Transmitting power adjusting method and device and storage medium

Abstract

The invention provides a transmitting power adjusting method and device and a storage medium. According to the method, whether a current service scene is a first service of enhanced mobile bandwidth and / or high-reliability low-delay communication is identified; in the whole operation process of a first service, the transmitting power of a first channel corresponding to the first service in a current period and a power rollback value corresponding to the first channel in the period are periodically evaluated, and then the transmitting power of the first channel in the current period is determined according to the first transmitting power, the power rollback value and a transmitting power limit value corresponding to an area where the electronic equipment is currently located. According to the method, the transmitting power is dynamically adjusted, and finally the transmitting power suitable for the period is obtained through adjustment, and the signal is transmitted in the first channel, so that in the whole operation process of the first service, the signal can be transmitted at the appropriate transmitting power, the communication quality is ensured, and meanwhile it can be ensured that a user is in a safe electromagnetic radiation range.

Description

Technical Field

[0001] The present application relates to the field of communication technology, and in particular to a method, device and storage medium for adjusting transmission power. Background Art

[0002] With the development of communication technology and terminal technology, electronic devices can realize more and more functions. While electronic devices bring convenience to users' daily life and office, they also expose users to more electromagnetic radiation.

[0003] Since electromagnetic radiation can cause electromagnetic pollution and affect human health, how to reduce electromagnetic radiation has become a technical problem that needs to be solved urgently. Summary of the invention

[0004] In order to solve the above technical problems, the present application provides a method, device and storage medium for adjusting the transmission power, aiming to reduce the electromagnetic wave absorption ratio by adjusting the transmission power throughout the entire business cycle according to the current business scenario, thereby achieving the effect of reducing electromagnetic radiation.

[0005] In the first aspect, the present application provides a method for adjusting the transmission power. The method is applied to an electronic device, including: identifying the current service as a first service, the first service being an enhanced mobile broadband and / or a high-reliability, low-latency communication service; during the operation of the first service, obtaining the first channel state information of the first channel corresponding to the first service for transmitting uplink data according to a set period; determining the first transmission power supported by the first channel in the current period according to the first channel state information; determining the power backoff value of the first channel in the current period according to the first channel state information; determining the first target transmission power according to the first transmission power, the power backoff value and the transmission power limit value, the transmission power limit value is determined according to the electromagnetic wave absorption ratio limit value of the area where the electronic device is located; transmitting a signal in the first channel at the first target transmission power in the current period.

[0006] Exemplarily, the first service includes, for example, the voice call service, audio and video call / conference service, live broadcast service, game service, etc. mentioned in the following embodiments.

[0007] Exemplarily, the first channel state information is, for example, the channel state information used to measure the situation when the channel transmits uplink data in the following embodiments. In a possible situation, the channel state information includes but is not limited to the communication signal and interference signal strength in the channel.

[0008] Exemplarily, a period is set, such as the period of transmitting a signal on the channel as described in the following embodiments.

[0009] Exemplarily, the transmission power limit value, for example, pLimit mentioned in the following embodiments.

[0010] Exemplarily, the electromagnetic wave absorption ratio limit value is, for example, the SAR limit value mentioned in the following embodiments.

[0011] In this way, by identifying whether the current service scenario is the first service of enhanced mobile bandwidth and / or high-reliability and low-latency communication, and then when it is determined that the current service is the first service, the first transmission power of the first channel corresponding to the first service in the current cycle and the power backoff value corresponding to the first channel in the cycle are periodically evaluated during the entire operation process of the first service, and then the first transmission power is dynamically adjusted according to the first transmission power, the power backoff value, and the transmission power limit value corresponding to the current area of ​​the electronic device to obtain the first target transmission power suitable for the cycle, and finally the signal is transmitted in the first channel with the first target transmission power, so that the entire operation process of the first service can not only transmit signals with appropriate transmission power to ensure communication quality, but also ensure that users are in a safe electromagnetic radiation range.

[0012] According to the first aspect, based on the first channel state information, the power backoff value of the first channel in the current period is determined, including: based on the first channel state information, determining the uplink scheduling rate of the first channel in the current period; based on the uplink scheduling rate, determining the uplink proportion of the first channel in the current period; based on the uplink proportion, determining the power backoff value of the first channel in the current period.

[0013] By determining the power value that needs to be backed off for the first channel within the current evaluation period based on the first channel status information within the period, it is ensured that, on the basis of the first transmission power, the first target transmission power obtained by backing off the power back-off value can always be less than the transmission power limit value, thereby ensuring that the electromagnetic radiation generated when the electronic device transmits a signal with the adjusted first target transmission power is within a safe range, thereby ensuring user safety.

[0014] According to the first aspect, or any implementation method of the first aspect above, a first target transmit power is determined based on the first transmit power, the power backoff value and the transmit power limit value, including: when the first transmit power is greater than the transmit power limit value, controlling the first transmit power, backing off the power backoff value, and obtaining the first target transmit power; wherein the first target transmit power is less than the transmit power limit value.

[0015] Therefore, when the first transmission power supported by the first channel determined in the current cycle is greater than the transmission power limit value, the first transmission power is controlled to fall back to the power backoff value determined according to the first channel state information. This can not only ensure that the user is in a safe electromagnetic radiation range, but also avoid falling back the first transmission power to the determined power backoff value in each cycle, thereby ensuring communication quality.

[0016] According to the first aspect, or any one of the implementation methods of the first aspect above, the first transmit power is controlled, the power backoff value is backed off, and the first target transmit power is obtained, including: determining the transmit power adjustment step corresponding to the current period according to the power backoff value, the transmit power adjustment step is less than the power backoff value; according to the transmit power adjustment step, within the current period, the first transmit power is controlled to gradually backoff until the power backoff value is backed off; and the first transmit power after the power backoff value is backed off is used as the first target transmit power.

[0017] Therefore, by determining a transmission power adjustment step that is smaller than the power backoff value, that is, a small step, and then controlling the first transmission power to gradually back off according to the small step until the power backoff value is reached, the electromagnetic radiation corresponding to the first transmission power transmission signal is controlled to a safe range while avoiding a sudden deterioration in user experience, thereby making the user experience change process smooth.

[0018] According to the first aspect, or any implementation of the first aspect above, determining the transmit power adjustment step corresponding to the current period according to the power backoff value includes: determining the transmit power adjustment step according to the power backoff value and the duration of the current period.

[0019] Exemplarily, the method of determining the transmission power adjustment step length according to the power backoff value and the duration of the current cycle is, for example, to obtain the average per unit time according to the power backoff value and the duration of the current cycle. In this way, when adjusting the transmission power based on the transmission power adjustment step length, the transmission power can be uniformly reduced, making the user experience process smoother.

[0020] According to the first aspect, or any implementation method of the first aspect above, the first target transmit power is determined according to the first transmit power, the power backoff value and the transmit power limit value, and also includes: when the first transmit power is not greater than the transmit power limit value, the first transmit power is used as the first target transmit power.

[0021] Therefore, when the first transmit power is not greater than the transmit power limit value, even if the power backoff value is determined according to the first channel state information, the first transmit power may not be adjusted, but the signal may be directly transmitted at the first transmit power. In this way, while ensuring that the user is in a safe electromagnetic radiation range, the electronic device can currently have a higher transmit power, thereby ensuring the communication quality and further ensuring the user experience.

[0022] According to the first aspect, or any implementation method of the first aspect above, identifying the current service as the first service includes: obtaining the data stream currently generated by the electronic device; performing service identification on the data stream to determine the application providing the data stream; determining the network characteristics of the service corresponding to the application based on the attributes of the application; when the network characteristics of the service meet the network characteristics of enhanced mobile broadband and / or high-reliability and low-latency communication, determining that the current service is the first service.

[0023] Exemplary network characteristics of enhanced mobile bandwidth include, for example, greater network throughput, higher peak rate, low latency, etc. as described in the following embodiments.

[0024] Exemplary network characteristics of high-reliability and low-latency communications include, for example, high reliability and ultra-low latency as described in the following embodiments.

[0025] According to the first aspect, or any implementation method of the first aspect above, the method also includes: identifying that the current service is a second service, and the network characteristics that the second service focuses on are different from the network characteristics that the first service focuses on; during the operation of the second service, adjusting the second transmission power of the second channel corresponding to the second service by limiting the transmission power peak or limiting the transmission power within the average time; and transmitting a signal on the second channel according to the adjusted second transmission power.

[0026] In this way, for services (second services) with lower network requirements than the first service, the transmission power is adjusted directly by limiting the transmission power peak or limiting the transmission power within the average time, ensuring that the electromagnetic radiation can always be within a safe electromagnetic radiation range and ensuring user safety.

[0027] According to the first aspect, or any implementation method of the first aspect above, the second transmission power of the second channel corresponding to the second service is adjusted, including: adjusting the second transmission power to a set transmission power peak value or a corresponding transmission power within a set average time in a one-step adjustment manner, and the set transmission power peak value and the corresponding transmission power within the average time are both less than the transmission power limit.

[0028] Therefore, through a one-step adjustment method, electromagnetic radiation can be reduced to a safe electromagnetic radiation range as quickly as possible, ensuring user safety.

[0029] According to the first aspect, or any implementation method of the first aspect above, before transmitting a signal in the first channel at the first target transmission power in the current period, the method also includes: determining whether the first channel is a physical random access channel PRACH with a wireless resource control state in a service state; when the first channel is not a PRACH in a service state, determining whether the transmission signal corresponding to the first service is a channel sounding reference signal SRS; when the transmission signal corresponding to the first service is not SRS, determining whether the first channel is a physical uplink control channel PUCCH; when the first channel is PUCCH, determining whether there is a scheduling request SR signal in the PUCCH; when there is no SR signal in the PUCCH, determining whether there is a hybrid automatic repeat request HARQ signal in the PUCCH; when there is no HARQ signal in the PUCCH, determining whether there is second channel state information in the PUCCH for measuring the transmission of downlink data; when there is no second channel state information in the PUCCH, executing the step of transmitting a signal in the first channel at the first target transmission power in the current period.

