CN112040537B - SAR fallback method, terminal device and computer readable storage medium - Google Patents
SAR fallback method, terminal device and computer readable storage medium Download PDFInfo
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- CN112040537B CN112040537B CN202010839092.8A CN202010839092A CN112040537B CN 112040537 B CN112040537 B CN 112040537B CN 202010839092 A CN202010839092 A CN 202010839092A CN 112040537 B CN112040537 B CN 112040537B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
- H04W52/146—Uplink power control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0602—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching
- H04B7/0604—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching with predefined switching scheme
Abstract
The embodiment of the invention discloses an SAR (synthetic aperture radar) backspacing method, terminal equipment and a computer readable storage medium, which are used for identifying the states of other antenna types through a specific interface after the antenna types identify the states of the antenna types to perform SAR backspacing processing, so that the software complexity is reduced, and the SAR backspacing method is more beneficial to being implemented in a higher-priority software architecture. The method provided by the embodiment of the invention comprises the following steps: under the condition of triggering a specific absorption rate SAR scene, acquiring a first current working antenna of a first antenna type and corresponding first current transmitting power; acquiring a second current working antenna of a second antenna type through a specific interface; determining a first power threshold of the first antenna type according to the first currently operating antenna and the second currently operating antenna; and carrying out SAR fallback processing under the condition that the first current transmission power is larger than the first power threshold.
Description
Technical Field
The present invention relates to the field of communications, and in particular, to a method for SAR rollback, a terminal device, and a computer-readable storage medium.
Background
At present, people pay more and more attention to their health and safety, and pay more and more attention to radiation of end products, so that the requirement on the Specific Absorption Rate (SAR) value of the end products is more and more strict. With the increasing market competition, how to make products with high indexes, low radiation and low price, becomes a competitive trend for each end product manufacturer. The SAR value is in direct proportion to the radiation power of a terminal product, the higher the radiation power is, the higher the SAR is, and the most direct method for reducing the SAR value is to reduce the radiation power. North american market mandates that terminals pass the Federal Communications Commission (Federal Communications Commission, abbreviated as FCC) SAR certification test, the SAR value is lower than 1.6mw/g.
The prior art mainly reduces the near-field radiation hot spot through a special antenna design, or reduces the SAR value through Radio Frequency (RF) power back-off. The SAR test result of the current antenna can be determined by a method of acquiring the switching state of the multiple antennas. However, this approach is not applicable in higher priority software architecture systems.
Disclosure of Invention
The embodiment of the invention provides an SAR fallback method, terminal equipment and a computer readable storage medium, which are used for identifying the states of other antenna types through a specific interface after the antenna types identify the states of the antenna types, the SAR rollback processing is performed, so that the software complexity is reduced, and the implementation in a higher-priority software architecture is facilitated.
In view of this, a first aspect of the present invention provides a method for SAR rollback, which may include:
under the condition of triggering a specific absorption rate SAR scene, acquiring a first current working antenna of a first antenna type and corresponding first current transmitting power;
acquiring a second current working antenna of a second antenna type through a specific interface;
determining a first power threshold of the first antenna type according to the first currently operating antenna and the second currently operating antenna;
and carrying out SAR fallback processing under the condition that the first current transmission power is larger than the first power threshold.
A second aspect of the present invention provides a terminal device, the method can comprise the following steps:
the acquisition module is used for acquiring a first current working antenna of a first antenna type and corresponding first current transmitting power under the condition of triggering a specific absorption rate SAR scene; through a specific interface obtaining a second antenna a second currently operating antenna of the type;
a processing module for determining, based on the first currently operating antenna and the second currently operating antenna, determining a first power threshold for the first antenna type; in the event that the first present transmit power is greater than the first power threshold, and carrying out SAR rollback processing.
A third aspect of an embodiment of the present invention provides a terminal device, which may include:
a memory storing executable program code;
and a processor coupled to the memory;
the processor calls the executable program code stored in the memory for performing the method according to the first aspect of the embodiment of the present invention.
