CN112789900A

CN112789900A - Power supply control method and equipment

Info

Publication number: CN112789900A
Application number: CN201980054751.2A
Authority: CN
Inventors: 邢金强
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2021-05-11
Anticipated expiration: 2039-09-10
Also published as: WO2021046727A1; CN112789900B

Abstract

A power supply control method and equipment are provided, wherein the method comprises the following steps: acquiring characteristic information of a terminal, wherein the characteristic information comprises an operating bandwidth of the terminal and/or a target output power of a power amplifier of the terminal (401); powering (402) the power amplifier based on the characteristic information. The power supply control method is beneficial to reducing PA power consumption so as to reduce terminal power consumption.

Description

Power supply control method and equipment

Technical Field

The present application relates to the field of communications technologies, and in particular, to a power supply control method and device.

Background

A terminal, such as a mobile phone, is configured with a Power Amplifier (PA) to support the terminal to transmit signals through the PA, so as to implement communication with other devices. The PA is one of the main power consuming components in the terminal, and how to reduce the PA power consumption to reduce the terminal power consumption is an urgent problem to be solved.

Disclosure of Invention

Embodiments of the present application provide a power supply control method and device, which are beneficial to reducing PA power consumption so as to reduce terminal power consumption.

In a first aspect, an embodiment of the present application provides a power supply control method, including:

acquiring characteristic information of a terminal, wherein the characteristic information comprises the working bandwidth of the terminal and/or the target output power of a power amplifier of the terminal;

powering the power amplifier based on the characteristic information.

In a second aspect, the present application provides a terminal, where the terminal has some or all of the functions of implementing the terminal behavior in the foregoing method, for example, the functions of the terminal may have the functions in some or all of the embodiments in the present application, or may have the functions of implementing any of the embodiments in the present application separately. The functions can be realized by hardware, and the functions can also be realized by executing corresponding software by hardware. The hardware or software includes one or more units or modules corresponding to the above functions.

In a possible design, the terminal includes a processing unit configured to support the terminal to perform the corresponding functions in the above-described method. The terminal may further comprise a communication unit for supporting communication between the terminal and other units or devices. The terminal may further comprise a storage unit for coupling with the processing unit, which stores program instructions and data, etc. necessary for the terminal. Alternatively, the processing unit may be a processor, the communication unit may be a transceiver, and the storage unit may be a memory.

In a third aspect, an embodiment of the present application provides a terminal including a processor, a memory, and one or more programs. Optionally, the terminal may further comprise a transceiver, wherein the one or more programs are stored in the memory and configured to be executed by the processor, the program comprising instructions for performing the steps of any of the methods of the first aspect of the embodiments of the present application.

In a fourth aspect, embodiments of the present application provide a computer-readable storage medium, which stores a computer program, and the computer program causes a computer to execute some or all of the steps described in the method of the first aspect of embodiments of the present application.

In a fifth aspect, embodiments of the present application provide a computer program product, where the computer program product comprises a non-transitory computer-readable storage medium storing a computer program, the computer program being operable to cause a computer to perform some or all of the steps as described in the method of the first aspect of embodiments of the present application. The computer program product may be a software installation package.

In the scheme provided by the embodiment of the application, the terminal can obtain the characteristic information such as the working bandwidth of the terminal and/or the configured target output power of the PA, and supply power to the PA based on the characteristic information, that is, the power consumption of the PA can be reduced by dynamically adjusting the power supply mode of the PA, so that the power consumption of the terminal is reduced, and the power supply flexibility is strong.

Drawings

Reference will now be made to the drawings, which are needed for use in describing embodiments or prior art.

Fig. 1 is a schematic diagram of an operating position of a power amplifier provided in an embodiment of the present application;

fig. 2a is a schematic diagram illustrating an operation of an envelope tracking mode according to an embodiment of the present application;

FIG. 2b is a schematic diagram illustrating operation of a power tracking mode according to an embodiment of the present application;

FIG. 3 is a schematic diagram of bandwidth comparison provided by an embodiment of the present application;

fig. 4 is a schematic flowchart of a power supply control method according to an embodiment of the present application;

fig. 5 is a schematic diagram of an operating position of another power amplifier provided in the embodiment of the present application;

fig. 6 is a schematic flow chart of another power supply control method provided in the embodiment of the present application;

fig. 7 is a schematic flowchart of another power supply control method provided in the embodiment of the present application;

fig. 8 is a schematic structural diagram of a terminal according to an embodiment of the present application;

fig. 9 is a schematic structural diagram of another terminal provided in an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the accompanying drawings.

The technical scheme of the application can be applied to equipment such as a terminal configured with a Power Amplifier (PA). The PA can be used for energy conversion to implement power control, such as increasing the terminal transmit power to support the terminal to transmit signals, to implement communications with other devices, and so on.

In the present application, the terminal may be a device having a communication function, and may be, for example, an in-vehicle device, a wearable device, a handheld device (e.g., a smartphone), or the like. It is understood that the terminal may also be called other names, such as User Equipment (UE), a subscriber Unit (UE), a mobile station (mobile station), a mobile unit (mobile unit), a terminal device, and the like, and the present application is not limited thereto.

Referring to fig. 1, fig. 1 is a schematic diagram illustrating an operating position of a power amplifier provided in the present application. As shown in fig. 1, the terminal may include a baseband processing chip, a radio frequency chip, a power management chip, a PA, a filter, a switch, an antenna, and the like. Among them, a baseband processing chip such as a Baseband Band IC (BBIC) can be used to implement processing of transmitted or received signals; the power management chip may be used to provide a supply voltage for components in the terminal, such as the PA; a Radio Frequency chip, such as a Radio Frequency Integrated Circuit (RFIC), may be used to determine the input signal of the PA, which is a low power driving signal; the PA can be used for energy conversion and power amplification, an output signal of the PA is a high-power radio-frequency signal, and the PA actually converts a large direct-current signal provided by a power management chip into an alternating-current signal in the power amplification process and outputs the alternating-current signal; the filter may be used to filter the signal output by the PA; the switch can be used for controlling the use frequency band of the terminal and the like; the antenna may be used to transmit or receive signals. Suppose the output power of a radio frequency chip such as an RFIC is noted as P₀The output power of the power management chip is recorded as P₁Then PA can manage the output power P of the chip according to the power supply₁(i.e. PA input power P₁) And output power P of RFIC₀(i.e. PA input power P₀) The energy conversion is performed to obtain the output power of the PA, i.e. the target output power (also called transmission power, target transmission power, etc.), assumed to be P₂，P ₂Containing an input signal P₀The energy of (a). It is understood that the location architecture of the PA shown in fig. 1 is merely an example and does not constitute a limitation of the present application.

