Research Article

Design and Study of Cognitive Network Physical Layer Simulation Platform

Table 2

OFDM parameters for the three channel bandwidths.

No.TV channel bandwidth (MHz) 6 7 8

1Total number of subcarriers, 2048
2Number of guard subcarriers, NG (L, DC, R)368 (184, 1, 183)
3Number of used subcarriers, NT = ND + NP1680
4Number of data subcarriers, ND1440
5Number of pilot subcarriers, NP240