The maximum normal transmitting power of the antenna 1 and theantenna 2 in a B5 frequency band of an FDD LTE communication system is 23dBm, the maximum normal transmitting power of the antenna 1 and theantenna 2 in a B2 frequency band of the FDD LTE communication system is 23dBm, the maximum normal transmitting power of theantenna 3 in a B7 frequency band of the FDD LTE communication system is 23dBm, and the maximum normal transmitting power of the antenna 4 and theantenna 5 in a 2.4G frequency band of a WIFI communication system is 19dBm and 17dBm respectively.

Moreover, as can be seen from table 1 above, in the head SAR test scenario, the SAR value of 3.8W/Kg of theantenna 2 in the B2 frequency band of the FDD LTE communication system is greater than 1.6W/Kg and does not satisfy the SAR value index (less than 1.6W/Kg), and the SAR value of 3.2W/Kg of theantenna 3 in the B7 frequency band of the FDD LTE communication system is greater than 1.6W/Kg and does not satisfy the SAR value index. In a body SAR-10mm test scene, the SAR value 3W/Kg of the antenna 1 in a B2 frequency band of an FDD LTE communication system is greater than 1.6W/Kg and does not meet the SAR value index (less than 1.6W/Kg), the SAR value 3.5W/Kg of theantenna 2 in a B2 frequency band of the FDD LTE communication system is greater than 1.6W/Kg and does not meet the SAR value index, and the SAR value 3.6W/Kg of theantenna 3 in a B7 frequency band of the FDD LTE communication system is greater than 1.6W/Kg and does not meet the SAR value index. In a body SAR-15mm test scene, the SAR value of 3.5W/Kg of theantenna 2 in a B2 frequency band of an FDD LTE communication system is greater than 1.6W/Kg and does not meet the SAR value index (less than 1.6W/Kg), and the SAR value of 1.8W/Kg of theantenna 3 in a B7 frequency band of the FDD LTE communication system is greater than 1.6W/Kg and does not meet the SAR value index. In a Limb SAR-0mm test scene, the SAR value of 5.3W/Kg of the antenna 1 in a B2 frequency band of an FDD LTE communication system is greater than 4W/Kg, the SAR value index is not satisfied (when the SAR value in a body SAR-10mm test scene is greater than 1.2W/Kg, the SAR value in the Limb SAR-0mm test scene needs to be less than 4W/Kg), the SAR value of 5.4W/Kg of theantenna 2 in a B2 frequency band of the FDD LTE communication system is greater than 4W/Kg, the SAR value index is not satisfied, the SAR value of 5W/Kg of theantenna 3 in a B7 frequency band of the FDD LTE communication system is greater than 4W/Kg, and the SAR value index is not satisfied either.

Further, for the above case that the SAR value index is not satisfied, the maximum value of the transmission power of the corresponding antenna in the frequency band of the communication system may be set to be a preset power value, and for the case that the SAR value index is satisfied, the maximum value of the transmission power of the corresponding antenna in the frequency band of the communication system may be set to be a normal maximum value of the transmission power, so as to obtain a maximum value query table of the transmission power, and as an example, part of the content of the maximum value query table of the transmission power may be as shown in table 2 below:

TABLE 2

It should be noted that, in order to better satisfy the SAR value index requirement, when the SAR value of the antenna reaches the requirement by a critical value close to the SAR value index, the maximum value of the transmission power of the antenna in the frequency band of the corresponding communication system is still considered to be reduced, for example, referring to table 2, in a head SAR test scenario, although the SAR value 1.5W/Kg of theantenna 2 in the B5 frequency band of the FDD LTE communication system is less than 1.6W/Kg, and the SAR value index (less than 1.6W/Kg) can be satisfied, since the SAR value 1.5W/Kg is closer to the critical value 1.6W/Kg of the SAR value index, the maximum value of the transmission power of theantenna 2 in the B5 frequency band of the FDD LTE communication system is set to a preset power value 22dBm smaller than the maximum value of normal transmission power 23 dBm.