A fourth aspect of embodiments of the present invention provides a computer-readable storage medium, having a computer program stored thereon, which when executed by a processor implements a method according to the first aspect of an embodiment of the present invention.
A fifth aspect of the embodiments of the present invention discloses a computer program product, which, when running on a computer, causes the computer to execute the method of the first aspect of the embodiments of the present invention.
<xnotran> , , , , . </xnotran>
According to the technical scheme, the embodiment of the invention has the following advantages:
in the embodiment of the invention, under the condition of triggering a specific absorption rate SAR scene, a first current working antenna of a first antenna type and corresponding first current transmitting power are obtained; acquiring a second current working antenna of a second antenna type through a specific interface; determining a first power threshold of the first antenna type according to the first current working antenna and the second current working antenna; and carrying out SAR fallback processing under the condition that the first current transmission power is larger than the first power threshold. After the antenna types identify the states of the antenna types, the states of other antenna types are identified through a specific interface to perform SAR rollback processing, so that the software complexity is reduced, and the implementation in a higher-priority software architecture is facilitated.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the embodiments and the drawings used in the description of the prior art, and obviously, the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained according to the drawings.
Fig. 1 is a schematic diagram of the terminal device with antennas distributed at different positions according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an embodiment of a method for SAR fallback in an embodiment of the present invention;
fig. 3 is a flowchart of SAR fallback for a first antenna type in an embodiment of the present invention;
fig. 4 is a flowchart of SAR backoff for a second antenna type in an embodiment of the present invention;
FIG. 5 is a diagram of an embodiment of a terminal device in an embodiment of the present invention;
fig. 6 is a schematic diagram of another embodiment of the terminal device in the embodiment of the present invention.
Detailed Description
The embodiment of the invention provides an SAR back-off method, terminal equipment and a computer readable storage medium, which are used for identifying the states of other antenna types through a specific interface after the antenna types identify the states of the antenna types to perform SAR back-off processing, so that the software complexity is reduced, and the SAR back-off method is more beneficial to being implemented in a higher-priority software architecture.
In order to make those skilled in the art better understand the technical solutions of the present invention, the technical solutions in the embodiments of the present invention will be described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The embodiments based on the present invention should fall into the protection scope of the present invention.
In one implementation, the SAR fallback processing is performed by a predictive model, but the algorithm is complex.
In another implementation manner, whether the terminal simultaneously works in a New 5G wireless communication system (New Radio, NR) frequency band and a preset frequency band is judged through an obtained working frequency band of the terminal, when the terminal simultaneously works in the New 5G NR frequency band and the preset frequency band, a control instruction is generated, the upper limit value of the transmission power of the 5G antenna is reduced to a first preset threshold value by the control instruction, and/or the upper limit value of the transmission power of the antenna corresponding to the preset frequency band is reduced to a second preset threshold value according to the control instruction, so that when the terminal simultaneously works in the 5G NR frequency band and the preset frequency band, in order to reduce the SAR after the 5G NR frequency band and the preset frequency band are overlapped, the SAR is reduced by reducing the upper limit value of the transmission power of the antenna corresponding to the 5G antenna and/or the preset frequency band, and thus, the technical problem that the SAR value exceeds the standard of the terminal where a plurality of communication systems simultaneously work is solved, thereby reducing the SAR emission of the terminal to a human body. But the consideration of the scenes is less, and the multi-antenna intelligent switching scene is not considered.
In another implementation mode, a preset state list is inquired according to the current switch level by detecting the current switch level to obtain an SAR test result of the current antenna, wherein a plurality of switch levels and corresponding SAR test results are recorded in the state list, and different switch levels correspond to different antennas; and when the searched SAR test result is failed or the searched SAR test result is larger than a preset threshold value, reducing the maximum conducted power of the current antenna. <xnotran> , SAR , , . </xnotran> However, the method for acquiring the multi-antenna switch state is not applicable to a 5G software architecture system, and the switch states described in 4G and 5G, WIFI belong to different software modules and cannot be read uniformly.