In some embodiments, the energy conversion Efficiency (PA Efficiency may be abbreviated as PA Efficiency) of the PA can be measured by Power Added Efficiency (PAE), for example, the PAE can be obtained by: PAE ═ P₂-P ₀)/P ₁. The larger the PAE is, the higher the energy conversion efficiency of the PA is, the lower the PA power consumption is, and further the terminal power consumption is lower (other power consumptions of the terminals except the PA are in the same condition), the more the terminal saves power. The PAE is directly related to a power supply mode (power supply technology) of the PA, and different PA power supply modes (power supply modes for short) correspond to different PAEs, that is, different power supply modes are adopted to supply power to the PA, so that the PAEs of the PA are different and the PA power consumption is different. For example, the Power supply modes commonly used by the PA include Envelope Tracking (ET), Power Tracking (PT) such as Average Power Tracking (APT), and gain Power Tracking (EPT). In the three power supply modes, the energy conversion efficiency of the PA is the highest when the ET power supply mode is used, and the energy conversion efficiency of the PA is the lowest when the APT power supply mode is used secondly is the EPT power supply mode.

For example, please refer to fig. 2a, which is a schematic diagram of an operation of an envelope tracking mode, i.e., an ET mode according to an embodiment of the present application. As shown in fig. 2a, where the (thin line) waveform can indicate the transmission signal of the PA, ET means that P1 in fig. 1 is set according to the real-time power requirement of the signal to be transmitted, which corresponds to the thick line waveform in fig. 2a, which can be used to indicate the PA voltage variation. The gray area above the thick line waveform is the saved power (saved portion).

For example, please refer to fig. 2b, which is a schematic diagram illustrating an operation of a power tracking mode according to an embodiment of the present application. As shown in fig. 2b, where the waveform indicates the transmission signal of the PA, the power tracking mode means that P1 in fig. 1 is set according to the power of the transmission signal in a period of time, corresponding to the block value in fig. 2b, where the dark gray area outside the waveform is wasted useless power (wasted part). If the APT mode is adopted, the P1 in FIG. 1 is indicated to be set according to the average power of the transmitted signal in a period of time, and the power corresponding to the box value is the average power; if EPT mode, it indicates that P1 in FIG. 1 is set according to the gain power of the transmitted signal in a period of time, and the power corresponding to the block value is the gain power.

It can be seen that the ET power mode is more power efficient than the power tracking modes such as the APT power mode and the EPT power mode. However, because the ET power supply mode needs to know the waveform characteristics of the signal to be amplified in real time, calculate the envelope of the signal in real time, and adjust the magnitude of the power supply voltage in real time, the calculated amount in the mode is large, and the requirement on the real-time processing capability is high; for example, generally, the larger the bandwidth of a signal to be amplified is, the faster the signal envelope fluctuation is, the higher the requirement for real-time calculation is, the larger the bandwidth may cause the calculation of the signal envelope not to follow the speed of signal change, and further cause the linearity of the PA to be poor, and the quality of an output signal to be poor, so that the ET technology cannot be applied to the larger bandwidth, and the applicable bandwidth of the ET power supply mode is smaller than that of the power tracking mode. For example, at present, the general ET technology can only support an operating bandwidth up to 60MHz, and the power tracking modes such as the APT power mode and the EPT power mode can operate at a larger bandwidth.

In conclusion, the energy conversion efficiency of the PA in the ET power supply mode is highest, more electricity is saved, the energy conversion efficiency of the PA in the tracking power mode is low, the electricity consumption is large, and the APT electricity consumption is higher than the EPT electricity consumption; however, in the ET power mode, the supportable bandwidth of the terminal is narrow, and the supportable bandwidth of the terminal in the EPT and APT modes is large; for example, generally the ET supports only 60MHz at most, while the EPT and APT can support larger bandwidths, such as 100MHz or 200 MHz. In addition, the calculation amount of the ET power supply mode is large, so that the consumed electric quantity is large, and the power consumption of the mode is high; and the EPT power supply mode has small self calculation amount, the APT power supply mode has minimum self calculation amount, the EPT and APT modes consume less electric quantity, and the modes have low self power consumption.

The current PA adopts static power supply technology, and fixed setting is for adopting a certain power supply mode to supply power promptly, generally adopts the less effective APT power supply mode to the condition of big bandwidth, and the consumption is great, leads to power consumptive height. For example, in a 5G scenario, the maximum bandwidth of a single carrier (system bandwidth) allocated to a terminal is 100MHz, and if carrier aggregation is adopted, the bandwidth is larger. Under the large bandwidth, the terminal supports the 100MHz bandwidth by adopting an APT power supply mode, which results in lower PA efficiency and serious power consumption. However, the working bandwidth of the terminal at a certain time or a certain period of time, that is, the actually occupied bandwidth, generally does not occupy the whole allocated bandwidth, because there is often bandwidth sharing among multiple users, and resources need to be reserved for other users. Therefore, the working bandwidth occupied in real time can be acquired to dynamically select among various power supply modes, the PA efficiency is improved, and the power consumption is saved.

In this application, the working Bandwidth may be a Bandwidth Part (BWP), and specifically may be a terminal-activated BWP; the network side may configure one or more BWPs (e.g. configure 4 BWPs at most) to the terminal, the BWPs are smaller than the single carrier 100MHz, only one BWP is activated and used at the same time, and the terminal only needs to use this BWP bandwidth in the network, and does not need to use the entire 100MHz system bandwidth. Alternatively, the working bandwidth may be a Resource Block (RB) occupied by the terminal, and the RB Resource is a Resource partition smaller than BWP. Please refer to fig. 3, which is a schematic diagram illustrating a bandwidth comparison provided in an embodiment of the present application. As shown in fig. 3, the BWP configured by the network side to the terminal is a part of the entire system bandwidth (e.g. 100MHz), for example, 20MHz, and the network will be in the configured BWP (if there are multiple BWPs, the scheduling will be in the active BWP) in the subsequent scheduling, but the RB actually occupied by the terminal at a certain time is smaller than the BWP.

It is understood that the working bandwidth may also be a Transport Block (TB) or a bandwidth resource of the remaining granularity, and the like, the TB being composed of a plurality of RBs. For convenience of description and understanding, the present application is described with the working bandwidth being BWP or RB as an example.

