Electronic device, radiation power control method, device and storage medium

Abstract

The present application relates to the technical field of electronic equipment, and provides electronic equipment, radiation power control methods, devices and storage media. The electronic equipment includes: multiple antenna assemblies, SAR sensors, distance sensors and processors; the SAR sensor is respectively connected to at least two antenna assemblies among the multiple antenna assemblies through multiple detection channels; the distance sensor is located on the front and / or back of the electronic equipment; the processor is respectively connected to the SAR sensor, the distance sensor and the multiple antenna assemblies, and is used to adjust the radiation power of the multiple antenna assemblies according to the first detection result output by the SAR sensor and the second detection result output by the distance sensor. In an embodiment of the present invention, a SAR sensor detection channel is configured for at least two antenna assemblies, so that the electronic equipment has the ability to comprehensively detect the distance of an object relative to various parts of the electronic equipment by combining different detection channels of the SAR sensor and the distance sensor, and accurately identify SAR reduction scenarios.

Description

Technical Field

[0001] Embodiments of the present invention relate to the technical field of electronic equipment, and in particular to electronic equipment, a radiation power control method, an apparatus, and a storage medium. Background Art

[0002] SAR (Specific Absorption Rate) is an indicator of the radiation of electronic devices such as mobile phones to the human body. The size of SAR indicates the impact of electromagnetic radiation from electronic devices on human health. The lower the SAR value, the less radiation is absorbed by the body. In the design of electronic device antennas, the main focus is on the impact of electromagnetic radiation from electronic devices on the human head and body, and the size of the SAR value is closely related to the radiation power. The greater the radiation power, the higher the SAR value. However, in terms of the performance requirements of the antenna over the air (OTA) technology test, the higher the radiation power, the better. How to balance OTA performance and SAR value has become a common problem currently faced by the industry.

[0003] In the face of SAR certification requirements, the traditional solution is to load a specific absorption rate sensor (SAR-sensor) chip through a single antenna (usually the main transmitting antenna at the bottom), and trigger the reduction of radiation power by detecting the inductive capacitance value between the antenna and the object, thereby reducing the SAR value.

[0004] However, the above-mentioned traditional solution often has false triggering in many scenarios, resulting in the scenario that does not need to reduce the SAR value triggering power reduction or the scenario that needs to reduce the SAR value failing to successfully trigger power reduction, so improvement is needed. Summary of the invention

[0005] Based on this, it is necessary to provide an electronic device, a radiation power control method, an apparatus and a computer-readable storage medium that can accurately identify scenes where SAR values ​​need to be reduced in order to address the above technical problems.

[0006] An embodiment of the present application provides an electronic device, characterized in that it includes: multiple antenna components, a SAR sensor, a distance sensor, and a processor;

[0007] The SAR sensor is connected to at least two antenna assemblies of the multiple antenna assemblies through multiple detection channels respectively;

[0008] The distance sensor is located on the front and / or back of the electronic device;

[0009] The processor is connected to the SAR sensor, the distance sensor and the multiple antenna components respectively, and is used to adjust the radiation power of the multiple antenna components according to the first detection result output by the SAR sensor and the second detection result output by the distance sensor.

[0010] In one embodiment, the SAR sensor includes: at least one multi-channel SAR sensor, or at least two single-channel SAR sensors, or at least one multi-channel SAR sensor and at least one single-channel SAR sensor.

[0011] In one embodiment, the distance sensor is a proximity sensor P-sensor.

[0012] In one embodiment, at least one of the at least two antenna assemblies is a transmitting antenna assembly located on top of the electronic device.

[0013] In one embodiment, the plurality of antenna assemblies include antenna assemblies supporting fifth generation mobile communication 5G technology.

[0014] In one embodiment, the plurality of antenna components further comprises an antenna component supporting Wireless Fidelity (WiFi) technology.

[0015] In one embodiment, the plurality of antenna assemblies includes an antenna assembly connected to a double pole double throw switch.

[0016] In one embodiment, the at least two antenna components include a first antenna component located at the top of the electronic device, a second antenna component located at the bottom of the electronic device, and a third antenna component located at the side of the electronic device.

[0017] In one embodiment, the at least two antenna components further include a fourth antenna component located at a side of the electronic device, wherein a distance between the fourth antenna component and the third antenna component is greater than a preset distance threshold.

[0018] In one embodiment, the third antenna assembly is closer to the top of the electronic device relative to the fourth antenna assembly, the first antenna assembly and the third antenna assembly are connected to the same multi-channel SAR sensor, and the second antenna assembly and the fourth antenna assembly are connected to the same multi-channel SAR sensor.

[0019] The present application embodiment provides a radiation power control method, which is applied to the electronic device provided in the embodiment of the present application, and the method includes:

[0020] In a case where it is detected that the electronic device is in a communication state, receiving a first detection result output by the SAR sensor and a second detection result output by the distance sensor;

[0021] Determine a corresponding target scene according to the first detection result and the second detection result;

[0022] When it is determined that the target scene meets the preset SAR power reduction condition, the multiple antenna components are controlled to reduce the radiation power.

[0023] In one embodiment, the first detection result includes at least two approaching or moving away determination results, and the second detection result includes one approaching or moving away determination result;

[0024] Accordingly, determining the corresponding target scene according to the first detection result and the second detection result includes:

[0025] A corresponding target scene is determined according to at least three approaching or moving away determination results.