In specific implementation, the preset power value of the antenna corresponding to the SAR test scenario in the frequency band of the communication system may be obtained by querying the maximum transmit power lookup table, for example, the preset power value of the antenna 1 corresponding to the head SAR test scenario in the B5 frequency band of the FDD LTE communication system is 23dBm, the preset power value of theantenna 2 corresponding to the head SAR test scenario in the B5 frequency band of the FDD LTE communication system is 22dBm, and the like.

S1-2-2: and when the preset power value is smaller than the preset initial power value corresponding to the antenna, taking the corresponding antenna as a target antenna, taking the corresponding communication system as a target communication system, taking the corresponding frequency band as a target frequency band, and taking the corresponding preset power value as a target power value.

Continuing with the above table 2 in connection with the previous example, when the SAR test scenario is the head SAR test scenario, the preset power value of the corresponding antenna 2 in the B5 frequency band of the FDD LTE communication system is 22dBm, which is smaller than the preset initial power value 23dBm of the antenna 2; the preset power value of the antenna 2 corresponding to the head SAR test scene in the B2 frequency band of the FDD LTE communication system is 18dBm and is smaller than the preset initial power value 23dBm of the antenna 2; the preset power value of the other antenna 3 corresponding to the head SAR test scene in the B7 frequency band of the FDD LTE communication system is 19dBm and is smaller than the preset initial power value 23dBm of the antenna 3; the preset power value of the other antenna 4 corresponding to the head SAR test scene in the 2.4G frequency band of the WIFI communication system is 14dBm and is less than the preset initial power value of 19dBm of the antenna 4, so that the target antenna is determined to have the antenna 2, the antenna 3 and the antenna 4, the target communication system corresponding to the antenna 2 is FDD LTE, the target frequency band corresponding to the target communication system FDD LTE of the antenna 2 is B5 and B2, the target power value of the antenna 2 in the B2 frequency band of the FDD LTE communication system is 18dBm, the target power value of the antenna 2 in the B5 frequency band of the FDD LTE communication system is 22dBm, the target communication system corresponding to the antenna 3 is FDD LTE, the target frequency band corresponding to the target communication system FDD LTE of the antenna 3 is B7, the target power value of the antenna 3 in the B7 frequency band of the LTE communication system is 19dBm, the target communication system corresponding to the antenna 4 is WIFI, and the target frequency band corresponding to the target communication system of the antenna 4 is 2.4G, the target power value of the antenna 4 in the 2.4G frequency band of the WIFI communication system is 14 dBm.

S1-3: and adjusting the maximum value of the transmitting power of the target antenna in the target frequency band of the target communication system to a corresponding target power value.

As an example, when the SAR test scenario of the mobile terminal is the head SAR test scenario, the maximum transmission power of thetarget antenna 2 in the B2 frequency band of the FDD LTE communication system is adjusted to the corresponding target power value of 18dBm, the maximum transmission power of thetarget antenna 2 in the B5 frequency band of the FDD LTE communication system is adjusted to the corresponding target power value of 22dBm, the maximum transmission power of thetarget antenna 3 in the B7 frequency band of the FDD LTE communication system is adjusted to the corresponding target power value of 19dBm, the maximum transmission power of the target antenna 4 in the 2.4G frequency band of the WIFI communication system is adjusted to the corresponding target power value of 14dBm, and the maximum transmission power of the antenna is adjusted to the corresponding normal transmission power maximum value in other cases.

In some embodiments, after S1-3, the method further includes:

s1-4: and when the mobile terminal uses the target antenna for communication, controlling the transmitting power of the target antenna not to be larger than the maximum value of the adjusted transmitting power when the target antenna is used for communication in the target frequency band of the target communication system.

When the maximum value of the transmission power of each antenna in any frequency band of any communication system in the mobile terminal is the adjusted maximum value of the transmission power, the SAR values of the corresponding antennas in various SAR test scenes can be shown in table 3 below;

TABLE 3

Comparing table 1 and table 3, it can be seen that after the maximum value of the transmission power of the antenna is adjusted, the mobile terminal can meet the SAR index of the antenna in different SAR test scenes, and the SAR sum value when the WIFI and the cellular network transmit simultaneously is not more than 1.6W/Kg.

