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Briefs: Communications
Protograph-Based LDPC Bit-Interleaved Coded Modulation
Bandwidth and power-coded modulation schemes are very desirable for many applications in high-data-rate transmission over a given allocated bandwidth. The goal is to design such coded modulation system for a given throughput with the lowest possible signal-to-noise ratio for not only a channel...
Briefs: Communications
Flight Imagery Recorder Locator (FIRLo) and High-Temperature Radome
LDSD (Low Density Supersonic Decelerator) is a Mars EDL (entry, descent, and landing) Technology Development Project that launches three test vehicles out of the Pacific Missile Range Facility in Kauai. On the test vehicle, most mission science data can be recorded safely on land;...
Briefs: Communications
Policy negotiation is the process of determining the “best” communication protocol that satisfies all requirements of all parties involved. The main challenge here is how to reconcile the various (and...
Technologies: Communications
Electronic Firefighter Escape Trail
This technology uses recent advances in Radio Frequency Identification Devices, combined with smart software, to create an electronic firefighter evacuation trail...
News: Green Design & Manufacturing
Ocean Gliders Measure Melting Polar Ice
The rapidly melting ice sheets on the coast of West Antarctica are a potentially major contributor to rising ocean levels worldwide. Although warm water near the coast is thought to be the main factor causing the ice to melt, the process by which this water ends up near the cold continent is not well...
News: Electronics & Computers
Cockroach Biobots Detect Sound
North Carolina State University researchers have developed technology that allows cyborg cockroaches, or biobots, to pick up sounds with small microphones and seek out the source of the sound. The technology is designed to help emergency personnel find and rescue survivors in the aftermath of a disaster.The...
News: Electronics & Computers
Harness-Mounted Computer Improves Communication Between Dogs and Humans
North Carolina State University researchers have developed a suite of technologies that can be used to enhance communication between dogs and humans. The communication tool enables applications in search-and-rescue operations and pet training. “We’ve developed a platform...
INSIDER: Communications
Imagine a world in which your wristwatch or other wearable device communicates directly with your online profiles, storing information about your daily activities where you can best...
News: Electronics & Computers
Robots Restore Electricity After Power Outages
A team led by Nina Mahmoudian of Michigan Technological University has developed a tabletop model of a robot team that can bring power to places that need it the most.“If we can regain power in communication towers, then we can find the people we need to rescue,” says Mahmoudian, an assistant...
News: Electronics & Computers
University of Washington researchers have developed a new form of low-power wireless sensing technology that could soon let users “train” their smartphones to recognize...
News: Robotics, Automation & Control
NASA engineers and interns are testing a group of robots and related software that will show whether it's possible for autonomous machines to scurry about an alien world such as the Moon,...
News: Electronics & Computers
Astronauts to Test Free-Flying Robotic 'Smart SPHERES'
Three bowling ball-size free-flying Synchronized Position Hold, Engage, Reorient, Experimental Satellites (SPHERES) have been flying inside the International Space Station since 2006. These satellites provide a test bed for development and research, each having its own power, propulsion,...
News: Electronics & Computers
'Sensing Skin' Detects Damage in Concrete Structures
Researchers from North Carolina State University and the University of Eastern Finland have developed new “sensing skin” technology designed to serve as an early warning system for concrete structures, allowing authorities to respond quickly to damage in everything from nuclear facilities to...
News: Communications
Wireless System Paves Way for 'Electroceutical' Medical Devices
A wireless system uses the same power as a cell phone to safely transmit energy to chips the size of a grain of rice. The technology paves the way for new "electroceutical" devices to treat illness or alleviate pain.The central discovery is an engineering breakthrough that creates a...
News: Green Design & Manufacturing
Wireless Device Senses Chemical Vapors
A research team at the Georgia Tech Research Institute (GTRI) has developed a small electronic sensing device that can alert users wirelessly to the presence of chemical vapors in the atmosphere. The technology, which could be manufactured using familiar aerosol-jet printing techniques, is aimed at myriad...
Application Briefs: Communications
Monopropellant (hydrazine) thrustersAerojet RocketdyneSacramento, CA 916-355-4000 www.rocket.com
Aerojet Rocketdyne, a GenCorp company, played a vital role in placing the second of three...
Blog: Communications
Cyber-War – Have I Been Attacked?
Today we are pleased to have a guest blog on embedded device security from Alan Grau, president of Icon Labs.
In July of 2011, Bloomberg Business Week’s cover story was ”Cyber Weapons: The New Arms Race.” Media reports of cyber-attacks by China on military targets and military contractors are frequent and...
News: Sensors/Data Acquisition
Researchers Develop Rechargable, Wireless Brain Sensor
A team of neuroengineers based at Brown University has developed a fully implantable and rechargeable wireless brain sensor capable of relaying real-time broadband signals from up to 100 neurons in freely moving subjects. Several copies of the novel low-power device, described in the Journal of...
News: Communications
Wireless Telemetry System Captures Complex Flight of Dragonflies
Wireless Telemetry System Captures Complex Flight of Dragonflies Duke University electrical engineers have developed a wirelessly powered telemetry system that is light and powerful enough to allow scientists to study the intricate neurological activity of dragonflies as they capture...
News: Communications
Boosting Energy Efficiency of Multi-Hop Wireless Networks
Multi-hop wireless networks can provide data access for large and unconventional spaces, but they face significant limits on the amount of data they can transmit. North Carolina State University researchers have developed a more efficient data transmission approach that can boost the amount...
News: Energy
The U.S Department of Energy has recently announced up to $4 million available this year to accelerate the development and deployment of wireless charging systems for light-duty electric vehicles...
Briefs: Communications
Licklider Transmission Protocol Implementation
This software is an implementation of the Licklider Transmission Protocol (LTP), a communications protocol intended to support the Bundle Protocol in Delay-Tolerant Network (DTN) operations. LTP is designed to provide retransmission- based reliability over links characterized by extremely long message...
Application Briefs: Communications
The Communicator!® NXT™ emergency notification system Cassidian Communications (an EADS North America company) Temecula, CA 951-719-2100
Blog: Nanotechnology
Computers that Mimic the Brain
INSIDER reader Kenneth Polcak submitted a "Question of the Week" to his fellow design engineer pros:
INSIDER Product: Motion Control
Pepperl+Fuchs (Twinsburg, OH) introduces the EVM58 Ethernet IP Encoders available in single or multi-turn configurations. The rotary encoders provide absolute machine position or velocity feedback to the system controller...
Application Briefs: Communications
The Communicator! NXT emergency notification systemPlantCML, an EADS North America companyFranklin, TN951-719-2423 www.plantcml-eads.com
NASA will use...
Application Briefs: Communications
DICES Subsystem Multiplexer (Sub-MUX) communications equipment Quintron SystemsSanta Maria, CA 805-928-4343 www.quintron.com
NASA is installing Quintron’s Sub-MUX multi-channel...
Briefs: RF & Microwave Electronics
A 311-GHz Fundamental Oscillator Using InP HBT Technology
This oscillator uses a single-emitter 0.3-μm InP heterojunction bipolar transistor (HBT) device with maximum frequency of oscillation (fmax) greater than 500 GHz. Due to high conductor and substrate losses at submillimeter-wave frequencies, a primary challenge is to efficiently use the...
Articles: Communications
Communications engineers today must design to accommodate changing missions, shorter product lifecycles, and increasing computer power. As a result, they create hybrid systems that include...
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