The excavation of the ocean has led to the submersion of numerous autonomous vehicles
and sensors. Hence, there is a growing need for multi-user underwater acoustic …

Underwater wireless sensor networks are gaining popularity since supporting a broad range
of applications, both military and civilian. Wireless acoustics is the most widespread …

Underwater acoustic (UWA) channels present diverse sparsity, which is challenging for
UWA communications and underwater networked applications. Conventional methods fail to …

The new challenges are posed in the Cognitive Radio Sensor Network (CRSN) when
designing the methods for topology maintenance in the dynamic primary-user activities as it …

Abstract Information transmission is easily affected by obstacles or other factors, which
makes it challenging to achieve perfect channel state information (CSI) and successive …

Non-orthogonal multiple access is one of the best methods for addressing the needs of 5G
wireless services (NOMA). The proliferation of mobile devices in recent years has increased …

The new challenges are posed in the Cognitive Radio Sensor Network (CRSN) for
designing techniques of topology maintenance. Satisfactory clustering may not be achieved …

One of the most effective approaches to satisfying the requirements of the next generation of
wireless services is non-orthogonal multiple access (NOMA). Spectrum efficiency and …

The cognitive radio sensor network (CRSN) faces additional difficulties in developing
topology maintenance methods. Spectrum-aware clustering techniques, which depend on …

In this paper, we consider an underlay cognitive non-orthogonal multiple access (CNOMA)
network, where incremental relaying with partial relay selection (PRS) scheme (ie, IRP …