Design & Test

Recording and Replay for Multiple Constellations and Frequency Bands

March 1, 2014By
Figure 10. Live and replayed drive around in Coventry.

The design and verification of a new class of portable wideband record-and-playback system considers the relative merits and limitations of both simulator and record/replay approaches. The authors also discuss the benefits of the different test approaches to the development and characterization of various GNSS receiver types. read more

GNSS Receiver from Galileo Satellite Navigation Now on Cadence Core

February 25, 2014By

A software-based GNSS receiver is now available on Tensilica ConnX DSP IP cores, according to an announcement by Cadence Design Systems and Galileo Satellite Navigation, Ltd. (GSN), a developer of multi-system GNSS products including software receiver technology. The core is being demonstrated at the Cadence booth at Mobile World Congress, being held this week in Barcelona, Spain. The GSN GNSS... read more

Anritsu Offers Atomic Clock for Spectrum Master without Need for GPS

February 24, 2014By

Anritsu Company is launching an internal atomic clock option for its MS2720T Spectrum Master handheld spectrum analyzer that allows users to acquire excellent frequency accuracy, including in environments in which the GPS cannot be used. Integrating the atomic clock inside the MS2720T provides field engineers and technicians with a durable, handheld spectrum analyzer that can deliver the extremely high accuracy... read more

This article is tagged with , , , and posted in Design & Test, Latest News, Mobile

LabSat 3 Updates Include Extended Recording

February 21, 2014By
racelogic-labsat3

Racelogic’s latest update to the LabSat 3 simulator allows the use of 128-Gbyte SD cards, giving up to nine hours of high-quality RF recording. Also included in the update is the ability to use external USB hard drives and the addition of a serial/USB NMEA output, generated by the internal GPS engine during a replay. The multi-constellation, stand-alone, battery-powered GPS/GLONASS/Beidou... read more

This article is tagged with , , and posted in Design & Test, Featured Stories, Latest News

Spirent Launches SimSAFE to Address GNSS Signal Vulnerability

February 11, 2014By
simSafe_Spirent

Spirent Communications, a testing navigation and positioning systems company, today announced the introduction of Spirent SimSAFE, a software solution that concurrently simulates legitimate Global Navigation Satellite System (GNSS) constellations and spoofed or hoax signals to evaluate receiver resilience and help develop counter measures. SimSAFE was developed in conjunction with Qascom, GNSS signal security and authentication experts. As GNSS become increasingly... read more

This article is tagged with , , , and posted in Design & Test, GNSS, Latest News

Innovation: Ionospheric Modeling Using GPS

February 1, 2014By
FIGURE 2. The network of the four stations used in the evaluation procedures.

Greater Fidelity Using a 3D Approach
In this month’s column we look at the performance of a 3D approach to modeling the ionosphere, including times when the ionosphere is particularly interesting (read disturbed). read more

Collaborative Signal Processing

February 1, 2014By
Soloviev-O

More Receiver Nodes Bring Ubiquitous Navigation Closer
Encouraging results from new indoor tests and advances in collaborative phased arrays come from MUSTER: multiple independently operating GPS receivers that exchange their signal and measurement data to enhance GNSS navigation in degraded signal environments, such as urban canyons and indoors. read more

Spirent Federal Offers Training Conference in March

January 24, 2014By

GNSS simulation expert Spirent Federal is inviting users to “a rigorous and thorough” one-and-a-half-day training conference, including a half-day of For Official Use Only (FOUO) sessions, set for March 26-27 in Salt Lake City. The 2014 Spirent Federal GNSS Training Conference features hands-on training led by Spirent engineers on its latest GNSS simulation equipment. FOUO sessions will be held on... read more