阅读说明：本技术 输出功率调整方法及相关产品 (Output power adjusting method and related product ) 是由 唐海 于 2018-02-14 设计创作，主要内容包括：本申请实施例公开了输出功率调整方法及相关产品,包括：终端接收来自网络设备的系统广播消息,确定终端所需的实际发射功率,终端当前处于空闲态；检测到终端所需的实际发射功率大于预设发射功率时,启动功率放大器PA的自校准流程,得到预失真校准文件,预失真校准文件用于确定预失真后的高发射功率。本申请实施例通过终端与网络间的动态交互实现终端发射通路的动态周期性能校准,使得PA预失真可以动态应用到毫米波终端中,提升上行发射功率。(The embodiment of the application discloses an output power adjusting method and a related product, comprising the following steps: the terminal receives a system broadcast message from the network equipment, determines the actual transmitting power required by the terminal, and is in an idle state currently; and when detecting that the actual transmitting power required by the terminal is greater than the preset transmitting power, starting a self-calibration process of a Power Amplifier (PA) to obtain a predistortion calibration file, wherein the predistortion calibration file is used for determining the high transmitting power after predistortion. According to the embodiment of the application, the dynamic period performance calibration of the terminal transmitting path is realized through the dynamic interaction between the terminal and the network, so that the PA predistortion can be dynamically applied to the millimeter wave terminal, and the uplink transmitting power is improved.)

An output power adjustment method applied to a terminal, the method comprising:

receiving a system broadcast message from network equipment, and determining the actual transmitting power required by the terminal, wherein the terminal is in an idle state currently;

and when detecting that the actual transmitting power required by the terminal is greater than the preset transmitting power, starting a self-calibration process of a Power Amplifier (PA) to obtain a predistortion calibration file, wherein the predistortion calibration file is used for determining the high transmitting power after predistortion.

The method of claim 1, wherein the starting a self-calibration procedure of a Power Amplifier (PA) to obtain a pre-distortion calibration file comprises:

recording the output power amplitude and the output power phase of the PA in the process of controlling the input power of the PA to gradually increase to the target maximum transmitting power according to a preset step length to obtain a first corresponding relation and a second corresponding relation, wherein the first corresponding relation is the change relation of the output power amplitude along with the input power amplitude, and the second corresponding relation is the change relation of the output power phase along with the input power amplitude;

and generating a predistortion calibration file according to the first corresponding relation and the second corresponding relation.

The method of claim 1 or 2, wherein the receiving a system broadcast message from a network device, determining an actual transmit power required by the terminal, comprises:

receiving a system broadcast message from network equipment to obtain initial power of a downlink reference signal;

measuring actual Reference Signal Received Power (RSRP);

determining space propagation loss according to the initial power of the downlink reference signal and the actual reference signal receiving power;

and determining the actual transmitting power required by the terminal according to the space propagation loss and the uplink power control of the physical random access channel PRACH.

The method of claim 3, wherein the determining the actual transmission power required by the terminal according to the spatial propagation loss and uplink power control of a Physical Random Access Channel (PRACH) comprises:

the actual transmit power required by the terminal is calculated according to the following formula,

P_PRACH,f,c(i)＝{P_CMAX,f,c(i)，P_{PRACH,target+}PL_f,c}

wherein, P_PRACH,f,c(i) Representing the actual transmission power, P, required by said terminal_CMAX,f,c(i) Representing the maximum transmission power, P, of said terminal as defined by the network_PRACH,targetIndicating the target received power, PL, expected by the network_f,cRepresenting the spatial propagation loss, i represents the transmit time.

The method according to any of claims 1-4, wherein after the starting of the self-calibration procedure of the power amplifier PA and obtaining the pre-distortion calibration file, the method further comprises:

calling the predistortion calibration file to determine the high transmitting power after predistortion;

and carrying out uplink data transmission or initiating a random access process according to the high transmitting power after the predistortion.

The method of any of claims 1-5, wherein prior to receiving the system broadcast message from the network device, the method further comprises:

the detection of an upstream data transmission request, or,

an uplink scheduling instruction from the network device is detected.

