Anatech Electronics Newsletter - May 2017

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Anatech Electronics, a manufacturer of RF and microwave filters, has published its May newsletter. As always, it includes both company news and some tidbits about relevant industry happenings. In it, Sam Benzacar discusses, among other topics, the challenge the Department of Defense will have with commercial services looking to operate in the millimeter-wave bands for 5G, where military satellite and radars now operate without significant threat of interference. He also mentions research in progress that allows Wi-Fi to generate 3D tracking maps of user movement within a router's signal range. Anatech's business is to make certain that system and circuit designers have capable filters available to assure successful implementation.

A Word from Sam Benzacar

Anatech Electronics Newsletter for May 2017 (Sam Benzacar) - RF Cafe

More Interference for DoD on the Way?

By Sam Benzacar

As we've noted before in this column, the Department of Defense faces interference challenges at least as daunting as the commercial wireless industry. This situation looks likely to become even more challenging in the future because military radar and satellite communication systems operate at frequencies well into the millimeter-wave region, which is precisely where the fifth generation of cellular is headed. In addition, the FCC's recent successful spectrum auction has given T-Mobile significant assets at 600 MHz, which is the figure shows covers almost the entire United States. Others gained 600 MHz spectrum as well.

More Interference for DoD on the Way? - RF CafeThis is obviously not the first time the DoD has had to contend with services encroaching on its allocated frequencies. However, even though frequency sharing will be employed at the millimeter-wave frequencies where military satellite communications systems operate, the potential for interference still exists. And allocations below 1 GHz are already so densely populated that even if the fundamental frequencies don't create problems, harmonics and spurious signals quite possibly will.

It's not an insignificant problem for a mission-critical resource such as the military, and it will inevitably require DoD to step up its spectrum monitoring activities in an attempt to ensure that interference doesn't cause major problems. However, it will also inevitably need what RF and microwave filters have always delivered--extremely high levels of interference rejection, not just for systems and development but for those in the field. In the latter case, filters represent the only viable way to cost-effectively mitigate interference, as a complete redesign is obviously not feasible. Fortunately, filters have a long track record of fending off interference effectively at frequencies throughout the electromagnetic spectrum.

Anatech Electronics also has a long track record of solving interference problems for defense systems on the ground, in the air, and aboard ships. We offer standard filters for every frequency range used by DoD, the Department of Homeland Security, and other defense-related organizations. We also have the ability to design custom filters in a short time as we've created a library of more than 5,000 filter designs that can be easily modified for any requirement.

So, please call us at (973) 772-4242 or by email at sales@anatechelectronics.com.

What's News

Researchers: Wi-Fi Can See Into Your Home

Scientists at the Technical University of Munich have determined that it's possible to use a Wi-Fi signal to create three-dimensional images of an area and the objects and people inside. The researchers say the capability allows buildings to be scanned and individuals to be tracked indoors, while also being able to find people buried in avalanches or earthquakes. The discovery was achieved by using a holographic imaging process that shows the ability of a Wi-Fi transmitter to generate three-dimensional images of the surrounding environment. The holograms project an image that similar to that of peering through a window.

Security for Mission-Critical IOT

Security for Mission-critical IOT - RF CafeA new standard for narrowband data for mission-critical IoT communications has backing from an industry association and is behind a new service launch. The standard was developed with input from the WiMAX Forum, the Electric Power Research Institute (EPRI), the Utilities Technology Council, and industry users and suppliers. The existing WiMAX standard (IEEE 802.16e) will be amended to support channel sizes between 100 kHz and 1.25 MHz, replacing channel sizes beginning at 1.25 MHz. Full Spectrum, Inc., plans to create a network service for mission-critical IoT based on the new 0802.16s standard that it will launch first in the New York City area, as well as some areas within New York State, Connecticut, New Jersey, and Pennsylvania by the third quarter of this year.

AT&T, which will create the first nationwide public safety broadband network in the U.S., has been rapidly developing plans it was awarded the $46.5 billion contract by FirstNet. AT&T's existing network infrastructure will be used and the company says it will deploy an additional 40 MHz of commercial spectrum to complement the 20 MHz of FirstNet spectrum at 700 MHz. AT&T's partners include Motorola Solutions, General Dynamics, Sapient Consulting, and Inmarsat Government. A draft of the team's implementation plans is expected in draft form next month.

Verizon, Cisco, and Samsung Test 5G in Michigan

Verizon is conducting a 5G network trial Ann Arbor, Mich., with Cisco and Samsung and plans to test fixed wireless 5G in 11 U.S. markets this year to validate the technology in various settings and with varying vendor support. Samsung provided its virtual radio access network solution, base station, and home router equipment, and Cisco provided a virtual packet core. The companies worked on interoperability testing between the core and radio networks and user devices. Function virtualization of the 5G network is also being tested, which a major element of the fifth generation of wireless.

Check out Our Filter Products

Anatech Electronics Cavity Band Pass Filters       Anatech Electronics LC Bandpass Filters - RF Cafe       Anatech Electronics Cavity Bandpass/Notch Filters - RF Cafe
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About Anatech Electronics

Anatech Electronics, Inc. (AEI) specializes in the design and manufacture of standard and custom RF and microwave filters and other passive components and subsystems employed in commercial, industrial, and aerospace and applications. Products are available from an operating frequency range of 10 kHz to 30 GHz and include cavity, ceramic, crystal, LC, and surface acoustic wave (SAW), as well as power combiners/dividers, duplexers and diplexers, directional couplers, terminations, attenuators, circulators, EMI filters, and lightning arrestors. The company's custom products and capabilities are available at www.anatechelectronics.com.

Contact:

Anatech Electronics, Inc.
70 Outwater Lane
Garfield, NJ 07026
(973) 772-4242
sales@anatechelectronics.com

 

 

Posted May 18, 2017