Different from the prior art, the method for adjusting the antenna transmission power in this embodiment is applied to a mobile terminal, and by monitoring the operation state of the mobile terminal, where the operation state includes a terminal motion state, a call state, a network state, and an object approaching and departing state, then when the operation state is monitored to change, obtaining the changed operation state, determining at least one communication system used by an antenna in the mobile terminal, and at least one frequency band corresponding to each communication system, and then adjusting the transmission power of the antenna according to the changed operation state, communication system, and frequency band, so that when the SAR value reaches the standard by reducing the antenna transmission power, the transmission power of the antenna in different frequency bands of different communication systems can be specifically determined, and the influence of multiple SAR test scenarios of the mobile terminal is fully considered, thereby solving the problems of large use limitation, and high possibility of reducing the antenna transmission power in the prior art, Poor adjustment effect and the like.

Referring to fig. 4, fig. 4 is a schematic structural diagram of an antenna transmission power adjustment apparatus according to an embodiment of the present application. As shown in fig. 4, the antenna transmissionpower adjusting apparatus 50 may be integrated in a mobile terminal, and includes:

(1)monitoring module 51

Themonitoring module 51 is configured to monitor an operation state of the mobile terminal, where the operation state includes a terminal motion state, a call state, a network state, and an object approaching and departing state.

In a specific embodiment, themonitoring module 51 may specifically include:

the monitoring unit is used for monitoring the acceleration variation of the mobile terminal in the three-axis direction by using the gravity acceleration sensor;

the first judging unit is used for judging that the motion state of the terminal is static when the acceleration variation in the three-axis direction is lower than a preset threshold;

and the second judging unit is used for judging that the motion state of the terminal is not in a static state when the acceleration variation in any one axis direction of the three axis directions is not lower than a preset threshold value.

(2)Determination module 52

The determiningmodule 52 is configured to, when it is monitored that the operation state changes, acquire the changed operation state, and determine at least one communication system used by an antenna in the mobile terminal and at least one frequency band corresponding to each communication system.

(3) Adjustingmodule 53

And an adjustingmodule 53, configured to adjust the transmitting power of the antenna according to the changed operating state, communication system, and frequency band.

In an embodiment, themonitoring module 52 may specifically include:

the first judging unit is used for judging whether the motion state of the terminal changes or not;

and the first monitoring unit is used for monitoring that the running state changes when the terminal motion state changes.

When the motion state of the terminal changes, the adjustingmodule 53 may specifically include:

the first adjusting unit is used for adjusting the maximum transmitting power of the antenna in any frequency band of any communication system to a corresponding preset initial power value when the changed terminal motion state is static;

and the second adjusting unit is used for adjusting the maximum value of the transmitting power of the antenna according to the communication system, the frequency band, the obtained communication state, the obtained network state and the obtained object approaching and departing state when the changed moving motion state is in a non-static state.

Further, themonitoring module 52 may further include:

the second judgment unit is used for judging whether the call state, the network state and/or the object approaching and departing state change or not when the terminal motion state does not change;

and the second monitoring unit is used for monitoring that the operation state changes when the motion state of the terminal does not change and the call state, the network state and/or the object approaching and departing state changes.

When the motion state of the terminal is not changed and the call state, the network state and/or the object approaching and departing state are changed, the second adjusting unit may be further configured to:

and when the obtained moving motion state is not in a static state, adjusting the maximum value of the transmitting power of the antenna according to the communication system, the frequency band, the obtained call state, the obtained network state and the obtained object approaching and departing state.

In a specific embodiment, the second adjusting unit may specifically include:

the first determining subunit is used for determining a corresponding specific absorption rate test scene according to the obtained call state, the network state and the object approaching and departing state;

the second determining subunit is configured to determine, according to the specific absorption rate test scenario, at least one target antenna, at least one target communication system used by each target antenna, at least one target frequency band corresponding to each target communication system, and a target power value corresponding to each target frequency band;

and the adjusting subunit is used for adjusting the maximum value of the transmitting power of the target antenna in the target frequency band of the target communication system to a corresponding target power value.

