the antenna, the impedance of the antenna will change due to the terminal loading effect, resulting in a mismatch between the impedance of the antenna and the impedance of the RF front end. This mismatch varies depending on the type of medium and the proximity distance, and ultimately causes changes in electrical parameters (such as reflected power, impedance, reflection coefficient, frequency deviation, etc.). In view of this, an embodiment of the present invention provides a method for controlling the transmission power of a device, which controls the transmission power of the device by detecting the value of the electrical parameter and the amount of change in the value of the electrical parameter.

[0029] According to an embodiment of the present invention, an embodiment of a method for controlling the transmission power of a device is provided. It should be noted that the steps shown in the flowchart of the accompanying drawings can be executed in a computer system such as a set of computer executable instructions, and although a logical order is shown in the flowchart, in some cases, the steps shown or described can be executed in an order different from that shown here.

[0030] Figure 1 is a flow chart of a transmission power control method of a device according to an embodiment of the present invention. Figure 1 As shown, the method comprises the following steps:

[0031] Step S102, obtaining electrical parameter values ​​of the device, wherein the device supports the Specific Absorption Rate (SAR) standard.

[0032] As an optional embodiment, the execution subject of the method of this embodiment can be the device itself that needs to control the transmission power, or other devices that are used to control the transmission power of the device. Among them, the device itself that needs to control the transmission power is used as the execution subject of the method of this embodiment, which is more simple and direct.

[0033] As an optional embodiment, the type of the above electrical parameter value includes at least one of the following: reflected power, impedance, reflection coefficient, and frequency deviation. Among them, the reflected power is the power of the reflected signal when the transmission signal of the device is reflected back; the impedance can measure the matching state between the RF front end and the antenna of the device, which can be obtained according to the reflection coefficient of the device; the reflection coefficient is the ratio of the transmission power of the device to the reflection power; the frequency deviation is the deviation between the transmission power of the device and the reflection power.

[0034] As an alternative embodiment, the device may be a MIFI device. A MIFI device is used to provide network connections for other devices in places without a fixed network. Therefore, in the usage scenario of a MIFI device, the MIFI device is usually placed stationary somewhere. When the electrical parameter value of the MIFI device is large or the change amount is large, the MIFI device can be controlled to reduce the transmission power to meet the SAR standard supported by the device. When both the electrical parameter value and the change amount of the MIFI device are small, the MIFI device can be controlled not to reduce the transmission power to improve the user experience.

[0035] As an alternative embodiment, when obtaining the electrical parameter value of the device, multiple obtaining methods can be adopted. For example, the required electrical parameter value can be directly obtained. For instance, a new sensor can be added to the device to detect the electrical parameter value of the device; the electrical parameter value of the device can also be read from a database or other storage spaces; or the device can be improved based on its original structure to detect the electrical parameter value. Another example is that the required electrical parameter value can be indirectly obtained. For example, the required electrical parameter value can be calculated through other detected types of electrical parameter values.

[0036] In the case where the type of the required electrical parameter value is reflected power, the reflected power can be obtained by connecting the isolation end of the coupler of the radio frequency front end of the device back to the reflected power detection module. In the case where the type of the required electrical parameter value is impedance, reflection coefficient, or frequency offset, it can be directly detected through a corresponding detection module, such as a sensor, etc., or the transmitted power can be detected through the transmitted power detection module connected to the coupling end of the coupler of the radio frequency front end of the device, and the reflected power can be detected through the reflected power detection module connected to the isolation end of the coupler, and then the impedance, reflection coefficient, or frequency offset can be obtained based on the transmitted power and the reflected power. The improved method of obtaining the reflected power by connecting the isolation end of the coupler of the radio frequency front end of the device back to the reflected power detection module can avoid the problems of increased hardware cost and increased board occupancy area caused by adding other detection hardware. Among them, when adopting the improved method of obtaining the reflected power by connecting the isolation end of the coupler of the radio frequency front end of the device back to the reflected power detection module extended under the FBRX mechanism, the reflected power can be directly obtained, and the impedance, reflection coefficient, and frequency offset can be obtained based on the transmitted power and the reflected power. Therefore, the method of obtaining the reflected power is more direct and fast than the methods of obtaining other electrical parameters such as impedance, reflection coefficient, and frequency offset.

