Wireless internet supports the daily activities of countless people worldwide, ranging from their professional communications to internet browsing and the streaming of movies or TV series. This spiking demand for wireless internet access goes hand in hand with greater...
Telecom
Memristive radiofrequency switches show improved performance for mmWave applications
Radiofrequency (RF) switches are electronic components that control the routing of RF signals between different segments of circuits, for instance turning the signals on and off or redirecting them. These switches are central to the functioning of numerous...
Memristive radiofrequency switches show improved performance for mmWave applications
Radiofrequency (RF) switches are electronic components that control the routing of RF signals between different segments of circuits, for instance turning the signals on and off or redirecting them. These switches are central to the functioning of numerous...
Study highlights the vulnerabilities of metasurface-based wireless communication systems
Metasurfaces, artificially engineered surfaces that can manipulate electromagnetic signals in unique ways, have huge potential for several technological applications, including the implementation of sixth generation (6G) cellular communications. The limitations and...
Electromechanical resonators operating at sub-terahertz frequencies
To further advance communication systems, increasing both their speed and efficiency, electronics engineers will need to create new and highly performing components, including electromechanical resonators. Electromechanical resonators are essential components of...
A system to enable multi-kilometer and sub-terahertz communications at extremely high frequency bands
After the introduction of the fifth-generation technology standard for broadband cellular networks (5G), engineers worldwide are now working on systems that could further speed up communications. The next-generation wireless communication networks, from 6G onward,...
A space-time coding metasurface antenna for efficient and secure communications
Antennas that can couple guided waves emitted from different sources in free space and manipulate these waves are crucial to the development of numerous technologies, including wireless communication, optical communication and ranging systems. Metasurfaces, thin films...
Researchers realize a printed millimetre-wave modulator and antenna array for backscatter communications
The number of smartphones, laptops and other devices connected to the internet is continuously increasing. This expanding network of connected devices, also known as the Internet of Things (IoT), entails the transfer of large amounts of data over the internet.
A system to produce context-aware captions for news images
Computer systems that can automatically generate image captions have been around for several years. While many of these techniques perform considerably well, the captions they produce are typically generic and somewhat uninteresting, containing simple descriptions...
Collaborative simultaneous localization and mapping technique uses available Wi-Fi networks
In recent years, research teams worldwide have developed new methods for simultaneous localization and mapping (SLAM). These techniques can be used to construct or update maps of a given environment in real time, while simultaneously tracking an artificial agent or...