[0026] In one embodiment, at least one of the at least two antenna assemblies is a transmitting antenna assembly located on top of the electronic device;

[0027] The determining that the target scene meets a preset SAR power reduction condition includes:

[0028] When it is determined that the target scene is any preset scene, it is determined that the preset SAR power reduction condition is met, wherein the preset scene includes the head SAR test scene in the OTA head-side test scene of the over-the-air download technology, the body SAR top test scene in a free placement state, and the body SAR back and / or side test scene, but does not include the OTA head and hand test scene and the OTA free placement state test scene.

[0029] In one embodiment, at least one of the at least two antenna assemblies is a transmitting antenna assembly located at the bottom of the electronic device;

[0030] Correspondingly, the preset scenario also includes:

[0031] Bottom SAR test scenario in the OTA handheld test scenario.

[0032] In one embodiment, at least one of the at least two antenna assemblies is a transmitting antenna assembly located on a side of the electronic device;

[0033] Correspondingly, the preset scenario also includes:

[0034] Body SAR back and / or side test scenarios.

[0035] The present application embodiment provides a radiation power control device, which is configured in the electronic device provided by the embodiment of the present application, and the device includes:

[0036] A detection result receiving module, used for receiving a first detection result output by the specific absorption rate (SAR) sensor and a second detection result output by the distance sensor;

[0037] A target scene determination module, used to determine a corresponding target scene according to the first detection result and the second detection result;

[0038] The power reduction control module is used to control the multiple antenna components to reduce the radiation power when it is determined that the target scene meets the preset SAR power reduction condition.

[0039] An embodiment of the present application provides an electronic device, characterized in that it includes: multiple antenna components, a specific absorption rate SAR sensor, a distance sensor, a memory, and a processor;

[0040] The SAR sensor is connected to at least two antenna assemblies of the multiple antenna assemblies through multiple detection channels respectively;

[0041] The distance sensor is located on the front and / or back of the electronic device;

[0042] The memory stores a computer program;

[0043] The processor is connected to the SAR sensor, the distance sensor and the multiple antenna components respectively, and implements the steps of the radiation power control method provided in any embodiment of the present application when executing the computer program.

[0044] An embodiment of the present application provides a computer-readable storage medium on which a computer program is stored. When the computer program is executed by a processor, the steps of the radiation power control method provided in any embodiment of the present application are implemented.

[0045] The electronic device provided in the embodiment of the present application includes multiple antenna components, a SAR sensor, a distance sensor and a processor; the SAR sensor is connected to at least two of the multiple antenna components through multiple detection channels, and can be used to detect the distance of an object relative to the at least two antenna components; the distance sensor is located on the front and / or back of the electronic device, and can be used to detect the distance of an object relative to the distance sensor; the processor is connected to the SAR sensor, the distance sensor and the multiple antenna components, respectively, and is used to adjust the radiation power of the multiple antenna components according to the first detection result output by the SAR sensor and the second detection result output by the distance sensor. The embodiment of the present invention adopts the above technical solution to configure SAR sensor detection channels for at least two antenna components, so that the electronic device has the ability to comprehensively detect the distance of an object relative to various parts of the electronic device by combining different detection channels of the SAR sensor and the distance sensor, and then accurately identifies whether the current scene needs to reduce the SAR value, and then adjusts the radiation power of multiple antenna components to prevent misjudgment and more reasonably balance OTA performance and SAR value.

[0046] The radiation power control method provided in the embodiment of the present application, when detecting that the electronic device is in a communication state, receives a first detection result output by the SAR sensor and a second detection result output by the distance sensor, determines a corresponding target scene according to the first detection result and the second detection result, and when it is determined that the target scene meets the preset SAR power reduction condition, controls multiple antenna components to reduce the radiation power; through the coordination of the two detection results, it is possible to accurately identify whether the current scene needs to reduce the SAR value, and then adjust the radiation power of multiple antenna components to prevent misjudgment and more reasonably balance OTA performance and SAR value. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] Figure 1 is a schematic diagram of the structure of an electronic device in one embodiment;

[0048] Figure 2 is a schematic structural diagram of an electronic device in another embodiment;

[0049] Figure 3 is a schematic flow chart of a radiation power control method in an embodiment;

[0050] Figure 4 is a structural block diagram of a radiation power control device in one embodiment;

[0051] Figure 5 FIG. 4 is a diagram showing the internal structure of an electronic device in one embodiment. DETAILED DESCRIPTION

[0052] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0053] The electronic device provided in the embodiment of the present invention can be a communication device such as a mobile phone and a tablet computer that needs to be equipped with an antenna. The electronic device includes multiple antenna components, a SAR sensor (SAR-sensor), a distance sensor (P-sensor) and a processor, and may also include other components, which are not specifically limited.

[0054] The number of antenna components in the electronic device and the location distribution of the antenna components can be set according to actual needs, and the multiple antenna components may include two antenna components or more. The internal structure of the antenna component is not limited, for example, it may include an antenna body and an antenna RF transceiver.

