GSG-RP GPS Record and Playback Option0 pages

GSG-RP GPS Record and Playback Option
Simply Create and Enhance GPS Simulation Scenarios
• True life constellation replication
• Automatic scenario generation
• Modify signal parameters during test
• Add a wide variety of “what ifs” to
the scenario
o Events such as satellite drop out
o Multipath conditions
o Add noise to test sensitivity
o Leap second occurrence

Of the several options available to testers of GPS receivers, simulation allows for the most powerful
and comprehensive testing. One alternative, record and replay devices, characterizes a particular
environment for coverage or interference at one point of time, but it does not allow for modication
of the scenario, has limited performance based on the quality of the recording receiver and requires
signicant memory storage and a high performance PC for playback. The GSG-RP record and playback
feature offers the best of both when used with a Spectracom GSG-5 or -6 series GPS simulator.
The GSG-RP record and playback option is supplied with a GPS recording receiver and an interface
to Spectracom’s GSG StudioView™ software. Any receiver that records NMEA can be used. The data
needs to contain the $GPRMC, $GPGGA, and $GPGSV sentences.

Here’s How it Works

3. Connect the simulator to the
receiver under test and run
the scenario

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2. Connect the laptop to the
simulator, edit the scenario
as desired, and run the
playback generator

..

1. Connect the recording
receiver to a laptop running
the software and record