Figure 2
From: Iterative receivers combining MIMO detection with turbo decoding: performance-complexity trade-offs

Tree-search strategies. (a) Depth-first search sphere decoder. (b) Breath-first search K-Best decoder.
From: Iterative receivers combining MIMO detection with turbo decoding: performance-complexity trade-offs
Tree-search strategies. (a) Depth-first search sphere decoder. (b) Breath-first search K-Best decoder.