[0055] The SAR sensor is connected to at least two antenna assemblies in the multiple antenna assemblies through multiple detection channels, and can be used to detect the distance of the object relative to the at least two antenna assemblies. When the multiple antenna assemblies are two antenna assemblies, the SAR sensor is connected to the two antenna assemblies through two detection channels. Optionally, the SAR sensor includes at least one multi-channel SAR sensor, or at least two single-channel SAR sensors, or at least one multi-channel SAR sensor and at least one single-channel SAR sensor, where the channel is the detection channel. That is to say, the SAR-sensor chip integrated in the electronic device in the embodiment of the present invention can be a single multi-channel SAR-sensor chip, or a plurality of single-channel SAR-sensor chips, or a combination of a multi-channel SAR-sensor chip and a single-channel SAR-sensor chip. Each detection channel of the SAR-sensor chip can be connected to the corresponding antenna assembly feeding point to achieve connection with the antenna assembly. The change in capacitance value on the antenna assembly can be detected through the detection channel to determine the distance between the object and the antenna assembly. Compared with the prior art solution of using a single-channel SAR-sensor chip to detect a main transmitting antenna, by detecting more antennas, the distance of an object relative to various parts of an electronic device can be more accurately determined, which is conducive to distinguishing more scenes.

[0056] The distance sensor is located on the front and / or back of the electronic device, that is, the distance sensor can be set on the front of the electronic device, can be set on the back of the electronic device, or can be set on the front and back of the electronic device. The number, position and type of distance sensors are not limited. The distance sensor can be used to detect the distance of an object relative to the distance sensor. Combined with the multiple detection channels of the SAR-sensor, it can more comprehensively judge the distance of the object relative to various parts of the electronic device, and thus more accurately distinguish the usage scenarios. Optionally, the distance sensor is a proximity sensor P-sensor, and the infrared distance sensing value on the P-sensor can be used to determine the specific distance, and the judgment result is close or far. Optionally, it can be reused with the existing P-sensor integrated on the front of most electronic devices.

[0057] The processor is respectively connected to the SAR sensor, the distance sensor and the multiple antenna assemblies, and is used to adjust the radiation power of the multiple antenna assemblies according to the first detection result output by the SAR sensor and the second detection result output by the distance sensor. Exemplarily, the first detection result includes at least two approaching or far away determination results, and the second detection result includes one approaching or far away determination result. The processor can accurately determine the current usage scenario in combination with the first detection result and the second detection result, and then determine the reasonable radiation power of the multiple antenna assemblies, and adjust and control the radiation power of some or all of the multiple antenna assemblies. The specific adjustment method is not limited. For example, the radiation power can be reduced by adjusting the RF parameter configuration item, thereby achieving the purpose of reducing SAR. In addition, if it is determined that the current scenario does not need to reduce the radiation power, the multiple antenna assemblies can be controlled to maintain the existing radiation power.

[0058] The electronic device provided by the embodiment of the present invention configures SAR sensor detection channels for at least two antenna assemblies, so that the electronic device has the ability to comprehensively detect the distance of an object relative to various parts of the electronic device by combining different detection channels of the SAR sensor and the distance sensor, accurately identifies whether the current scene needs to reduce the SAR value, and then adjusts the radiation power of multiple antenna assemblies to prevent misjudgment and more reasonably balance OTA performance and SAR value.

[0059] For example, Figure 11 is a schematic diagram of the structure of an electronic device in an embodiment. The electronic device includes two antenna components, namely, a first antenna component 101 and a second antenna component 102; a SAR sensor 103, which is a multi-channel SAR sensor, wherein two detection channels are respectively connected to the first antenna component 101 and the second antenna component 102; a distance sensor 104, which can be a proximity sensor arranged on the front of the electronic device, i.e., a P-sensor; a processor (not shown in the figure), which is respectively connected to the SAR sensor 103, the distance sensor 104, the first antenna component 101 and the second antenna component 102, and is used to adjust the radiation power of the first antenna component 101 and / or the second antenna component 102 according to the first detection result output by the SAR sensor 103 and the second detection result output by the distance sensor 104.

[0060] In some embodiments, at least one of the at least two antenna components is a transmitting antenna component located on the top of the electronic device. Figure 1 The first antenna component 101 in the figure can be a transmitting antenna, and the second antenna component 102 can be a receiving antenna. In addition, with the emergence of full-screen electronic devices such as mobile phones, the screen-to-body ratio is getting larger and larger, and the clearance left for the antenna is getting smaller and smaller. In order to improve the performance of the antenna, many mobile phone antennas need to be designed on the top of the mobile phone. Especially with the arrival of 5G, the 5GNR (New Radio) frequency band needs to do 4*4MIMO (Multiple Input Multiple Output), and at least 4 antennas need to be added to meet the design function requirements, and the antenna of the 5GNR frequency band needs to have a round-trip function. The traditional design scheme is to make a transmitting antenna at the bottom of the mobile phone and a receiving antenna at the top, which can no longer meet the design requirements. Therefore, it is inevitable to make a transmitting antenna at the top, which will cause the problem of exceeding the head SAR (Head SAR) and body SAR (Body SAR). The solution of the embodiment of the present invention is applicable to electronic devices that need to be configured with a transmitting antenna component on the top. By more accurately identifying the usage scenario, the problem of false triggering of the reduced SAR value of electronic devices with a transmitting antenna component configured on the top can be well solved, and the OTA performance and SAR value can be more reasonably balanced.

[0061] In some embodiments, the multiple antenna components include antenna components that support 5G technology and can be suitable for electronic devices that support 5G.

[0062] In some embodiments, the plurality of antenna components further include an antenna component supporting Wireless Fidelity (WiFi) technology. Of course, the electronic device may also include other antenna components supporting technologies such as Global Positioning System (GPS).

[0063] In some embodiments, the plurality of antenna assemblies include an antenna assembly connected to a double-pole double-throw switch (DPDT), which can be applicable to electronic devices that require DPDT upper and lower antenna switching.