It is understood that the terminal device according to the embodiment of the present invention may include a general handheld electronic terminal, such as a mobile phone, a smart phone, a portable terminal, a Personal Digital Assistant (PDA), a Portable Multimedia Player (PMP) device, a notebook computer, a notebook (Note Pad), a Wireless Broadband (Wibro) terminal, a tablet computer (PC), an intelligent PC, a Point of Sales (POS), a car computer, and the like.
The terminal device may also comprise a wearable device. The wearable device may be worn directly on the user or may be a portable electronic device integrated into the user's clothing or accessories. Wearable equipment is not only a hardware equipment, can realize powerful intelligent function through software support and data interaction, high in the clouds interaction more, for example: a calculation function, a positioning function and an alarm function, meanwhile, the mobile phone can be connected with various terminals. Wearable devices may include, but are not limited to, wrist-supported watch types (e.g., wrist watches, wrist-supported products), foot-supported shoes types (e.g., shoes, socks, or other leg-worn products), head-supported Glass types (e.g., glasses, helmets, headbands, etc.), and various types of non-mainstream products such as smart clothing, bags, crutches, accessories, and the like.
A terminal device may be referred to as a User Equipment (UE), a Mobile Station (MS), a mobile terminal (mobile terminal), an intelligent terminal, and the like, and the terminal device may communicate with one or more core networks through a Radio Access Network (RAN). For example, the terminal equipment may be a mobile phone (or so-called "cellular" phone), a computer with a mobile terminal, etc., and the terminal equipment may also be a portable, pocket, hand-held, computer-included or car-mounted mobile device and terminal equipment in future NR networks, which exchange voice or data with the radio access network.
The embodiment of the invention provides a set of SAR backspacing method which can be realized under a software architecture with 5G and higher communication priority, and on the premise of meeting the compliance, the backspacing is less under different scenes, so that the antenna emission performance is ensured to the greatest extent.
As shown in figure 1 of the drawings, in which, the invention is a schematic diagram of the terminal device with antennas distributed at different positions. For convenience of explanation, it is assumed that the device has 3 types of transmit antennas (TX) 1, TX2, TX3. Wherein TX1 switches over antennas (Antenna, ANT) 2 and ANT7, TX2 switches over ANT3, 4, 5, 6, TX3 switches over ANT1 and ANT 8.
The following describes the technical solution of the present invention with reference to fig. 1 by way of an embodiment, and as shown in fig. 2, the method for SAR rollback in an embodiment of the present invention is schematically illustrated, and the method may include:
201. under the condition of triggering a specific absorption rate SAR scene, acquiring a first current working antenna of a first antenna type and corresponding first current transmitting power.
Under the condition of triggering a specific absorption rate SAR scene, the terminal equipment acquires a first current working antenna of a first antenna type and corresponding first current transmitting power.
Optionally, the triggering specific absorption rate SAR scenario may include: and triggering the SAR scene when the target object is detected in the preset range. For example, the triggered SAR scenario may be a scenario where the terminal device detects light-sensitive proximity, the earpiece is open, a living organism is close, a talking scenario, a placement on a living organism (e.g., a belly), etc.
As an example, in case of a triggered specific absorption rate SAR scenario, and acquiring a first current working antenna ANT2 of the first antenna type TX1 and a first current transmitting power W1 corresponding to the ANT 2.
202. A second currently operating antenna of a second antenna type is obtained through the specific interface.
Optionally, in a case that the first antenna type and the second antenna type have different systems, the obtaining, by the terminal device, a second current working antenna of the second antenna type through a specific interface may include: and the terminal equipment acquires a second current working antenna of a second antenna type through a specific software interface between different systems.
Optionally, under the condition that the systems of the first antenna type and the second antenna type are the same, the obtaining, by the terminal device, a second current working antenna of the second antenna type may include: and the terminal equipment acquires a second current working antenna of a second antenna type through a specific software interface in the same system.
Optionally, the first antenna type and the second antenna type are any one or at least two of Long Term Evolution (LTE), new wireless NR, wireless fidelity, and bluetooth, respectively.
