Research Article
Controlling Initial and Final Radii to Achieve a Low-Complexity Sphere Decoding Technique in MIMO Channels
Table 2
Reduction in complexity corresponding noise variance.
| Noise variance | SE-SD Complexity reduction (%) when | PSE-SD complexity reduction (%) | EPSE-SD complexity reduction (%) |
| 2.49 | 20 | 30 | 52 | 1.14 | 3 | 8 | 22 | 1.02 | −2 | 3 | 13 | 0.203 | −13 | −7 | 1 | 0.056 | −32 | −30 | −27 |
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