[0064] In some embodiments, the at least two antenna components include a first antenna component located at the top of the electronic device, a second antenna component located at the bottom of the electronic device, and a third antenna component located at the side of the electronic device. In this way, it can be better applied to 5G devices.

[0065] Furthermore, the at least two antenna assemblies also include a fourth antenna assembly located on the side of the electronic device, wherein the distance between the fourth antenna assembly and the third antenna assembly is greater than a preset distance threshold. The advantage of this arrangement is that, since the sides of electronic devices are usually relatively long, when the two antenna assemblies on the sides are far apart, in order to more accurately detect the distance of the object relative to different parts of the electronic device and thus obtain a more accurate usage scenario, it is necessary to configure the detection channels separately. The preset distance threshold can be set according to actual conditions, for example, it can be a preset ratio value of the total length of the side, and the preset ratio value can also be freely set, for example, it can be 0.5.

[0066] Furthermore, the third antenna assembly is closer to the top of the electronic device than the fourth antenna assembly, the first antenna assembly and the third antenna assembly are connected to the same multi-channel SAR sensor, and the second antenna assembly and the fourth antenna assembly are connected to the same multi-channel SAR sensor. The advantage of such a setting is that the detection channel can be set nearby, the length of the detection channel can be reduced, and the layout of the detection channel can be more reasonably realized.

[0067] For example, Figure 2 FIG. 4 is a schematic diagram of the structure of an electronic device in another embodiment. Figure 2 The electronic device in the device can be a 5G mobile phone. Figure 2As shown, a total of 8 antenna components are configured, including ant0, ant1, ant2, ant3, ant4, ant5, ant6 and ant7. A proximity sensor 201 is set on the front of the electronic device, and two SAR sensors are set, namely a first SAR sensor 202 and a second SAR sensor 203. Among them, because there are more antennas in the 5G project, ant0, ant1, ant4, ant5 and ant7 will all be used as transmitting antennas, which brings more variables to the SAR test. The top, bottom, back and sides may all have SAR values ​​exceeding the standard. Specifically, ant0 can be configured as RX: L / MB, DRX: HB, N1: TRX, N41: RX1mimo; ant1 can be configured as TRX: N41 / 78 / 79, RX: N1 mimo; ant2 can be configured as Wifi_2.4 / 5G (CH1); ant3 can be configured as GPS L1, Wifi_2.4 / 5G (CH0); ant4 can be configured as DRX: L / MB, TRX: HB, N1: DRX, N41: RX2 mimo, N78: TRX / RX1 mimo, N79: RX1 mimo; ant5 can be configured as N41 / 78 / 79TRX / DRX; ant6 can be configured as GPS L5; ant7 can be configured as N78: TRX / RX2 mimo, N79: RX2 mimo, N1: DRX. It can be understood that there are many antenna configuration schemes for 5G mobile phones, and the above configuration schemes are only for illustrative purposes. For the above configuration scheme, two multi-channel SAR sensors can be used to detect ant0, ant1, ant2, ant4, ant5 and ant7 to determine the capacitance change value, and combined with the P sensor detection distance determination to distinguish possible usage scenarios, and then decide whether to call SAR reduction NV according to the scenario (that is, decide whether to reduce the radiation power by adjusting the RF parameter configuration items, thereby achieving the purpose of reducing SAR). The SAR sensor channels connected to each antenna are shown in Table 1. Among them, since ant4 and ant5 are close and both are located on the top of the electronic device, one of them can also be selected to connect to the detection channel; ant2 is a WiFi antenna and can also be selectively connected to the detection channel.

[0068] Table 1 Detection channel and antenna connection relationship table

[0069]

[0070] Figure 3The flowchart of a radiation power control method in an embodiment is shown in FIG. 1 . The method is applied to an electronic device provided in an embodiment of the present invention and can be executed by a radiation power control device, wherein the device can be implemented by software and / or hardware and can be integrated in an electronic device. The method may include:

[0071] Step 301: When it is detected that the electronic device is in a communication state, a first detection result output by a SAR sensor and a second detection result output by a distance sensor are received.

[0072] Exemplarily, the communication status can be detected by a communication unit in the electronic device. The SAR sensor can output capacitance sensing value change data or a result of approaching or moving away, and each detection channel of the SAR sensor outputs a set of detection results. The distance sensor can specifically be a proximity sensor, and the output can be infrared sensing value change data or a result of approaching or moving away. When there are multiple distance sensors, each distance sensor outputs a set of detection results.

[0073] Step 302: Determine a corresponding target scene according to the first detection result and the second detection result.

[0074] Illustratively, since the SAR sensor has at least two detection channels connected to the antenna assembly, the first detection result includes at least two groups of detection results, and the second detection result includes at least one group of detection results. Each group of detection results respectively indicates the distance of the object detected at the location. Combining multiple groups of detection results can more accurately determine the distance of the object relative to various parts of the electronic device, and then accurately determine the corresponding usage scenario, that is, the target scenario.

[0075] Step 303: When it is determined that the target scene meets the preset SAR power reduction condition, control the multiple antenna components to reduce the radiation power.

[0076] For example, the usage scenarios can be classified according to the position distribution of the antenna components connected to the SAR sensor detection channel and the position distribution of the distance sensor, and it can be determined which scenarios need to reduce SAR, and these scenarios can be recorded as preset scenarios. When the target scene matches the preset scene, it can be considered that the preset SAR power consumption reduction condition is met, and then some or all of the antenna components in the multiple antenna components are controlled to reduce the radiation power. The specific reduction method and reduction range can be set according to actual needs, and the embodiment of the present invention is not limited.