In addition, as described above, since the calculation amount of the ET power supply mode itself is large, the power consumption of the mode itself is high; and the calculation amount of the power tracking mode is smaller than that of the ET power supply mode, and the power consumption of the mode is lower. Therefore, the power supply method and the power supply device can dynamically select among various power supply modes by obtaining the target output power of the PA so as to reduce power consumption.

Therefore, the PA power supply mode can be dynamically adjusted according to the terminal characteristic information, such as the actual used bandwidth of the terminal, the output power of the PA and the like, the PA efficiency can be improved through the dynamically adjusted PA power supply mode, the PA power consumption is reduced, the terminal endurance time is prolonged, and the power supply flexibility is high. The following detailed description is made with reference to the accompanying drawings.

Referring to fig. 4, fig. 4 is a schematic flow chart of a power supply control method according to an embodiment of the present disclosure. The method of the embodiment can be applied to the terminal. As shown in fig. 4, the method may include the steps of:

401. the method comprises the steps of obtaining characteristic information of a terminal, wherein the characteristic information comprises an operating bandwidth of the terminal and/or a target output power of a power amplifier of the terminal.

The characteristic information may be an operating bandwidth of the terminal, that is, an actual operating bandwidth, such as a bandwidth of BWP activated by the terminal, and a bandwidth corresponding to an RB occupied by the terminal, instead of a total bandwidth allocated to the terminal (or referred to as a system bandwidth, such as a single carrier bandwidth in a 5G scenario); alternatively, the characteristic information may be a target output power of a PA configured in the terminal; alternatively, the characteristic information may be an operating bandwidth of the terminal and a target output power of the PA.

In some embodiments, the target output power may be the same as P described above₂Correspondingly, the power parameter may be calculated according to the received power parameter sent by the network side, for example, calculated by a baseband processing chip such as a BBIC; alternatively, the target output power mayTo the power output by the last PA; alternatively, the target output power may be determined by other manners, which are not limited in this application.

In some embodiments, the terminal may obtain the feature information according to a preset information obtaining rule. Optionally, the information obtaining rule may be a rule for obtaining information based on a preset time interval (cycle), or may also be a rule for obtaining information based on a preset timer set, or may also be a rule for obtaining information based on other trigger conditions, which is not limited in this application.

For example, in a possible design, the time interval for acquiring information may be set in advance. If the set time interval is 10min, the terminal may periodically acquire the characteristic information every 10min, so as to determine the PA power supply mode based on the acquired characteristic information.

For another example, in a possible design, a timer set may be preset, where the timer set includes a plurality of timers, the durations of the plurality of timers are different, and the execution order of the plurality of timers may be preset, for example, the execution order is set according to the sizes of the terminal feature information in the history records in different time periods (for example, the larger the change amplitude of the feature information in a time period is, or the higher the change frequency is, the shorter the timer durations used in the time period relative to other time periods are, so as to set the execution order of the plurality of timers, and the execution times of each timer are not limited to one time); alternatively, the execution order may be set according to the power supply mode switching events occurring in the terminal in the history (for example, the more power supply mode switching events occurring in a time period, or the greater the frequency of occurrence, the shorter the timer duration used in the time period relative to other time periods, thereby setting the execution order of the plurality of timers, and the number of times of execution of each timer is not limited to one). And then the terminal can trigger to acquire the characteristic information when each timer is overtime so as to switch to a proper PA power supply mode in time to supply power to the PA.

For another example, in a possible design, a set of timers may be preset, and the set of timers may include a plurality of timers, and the plurality of timers have different durations. And the terminal can further select a timer from the plurality of timers and trigger the acquisition of the characteristic information when the selected timer is overtime. Optionally, when the terminal selects the timer, the terminal may select the timer based on a preset selection rule, for example, the timer is selected according to an absolute value of a difference between the feature information obtained last time and the corresponding feature threshold, the smaller the absolute value is, the shorter the duration of the selected timer is, so as to obtain new feature information in time, and the PA power supply mode is determined again according to the new feature information, so that the reliability of the PA power supply mode selection is improved.

402. Based on the characteristic information, the power amplifier is powered.

When determining the power supply mode of the PA, the terminal may determine the PA power supply mode based on the acquired feature information, so as to supply power to the PA in the PA power supply mode corresponding to the feature information.

In some embodiments, the terminal may power the PA in the first power mode if the operating bandwidth of the terminal is less than the first bandwidth threshold and/or the target output power is greater than the first power threshold.

That is, a bandwidth threshold, i.e., a first bandwidth threshold, may be preset and/or a power threshold, i.e., a first power threshold, may be set. After the terminal acquires the characteristic information, the terminal may compare the characteristic information with a corresponding threshold value, and determine the PA power supply mode based on the comparison result. For example, if the characteristic information is a terminal operating bandwidth, the operating bandwidth may be compared with the first bandwidth threshold, and when the operating bandwidth is smaller than the first bandwidth threshold, the PA may be powered in a first power supply mode; for another example, if the characteristic information is a target output power of the PA, the target output power may be compared with the first power threshold, and when the target output power is greater than the first power threshold, the PA may be powered in a first power supply mode; for another example, if the characteristic information is the operating bandwidth of the terminal and the target output power, the operating bandwidth may be compared with the first bandwidth threshold, and the target output power may be compared with the first power threshold, and when the operating bandwidth is smaller than the first bandwidth threshold and the target output power is greater than the first power threshold, the PA may be powered in the first power supply mode.

In some embodiments, if the operating bandwidth of the terminal is greater than or equal to the second bandwidth threshold and/or the target output power is less than or equal to a second power threshold, the terminal may power the PA in a second power supply mode.

In some embodiments, the second bandwidth threshold is the same as the first bandwidth threshold, and the second power threshold is the same as the first power threshold. Alternatively, in some embodiments, the second bandwidth threshold may be different from the first bandwidth threshold, such as a second bandwidth threshold greater than the first bandwidth threshold; and/or the second power threshold may be different from the first power threshold, such as the second power threshold being less than the first power threshold.

The first power supply mode may be a power supply mode in which the supported operating bandwidth is small (for example, smaller than a certain bandwidth threshold, which may be the first bandwidth threshold, or larger than the first bandwidth threshold), and the second power supply mode may be a power supply mode in which the supported operating bandwidth is large (for example, larger than a certain bandwidth threshold, which may be the second bandwidth threshold, or smaller than the second bandwidth threshold), that is, the operating bandwidth supported by the first power supply mode is smaller than the operating bandwidth supported by the second power supply mode; and/or the first power supply mode may be a power supply mode with higher energy conversion efficiency (e.g., above a certain efficiency threshold), and the second power supply mode may be a power supply mode with lower energy conversion efficiency (e.g., below a certain efficiency threshold), that is, the energy conversion efficiency of the first power supply mode is higher than that of the second power supply mode. For example, the first power supply mode may be an ET mode, and the second power supply mode may be an APT mode; as another example, the first power mode may be an ET mode, the second power mode may be an EPT mode, and so on.