In some embodiments, the antennapower adjusting apparatus 50 may further include:

(4) control module

And the control module is used for controlling the transmitting power of the target antenna not to be larger than the adjusted maximum transmitting power when the mobile terminal uses the target antenna for communication in the target frequency band of the target communication system.

In specific implementation, the above modules, units and sub-units may be implemented as independent entities, or may be combined arbitrarily and implemented as one or several entities, and specific implementations of the above modules, units and sub-units may refer to the foregoing method embodiments, and are not described herein again.

Different from the prior art, the antenna transmission power adjusting device of the embodiment is applied to a mobile terminal, and by monitoring the operation state of the mobile terminal, wherein the operation state comprises a terminal motion state, a call state, a network state and an object approaching and departing state, then when the operation state is monitored to change, the changed operation state is obtained, at least one communication system used by an antenna in the mobile terminal and at least one frequency band corresponding to each communication system are determined, and then the transmission power of the antenna is adjusted according to the changed operation state, the communication system and the frequency band, so that when the SAR value reaches the standard by reducing the antenna transmission power, the transmission power of the antenna in different frequency bands of different communication systems can be specified, and the influence of various SAR test scenes of the mobile terminal is fully considered, thereby solving the problems of large use limitation, high cost and the like existing in the existing method for reducing the antenna transmission power, Poor adjustment effect and the like.

Correspondingly, the embodiment of the application further provides the mobile terminal, and the mobile terminal can be a smart phone, a tablet computer and other devices. As shown in fig. 5, themobile terminal 800 includes aprocessor 801, amemory 802. Theprocessor 801 is electrically connected to thememory 802.

Theprocessor 801 is a control center of themobile terminal 800, connects various parts of the entire mobile terminal using various interfaces and lines, and performs various functions of the mobile terminal and processes data by running or loading an application program stored in thememory 802 and calling data stored in thememory 802, thereby performing overall monitoring of the mobile terminal.

In this embodiment, theprocessor 801 in the mobile terminal 800 loads instructions corresponding to processes of one or more application programs into thememory 802, and theprocessor 801 executes the application programs stored in thememory 802 according to the following steps, so as to implement various functions:

monitoring the running state of the mobile terminal, wherein the running state comprises a terminal motion state, a call state, a network state and an object approaching and departing state;

when the change of the operation state is monitored, acquiring the changed operation state, and determining at least one communication system used by an antenna in the mobile terminal and at least one frequency band corresponding to each communication system;

and adjusting the transmitting power of the antenna according to the changed operating state, communication system and frequency band.

The mobile terminal may implement the steps in any embodiment of the antenna transmission power adjustment method provided in this embodiment of the present application, and therefore, the beneficial effects that can be achieved by any antenna transmission power adjustment method provided in this embodiment of the present invention can be achieved, which are detailed in the foregoing embodiments and will not be described herein again.

Fig. 6 is a block diagram showing a specific structure of a mobile terminal according to an embodiment of the present invention, where the mobile terminal may be configured to implement the antenna transmission power adjustment method provided in the foregoing embodiment. This mobile terminal 900 may be an AR glasses, an AR helmet, an AR head-up display (HUD), a smartphone, or a laptop, among other devices.

