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CN-122002490-A - Power control method, device and equipment

CN122002490ACN 122002490 ACN122002490 ACN 122002490ACN-122002490-A

Abstract

The embodiment of the application provides a power control method, a device and equipment, which are applied to the technical field of communication. The method comprises the steps of determining initial transmitting power corresponding to a signaling under a target scene parameter, wherein the signaling is used for communication between terminal equipment and network equipment, calibrating the initial transmitting power according to the target scene parameter under the condition that the initial transmitting power is larger than or equal to a power threshold value, obtaining target transmitting power for transmitting the signaling based on a mapping relation, wherein the mapping relation is used for indicating a plurality of scene parameters and power deviation values between transmitting power output by a power amplifier of the terminal equipment and calibrated transmitting power of a radio frequency device of the terminal equipment under each scene parameter, the radio frequency device comprises the power amplifier, determining a power control parameter corresponding to the target transmitting power, and controlling the power amplifier of the terminal equipment to output the target transmitting power based on the power control parameter. The method is beneficial to guaranteeing the power control precision of the terminal equipment in a high-power scene.

Inventors

  • WU WEIJUN

Assignees

  • 展讯通信（上海）有限公司

Dates

Publication Date
20260508
Application Date
20260121

Claims (10)

  1. 1. A method of power control, comprising: Determining initial transmitting power corresponding to a signaling under a target scene parameter, wherein the signaling is used for communication between terminal equipment and network equipment, and the target scene parameter comprises at least one of a frequency band, a frequency point or a transmitting path; Under the condition that the initial transmitting power is larger than or equal to a power threshold value, calibrating the initial transmitting power based on a mapping relation according to the target scene parameters to obtain target transmitting power for transmitting the signaling, wherein the mapping relation is used for indicating a plurality of scene parameters and power deviation values between transmitting power output by a power amplifier of the terminal equipment and calibrated transmitting power of a radio frequency device of the terminal equipment under each scene parameter, and the radio frequency device comprises the power amplifier; and determining a power control parameter corresponding to the target transmitting power, and controlling the power amplifier to output the target transmitting power based on the power control parameter.
  2. 2. The method of claim 1, wherein calibrating the initial transmit power based on the mapping relationship to obtain the target transmit power according to the target scene parameter comprises: Determining a target calibration transmitting power corresponding to the target scene parameter according to the mapping relation, and determining the target calibration transmitting power as the target transmitting power, wherein the target calibration transmitting power is the actual output power of the radio frequency device after calibration under the condition that the power amplifier outputs the initial transmitting power, or And determining a power deviation value between the target calibration transmitting power corresponding to the target scene parameter and the initial transmitting power according to the mapping relation, and performing calibration processing on the initial transmitting power according to the power deviation value to obtain the target transmitting power.
  3. 3. The method according to claim 1 or 2, characterized in that the method further comprises: acquiring a plurality of transmitting powers to be calibrated and scene parameters corresponding to the transmitting powers to be calibrated; Determining at least one calibration scene corresponding to each transmission power to be calibrated and scene parameters of each calibration scene according to the corresponding relation among frequency bands, frequency points and transmission paths in the scene parameters corresponding to each transmission power to be calibrated; For any one emission power to be calibrated, if the emission power to be calibrated is greater than or equal to the power threshold, determining a power deviation value of a radio frequency device enabled by the terminal equipment in at least one calibration scene according to a scene parameter corresponding to the emission power to be calibrated in at least one calibration scene under the condition that the emission power to be calibrated is output by the power amplifier; generating the mapping relation according to the plurality of transmitting powers to be calibrated and scene parameters and power deviation values corresponding to the transmitting powers to be calibrated in at least one calibration scene, and writing the mapping relation into a nonvolatile memory of the terminal equipment.
  4. 4. The method of claim 3, wherein determining the power offset value of the radio frequency device enabled by the terminal device in the calibration scenario according to the scenario parameters corresponding to the transmit power to be calibrated in the calibration scenario comprises: Triggering a data reading instruction according to a scene parameter corresponding to the transmission power to be calibrated in the calibration scene, wherein the data reading instruction comprises indication information, the indication information is used for indicating a feedback receiver activated by the terminal equipment in the calibration scene, and the feedback receiver is determined according to the scene parameter corresponding to the transmission power to be calibrated in the calibration scene; And responding to the data reading instruction, acquiring the actual transmitting power of the transmitting power to be calibrated in the calibration scene from a register corresponding to the feedback receiver, and determining the power deviation value of the radio frequency device enabled by the terminal equipment in the calibration scene according to the actual transmitting power and the transmitting power to be calibrated.
  5. 5. The method of claim 4, wherein triggering the data read command according to the corresponding scene parameters of the transmit power to be calibrated in the calibration scene comprises: Enabling a radio frequency device corresponding to the terminal equipment in the calibration scene according to the scene parameters corresponding to the transmission power to be calibrated in the calibration scene; Determining a feedback receiver corresponding to the radio frequency device, configuring acquisition parameters of the feedback receiver, and activating the feedback receiver, wherein the acquisition parameters are used for indicating the feedback receiver to acquire power in a time slot unit; Controlling the power amplifier to output the transmitting power to be calibrated; acquiring the actual output power of the radio frequency device corresponding to the terminal equipment in the calibration scene based on the acquisition parameters through the feedback receiver, and storing the acquired actual output power into a register corresponding to the feedback receiver; And generating the data reading instruction, and triggering the data reading instruction after waiting for a target duration after activating the feedback receiver.
  6. 6. The method according to claim 1 or 2, wherein after controlling the power amplifier to output the target transmit power based on the power control parameter, the method further comprises: acquiring the actual output power of the radio frequency device corresponding to the power amplifier in a first time slot; and under the condition that the difference value between the target transmitting power and the actual output power of the first time slot is larger than a power deviation threshold value, determining the transmitting power of the power amplifier in a second time slot according to the actual output power of the first time slot and the target transmitting power, wherein the time sequence of the first time slot is earlier than the time sequence of the second time slot.
  7. 7. A power control apparatus, comprising: The determining module is used for determining initial transmitting power corresponding to signaling under a target scene parameter, wherein the signaling is used for the communication between the terminal equipment and the network equipment, and the target scene parameter comprises at least one of a frequency band, a frequency point or a transmitting path; The processing module is used for carrying out calibration processing on the initial transmission power based on a mapping relation to obtain target transmission power for transmitting the signaling under the condition that the initial transmission power is determined to be greater than or equal to a power threshold value according to the target scene parameters, wherein the mapping relation is used for indicating a plurality of scene parameters and power deviation values between the transmission power output by a power amplifier of the terminal equipment and the calibration transmission power of a radio frequency device of the terminal equipment under each scene parameter, and the radio frequency device comprises the power amplifier; The determining module is further configured to determine a power control parameter corresponding to the target transmitting power; the processing module is further configured to control the power amplifier to output the target transmit power based on the power control parameter.
  8. 8. A terminal device, comprising: At least one processor, and A memory communicatively coupled to the at least one processor, wherein, The memory stores instructions for execution by the at least one processor to enable the at least one processor to perform the method of any one of claims 1 to 6.
  9. 9. A non-transitory computer readable storage medium storing computer instructions, wherein the computer instructions are executed by a computer to implement the method of any one of claims 1 to 6.
  10. 10. A computer program product comprising a computer program, characterized in that the computer program is executed by a computer to implement the method of any one of claims 1 to 6.

