From: Improved time and frequency synchronization in presence of imperfect channel state information
Stage | Equations | ♯ additions | ♯ multiplications |
---|---|---|---|
Initialization | (18), (19) | 7 | 3 |
First | (21) | \(2NL_{\text {STF}}-\frac {3}{2}N^{2}+\frac {1}{2}N-L_{\textrm {STF}}-1\) | \(2NL_{\textrm {STF}}-\frac {3}{2}N^{2}+\frac {1}{2}N+L\) |
(22) | N logN+2N | \(\frac {N}{2}\log N + 11N\) | |
(23) | N | ||
(25) | \(2NL_{\textrm {SIG}}-\frac {3}{2}N^{2}+\frac {1}{2}N-L_{\textrm {SIG}}-1\) | \(2NL_{\textrm {SIG}}-\frac {3}{2}N_{2}+\frac {1}{2}N+L\) | |
\(2NL_{\textrm {SIG}}-\frac {3}{2}N^{2}+\frac {1}{2}N+L\) | |||
Second | (30) ∗ | \(\frac {1}{2}L^{2}P+\frac {1}{2}L^{2}P+\frac {1}{2}LP-\frac {11}{2}L^{2}-\frac {3}{2}L+\frac {216}{5}7^{\log L}\) | \(\frac {1}{2}L^{2}P+LP^{2}+\frac {3}{2}LP+L^{2}+\frac {6}{5} 7^{\log L} \) |
(31) | 2M+1 | ||
(32) ∗ | 5P 2+5P−15 | 5P 2+25P | |
(33) ∗ | \((2M+1)\left [\frac {1}{2}L^{2}P +\frac {1}{2}L^{2}P+\frac {1}{2}LP\quad -\frac {11}{2}L^{2}-\frac {3}{2}L +\frac {216}{5}7^{\log L}\right ]\) | \((2M+1)\left [\frac {1}{2}L^{2}P+LP^{2}+\frac {3}{2}LP +L^{2}+\frac {6}{5} 7^{\log L}\right ]\) | |
(34) | 2M+1 | ||
(35) | L+2M+1 | ||
Third | (38) | 2M+1 | |
(41) | N 2+6N−4 | 2N 2+15N | |
Note: | ∗ P=2N+N S +N G |