[0030] Therefore, before transmitting a signal with the first target transmission power, it is further determined whether the first channel is in a specific state, or is an important channel containing a specific signal, such as PRACH, PUCCH, etc., and only when it is determined that the first channel is not a specific important channel, the signal is transmitted in the first channel with the first target transmission power within the current cycle, thereby avoiding the transmission power of these important channels from being adjusted, thereby ensuring that the services of the important channels can proceed normally.

[0031] According to the first aspect, or any implementation of the first aspect above, the method further includes: when the first channel is a PRACH in a traffic state, transmitting a signal in the first channel at a first transmission power within a current period.

[0032] Therefore, when the first channel is a specific important channel, information is directly transmitted with the first transmission power currently supported by the first channel, thereby ensuring the normal operation of the service corresponding to the channel.

[0033] According to the first aspect, or any implementation of the first aspect above, the method further includes: when the transmission signal corresponding to the first service is SRS, transmitting the signal in the first channel with the first transmission power within the current period.

[0034] Therefore, when the first channel is a specific important channel, information is directly transmitted with the first transmission power currently supported by the first channel, thereby ensuring the normal operation of the service corresponding to the channel.

[0035] According to the first aspect, or any implementation of the first aspect above, the method further includes: when there is an SR signal in the PUCCH, transmitting a signal in the first channel with a first transmission power within a current period.

[0036] Therefore, when the first channel is a specific important channel, information is directly transmitted with the first transmission power currently supported by the first channel, thereby ensuring the normal operation of the service corresponding to the channel.

[0037] According to the first aspect, or any implementation of the first aspect above, the method further includes: when there is a HARQ signal in the PUCCH, transmitting the signal in the first channel with the first transmission power in the current cycle.

[0038] Therefore, when the first channel is a specific important channel, information is directly transmitted with the first transmission power currently supported by the first channel, thereby ensuring the normal operation of the service corresponding to the channel.

[0039] According to the first aspect, or any implementation of the first aspect above, the method further includes: when there is second channel state information in the PUCCH, transmitting a signal in the first channel with the first transmission power within the current period.

[0040] Therefore, when the first channel is a specific important channel, information is directly transmitted with the first transmission power currently supported by the first channel, thereby ensuring the normal operation of the service corresponding to the channel.

[0041] In the second aspect, the present application provides a method for adjusting transmit power. The method is applied to an electronic device, including: in the process of the electronic device executing a service, obtaining the channel state information of the uplink data transmitted by the channel corresponding to the service currently executed by the electronic device according to a set period; determining the transmit power supported by the channel in the current period according to the channel state information; determining the power backoff value of the channel in the current period according to the channel state information; adjusting the transmit power according to the transmit power, the power backoff value and the transmit power limit value, the transmit power limit value being determined according to the electromagnetic wave absorption ratio limit value of the area where the electronic device is located; determining whether the channel is a physical random access channel PRACH with a wireless resource control state in a service state; when the channel is not a PRACH in a service state, determining whether the transmit signal corresponding to the service is a channel sounding reference signal SR S; when the transmission signal corresponding to the service is not SRS, determine whether the channel is the physical uplink control channel PUCCH; when the channel is PUCCH, determine whether there is a scheduling request SR signal in the PUCCH; when there is no SR signal in the PUCCH, determine whether there is a hybrid automatic repeat request HARQ signal in the PUCCH; when there is no HARQ signal in the PUCCH, determine whether there is channel state information for measuring the transmission of downlink data in the PUCCH; when there is no channel state information for measuring the transmission of downlink data in the PUCCH, transmit the signal in the channel with the adjusted transmission power within the current period; otherwise, transmit the signal in the channel directly with the transmission power supported by the channel in the current period within the current period.

[0042] In this way, regardless of the specific type of service currently executed by the electronic device, during the entire operation process of the current service, the transmission power of the channel corresponding to the service in the current period and the power backoff value corresponding to the channel in the period are periodically evaluated, and then the transmission power is dynamically adjusted according to the transmission power, the power backoff value, and the transmission power limit value corresponding to the current area of ​​the electronic device, thereby realizing dynamic adjustment of all services that can be executed by the electronic device.

[0043] In addition, before transmitting signals in the channel according to the adjusted transmit power, it is further determined whether the channel is a PRACH in service state, and whether it is a channel that does not transmit SR signals, HARQ signals, and channel state information used to measure downlink data transmission. Only when it is determined that the above judgments are met, the signal is transmitted in the channel according to the adjusted transmit power, otherwise the signal is directly transmitted in the channel with the transmit power supported by the current channel, that is, the transmit power is not adjusted. In this way, it is ensured that users are in a safe electromagnetic radiation range, and the transmit power requirements of the most important channels are taken into account, ensuring the communication quality of important channels.

[0044] In a third aspect, the present application provides an electronic device. The electronic device includes: a memory and a processor, the memory and the processor are coupled; the memory stores program instructions, and when the program instructions are executed by the processor, the electronic device executes the instructions of the method in the first aspect or any possible implementation of the first aspect; or executes the instructions of the method in the implementation of the second aspect.

[0045] The implementation of the third aspect corresponds to the first aspect and any one of the implementations of the first aspect, or corresponds to the implementation of the second aspect. The technical effect corresponding to the implementation of the third aspect can refer to the technical effect corresponding to the first aspect and any one of the implementations of the first aspect, and the technical effect corresponding to the implementation of the second aspect, which will not be repeated here.

[0046] In a fourth aspect, the present application provides a computer-readable medium for storing a computer program, wherein the computer program includes instructions for executing the method in the first aspect or any possible implementation of the first aspect; or instructions for executing the method in the implementation of the second aspect.

[0047] The implementation of the fourth aspect corresponds to the first aspect and any one of the implementations of the first aspect, or corresponds to the implementation of the second aspect. The technical effect corresponding to the implementation of the fourth aspect can refer to the technical effect corresponding to the first aspect and any one of the implementations of the first aspect, and the technical effect corresponding to the implementation of the second aspect, which will not be repeated here.

[0048] In a fifth aspect, the present application provides a computer program, comprising instructions for executing the method in the first aspect or any possible implementation of the first aspect; or instructions for executing the method in the implementation of the second aspect.

[0049] The implementation of the fifth aspect corresponds to the first aspect and any one of the implementations of the first aspect, or corresponds to the implementation of the second aspect. The technical effect corresponding to the implementation of the fifth aspect can refer to the technical effect corresponding to the first aspect and any one of the implementations of the first aspect, and the technical effect corresponding to the implementation of the second aspect, which will not be repeated here.

[0050] In a sixth aspect, the present application provides a chip system, which includes a processor, and the processor is used to support an electronic device to implement a method such as the first aspect or any possible implementation of the first aspect, or a method such as a possible implementation of the second aspect.

[0051] According to a sixth aspect, the processor includes an application processor and a modem, that is, the AP and Modem mentioned in the following embodiments.

[0052] The sixth aspect and any implementation of the sixth aspect correspond to the first aspect and any implementation of the first aspect, respectively; or correspond to the implementation of the second aspect. The technical effects corresponding to the sixth aspect and any implementation of the sixth aspect can refer to the technical effects corresponding to the first aspect and any implementation of the first aspect, and the technical effects corresponding to the implementation of the second aspect, which will not be repeated here. BRIEF DESCRIPTION OF THE DRAWINGS

[0053] Figure 1 The figure is a schematic diagram showing the distribution of SAR in a business scenario;

[0054] Figure 2A This is a schematic diagram of the maximum transmit power ratio value of the transmit signal in the N1 frequency band in a scenario where the transmit power is adjusted by limiting the transmit power peak value;

[0055] Figure 2B This is a schematic diagram of the maximum transmit power ratio value of the SRS in the N41 frequency band in a scenario where the transmit power is adjusted by limiting the transmit power peak value;

[0056] Figure 3 A schematic diagram of a communication network architecture is shown as an example;

[0057] Figure 4 The figure is a schematic diagram of a hardware structure of an electronic device shown as an example;

[0058] Figure 5 A schematic diagram of a software structure of an electronic device is shown as an example;

[0059] Figure 6 A flowchart of a method for adjusting transmit power provided in an embodiment of the present application is exemplified;

[0060] Figure 7 A schematic diagram of a maximum transmit power ratio value of a transmit signal in the N1 frequency band is exemplarily shown in a scenario where the transmit power is adjusted using the transmit power adjustment method provided in an embodiment of the present application;

[0061] Figure 8 A schematic diagram of a flow chart of a method for adjusting transmit power provided in another embodiment of the present application is exemplified;

[0062] Fig. 9 The present invention is a flowchart of another exemplary method for adjusting the transmission power provided in an embodiment of the present application. DETAILED DESCRIPTION

[0063] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0064] The term "and / or" in this article is merely a description of the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B can mean: A exists alone, A and B exist at the same time, and B exists alone.

[0065] The terms "first" and "second" in the description and claims of the embodiments of the present application are used to distinguish different objects rather than to describe a specific order of objects. For example, a first target object and a second target object are used to distinguish different target objects rather than to describe a specific order of target objects.

[0066] In the embodiments of the present application, words such as "exemplary" or "for example" are used to indicate examples, illustrations or descriptions. Any embodiment or design described as "exemplary" or "for example" in the embodiments of the present application should not be interpreted as being more preferred or more advantageous than other embodiments or designs. Specifically, the use of words such as "exemplary" or "for example" is intended to present related concepts in a specific way.

[0067] In the description of the embodiments of the present application, unless otherwise specified, the meaning of "multiple" refers to two or more than two. For example, multiple processing units refer to two or more processing units; multiple systems refer to two or more systems.

[0068] With the development of communication technology and terminal technology, electronic devices can realize more and more functions. While electronic devices bring convenience to users' daily life and office, they also expose users to more electromagnetic radiation.