TheRF circuit 910 is used for receiving and transmitting electromagnetic waves, and interconverting the electromagnetic waves and electrical signals, so as to communicate with a communication network or other devices.RF circuit 910 may include various existing circuit elements for performing these functions, such as an antenna, a radio frequency transceiver, a digital signal processor, an encryption/decryption chip, a Subscriber Identity Module (SIM) card, memory, and so forth. TheRF circuit 910 may communicate with various networks such as the internet, an intranet, a wireless network, or with other devices over a wireless network. The wireless network may comprise a cellular telephone network, a wireless local area network, or a metropolitan area network. The wireless network may use various Communication standards, protocols and technologies, including but not limited to Global System for Mobile communications (GSM), enhanced Mobile Communication (e-ms) technology

Enhanced Data GSM Environment (EDGE), Wideband Code Division Multiple Access (WCDMA), Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Wireless Fidelity (Wi-Fi) (e.g., IEEE802.11 a, IEEE802.11 b, IEEE802.11g, and/or IEEE802.11 n, the american institute of electrical and electronics engineers), Voice over Internet Protocol (VoIP), Worldwide Interoperability for Microwave Access (Wi-Max), other protocols for mail, instant messaging, and short messages, and any other suitable communication Protocol, and may even include those protocols not yet developed.

Thememory 920 may be configured to store software programs and modules, such as program instructions/modules corresponding to the antenna transmission power adjustment method in the foregoing embodiment, and theprocessor 980 executes various functional applications and data processing by running the software programs and modules stored in thememory 920, that is, functions of charging a backup battery, charging a battery, and the like. Thememory 920 may include high-speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, thememory 920 may further include memory located remotely from theprocessor 980, which may be connected to the mobile terminal 900 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.

Theinput unit 930 may be used to receive input numeric or character information and generate keyboard, mouse, joystick, optical or trackball signal inputs related to user settings and function control. In particular, theinput unit 930 may include a touch-sensitive surface 931 as well asother input devices 932. The touch-sensitive surface 931, also referred to as a touch screen or a touch pad, may collect touch operations by a user on or near the touch-sensitive surface 931 (e.g., operations by a user on or near the touch-sensitive surface 931 using a finger, a stylus, or any other suitable object or attachment) and drive the corresponding connecting device according to a predetermined program. Alternatively, the touchsensitive surface 931 may include both 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 theprocessor 980, and can receive and execute commands sent by theprocessor 980. In addition, the touchsensitive surface 931 may be implemented in various types, such as resistive, capacitive, infrared, and surface acoustic wave. Theinput unit 930 may also includeother input devices 932 in addition to the touch-sensitive surface 931. In particular,other input devices 932 may include, but are not limited to, one or more of a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like.

Thedisplay unit 940 may be used to display information input by or provided to the user and various graphical user interfaces of the mobile terminal 900, which may be made up of graphics, text, icons, video, and any combination thereof. TheDisplay unit 940 may include aDisplay panel 941, and optionally, theDisplay panel 941 may be configured in the form of an LCD (Liquid Crystal Display), an OLED (Organic Light-Emitting Diode), or the like. Further, touch-sensitive surface 931 canoverlay display panel 941, and when touch operation is detected on or near touch-sensitive surface 931, processor 680 can determine the type of touch event, andprocessor 980 can then provide a corresponding visual output ondisplay panel 941 according to the type of touch event. Although the touch-sensitive surface 931 and thedisplay panel 941 are shown as two separate components to implement input and output functions, in some embodiments, the touch-sensitive surface 931 and thedisplay panel 941 may be integrated to implement input and output functions.

The mobile terminal 900 may also include at least onesensor 950, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor may include an ambient light sensor that may adjust the brightness of thedisplay panel 941 according to the brightness of ambient light, and a proximity sensor that may generate an interrupt when the folder is closed or closed. As one of the motion sensors, the gravity acceleration sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when the mobile phone is stationary, and can be used for applications of recognizing the posture of the mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture 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 may be further configured on the mobile terminal 900, further description is omitted here.

Theaudio circuitry 960,speaker 961,microphone 962 may provide an audio interface between a user and the mobile terminal 900. Theaudio circuit 960 may transmit the electrical signal converted from the received audio data to thespeaker 961, and convert the electrical signal into a sound signal for output by thespeaker 961; on the other hand, themicrophone 962 converts the collected sound signal into an electric signal, converts the electric signal into audio data after being received by theaudio circuit 960, and outputs the audio data to theprocessor 980 for processing, and then transmits the audio data to another terminal via theRF circuit 910, or outputs the audio data to thememory 920 for further processing. Theaudio circuit 960 may also include an earbud jack to provide communication of peripheral headphones with the mobile terminal 900.

