Communications

Access our comprehensive library of technical briefs on communications, from engineering experts at NASA and major government, university, and commercial laboratories.

Briefs : Sensors/Data Acquisition
WiFi-Based Technique Measures Speed and Distance of Indoor Movement
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.
WiFi-Based Technique Measures Speed and Distance of Indoor Movement
Briefs : RF & Microwave Electronics
Method Enables Robots to Exchange Directed Messages
Method Enables Robots to Exchange Directed Messages

A novel approach was developed to improve communications range and allow for covert behavior using a team of robots for future multi-domain operations. Specifically, researchers...

Method Enables Robots to Exchange Directed Messages
Briefs : Manufacturing & Prototyping
Researchers Turn off Backscattering, Aim to Improve Optical Data Transmission
Researchers Turn off Backscattering, Aim to Improve Optical Data Transmission

Engineers at the University of Illinois have found a way to redirect misfit light waves to reduce energy loss during optical data transmission. In a study,...

Researchers Turn off Backscattering, Aim to Improve Optical Data Transmission
Briefs : Data Acquisition
Software Applications for the Control and Management of the Amine Swingbed Experiment

The Swingbed software applications provide for the control, command, fault detection, fault recovery, and telemetry monitoring aspects of the Amine Swingbed experiment. These software components are the Swingbed Loader Computer Software Configuration Item...

Briefs : Electronics & Computers
Wireless Transceiver Quadruples Speed of 5G
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...

Wireless Transceiver Quadruples Speed of 5G
Briefs : Defense
Technique Locates Robots and Humans in GPS-Challenged Environments

An algorithm enables localization of humans and robots in areas where GPS is unavailable. The Army needs to be able to localize agents operating in physically complex, unknown, and infrastructure-poor environments. This capability is critical to help find dismounted soldiers and...

Briefs : Communications
Multi- and Wide-Band Single-Feed Patch Antenna

A novel patch antenna technology was developed that provides significant benefits to NASA satellite communication applications, offering a unique wide-band/multi-band operating capability. For other non-space applications, the antenna design also offers broadband capability with high gain for...

Briefs : Semiconductors & ICs
Antenna Near-Field Probe Station Scanner

Antenna characterization techniques are often expensive and time-consuming. NASA’s Glenn Research Center developed a highly versatile and automated system to perform characterization of single or multiple small circuit antennas, printed on-wafer or on other substrates, by measuring the antenna’s...

Briefs : RF & Microwave Electronics
Self-Configurable Radio Receiver System and Method

A self-configurable radio receiver system was developed for relaying communication signals from multiple deep space assets. Most conventional radio receivers are hardwired to receive a specific type of signal and are incapable of receiving other types of signals without preconfiguration...

Briefs : Communications
Soft, Wearable Health Monitor with Stretchable Electronics
Soft, Wearable Health Monitor with Stretchable Electronics

A soft and conformable health monitor can broadcast electrocardiogram (ECG), heart rate, respiratory rate, and motion activity data as much as 15 meters to a portable recording...

Soft, Wearable Health Monitor with Stretchable Electronics
Briefs : Sensors/Data Acquisition
Terahertz Data Links Without Direct Line of Sight
Terahertz Data Links Without Direct Line of Sight

Today’s cellular networks and Wi-Fi systems rely on microwave radiation to carry data but the demand for more bandwidth is quickly becoming more than microwaves can handle. That has...

Terahertz Data Links Without Direct Line of Sight
Briefs : Communications
Laser-Pointing System Transmits Data from Tiny Satellites
Laser-Pointing System Transmits Data from Tiny Satellites

Since 1998, almost 2,000 shoebox-sized satellites known as CubeSats have been launched into space. Due to their small frame and the fact that they can be made from off-the-shelf...

Laser-Pointing System Transmits Data from Tiny Satellites
Briefs : Communications
Compact Antenna Enables Communication Where Radios Fail
Compact Antenna Enables Communication Where Radios Fail

A pocket-sized antenna was developed that could enable mobile communication in situations where conventional radios don’t work such as underwater, through the ground, and over very...

Compact Antenna Enables Communication Where Radios Fail
Briefs : RF & Microwave Electronics
Optical Distance Measurement at Record-High Speed
Optical Distance Measurement at Record-High Speed

Scientists of Karlsruhe Institute of Technology (KIT) and École Poly-technique Fédérale de Lausanne (EPFL) have reported that they achieved the fastest distance measurement attained so...

Optical Distance Measurement at Record-High Speed
Briefs : Internet of Things
Efficient Hexagonally Sampled Image Processing
Efficient Hexagonally Sampled Image Processing

It has been known since the early 1960s that hexagonal sampling is the optimal sampling approach for isotropically band-limited images, providing a 13.4% improvement in sampling efficiency over...

Efficient Hexagonally Sampled Image Processing
Briefs : Internet of Things
Wearable Monitor Continuously Measures Breath Rate and Volume
Wearable Monitor Continuously Measures Breath Rate and Volume

Researchers developed a wearable, disposable respiration monitor that provides high-fidelity readings on a continuous basis. It's designed to help children with asthma and cystic...

