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Spirent Offers Portable Rec/Play System for GNSS

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CRAWLEY, UK -- Spirent announced a new portable record and playback system for testing positioning and navigation.

RPSs are used to record the real-world radio frequency environment so that it can be tested in a lab. This enables receiver, system and application technology developers to optimize performance and robustness.

Spirent's new RPS, designated the GSS6450, combines high resolution, 16-bit wide band sampling in a highly portable unit measuring 22 x 20 x 7.3cm and weighing only 2kg. The high resolution capability means it can capture a more detailed RF environment, including RF interference, complex atmospheric scintillation and space weather impacts on the Global Navigation Satellite System (GNSS signal), so users can improve receiver performance against these signals. The compact size makes it ideal for capturing data in the field such as on foot or in vehicles, and easily portable for when travelling.

“The GSS6450 offers high resolution in a small self-contained battery powered unit” said Rahul Gupta, commercial segment lead for Spirent's positioning division. “Until now, high resolution record and playback systems have been mains powered and not designed for in-field use. The GSS6450 changes that, enabling a range of signal powers and characteristics to be sampled, recorded, brought into the lab and replayed.”

It offers a choice of 4-, 8-, or 16-bit I/Q quantization, and a 10-, 30-, or 50MHz recording bandwidth. Up to four GNSS frequency bands can be recorded simultaneously, making the GSS6450 suitable for a wide range of applications, from testing new devices, such as wearable tech and unmanned vehicles, to chipset development using new GNSS frequencies, and high-end system test. The 16-bit I/Q quantization option gives up to 96dB of dynamic range, so it can also be used for interference analysis and improving receiver resilience to GPS jamming.

The GSS6450 is also capable of recording additional non-RF sources including inertial sensor outputs, dead reckoning, and up to four video streams. Long recordings are achieved using the up to 4 TB of on-board storage. An additional 8TB of RAID storage can also be added externally.

The Spirent GSS6450 is available now.

Spirent Communications plc

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