Illustratively, the terminal device obtains the second currently operating antenna ANT3 of the second antenna type TX2 through a specific interface.
203. Determining a first power threshold for the first antenna type based on the first currently operating antenna and the second currently operating antenna.
Optionally, the terminal device, according to the first currently operating antenna and the second currently operating antenna, determining a first power threshold for the first antenna type may include: the terminal equipment determines the working state of the current antenna according to the first current working antenna and the second current working antenna; and determining a first power threshold of the first antenna type according to the current antenna working state and a preset power threshold, wherein the preset power threshold comprises mapping relations between different antenna working states and different antenna types.
It can be understood that the terminal device stores the SAR state index table corresponding to each antenna in different antenna types, which may also be referred to as an antenna operating state index table. Illustratively, the description is made by taking the terminal device including the TX1 and TX2 antenna types as an example, as shown in the following table 1:
TABLE 1
<xnotran> , 2 : </xnotran>
| TX1 threshold | TX2 threshold | |
| state(2，3) | W(2，3，1) | W(2，3，2) |
| state(2，4) | W(2，4，1) | W(2，4，2) |
| state(2，5) | W(2，5，1) | W(2，5，2) |
| state(2，6) | W(2，6，1) | W(2，6，2) |
| state(7，3) | W(7，3，1) | W(7，3，2) |
| state(7，4) | W(7，4，1) | W(7，4，2) |
| state(7，5) | W(7，5，1) | W(7，5，2) |
| state(7，6) | W(7，6，1) | W(7，6，2) |
TABLE 2
Exemplarily, as can be obtained by combining table 1 and table 2, the terminal device determines the current antenna operating state (2,3) according to the first current operating antenna ANT2 and the second current operating antenna ANT 3; the terminal device may obtain a first power threshold W (2,3,1) of the first antenna type TX1 according to the current antenna operating state (2,3) and the preset power threshold.
It should be noted that, the antenna types TX1 and TX2 are exemplified here, the embodiment of the present invention does not limit the number of the specific antenna types TX, and when the TX is more, tables 1 and 2 store the TX types in a matrix with a larger dimension.
204. And carrying out SAR fallback processing under the condition that the first current transmission power is larger than the first power threshold.
Optionally, when the first current transmission power is greater than the first power threshold, the performing, by the terminal device, SAR backoff processing may include: under the condition that the first current transmission power is larger than the first power threshold, the terminal equipment adjusts the first current transmission power into a first adjusted transmission power, wherein the first adjusted transmission power is smaller than or equal to the first power threshold; and the terminal equipment controls the first current working antenna to communicate according to the first adjusted transmitting power.
Illustratively, the SAR back-off process is performed when the first current transmit power W1 is greater than the first power threshold W (2,3,1). For example: and adjusting the first current transmitting power W1 corresponding to the first current working antenna ANT2 to be the first adjusted transmitting power W1', wherein W1' is less than or equal to W (2,3,1), and then controlling the first current working antenna ANT2 to transmit according to the first adjusted transmitting power W1 '.
Optionally, the terminal device controls the first current working antenna to transmit according to the first current transmission power when the first current transmission power is less than or equal to the first power threshold.
Optionally, the method may further include: the terminal equipment acquires a second current transmitting power corresponding to the second current working antenna through the specific interface; the terminal equipment determines a second power threshold value of the second antenna type according to the first current working antenna and the second current working antenna; and under the condition that the second current transmission power is greater than the second power threshold, the terminal equipment performs SAR back-off processing.
Optionally, the determining, by the terminal device, the second power threshold of the second antenna type according to the first currently operating antenna and the second currently operating antenna may include: the terminal equipment determines the working state of the current antenna according to the first current working antenna and the second current working antenna; and determining a second power threshold of a second antenna type according to the current antenna working state and a preset power threshold, wherein the preset power threshold comprises mapping relations between different antenna working states and different antenna types.
