Understanding the Vulnerability in Wireless Backhaul Networks for 5G

A research team led by Rice University’s Edward Knightly has uncovered an eavesdropping security vulnerability in high-frequency and high-speed wireless backhaul links, widely employed in critical applications such as 5G wireless cell phone signals and low-latency financial trading on Wall Street. Read on to learn more.

Nanoscale Device Points the Way to Future Wireless Communication Channels

In a paper published in the journal Nature Nanotechnology, a team of Caltech engineers reports building a metasurface patterned with miniscule tunable antennas capable of reflecting an incoming beam of optical light to create many sidebands, or channels, of different optical frequencies. Read on to learn more.

A Digital Twin Can Predict What Data Wireless Users Will Need Before They Need It

Researchers have developed a new method for predicting what data wireless computing users will need before they need it, making wireless networks faster and more reliable. The new method makes use of a technique called a “digital twin,” which effectively clones the network it is supporting. Read on to learn more.

Enabling High-Capacity Space Communication

Researchers have achieved data rates as high as 424Gbit/s across a 53-km turbulent free-space optical link using plasmonic modulators — devices that uses special light waves called surface plasmon polaritons to control and change optical signals. The new research lays the groundwork for high-speed optical communication links that transmit data over open air or space. Read on to learn more.

Unlocking the Next Generation of Wireless Communications

With a goal to revolutionize cellular communications, Penn engineers have developed an adjustable filter that can successfully prevent interference, even in higher-frequency bands of the electromagnetic spectrum. Read on to learn more about the matter.

3D Processors May Revolutionize Wireless Communication

Scientists have pioneered a method for using semiconductor technology to manufacture processors that significantly enhance the efficiency of transmitting vast amounts of data across the globe. The innovation is poised to transform the landscape of wireless communication. Read on to learn more.

Wireless Sensor Networking for the IIoT

The Industrial Internet of Things — sharing, collecting, and analyzing information across a complete manufacturing enterprise — can significantly enhance the bottom line. Not only in monetary terms but also in the quality and reliability of the products and the ability to deliver them on time.

New Wireless System for Greater 5G Access

A new paper on wireless connectivity from researchers at the lab of Dinesh Bharadia, an affiliate of the UC San Diego Qualcomm Institute (QI), introduces a new technique for increasing access to the 5G-and-beyond millimeter wave (mmWave) network.

An Energy-Efficient Method to Monitor Soil Moisture

The University of Maine’s Wireless Sensor Networks laboratory has developed a novel method of using AI and machine learning to make monitoring soil moisture more energy and cost efficient.

LoRaWAN - Designed for Wireless Sensor Networking

Learn about LoRaWAN networking as a solution for connecting wireless sensors at long distances, while extending battery life.

Five Tips for Optimizing 5G Private Network Signals

In the coming years, the wireless communications segment will expand significantly as 5G private networks launch.

High-Bandwidth Communications Device

This device could pave the way to higher-bandwidth wireless communications.

Smartphone-Powered Microchip Enables At-Home Medical Diagnostic Testing

The innovation opens the door for faster and more affordable at-home medical testing.

Three-Dimensional Electronic Flying Microchip

Engineers have added a new capability to electronic microchips: flight. About the size of a grain of sand, the new flying microchip (microflier) does not have a motor or engine. Instead, it catches...

Optical De-Multiplexing Method for QKD Encryption

Classical laser communication gimbals are coupled to 105um multimodal receiving fibers for the high-power transmission of data, fine pointing, and tracking. These fibers cannot be used in free...

Topological Control Capabilities for 5G Communications

A new research focusing on topological control capabilities in an integrated acoustic-electronic system at technologically relevant frequencies could pave the way for additional research on...

Materials for Next-Generation LED-Based Data Communications

Light-emitting diode (LED)-based communications techniques allow computing devices, including cellphones, to communicate with one another using infrared light. However, LED techniques...

Electronic Skin Powered by Sweat Serves as Human-Machine Interface

Researchers have developed electronic skin (e-skin) that is applied directly on top of real skin. Made from soft, flexible rubber, it can be embedded with sensors that monitor...

5G Strobe Light: NIST Imaging System Spotlights the Tiny Mechanical Hearts at the Core of Every Cellphone

Inside every cellphone lies a tiny mechanical heart, beating several billion times a second. These micromechanical resonators play an...

The Many Benefits of Smart IIoT Connected Factories

Automation can crumble, even when only one cog is loose, says Brad Walters from Monnit.

Computer Vision App for Monitoring Diabetes

The mobile phone app enables regular monitoring of glucose levels in people with diabetes.

Wirelessly Power Multiple Wearable Devices Using a Single Source

Researchers successfully demonstrated the use of the human body as a medium for transmitting and harvesting energy to power wearables.

Charging Room System Provides Electricity Over the Air

In-wall capacitors power lights, phones, and laptops without wires.

Products of Tomorrow

Breath-regulating garments, humidity sensors, thin-film antennas, and more.

Vote for Tech Briefs Product of the Year 2021

These 12 products are the nominees for the 2021 Tech Briefs Readers’ Choice Product of the Year.

Method Recharges an Electric Car as it Drives

This practical technique uses magnetism to transmit electricity wirelessly to recharge electric cars, robots, or drones.

Thin-Film, High-Frequency Antenna Array for Wireless Communications

The phased array antenna based on large-area electronics technology could enable many uses of emerging 5G and 6G wireless networks.