Table 3:
Visited nodes in tree search with different fixed branches in 16-QAM modulation 4 × 4 MIMO system.
[
2
,
3
,
4
,
1
6
]
[
2
,
2
,
2
,
1
6
]
[
1
,
2
,
2
,
1
6
]
[
1
,
1
,
1
,
1
6
]
Nodes
657
241
177
65