Fig. 3 is a flowchart of SAR fallback of a first antenna type in the embodiment of the present invention. In an exemplary manner, the first and second electrodes are, and a second current transmitting power W2 corresponding to the second current working antenna ANT3. By combining table 1 and table 2, the terminal device determines the operating state of the current antenna according to the first current operating antenna ANT2 and the second current operating antenna ANT3 (2,3); the terminal device may obtain a second power threshold W (2,3,2) of the second antenna type TX2 according to the current antenna operating state (2,3) and the preset power threshold.
Optionally, when the second current transmission power is greater than the second power threshold, the performing, by the terminal device, SAR fallback processing may include: under the condition that the second current transmission power is larger than the second power threshold, the terminal equipment adjusts the second current transmission power into a second adjusted transmission power, wherein the second adjusted transmission power is smaller than or equal to the second power threshold; and the terminal equipment controls the second current working antenna to carry out communication according to the second adjusted transmitting power.
Fig. 4 is a flowchart of SAR backoff for the second antenna type in the embodiment of the present invention. Illustratively, the SAR back-off process is performed when the second current transmission power W2 is greater than the second power threshold W (2,3,2). For example: and adjusting the second current transmitting power W2 corresponding to the second current working antenna ANT3 to the first adjusted transmitting power W2', wherein W2' is less than or equal to W (2,3,2), and then controlling the second current working antenna ANT3 to transmit according to the second adjusted transmitting power W2 '.
Optionally, the terminal device controls the second current working antenna to transmit according to the second current transmission power when the second current transmission power is less than or equal to the second power threshold.
Optionally, the first currently operating antenna and the second currently operating antenna are current transmitting antennas.
Optionally, the terminal device obtains a current working antenna of each antenna type and a corresponding current transmission power, and the terminal device may obtain, through a specific software interface, a current working antenna of another antenna type for each antenna type, determine a current antenna working state of the terminal device according to its current working antenna and the current working antennas of the other antenna types, and perform SAR backoff processing according to the current antenna working state and a preset power threshold.
For example, it is assumed that the terminal device currently only operates with the antenna types TX1 and TX2, where TX1 is on ANT7 and TX2 is on ANT 5. When the state of the terminal equipment triggers the SAR scene N, the TX1 identifies that the terminal equipment works on the ANT7, and the TX2 identifies that the terminal equipment works on the ANT5 through a specific software interface, so that the current working state (7,5) of the terminal equipment working in the SAR scene N is obtained. Taking LTE and NR as an example, LTE identifies that its own device operates on ANT7, that is, LTE identifies that NR operates on ANT5 through an interface between two software modules, thereby obtaining a current operating state. And obtaining the SAR threshold value of the TX1 on the ANT7 by the threshold value table (the table 2) and the state (7,5) of the scene N after obtaining the current working state (7,5) of the SAR scene N, and performing power backoff if the working power of the current TX1 on the ANT7 is greater than the SAR threshold value. Likewise, TX2 is also.
In the embodiment of the invention, under a certain SAR scene, the terminal equipment can transmit to which antenna through each antenna type, thereby determining the current overall state of the terminal equipment, namely the current working state, refining the working state of the terminal equipment, reducing the SAR back-off value and ensuring the communication performance on the premise of meeting the compliance. <xnotran> , , , , 5G . </xnotran>
The embodiment of the invention provides an SAR backspacing method, which obtains the current subdivision state of terminal equipment through mutual identification among software modules, greatly reduces unnecessary SAR backspacing and ensures communication performance.
As shown in fig. 5, which is a schematic diagram of an embodiment of a terminal device in the embodiment of the present invention, the schematic diagram may include:
an obtaining module 501, configured to obtain a first current working antenna of a first antenna type and a corresponding first current transmission power under a condition that a specific absorption rate SAR scenario is triggered; acquiring a second current working antenna of a second antenna type through a specific interface;
a processing module 502, configured to determine a first power threshold of the first antenna type according to the first currently operating antenna and the second currently operating antenna; and carrying out SAR fallback processing under the condition that the first current transmission power is larger than the first power threshold.
