Research Article

Loop-Reduction LLL Algorithm and Architecture for Lattice-Reduction-Aided MIMO Detection

Table 4

Average computational complexity and latency of lattice-reduction Algorithms for 8 × 8 MIMO detection.

Algorithm Addition Multiplication Division Givens Rotation Total

LLL 1463.3/141.6 1541.8/220339.6/339.6285.8/24.34 3630/725.6
LR-LLL 1462.5/137.21 1527.4/211.1 218.12 (64%)/218.12 287.46/24.49 3504.5 (96%)/591 (81.4%)