Ultra-Low-Power WiFi Radio Enables IoT Devices

Housed in a chip, it lets IoT devices communicate with existing WiFi networks.

Terahertz Imaging System Uses Small, Efficient Lasers

The lasers are small and efficient enough to fit on a microchip.

High-Reliability Radio Frequency MEMS Switch

Applications include homeland security, vehicle anti-collision systems, telecommunications systems, and industrial instrumentation.

Atoms Can Receive Common Communications Signals

This atom-based receiver has the potential to be smaller and work better in noisy environments than conventional radio receivers.

Wireless Movement-Tracking System Uses Low-Power Radio Frequency Signals

In some cases, radio frequency signals may be more useful for caregivers than cameras or other methods to collect health and behavioral data.

WiFi-Based Technique Measures Speed and Distance of Indoor Movement

A technology uses a combination of WiFi signals and accelerometer technology to track devices in near-real-time.

Wireless Transceiver Quadruples Speed of 5G

A new wireless transceiver was developed that boosts radio frequencies into 100-gigahertz territory, which is quadruple the speed of the upcoming 5G, or fifth-generation, wireless communications...

Avoiding Electrical Damage with Conductive Lubrication

While most cars today run on 12-volt DC batteries, cars in the future will run on 48 volts. This increased voltage could affect ball bearing performance.

Magnetic Metamaterial Amplifies MRI

Magnetic resonance imaging (MRI) uses magnetic fields and radio waves to create images of organs and tissues in the human body, helping doctors diagnose potential problems or diseases. Doctors use MRI to...

High-Performance, Current-Steering Digital-to-Analog Converter

A current-steering digital-to-analog converter (DAC) was developed that achieves improved switching times (up to 75% faster) in high-speed (gigahertz), high-resolution (8-14...

The Teletenna — a Hybrid Telescope Antenna System

Innovators at NASA’s Glenn Research Center have developed a hybrid telescope antenna system — Teletenna — to deliver high-data-rate communication over great distances. Teletenna has...

Quantum Radio Aids Communications and Mapping

GPS signals do not penetrate very deeply or at all in water, soil, or building walls, and therefore can’t be used by submarines or in underground activities such as surveying mines. GPS also...

Ricocheting Radio Waves Monitor the Tiniest Movements

Infrared motion detectors can cover only a limited amount of space, a person has to be within the detector's line of sight to be detected, and lights can go off when a person remains...

Printable Metal Tags Turn Objects into Smart, Connected Devices

Printable metal tags have been developed that could be attached to everyday objects to turn them into “smart” Internet of Things (IoT) devices. The tags are made from...

5 Ws of Spray-On Antennas

Who

Manufacturers and users of wearables, functional fabrics, mobile devices, wireless routers, and Internet of Things devices.

What's Ahead for Machine Vision Cameras?

Throughout the history of the electronics industry, the old refrain that systems will continuously become faster, simpler, and cheaper has remained true. In the early days of computer vision, a frame...

Atomically Thin Device Transmits Signals Across a Broad Frequency Range

The challenge of miniaturizing devices and systems is also achieving a broader dynamic range of detection for small signals such as sound, vibration, and radio...

Artificial Intelligence Senses People Through Walls

Artificial intelligence (AI) has been used to teach wireless devices to sense people's postures and movement, even from the other side of a wall. RF-Pose uses a neural network to analyze...

Transmitter Protects Wireless Data from Hackers

Today, more than 8 billion devices are connected around the world, including medical devices, wearables, vehicles, and smart household and city technologies. Those devices are vulnerable to...

Rapidly Deployable Communications Platform

First responders often have trouble communicating with each other in emergencies. They may use different types of radios, they may be working in rural areas lacking wireless coverage, or they may be...

Air Force Research Laboratory

The Air Force Research Laboratory (AFRL), headquartered at Wright-Patterson Air Force Base in Ohio, was formed in October 1997 through the consolidation of four former Air Force laboratories and the Air Force...

Multi-Layer Wireless Sensor Construct for Use at Electrically Conductive Material Surfaces

NASA's Langley Research Center has developed a SansEC Sensor technology for use with aerospace fuel delivery systems. The SansEC technology is a...

Integrated Ultra-Wideband Tracking and Carbon Dioxide Sensing System

Recent findings indicate that frequent, short-term crew exposure to elevated CO₂ levels, combined with other physiological impacts of microgravity, may lead to a...

Tiny Injectable Sensor Could Provide Unobtrusive, Long-Term Alcohol Monitoring

Engineers at the University of California San Diego have developed a miniature, ultra-low power injectable biosensor that could be used for continuous, long-term...