[0069] Electromagnetic radiation can cause electromagnetic pollution and affect human health. At present, in order to reduce electromagnetic radiation, in some possible implementation methods, electromagnetic shielding measures are taken to reduce electromagnetic radiation energy and thus improve the electromagnetic environment. However, since electromagnetic shielding measures need to consider materials and even need to add additional devices to electronic devices, the implementation cost is relatively high. Therefore, in other possible implementation methods, various technical measures are taken during product design to reduce electromagnetic radiation energy from the source.

[0070] Regarding the method of reducing the electromagnetic radiation energy from the source, for example, it can be achieved by adjusting the electromagnetic wave absorption ratio (Specific Absorption Rate, SAR).

[0071] It should be noted that SAR is a standard quantity used to measure the absorption of electromagnetic energy generated by mobile phones and other electronic devices by human tissue. The unit of SAR is W / Kg (watt / kilogram). The larger the SAR, the greater the impact of electromagnetic radiation on the user; otherwise, the impact is smaller.

[0072] In addition, it should be noted that since mobile phones, tablets and other electronic devices need to meet local laws, regulations and standards when entering the market, different countries and regions have formulated corresponding mandatory management requirements and set SAR limit values. Among them, the SAR limit value refers to the maximum amount of electromagnetic wave radiation (electromagnetic energy) allowed to be absorbed per kilogram of human tissue within 6 minutes.

[0073] Different countries and regions have different management requirements (measurement standards) and therefore different SAR limits. For example, the United States uses 1 gram (g) as the mass unit, and the SAR limit is set at 1.6W / Kg; the European Union and China use 10g as the mass unit, and the SAR limit is set at 2.0W / Kg. That is, when electronic devices enter different markets, the actual SAR does not exceed the SAR limit set in that region.

[0074] For example, when a user holds a mobile phone, an electronic device, close to his head, when the electronic device uses a transmission power of power value P, the antenna of the electronic device (such as Figure 4 When the antenna 1) shown in FIG. 1 transmits a signal, the SAR distribution diagram of the test result can be shown as follows: Figure 1 shown.

[0075] For example, the darker the area, the greater the SAR and the greater the electromagnetic radiation. Figure 1 In the SAR distribution diagram shown, the SAR in area 1 is the largest. Therefore, as long as the SAR in area 1 does not exceed the SAR limit value in the area, it can be guaranteed Figure 1 In the scenario shown (a scenario in which a user holds a mobile phone, an electronic device, close to his head), the antenna of the electronic device transmits signals using a transmit power of P, which complies with the regulatory requirements for SAR in the region.

[0076] Based on this, it can be seen that the way to reduce the electromagnetic radiation energy from the source can be achieved by reducing the electromagnetic wave absorption ratio (Specific Absorption Rate, SAR). The reduction of SAR can be achieved by adjusting the transmit power of the antenna. That is, by adjusting the transmit function of the antenna, the effect of reducing the electromagnetic radiation of electronic equipment can be achieved. However, reducing the transmit power of the antenna may lead to a decrease in communication quality. At present, in order to improve the uplink coverage and rate of the network, operators have put forward standardized requirements for high-power (high transmit power) electronic equipment in multiple frequency bands. Therefore, when the transmit power of the electronic device increases, if the uplink and downlink resource ratio is not appropriate, it will cause the SAR to fail to meet the regional requirements, that is, the SAR cannot be reduced, and then the electromagnetic radiation cannot be reduced, affecting human health.

[0077] Therefore, how to reasonably adjust the antenna's transmission power to ensure that users are within a safe electromagnetic radiation range without affecting the user experience is a problem that needs to be solved urgently.

[0078] Currently, in some possible implementations, the uplink transmit power of electronic devices is controlled by limiting the peak transmit power (Peak Tx Power) or limiting the transmit power within the average time (time average power), thereby reducing SAR and keeping users within a safe electromagnetic radiation range.

[0079] like Figure 2A As shown in the figure, within the time range of "07:35.3" to "08:30.3", if the maximum transmission power (PLimit) corresponding to the SAR regulations corresponding to the current usage scenario is 16. Based on the above restriction method, in order to ensure that the transmission power can always be less than PLimit, a transmission power peak value less than PLimit will be set, such as between 14 and 16, such as 15. In this time range, the electronic device can only transmit signals at a transmission power of 15.

[0080] Continue to see Figure 2A For example, if the regulatory requirements for SAR corresponding to the usage scenario change after the moment "08:30.3" to the moment "09:30.1", in order to meet the regulatory requirements for SAR corresponding to the scenario, the peak transmission power needs to be adjusted from 15 to 10. Specifically, the electronic device directly changes from transmitting signals using a transmission power of 15 to transmitting signals using a transmission power of 10.

[0081] It should be understood that the above description is only an example for better understanding the technical solution of this embodiment, and is not the only limitation to this embodiment. The implementation method of limiting the transmit power within the averaging time is similar to this, and will not be repeated here.

[0082] From the above examples, we can see that this method of adjusting the transmit power can reduce SAR to keep users within a safe electromagnetic radiation range. However, it will cause a sudden drop in transmit power, which will cause the current services of the electronic device to freeze and the interface of the electronic device to become distorted, seriously affecting the user experience.

[0083] In addition, the peak transmit power or the transmit power within the limited average time set in the above-mentioned method of adjusting transmit power, once set, will be effective for all channels. This will cause some important channels, such as the channel that transmits the channel sounding reference signal (SRS) in turn, to be affected in transmitting SRS, and thus the corresponding services cannot be completed.

[0084] like Figure 2B As shown, when the SRS at the N41 frequency needs to be transmitted in rotation at a transmission power of 15, or even higher than 15, such as 20, if the electronic device is currently used in a scenario or in an area where the corresponding SAR regulations require that PLimit be limited to 14. Based on the above restriction method, in order to ensure that the transmission power can always be less than PLimit, a transmission power peak value less than PLimit is set, such as 10. Then, in the time period from "17:18.0" to "17:34.1", the electronic device will continue to transmit the SRS at a transmission power of 10, which makes it impossible for the electronic device to complete the corresponding services based on the SRS, such as estimating the frequency domain information of the uplink channel and performing frequency selective scheduling; and it cannot be used to estimate the downlink channel and perform downlink beamforming.

[0085] It should be understood that the above description is only an example for better understanding the technical solution of this embodiment, and is not the only limitation to this embodiment. The implementation method of limiting the transmit power within the averaging time is similar to this, and will not be repeated here.

[0086] In view of this, an embodiment of the present application provides a method for adjusting the transmission power. By determining the requirements of the current business scenario for communication quality, and then according to the requirements of different business scenarios for communication quality, the transmission power is periodically evaluated during the entire business process, and the maximum uplink transmission power is controlled in a small step size, thereby avoiding a sudden deterioration in user experience and making the user experience change process smoother, thereby achieving the goal of not affecting the user experience and ensuring that the user is within a safe electromagnetic radiation range.

[0087] In order to better understand the technical solution provided by the embodiments of the present application, before describing the technical solution of the embodiments of the present application, the communication systems to which the embodiments of the present application can be applied are first exemplified.

[0088] Exemplarily, the embodiments of the present application may be applicable to but not limited to the following communication systems: Narrowband Internet of Things (NB-IoT) system, Wireless Local Access Network (WLAN) system, Long Term Evolution (LTE) system, vehicle wireless communication system (vehicle toX, V2X), fifth generation mobile communication (5th Generation Mobile Networks Or 5th Generation Wireless Systems, 5G) also known as new air interface (New Radio, NR) system, or communication systems after 5G, such as 6G system, device to device (Device To Device, D2D) communication system, etc.

[0089] In order to facilitate understanding of the communication network architecture of the above communication system, the following Figure 3 The communication network architecture of the communication system to which the embodiments of the present application are applicable is described.

[0090] For example, Figure 3Taking the network service architecture of the 5G system as an example, the interaction relationship between network functions and entities and the corresponding interfaces are demonstrated. The network functions and entities included in the service-based architecture (SBA) of the 3rd Generation Partnership Project (3GPP) of the 5G system mainly include: User Equipment (UE), Access Network (AN) or Radio Access Network (RAN), User Plane Function (UPF), Data Network (DN), Access Management Function (AMF), Session Management Function (SMF), Authentication Server Function (AUSF), Policy Control Function (PCF), Application Function (AF), Network Slice Selection Function (NSSF), Unified Data Management (UDM), Network Exposure Function (NEF) and Network Repository Function (NRF).

[0091] Among them, UE, AN / RAN, UPF and DN are generally referred to as user plane network functions and entities (or user plane network elements), and the other parts are generally referred to as control plane network functions and entities (or control plane network elements). The control plane network element is defined by 3GPP as a processing function in a network. The control plane network element has 3GPP-defined functional behaviors and 3GPP-defined interfaces. The network function can be implemented as a network element running on proprietary hardware, or a software instance running on proprietary hardware, or a virtual function instantiated on a suitable platform, such as a cloud-based device.

[0092] The main functions of each network element are introduced in detail below.

[0093] AN / RAN: AN / RAN can be various forms of base stations, such as macro base stations, micro base stations (also called "small stations"), distributed unit-control units (Distribute Unit-Control Unit, DU-CU), etc. In addition, the above base station can also be a wireless controller in the Cloud Radio Access Network (CRAN) scenario, or a relay station, access point, vehicle-mounted equipment, wearable device, or network equipment in the future evolved Public Land Mobile Network (PLMN) network. AN / RAN can also be a Broadband Network Gateway (Broadband Network Gateway, BNG), a convergence switch, non-3GPP access equipment, etc. AN / RAN is mainly responsible for wireless resource management on the air interface side, uplink and downlink data classification, Quality of Service (QoS) management, data compression and encryption, signaling processing with control plane network elements, or data forwarding with user plane function network elements. The specific form and structure of AN / RAN are not limited in the embodiments of the present application. For example, in systems using different wireless access technologies, the names of devices with base station functions may be different. For example, the base station can be an Evolved Universal Terrestrial Radio Access Network (E-UTRAN) device in LTE, such as an Evolved NodeB (eNB or e-NodeB), or a Next Generation Radio Access Network (NG-RAN) device (such as gNB) in a 5G system.

