Table 3 Comparison on computational complexity among packet detectors
From: A power-efficient synchronization scheme for the MB-OFDM-based UWB systems
Operation | Proposed | Scheme in [ 12 ] | Traditional AC | Traditional CC |
|---|---|---|---|---|
Complex multiplication | 0 | 1/10N s D b | N s D b | 128N s D b |
Real addition | (3 + 1.6)N s D b | 6N s D b | 2N s D b | 127N s D b |
Real comparison | (3 + 1.1)N s D b | 5.6N s D b | N s D b | N s D b |
ABS | 0 | N s D b | N s D b | 128N s D b |