[0077] The radiation power control method provided in the embodiment of the present application, when detecting that the electronic device is in a communication state, receives the first detection result output by the SAR sensor and the second detection result output by the distance sensor, determines the corresponding target scene according to the first detection result and the second detection result, and controls multiple antenna components to reduce the radiation power when it is determined that the target scene meets the preset SAR power reduction condition. Through the coordination of the two detection results, it is possible to accurately identify whether the current scene needs to reduce the SAR value, and then adjust the radiation power of multiple antenna components to prevent misjudgment and more reasonably balance OTA performance and SAR value.

[0078] In one embodiment, the first detection result includes at least two approaching or far away determination results, and the second detection result includes one approaching or far away determination result. Accordingly, the determining the corresponding target scene according to the first detection result and the second detection result includes: determining the corresponding target scene according to at least three approaching or far away determination results. The advantage of such a setting is that the SAR sensor and the proximity sensor directly output the approaching or far away determination results, which can facilitate the processor to quickly determine the target scene according to the combined results and improve the response speed. Among them, approaching can refer to the distance between the object and the corresponding antenna component or the corresponding distance sensor being less than the first preset distance threshold, and being far away can refer to the distance between the object and the corresponding antenna component or the corresponding distance sensor being greater than or equal to the second preset distance threshold. The first preset distance threshold and the second preset distance threshold can be equal or unequal. If they are unequal, the second preset distance threshold is greater than the first preset distance threshold.

[0079] In one embodiment, at least one of the at least two antenna assemblies is a transmitting antenna assembly located at the top of the electronic device. The determining that the target scene satisfies the preset SAR power reduction condition includes: when determining that the target scene is a preset scene, determining that the preset SAR power reduction condition is satisfied, wherein the preset scene includes the head SAR test scene in the OTA head beside (Beside Head, BH) test scene, the body SAR top test scene in a free placement state, and the body SAR (Body SAR) back and / or side test scene, excluding the OTA head and hand (Beside Head and Hand, BHH) test scene and the OTA free placement (Free Space, FS) state test scene. The advantage of such a setting is that the test scene can be divided more finely in the relevant test scenes of OTA test and SAR test to prevent the occurrence of abnormal test data, especially the head SAR and Body SAR problems of the terminal product with the transmitting antenna located at the top, and the abnormal OTA data drop problem caused by the false triggering of the SAR-sensor of the terminal product under the OTA BHH test can be solved. In addition, it should be noted that if the electronic device is not provided with a transmitting antenna assembly at the bottom, the preset scenario may not include the OTA hand-held test scenario (Hand Left or Hand Right, HL / R) to ensure that the OTA test data in this scenario is not reduced.

[0080] Combine the following Figure 1 The electronic equipment shown and Table 2 are specifically described.

[0081] Table 2 Power fallback mechanism first comparison table

[0082]

[0083] Among them, CH1 represents the bottom antenna detection channel, CH2 represents the top antenna detection channel, Figure 1 The first antenna assembly 101 (top antenna) is a transmitting antenna, and the second antenna assembly 102 (bottom antenna) is a receiving antenna.

[0084] In the communication state, the P-sensor detects the approaching state, the SAR-sensor CH1 detects the moving away state, and the SARsensor CH2 detects the approaching state, then the scene is determined to be a head SAR scene (OTA BH test scene). In this state, the conduction backoff is triggered (that is, the radiation power is reduced) to meet the head SAR requirements.

[0085] In the communication state, the P-sensor detects the approach state, the SAR-sensor CH1 detects the approach state, and the SARsensor CH2 detects the approach state, then the scene is determined to be an OTA BHH test scene, and there is no SAR requirement. In this state, the conduction backoff is not triggered, thereby ensuring that the OTA BHH test data will not be reduced.

[0086] In the communication state, the P-sensor detects the far state, the SAR-sensor CH1 detects the far state, and the SARsensor CH2 detects the approach state, then the scene is determined to be the Body SAR top test scene, in which case the conduction backoff is triggered to meet the head SAR requirements.

[0087] In the communication state, if the P-sensor detects the away state, the SAR-sensor CH1 detects the away state, and the SARsensor CH2 detects the away state, the scene is determined to be an OTA FS test scene. In this state, the conduction backoff is not triggered, and there is no SAR requirement for this scene, and the OTA test data will not be reduced.

[0088] In the communication state, the P-sensor detects the far state, the SAR-sensor CH1 detects the approach state, and the SARsensor CH2 detects the close state, then the scene is determined to be the Body SAR (back and / or side) test scene. In this state, the conduction fallback will be triggered to meet the Body SAR back and side requirements.

[0089] In the communication state, the P-sensor detects the far state, the SAR-sensor CH1 detects the approach state, and the SARsensor CH2 detects the far state. The scenario is determined to be an OTA HL / R test scenario. In this state, the conduction backoff is not triggered, and there is no SAR requirement for this scenario. The OTA test data will not be reduced.

[0090] It can be seen that by adopting the solution of the embodiment of the present invention, the specific test scenarios in the OTA test and the SAR test can be subdivided, so as to more reasonably determine whether to trigger the conduction backoff. For example, if the solution of the embodiment of the present invention is not adopted, it is impossible to distinguish the head SAR test scenario in the OTA BHH test scenario and the OTA head-near test scenario, and then it is impossible to accurately determine whether to trigger the conduction backoff.

