Open Access

表1

本文的译码器与现有的LDPC(8 176, 7 154)译码器资源对比

文献 译码算法 迭代次数 芯片 时钟频率/MHz 吞吐量/(b·s-1) 存储器 面积
注:表格中括号里的百分比表示译码器所耗费资源占FPGA总资源的比例。
2007[3] F-SPA 15 XC2V6000 193.4 193 128个18k(88%) LUT:28 229(41%) FF:26 926 (39%)
2009[7] BP-based 18 EP2S180 200 640 1 300 kb(20%) ALUs:38 000(27%) FF:30 000(27%)
2011[5] NMS 15 XC4VLX160 212 714 1 440 kb80个
18 k(28%)
LUT:27 046(20%) FF:27 210(20%)
本文 NMSA 14 XC4VLX160 250 2 000 560 kb164个
18k(57%)
LUT:56 778(42%)
FF:86 942(64%)

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