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Radios

Industry news, new products, and technical information about low-power, low-data-rate wireless networking.


News
GE Transportation Selects Summation Research Radios   December 2, 2009

The multi-mode UHF/VHF data radios will be used for both legacy analog and advanced digital needs for GE's LOCOTROL system for railway systems.More>>

Article
Next-Generation Sensor Networks using Energy Harvesting and Ultra-Low-Power Wireless   July 1, 2009

Power consumption is a central design consideration for wireless sensor networks whether they are powered using batteries or energy harvesters. Vital to success for either approach, however, is the need for hardware that uses power intelligently.More>>

Article
Wireless Seismic and Volcanic Monitoring in Ecuador   January 1, 2009

Using robust radios coupled with a variety of sensors, geophysicists in Ecuador have implemented real-time monitoring systems for the country's volcanoes and other seismically active areas, leading to improved knowledge and public safety.More>>

Article
Automating Pipeline Integrity Monitoring   August 1, 2008

Cathodic protection devices have been used for decades to monitor steel pipes for corrosion. A new family of radios is designed to automate this process, connecting directly to the corrosion monitoring system.More>>

Article
Sensors and Privacy   November 1, 2006

A survey of more than 700 IEEE Fellows, done by the Institute of Electrical and Electronics Engineers in conjunction with the Institute for the Future, sought to learn what science and technology developments are most likely to take hold within the next 10 to 50 years.More>>

Article
Tracking Cows   October 1, 2006

Beef is big business, more than $50 billion/year, in fact. So, it goes without saying that tracking cows is important, especially in the wake of BSE (bovine spongiform encephalopathy a.k.a. mad cow disease) and other animal diseases. The USDA is developing the National Animal Identification System...More>>

Article
Wireless Signal Congestion: Whatever Happened to Peaceful Coexistence?   October 1, 2006

There was significant channel congestion and the wireless systems didn't always function as the exhibitors had hoped.More>>

Article
Build a DSSS Radio-Part 2   September 1, 2006

Last month you got me started on building a direct sequence spread spectrum (DSSS) transceiver. You covered the transmitter discussion and promised to come back to explain the receiver and error-correction code.More>>

Article
Investments Yield RFID Progress   September 1, 2006

It's clear that developers see RFID-and-sensor networks as a key growth area. A sampling of recent developments in tags (sidebar) and infrastructure prove it.More>>

Article
How To Build a DSSS Radio   August 1, 2006

The Do-It-Yourself DSSS TransceiverMore>>