Cognitive non-orthogonal multiple access with cooperative relaying: A new wireless frontier for 5G spectrum sharing
Two emerging technologies toward 5G wireless networks, namely non-orthogonal multiple
access (NOMA) and cognitive radio (CR), will provide more efficient utilization of wireless …
access (NOMA) and cognitive radio (CR), will provide more efficient utilization of wireless …
Performance evaluation of relay-aided CR-NOMA for beyond 5G communications
Non-orthogonal multiple access (NOMA) is considered as one of the most promising
technologies to handle the issue of spectrum scarcity in beyond fifth-generation (5G) …
technologies to handle the issue of spectrum scarcity in beyond fifth-generation (5G) …
Design of cooperative non-orthogonal multicast cognitive multiple access for 5G systems: User scheduling and performance analysis
Non-orthogonal multiple access (NOMA) is emerging as a promising, yet challenging,
multiple access technology to improve spectrum utilization for the fifth generation (5G) …
multiple access technology to improve spectrum utilization for the fifth generation (5G) …
Interplay between NOMA and other emerging technologies: A survey
Non-orthogonal multiple access (NOMA) has been widely recognized as a promising way to
scale up the number of users, enhance the spectral efficiency, and improve the user-fairness …
scale up the number of users, enhance the spectral efficiency, and improve the user-fairness …
Joint spectrum resource allocation in NOMA-based cognitive radio network with SWIPT
Z Song, X Wang, Y Liu, Z Zhang - IEEE access, 2019 - ieeexplore.ieee.org
In a conventional cognitive radio (CR) network, only when the primary user's (PU) frequency
bands are sensed to be free, secondary users (SUs) can utilize these frequency band …
bands are sensed to be free, secondary users (SUs) can utilize these frequency band …
Spectrum resource optimization for NOMA-based cognitive radio in 5G communications
X Liu, Y Wang, S Liu, J Meng - IEEE Access, 2018 - ieeexplore.ieee.org
In traditional cognitive radio (CR), secondary user (SU) can only access the idle spectrum
when primary user (PU) is absent, which has to vacate the spectrum when detecting the …
when primary user (PU) is absent, which has to vacate the spectrum when detecting the …
State of the art, taxonomy, and open issues on cognitive radio networks with NOMA
The explosive growth of mobile devices and the rapid increase of wideband wireless
services call for advanced communication techniques that can achieve high spectral …
services call for advanced communication techniques that can achieve high spectral …
NOMA in cooperative underlay cognitive radio networks under imperfect SIC
In conventional cognitive radio (CR), the users in secondary network (SN) can only access
the idle spectrum when users in primary network (PN) are absent. This novel strategy …
the idle spectrum when users in primary network (PN) are absent. This novel strategy …
Uplink resource allocation for NOMA-based hybrid spectrum access in 6G-enabled cognitive Internet of Things
X Liu, H Ding, S Hu - IEEE Internet of Things Journal, 2020 - ieeexplore.ieee.org
Sixth generation (6G)-enabled Internet of Things (IoT) needs sufficient spectrum resources
to provide spectrum access for massive IoT's terminals. However, traditional orthogonal …
to provide spectrum access for massive IoT's terminals. However, traditional orthogonal …
On the outage of underlay CR-NOMA networks with detect-and-forward relaying
Non-orthogonal multiple access (NOMA) is considered to be one of the promising multiple
access (MA) techniques for 5G networks that can provide low latency, high system …
access (MA) techniques for 5G networks that can provide low latency, high system …