[0091] In one embodiment, at least one of the at least two antenna assemblies is a transmitting antenna assembly located at the bottom of the electronic device. Accordingly, the preset scenario also includes: a bottom SAR test scenario in an OTA handheld test scenario. In this way, when a transmitting antenna is set at the bottom, power consumption reduction can be triggered in the bottom SAR test scenario in the OTA handheld test scenario to solve the bottom SAR problem.

[0092] In one embodiment, at least one of the at least two antenna assemblies is a transmitting antenna assembly located on the side of the electronic device. Accordingly, the preset scenario also includes: a body SAR back and / or side test scenario. In this way, when a transmitting antenna is set on the side, power consumption reduction can be triggered in the body SAR back and / or side test scenario to solve the back and / or side SAR problem.

[0093] Combine the following Figure 2 The electronic equipment shown, Table 3 and Table 4 are specifically described.

[0094] Table 3 Power fallback mechanism second comparison table

[0095]

[0096] Table 4 Power fallback mechanism third comparison table

[0097]

[0098] Because 5G mobile phones have added more transmitting antennas, it is necessary to add side SAR detection items to further subdivide the SAR reduction scenario. As shown in Table 3, for head SAR and body SAR, the main problems that need to be solved are the top, back and bottom SAR. Figure 1 and Figure 2 , comparing Table 2 and Table 3, we can find that the main difference is that CH2 is replaced by CH4 or CH5. Figure 2As shown, since ant4 and ant5 are closer, the detection results of CH4 and CH5 are generally consistent, and the detection result of any one of them can be used as the standard. In addition, if the P-sensor detects the far state, the SAR-sensor CH0 detects the close state, and the SAR-sensor CH4 or CH5 detects the far state, the scene is determined as the (OTA HL / R test scene) bottom SAR test scene; since ant0 is a transmitting antenna, the conduction backoff is triggered in this state, and the bottom SAR problem needs to be solved, and the OTA test data will be reduced. In order to solve the problem of SAR exceeding the standard on the side, as shown in Table 4, the P-sensor detects the far state, and the SAR-sensor CH1 or CH7 detects the close state, then the scene is determined as the back and side SAR test scene, and the conduction backoff is triggered in this state to solve the side and back SAR problems of ant1 and ant7.

[0099] The above 5G mobile phone SAR reduction scheme basically covers the SAR reduction of all surfaces of the mobile phone. If the number of antennas is reduced, the scenario definition can be appropriately adjusted to make the power fallback scenarios as few as possible. This not only meets the SAR value requirements, but also ensures OTA performance, and more reasonably balances OTA performance and SAR value, giving end users a better experience.

[0100] It should be understood that although Figure 3 The steps in the flowchart are shown in sequence as indicated by the arrows, but these steps are not necessarily executed in the order indicated by the arrows. Unless otherwise specified in this document, there is no strict order restriction for the execution of these steps, and these steps can be executed in other orders. Moreover, Figure 3 At least part of the steps may include multiple sub-steps or multiple stages. These sub-steps or stages are not necessarily executed at the same time, but can be executed at different times. The execution order of these sub-steps or stages is not necessarily sequential, but can be executed in turn or alternately with other steps or at least part of the sub-steps or stages of other steps.

[0101] Figure 4 4 is a structural block diagram of a radiation power control device in an embodiment, which is configured in an electronic device provided in an embodiment of the present invention, including: a detection result receiving module 401, a target scene determination module 402 and a power reduction control module 403, wherein:

[0102] A detection result receiving module 401 is used to receive a first detection result output by the specific absorption rate (SAR) sensor and a second detection result output by the distance sensor;

[0103] A target scene determination module 402, configured to determine a corresponding target scene according to the first detection result and the second detection result;

[0104] The power reduction control module 403 is used to control the multiple antenna components to reduce the radiation power when it is determined that the target scene meets the preset SAR power reduction condition.

[0105] In one embodiment, the first detection result includes at least two approaching or moving away determination results, and the second detection result includes one approaching or moving away determination result; accordingly, determining the corresponding target scene based on the first detection result and the second detection result includes: determining the corresponding target scene based on at least three approaching or moving away determination results.

[0106] In one embodiment, at least one of the at least two antenna assemblies is a transmitting antenna assembly located at the top of the electronic device; the determining that the target scene satisfies any preset SAR power reduction condition includes: when determining that the target scene is a preset scene, determining that the preset SAR power reduction condition is satisfied, wherein the preset scene includes the head SAR test scene in the over-the-air download technology OTA head-side test scene, the body SAR top test scene in a free placement state, and the body SAR back and / or side test scene, but does not include the OTA head-hand test scene and the OTA free placement state test scene.

[0107] In one embodiment, at least one of the at least two antenna assemblies is a transmitting antenna assembly located at the bottom of the electronic device; accordingly, the preset scenario also includes: a bottom SAR test scenario in an OTA handheld test scenario.

[0108] In one embodiment, at least one of the at least two antenna assemblies is a transmitting antenna assembly located on a side of the electronic device; accordingly, the preset scenario also includes: a body SAR back and / or side test scenario.

[0109] The radiation power control device provided in the embodiment of the present invention can accurately identify whether the current scene needs to reduce the SAR value through the coordination of the two detection results, and then adjust the radiation power of multiple antenna components to prevent misjudgment and more reasonably balance the OTA performance and SAR value.

