Directional modulation (DM) has emerged as a highly promising physical layer security technique that embeds confidential information into the spatial characteristics of the transmitted signal. By ...
Figure 1: Typical applications of metasurfaces in wireless communication include: RIS (Reconfigurable Intelligent Surface-based Wireless Relay Systems), Digit (Digital-Coded Metasurface-Based ...
In the ever-evolving landscape of wireless communication, security remains a paramount concern. A recent study published in Engineering delves into the realm of intelligent covert communication, ...
Although solar cells lose much of their power yield when submerged, as the devices obviously suffer lower solar radiation, they may not be useless. Researchers from the Zhejiang University in China ...
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 ...
What is LoRaWAN, and how do the technologies that power it work? How LoRaWAN's unique modulation scheme and air interface protocol is able to support reliable long-distance communications while ...
The expression “less is more” is often used figuratively, but Constructor University Professor of Electrical Engineering Giuseppe Freitas de Abreu believes using next to nothing could unlock wireless ...
These Signal Generators Can Test And Emulate Systems Ranging From 2G And 3G To 4G, 802.11b, And Bluetooth. Testing can be one of the most problematic steps in a design chain. When new technologies ...
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