That is, a bandwidth threshold, i.e., a second bandwidth threshold, may be preset and/or a power threshold, i.e., a second power threshold, may be set. After the terminal acquires the characteristic information, the terminal may compare the characteristic information with a corresponding threshold value, and determine the PA power supply mode based on the comparison result. For example, if the characteristic information is the operating bandwidth of the terminal, the operating bandwidth may be compared with the second bandwidth threshold, and when the operating bandwidth is not less than the second bandwidth threshold, the PA may be powered in the second power supply mode; for another example, if the characteristic information is a target output power of the PA, the target output power may be compared with the second power threshold, and when the target output power is not greater than the second power threshold, the PA may be powered in a second power supply mode; for another example, if the characteristic information is the operating bandwidth of the terminal and the target output power, the operating bandwidth may be compared with the second bandwidth threshold, and the target output power may be compared with the second power threshold, and when the operating bandwidth is not less than the second bandwidth threshold and the target output power is not greater than the second power threshold, the PA may be powered in the second power supply mode. Optionally, when the first bandwidth threshold and the second bandwidth threshold are different and the first power threshold and the second power threshold are different, if the characteristic information is the terminal operating bandwidth and the operating bandwidth is not less than the first bandwidth threshold and is not less than the second bandwidth threshold, the original power supply mode may be maintained to supply power to the PA, and the power supply mode is not switched; if the characteristic information is the target output power and the target output power is larger than the second power threshold and smaller than the first power threshold, the original power supply mode can be kept and the power supply mode is not switched; if the characteristic information is the terminal working bandwidth and the target output power, the working bandwidth is not smaller than the first bandwidth threshold and smaller than the second bandwidth threshold, and the target output power is larger than the second power threshold and smaller than the first power threshold, the original power supply mode can be kept without power supply mode switching, so that switching overhead is reduced, power consumption of the terminal is further saved, and endurance time of the terminal is prolonged.

In some embodiments, the second power supply mode may be a PT mode, and the PT mode may be an APT mode or an EPT mode. That is, if the second power supply mode includes a plurality of types, the terminal may further determine which second power supply mode is specifically used to supply power to the PA according to the characteristic information. For example, if the operating bandwidth of the terminal is less than the third broadband threshold, and/or the target output power is greater than the third power threshold, the second power supply mode is the EPT mode, and the EPT mode may be used to supply power to the PA; if the working bandwidth of the terminal is greater than or equal to the third broadband threshold and/or the target output power is less than or equal to the third power threshold, the second power supply mode is an APT mode, and the PA can be powered by the APT mode.

Wherein the third bandwidth threshold is greater than the second bandwidth threshold, and the third power threshold is less than the second power threshold. Optionally, if the second bandwidth threshold is different from the first bandwidth threshold, the first bandwidth threshold may be smaller than a second bandwidth threshold, and the second bandwidth threshold is smaller than a third bandwidth threshold; if the second power threshold is different from the first power threshold, it may be that the first power threshold is greater than a second power threshold, which is greater than a third power threshold.

That is, the third bandwidth threshold may also be preset and/or the third power threshold may be set. After the terminal acquires the characteristic information, the terminal can compare the characteristic information with a corresponding threshold value, and determine which PT mode is adopted for PA power supply based on the comparison result. For example, if the characteristic information is the terminal operating bandwidth and the operating bandwidth is not less than the second bandwidth threshold, the operating bandwidth may be compared with the third bandwidth threshold, and when the operating bandwidth is less than the third bandwidth threshold, it may be determined that the power is supplied to the PA in the EPT mode; otherwise, when the working bandwidth is not less than the third bandwidth threshold, it may be determined that the power is supplied to the PA in the APT mode. For another example, if the characteristic information is a target output power of the PA and the output power is not greater than a second power threshold, the target output power may be compared with the third power threshold, and when the target output power is greater than the third power threshold, it may be determined that the power is supplied to the PA in the EPT mode; otherwise, when the target output power is not greater than the third power threshold, it may be determined that the PA is powered in the APT mode. For another example, if the characteristic information is the operating bandwidth of the terminal and the target output power, and the operating bandwidth is not less than the second bandwidth threshold and the output power is not greater than the second power threshold, the operating bandwidth may be compared with the third bandwidth threshold, and/or the target output power may be compared with the third power threshold, and when the operating bandwidth is less than the third bandwidth threshold and/or the target output power is greater than the third power threshold, it may be determined that the power is supplied to the PA in the EPT mode; otherwise, when the working bandwidth is not less than the third bandwidth threshold and/or the target output power is not greater than the third power threshold, it may be determined that the power is supplied to the PA in the APT mode; that is, in a scenario where the characteristic information is the terminal operating bandwidth and the target output power, if the operating bandwidth is greater than or equal to the second bandwidth threshold and/or the target output power is less than or equal to the second power threshold, that is, after the power supply of the PA is determined to be performed in the PT mode, which PT mode is used for performing the power supply of the PA may be determined according to at least one of the operating bandwidth and the target output power, which may be preset, and the present application is not limited thereto.

Please refer to fig. 5, which is a schematic diagram of another PA location provided in the embodiment of the present application. As shown in fig. 5, a power supply mode switching module may be added in the terminal, where the power supply mode switching module may be configured to determine a power supply mode of the PA according to the characteristic information, where input information of the power supply mode switching module includes characteristic information such as a target output power and an actual operating bandwidth, and output information may be a power supply voltage of the PA. The characteristic information may be obtained from a baseband processing chip, or obtained by other means.

In the present application, the operating bandwidth can be divided into two levels, namely BWP and RB, and the PA power supply mode can be determined by means of BWP activated by the terminal at a coarser granularity, and can be determined according to the amount of RB resources occupied by the terminal in real time at a finer granularity. It can be understood that, when determining the adopted power supply mode according to the working bandwidth of the terminal, the terminal may fixedly obtain the size of the BWP activated by the terminal to determine the PA power supply mode, that is, the working bandwidth is the bandwidth of the BWP activated by the terminal; or, the terminal may fix the size of the RB occupied by the terminal to determine the PA power supply mode, that is, the working bandwidth is a bandwidth corresponding to the RB occupied by the terminal; alternatively, the terminal may dynamically determine the operating bandwidth, i.e., when BWP is adopted and when RB is adopted, according to preset bandwidth determination rules.

