Table of Contents
Advertisement
4.2.9.2.2
Punctured Viterbi Setting
Setting of the punctured codes and swap function:
Registry path:
HKEY_LOCAL_MACHINE/SOFTWARE/InSnec/CrtxHdr/SetDefault/Preferences/
Dmu#n
Keywords:
ViterbiPunctCode0, ViterbiPunctCode1 and ViterbiPunctSwapp
For Code 0 and code 1: enter 0 for no puncturing and 1 for punctured Viterbi. Enter 0 for swap OFF, 1
for swap ON convention 1 and 2 for swap ON convention 2.
Default setting:
0.
4.2.9.2.3
BER on Merged or Separate I/Q
Selecting the BER measurement technique in PRN BER mode (see 3.3.8 ) and BER display on the
GUI:
Registry path:
HKEY_LOCAL_MACHINE/SOFTWARE/In-Snec/CrtxHdr/SetDefault/Signal
Processing /Dmu#n
Keyword:
BerIQ
Enter 0 for one BER value on merged I & Q (using method 1).
Enter 1 for two BER values (on I & on Q) (using method 1).
Enter 2 for one BER value on merged I & Q (using method 2).
Default setting:
0.
4.2.9.2.4
High EbNo Tracking Mode
This key describes the mode of tracking of the high EbNo:
Registry path:
HKEY_LOCAL_MACHINE/SOFTWARE/In-Snec/CrtxHdr/SetDefault/Signal
Processing /Dmu#n
Keyword:
TrackBERHigh
Default setting: Enter 0 for EbNo computed from the I/Q constellation. Enter1 for high EbNo (> 12 dB)
update from IF level measurements (assuming the noise level is constant).
4.2.9.2.5
I/Q Synchronization in Capture Mode (menu # 7)
Expected timing for external I/Q input signals (external I/Q data recovery mode):
Registry path:
HKEY_LOCAL_MACHINE/SOFTWARE/In-Snec/CrtxHdr/SetDefault/Signal
Processing /Dmu#n
Keyword:
BitSyncMode_IQ_sync
Enter 0 for synchronized I/Q and 1 for Q data timing delayed by ½ symbol compared to I data.
Default setting: 0
© Safran Data Systems – IMP000074 e14r1
HIGH DATA RATE RECEIVER
HDR-4G+ USER'S MANUAL
This document is the property of
It cannot be duplicated or distributed without expressed written consent.
Ref.
DTU 100782
Is.Rev
3.5
Date:
June 1, 2021
Safran Data Systems
.
Page 204
- Quick Links:
- Table of Contents
Hide quick links:
Advertisement
Table of Contents
