Protection of primary users in dynamically varying radio environment: practical solutions and challenges

EURASIP Journal on Wireless Communications and Networking

Table 1 Summary of the main features of the OOB reduction methods for NC-OFDM

Properties	GS	W	AST	CE	CCs*	SW	MCS	PCC	SP	EAIC	PRS	NC	MFB
Increase of PAPR	No	No	No	No	Yes	No	No	No	No	Yes	No	No	Yes
Computational complexity	Low	Low	High	High	High	High	High	Low	High	High	High	High	High
Side information control channel	No	No	No	No	No	No	Yes	No	No	No	No	No	No
Suitability for high order modulations	Yes	Yes	Yes	No	Yes	No	No	Yes	Yes	No	No	Yes	Yes
Seemless reception	Yes	No	No	No	Yes	Yes	No	No	No	Yes	No	No	Yes
Decrease of throughput	High	High	Low	No	Low	No	High	High	Low	Low	No	No	No
Increase of BER	No	No	No	Yes	Yes	Yes	No	No	No	No	Yes	Yes	No

Guard Subcarriers (GS), Windowning (W), Adaptive Symbol Transition (AST), Constellation Expansion (CE), Cancellation Carriers - basic method, without modifications (CCs*), Subcarriers Weighting (SW), Multiple-Choice Sequences (MCS), PCC, Spectral Precoding (SP), Extended Active Interference Cancellation (EAIC), Partial Response Signaling (PRS), N-continuous OFDM (NC), Modulated Filter Banks (MFB)