Description

Power control method, device and equipment Technical Field The present application relates to the field of communications technologies, and in particular, to a power control method, apparatus, and device. Background In mobile communication, when a terminal device transmits data in an uplink, the transmitting power needs to be dynamically adjusted according to a network environment so as to ensure that the signal quality meets the communication requirement. For example, the terminal device may be a User Equipment (UE). In the related art, a terminal device may adjust transmit power through a temperature compensation method, a Resource Block (RB) compensation method, or a frequency compensation method, so as to ensure that signal quality meets communication requirements. However, in a high-power scenario, there is a large deviation between the adjusted transmission power obtained by the terminal device based on the above method and the actual transmission power of the terminal device, so that there is a problem of insufficient power control accuracy when the terminal device works in the high-power scenario. Disclosure of Invention The embodiment of the application provides a power control method, a device and equipment, which are used for solving the problem of insufficient power control precision when terminal equipment works in a high-power scene. In a first aspect, an embodiment of the present application provides a power control method, including: Determining initial transmitting power corresponding to a signaling under a target scene parameter, wherein the signaling is used for communication between terminal equipment and network equipment, and the target scene parameter comprises at least one of a frequency band, a frequency point or a transmitting path; Under the condition that the initial transmitting power is determined to be greater than or equal to a power threshold value, calibrating the initial transmitting power based on a mapping relation according to a target scene parameter to obtain the target transmitting power for transmitting signaling, wherein the mapping relation is used for indicating a plurality of scene parameters and power deviation values between the transmitting power output by a power amplifier of the terminal equipment and the calibrated transmitting power of a radio frequency device of the terminal equipment under each scene parameter, and the radio frequency device comprises the power amplifier; And determining a power control parameter corresponding to the target transmitting power, and controlling the power amplifier to output the target transmitting power based on the power control parameter. In one possible implementation manner, according to a target scene parameter, performing calibration processing on the initial transmit power based on a mapping relationship to obtain a target transmit power, including: according to the mapping relation, determining target calibration transmitting power corresponding to the target scene parameter, and determining the target calibration transmitting power as target transmitting power, wherein the target calibration transmitting power is actual output power of the radio frequency device after calibration under the condition that the power amplifier outputs initial transmitting power, or And determining a power deviation value between the target calibration transmitting power corresponding to the target scene parameter and the initial transmitting power according to the mapping relation, and performing calibration processing on the initial transmitting power according to the power deviation value to obtain the target transmitting power. In one possible embodiment, the method further comprises: acquiring a plurality of transmitting powers to be calibrated and scene parameters corresponding to the transmitting powers to be calibrated; Determining at least one calibration scene corresponding to each transmission power to be calibrated and scene parameters of each calibration scene according to the corresponding relation among frequency bands, frequency points and transmission paths in the scene parameters corresponding to each transmission power to be calibrated; For any one of the transmission powers to be calibrated, if the transmission power to be calibrated is greater than or equal to a power threshold value, determining a power deviation value of a radio frequency device enabled by the terminal equipment in at least one calibration scene according to a scene parameter corresponding to the transmission power to be calibrated in at least one calibration scene under the condition that the transmission power to be calibrated is output by the power amplifier; Generating a mapping relation according to a plurality of transmitting powers to be calibrated and scene parameters and power deviation values corresponding to the transmitting powers to be calibrated in at least one calibration scene, and writing the mapping relation into a nonvolatile