CIR_PWR Calculation & Accumulator

Hi,

I did not understand how CIR_PWR value is calculated. It written in the manual that “This is a 16-bit value reporting the sum of the squares of the magnitudes of the accumulator from the estimated highest power portion of the channel”, but what is meant by “the estimated highest power portion of the channel”. Is CIR_PWR calculated by using only the accumulator (i.e. CIR) or is any other variable/parameter/information used in calculation of CIR_PWR?

Thanks!

Anilk