For example, the bandwidth determination rule may be a rule based on a switching frequency of the power supply mode. In some embodiments, when the working bandwidth is a bandwidth corresponding to an RB occupied by the terminal, the terminal may further obtain a switching frequency of a power supply mode of the PA within a preset time period; and when the switching frequency is greater than a preset frequency threshold, taking the BWP activated by the terminal as the working bandwidth of the terminal. Wherein, the preset time period and the frequency threshold value can be preset. If the terminal can adopt the bandwidth corresponding to the occupied RB as the working bandwidth to determine the PA power supply mode, and count the switching times of the power supply mode in the preset time period to determine the switching frequency of the power supply mode, if the switching frequency is greater than the preset frequency threshold, the terminal can acquire the bandwidth of the activated BWP as the working bandwidth to determine the PA power supply mode. The switching frequency may refer to the number of switching times in a unit time, such as 1 minute, or may refer to the number of switching times in the preset time period. In this way, when the RB is used as the switching granularity, the switching frequency may be high, for example, the RB fluctuates around a bandwidth threshold such as 60MHz, which results in a high switching frequency of the power supply mode, the power supply mode may be determined by using BWP as the granularity, so as to reduce the switching frequency, and help avoid a situation that the PA power supply mode is frequently switched due to a frequent change in the size of the RB occupied by the terminal, which results in a large switching overhead, and reduce power consumption for adjusting the power supply mode by the terminal.

As another example, the bandwidth determination rule may be a rule based on whether a power mode switching event occurs within a timer. In some embodiments, when the operating bandwidth is the bandwidth of the BWP activated by the terminal, the terminal may determine whether a power mode switching event for the power amplifier occurs before the power mode switching timer expires; and if the power supply mode switching event is not detected to occur before the power supply mode switching timer is overtime, taking the RB occupied by the terminal as the working bandwidth of the terminal. For example, the terminal may determine the PA power mode using active BWP as the operating bandwidth, and start a timer, such as the power mode switching timer, for example, the timer may be started when switching from occupied RB bandwidth as the operating bandwidth to BWP bandwidth as the operating bandwidth; for another example, the timer may be started when the working bandwidth is the bandwidth of the BWP activated by the terminal and a power supply mode switching event does not occur within a preset time period; the timer may be started, for example, when the working bandwidth is the bandwidth of BWP activated by the terminal and an adjustment instruction is received from the network side, for example, the base station. If the PA power supply mode switching event does not occur within the time length of the timer, the terminal can acquire the occupied RB as the working bandwidth to determine the PA power supply mode. In this way, when BWP is used as the switching granularity, the switching frequency may be low, for example, BWP is slightly higher than the bandwidth threshold, such as 60MHz, which causes the APT or EPT power supply mode to be maintained for a long time, and increases the power consumption of the terminal, the RB may be used as the granularity to determine the power supply mode, which helps to reduce the power consumption, and helps to avoid that the size of the RB actually occupied by the terminal does not change or changes in a small range for a long time, so that the determined PA power supply mode is inaccurate, and the reliability of PA power supply mode determination is improved.

It is to be understood that the threshold referred to in this application, such as the first bandwidth threshold, the second bandwidth threshold, the third bandwidth threshold, the first power threshold, the second power threshold, the third power threshold, etc., may be preset; or may be indicated by the network side, such as the base station. Alternatively, these thresholds may be fixedly set; or, the power supply mode may be obtained through dynamic adjustment, for example, adjustment according to the remaining power of the terminal, adjustment according to the performance of the terminal battery, adjustment according to the switching frequency of the power supply mode, and the like, which is not limited in this application.

In the embodiment of the application, the terminal can supply power to the PA by acquiring the characteristic information such as the working bandwidth of the terminal and/or the target output power of the configured PA, and determining the corresponding power supply mode based on the characteristic information, namely the PA efficiency can be improved by dynamically adjusting the PA power supply mode, so that the PA power consumption is reduced, the terminal endurance time is prolonged, and the power supply flexibility is strong.

Referring to fig. 6, fig. 6 is a schematic flow chart of another power supply control method provided in the embodiment of the present application, and as shown in fig. 6, the method may include the following steps:

601. and acquiring the working bandwidth of the terminal and the target output power of the PA.

In this embodiment, the working bandwidth may be active BWP or RB. The target output power may be equal to P₂Corresponding, as P above₂。

It is to be understood that the information obtaining rule for obtaining the operating bandwidth and the information obtaining rule for obtaining the target output power may be different, for example, the operating bandwidth and the target output power may be obtained at different time intervals (or timers). Optionally, the information acquisition rule for acquiring the BWP when the operating bandwidth is the BWP and the information acquisition rule for acquiring the RB when the operating bandwidth is the RB may also be different, for example, because the BWP is not easily changed compared to the RB, the timer duration corresponding to the information acquisition rule of the BWP may be set to be greater than the timer duration corresponding to the information acquisition rule of the RB, so as to ensure the reliability of the acquired feature information to improve the reliability of the power supply mode selection, and at the same time, reduce the information acquisition overhead, which helps to further reduce the power consumption of the terminal.

Optionally, the remaining description of step 601 may specifically refer to the description related to the embodiment shown in fig. 4, which is not repeated herein.

602. And when the working bandwidth is smaller than a preset first bandwidth threshold and the target output power is larger than a preset first power threshold, supplying power to the PA by adopting an envelope tracking mode.

603. And when the working bandwidth is greater than or equal to a preset second bandwidth threshold, or the target output power is less than or equal to a preset second power threshold, the PA is powered by adopting a power tracking mode.

In a possible design, the second bandwidth threshold is the same as the first bandwidth threshold, and the second power threshold is the same as the first power threshold. After the working bandwidth and the target output power are obtained, the working bandwidth and a corresponding bandwidth threshold, such as a first bandwidth threshold, may be compared, and the target output power may be compared with the first power threshold. If the comparison result is that the working bandwidth is smaller than the first bandwidth threshold and the target output power is larger than the first power threshold, the ET mode is used as a power supply mode of the PA to supply power to the PA; if the operating bandwidth is greater than or equal to the first bandwidth threshold, or the target output power is less than or equal to the first power threshold, the PT mode may be used as a power supply mode of the PA to supply power to the PA.

