1 General
1.1 Scope
1.2 References
2 The E-model, a computational model
for use in transmission planning
2.1 Introduction
2.2 Source code
3 The structure and basic algorithms
of the E-model
3.1 Calculation of the transmission
rating factor, R
3.2 Basic signal-to-noise ratio, Ro
3.3 Simultaneous impairment factor, Is
3.4 Delay impairment factor, Id
3.5 Equipment impairment factor, Ie
3.6 Advantage factor, A
3.7 Default values
Annex A – Conditions
of using the E-model
A.1 Examples of conditions where
caution must be exercised when using the E‑model
A.2 Conditions for which the
performance of the E-model has been improved by updating from the earlier
version
Annex B – Quality
measures derived from the transmission rating factor R
Annex C – Source
code for G.107_4 in BASIC
Appendix
I – Calculation of R
from MOSCQE Values