From the Magazine

2016 Leadership Awards: A GNSS dream realized

December 6, 2016By
2016 GPS World Leadership Awards

The GPS World 2016 Leadership Awards were presented during a special ceremony and dinner at ION-GNSS+ 2016 in Portland in September. The awards recognize significant recent achievement in the fields of position, navigation and timing: satellites, signals, services and Products. The Leadership Dinner was sponsored by Harris, Rockwell Collins and Honeywell. Remarks by Alan Cameron, Editor and Publisher of GPS World... read more

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Galileo deals 4 of a kind

December 2, 2016By
The Kourou launch team.

An Ariane 5 heavy-lift rocket launched four full operational capability (FOC) Galileo satellites on Nov. 17, accelerating deployment of the new satellite navigation system. The rocket carried Galileo satellites 15–18 from Europe’s Spaceport in Kourou, French Guiana, into space, releasing the first pair 3 hours, 25 minutes after liftoff, while the second separated 20 minutes later. All four are at... read more

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Research: Algorithm based on BeiDou/GPS/IMU and anomalous driving detection

November 21, 2016By

By Rui Sun and Hongyang Bai, Nanjing University of Aeronautics and Astronautics, and Ke Han, Jun Hu and Washington Y. Ochieng, Imperial College London. Presented at ION GNSS+ 2016. An Integrated Algorithm Based on BeiDou/GPS/IMU and its Application for Anomalous Driving Detection This paper introduces an integrated algorithm for detecting lane-level anomalous driving. Lane-level high accuracy vehicle positioning is achieved... read more

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Research: Accelerating GNSS software receivers

November 16, 2016By
Diagram of Typical Code and carrier tracking loops in a GNSS receiver. Colored dotted-line boxes show functions implemented in SIMD technology. Lanes “16ic” are data streams whose items are complex numbers with real and imaginary components represented with 16-bit integers, whereas “32fc” indicates those with complex numbers with real and imaginary components in 32-bit floating point representation.

By Carles Fernandez–Prades, Javier Arribas and Pau Closas, Centre Tecnologic de Telecomunicacions de Catalunya, Spain. Presented at ION GNSS+, September 2016. This paper addresses both the efficiency and the portability of a computer program in charge of the baseband signal processing of a GNSS receiver. Efficiency, in this context, refers to optimizing the speed and memory requirements of the software... read more

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FAA releases National Airspace System Navigation Strategy

November 10, 2016By
pnt_nas-navigation-strategy-faa-2016

The United States Federal Aviation Administration (FAA) has released its Performance-Based Navigation (PBN) National Airspace System (NAS) Navigation Strategy 2016, the result of a concerted year-long effort by FAA and aviation industry stakeholders. It describes how the FAA intends to transition U.S. NAS operations over the near- (2016–2020), mid- (2021–2025) and far-term (2025–2030) from predominantly point-to-point navigation, reliant on hundreds... read more

Innovation: Precise positioning using raw GPS measurements from Android smartphones

FIGURE 8. Position estimates as in Figure 7 but with precise external ionospheric information.

Precision GNSS for everyone
In this month’s column, we take a look at some initial efforts to independently process smartphone measurements. How good are the results? Read on. read more

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Launchpad: Timing receiver, AR smart glasses

November 5, 2016By
gopro-karma-drone-w

OEM GNSS receiver High precision for the mass market The Piksi Multi is a multi-band, multi-constellation receiver for the mass market. Autonomous devices require precision navigation, especially those that perform critical functions. The receiver uses real-time kinematics (RTK) technology, providing location solutions 100 times more accurate than traditional GPS. Piksi Multi supports GPS L1/L2 and is hardware-ready for GLONASS G1/G2,... read more

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The System: First OCX receiver delivered to Air Force

November 3, 2016By
The first eight GPS III satellites are under contract and in production at Lockheed Martin’s GPS III Processing Facility outside of Denver.

Harris Corporation delivered the first of 34 modernized receivers to support the GPS Next-Generation Operational Control System (OCX). They will receive the signals sent by the current GPS satellite constellation plus the new signals sent by the next generation GPS III — 13 military and civilian signals in all. The receiver was shipped to the prime contractor, Raytheon Company, in... read more