In a possible design, the second bandwidth threshold is greater than the first bandwidth threshold, and the second power threshold is less than the first power threshold. After the working bandwidth and the target output power are obtained, the working bandwidth is compared with a first bandwidth threshold and a second bandwidth threshold, and the target output power is compared with the first power threshold and the second power threshold. If the comparison result is that the working bandwidth is smaller than the first bandwidth threshold and the target output power is larger than the first power threshold, the ET mode is used as a power supply mode of the PA to supply power to the PA; if the operating bandwidth is greater than or equal to the second bandwidth threshold, or the target output power is less than or equal to the second power threshold, the PT mode may be used as a power supply mode of the PA to supply power to the PA. Further, if the operating bandwidth is greater than or equal to the first bandwidth threshold and less than the second bandwidth threshold, and the target output power is greater than the second power threshold and less than or equal to the first power threshold, the original power supply mode may be maintained to supply power to the PA, and the power supply mode is not adjusted/switched. This reduces the switching overhead of the PA supply mode, further saving terminal power consumption.

Optionally, the PT mode may be an APT mode or an EPT mode, and may be specifically preset to be obtained, for example, if the PT mode is preset to be the APT mode, when the PT mode is used to supply power to the PA, the ap mode may be used to supply power to the PA; correspondingly, if the PT mode is preset to be the EPT mode, the PA power supply can be carried out by adopting the EPT mode; if it is preset that whether the APT mode or the EPT mode is dynamically selected based on the preset rule, the specific PT mode may be determined by combining the preset rule, which is not described herein.

In this embodiment, the terminal can select the power supply mode to supply power to the PA by acquiring the working bandwidth of the terminal and the configured target output power of the PA and according to whether the working bandwidth and the target output power reach the corresponding threshold, that is, by tracking the target output power and the real-time working bandwidth of the PA, the ET power supply or the PT power supply is determined, so as to dynamically adjust the PA power supply mode, which is helpful to improve the PA efficiency and reduce the PA power consumption, thereby reducing the terminal power consumption and power consumption.

Referring to fig. 7, fig. 7 is a schematic flowchart of another power supply control method according to an embodiment of the present application. In this embodiment, the first bandwidth threshold and the second bandwidth threshold are the same, and the first power threshold and the second power threshold are the same. As shown in fig. 7, the method may include the steps of:

701. and acquiring the working bandwidth of the terminal and the target output power of the PA.

702. And when the working bandwidth is smaller than a preset first bandwidth threshold and the target output power is larger than a preset first power threshold, the PA is powered by adopting an ET mode.

Optionally, the description of step 701-702 may specifically refer to the related description of the foregoing embodiments, and is not repeated herein.

703. And when the working bandwidth is greater than or equal to the first bandwidth threshold and not less than a preset third bandwidth threshold, the PA is powered by adopting an EPT mode.

704. And when the working bandwidth is larger than the third bandwidth threshold, adopting an APT mode PA for supplying power.

In this embodiment, it can be determined which power tracking mode is used to power the PA, based only on the operating bandwidth of the terminal. Specifically, if the working bandwidth is not less than a preset first bandwidth threshold, it may further be detected whether the working bandwidth is greater than a preset third bandwidth threshold, and if the working bandwidth is greater than the third bandwidth threshold, the PA may be powered by using an APT mode; if the first bandwidth threshold is greater than or equal to and less than the third bandwidth threshold, the PA power supply can be performed in an EPT mode. Optionally, if the operating bandwidth is smaller than the first bandwidth threshold but the target output power is not greater than the preset first power threshold, the original PA power supply mode may be maintained, or the mode may be switched to the APT or EPT mode.

In this embodiment, the terminal can select whether to use the ET mode, the EPT mode, or the APT mode to supply power to the PA according to whether the working bandwidth and the target output power reach the corresponding threshold value by acquiring the working bandwidth of the terminal and the configured target output power of the PA, that is, the PA power supply mode can be dynamically adjusted by tracking the target output power and the real-time working bandwidth of the PA, which is helpful to improve PA efficiency and reduce PA power consumption, thereby reducing terminal power consumption, reducing power consumption, and improving terminal endurance time.

It is to be understood that the above method embodiments are all illustrations of the power supply control method of the present application, and the descriptions of the respective embodiments have respective emphasis, and reference may be made to relevant descriptions of other embodiments for parts that are not described in detail in a certain embodiment.

Please refer to fig. 8, which is a schematic structural diagram of a terminal according to an embodiment of the present application. As shown in fig. 8, the terminal may include: a power amplifier 840, a processor 810, a memory 820, a communication interface 830, and one or more programs 821, wherein the one or more programs 821 are stored in the memory 820 and configured to be executed by the processor 810, the programs comprising instructions for:

acquiring characteristic information of the terminal, wherein the characteristic information comprises the working bandwidth of the terminal and/or the target output power of a power amplifier of the terminal;

powering the power amplifier based on the characteristic information.

In some embodiments, when the power amplifier is powered based on the characteristic information, the program includes instructions for performing the steps of:

if the working bandwidth of the terminal is smaller than a first bandwidth threshold value and/or the target output power is larger than a first power threshold value, the power amplifier is powered by adopting the first power supply mode; and/or the presence of a gas in the gas,

if the working bandwidth of the terminal is greater than or equal to the second bandwidth threshold and/or the target output power is less than or equal to a second power threshold, a second power supply mode is adopted to supply power to the power amplifier;

wherein the first bandwidth threshold is less than or equal to the second bandwidth threshold, and the first power threshold is greater than or equal to the second power threshold.

In some embodiments, the first supply mode is an envelope tracking ET mode; and/or the second power supply mode is a Power Tracking (PT) mode.

In some embodiments, the PT mode includes an average power tracking mode or a gain power tracking mode.

In some embodiments, when said powering said power amplifier in said second power mode, said program comprises instructions for:

if the working bandwidth of the terminal is smaller than a third broadband threshold value and/or the target output power is larger than a third power threshold value, the power amplifier is powered by adopting the EPT mode;

if the working bandwidth of the terminal is greater than or equal to the third broadband threshold and/or the target output power is less than or equal to the third power threshold, the power amplifier is powered by adopting the average power tracking mode;

wherein the third bandwidth threshold is greater than the second bandwidth threshold, and the third power threshold is less than the second power threshold.

In some embodiments, the working bandwidth is a bandwidth of a bandwidth portion BWP activated by the terminal, or the working bandwidth is a bandwidth corresponding to resource blocks RB occupied by the terminal.