The mobile terminal 900, which can assist the user in receiving requests, sending messages, etc., through a transmission module 970 (e.g., a Wi-Fi module), provides the user with wireless broadband internet access. Although thetransmission module 970 is illustrated in the drawings, it is understood that it does not belong to the essential constitution of the mobile terminal 900 and can be omitted entirely within the scope not changing the essence of the invention as needed.

Theprocessor 980 is a control center of the mobile terminal 900, connects various parts of the entire mobile phone using various interfaces and lines, and performs various functions of the mobile terminal 900 and processes data by operating or executing software programs and/or modules stored in thememory 920 and calling data stored in thememory 920, thereby integrally monitoring the mobile terminal. Optionally,processor 980 may include one or more processing cores; in some embodiments, theprocessor 980 may integrate an application processor, which primarily handles operating systems, user interfaces, applications, etc., and a modem processor, which primarily handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into theprocessor 980.

The mobile terminal 900 also includes a power supply 990 (e.g., a battery backup or battery) that provides power to the various components and, in some embodiments, may be logically connected to theprocessor 980 via a power management system that provides management of charging, discharging, and power consumption.Power supply 990 may also include any component of one or more dc or ac power sources, recharging systems, power failure detection circuits, power converters or inverters, power status indicators, and the like.

Although not shown, the mobile terminal 900 further includes a camera (e.g., a front camera, a rear camera), a bluetooth module, etc., which are not described in detail herein. Specifically, in this embodiment, the display unit of the mobile terminal is a touch screen display, the mobile terminal further includes a memory, and one or more programs, where the one or more programs are stored in the memory and configured to be executed by the one or more processors, and the one or more programs include instructions for:

It will be understood by those skilled in the art that all or part of the steps of the methods of the above embodiments may be performed by instructions or by associated hardware controlled by the instructions, which may be stored in a computer readable storage medium and loaded and executed by a processor. To this end, an embodiment of the present invention provides a storage medium, in which a plurality of instructions are stored, and the instructions can be loaded by a processor to execute the steps of any embodiment of the antenna transmission power adjustment method provided in the embodiment of the present invention.

Wherein the storage medium may include: read Only Memory (ROM), Random Access Memory (RAM), magnetic or optical disks, and the like.

Since the instructions stored in the storage medium may execute the steps in any embodiment of the method for adjusting antenna transmission power provided in the embodiment of the present application, beneficial effects that can be achieved by any method for adjusting antenna transmission power provided in the embodiment of the present application may be achieved, which are detailed in the foregoing embodiments and will not be described herein again.

The above detailed description is provided for the method, apparatus, storage medium and mobile terminal for adjusting antenna transmission power according to the embodiments of the present application, and a specific example is applied in the present application to explain the principle and implementation of the present application, and the description of the above embodiments is only used to help understanding the method and core ideas of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims

1. An antenna transmission power adjusting method is applied to a mobile terminal, and comprises the following steps:

monitoring the operation state of the mobile terminal, wherein the operation state comprises a terminal motion state, a call state, a network state and an object approaching and far-away state, the terminal motion state comprises a static state and a non-static state, the call state comprises a call and a non-call, the network state comprises a hotspot state and a cellular network state, the hotspot state comprises opening and closing, the cellular network state comprises opening and closing, and the object approaching and far-away state comprises an approaching state and a far-away state;

judging whether the motion state of the terminal changes or not;

if so, monitoring that the operation state changes;

when the operating state is monitored to be changed, acquiring the changed operating state, and determining at least one communication system used by an antenna in the mobile terminal and at least one frequency band corresponding to each communication system;

when the changed terminal motion state is static, adjusting the maximum value of the transmitting power of the antenna in any frequency band of any communication system to a corresponding preset initial power value;

when the changed terminal motion state is not in a static state, adjusting the maximum value of the transmitting power of the antenna according to the communication system, the frequency band, the obtained communication state, the obtained network state and the obtained object approaching and departing state;