[0110] For the specific definition of the radiation power control device, please refer to the definition of the radiation power control method above, which will not be repeated here. Each module in the above-mentioned radiation power control device can be implemented in whole or in part by software, hardware and a combination thereof. The above-mentioned modules can be embedded in or independent of the processor of the electronic device in the form of hardware, or can be stored in the memory of the electronic device in the form of software, so that the processor can call and execute the operations corresponding to the above modules.

[0111] In one embodiment, an electronic device is provided. Figure 5 FIG. 1 is an internal structure diagram of an electronic device in an embodiment. The electronic device may be a terminal such as a mobile phone. The internal structure diagram may be as follows: Figure 5 As shown. The electronic device may include a processor, a memory, a communication interface, a display screen and an input device connected via a system bus. In addition, the electronic device also includes (not shown in the figure): multiple antenna components, a specific absorption rate SAR sensor and a distance sensor. Among them, the processor of the electronic device is used to provide computing and control capabilities. The memory of the electronic device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of the operating system and the computer program in the non-volatile storage medium. The communication interface of the electronic device is used to communicate with an external terminal in a wired or wireless manner, and the wireless manner can be implemented through WIFI, an operator network, near field communication (Near Field Communication, referred to as NFC) or other technologies. When the computer program is executed by the processor, a radiation power control method is implemented. The display screen of the electronic device can be a liquid crystal display screen or an electronic ink display screen, and the input device of the electronic device can be a touch layer covered on the display screen, or a key, trackball or touchpad set on the housing of the electronic device, or an external keyboard, touchpad or mouse.

[0112] Those skilled in the art will understand that Figure 5 The structure shown in the figure is merely a block diagram of a partial structure related to the scheme of the present application, and does not constitute a limitation on the electronic device to which the scheme of the present application is applied. The specific electronic device may include more or fewer components than shown in the figure, or combine certain components, or have a different arrangement of components.

[0113] In one embodiment, the radiation power control device provided in the present application can be implemented in the form of a computer program. The computer program can be Figure 5 The memory of the electronic device may store various program modules constituting the radiation power control device, for example, Figure 4The detection result receiving module 401, the target scene determining module 402 and the power reduction control module 403 are shown. The computer program composed of various program modules enables the processor to execute the steps of the radiation power control method of each embodiment of the present application described in this specification.

[0114] For example, Figure 5 The electronic device shown can be Figure 4 The detection result receiving module 401 in the radiation power control device shown in the figure performs the steps of receiving the first detection result output by the SAR sensor and the second detection result output by the distance sensor when it is detected that the electronic device is in a communication state. The electronic device can determine the corresponding target scene according to the first detection result and the second detection result through the target scene determination module 402. The electronic device can control the multiple antenna components to reduce the radiation power when it is determined that the target scene meets the preset SAR power reduction condition through the power reduction control module 403.

[0115] In one embodiment, an electronic device is provided, comprising: a plurality of antenna assemblies, a specific absorption rate (SAR) sensor, a distance sensor, a memory and a processor, wherein the SAR sensor is respectively connected to at least two of the plurality of antenna assemblies through a plurality of detection channels, the distance sensor is located on the front and / or back of the electronic device, the memory stores a computer program, the processor is respectively connected to the SAR sensor, the distance sensor and the plurality of antenna assemblies, and the following steps are implemented when the computer program is executed: when it is detected that the electronic device is in a communication state, receiving a first detection result output by the SAR sensor and a second detection result output by the distance sensor; determining a corresponding target scene according to the first detection result and the second detection result; and when it is determined that the target scene meets a preset SAR power reduction condition, controlling the plurality of antenna assemblies to reduce radiation power.

[0116] In one embodiment, the first detection result includes at least two approaching or moving away determination results, the second detection result includes one approaching or moving away determination result, and the computer program when executed by the processor further implements the following steps: determining the corresponding target scene based on at least three approaching or moving away determination results.

[0117] In one embodiment, at least one of the at least two antenna assemblies is a transmitting antenna assembly located at the top of the electronic device; the determining that the target scene satisfies the preset SAR power reduction condition includes: when determining that the target scene is a preset scene, determining that the preset SAR power reduction condition is satisfied, wherein the preset scene includes the head SAR test scene in the over-the-air download technology OTA head-side test scene, the body SAR top test scene in a free placement state, and the body SAR back and / or side test scene, but does not include the OTA head-hand test scene and the OTA free placement state test scene.

[0118] In one embodiment, at least one of the at least two antenna assemblies is a transmitting antenna assembly located at the bottom of the electronic device; accordingly, the preset scenario also includes: a bottom SAR test scenario in an OTA handheld test scenario.

[0119] In one embodiment, at least one of the at least two antenna assemblies is a transmitting antenna assembly located on a side of the electronic device; accordingly, the preset scenario also includes: a body SAR back and / or side test scenario.

[0120] In one embodiment, a computer-readable storage medium is provided, on which a computer program is stored. When the computer program is executed by a processor, the following steps are implemented: when it is detected that the electronic device is in a communication state, receiving a first detection result output by a SAR sensor and a second detection result output by the distance sensor; determining a corresponding target scene according to the first detection result and the second detection result; and when it is determined that the target scene meets a preset SAR power reduction condition, controlling the multiple antenna components to reduce radiation power.

[0121] In one embodiment, the first detection result includes at least two approaching or moving away determination results, the second detection result includes one approaching or moving away determination result, and the computer program when executed by the processor further implements the following steps: determining the corresponding target scene based on at least three approaching or moving away determination results.

