Fully Pipelined Implementation of Tree-Search Algorithms for Vector Precoding

Figure 8

BER performance degradation introduced by approximating the ℓ² norm by the simplified ℓ1 and ℓ∞ norms in the FSE (𝑛_𝑇=10) (a) and K-best (𝐾=7) (b) tree-search approaches.

(a) FSE

(b) K-best