An output power adjustment method applied to a network device, the method comprising:

sending a system broadcast message to a terminal, wherein the system broadcast message is used for determining the actual transmitting power required by the terminal in an idle state at present, the required actual transmitting power is used for the terminal to start a self-calibration process of a Power Amplifier (PA), so as to obtain a pre-distortion calibration file, the pre-distortion calibration file is used for determining the high transmitting power after pre-distortion, and the required actual transmitting power is greater than the preset transmitting power.

The method of claim 7, wherein after sending the system broadcast message to the terminal, the method further comprises:

and receiving uplink data sent by the terminal according to the pre-distorted high transmitting power.

The method of claim 7, wherein after sending the system broadcast message to the terminal, the method further comprises:

and receiving a random access request sent by the terminal according to the pre-distorted high transmitting power.

The method of any of claims 7-9, wherein prior to sending the system broadcast message to the terminal, the method further comprises:

and sending an uplink scheduling instruction to the terminal.

A terminal, characterized in that it comprises a processing unit and a communication unit, wherein,

the processing unit is configured to receive a system broadcast message from a network device through the communication unit, and determine an actual transmit power required by the terminal, where the terminal is currently in an idle state; and when detecting that the actual transmitting power required by the terminal is greater than the preset transmitting power, starting a self-calibration process of a Power Amplifier (PA) to obtain a predistortion calibration file, wherein the predistortion calibration file is used for determining the high transmitting power after predistortion.

The terminal according to claim 11, wherein in the aspect of obtaining the predistortion calibration file by the self-calibration procedure of starting the PA, the processing unit is specifically configured to: recording the output power amplitude and the output power phase of the PA in the process of controlling the input power of the PA to gradually increase to the target maximum transmitting power according to a preset step length to obtain a first corresponding relation and a second corresponding relation, wherein the first corresponding relation is the change relation of the output power amplitude along with the input power amplitude, and the second corresponding relation is the change relation of the output power phase along with the input power amplitude; and generating a predistortion calibration file according to the first corresponding relation and the second corresponding relation.

The terminal according to claim 11 or 12, wherein in the aspect of said receiving the system broadcast message from the network device and determining the actual transmission power required by the terminal, the processing unit is specifically configured to: receiving a system broadcast message from network equipment through the communication unit to obtain initial power of a downlink reference signal; and for measuring the actual reference signal received power, RSRP; and determining spatial propagation loss according to the initial power of the downlink reference signal and the actual received power of the reference signal; and the uplink power control module is used for determining the actual transmitting power required by the terminal according to the space propagation loss and the physical random access channel PRACH.

A network device comprising a processing unit and a communication unit, wherein,

the processing unit is configured to send a system broadcast message to a terminal through the communication unit, where the system broadcast message is used to determine an actual transmit power required by the terminal currently in an idle state, the required actual transmit power is used for a self-calibration process in which the terminal starts a power amplifier PA, so as to obtain a predistortion calibration file, the predistortion calibration file is used to determine a high transmit power after predistortion, and the required actual transmit power is greater than a preset transmit power.

The terminal of claim 13, wherein the processing unit, after sending the system broadcast message to the terminal via the communication unit, is further configured to: and receiving uplink data sent by the terminal according to the pre-distorted high transmitting power through the communication unit.

The terminal of claim 15, wherein the processing unit, after sending the system broadcast message to the terminal via the communication unit, is further configured to: and receiving a random access request sent by the terminal according to the pre-distorted high transmitting power through the communication unit.

A terminal comprising a processor, memory, a communication interface, and one or more programs stored in the memory and configured to be executed by the processor, the programs comprising instructions for performing the steps in the method of any of claims 1-6.

A network device comprising a processor, a memory, a transceiver, and one or more programs stored in the memory and configured to be executed by the processor, the programs including instructions for performing the steps in the method of any of claims 7-10.

A computer-readable storage medium, characterized in that it stores a computer program for electronic data exchange, wherein the computer program causes a computer to perform the method according to any one of claims 1-6.

A computer-readable storage medium, characterized in that it stores a computer program for electronic data exchange, wherein the computer program causes a computer to perform the method according to any one of claims 7-10.