 
| PN Sequences
By Dr. Ernest Simo
1.0 Definition and Generation
Full-Length Cross-Correlation
Now consider the Reference PN Code Cj(t) and the time-shifted
versions of another code Ci(t) as shown below. Let us compute
the Correlation of Cj(t) and Ci(t- ),
for all suitable values of (0 to 7).
|
Time Shifts
|
Shifted Sequences
|
Correlation
|
|
.
|
|
Reference1
|
1 0 0 1
0 1 1
| |
|
0
|
1 0 0 1
1 1 0
|
+3
|
|
1
|
0 0 1 1
1 0 1
|
-1
|
|
2
|
0 1 1 1
0 1 0
|
-1
|
|
3
|
1 1 1 0
1 0 0
|
-5
|
|
4
|
1 1 0 1
0 0 1
|
+3
|
|
5
|
1 0 1 0
0 1 1
|
+3
|
|
6
|
0 1 0 0
1 1 1
|
-1
|
|
7
|
1 0 0 1
1 1 0
|
+3
|
CODE: AN INTRODUCTION
By Dr. Ernest Simo
© 1999 DR. ERNEST SIMO - SPACE2000 |
|