In some embodiments, the program further comprises instructions for performing the steps of:

when the working bandwidth is a bandwidth corresponding to the RB occupied by the terminal, acquiring the switching frequency of the power supply mode of the power amplifier within a preset time period;

and when the switching frequency is greater than a preset frequency threshold, taking the bandwidth of the BWP activated by the terminal as the working bandwidth of the terminal.

when the working bandwidth is the bandwidth of the BWP activated by the terminal, detecting whether a power supply mode switching event aiming at the power amplifier occurs before a power supply mode switching timer is overtime;

and if the power supply mode switching event is not detected to occur within the running time of the power supply mode switching timer before the power supply mode switching timer is overtime, taking the bandwidth corresponding to the RB occupied by the terminal as the working bandwidth of the terminal.

Optionally, the terminal may further include the antenna, the filter, the power management chip, or other components or structures, which are not listed here.

The above-mentioned scheme of the embodiment of the present application is introduced mainly from the perspective of interaction between network elements. It is understood that the terminal includes corresponding hardware structures and/or software modules for performing the respective functions in order to implement the above-described functions. Those of skill in the art would readily appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as hardware or combinations of hardware and computer software. Whether a function is performed as hardware or computer software drives hardware depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.

In the embodiment of the present application, the terminal may be divided into the functional units according to the above method example, for example, each functional unit may be divided corresponding to each function, or two or more functions may be integrated into one processing unit. The integrated unit may be implemented in the form of hardware, or may be implemented in the form of a software program module. It should be noted that the division of the unit in the embodiment of the present application is schematic, and is only a logic function division, and there may be another division manner in actual implementation.

Referring to fig. 9, fig. 9 is a schematic diagram illustrating another possible structure of the terminal involved in the above embodiment. Referring to fig. 9, the terminal 900 may include: a processing unit 901 and an acquisition unit 902. Wherein the units may perform the respective functions of the terminal in the above method example. Processing unit 901 is configured to control and manage actions of the terminal, e.g., processing unit 901 is configured to enable the terminal to perform steps 402 to 403 in fig. 4, 602 to 603 in fig. 6, 702 to 704 in fig. 7, and/or other processes for the techniques described herein. The obtaining unit 902 may be used to obtain information and may also support communication of the terminal with other units or devices. The terminal may further include a storage unit 903 for storing program codes and data of the terminal.

The Processing Unit 901 may be a Processor or a controller, such as a Central Processing Unit (CPU), a general-purpose Processor, a Digital Signal Processor (DSP), an Application-Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, a transistor logic device, a hardware component, or any combination thereof. Which may implement or perform the various illustrative logical blocks, modules, and circuits described in connection with the disclosure. The processor may also be a combination of computing functions, e.g., comprising one or more microprocessors, DSPs, and microprocessors, among others. The obtaining unit 902 may be a transceiver, a transceiver circuit, a communication interface, etc., and the storing unit 903 may be a memory.

For example, the obtaining unit 902 is configured to obtain characteristic information of a terminal, where the characteristic information includes an operating bandwidth of the terminal and/or a target output power of a power amplifier configured by the terminal;

a processing unit 901, configured to supply power to the power amplifier based on the characteristic information.

Wherein, the characteristic information can be obtained by the processing unit. Optionally, the processing unit may correspond to the power supply mode switching module, for example, may have a corresponding function of the power supply mode switching module.

In some embodiments, the processing unit 901, when powering the power amplifier based on the characteristic information, may specifically be configured to:

In some embodiments, the first supply mode is an envelope tracking ET mode; and/or the second power supply mode is a Power Tracking (PT) mode. .

In some embodiments, the PT mode may include an average power tracking APT mode or a gain power tracking EPT mode, among others.

In some embodiments, when the processing unit 901 supplies power to the power amplifier in the second power supply mode, it may specifically be configured to:

wherein the third bandwidth threshold is greater than the second bandwidth threshold, and the third power threshold is less than the second power threshold. The threshold referred to in this application may be preset or indicated by the network side, etc.

In some embodiments, the obtaining unit 902 may be further configured to obtain, when the working bandwidth is a bandwidth corresponding to an RB occupied by the terminal, a switching frequency of a power supply mode of the power amplifier within a preset time period;

the processing unit 901 is further configured to use, when the handover frequency is greater than a preset frequency threshold, the bandwidth of the BWP activated by the terminal as the working bandwidth of the terminal.

Optionally, the switching frequency may also be obtained by the processing unit.

In some embodiments, the processing unit 901 is further configured to detect whether a power mode switching event occurs for the power amplifier before a power mode switching timer expires when the operating bandwidth is a bandwidth of a BWP activated by the terminal; and if the power supply mode switching event is not detected to occur before the power supply mode switching timer is overtime, taking the bandwidth corresponding to the RB occupied by the terminal as the working bandwidth of the terminal.

When the processing unit 901 is a processor, the obtaining unit 902 is a communication interface, and the storing unit 903 is a memory, the terminal according to the embodiment of the present application may be the terminal shown in fig. 8.

Optionally, the terminal may implement, through the above-mentioned units, part or all of the steps performed by the terminal in the methods in the embodiments shown in fig. 4 to fig. 7. It should be understood that the embodiments of the present application are device embodiments corresponding to the method embodiments, and the description of the method embodiments is also applicable to the embodiments of the present application, which is not repeated herein.

It is understood that the division of the units in the embodiments of the present application is illustrative, and is only one logical function division, and there may be another division manner in actual implementation. Each functional unit in the embodiments of the present application 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 can be realized in a form of hardware, and can also be realized in a form of a software functional unit.

The embodiment of the present application further provides a computer-readable storage medium, where the computer-readable storage medium stores a computer program for electronic data exchange, where the computer program makes a computer perform some or all of the steps described in the terminal in the above method embodiment.

Embodiments of the present application also provide a computer program product, where the computer program product includes a non-transitory computer-readable storage medium storing a computer program, and the computer program is operable to cause a computer to perform some or all of the steps described in the terminal in the above method embodiments. The computer program product may be a software installation package.

The steps of a method or algorithm described in connection with the disclosure herein may be embodied in hardware or in software instructions executed by a processor. The software instructions may be comprised of corresponding software modules that may be stored in Random Access Memory (RAM), flash Memory, Read Only Memory (ROM), Erasable Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), registers, a hard disk, a removable disk, a compact disc Read Only Memory (CD-ROM), or any other form of storage medium known in the art. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. Of course, the storage medium may also be integral to the processor. The processor and the storage medium may reside in an ASIC. In addition, the ASIC may reside in a communication device such as a terminal. Of course, the processor and the storage medium may reside as discrete components in a communication apparatus.

