TAG: interference

Expert Opinions: Buyers’ need for GNSS receiver testing, certification

August 29, 2016By
Dana-Goward

Q: Buyers get little guidance as to how specific receivers react to interference, particularly in critical infrastructure. Is there a need for receiver testing and certification along the lines of Underwriters Laboratories to guide purchase and acquisition? A: Exhaustive “seven-nines” testing and verification is expensive, takes a long time and stymies innovation. Yet simple and pragmatic testing can reveal faults... read more

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GNSS Interference Detection and Mitigation for UAV Navigation

July 15, 2016By

Sponsored by: Loctronix Corporation Broadcast Date: Thursday, May 22, 2014 Host: Dr. Michael B. Mathews, CEO and Founder, Loctronix Corporation Speakers: Franck Boynton, Vice President and CTO, NavtechGPS; Peter F. MacDoran, Chief Scientist, Loctronix Corporation; Michael O. Davies, Senior Engineer, Loctronix Corporation Summary: The need for robust, highly-reliable, navigation information in GNSS-denied environments is fast becoming a critical issue for unmanned aerial... read more

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Directions 2016: GLONASS priorities — improved accuracy and reliability

December 15, 2015By
Sergey Karutin, GLONASS designer general (left); Nikolay Testoyedov, director general, SC Information Satellite Systems (center); and Andrey Tyulin, director general, SC Russian Space Systems.

At the present stage of GLONASS development, the major research and development foci include not only activities aimed at enhanced accuracy, availability and integrity of navigation, but also theoretical and practical efforts focused at ensuring resilience of navigation (interference mitigation). read more

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Federal Register Notice Seeks Comments on GPS L1 Band Interference Test Plan

September 9, 2015By
Federal-Register-logo

UPDATE (9/10/15): A public workshop will be held in Washington, D.C., on Oct. 2 to provide an opportunity to discuss the draft test plan and address questions before the close of the public comment period.  The workshop will be held in the RTCA NBAA/Colson Room, 1150 18th St. NW, Suite 910, Washington, D.C., 20036. Click here to register for the workshop. The U.S. Department of... read more

NTLab Launches GNSS RF Front-End with Reduced Power Consumption

November 12, 2014By

NTLab, a fabless microelectronic company based in Belarus, is offering the NT1051 dual-channel multi-frequency (L1/L2/L3/L5) mutli-system (GPS/GLONASS/Galileo/BeiDou) RF front end. Manufactured in 0.18 um TSMC BiCMOS technology, it provides operability of the GNSS receiver even if interference power is 120-dB higher than the satellite signal. The chip was designed to bring benefits of high-grade GNSS receivers to portable devices. To allow reliable... read more

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Danger, Will Robinson! Beware the IMES of Japan

October 8, 2014By
IMES-1-B

In May 2011, Dinesh Manandhar and Hideyuki Torimoto of GNSS Technologies, Inc., Japan, penned a very interesting article in GPS World titled – Opening Up Indoors: Japan’s Indoor Messaging System, IMES. The opening paragraph of their lengthy article seemingly describes the Holy Grail for the indoor positioning lobby: “An indoor messaging system (IMES) has been developed to meet the challenges of indoor... read more

Loctronix Advances GNSS Integrity Monitoring with HGX Interference Detection System

September 10, 2014By

Loctronix Corporation, a provider of positioning, navigation, and timing (PNT) solutions for GNSS-challenged environments, has unveiled the HGX Interference Detection System (IDS) for identifying and monitoring intentional and unintentional interference sources. The IDS is being demonstrated September 10-11 at ION GNSS+ 2014, in Tampa, Florida. “The IDS can detect sources of interference ranging between 5 dB and 60 dB GNSS jamming to signal... read more