Overcoming Multipath Propagation

A research team has designed a passive metasurface-based filtering system that breaks free from LTI constraints through an innovative time-varying interlocking mechanism. The design incorporates metasurface panels with internally coupled circuit elements, including metal-oxide-semiconductor field-effect transistors (MOSFETs). 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.

Portable Laser-Guided Robotic Metrology (PLGRM)

Innovators at the NASA Glenn Research Center have developed the PLGRM system, which allows an installed antenna to be characterized in an aircraft hangar. All PLGRM components can be packed onto pallets, shipped, and easily operated.

New Phase Shifter to Reduce Antenna Signal Loss

Researchers at the University of Birmingham have developed a new type of high-performance “phase shifter” using a liquid gallium alloy — which varies the phase angle of microwave and millimeter-wave radio signals — for use in advanced phase array antenna systems.

Lightweight, Self-Deployable Helical Antenna

NASA's newly developed antenna is lightweight (at or below 2 grams), low volume (at or below 1.2 cm3), and low stowage thickness (approx. 0.7 mm), all while delivering high performance (at or above 10 dBi gain).

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.

RFID Slot Antenna Offers Big Performance, Small Form Factor

Innovators at NASA Johnson Space Center have developed a quarter-wavelength RFID slot antenna that provides polarization diversity and employs dual resonances, but in a form factor that is much smaller than other RFID antennas that provide similar functionality.

Rapidly Configuring Robots for Lunar Exploration

A team of MIT engineers is designing a kit of universal robotic parts that an astronaut could easily mix and match to rapidly configure different robot “species” to fit various lunar missions.

Modular and Reconfigurable Robots for Assembly of Structures

In-space and planetary surface assembly for human exploration is a challenging domain that encompasses various technological thrusts to support human missions.

Robot Overcomes Uncertainty to Retrieve Buried Objects

A new robotic system fuses visual information and radio-frequency signals to efficiently find hidden items buried under a pile of objects.

Automated Fabric Circuit and Antenna Fabrication

The technology allows for higher surface conductivity, improved impedance control, expanded design and application potential, and greater choice of materials for optimized performance.

Products of Tomorrow

This column presents technologies that have applications in commercial areas, possibly creating the products of tomorrow.

Autonomous Assemblers Assemble

In-space and planetary surface assembly for human exploration is a challenging domain that encompasses various technological thrusts to support human missions. NASA is developing autonomous assembly agents to...

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...

Terahertz Energy Focused by Credit Card-Sized Device to Generate High-Resolution Images

Researchers have created a device that enables them to electronically steer and focus a beam of terahertz electromagnetic energy with extreme precision....

Products of Tomorrow

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

Agile RFID Antenna System

Applications include manufacturing/assembly line tracking, industrial transportation and logistics, and healthcare.

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.

Optimizing Wireless Test Systems and Antennas for High-Speed Communication

Easy-to-use reverberation test systems (RTS) measure the performance of wireless devices and antennas.

Robot Locates and Retrieves Buried Items

This robotic arm fuses data from a camera and antenna to locate and retrieve items buried under piles and completely out of view.

Products of Tomorrow

Nanotube fibers that turn heat to power; a NASA antenna system; and an antimicrobial coating.

Multiplexed Optical Antennas

These antennas dramatically increase the amount of information that can be simultaneously transmitted by a coherent light source.

Conformal, Lightweight, Aerogel-Based Antenna

The flexible antenna was designed for active aeronautical satellite communications.

Nanosized Foldable Robots

The machines fold themselves within 100 milliseconds and can flatten and refold thousands of times.

Evaluating Low-and Ultra-Low-Outgassing Silicones for Space Applications

Highly purified, low-outgassing silicones prevent material degradation in satellites and space vehicles.

New Materials Boost Efficiency and Stability of Optical Rectennas

The improved rectennas could operate low-power devices such as temperature sensors.

Novel Antenna Concept for CubeSat Platforms

While this technology was designed for CubeSats, it may be utilized in any technology that utilizes a structural frame, such as drones.

Toroidal Radiation Pattern Patch Antenna

The antenna is designed for use in extreme conditions such as outer space.