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Table 5 Computational complexity for the individual and block subcarrier allocations, the interleaved block subcarrier allocation, and the power combination

From: Interleaved block subcarrier allocation and power combination for frequency symbol spreading multiuser diversity OFDMA

B

1

2

4

8

16

32

\(C_{\mathrm{blo}}\)

268,435,456

16,777,216

1,048,576

65,536

4096

256

\(C_{\mathrm{int}}\)

–

–

–

–

–

256

\(C_\mathrm{pow}\)

–

–

–

–

–

11,776