Wireless Technology Terms, Glossary and Dictionary
EESM: Exponential Effective SIR Mapping
Exponential Effective SIR Mapping (EESM) is a method to estimate demodulator performance in a channel with frequency selective signal and/or noise. In a sense, the EESM is a channel-dependent function that maps power level and MCS level to SINR values in the Additive White Gaussian Noise (AWGN) channel domain. This allows using this mapping along with AWGN assumptions (such as effect of an increase in power, CINR/MCS threshold tables) in order to predict the effect of MCS and boosting modification. The EESM method has been shown to yield an accurate estimation of the AWGN-equivalent SINR for frequency selective channels.