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Table 5 Comparison of resource utilization for OFDMA and OWDMA processors

From: An orthogonal wavelet division multiple-access processor architecture for LTE-advanced wireless/radio-over-fiber systems over heterogeneous networks

Technique Architecture N(size of computation) No. of CLB slices No. of LUT slices BRAM DSP slices Time (μs)
OFDMA processing R2 256 842 650 3 3 4.18
R2L 1,000 1,025 839 3 3 31.58
R2 1,106 882 3 6 18.63
R2L 2,000 1,137 882 5 3 66.74
R2 1,082 952 5 6 39.41
Proposed OWDMA processing Parallel and pipelined 256 614 355 3 32 0.91
Parallel and pipelined 1,000 1,338 1,042 3 32 3.61
  Parallel and pipelined 2,000 1,160 848 5 32 7.26