Performance Enhancement for Multihop Cognitive DF and AF Relaying Protocols under Joint Impact of Interference and Hardware Noises: NOMA for Primary Network and Best-Path Selection for Secondary Network

Table 1

Main differences with the published works related to multihop relaying networks.

References	Underlay CR	NOMA-based primary transmission	Path selection	Joint impact of CCI and HI	DF/AF protocol
Proposed scheme	Yes	Yes	Yes	Yes	Both
Reference [17]	No	No	No	Yes	Only DF
Reference [24, 25]	No	No	Yes	No	Only DF
Reference [26]	No	No	Yes	Only HI	Only DF
Reference [34, 35]	Yes	No	No	No	Only DF
Reference [36]	Yes	No	Yes	No	Only DF
Reference [48]	No	No	Yes	Yes	Only DF