Appendix K. Ran/Wan Optimization; Overview - Comtec CDM-840 Installation And Operation Manual

K.1

Overview

The CDM-840 Remote Router supports E1 RAN (Radio Access Network) Optimization as a FAST
option. This appendix provides detailed information about Comtech EF Data's patent pending
RAN Optimization technology, which is designed to provide maximum savings while maintaining
superior voice quality.
K.1.1 Radio Access Network (RAN)
Figure K-1 illustrates typical 2G and 3G Radio Access Networks.
In the cellular network, the RAN connects cell-site nodes with central-site nodes:
Appendix K. RAN/WAN
Figure K-1. 2G / 3G Radio Access Network (RAN)
K–1
OPTIMIZATION