Figure 23: Constellation Mapper For 2.25 Bits/Channel-Symbol - Safran CORTEX Series User Manual

(ii) Equation for 2.25 bits/channel symbol efficiency:
  
( ) 0
Z

 
( ) 1
Z  
 
 
4 x 2 x

 
9 6
( ) 2
Z

 
  
( ) 3
 

Z
(iii) Equation for 2.5 bits/channel symbol efficiency

 
( ) 0
Z
  
( ) 1
Z 
  

4

 
( ) 2
Z

 
 

( ) 3
  
Z
© Safran Data Systems – IMP000074 e14r1
HIGH DATA RATE RECEIVER
HDR-4G+ USER'S MANUAL

 
1 0
  
  
1 x

 
x 4
  
2
1 x
  
  

  
1 x x
8

Figure 23: Constellation Mapper for 2.25 bits/channel-symbol

 
1
 
 
1

  
x 2 x x 4
 
10 7 3
1
 
 
 
1
Ref.
Is.Rev
Date:
 
0
 
 
x

8 4
2
 
x
 
7 3
 
  
 
x x x
7 5 4 3
  
0
  
  
x

9
2
  
x
  
8
  
 
  
x x x x
9 8 6 5
Safran Data Systems
This document is the property of
It cannot be duplicated or distributed without expressed written consent.
DTU 100782
3.5
June 1, 2021

  
0
  

  
x


0
mod 8
  
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0
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x x

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  
x x
  
4 0
  
  
  
x x x x
4 2 1 0
.



mod 8




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