Patent ID: 8731104

Claim:
An apparatus for compensating for clipping power losses, comprising: a gain multiplier for applying a gain to a signal input into a crest factor reduction module in a TX chain, so that a power of a signal output from the crest factor reduction module is equal to a power of a signal output from a baseband signal generation module in the TX chain; a device for calculating the gain to the signal input into the crest factor reduction module by using the power of the signal output from the baseband signal generation module, and outputting the calculated gain to the gain multiplier, wherein in the TX chain the gain to the signal input into the crest factor reduction module is a function of a power of the signal input into the crest factor reduction module; wherein the function is stored in the device, and the device calculates the gain to be applied to the signal input into the crest factor reduction module, by using the function stored in the device and the power of the signal output from the baseband signal generation module, so that an overall gain of a cascade of the gain multiplier and the crest factor reduction module is 0 dB; wherein the device calculates the calculated gain by subtracting a first power which is equal to the power of the signal output from the baseband signal generation module from a second power, the second power is a horizontal coordinate value of an intersection of a line with a slope of −1 dB and a curve of the function, the line with a slope of −1 dB passes through an intersection of a vertical line with a horizontal coordinate value of the power of the signal output from the baseband signal generation module and a horizontal line with a vertical coordinates value of 0 dB; wherein the gain multiplier is arranged between the baseband signal generation module and the crest factor reduction module.