Alternatively, in some embodiments of the present invention,
the processing module 502 is specifically configured to, under the condition that the systems of the first antenna type and the second antenna type are different, obtain a second current working antenna of the second antenna type through a specific software interface between different systems.
Alternatively, in some embodiments of the present invention,
the processing module 502 is specifically configured to, under the condition that the systems of the first antenna type and the second antenna type are the same, obtain a second current working antenna of the second antenna type through a specific software interface in the same system.
Alternatively, in some embodiments of the present invention,
a processing module 502, specifically configured to determine a current antenna operating state according to the first current operating antenna and the second current operating antenna; and determining a first power threshold of the first antenna type according to the current antenna working state and a preset power threshold, wherein the preset power threshold comprises mapping relations between different antenna working states and different antenna types.
Alternatively, in some embodiments of the present invention,
a processing module 502, specifically configured to adjust the first current transmission power to a first adjusted transmission power when the first current transmission power is greater than the first power threshold, where the first adjusted transmission power is less than or equal to the first power threshold; and controlling the first current working antenna to communicate according to the first adjusted transmitting power.
Alternatively, in some embodiments of the present invention,
the processing module 502 is further configured to obtain, through the specific interface, a second current transmission power corresponding to the second current working antenna; determining a second power threshold of the second antenna type according to the first currently operating antenna and the second currently operating antenna; and carrying out SAR fallback processing under the condition that the second current transmission power is larger than the second power threshold.
Alternatively, in some embodiments of the invention,
the processing module 502 is specifically configured to detect a target object within a preset range and trigger an SAR scene.
Optionally, in some embodiments of the present invention, the first antenna type and the second antenna type are any one of long term evolution LTE, new wireless NR, wireless fidelity, and bluetooth, respectively.
As shown in fig. 6, which is a schematic diagram of another embodiment of the terminal device in the embodiment of the present invention, the schematic diagram may include:
fig. 6 is a block diagram illustrating a partial structure of a mobile phone related to a terminal device according to an embodiment of the present invention. Referring to fig. 6, the handset includes: radio Frequency (RF) circuit 610, memory 620, input unit 630, display unit 640, sensor 650, audio circuit 660, wireless fidelity (WiFi) module 670, processor 680, and power supply 690. Those skilled in the art will appreciate that the handset configuration shown in fig. 6 is not intended to be limiting and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
The following describes each component of the mobile phone in detail with reference to fig. 6:
the RF circuit 610 may be used for receiving and transmitting signals during information transmission and reception or during a call, and in particular, receives downlink information of a base station and then processes the received downlink information to the processor 680; in addition, the data for designing uplink is transmitted to the base station. In general, RF circuit 610 includes, but is not limited to, an antenna, at least one Amplifier, a transceiver, a coupler, a Low Noise Amplifier (LNA), a duplexer, and the like. In addition, the RF circuitry 610 may also communicate with networks and other devices via wireless communications. The wireless communication may use any communication standard or protocol, including but not limited to Global System for Mobile communication (GSM), general Packet Radio Service (GPRS), code Division Multiple Access (CDMA), wideband Code Division Multiple Access (WCDMA), long Term Evolution (LTE), email, short Messaging Service (SMS), etc.
The memory 620 may be used to store software programs and modules, and the processor 680 may execute various functional applications of the mobile phone and data processing by operating the software programs and modules stored in the memory 620. The memory 620 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 620 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The input unit 630 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the cellular phone. Specifically, the input unit 630 may include a touch panel 631 and other input devices 632. The touch panel 631, also referred to as a touch screen, can collect touch operations of a user (e.g., operations of the user on the touch panel 631 or near the touch panel 631 by using any suitable object or accessory such as a finger, a stylus, etc.) thereon or nearby, and drive the corresponding connection device according to a preset program. Alternatively, the touch panel 631 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 680, and can receive and execute commands sent by the processor 680. In addition, the touch panel 631 may be implemented using various types, such as resistive, capacitive, infrared, and surface acoustic wave. The input unit 630 may include other input devices 632 in addition to the touch panel 631. In particular, other input devices 632 may include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like.
