GPS World's Receiver Design section offers exclusive daily news and analysis of GPS and GNSS receiver design, including simulators and system tests.
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Low-Complexity Spoofing Mitigation December 1, 2011
Most anti-spoofing techniques are computationally complicated or limited to a specific spoofing scenario. A new approach uses a two-antenna array to steer a null toward the direction of the spoofing signals, taking advantage of the spatial filtering and the periodicity of the authentic and spoofing...More>>
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Consumer GPS/GLONASS December 1, 2011
A one-chip multiconstellation GNSS receiver, now in volume production, has been tested in severe urban environments to demonstrate the benefits of multiconstellation operation in a consumer receiver. Bringing combined GPS/GLONASS from a few tens of thousands of surveying receivers to many millions...More>>
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Expert Advice: Test-Based Civil Receiver Certification December 1, 2011
Disaster-preparedness plans recognize the individual’s role in his or her own survival. When storms approach, have water, food, and basic survival gear on hand. It takes time for help to arrive. The civil GPS industry faces an oncoming storm of interference, and the receiver is the first line of...More>>
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Space-Time Equalization Techniques for New GNSS Signals October 1, 2011
Spatial and temporal information of signals received from multiple antennas can be applied to mitigate the impact of new GPS and Galileo signals’ binary-offset sub-carrier, reducing multipath and interference effects.More>>
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Blog
The Role of GNSS in SAR Formation Flying August 16, 2011
The Garada project, funded by the Australian Space Research Program, aims to establish an Australian space engineering capability to provide a disaster-monitoring earth observation system. Satellite-borne earth observation is very important for Australia and for other countries that need to monitor...More>>
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16-channel GPS Constellation Simulator March 4, 2011
Spectracom, a global provider of time and frequency test and measurement solutions, will make available its new 16-channel GPS constellation simulator, the Pendulum GSG-55, in March. The GSG-55 is the latest in the Pendulum line of GPS receiver test instruments and part of its solution set for...More>>
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Galileo Test Environment Open for Business February 14, 2011
The Galileo Test and Development Environment (GATE) in Berchtesgaden, Germany, officially opened on February 4. System operator IFEN GmbH announced GATE's availability for use by commercial and organizational entities seeking to test equipment with the coming Galileo signals.More>>
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 | News
Spectracom Introduces 16-Channel GPS Simulator for Receiver Testing January 31, 2011
Spectracom, a global provider of time and frequency test and measurement solutions, will make available its new 16-channel GPS constellation simulator, the Pendulum GSG-55, in March. The GSG-55 is the latest in the Pendulum line of GPS receiver test instruments and part of its solution set for...More>>
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GNSS RF Compatibility Assessment December 1, 2010
A comprehensive methodology combines spectral-separation and code-tracking spectral-sensitivity coefficients to analyze interference among GPS, Galileo, and Compass. The authors propose determining the minimum acceptable degradation of effective carrier-to-noise-density ratio, considering all...More>>
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News
October 1 is Deadline for UPINLBS-2010 Conference Registration September 28, 2010
The deadline for registration is October 1 for the international Ubiquitous Positioning, Indoor Navigation, and Location Based Service conference (UPINLBS-2010), sponsored by the Finnish Geodetic Institute. The conference includes sessions on multi-constellation GNSS issues, wireless network and...More>>
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