A Survey on Coexistence in Heterogeneous Wireless Networks in TV White Spaces

Table 3

Coexistence challenges of cognitive users/networks in TVWS.

Challenges for cognitive devices/networks in TVWS
Spectrum sharing		Interference mitigation		Spectrum availability detection
Cooperative method	Non-cooperative method	Interference from/to primary users	Interference among cognitive wireless networks	Primary user detection	Secondary user/network detection