The display unit 640 may be used to display information input by the user or information provided to the user and various menus of the mobile phone. The Display unit 640 may include a Display panel 641, and optionally, the Display panel 641 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like. Further, the touch panel 631 may cover the display panel 641, and when the touch panel 631 detects a touch operation thereon or nearby, the touch operation is transmitted to the processor 680 to determine the type of the touch event, and then the processor 680 provides a corresponding visual output on the display panel 641 according to the type of the touch event. Although in fig. 6, the touch panel 631 and the display panel 641 are two independent components to implement the input and output functions of the mobile phone, in some embodiments, the touch panel 631 and the display panel 641 may be integrated to implement the input and output functions of the mobile phone.
The handset may also include at least one sensor 650, such as a light sensor, motion sensor, and other sensors. Specifically, the light sensor may include an ambient light sensor that adjusts the brightness of the display panel 641 according to the brightness of ambient light, and a proximity sensor that turns off the display panel 641 and/or the backlight when the mobile phone is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when stationary, and can be used for applications of recognizing the gesture of the mobile phone (such as horizontal and vertical screen switching, related games, magnetometer gesture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be configured on the mobile phone, the description is omitted here.
WiFi belongs to short-distance wireless transmission technology, and the mobile phone can help a user to receive and send e-mails, browse webpages, access streaming media and the like through the WiFi module 670, and provides wireless broadband Internet access for the user. Although fig. 6 shows a WiFi module 670, it is understood that it does not belong to the essential component of the handset, may be omitted as necessary within a range not changing the essence of the invention.
The processor 680 is a control center of the mobile phone, and connects various parts of the entire mobile phone by using various interfaces and lines, and performs various functions of the mobile phone and processes data by operating or executing software programs and/or modules stored in the memory 620 and calling data stored in the memory 620, thereby performing overall monitoring of the mobile phone. Optionally, processor 680 may include one or more processing units; preferably, the processor 680 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into processor 680.
The handset also includes a power supply 690 (e.g., a battery) for powering the various components, which may preferably be logically connected to the processor 680 via a power management system, such that the power management system may be used to manage charging, discharging, and power consumption.
Although not shown, the mobile phone may further include a camera, a bluetooth module, etc., which are not described herein.
In this embodiment of the present invention, the processor 680 further has the following functions:
under the condition of triggering a specific absorption rate SAR scene, acquiring a first current working antenna of a first antenna type and corresponding first current transmitting power;
acquiring a second current working antenna of a second antenna type through a specific interface;
determining a first power threshold of the first antenna type according to the first current working antenna and the second current working antenna;
and carrying out SAR fallback processing under the condition that the first current transmission power is larger than the first power threshold.
Optionally, the processor 680 further has the following functions:
and under the condition that the modes of the first antenna type and the second antenna type are different, acquiring a second current working antenna of the second antenna type through a specific software interface between different modes.
Optionally, the processor 680 further has the following functions:
and under the condition that the first antenna type and the second antenna type have the same system, acquiring a second current working antenna of the second antenna type through a specific software interface in the same system.
Optionally, the processor 680 further has the following functions:
determining the working state of the current antenna according to the first current working antenna and the second current working antenna; and determining a first power threshold of a first antenna type according to the current antenna working state and a preset power threshold, wherein the preset power threshold comprises mapping relations between different antenna working states and different antenna types.
Optionally, the processor 680 further has the following functions:
adjusting the first current transmit power to a first adjusted transmit power if the first current transmit power is greater than the first power threshold, the first adjusted transmit power being less than or equal to the first power threshold; and controlling the first current working antenna to communicate according to the first adjusted transmitting power.
Optionally, the processor 680 further has the following functions:
acquiring a second current transmitting power corresponding to the second current working antenna through the specific interface;
determining a second power threshold of the second antenna type according to the first currently operating antenna and the second currently operating antenna;
and carrying out SAR fallback processing under the condition that the second current transmission power is larger than the second power threshold.