Wearable Monitor Continuously Measures Breath Rate and Volume
Briefs : Sensors/Data Acquisition
Implanted Wireless Nerve Stimulator
Implanted Wireless Nerve Stimulator

In 2016, UC Berkeley engineers demonstrated the first implanted, ultrasonic, neural dust sensors. Now, taking the next step, the smallest-volume wireless nerve stimulator was developed, called StimDust...

Implanted Wireless Nerve Stimulator
Briefs : Communications
Technology Produces Unclonable Digital Fingerprints for Internet of Things Devices
Technology Produces Unclonable Digital Fingerprints for Internet of Things Devices

Researchers have created technology that is 10 times more reliable than current methods of producing unclonable digital fingerprints that can be used to...

Technology Produces Unclonable Digital Fingerprints for Internet of Things Devices
Briefs : Test & Measurement
More Sensitive Measurement of Semiconductor Material Quality
More Sensitive Measurement of Semiconductor Material Quality

Accurately measuring semiconductor properties of materials in small volumes helps engineers determine the range of applications for which these materials may be suitable in the...

More Sensitive Measurement of Semiconductor Material Quality
Briefs : Sensors/Data Acquisition
Sensor Network for Air Vehicles
Sensor Network for Air Vehicles

Aircraft currently fly based on coarse estimations of environment and aircraft state. Real-time measurements are traditionally restricted to laboratory environments (e.g. wind tunnel) due to the size and...

Sensor Network for Air Vehicles
Briefs : Test & Measurement
Integrated Silicon Photonic Switch Demonstrates Lowest Signal Loss Ever in High-Speed Data Transmission
Integrated Silicon Photonic Switch Demonstrates Lowest Signal Loss Ever in High-Speed Data Transmission

Experimental photonic switches developed at UC Berkeley have shown promise toward the goal of fully optical, high-capacity switching for...

Integrated Silicon Photonic Switch Demonstrates Lowest Signal Loss Ever in High-Speed Data Transmission
Briefs : IoMT
New Electromyography Biofeedback Device
New Electromyography Biofeedback Device

Anew electromyography biofeedback device that is wearable and connects to novel smartphone games may offer people with incomplete paraplegia a more affordable, self-controllable therapy to enhance...

New Electromyography Biofeedback Device
Briefs : Communications
Single-Photon Detector for Potential Encryption and Sensing
Single-Photon Detector for Potential Encryption and Sensing

Light is widely used for communications, carrying phone conversations and video signals through fiber optic cables around the world in pulses composed of many photons. Single...

Single-Photon Detector for Potential Encryption and Sensing
Briefs : Software
Algorithm Predicts How Electromagnetic Waves Interact with Materials at the Smallest Scales

Magnetic materials can attract or repel each other based on their polar orientation — positive and negative ends attract each other, while two positives or two negatives repel. When an electromagnetic signal like a radio wave passes through such...

Briefs : Communications
Graphene-Silicon Devices for Optoelectronics Applications
Graphene-Silicon Devices for Optoelectronics Applications

Silicon is a naturally occurring material commonly used as a semiconductor in electronic devices; however, researchers have exhausted the potential of devices with semiconductors made...

Graphene-Silicon Devices for Optoelectronics Applications
Briefs : Communications
Monitor Babies in the NICU Without Wires
Monitor Babies in the NICU Without Wires

An interdisciplinary Northwestern University team has developed a pair of soft, flexible wireless sensors that replace the tangle of wire-based sensors that currently monitor babies in hospitals’...

Monitor Babies in the NICU Without Wires
Briefs : Communications
High-Performance, Current-Steering Digital-to-Analog Converter
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...

High-Performance, Current-Steering Digital-to-Analog Converter
Briefs : Imaging
Using Common WiFi to Detect Weapons, Bombs, and Chemicals in Bags
Using Common WiFi to Detect Weapons, Bombs, and Chemicals in Bags

Ordinary WiFi can easily detect weapons, bombs, and explosive chemicals in bags at museums, stadiums, theme parks, schools, and other public venues using a low-cost suspicious...

Using Common WiFi to Detect Weapons, Bombs, and Chemicals in Bags
Briefs : Communications
Wearable Devices Allow Direct Communication by Touch
Wearable Devices Allow Direct Communication by Touch

Emergency situations such as trying to escape heavy smoke from fire could leave the sense of touch as the only way to find an exit. Rather than trying to look at a smartphone screen, a...

Wearable Devices Allow Direct Communication by Touch
Briefs : RF & Microwave Electronics
Multiplexing of Wireless Surface Acoustic Wave Sensors
Multiplexing of Wireless Surface Acoustic Wave Sensors

The traditional approach for wireless sensors involves interrogators that communicate with each other (i.e., the two boxes “talk” to each other). In contrast, surface acoustic wave...

Multiplexing of Wireless Surface Acoustic Wave Sensors

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Collaborative Robot Applications in the Automotive Industry

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Metal 3D Printing

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Enhance Product Design and Dependability with Advanced Coating Technologies

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Rapid, Selective Volatile Emissions Testing for Vehicles and Components

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New Developments in Catheter Shaft Components – Part 2