[0094] UPF: Mainly responsible for packet routing and forwarding, as well as QoS processing or billing information statistics of user plane data. The transmission resources and scheduling functions that provide services to UEs in UPF are managed and controlled by SMF.

[0095] DN: DN is a network used to transmit data. For example, DN can be a carrier service network, Internet access, or a third-party service network.

[0096] AMF: Mainly responsible for the processing of control plane messages, such as access control, mobility management, legal interception, access authentication / authorization, etc. Specifically, the functions of AMF are: 1) Processing the access network control plane; 2) Processing NAS messages, responsible for NAS encryption protection and integrity protection; 3) Registration management; 4) Connection management; 5) Access management; 6) Mobility management; 7) Legal information interception; 8) Providing session management messages between UE and SMF; 9) Implementing transparent transmission of routed session management (SM) messages, similar to transparent transmission proxy; 10) Access authentication; 11) Access authorization; 12) Forwarding SMS messages (short messages) between UE and short message service function SMSF; 13) Interacting with AUSF and UE to obtain UE authentication intermediate keys; 14) Calculating specific keys for accessing the network.

[0097] SMF: Mainly used for session management, UE Internet Protocol (IP) address allocation and management, selection of manageable user plane functions, endpoints of policy control and charging function interfaces, downlink data notification, etc.

[0098] PCF: Mainly used to provide UE, AMF or SMF with parameters related to UE policy rules, AM policy rules and SM policy rules, manage user subscription information, connect to UDM to access subscribed user information related to policy decisions, etc.

[0099] NRF: Mainly used to provide internal / external addressing functions, receive query requests from other network elements for a certain type of network elements and return information about related network elements.

[0100] AUSF: Mainly responsible for network security, used to generate keys, implement two-way authentication for UE, and support a unified authentication framework.

[0101] AF: Used to provide services, mainly for: 1) Application impact on business routing; 2) Exposure of access network capabilities; 3) Interaction with the policy framework for policy management.

[0102] NSSF: Mainly used for the selection and management of Network Slice Instances (NSI), determining the mapping between allowed network slice information and used network slice information, and determining the mapping between configured network slice information and subscribed network slice information.

[0103] NEF: It is an interface network element for bidirectional information exchange between the network and external entities. It is also a logical unit for internal information distribution and aggregation. It mainly includes three capabilities: monitoring capability, supply capability, and policy / billing capability.

[0104] UDM: It consists of two parts, one is called application front end (FE), and the other is called user data repository (UDR).

[0105] Among them, the data to be transmitted can be transmitted through the PDU session established between the UE and the DN (i.e., the communication bearer described in the specification), and the transmission will pass through the two network functional entities of (R)AN and UPF. The UE and (R)AN communicate with each other using a certain air interface technology. N1 is the interface between the UE and the AMF, N2 is the interface between the (R)AN and the AMF, N3 is the interface between the (R)AN and the UPF, N4 is the interface between the SMF and the UPF, and N6 is the interface between the UPF and the DN; Namf is the service-based interface presented by the AMF, Nsmf is the service-based interface presented by the SMF, Nausf is the service-based interface presented by the AUSF, Nnssf is the service-based interface presented by the NSSF, Nnef is the service-based interface presented by the NEF, Nnrf is the service-based interface presented by the NRF, Npcf is the service-based interface presented by the PCF, Nudm is the service-based interface presented by the UDM, and Naf is the service-based interface presented by the AF.

[0106] For the introduction of the functions of network elements such as UPF, DN, AUSF, NSSF, NEF, NRF and UDM, please refer to the explanations and instructions in conventional technologies and will not be repeated here.

[0107] In addition, it should be noted that the terms "system" and "network" used in the embodiments of the present application can be used interchangeably.

[0108] In addition, in the embodiment of the present application, the UE may be a desktop device, laptop device, handheld device, wearable device, smart home device, computing device, etc. with a wireless connection function. For example, a netbook, a tablet computer, an AR / VR device, etc., that is, the electronic devices mentioned above, are not listed one by one this time.

[0109] In addition, the embodiments of the present application do not limit the specific type and structure of the UE. For the convenience of description, the following description is based on an electronic device.

[0110] In order to facilitate understanding of the electronic device involved in the technical solution provided in the embodiment of the present application, the following Figure 4 The hardware structure of an electronic device is described.

[0111] See also Figure 4The electronic device 100 may include: a processor 110, an external memory interface 120, an internal memory 121, a universal serial bus (USB) interface 130, a charging management module 140, a power management module 141, a battery 142, an antenna 1, an antenna 2, a mobile communication module 150, a wireless communication module 160, an audio module 170, a sensor module 180, a button 190, a motor 191, an indicator 192, a camera 193, a display screen 194, and a subscriber identification module (SIM) card interface 195, etc.

[0112] Among them, antenna 1 and antenna 2 are used to transmit and receive electromagnetic wave signals. Each antenna in the electronic device 100 can be used to cover a single or multiple communication frequency bands. Different antennas can also be reused to improve the utilization rate of the antennas. For example, antenna 1 can be reused as a diversity antenna for a wireless local area network. In some other embodiments, the antenna can be used in combination with a tuning switch.

[0113] Specifically in each embodiment of the present application, the uplink transmission signal transmitted by the electronic device according to the adjusted transmission power is specifically sent through antenna 1.

[0114] Among them, the mobile communication module 150 can provide solutions for wireless communications including 2G / 3G / 4G / 5G applied to the electronic device 100. The mobile communication module 150 may include at least one filter, a switch, a power amplifier, a low noise amplifier (LNA), etc. The wireless communication module 160 can provide solutions for wireless communications including wireless local area networks (WLAN) (such as wireless fidelity (Wi-Fi) networks), Bluetooth (BT), global navigation satellite system (GNSS), frequency modulation (FM), nearfield communication technology (NFC), infrared technology (IR), etc. applied to the electronic device 100.

[0115] For example, in some implementations, the antenna 1 of the electronic device 100 may be coupled to the mobile communication module 150, and the antenna 2 may be coupled to the wireless communication module 160. Thus, the electronic device 100 may communicate with the network and other devices through mobile communication technology or wireless communication technology.

[0116] Continue to see Figure 4 For example, the audio module 170 of the electronic device 100 may include a speaker 170A, a receiver 170B, a microphone 170C, an earphone jack 170D, and the like.

[0117] Exemplarily, the electronic device 100 can implement audio functions such as music playback, recording, and the voice call services, audio and video services, live broadcast services, etc. mentioned in the embodiments of the present application through the speaker 170A, the receiver 170B, the microphone 170C, the headphone interface 170D, and the application processor in the audio module 170.

[0118] In addition, regarding the sensor module 180 in the electronic device 100, in some implementations, it may include: pressure sensors, gyroscope sensors, air pressure sensors, magnetic sensors, acceleration sensors, distance sensors, proximity light sensors, fingerprint sensors, temperature sensors, touch sensors, ambient light sensors, bone conduction sensors, etc., which are not listed here one by one and this application does not impose any restrictions on this.

[0119] In addition, it should be noted that, in some implementations, the processor 110 may include one or more processing units, for example: the processor 110 may include an application processor (AP), a modem processor (Modem), a graphics processor (GPU), an image signal processor (ISP), a controller, a memory, a video codec, a digital signal processor (DSP), a baseband processor, and / or a neural-network processing unit (NPU), etc.

[0120] It is understandable that, in a specific implementation, different processing units may be independent devices or may be integrated into one or more processors.

[0121] It should be noted that, in practical applications, the electronic device 100 can implement the technical solutions provided in the embodiments of the present application through the two processing units AP 110A and Modem 110B. Figure 6 The technical solution provided by the embodiment (specifically requiring the use of Figure 5 The scene recognition module and the transmission power adjustment module shown are implemented through the cooperation of AP and Modem Figure 8 The technical solution provided by the embodiment shown in the figure is realized through the cooperation of AP and Modem. Fig. 9The technical solution provided by the illustrated embodiment.

[0122] about Figure 6 , Figure 8 and Fig. 9 The specific implementation details of the illustrated embodiment are not described here in detail, and please refer to the description of the following embodiment for details.

[0123] In addition, it is also understandable that the processing unit, the controller, included in the processor 110 may be the nerve center and command center of the electronic device 100. In practical applications, the controller may generate an operation control signal according to the instruction operation code and the timing signal to complete the control of fetching and executing instructions.

[0124] In addition, the memory in the processor 110 is mainly used to store instructions and data. In some embodiments, the memory in the processor 110 is a cache memory.

[0125] In addition, regarding Figure 4 The USB interface 130 shown in the figure is an interface that complies with USB standard specifications, and may specifically be a MiniUSB interface, a Micro USB interface, a USB Type C interface, etc.

[0126] The charging management module 140 is used to receive charging input from the charger. Figure 4 The power management module 141 shown in the figure is used to connect the battery 142, the charging management module 140 and the processor 110. The power management module 141 receives input from the battery 142 and / or the charging management module 140, and supplies power to the processor 110, the internal memory 121, the external memory, the display screen 194, the camera 193, and the wireless communication module 160. The wireless communication function of the electronic device 100 can be implemented through the antenna 1, the antenna 2, the mobile communication module 150, the wireless communication module 160, the modem processor and the baseband processor.

[0127] also, Figure 4 The electronic device 100 shown in the figure implements the display function through a GPU, a display screen 194, and an application processor. The GPU is a microprocessor for image processing, which connects the display screen 194 and the application processor. The GPU is used to perform mathematical and geometric calculations for graphics rendering. The processor 110 may include one or more GPUs, which execute program instructions to generate or change display information.

[0128] The display screen 194 is specifically used to display images, videos, etc. The display screen 194 includes a display panel. In some embodiments, the electronic device 100 may include 1 or N display screens 194 , where N is a positive integer greater than 1.

[0129] The camera 193 is used to capture static images or videos. In some embodiments, the electronic device 100 may include 1 or N cameras 193, where N is a positive integer greater than 1.