Optionally, the processor 680 further has the following functions:
and detecting the target object in a preset range, and triggering the SAR scene.
Optionally, the first antenna type and the second antenna type are any one of long term evolution LTE, new wireless NR, wireless fidelity, and bluetooth, respectively.
In the above embodiments, all or part of the implementation may be realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product.
The computer program product includes one or more computer instructions. When loaded and executed on a computer, cause the processes or functions described in accordance with the embodiments of the invention to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another computer readable storage medium, for example, the computer instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center via wired (e.g., coaxial cable, fiber optic, digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) means. The computer-readable storage medium can be any available medium that a computer can store or a data storage device, such as a server, a data center, etc., that is integrated with one or more available media. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., solid State Disk (SSD)), among others.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present invention, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one position, or may be distributed on multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit may be implemented in the form of hardware, or may also be implemented in the form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk, and various media capable of storing program codes.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A method of SAR backoff, comprising:
under the condition of triggering a specific absorption rate SAR scene, acquiring a first current working antenna of a first antenna type and corresponding first current transmitting power;
acquiring a second current working antenna of a second antenna type through a specific interface;
determining the working state of the current antenna according to the first current working antenna and the second current working antenna; determining a first power threshold of the first antenna type according to the current antenna working state and a preset power threshold, wherein the preset power threshold comprises mapping relations between different antenna working states and different antenna types;
and carrying out SAR fallback processing under the condition that the first current transmission power is larger than the first power threshold.
2. The method according to claim 1, wherein in a case that the formats of the first antenna type and the second antenna type are different, the obtaining, through the specific interface, a second currently operating antenna of the second antenna type includes:
and acquiring a second current working antenna of a second antenna type through a specific software interface between different systems.
3. The method according to claim 1, wherein in a case that the standards of the first antenna type and the second antenna type are the same, the obtaining a second currently operating antenna of a second antenna type comprises:
and acquiring a second current working antenna of a second antenna type through a specific software interface in the same system.
4. The method according to any of claims 1-3, wherein the performing SAR back-off processing in the case that the first current transmission power is greater than the first power threshold comprises:
adjusting the first current transmit power to a first adjusted transmit power if the first current transmit power is greater than the first power threshold, the first adjusted transmit power being less than or equal to the first power threshold;
control said first currently operating antenna in accordance with the first adjusted transmit power is communicated.
5. The method according to any one of claims 1-3, further comprising:
acquiring a second current transmitting power corresponding to the second current working antenna through the specific interface;
determining a second power threshold of the second antenna type according to the first currently operating antenna and the second currently operating antenna;
and carrying out SAR fallback processing under the condition that the second current transmission power is larger than the second power threshold.
6. The method according to any of claims 1-3, characterized in that the triggered specific absorption rate, SAR, scenario comprises:
and triggering the SAR scene when the target object is detected in the preset range.
7. The method according to any of claims 1-3, wherein the first antenna type and the second antenna type are each any of Long term evolution, LTE, new Wireless NR, wireless Fidelity, bluetooth.
8. A terminal device, comprising:
the acquisition module is used for acquiring a first current working antenna of a first antenna type and corresponding first current transmitting power under the condition of triggering a specific absorption rate SAR scene; acquiring a second current working antenna of a second antenna type through a specific interface;
the processing module is used for determining the working state of the current antenna according to the first current working antenna and the second current working antenna; determining a first power threshold of the first antenna type according to the current antenna working state and a preset power threshold, wherein the preset power threshold comprises mapping relations between different antenna working states and different antenna types; and carrying out SAR fallback processing under the condition that the first current transmission power is larger than the first power threshold.
9. A terminal device, comprising:
a memory storing executable program code;
and a processor coupled to the memory;
the processor calls the executable program code stored in the memory for performing the method of any one of claims 1-7.
10. A computer-readable storage medium comprising instructions that, when executed on a computer, cause the computer to perform the method of any one of claims 1-7.
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