[0122] In one embodiment, at least one of the at least two antenna assemblies is a transmitting antenna assembly located at the top of the electronic device; the determining that the target scene satisfies the preset SAR power reduction condition includes: when determining that the target scene is a preset scene, determining that the preset SAR power reduction condition is satisfied, wherein the preset scene includes the head SAR test scene in the over-the-air download technology OTA head-side test scene, the body SAR top test scene in a free placement state, and the body SAR back and / or side test scene, but does not include the OTA head-hand test scene and the OTA free placement state test scene.

[0123] In one embodiment, at least one of the at least two antenna assemblies is a transmitting antenna assembly located at the bottom of the electronic device; accordingly, the preset scenario also includes: a bottom SAR test scenario in an OTA handheld test scenario.

[0124] In one embodiment, at least one of the at least two antenna assemblies is a transmitting antenna assembly located on a side of the electronic device; accordingly, the preset scenario also includes: a body SAR back and / or side test scenario.

[0125] By adopting the above technical solution and coordinating the two detection results, it is possible to accurately identify whether the current scene needs to reduce the SAR value, and then adjust the radiation power of multiple antenna components to prevent misjudgment and more reasonably balance OTA performance and SAR value.

[0126] Those of ordinary skill in the art can understand that all or part of the processes in the above-mentioned embodiment methods can be completed by instructing the relevant hardware through a computer program, and the computer program can be stored in a non-volatile computer-readable storage medium. When the computer program is executed, it can include the processes of the embodiments of the above-mentioned methods. Among them, any reference to the memory, database or other medium used in the embodiments provided in the present application can include at least one of non-volatile and volatile memory. Non-volatile memory may include read-only memory (ROM), magnetic tape, floppy disk, flash memory or optical memory, etc. Volatile memory may include random access memory (RAM) or external cache memory. As an illustration and not limitation, RAM is available in various forms, such as static random access memory (SRAM) and dynamic random access memory (DRAM).

[0127] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0128] The above-mentioned embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application shall be subject to the attached claims.

Claims

1. A radiation power control method, characterized in that: Applicable to electronic devices, the electronic devices comprising: multiple antenna components, a specific absorption rate (SAR) sensor, a distance sensor and a processor; The SAR sensor is connected to at least two antenna assemblies of the multiple antenna assemblies through multiple detection channels respectively; The distance sensor is located on the front and / or back of the electronic device; The processor is connected to the SAR sensor, the distance sensor and the multiple antenna assemblies respectively, and is used to adjust the radiation power of the multiple antenna assemblies according to the first detection result output by the SAR sensor and the second detection result output by the distance sensor; The radiation power control method comprises: In the case where it is detected that the electronic device is in a communication state, receiving a first detection result output by a specific absorption rate (SAR) sensor and a second detection result output by the distance sensor; Determine a corresponding target scene according to the first detection result and the second detection result; When it is determined that the target scene meets the preset SAR power reduction condition, controlling the multiple antenna components to reduce the radiation power; The first detection result includes at least two approaching or moving away determination results, and the second detection result includes one approaching or moving away determination result; Accordingly, determining the corresponding target scene according to the first detection result and the second detection result includes: Determine a corresponding target scene according to at least three approaching or moving away determination results; At least one of the at least two antenna assemblies is a transmitting antenna assembly located on top of the electronic device; The determining that the target scene meets a preset SAR power reduction condition includes: When it is determined that the target scene is any preset scene, it is determined that the preset SAR power reduction condition is met, wherein the preset scene includes the head SAR test scene in the OTA head-side test scene of the air download technology, the body SAR top test scene in a free placement state, and the body SAR back and / or side test scene, but does not include the OTA head and hand test scene and the OTA free placement state test scene.

2. The method according to claim 1, characterized in that At least one of the at least two antenna assemblies is a transmitting antenna assembly located on the top of the electronic device.

3. The method according to claim 1, characterized in that At least one of the at least two antenna assemblies is a transmitting antenna assembly located at the bottom of the electronic device; Correspondingly, the preset scenario also includes: a bottom SAR test scenario in the OTA handheld test scenario.

4. The method according to claim 1, characterized in that: At least one of the at least two antenna assemblies is a transmitting antenna assembly located on a side of the electronic device; Correspondingly, the preset scenarios also include: body SAR back and / or side test scenarios.

5. A radiation power control device, characterized in that: The electronic device configured in the method according to any one of claims 1 to 4 comprises: A detection result receiving module, used for receiving a first detection result output by the specific absorption rate (SAR) sensor and a second detection result output by the distance sensor; A target scene determination module, used to determine a corresponding target scene according to the first detection result and the second detection result; The power reduction control module is used to control the multiple antenna components to reduce the radiation power when it is determined that the target scene meets the preset SAR power reduction condition.

6. An electronic device, characterized in that: include: Multiple antenna assemblies, a Specific Absorption Rate (SAR) sensor, a distance sensor, a memory, and a processor; The SAR sensor is connected to at least two antenna assemblies of the multiple antenna assemblies through multiple detection channels respectively; The distance sensor is located on the front and / or back of the electronic device; The memory stores a computer program; The processor is connected to the SAR sensor, the distance sensor and the plurality of antenna assemblies respectively, and implements the steps of the method according to any one of claims 1 to 4 when executing the computer program.

7. A computer-readable storage medium having a computer program stored thereon, 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 4 are implemented.

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