Method for calculating uplink transmission open-loop power control of 5G repeater by utilizing 4G field intensity
A field strength calculation and open-loop power technology, applied in the field of communication, can solve problems such as high cost, expensive 5G chips, and restrictions on development and application, and achieve the effects of saving electric energy, reducing power consumption, and reducing hardware costs
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[0054] The present invention utilizes the D-band 4G received signal RSRP to convert the distance (path loss) between the receiving end of the device and the base station, and on this basis controls the total power of the uplink transmission of the analog channel to achieve the purpose of not interfering with the base station.
[0055] The total power of 5G base station PRU is 35dBm, and the total power of 4G base station PRU is 33dBm.
[0056] The total power converted from 4G receiving RSRP is: RSRP+30.8.
[0057] The path loss from the base station to the receiving end is: loss=33-(RSRP+30.8).
[0058] The uplink transmission power of each RB of the 5G terminal to the power of the base station:
[0059] P=Pout-35-loss=Port-35-[33-(RSRP+30.8)
[0060] P=Pout-68+30.8+RSRP
[0061] P=Pout-37.2+RSRP
[0062] 5G base station noise floor and 4G frequency band requirements are consistent: ≤-110dBm
[0063] The preset uplink open-loop power control value is ΔP, and ΔP is the powe...
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