Research Article
Low-Complexity Inverse Square Root
Approximation for Baseband Matrix Operations
Table 2
Suggestive comparison of inverse square root methods. The proposed method has the highest area efficiency with .
| method | Accuracy (FWL of result) | Area (GE) | Area efficiency (accuracy/area) |
| [5] | 52 | 40665.25 | 0.0012787 | [6] | 52 | 38038.05 | 0.0013671 | [10] | 52 | 32695.50 | 0.0015905 | [13] | 23 | 7123.80 | 0.0032286 | [21] | 16 | 4597.80 | 0.0034800 | [16] | 23 | 4383.50 | 0.0052469 | [23] | 16 | 1602.00 | 0.0099875 | Proposed | 4 | 405.75 | 0.0098583 | Proposed | 6 | 433.75 | 0.0138329 | Proposed | 8 | 514.00 | 0.0155642 | Proposed | 10 | 622.00 | 0.0160772 |
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