[0130] also, Figure 4 The external memory interface 120 shown in the figure can be used to connect an external memory card, such as a Micro SD card, to expand the storage capacity of the electronic device 100. The external memory card communicates with the processor 110 through the external memory interface 120 to implement a data storage function. For example, files such as music and videos are stored in the external memory card.

[0131] also, Figure 4 The internal memory 121 can be used to store computer executable program codes, which include instructions. The processor 110 executes the instructions stored in the internal memory 121 to perform various functional applications and data processing of the electronic device 100.

[0132] also, Figure 4 The motor 191 shown in the figure may be, for example, a vibration motor; the indicator 192 may be an indicator light.

[0133] also, Figure 4 The SIM card interface 195 shown in the figure can be used to connect a SIM card or a USIM card.

[0134] The hardware structure of the electronic device 100 is introduced here. It should be understood that: Figure 4 The electronic device 100 shown is only an example. In a specific implementation, the electronic device 100 may have more or fewer components than those shown in the figure, may combine two or more components, or may have a different component configuration. Figure 4 The various components shown in the drawings may be implemented in hardware, software, or a combination of hardware and software, including one or more signal processing and / or application specific integrated circuits.

[0135] In addition, it should be understood that the hardware components of the electronic device also need to run an operating system, such as a Windows system, an Android system, or an iOS system, etc. Moreover, on the operating system, applications can also be installed and run, and different services can be implemented through different applications.

[0136] In addition, it should be understood that no matter which operating system is used, a layered architecture, an event-driven architecture, a micro-kernel architecture, a micro-service architecture, or a cloud architecture can be used. For ease of explanation, the present application embodiment takes the Android system with a layered architecture as an example to illustrate an electronic device such as Figure 4 The software structure of the electronic device 100 is shown.

[0137] See also Figure 5 , which is a software structure block diagram of the electronic device 100 according to an embodiment of the present application.

[0138] like Figure 5 As shown, the layered architecture of the electronic device 100 divides the software into several layers, each with clear roles and division of labor. The layers communicate with each other through software interfaces. In some implementations, the Android system is divided into five layers, from top to bottom, the application layer / application layer (Applications) belonging to the application part, the framework layer / application framework layer (Application Framework, FWK) belonging to the core part, the runtime (Runtime) and the system library belonging to the bottom layer, the hardware abstraction layer (HAL) and the Linux kernel (Linux Kernel) layer.

[0139] The application layer can include a series of application packages. Figure 5 As shown, the application package may include camera, game, video, live broadcast and other applications, which are not listed here one by one and are not limited in this application.

[0140] The framework layer can provide application programming interfaces (APIs) and programming frameworks for applications in the application layer. In some implementations, these programming interfaces and programming frameworks can be described as functions. Figure 5 As shown, the framework layer may include functions such as a content provider, a window manager, a scene recognition module, and a transmission power adjustment module, which are not listed here one by one and are not limited in this application.

[0141] Specifically, in the technical solution provided by the present application, the scene recognition module is used to identify the business scene of the current operation. The transmission power adjustment module selects a transmission power adjustment scheme suitable for the current business scene according to the business scene identified by the scene recognition module, and adjusts the transmission power.

[0142] For specific details about the method for adjusting the transmit power provided in the present application implemented by the scene recognition module and the transmit power adjustment module, please refer to the description of the method for adjusting the transmit power implemented on the AP side in the following embodiments, which will not be repeated here.

[0143] In addition, in practical applications, the above-mentioned functional modules may also be represented as services or frameworks, such as a memory recycling control service or a memory recycling control framework, etc., which is not limited in this embodiment.

[0144] In addition, it should be noted that the window manager located in the framework layer is used to manage window programs. The window manager can obtain the size of the display screen, determine whether there is a status bar, lock the screen, capture the screen, etc.

[0145] In addition, it should be noted that the content provider located in the framework layer is used to store and obtain data and make the data accessible to the application. The data may include video, images, audio, dialed and received calls, browsing history and bookmarks, phone book, etc., which are not listed here one by one and are not limited by this application.

[0146] Continue to see Figure 5 , exemplarily, the runtime, specifically the Android runtime (Android Runtime) may include a core library and a virtual machine, which is mainly responsible for the scheduling and management of the Android system.

[0147] The core library consists of two parts: one is the function that the Java language needs to call, and the other is the Android core library. The application layer and the framework layer run in the virtual machine. The virtual machine executes the Java files of the application layer and the framework layer as binary files. The virtual machine is used to perform object life cycle management, stack management, thread management, security and exception management, and garbage collection.

[0148] Continue to see Figure 5 Exemplarily, the system library may include multiple functional modules, such as a surface manager, a media library, a three-dimensional (3D) graphics processing library (such as OpenGL ES), a two-dimensional (2D) graphics engine (such as SGL), etc.

[0149] The surface manager is used to manage the display subsystem and provide fusion of 2D and 3D layers for multiple applications. The media library supports multiple commonly used audio and video format playback and recording, as well as static image files. The media library can support multiple audio and video encoding formats, such as: MPEG4, H.264, MP3, AAC, AMR, JPG, PnG, etc. The 3D graphics processing library is used to implement 3D graphics drawing, image rendering, synthesis, and layer processing.

[0150] In addition, it can be understood that the 2D graphics engine mentioned above is a drawing engine for 2D drawing.

[0151] Continue to see Figure 5For example, the HAL layer is an interface layer between the operating system kernel (kernel layer) and the hardware circuit. Its purpose is to isolate the FWK from the kernel so that Android does not rely too much on the kernel, so that the development of FWK can be carried out without considering the driver.

[0152] Continue to see Figure 5 For example, the HAL layer may include various interfaces, such as audio and video interface, GPS interface, call interface, WiFi interface, etc., which are not listed here one by one and are not limited in this application.

[0153] Continue to see Figure 5 , exemplary, the kernel layer in the Android system is a layer between hardware and software. The kernel layer may include various processes / threads, power management, various drivers, etc.

[0154] The software structure of the electronic device 100 is introduced here. It can be understood that: Figure 5 The layers in the software structure shown and the components included in each layer do not constitute a specific limitation on the electronic device 100. In other embodiments of the present application, the electronic device 100 may include more or fewer layers than shown, and each layer may include more or fewer components, which is not limited in the present application.

[0155] Based on the above hardware structure and software structure, the transmission power adjustment method provided in this application is specifically described below in combination with specific embodiments.

[0156] Before explaining the transmission power adjustment method provided in the present application, it is stated that in the technical solution provided in the present application, the transmission power is adjusted by the transmission power adjustment module in the AP, and the operation of transmitting signals in the channel according to the adjusted transmission power is transmitted by the Modem through antenna 1.

[0157] See also Figure 6 , exemplarily showing a method for adjusting the transmit power implemented on the AP side, specifically including steps 101 to 108. Among them, step 101 is composed of Figure 5 The scene recognition module shown in FIG. 1 is implemented, and steps 102 to 105 and step 107 are implemented by Figure 5 The transmit power adjustment module shown in is implemented, and step 106 and step 108 are implemented by the Modem.

[0158] 101, identifying whether the current service is the first service or the second service.

[0159] Exemplarily, this embodiment takes a 5G communication network as an example. Understandably, in a 5G communication network, there are three core application scenarios, namely eMBB, uRLLC, and mMTC. In order to meet these three types of 5G application scenarios, the 5G wireless network can be divided into eMBB network slices, uRLLC network slices, and mMTC network slices to realize the processing of data flows of different services.

[0160] The so-called eMBB, or enhanced mobile broadband, has the characteristics of greater network throughput, peak rate and low latency. In actual applications, it is mainly aimed at gaming, video and other services.

[0161] The so-called uRLLC, namely Ultra-reliable and Low Latency Communication, is responsible for the high reliability and ultra-low latency of the network, that is, the network characteristics of high reliability and ultra-low latency. In actual applications, it is mainly aimed at audio and video calls / conferences, voice calls and other services.

[0162] The so-called mMTC, namely Massive Machine Type Communication, has a huge number of connections to support the network characteristics of massive IoT devices. In practical applications, it is mainly aimed at IoT (Internet of Things, IoT) devices.

[0163] In addition, it should be understood that the IoT devices mentioned above can be, for example, smart speakers, refrigerators, air conditioners, televisions and other smart devices that can access the 5G wireless network.

[0164] Based on the above description of the three core application scenarios, specifically in this embodiment, the first service is specifically a service in the above eMBB and / or uRLLC scenario. The second service is a service in the mMTC scenario.

[0165] Exemplarily, in some possible implementations, the first service is, for example, a voice call service, an audio and video call / conference service, a live broadcast service, a game service, etc. The second service is, for example, a smart home control service.

[0166] Regarding the identification of the first service and the second service, in some possible implementations, for example, the data stream currently generated by the electronic device can be obtained. Then, the service of the data stream is identified to determine which application the data stream comes from. Then, after determining the application providing the data stream, the network characteristics of the service corresponding to the application can be determined based on the attributes of the application. Finally, by judging the network characteristics of the service, it can be determined whether the current service is the first service or the second service.

[0167] Through the above description of the network characteristics of the three core applications of eMBB, uRLLC, and mMTC, it can be known that when the first service is a service in the eMBB and / or uRLLC scenario, and the second service is a service in the mMTC scenario, the network characteristics that the first service focuses on and the network characteristics that the second service focuses on are different. Specifically, the first service focuses on the network characteristics of eMBB and / or uRLLC, and the second service focuses on the network characteristics of mMTC. Based on this, after determining the network characteristics that the service corresponding to the application focuses on according to the attributes of the application that provides the data stream, by determining whether the network characteristics that the current service focuses on meet the network characteristics of eMBB and / or uRLLC, or meet the network characteristics of mMTC, it is possible to quickly determine whether the current service is the first service or the second service.

[0168] Exemplarily, when the network characteristics concerned by the current service meet the network characteristics of eMBB and / or uRLLC, the current service is determined to be the first service.

[0169] Exemplarily, when the network characteristics concerned by the current service meet the network characteristics of mMTC, the current service is determined to be the second service.