[0037] Step S104, in the case where the electrical parameter value is less than the electrical parameter threshold, obtain the change amount of the electrical parameter value of the device within a predetermined time period.

[0038] As an alternative embodiment, after obtaining the electrical parameter value of the device, the electrical parameter value can be compared with an electrical parameter threshold. The electrical parameter threshold can be determined according to statistical data or actual conditions. The electrical parameter value can be the electrical parameter value of the device at the current moment or the electrical parameter value at the moment when the device's transmission power is to be controlled. When a person holds the device by hand, the reflected power is usually significantly higher than that when the device is placed on a table or in other stationary scenarios. Therefore, by comparing the electrical parameter value with the electrical parameter threshold, the state of the device can be distinguished.

[0039] As an alternative embodiment, when the electrical parameter value is less than the electrical parameter threshold, the situation where a person holds the device motionless can be excluded. At this time, the human body and the device are relatively stationary. For example, the high reflected power situation when a person holds the device by hand. Therefore, for the situation where the electrical parameter value is less than the electrical parameter threshold, the change amount of the electrical parameter value of the device within a predetermined time period can be obtained, and further judgment can be made based on the change amount of the electrical parameter value. The predetermined time period can be determined in various ways. When the electrical parameter value is the electrical parameter value of the device at the current moment, the last moment of the predetermined time period is the current moment. When the electrical parameter value is the electrical parameter value at the moment when the device's transmission power is to be controlled, the last moment of the predetermined time period is the moment when the device's transmission power is to be controlled.

[0040] As an alternative embodiment, when obtaining the change amount of the electrical parameter value of the device within a predetermined time period, various methods can be used. For example, the change amount of the electrical parameter value of the device within the predetermined time period can be determined by performing time series analysis on the electrical parameter values within the predetermined time period or by using machine learning algorithms for analysis. Another example is that statistical methods can also be used to calculate the mean, standard deviation, or other statistical quantities of the electrical parameter values within the predetermined time period before the current moment as historical statistics.

[0041] As an alternative embodiment, when the electrical parameter value is greater than or equal to the electrical parameter threshold, the transmission power of the device can be controlled to be lower than the current transmission power. When the electrical parameter value is greater than or equal to the electrical parameter threshold, it is determined that the state of the device is that a person holds the device by hand. To prevent excessive radiation to the human body caused by too high transmission power of the device, the transmission power of the device can be reduced according to the distance between the human body and the device, or the transmission power of the device can be controlled according to existing regulation strategies.

[0042] Step S106, when the change amount of the electrical parameter value is less than the change amount threshold, control the transmission power of the device not to be lower than the current transmission power.

[0043] As an alternative embodiment, after obtaining the change amount of the electrical parameter value of the device within a predetermined time period, the change amount of the electrical parameter value can be further compared with a change amount threshold. The change amount threshold can be determined according to statistical data or actual conditions. When a human body approaches the device, due to the terminal loading effect, the impedance of the device will be mismatched with the front end. This mismatch varies according to the type of medium and the approaching distance, and ultimately causes changes in other types of electrical parameter values. Therefore, by obtaining the change amounts of electrical parameter values such as reflected power, impedance, reflection coefficient, and frequency offset, and comparing the change amount of the electrical parameter value with the change amount threshold, the state of the device can be further distinguished on the basis of comparing the electrical parameter value with the electrical parameter threshold.

[0044] As an alternative embodiment, in the case where the change amount of the electrical parameter value is less than the change amount threshold, the situation where the device moves following the human body can be excluded. At this time, the device and the human body are in relative motion. The change in the distance between the human body and the device will cause a relatively obvious change in the electrical parameter value, resulting in a relatively large change amount of the electrical parameter value. Therefore, when the change amount of the electrical parameter value is small, that is, when the change amount of the electrical parameter value is less than the change amount threshold, it can be determined that the device is in a relatively static state, excluding the situation where the device moves following the human body. Combining the electrical parameter value being less than the electrical parameter threshold, excluding the situation where a person holds the device motionless, and the change amount of the electrical parameter value being less than the change amount threshold, further excluding the situation where the device moves following the human body, can exclude various situations of contact between the device and the human body, thereby determining that the device may be placed on an object, such as on a table or on the ground. Therefore, in the case where the change amount of the electrical parameter value is less than the change amount threshold, the device does not need to consider the radiation that the excessive transmission power may cause to the human body, but only considers the communication ability and usage experience of the device itself, so as to control the transmission power of the device not to be lower than the current transmission power.

