A Novel Subcarrier-Level Spectrum Sensing Method by Utilizing Fine-Grained Channel State Information in Wireless Networks

Table 3

The situation of subcarrier interference sensing result changes with .

Scenarios	Interfered subcarrier
Background	[-5 -4 -3 -2 -1 1 2 3 4 5]
Subcarrier-Sniffer	[-12 -11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 1 2 3 4 5 6 7 8 9 10 11 12]
Subcarrier-Sniffer	[-10 -9 -8 -7 -6 -5 -4 -3 -2 -1 1 2 3 4 5 6 7 8 9 10]
Subcarrier-Sniffer	[-8 -7 -6 -5 -4 -3 -2 -1 1 2 3 4 5 6 7 8]
Subcarrier-Sniffer	[-5 -4 -3 -2 -1 1 2 3 4 5]
Subcarrier-Sniffer	[null]