[0170] It should be understood that the above description is merely an example listed for a better understanding of the technical solution of this embodiment, and is not intended to be the sole limitation to this embodiment.

[0171] In addition, it should be noted that the classification of service types can be carried out according to actual service requirements in practical applications, and this embodiment does not impose any limitation on this.

[0172] In addition, it should be noted that, specifically in this embodiment, a transmission power adjustment method (hereinafter referred to as adjustment method 1) is adopted for the first service, as shown in steps 102 to 105; another transmission power adjustment method (hereinafter referred to as adjustment method 2) is adopted for the second service, as shown in step 107, that is, Figure 2A and Figure 2B The illustrated embodiments describe a method of limiting the peak value of the transmission power or limiting the transmission power within an average time.

[0173] Based on this, when it is determined that the current service is the first service, step 102 is executed. On the contrary, when it is determined that the current service is the second service, step 108 is executed.

[0174] 102. During the operation of the first service, first channel state information of uplink data transmission of a first channel corresponding to the first service is obtained according to a set period.

[0175] For ease of explanation, in this embodiment, the channel corresponding to the first service is referred to as the first channel, and the channel corresponding to the second service is referred to as the second channel. However, in actual applications, based on different multiplexing methods, such as frequency division multiplexing, time division multiplexing, code division multiplexing, etc., the same channel can send both the transmission signal (RF signal) corresponding to the first service and the transmission signal (RF signal) corresponding to the second service. Therefore, in some possible implementations, the first channel and the second channel can be the same channel. That is, the "first" channel and the "second" channel are only used to distinguish the channels corresponding to different services, and do not constitute a limitation on the channel itself.

[0176] The setting period mentioned above, for example, the transmission period corresponding to the first service, may also be a fixed period set according to service requirements, and this embodiment does not impose any limitation on this.

[0177] In addition, the first channel state information mentioned above is specifically channel information used to measure the first channel status when the first channel transmits uplink data, that is, generally referred to as CSI (Channel State Information).

[0178] Exemplarily, in some possible implementations, the first channel state information may include, for example, information such as communication signal strength and interference signal strength in the first channel.

[0179] It should be understood that the above description is merely an example listed for a better understanding of the technical solution of this embodiment, and is not intended to be the sole limitation to this embodiment.

[0180] 103. Determine, according to the first channel state information, a first transmit power supported by the first channel in a current period.

[0181] Exemplarily, when the first channel state information is the communication signal strength and interference signal strength in the first channel mentioned above, the confirmation of the first transmit power is determined based on the communication signal strength and interference signal strength in the first channel.

[0182] In addition, it should be noted that the first channel state information, as well as the second channel state information and channel state information mentioned later, are all acquired by the Modem in the electronic device and then reported to the transmit power adjustment module measured by the AP.

[0183] 104. Determine a power backoff value of the first channel in a current period according to the first channel state information.

[0184] Exemplarily, in some possible implementations, the uplink scheduling rate of the first channel in the current cycle may be determined based on the first channel state information. Then, the uplink proportion of the first channel in the current cycle may be determined based on the uplink scheduling rate. Finally, the power backoff value of the first channel in the current cycle may be determined based on the uplink proportion.

[0185] The so-called uplink ratio refers to the proportion of the duration of the uplink information transmission resources in a time window when the base station configures transmission resources for electronic devices. A time window contains several units of information transmission time, and the time window can be of any time length. This application does not impose specific restrictions on the duration of the time window.

[0186] In addition, it should be noted that when the base station configures transmission resources for the electronic device, it can configure transmission resources for uplink information (uplink data / content) and transmission resources for downlink information.

[0187] For example, an uplink proportion of 100% means that within a time window, 100% of the time domain resources are configured as transmission resources for uplink information. For another example, an uplink proportion of 50% means that within a time window, 50% of the time domain resources are configured as transmission resources for uplink information.

[0188] In addition, it should be noted that the unit information transmission time may be different in different communication systems. For example, in the long term evolution (LTE) communication system, the unit information transmission time may be a subframe. In the new radio access method (NR), such as the 5G communication system, the unit information transmission time may be a slot, a mini-slot, or a symbol.

[0189] In addition, it should be noted that in some possible implementations, when an electronic device communicates and interacts with other electronic devices to achieve data transmission, the uplink ratio refers to the proportion of the transmission time of the electronic device in a time window. For example, an uplink ratio of 100% means that within a time window, 100% of the time domain resources are configured to send information. For another example, an uplink ratio of 50% means that within a time window, 50% of the time domain resources are configured to send information.

[0190] It should be understood that the above description is merely an example listed for a better understanding of the technical solution of this embodiment, and is not intended to be the sole limitation to this embodiment.

[0191] In addition, the power backoff value mentioned above refers to the power value that needs to be backed off based on the maximum transmission power supported by the current channel, such as the first channel, that is, the first transmission power mentioned above.

[0192] 105. Determine a first target transmit power according to the first transmit power, the power backoff value, and the transmit power limit value.

[0193] Exemplarily, the transmission power limit value in this embodiment is specifically determined according to the electromagnetic wave absorption ratio limit value of the area where the electronic device is currently located, that is, the SAR limit value mentioned in the above embodiment.

[0194] Specifically in this embodiment, in order to ensure that the user can be in a safe electromagnetic radiation range and to ensure the communication quality, thereby protecting the user experience, when determining the first target transmit power according to the first transmit power, the power backoff value and the transmit power limit value, the magnitude relationship between the first transmit power and the transmit power limit value is first determined, and then a decision is made as to whether to backoff the determined power backoff value based on the first transmit power.

[0195] Specifically, when the first transmit power is greater than the transmit power limit value, the transmit power adjustment module may control the first transmit power to back off the power back-off value determined in the above manner, thereby obtaining the first target transmit power.

[0196] It should be noted that the first target transmit power obtained after backing off the power back-off value on the basis of the first transmit power is less than the transmit power limit value, thereby ensuring that the user can be within a safe electromagnetic radiation range.

[0197] In addition, in the process of controlling the first transmit power, backing off the power backoff value mentioned above, and obtaining the first target transmit power, in order to avoid a sudden deterioration of the user experience, a transmit power adjustment step size smaller than the power backoff value can be determined according to the power backoff value. Then, according to the transmit power adjustment step size with a small step size, the first transmit power is controlled to be gradually backed off in the current cycle until the power backoff value is backed off, so that the first target transmit power can be obtained.

[0198] Exemplarily, in some possible implementations, the small-step transmission power adjustment step is determined, for example, according to the power backoff value and the duration of the current cycle, that is, the transmission power adjustment step is the power mean value corresponding to a unit time.

[0199] For example, compared to Figure 2A , Figure 7In the example, the first transmit power is adjusted in adjustment mode 1, and the transmit power can be gradually stepped back from 15 to 10 in a period from "08:30.3" to "09:04.9" with a step size of 1 power each time. In this way, when the transmit power is adjusted based on the transmit power adjustment step size, the transmit power can be uniformly reduced, making the user experience process smoother.

[0200] In addition, it should be noted that in some other possible implementations, when the first transmit power is not greater than the transmit power limit value, the first transmit power can be directly used as the first target transmit power. That is, the first transmit power supported by the first channel in the current period is not adjusted, and the signal can be directly transmitted at the maximum transmit power (first transmit power) supported by the first channel in the current period.

[0201] Therefore, when the first transmit power is not greater than the transmit power limit value, even if the power backoff value is determined according to the first channel state information, the first transmit power may not be adjusted, but the signal may be directly transmitted at the first transmit power. In this way, while ensuring that the user is in a safe electromagnetic radiation range, the electronic device can currently have a higher transmit power, thereby ensuring the communication quality and further ensuring the user experience.

[0202] 106. In a current cycle, transmit a signal in a first channel at a first target transmit power.

[0203] Specifically, after the transmit power adjustment module in the AP adjusts the first transmit power according to adjustment mode 1 and obtains the first target transmit power, it notifies the Modem to transmit signals in the first channel at the first target transmit power in the current cycle.

[0204] 107. During the operation of the second service, the second transmission power of the second channel corresponding to the second service is adjusted by limiting the transmission power peak value or limiting the transmission power within an average time.

[0205] Through the above Figure 2A and Figure 2B It can be seen from the description part of the illustrated embodiment that when the second transmit power of the second channel corresponding to the second service is adjusted by limiting the transmit power peak value or limiting the transmit power within the average time, the second transmit power is specifically directly reduced to a preset transmit power peak value that is lower than the transmit power limit value, that is, the second transmit power is adjusted to the set transmit power peak value or the corresponding transmit power within the set average time in a one-step adjustment manner, and the set transmit power peak value and the corresponding transmit power within the average time are both less than the transmit power limit.

[0206] It should be noted that, regarding the transmit power peak value, for example, it is obtained after backing off the corresponding power backoff value based on the currently supported transmit power. That is, for this method, the relationship between the second transmit power currently supported by the second channel and the transmit power limit value is not considered. Regardless of whether the second transmit power is greater than the transmit power limit value or not greater than the transmit power limit value, the second transmit power is backed off to the determined power backoff value in a one-step adjustment manner based on the second transmit power.

[0207] For details on the implementation of adjusting the second transmit power of the second channel corresponding to the second service by limiting the transmit power peak value or limiting the transmit power within the average time, the part not shown in this embodiment can be referred to. Figure 2A and Figure 2B The description of the illustrated embodiment will not be repeated here.

[0208] 108. Transmit a signal on the second channel according to the adjusted second transmission power.

[0209] Therefore, by identifying whether the current service scenario is the first service of enhanced mobile bandwidth and / or high-reliability and low-latency communication, and then when it is determined that the current service is the first service, the first transmission power of the first channel corresponding to the first service in the current cycle and the power backoff value corresponding to the first channel in the cycle are periodically evaluated during the entire operation process of the first service, and then the first transmission power is dynamically adjusted according to the first transmission power, the power backoff value, and the transmission power limit value corresponding to the current area of ​​the electronic device to obtain the first target transmission power suitable for the cycle, and finally the signal is transmitted in the first channel with the first target transmission power, so that the entire operation process of the first service can not only transmit signals with appropriate transmission power to ensure communication quality, but also ensure that users are in a safe electromagnetic radiation range.

