Research Article
Advanced Multiresolution Wavelet Based Wideband Spectrum Sensing Technique for Cognitive Radio
Table 2
Number of mathematical operations showing the complexity of the technique [
8].
| | Technique | Number of Mathematical Operation |
| | FFT | Complex Multiplication | | | Real Multiplications |
| | 5 dB FIR Discrete Wavelet Transform | | |
| | Butterworth Poly-Phase IIR Filter for DWT | | | 2-Level | | 4-Level |
| | 5 dB FIR Discrete Wavelet Packet Transform | | | 2-level |
| | Butterworth Poly-Phase IIR for DWPT | | |
|
|
Only Real Multiplication. |
