Research Article

Fully Pipelined Implementation of Tree-Search Algorithms for Vector Precoding

Table 1

Hardware resource occupation and throughput of the tree-search architectures under study.

-Best
FSE
-Best
FSE

Number of occupied slices
(39,360)
25% 10% 26% 10%
Number of slice registers
(314,880)
10% 5% 10% 4%
Number of slice LUTs
(157,440)
20% 7% 20% 7%
 Used as logic 11% 6% 11% 6%
 Used as memory 27% 2% 27% 2%
Number of DSP48e1s
(576)
40% 40% 31% 29%
(Gbps) 5.52 5.63 5.34 5.62