Electronics & Software

Communications

News : Sensors/Data Acquisition
Beach Buoys Detect Water Contamination

Beachgoers may soon be able to know in a timely manner if the water is clean enough for swimming. The technology comes in the form of buoys that are deployed in the water near a beach. By combining statistical models with real-time data gathered by sensors embedded in the buoys, they provide quick and...

Articles : Communications
The Synergy of Engineering

At the Hannover Messe trade fair in Germany, Eplan Software & Service, with its affiliate company Cideon, introduced Syngineer, an innovative communication and information platform that integrates mechanical engineering, software engineering, and controls engineering through one mechatronic structure. Eplan, a...

Articles : Automotive
IoT Drives Demand for Automotive Circuit Protection Solutions

In the past, automobiles were made up of many independent electronic systems. Even the assembly lines that were used to manufacture the vehicles required the operation and management of multiple independent systems. However, the advent of the Internet of Things (IoT) has changed...

News : Photonics/Optics
Manufacturing Optical Chips with Multiple Purposes

Researchers are at the forefront of a revolution in microwave photonics, developing the first all-purpose programmable optical chips. Optical chips or processors are used in everything from biomedical devices to telecommunications networks. As it stands, each chip has to be custom designed and...

Briefs : Communications
Mini-Stamp as a Micro-Display for At-a-Glance Subsystem Information for DSN Links

Operators of the Deep Space Network (DSN) attend to numerous tasks with the overall goal of providing continuous support for the world’s deep space missions. This high-stakes operations environment requires operators to understand the state of the DSN and predict...

Briefs : Communications
Command and Data Handling for the Magnetospheric Multiscale Mission

The Magnetospheric Multiscale (MMS) mission is the fourth mission of the Solar Terrestrial Probes (STP) program. The MMS mission, consisting of four identically instrumented spacecraft, will use Earth’s magnetosphere as a laboratory to study magnetic reconnection, a...

Briefs : Communications
Ka-Band Parabolic Deployable Antenna (KaPDA)

CubeSats provide the ability to conduct relatively inexpensive space missions. Over the past several years, technology and launch opportunities for CubeSats have exploded, enabling a wide variety of missions. However, as instruments become more complex and CubeSats travel deeper into space, data...

Briefs : Communications
Confidence Intervals for the Bit Error Rate of Coded Communications Systems

The bit error rate (BER) is a wellunderstood metric for measuring communications system performance. When a system is not amenable to analytical performance analysis, a Monte Carlo simulation is often used to determine the performance. In such simulations, it is...

Briefs : Communications
Final High-Fidelity Down-Conversion Source for Secure Communications Using On-Demand Single Photons

Secure communication over long distances requires robust encryption. While current encryption algorithms exist using classical methods, there are no unconditionally secure methods of distributing encryption keys classically. However, by exploiting...

Briefs : Communications
Space Telecommunications Radio System Memory Test Application

This software provides a portable, flexible memory testing application meeting the NASA Space Telecommunications Radio System (STRS) specification. As an STRS-compliant application, the tester application is portable to any STRS-compliant hardware/software platform. Thanks to...

Briefs : Communications
Functional Enhancements to the FPGA Implementation of the Advanced Orbiting System Data Link Protocol

Dynamic frame sizing was added to the existing AOS Packet Service FPGA implementation. This capability provides in-flight system calibration functionality, allowing the spacecraft and ground station the means to optimize a communication link by...

Briefs : Communications
Communication System and Method Over High-Latency, Low-Bandwidth Networks

In high-latency, low-bandwidth networks such as those employed when communicating with an extraterrestrial object via wireless communication over hundreds or thousands of miles, it may be difficult or expensive to communicate large quantities of information in a reliable...

Briefs : Communications
CASH: Framework for Streamlined, Daily Updates

Secure, efficient, and effective communication is critical for the multinational Cassini mission to Saturn. Cassini teams share information through the use of internal Web pages. The challenge was to develop dynamic Web pages that did not require special understanding of HTML complexities and the...

Briefs : Communications
SCaN Optical Link Budget Tool

In response to the requirements of the Space-Based Relay Study (SBRS) undertaken by NASA in 2013, as well as the Integrated Radio and Optical Communications (iROC) project being conducted by NASA Glenn Research Center (GRC) beginning in 2012, a calculation procedure was required to rapidly assess the operation of...

News : Aerospace
Positioning Systems Improve Airport Logistics

Tow tractors, pushback tractors, tankers, luggage carts, air cargo, and catering vehicles crowd airport aprons. Poor weather conditions impede work on the apron even more. Researchers at the Fraunhofer Institute for Factory Operation and Automation IFF in Magdeburg are part of the EU project...

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