Green communications have always been a target for the information industry to alleviate
energy overhead and reduce fossil fuel usage. In the current 5G and future 6G eras, there is …

Traditional power grids are currently being transformed into smart grids (SGs). SGs feature
multi-way communication among energy generation, transmission, distribution, and usage …

The strengthening of ecological conflicts due to the increase of the destructive impact from
industrial companies on the environment provokes the development and implementation of …

Time-critical and delay-sensitive multimedia applications require more spectrum and
transmission resources. With the provision of cognitive radios (CRs), the underutilized …

This paper studies energy efficient resource allocation for a machine-to-machine enabled
cellular network with nonlinear energy harvesting, especially focusing on two different …

Wireless networks with their ubiquitous applications have become an indispensable part of
our daily lives. Wireless networks demand more and more spectral resources to support the …

Spectrum inference, also known as spectrum prediction in the literature, is a promising
technique of inferring the occupied/free state of radio spectrum from already …

A multiple-input single-output cognitive radio downlink network is studied with simultaneous
wireless information and power transfer. In this network, a secondary user coexists with …

Taking into account factors such as unfavorable climate changes, shrinking fossil fuel
resources, low energy efficiency, and the pace of population growth, the transformation …

Cognitive radio is a promising technology to improve spectral efficiency. However, the
secure performance of a secondary network achieved by using physical layer security …