Students at a small public school in West Virginia are unable to use Wi-Fi because it could interfere with a giant radio telescope located nearby—a restriction that could spell trouble when the state completes its move to an online-only standardized aptitude test within the next two years. Located within the U.S. National Radio Quiet Zone and protected by the Appalachian … [Read more...]
Father of Modern Cell Phone Reflects on Current and Future Developments, Decades After First Cell Phone Call
Yesterday marked the fortieth anniversary of the world’s first public cell phone call by Motorola engineer Marty Cooper to Joel Engel, head of rival research department Bell Labs. The call was placed on a Motorola DynaTAC 8000x, which weighed approximately 2.5 pounds—about ten times the weight of the average modern cell phone—in front of the New York Hilton on Sixth … [Read more...]
Millimeter Wave Market to Surpass $1 Billion by 2018
Texas-based market research company and consulting firm Markets and Markets has released a report that suggests the millimeter wave market could reach roughly $1.2 billion by 2018. According to the report, titled "Millimeter Wave (MM Wave) Market - By Technology, Components (Frequency, Imaging, Radio); Products (MM Scanners, MM RADARs, MM Macro/Small Cell Backhaul); … [Read more...]
Acoustic Time Delay Device Could Reduce Size, Cost and Complexity of Current Phased Array Systems
Researchers from the Georgia Institute of Technology in Atlanta, Ga. have developed a new device that could help reduce the size, cost, complexity and power requirements of current phased array technology. Modern radar systems are depending increasingly on phased-array antennas—a design in which signal beams are directed electronically by grids of solid state … [Read more...]
FCC Releases Whitepaper on Licensed and Unlicensed Spectrum Available for Mobile Broadband Services
The Federal Communications Commission (FCC) has released a white paper that examines international comparisons of licensed and unlicensed spectrum available for mobile broadband services. The whitepaper, “The Mobile Broadband Spectrum Challenge: International Comparisons,” covers how different countries are actively working towards satisfying the growing demand for mobile … [Read more...]
Permanent Outdoor Wireless Mobility Test Track for Test and Development of Mobile Communications Infrastructures Completed
Firetide, a provider of high-performance wireless infrastructure mesh networks, has collaborated with California State University at Monterey Bay (CSUMB) to design and install “the world’s first” permanent outdoor wireless mesh networking facility “dedicated to the research, development and testing of new mobile communications infrastructures.” According to the company, the … [Read more...]
Google Launches White Spaces Trial for Wireless Broadband
A six-month trial in South Africa will test the feasibility of offering wireless broadband over a white space network, Google announced earlier this week. In cooperation with several organizations in South Africa, Google will provide 10 schools near Cape Town with wireless broadband over white spaces—sections of unused spectrum between frequencies reserved for broadcast TV … [Read more...]
Double-Ridged Horn Antenna for Radiated Emissions and Immunity Applications
Teseq Inc., a developer of instrumentation and systems for EMC emission and immunity testing, has released the PMM DR-01 double-ridged horn antenna for radiated emissions and immunity applications. The corrosion-resistant PMM DR-01 antenna measures approximately 2.2 in x 1.7 in x 5.4 in and features individual calibration and a nominal impedance range of 50 ohms. According to … [Read more...]
Maine at the Forefront of National EMP Protection Debate
Recent legislation introduced in Maine has demonstrated the aggressive stance the state has adopted on a topic Washington remains reluctant to address—defending against the possibility of a natural or man-made electromagnetic pulse capable of disabling the country’s electrical grid system. Introduced by Rep. Andrea Boland, LD-131 was taken up by the Joint Standing Committee on … [Read more...]
Iran and GCC Countries Reach New Agreement on Frequency Use to Prevent Inter-Country Mobile Interference
The Ministry of State for Communications (MoSC) has announced Iran and the Gulf Cooperation Council (GCC) countries—Bahrain, Kuwait, Oman, Qatar, Saudi Arabia and the United Arab Emirates—have developed a new arrangement on the use of specific frequency bands to prevent accidental interference. The new agreement will supplement previous technical and administrative measures put … [Read more...]
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