[0045] As an alternative embodiment, in the case where the change amount of the electrical parameter value is greater than or equal to the change amount threshold, control the transmission power of the device to be lower than the current transmission power. In the case where the change amount of the electrical parameter value is greater than or equal to the change amount threshold, it can be determined that the state of the device is that the device follows the human body. To prevent excessive radiation to the human body caused by the excessive transmission power of the device, the transmission power of the device can be reduced according to the distance between the human body and the device, or the transmission power of the device can be controlled according to the existing regulation strategy.

[0046] It should be noted that the transmission power of the device can be controlled only by the comparison result of one comparison. For example, only compare the electrical parameter value with the electrical parameter threshold, or only compare the change amount of the electrical parameter value with the change amount threshold. The transmission power of the device can also be controlled by combining the comparison results of two comparisons. For example, the electrical parameter value can be compared with the electrical parameter threshold first, and then the change amount of the electrical parameter value can be compared with the change amount threshold, so as to control the transmission power of the device not to be lower than the current transmission power; it is also possible to compare the change amount of the electrical parameter value with the change amount threshold first, and then compare the electrical parameter value with the electrical parameter threshold, so as to control the transmission power of the device not to be lower than the current transmission power. By performing two comparisons, that is, comparing both the electrical parameter value with the electrical parameter threshold and the change amount of the electrical parameter value with the change amount threshold, the transmission power of the device can be controlled more accurately. It can not only prevent excessive radiation to the human body caused by too high transmission power of the device, but also avoid reducing the power of the device when there is no need to reduce the power, thus affecting the user experience of the device, and further realizing more precise control of the transmission power.

[0047] By obtaining the electrical parameter value of the device, where the device supports the Specific Absorption Rate (SAR) standard; in the case where the electrical parameter value is less than the electrical parameter threshold, obtaining the change amount of the electrical parameter value of the device within a predetermined time period; in the case where the change amount of the electrical parameter value is less than the change amount threshold, controlling the transmission power of the device not to be lower than the current transmission power, the purpose of accurately controlling the transmission power of the device based on the electrical parameter value and the change amount of the electrical parameter value is achieved, thereby realizing the technical effect of improving the user experience of the device, and further solving the technical problem in the related art that in order to meet the SAR standard, the transmission power of the device is directly reduced, resulting in poor user experience.

[0048] Combined with the above embodiments and optional embodiments, an optional implementation manner is provided. In this optional implementation manner, a SAR regulation method based on electrical parameter change detection is proposed, and the transmission power of the device is controlled by detecting the change of the electrical parameter, so as to control the SAR value of the device. Figure 2 is a schematic diagram of a SAR regulation method based on electrical parameter change detection according to an optional implementation manner of the present invention, as Figure 2 shown, the method includes the following processes.

[0049] S1, the system respectively detects the reflected power of all antennas of the device. For example, the detected reflected powers are Pr[1], Pr[2], Pr[3].

[0050] S2, the software upper layer judges whether the reflected power of any antenna at the current moment is less than a certain value T. That is, judge whether Pr[1], Pr[2], Pr[3] are all less than T. If so, perform S3 to exclude the situation where the user holds the device motionless, because the human hand has a larger reflected power than a table, etc. If not, reduce the power of the device.

[0051] S3. Determine whether the difference between the reflection power at the current moment and the average value of the reflection powers at the previous N moments is less than a certain difference G. If so, it is determined that the device is in a stationary scenario of being away from the human body, and the device power is not reduced. If not, the device power is reduced.

[0052] Among them, there are various implementation methods for detecting the reflection power of all antennas of the detection device. Figure 3 It is a schematic diagram of a power detection method according to an alternative embodiment of the present invention, as Figure 3 shown. Currently, the radio frequency front ends of devices all use the FBRX mechanism to detect the transmit power to achieve output power control. Among them, P1 is the input end of the coupler, and the transmit power is input to the coupler from P1; P2 is the coupled end of the coupler, and P2 is used to monitor the magnitude of the transmit power; P3 is the through end of the coupler; P4 is the isolation end of the coupler, and P4 is usually grounded.