[0210] See also Figure 8 , exemplarily illustrates a method for adjusting the transmit power by cooperation between the AP side and the Modem side, specifically including: Figure 6 Steps 101 to 208 in the embodiment and steps 201 to 206 implemented in a modem.

[0211] 101, identifying whether the current service is the first service or the second service.

[0212] 102. During the operation of the first service, first channel state information of uplink data transmission of a first channel corresponding to the first service is obtained according to a set period.

[0213] 103. Determine, according to the first channel state information, a first transmit power supported by the first channel in a current period.

[0214] 104. Determine a power backoff value of the first channel in a current period according to the first channel state information.

[0215] 105. Determine a first target transmit power according to the first transmit power, the power backoff value, and the transmit power limit value.

[0216] For details on the implementation of steps 101 to 105, see Figure 6 The description in the embodiments will not be repeated here.

[0217] 201, whether the first channel is PRACH, and the RRC state of PRACH is service state.

[0218] The so-called PRACH (Physical Random Access Channel) is the access channel used by an electronic device when it first initiates a call. After receiving a Fast Physical Access Channel (FPACH) response message, the electronic device will send a Radio Resource Control Connection Request (RRC Connection Request) message on the PRACH channel according to the information indicated by the base station to complete the RRC connection establishment operation.

[0219] In addition, it should be noted that in the NR communication system, RRC has three states, namely IDLE (idle state), INACTIVE (inactive state), and ACTIVE / CONNECTED (service state).

[0220] Among them, when PRACH is in IDLE, the RRC link between the electronic device and the wireless network is released. Therefore, the first target transmission power obtained by adjusting the above adjustment method 1 and transmitting signals in this channel will not affect the business. When PRACH is in INACTIVE, the RRC link between the electronic device and the wireless network is suspended / terminated. Therefore, the first target transmission power obtained by adjusting the above adjustment method 1 and transmitting signals in this channel will not affect the business. However, when PRACH is in ACTIVE / CONNECTED, the RRC link between the electronic device and the wireless network is available. Therefore, in this case, when PRACH is used as the resident channel of the electronic device, the transmission power of the channel cannot be limited.

[0221] Based on this, when the first channel is PRACH and the RRC state of PRACH is the service state, step 206 will be executed; otherwise, step 202 can be executed to continue to determine whether the first service is an important service, that is, a service whose transmission power cannot be reduced.

[0222] 202: Whether the transmission signal corresponding to the first service is an SRS.

[0223] The so-called SRS, or Sounding Reference Signal, is an uplink reference signal sent by an electronic device to record, which reflects the quality of the channel. Specifically, the SRS sent by the antenna in turn will affect the modulation and coding scheme (MCS) and multiple in multiple out (MIMO) weights of the uplink resources, as well as the MCS and MIMO weights of the downlink resources. The transmission rate is achieved based on the index value of the MCS. Therefore, MCS uses the factors that affect the communication rate as columns of the table and the MCS index as rows to form a rate table. Therefore, each MCS index actually corresponds to a physical transmission rate under a set of parameters.

[0224] In addition, it should be noted that the SRS involved in the carrier switching (CS) and antenna switching (AS) processes are likely to be reused, so if the maximum transmission power of the SRS is also limited, the downlink rate will also be affected. That is, limiting the output power (transmission power) of the SRS will cause the reciprocity of the channel to be destroyed, that is, the output power does not match the corresponding receiving capacity. In addition, limiting the output power of the SRS reduces the signal-to-noise ratio of the channel where the base station receives the SRS, which will affect the performance of the downlink beamforming. For users, the download speed will be affected.

[0225] Therefore, when the transmission signal corresponding to the first service is SRS, or when SRS exists in the first channel, the transmission power of the first channel will not be limited, and the signal can be directly transmitted with the maximum transmission power supported by the first channel in the current period, that is, the first transmission power, that is, the operation of step 206 is performed. Otherwise, step 203 can be performed to continue to determine whether there are other signals with set transmission power that cannot be limited in the current channel.

[0226] 203: Whether the first channel is PUCCH and there is an SR signal in the PUCCH.

[0227] Specifically, if the first channel is PUCCH and there is an SR signal in the PUCCH, step 206 is executed; otherwise, step 204 is executed.

[0228] 204, whether there is a HARQ signal in the PUCCH.

[0229] Specifically, if the first channel is PUCCH and there is an SR signal in the PUCCH, execute step 206; otherwise, execute step 205.

[0230] 205. Whether there is second channel state information in the PUCCH.

[0231] Specifically, if the first channel is PUCCH and there is an SR signal in the PUCCH, execute step 206; otherwise, execute step 106.

[0232] Specifically, if the first channel is PUCCH and there is an SR signal in the PUCCH, step 206 is executed; otherwise, step 204 is executed.

[0233] It should be noted that for downlink data transmitted in PUCCH (Physical Uplink Control Channel), when it transmits a scheduling request (SR) signal, a hybrid automatic repeat request (HARQ) signal, the second channel state information used to measure the first channel condition when the first channel transmits downlink data, an ACK signal, and a NACK signal, if the public transmission of PUCCH is restricted, it will affect the uplink and downlink resource scheduling and the retransmission of downlink data.

[0234] The ACK (Acknowledgement) signal is a positive feedback, which is a response signal made by the receiver when it replies to the sender after receiving the data. Specifically in this embodiment, for example, it is a response signal made by the base station to the electronic device.

[0235] NACK (Negative Acknowledgement) is a negative feedback, and the receiver notifies the sender only when it does not receive data. Specifically in this embodiment, for example, it is a response signal made by the base station to the electronic device when the base station does not receive the data sent by the electronic device.

[0236] Among them, the second channel state information CSI used to measure the first channel condition when the first channel transmits downlink data may include channel quality indicator (Channel Quality Indicator, CQI), rank indication (rank indication, RI), precoding matrix indication (Precoding Matrix Indicator, PMI), RS resource indicator (CRI) and other information.

[0237] It should be understood that the above description is merely an example listed for a better understanding of the technical solution of this embodiment, and is not intended to be the sole limitation to this embodiment.

[0238] Therefore, for a scenario containing any of the above signals, the transmit power of the first channel will not be limited, and the signal can be directly transmitted with the maximum transmit power supported by the first channel in the current period, that is, the first transmit power, that is, the operation of step 206 is performed.

[0239] Otherwise, when it is determined that the first channel does not include any of the above signals, step 106 may be executed.

[0240] 106. In a current cycle, transmit a signal in a first channel at a first target transmit power.

[0241] For details on the implementation of step 106, see Figure 6 The description in the embodiments will not be repeated here.

[0242] 206. In the current cycle, transmit a signal in the first channel with the first transmission power.

[0243] 107. During the operation of the second service, the second transmission power of the second channel corresponding to the second service is adjusted by limiting the transmission power peak value or limiting the transmission power within an average time.

[0244] 108. Transmit a signal on the second channel according to the adjusted second transmission power.

[0245] For details on the implementation of steps 107 and 108, see Figure 6 The description in the embodiments will not be repeated here.

[0246] Therefore, before transmitting a signal at the first target transmission power, by further judging whether the first channel is in a specific state or an important channel containing a specific signal, such as PRACH, PUCCH, etc., and then determining that the first channel is not a specific important channel, the signal is transmitted in the first channel at the first target transmission power in the current cycle, thereby avoiding the transmission power of these important channels from being adjusted, thereby ensuring that the services of the important channels can proceed normally. When the first channel is a specific important channel, information is directly transmitted at the first transmission power currently supported by the first channel, thereby ensuring that the services corresponding to the channel proceed normally.

[0247] See also Fig. 9, exemplarily shows a method for adjusting the transmit power implemented by the cooperation of the AP side and the Modem side, specifically including steps 301 to 311. Among them, steps 301 to 304 are implemented by the transmit power adjustment module on the AP side, and steps 305 to 311 are implemented in the Modem.

[0248] Specifically in this embodiment, when adjusting the transmission power, regardless of the specific type of the current service, it is uniformly processed according to the adjustment method 1 mentioned above. Therefore, for the specific implementation details not shown in this embodiment, refer to the above embodiment, and will not be repeated here. Specifically, the specific implementation details of steps 301 to 304 in this embodiment can refer to steps 102 to 105 in the above embodiment; the specific implementation details of steps 305 to 309 can refer to steps 201 to 205 in the above embodiment; the specific implementation details of step 310 can refer to step 106 in the above embodiment; the specific implementation details of step 311 can refer to step 206 in the above embodiment.

[0249] 301 , when an electronic device is executing a service, channel state information of uplink data transmission of a channel corresponding to a service currently executed by the electronic device is obtained according to a set period.

[0250] 302. Determine the transmit power supported by the channel in the current period according to the channel state information.

[0251] 303: Determine a power backoff value of the channel in the current period according to the channel state information.

[0252] 304. Adjust the transmit power according to the transmit power, the power backoff value, and the transmit power limit value.

[0253] 305: Whether the channel is PRACH, and the RRC state of PRACH is service state.

[0254] 306: Whether the transmission signal corresponding to the service is SRS.

[0255] 307, whether the channel is PUCCH and there is an SR signal in the PUCCH.

[0256] 308, whether there is a HARQ signal in the PUCCH.

[0257] 309, whether there is channel state information in the PUCCH for measuring the transmission of downlink data.

[0258] 310 , in the current cycle, transmit a signal in the channel with the transmit power adjusted in step 304 .

[0259] 311 , in the current cycle, transmit a signal in the channel with the transmit power determined in step 302 .

[0260] Therefore, regardless of the specific type of service currently executed by the electronic device, during the entire operation process of the current service, the transmission power of the channel corresponding to the service in the current period and the power backoff value corresponding to the channel in the period are periodically evaluated, and then the transmission power is dynamically adjusted according to the transmission power, the power backoff value, and the transmission power limit value corresponding to the current area of ​​the electronic device, thereby realizing dynamic adjustment of all services that can be executed by the electronic device.

