Wireless communication systems enable the transmission of information without physical conductors by converting digital data into electromagnetic waves and propagating them through air or space. At ...

In modern wireless communication systems, the scarcity of spectrum resources poses challenges to the performance and efficiency of the system. Spectrum prediction technology can help systems better ...

Researchers from Southeast University in China, along with collaborators from other institutions, have developed a novel amplifying and filtering reconfigurable intelligent surface (AF-RIS) designed ...

A team of researchers has developed innovative methods to enhance frequency conversion of terahertz (THz) waves in graphene-based structures, unlocking new potential for faster, more efficient ...

Researchers have shown that solar cells can be used to achieve underwater wireless optical communication with high data rates. The new approach -- which used an array of series-connected solar cells ...