[0053] According to the reciprocity principle, when power is reflected at the antenna end, that is, the reflection power is input from P3, then P4 becomes the coupled end of the reflection power, and the magnitude of the reflection power can be monitored through P4. Hardware-wise, only need to connect P4 back to the Radio Frequency Integrated Circuit (RFIC), and add a reflection power monitoring module similar to FBRX. It is worth noting that by combining the reflection power monitoring module and FBRX, a change detection unit can be obtained. The change detection unit can also monitor the changes of parameters such as impedance, reflection coefficient, and frequency offset through conversion. The added module is integrated in the RFIC, which can reduce the occupation of the board area.

[0054] Through the above SAR regulation method based on the detection of electrical parameter changes, the MIFI device can not reduce power in a stationary scenario away from the human body, ensuring the user experience. The above method does not require adding independent hardware, such as a SAR sensor, reducing the manufacturing cost of the device. At the same time, it avoids the need to occupy additional space on the circuit board, and can also avoid the limitation that the SAR sensor requires a certain area of the antenna to make the sensing area, avoiding the detection blind spot problem, and enhancing the versatility and applicability of the solution. The above method also does not require pre-testing the values of corresponding parameters in a specific scenario, but identifies the scenario through real-time sampling and comparison, simplifying the R & D process and reducing the workload in the early stage. At the same time, since the above method uses an optimization algorithm to process real-time sampling data, it can effectively reduce the occupation of CPU resources.

[0055] According to an embodiment of the present invention, a transmit power control device for a device is provided. Figure 4 It is a structural block diagram of a transmit power control device for a device according to an embodiment of the present invention, as Figure 4As shown in the figure, the device includes: a first acquisition module 402, a second acquisition module 404, and a control module 406. The device will be described below.

[0056] The first acquisition module 402 is configured to acquire the electrical parameter value of a device, where the device supports the Specific Absorption Rate (SAR) standard; the second acquisition module 404 is connected to the first acquisition module 402, and is configured to acquire the change amount of the electrical parameter value of the device within a predetermined time period when the electrical parameter value is less than the electrical parameter threshold; the control module 406 is connected to the second acquisition module 404, and is configured to control the transmission power of the device to be not lower than the current transmission power when the change amount of the electrical parameter value is less than the change amount threshold.

[0057] It should be noted here that the first acquisition module 402, the second acquisition module 404, and the control module 406 correspond to steps S102 to S106 in the embodiment. The instances and application scenarios implemented by multiple modules and the corresponding steps are the same, but are not limited to the content disclosed in the above embodiments.

[0058] As an optional embodiment, the type of the electrical parameter value includes at least one of the following: reflected power, impedance, reflection coefficient, and frequency offset.

[0059] As an optional embodiment, the first acquisition module 402 includes: an acquisition unit. The acquisition unit is configured to acquire the reflected power by connecting the isolation end of the coupler of the radio frequency front end of the device back to the reflected power detection module when the type of the electrical parameter value is the reflected power.

[0060] As an optional embodiment, the device further includes: a second control module. The second control module is connected to the first comparison module, and is configured to control the transmission power of the device to be lower than the current transmission power when the electrical parameter value is greater than or equal to the electrical parameter threshold.

[0061] As an optional embodiment, the device further includes: a third control module. The third control module is connected to the second comparison module, and is configured to control the transmission power of the device to be lower than the current transmission power when the change amount of the electrical parameter value is greater than or equal to the change amount threshold.

[0062] According to an embodiment of the present invention, there is provided a computer-readable storage medium, where the computer-readable storage medium includes a stored executable program, and when the executable program runs, it controls a device where the computer-readable storage medium is located to execute the method for controlling the transmission power of the device described in any one of the above.

[0063] According to an embodiment of the present invention, there is provided an electronic device, including: a memory storing an executable program; a processor for running the program, wherein when the program runs, it executes the transmission power control method of the device described in any one of the above.

[0064] As an optional embodiment, the above device is a mobile hotspot MIFI. It should be noted that the above electronic device can be a device that needs to control the transmission power, or can be other devices used to control a device that needs to control the transmission power. Among them, the device that needs to control the transmission power can be a MIFI device.