[0261] In addition, before transmitting signals in the channel according to the adjusted transmit power, it is further determined whether the channel is a PRACH in service state, and whether it is a channel that does not transmit SR signals, HARQ signals, and channel state information used to measure downlink data transmission. Only when it is determined that the above judgments are met, the signal is transmitted in the channel according to the adjusted transmit power, otherwise the signal is directly transmitted in the channel with the transmit power supported by the current channel, that is, the transmit power is not adjusted. In this way, it is ensured that users are in a safe electromagnetic radiation range, and the transmit power requirements of the most important channels are taken into account, ensuring the communication quality of important channels.

[0262] In addition, it is understandable that, in order to implement the above functions, the electronic device includes hardware and / or software modules corresponding to the execution of each function. In combination with the algorithm steps of each example described in the embodiments disclosed herein, the present application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a function is executed in the form of hardware or computer software driving hardware depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application in combination with the embodiments, but such implementation should not be considered to be beyond the scope of the present application.

[0263] In addition, it should be noted that the transmit power adjustment method provided in the above embodiments implemented by the electronic device in the actual application scenario can also be performed by a chip system included in the electronic device, wherein the chip system may include a processor. The chip system can be coupled to the memory so that the chip system calls the computer program stored in the memory when it is running to implement the steps performed by the above electronic device. The processor in the chip system can be an application processor or a processor other than an application processor.

[0264] In addition, an embodiment of the present application also provides a computer-readable storage medium, which stores computer instructions. When the computer instructions are executed on an electronic device, the electronic device executes the above-mentioned related method steps to implement the method for adjusting the transmission power in the above-mentioned embodiment.

[0265] In addition, an embodiment of the present application further provides a computer program product. When the computer program product is run on an electronic device, the electronic device executes the above-mentioned related steps to implement the method for adjusting the transmission power in the above-mentioned embodiment.

[0266] In addition, an embodiment of the present application also provides a chip (which may also be a component or module), which may include one or more processing circuits and one or more transceiver pins; wherein the transceiver pins and the processing circuit communicate with each other through an internal connection path, and the processing circuit executes the above-mentioned related method steps to implement the transmission power adjustment method in the above-mentioned embodiment, so as to control the receiving pin to receive the signal, so as to control the transmitting pin to send the signal.

[0267] In addition, it can be seen from the above description that the electronic device, computer-readable storage medium, computer program product or chip provided in the embodiments of the present application are all used to execute the corresponding methods provided above. Therefore, the beneficial effects that can be achieved can refer to the beneficial effects in the corresponding methods provided above, and will not be repeated here.

[0268] As described above, the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A method for adjusting transmission power, characterized in that: Used in electronic equipment, including: Identify that a current service is a first service, where the first service is an enhanced mobile broadband and / or a high-reliability and low-latency communication service; During the operation of the first service, first channel state information of uplink data transmission of a first channel corresponding to the first service is obtained according to a set period; Determining, according to the first channel state information, a first transmit power supported by the first channel in a current period; Determining a power backoff value of the first channel in a current period according to the first channel state information; Determine a first target transmit power according to the first transmit power, the power backoff value and a transmit power limit value, wherein the transmit power limit value is determined according to an electromagnetic wave absorption ratio limit value of an area where the electronic device is located; In a current period, a signal is transmitted in the first channel at the first target transmission power.

2. The method according to claim 1, characterized in that The determining, according to the first channel state information, a power backoff value of the first channel in a current period includes: Determining an uplink scheduling rate of the first channel in a current period according to the first channel state information; Determining, according to the uplink scheduling rate, an uplink proportion of the first channel in a current period; A power backoff value of the first channel in a current period is determined according to the uplink proportion.

3. The method according to claim 1, characterized in that The determining a first target transmit power according to the first transmit power, the power backoff value, and the transmit power limit value includes: When the first transmit power is greater than the transmit power limit value, controlling the first transmit power, backing off the power backoff value, and obtaining the first target transmit power; The first target transmit power is less than the transmit power limit value.

4. The method according to claim 3, characterized in that The controlling the first transmit power, backing off the power backoff value, and obtaining the first target transmit power includes: Determine a transmit power adjustment step size corresponding to a current period according to the power backoff value, wherein the transmit power adjustment step size is smaller than the power backoff value; According to the transmit power adjustment step, in the current cycle, controlling the first transmit power to be gradually backed off until the power back-off value is backed off; The first transmit power after backing off the power backoff value is used as the first target transmit power.

5. The method according to claim 4, characterized in that The determining, according to the power backoff value, a transmit power adjustment step size corresponding to the current period includes: The transmit power adjustment step size is determined according to the power backoff value and the duration of the current cycle.

6. The method according to claim 3, characterized in that The determining a first target transmit power according to the first transmit power, the power backoff value and the transmit power limit value further includes: When the first transmit power is not greater than the transmit power limit value, the first transmit power is used as the first target transmit power.

7. The method according to claim 1, characterized in that The identifying the current service as the first service includes: Acquire a data stream currently generated by the electronic device; Performing business identification on the data flow to determine the application providing the data flow; Determining network characteristics of concern to a business corresponding to the application according to the attributes of the application; When the network characteristics concerned by the service meet the network characteristics of the enhanced mobile broadband and / or the high-reliability and low-latency communication, the current service is determined to be the first service.

8. The method according to any one of claims 1 to 7, characterized in that: The method further comprises: Identify that the current service is a second service, and the network characteristics concerned by the second service are different from the network characteristics concerned by the first service; During the operation of the second service, adjusting the second transmit power of the second channel corresponding to the second service by limiting the transmit power peak value or limiting the transmit power within an average time; A signal is transmitted on the second channel according to the adjusted second transmission power.

9. The method according to claim 8, characterized in that The adjusting the second transmit power of the second channel corresponding to the second service includes: The second transmit power is adjusted to a set transmit power peak value or a corresponding transmit power within a set average time in a one-step adjustment manner, and the set transmit power peak value and the transmit power corresponding to the average time are both less than the transmit power limit.

10. The method according to any one of claims 1 to 7, characterized in that: Before transmitting a signal in the first channel at the first target transmit power in the current cycle, the method further includes: Determining whether the first channel is a physical random access channel PRACH whose radio resource control state is a service state; When the first channel is not the PRACH of the service state, determining whether a transmission signal corresponding to the first service is a channel sounding reference signal SRS; When the transmission signal corresponding to the first service is not an SRS, determining whether the first channel is a physical uplink control channel PUCCH; When the first channel is a PUCCH, determining whether there is a scheduling request SR signal in the PUCCH; When there is no SR signal in the PUCCH, determining whether there is a hybrid automatic repeat request HARQ signal in the PUCCH; When there is no HARQ signal in the PUCCH, determining whether there is second channel state information in the PUCCH for measuring transmission of downlink data; When the second channel state information is not included in the PUCCH, the step of transmitting a signal in the first channel at the first target transmit power in the current period is performed.

11. The method according to claim 10, characterized in that The method further comprises: When the first channel is the PRACH in the traffic state, a signal is transmitted in the first channel at the first transmission power in a current period.

12. The method according to claim 10, characterized in that The method further comprises: When the transmission signal corresponding to the first service is SRS, the signal is transmitted in the first channel at the first transmission power in the current period.

13. The method according to claim 10, characterized in that The method further comprises: When there is an SR signal in the PUCCH, a signal is transmitted in the first channel at the first transmission power in a current period.

14. The method according to claim 10, characterized in that The method further comprises: When there is a HARQ signal in the PUCCH, a signal is transmitted in the first channel at the first transmission power in a current period.

15. The method according to claim 10, characterized in that The method further comprises: When the second channel state information is present in the PUCCH, a signal is transmitted in the first channel at the first transmit power in a current period.

16. A method for adjusting transmission power, characterized in that: Used in electronic equipment, including: During the process of the electronic device executing a service, acquiring, according to a set period, channel state information of uplink data transmitted on a channel corresponding to the service currently executed by the electronic device; Determining, according to the channel state information, a transmit power supported by the channel in a current period; Determining a power backoff value of the channel in a current period according to the channel state information; adjusting the transmit power according to the transmit power, the power backoff value and the transmit power limit value, wherein the transmit power limit value is determined according to the electromagnetic wave absorption ratio limit value of the area where the electronic device is located; Determining whether the channel is a physical random access channel PRACH whose radio resource control state is a service state; When the channel is not the PRACH in the service state, determining whether the transmission signal corresponding to the service is a channel sounding reference signal SRS; When the transmission signal corresponding to the service is not an SRS, determining whether the channel is a physical uplink control channel PUCCH; When the channel is a PUCCH, determining whether there is a scheduling request SR signal in the PUCCH; When there is no SR signal in the PUCCH, determining whether there is a hybrid automatic repeat request HARQ signal in the PUCCH; When there is no HARQ signal in the PUCCH, determining whether there is channel state information in the PUCCH for measuring transmission of downlink data; When there is no channel state information for measuring downlink data transmission in the PUCCH, transmitting a signal in the channel with the adjusted transmit power in a current period; Otherwise, in the current period, directly transmit the signal in the channel with the transmit power supported by the channel in the current period.

17. An electronic device, characterized in that: The electronic device includes: a memory and a processor, the memory and the processor are coupled; the memory stores program instructions, and when the program instructions are executed by the processor, the electronic device executes the transmission power adjustment method as described in any one of claims 1 to 15, or the transmission power adjustment method as described in claim 16.

18. A chip system, characterized in that: The chip system includes a processor, which is used to support the electronic device to implement the transmission power adjustment method as described in any one of claims 1 to 15, or the transmission power adjustment method as described in claim 16.

19. The chip system according to claim 18, characterized in that: The processor includes an application processor and a modem.

20. A computer-readable storage medium, characterized in that: It comprises a computer program, which, when executed on an electronic device, enables the electronic device to execute the method for adjusting the transmission power as described in any one of claims 1 to 15, or the method for adjusting the transmission power as described in claim 16.

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