Cognitive radio (CR) network has emerged as a potential solution to the under-utilization problem of the allocated radio spectrum, where spectrum sensing (SS) plays a key role to …
With the increasing number of connected IoT devices for 5G networks, numerous access schemes have been conceived in the literature. Although several cross-layer (PHY MAC) …
Backscatter communications relieves sensor tags from the energy-intensive task of generating their own radio waves. This enables sensor tags to transmit their sensor readings …