[0065] According to an embodiment of the present invention, there is provided a computer program product, including a computer program, and when the computer program is executed by a processor, it implements the steps of the transmission power control method of the device described in any one of the above.

[0066] The serial numbers of the above embodiments of the present invention are only for description and do not represent the advantages or disadvantages of the embodiments.

[0067] In the above embodiments of the present invention, the descriptions of the respective embodiments have their own emphases. For the parts not detailed in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0068] In several embodiments provided by the present application, it should be understood that the disclosed technical content can be implemented in other ways. Among them, the device embodiments described above are only illustrative. For example, the division of the units can be a logical function division. In actual implementation, there can be other division methods. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the couplings or direct couplings or communication connections shown or discussed with each other can be through some interfaces. The indirect couplings or communication connections of the units or modules can be in electrical or other forms.

[0069] The units described as separate components may or may not be physically separated. The components shown as units may or may not be physical units, that is, they can be located in one place, or can be distributed to multiple units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0070] In addition, in each embodiment of the present invention, the functional units can be integrated in a processing unit, or each unit can exist physically alone, or two or more units can be integrated in one unit. The above integrated units can be implemented in the form of hardware or in the form of software functional units.

[0071] If 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 computer-readable storage medium. Based on this understanding, the technical solution of the present invention, in essence, or the part that contributes to the prior art, or all or part of the technical solution, can be embodied in the form of a software product. The computer software product is stored in a storage medium and includes several instructions for causing a computer device (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in various embodiments of the present invention. The aforementioned storage medium includes: various media that can store program codes, such as USB flash drives, read-only memories (ROM, Read-Only Memory), random access memories (RAM, Random Access Memory), mobile hard disks, magnetic disks, or optical discs.

[0072] The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. A method for controlling transmission power of a device, characterized in that: include: Acquire an electrical parameter value of the device, wherein the device supports a specific absorption rate (SAR) standard; When the electrical parameter value is less than the electrical parameter threshold, obtaining a change in the electrical parameter value of the device within a predetermined time period; When the change in the electrical parameter value is less than the change threshold, the transmit power of the device is controlled not to be lower than the current transmit power.

2. The method according to claim 1, characterized in that The type of the electrical parameter value includes at least one of the following: reflected power, impedance, reflection coefficient, and frequency deviation.

3. The method according to claim 2, characterized in that The obtaining of the electrical parameter value of the device includes: In a case where the type of the electrical parameter value is the reflected power, the reflected power is acquired by connecting the isolation end of the coupler of the radio frequency front end of the device back to the reflected power detection module.

4. The method according to any one of claims 1 to 3, characterized in that: The method further comprises: When the electrical parameter value is greater than or equal to the electrical parameter threshold, the transmit power of the device is controlled to be lower than the current transmit power.

5. The method according to any one of claims 1 to 3, characterized in that: The method further comprises: When the variation of the electrical parameter value is greater than or equal to the variation threshold, the transmission power of the device is controlled to be lower than the current transmission power.

6. A transmission power control device for a device, characterized in that: include: A first acquisition module is used to acquire an electrical parameter value of the device, wherein the device supports a specific absorption rate (SAR) standard; A second acquisition module, configured to acquire a change in the electrical parameter value of the device within a predetermined time period when the electrical parameter value is less than the electrical parameter threshold; The control module is used to control the transmission power of the device to be not lower than the current transmission power when the change amount of the electrical parameter value is less than the change amount threshold.

7. A computer-readable storage medium, characterized in that: The computer-readable storage medium includes a stored executable program, wherein when the executable program is running, the device where the computer-readable storage medium is located is controlled to execute the transmission power control method of the device according to any one of claims 1 to 5.

8. An electronic device, characterized in that: include: A memory storing an executable program; A processor is used to run the program, wherein the program executes the transmission power control method of the device described in any one of claims 1 to 5 when running.

9. The electronic device according to claim 8, characterized in that: The device is a mobile hotspot MIFI.

10. A computer program product, comprising a computer program, characterized in that When the computer program is executed by a processor, the steps of the method according to any one of claims 1 to 5 are implemented.

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