It is to be understood that the reference herein to first, second, third and various numerical designations is merely a convenient division to describe and is not intended to limit the scope of the embodiments of the present application.

It is to be understood that the term "and/or" herein is merely one type of association relationship describing an associated object, meaning that three types of relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

It should be understood that, in the various embodiments of the present application, the sequence numbers of the above-mentioned processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.

Those skilled in the art will appreciate that in one or more of the examples described above, the functionality described in the embodiments of the present application may be implemented, in whole or in part, 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 application 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 on a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, from one website, computer, server, or data center to another website, computer, server, or data center via wire (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that incorporates 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., Digital Video Disk (DVD)), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.

Claims

A power supply control method is applied to a terminal and is characterized by comprising the following steps:

acquiring characteristic information of the terminal, wherein the characteristic information comprises the working bandwidth of the terminal and/or the target output power of a power amplifier of the terminal;

powering the power amplifier based on the characteristic information.
The method of claim 1, wherein the powering the power amplifier based on the characterization information comprises one of:

if the working bandwidth of the terminal is smaller than a first bandwidth threshold value and/or the target output power is larger than a first power threshold value, the power amplifier is powered by adopting the first power supply mode;

if the working bandwidth of the terminal is greater than or equal to the second bandwidth threshold and/or the target output power is less than or equal to a second power threshold, a second power supply mode is adopted to supply power to the power amplifier;

wherein the first bandwidth threshold is less than or equal to the second bandwidth threshold, and the first power threshold is greater than or equal to the second power threshold.
The method of claim 2, wherein the first supply mode is an Envelope Tracking (ET) mode; and/or the second power supply mode is a Power Tracking (PT) mode.
The method of claim 3, wherein the PT mode comprises an Average Power Tracking (APT) mode or a gain power tracking (EPT) mode.
The method of claim 4, wherein the powering the power amplifier in the second power mode comprises:

if the working bandwidth of the terminal is smaller than a third broadband threshold value and/or the target output power is larger than a third power threshold value, the power amplifier is powered by adopting the EPT mode;

if the working bandwidth of the terminal is greater than or equal to the third broadband threshold and/or the target output power is less than or equal to the third power threshold, the power amplifier is powered by adopting the APT mode;

wherein the third bandwidth threshold is greater than the second bandwidth threshold, and the third power threshold is less than the second power threshold.
The method according to any of claims 1-5, wherein the working bandwidth is a bandwidth of a bandwidth portion BWP activated by the terminal, or wherein the working bandwidth is a bandwidth corresponding to resource blocks RB occupied by the terminal.
The method of claim 6, further comprising:

when the working bandwidth is a bandwidth corresponding to the RB occupied by the terminal, acquiring the switching frequency of the power supply mode of the power amplifier within a preset time period;

and when the switching frequency is greater than a preset frequency threshold, taking the bandwidth of the BWP activated by the terminal as the working bandwidth of the terminal.
The method of claim 6, further comprising:

when the working bandwidth is the bandwidth of the BWP activated by the terminal, detecting whether a power supply mode switching event aiming at the power amplifier occurs before a power supply mode switching timer is overtime;

and if the power supply mode switching event is not detected to occur before the power supply mode switching timer is overtime, taking the bandwidth corresponding to the RB occupied by the terminal as the working bandwidth of the terminal.
A terminal is characterized by comprising an acquisition unit and a processing unit;

the acquiring unit is configured to acquire feature information of the terminal, where the feature information includes an operating bandwidth of the terminal and/or a target output power of a power amplifier of the terminal;

the processing unit is used for supplying power to the power amplifier based on the characteristic information.
The terminal according to claim 9, wherein the processing unit, when powering the power amplifier based on the characteristic information, is specifically configured to perform one of the following:

if the working bandwidth of the terminal is smaller than a first bandwidth threshold value and/or the target output power is larger than a first power threshold value, the power amplifier is powered by adopting the first power supply mode;

if the working bandwidth of the terminal is greater than or equal to the second bandwidth threshold and/or the target output power is less than or equal to a second power threshold, a second power supply mode is adopted to supply power to the power amplifier;

wherein the first bandwidth threshold is less than or equal to the second bandwidth threshold, and the first power threshold is greater than or equal to the second power threshold.
The terminal of claim 10, wherein the first supply mode is an Envelope Tracking (ET) mode; and/or the second power supply mode is a Power Tracking (PT) mode.
The terminal of claim 11, wherein the PT mode comprises an Average Power Tracking (APT) mode or a gain power tracking (EPT) mode.
The terminal according to claim 12, wherein the processing unit, when powering the power amplifier in the second power supply mode, is specifically configured to:

if the working bandwidth of the terminal is smaller than a third broadband threshold value and/or the target output power is larger than a third power threshold value, the power amplifier is powered by adopting the EPT mode;

if the working bandwidth of the terminal is greater than or equal to the third broadband threshold and/or the target output power is less than or equal to the third power threshold, the power amplifier is powered by adopting the APT mode;

wherein the third bandwidth threshold is greater than the second bandwidth threshold, and the third power threshold is less than the second power threshold.
The terminal according to any of claims 9-13, wherein the working bandwidth is a bandwidth of a bandwidth portion BWP activated by the terminal, or wherein the working bandwidth is a bandwidth corresponding to resource blocks RB occupied by the terminal.
The terminal of claim 14,

the obtaining unit is further configured to obtain a switching frequency of a power supply mode of the power amplifier within a preset time period when the working bandwidth is a bandwidth corresponding to the RB occupied by the terminal;

the processing unit is further configured to use, when the handover frequency is greater than a preset frequency threshold, a bandwidth of the BWP activated by the terminal as an operating bandwidth of the terminal.
The terminal of claim 14,

the processing unit is further configured to detect whether a power mode switching event occurs for the power amplifier before a power mode switching timer expires when the operating bandwidth is a bandwidth of BWP activated by the terminal; and if the power supply mode switching event is not detected to occur before the power supply mode switching timer is overtime, taking the bandwidth corresponding to the RB occupied by the terminal as the working bandwidth of the terminal.
A terminal comprising a processor, memory, and one or more programs stored in the memory and configured to be executed by the processor, the programs comprising instructions for performing the steps in the method of any of claims 1-8.
A computer-readable storage medium, characterized in that the computer-readable storage medium stores a computer program, the computer program causing a computer to execute the method according to any one of claims 1-8.