With the continuous development of wireless communication technology, the number of
access devices continues to soar, which poses a grate challenge to the already scarce …

Spectrum sensing of non-orthogonal multiple access (NOMA) signals is a challenging issue,
as not only the presence/absence of primary users (PUs) but also the number of PUs needs …

With the rapid increase of the demand for the Internet of Things (IoT), spectrum resources
have incremental challenges. Nonorthogonal multiple access (NOMA) and spectrum …

With the rapid growth in the requirements of the Internet of Things (IoT), the scarcity of
spectrum resources is becoming serious. Non-orthogonal multiple access (NOMA) and …

In this paper, a new scheme called an extended non-orthogonal multiple access (E-NOMA)
is proposed, in which the effect of the inter-network interference is investigated. Even though …

Non-orthogonal multiple access (NOMA) is a promising technology for next generation
multiple access (NGMA). However, traditional NOMA detection methods cannot cope with …

Many state-of-the-art techniques are leveraged to improve spectral efficiency, of which
cognitive radio and multiple access are the most promising ones. In cognitive radio …

Non-orthogonal multiple access (NOMA), which improves spectrum efficiency and system
throughput, is one of the promising radio access techniques for 5G. In this paper, NOMA is …

With the rapid advent of various new applications and services, the anticipated use of
bandwidth and frequency resources is beyond expectation in future mobile networks. To …

Due to the increasing number of devices to be connected in fifth-generation (5G) and
Internet of Things (IoT) networks, spectrum efficiency becomes a very challenging issue …