Chip transmitting power calibration method and device

Abstract

The invention discloses a chip transmitting power calibration method and device. The chip transmitting power calibration method comprises the steps: determining the first transmitting power of a first type of chips for transmitting single-tone signals, wherein the first transmitting power is the average transmitting power of the first type of chips for transmitting the single-tone signals; acquiring the second transmitting power of a chip for transmitting the single-tone signal, wherein the chip belongs to one of the first type of chips; based on the first transmitting power and the second transmitting power, determining an adjustment amount of a first radio frequency gain of the chip, the first radio frequency gain being used for the chip to transmit a modulation signal; and adjusting the first radio frequency gain of the chip based on the adjustment amount of the first radio frequency gain of the chip. Through the calibration method, the transmitting power of the chip for transmitting the modulation signal is close to the average transmitting power of the such type of chips for transmitting the modulation signal, so that the fluctuation between the transmitting power of each chip in such type of chips for transmitting the modulation signal is reduced.

Description

technical field [0001] The present application relates to the field of communications, and in particular to a chip transmission power calibration method and device. Background technique [0002] Both receiving and transmitting signals of the terminal equipment depend on the wireless communication chip in the terminal equipment. Therefore, if the transmitting power of the wireless communication chip is too high or too low, the quality of receiving / transmitting signals of the terminal equipment will be affected. The transmission power of a wireless communication chip is usually affected by factors such as the manufacturing process and circuit instability. For the same type of wireless communication chip, there are also large differences in the transmission power of each wireless communication chip, which leads to the use of The products of the wireless communication chip (ie, terminal equipment) have poor consistency. For example, the wireless communication chip a1 and the w...

AI Technical Summary

Problems solved by technology

Therefore, the transmission power of the wireless communication chip is too high or too low will affect the quality of the received / transmitted signal of the terminal equipment

The transmission power of wireless communication chips is usually affected by factors such as manufacturing process and circuit instability. For the same type of wireless communication chips, there are also large differences in the transmission power of various wireless communication chips, which leads to the use of The wireless communication chip product (i.e. terminal equipment) has poor consistency

For example, the wireless communication chip a1 and the wireless communication chip a2 are the same chip produced by the same factory production line, but the quality of the receiving / transmitting signal of the mobile phone A1 (using the wireless communication chip a01) is the same as that of the mobile phone A2 (using the wireless There will also be certain differences in the quality of the received / transmitted signal of the communication chip a02)

Images