Data From File; File Format; Cycle Length; Figure 54: 10-Bit Generator With Feedbacks After Register 3 And 0 - Safran CORTEX Series User Manual

9
PRN10 Data

Figure 54: 10-bit generator with feedbacks after register 3 and 0

Next table describes all PRBS generators available:
PRBS
Generators
7
PRBS 7 2 − 1 = 127
7
PRBS 10 2 − 1 = 127
7
PRBS 11 2 − 1 = 127
7
PRBS 15 2 − 1 = 127
7
PRBS 23 2 − 1 = 127
7
PRBS 31 2 − 1 = 127
3.6.1.1.2

Data from File

3.6.1.1.2.1

File Format

Data can be retrieved from files on the disk.
Files are hexadecimal-coded and can be edited using Notepad or any other text editor.
Access path to the simulated telemetry files is:
3.6.1.1.2.2

Cycle Length

Parameter Cycle Length specifies which part of the file must be modulated. It can be set to any value
22 – 1 = 4,194,303 bytes.
from 32 to 2
© Safran Data Systems – IMP000074 e14r1
HIGH DATA RATE RECEIVER
HDR-4G+ USER'S MANUAL
8 7 6
Length in bits Feedback after
Register 1, 0
127
Register 3, 0
1,023
Register 2, 0
2,047
Register 1, 0
32,767
Register 5, 0
8,388,607
Register 3, 0
2,147,483,647

Table 13: PRBS Generators for BER Analysis

D:\ZDS\Data\HDR\SPS\BER\
Ref.
Is.Rev
Date:
5 4 3 2
PRBS 15 is configured according to
CCITT Rec. 0.151/152/153
PRBS 23 is configured according to
CCITT Rec. 0.151/152/153
Safran Data Systems
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