Research Article

Cognitive Radio for Smart Grid: Theory, Algorithms, and Security

Table 1

IEEE 802.22 characteristics.

ParameterSpecification

Typical cell radius (km)30–100 km
MethodologySpectrum sensing to identify free
channels
Channel bandwidth (MHz) 6, (7, 8)
Modulation OFDM
Channel capacity18 Mbps
User capacityDownlink: 1.5 Mbps
Uplink: 384 kbps