… Cognitive Radio (CR) networks, under the consideration of many practical limitations such
as imperfect spectrum sensing, … subchannel allocation to satisfy heterogeneous users’ rate …

… In this paper, we investigate cooperative sensing in a heterogeneous CR network scenario,
… spectrum sensing in a centralized heterogeneous CR network with a fusion center (FC) …

… heterogeneous cognitive radio networks (CRNs) comprising primary channels (PCs) with
heterogeneous characteristics and secondary users (SUs) with various sensing and reporting …

… [1], most allocated spectrum … cognitive radio, which is an intelligent wireless communication
technology that requires the SUs to identify the idle spectrum by means of spectrum sensing, …

… for a heterogeneous cognitive radio sensor network (HCRSN… -enabled spectrum sensors
and battery-powered data sensors, … spectrum sensors, the energy efficiency of the data sensors …

… sensing qualities. In order to obtain an optimal EEHCSS scheme under heterogeneous
conditions, we employ a heterogeneous K… according to their sensing qualities. Demonstrating the …

… while protecting users in dense and heterogeneous networks [164]. … of applying spectrum
sensing in cognitive radio networks. The concepts of half-duplex and full-duplex cognitive radio …

… SPECTRUM sensing is a critical prerequisite in envisioned applications of wireless cognitive
radio (CR) networks … opportunity for cognitive radio systems with heterogeneous path loss …

… between cognitive radio networks and the next generation IoT network. … in the direction of
cognitive radio networks in general. … cognitive wireless networks form a general heterogeneous …

… We consider a PU coveringN subchannels and a heterogenous SU sharing the spectrum …
taking use of the spectrum, through performing periodic spectrum sensing and transmission. As …