Research Article

Low Power Decoding of LDPC Codes

Table 4

ATBF decoder implementation results.

Decoding algorithm ATBF

CMOS fabrication process 90 nm, 5 M
Supply voltage 0.9 V
Clock speed 250 MHz
Parallelism Fully parallel
Message bits 4
Logic utilisation 63.75%
Total chip area 0.729 mm2
Throughput (at 10 iterations) 25.2 Gb/s
Throughput per area (Gb/s/mm2) 34.6
Power consumption 33.14 mW
Energy/bit 1.3 pJ/bit