CDM-625 Advanced Satellite Modem
Revision 1
Table of Contents
MN-0000036 (Ref MN/CDM625.IOM)
10.6
1
st
CnC Example: Adjacent Carriers, CnC Ratio and Rain Fade ........................................ 10–7
10.7
2
nd
CnC Example: CnC Ratio With Asymmetric Links ........................................................ 10–9
10.8
3
rd
CnC Example: Asymmetric Link With Rain Fade ........................................................ 10–11
10.9
Summary of Specifications ..................................................................................................... 10–12
10.10
Conclusion ........................................................................................................................... 10–12
CHAPTER 11.
EDMAC CHANNEL ..................................................................................... 11–1
11.1
Theory Of Operation ................................................................................................................ 11–1
11.2
M&C Connection ...................................................................................................................... 11–2
11.3
Setup Summary ......................................................................................................................... 11–3
11.4
Drop & + ....................................................................................................................... 11–3
CHAPTER 12.
ESC++ ......................................................................................................... 12–1
12.1
Introduction ............................................................................................................................... 12–1
12.2
Overhead Details ....................................................................................................................... 12–1
12.3
Available Baud Rates ................................................................................................................ 12–2
12.4
Configuration ............................................................................................................................ 12–2
12.5
Effect on Eb/No performance .................................................................................................. 12–2
CHAPTER 13.
OFFSET QPSK OPERATION ..................................................................... 13–1
CHAPTER 14.
OPEN NETWORK OPERATIONS............................................................... 14–1
14.1
Overview .................................................................................................................................... 14–1
14.2
IBS .............................................................................................................................................. 14–1
14.2.1
IBS Clock/data Recovery and De-jitter............................................................................... 14–2
14.2.2
IBS Framing ........................................................................................................................ 14–2
14.2.3
IBS Engineering Service Channel ....................................................................................... 14–2
14.2.4
IBS Scrambling ................................................................................................................... 14–2
14.3
Drop and Insert (D&I) .............................................................................................................. 14–3
14.3.1
D&I Primary Data Interfaces .............................................................................................. 14–4
14.3.2
D&I Framing ....................................................................................................................... 14–4
14.4
IDR ............................................................................................................................................. 14–5
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