Table 2 Correlation properties for codes of length 64
From: Performance evaluation of chaotic spreading sequences on software-defined radio
Codes of length 64 for 5 users | |||
|---|---|---|---|
Sequence | FoM | Pearson | Mean BER |
Walsh | 0.0744 | 0 | 0.0179 |
Tent | 0.1248 | −0.2335 | 0.0209 |
Quadratic | 2.2479 | 0.0773 | 0.0373 |
2D Hénon | 0.0353 | 0.5912 | 0.0058 |
2D Duffing | 0.0260 | −0.0119 | 3.922 ·10−4 |
3D Chua | 0.0801 | −0.1000 | 0.0016 |
Codes of length 64 for 10 users | |||
Sequence | FoM | Pearson | Mean BER |
Walsh | 0.0952 | 0 | 0.0094 |
Tent | 0.3691 | 0.1102 | 0.0334 |
Quadratic | 2.3293 | 0.0493 | 0.0327 |
2D Hénon | 0.0420 | 0.4106 | 0.0035 |
2D Duffing | 0.0264 | −0.0141 | 6.8000 ·10−5 |
3D Chua | 0.0803 | −0.3750 | 0.0213 |
Codes of length 64 for 16 users | |||
Sequence | FoM | Pearson | Mean BER |
Walsh | 0.1037 | 0 | 0.0170 |
Tent | 0.3731 | 0.0662 | 0.0493 |
Quadratic | 1.4706 | 0.4648 | 0.0980 |
2D Hénon | 0.0460 | 0.6047 | 0.0118 |
2D Duffing | 0.0266 | −0.0148 | 1.0000 ·10−6 |
3D Chua | 0.0805 | −0.0625 | 0.0039 |