wherein, the adjusting the maximum value of the transmitting power of the antenna according to the communication system, the frequency band, the obtained communication state, the obtained network state and the obtained object approaching and departing state specifically comprises:

determining a corresponding specific absorption rate test scene according to the obtained call state, the network state and the object approaching and departing state, wherein the specific absorption rate test scene comprises a head SAR test scene, a body SAR-10mm test scene, a body SAR-15mm test scene and a Limb SAR-0mm test scene;

determining a preset power value of the antenna corresponding to the specific absorption rate test scene in the frequency band of the communication system;

when the preset power value is smaller than the preset initial power value corresponding to the antenna, taking the corresponding antenna as a target antenna, taking the corresponding communication system as a target communication system, taking the corresponding frequency band as a target frequency band, and taking the corresponding preset power value as a target power value;

and adjusting the maximum value of the transmitting power of the target antenna in the target frequency band of the target communication system to the corresponding target power value.

2. The method for adjusting antenna transmission power according to claim 1, wherein after the determining whether the motion state of the terminal changes, the method further comprises:

if not, judging whether the call state, the network state and/or the object approaching and departing state change;

when the call state, the network state and/or the object approaching and departing state change, monitoring that the operation state changes;

the adjusting the transmitting power of the antenna according to the changed operating state, the communication system and the frequency band comprises:

3. The method according to claim 1, wherein the monitoring the operating state of the mobile terminal specifically includes:

monitoring respective acceleration variation of the mobile terminal in three-axis directions by using a gravity acceleration sensor;

when the acceleration variation in the three-axis direction is lower than a preset threshold, judging that the terminal motion state is static;

and when the acceleration variation in any one of the three-axis directions is not lower than the preset threshold, judging that the motion state of the terminal is not in a static state.

4. An antenna transmission power adjusting device, applied to a mobile terminal, includes:

the monitoring module is used for monitoring the running state of the mobile terminal, wherein the running state comprises a terminal motion state, a call state, a network state and an object approaching and far-away state, the terminal motion state comprises a static state and a non-static state, the call state comprises a call state and a non-call state, the network state comprises a hotspot state and a cellular network state, the hotspot state comprises opening and closing, the cellular network state comprises opening and closing, and the object approaching and far-away state comprises an approaching state and a far-away state;

the determining module is used for acquiring the changed operating state when the operating state is monitored to be changed, and determining at least one communication system used by an antenna in the mobile terminal and at least one frequency band corresponding to each communication system;

the adjusting module is used for adjusting the transmitting power of the antenna according to the changed running state, the communication system and the frequency band;

wherein, the monitoring module specifically includes:

the judging unit is used for judging whether the motion state of the terminal changes or not;

the monitoring unit is used for monitoring that the running state changes when the terminal motion state changes;

the adjusting module specifically comprises:

a first adjusting unit, configured to adjust a maximum value of transmission power of the antenna in any frequency band of any communication system to a corresponding preset initial power value when the changed terminal motion state is stationary;

a second adjusting unit, configured to adjust a maximum value of the transmission power of the antenna according to the communication system, the frequency band, the obtained call state, the obtained network state, and the obtained object approaching and departing state when the changed mobile motion state is non-stationary;

the second adjusting unit is specifically configured to:

when the changed terminal motion state is non-static, determining a corresponding specific absorption rate test scene according to the obtained call state, network state and object approaching and departing state, wherein the specific absorption rate test scene comprises a head SAR test scene, a body SAR-10mm test scene, a body SAR-15mm test scene and a Limb SAR-0mm test scene;

5. A computer-readable storage medium having stored thereon a plurality of instructions adapted to be loaded by a processor to perform the method of adjusting antenna transmit power of any of claims 1 to 3.

6. A mobile terminal comprising a processor and a memory, wherein the processor is electrically connected to the memory, and the memory is used for storing instructions and data, and the processor is used for executing the steps of the antenna transmission power adjusting method according to any one of claims 1 to 3.