GPS Press Releases

01/26/2011 - Japanese Aerospace Agency Selects Spirent for Multi-GNSS Testing


Japanese Aerospace Exploration Agency (JAXA) Uses Spirent Solution to benchmark QZSS receiver performance

Paignton, United Kingdom – (January 26, 2010) – To further the development of the Quazi-Zenith Satellite System (QZSS) program, the Japanese Aerospace Exploration Agency (JAXA) has selected Spirent Communications' testing solutions to verify performance of its satellite receivers. Responsible for the development of initial QZSS receivers, JAXA is using Spirent's GSS8000 Multi-GNSS Constellation Simulator to verify QZSS receiver performance.

The highly elliptical orbits of QZSS allow satellites to dwell at high elevations, improving coverage in urban canyons and providing additional overhead ranging sources in Japan. JAXA needed to design receivers that supported multiple satellite technologies. To that end, it turned to Spirent for a solution that not only included testing capabilities for GPS at L1, L2 and L5 signals but also tested performance of QZSS signals at the same frequencies.

"Spirent GNSS simulators are the first choice of commercial and government organizations to evaluate navigation and positioning system performance," said John Pottle, marketing director at Spirent's Positioning and Navigation business. "Our engagement with JAXA will enable the agency to play a critical role in QZSS receiver development work."

The Spirent simulator includes a wide range of software modeling capability to enable the receivers to be tested under extreme and error conditions as well as in normal performance test cases. For more information on multi-GNSS testing visit www.spirent.com/Positioning-and-Navigation/What_is_Multi-GNSS_Simulation.aspx

About Spirent Federal Systems
Spirent Federal Systems was formed in July 2001 by Spirent Communications as a wholly owned subsidiary and United States proxy company. Spirent Federal markets and sells products in North and South America with value-added features and ongoing customer support. Spirent Federal Systems is headquartered in Yorba Linda, California, with support and sales offices throughout the US.

About Spirent's Positioning Technology Division
Spirent is the first choice of major manufacturers, integrators, test facilities and space agencies worldwide for GNSS testing and simulation solutions. Today, Spirent simulation systems are used throughout the world through a broad range of clients in more than 30 countries. Spirent delivers navigation and positioning test equipment and services to all sectors of the navigation and positioning community, from government agencies through to high volume commercial markets.

About Spirent Communications plc
Spirent Communications plc. (LSE: SPT), a global leader in test & measurement, inspires innovation within development labs, networks and IT organizations to enable customers to deploy communications networks, services & applications, and devices that enrich life. Our extensive portfolio of solutions test data centers, high speed Ethernet networks and services, 3G/4G wireless networks and devices, network security, and global navigation satellite systems. With solutions used by more than 1,700 customers in 30 countries, the world's largest equipment manufacturers, service providers, enterprise and governments rely daily on Spirent to help ensure their success. Based in Sunnyvale, CA, Spirent Communications has 1,300 employees worldwide.

Spirent Communications plc Ordinary shares are traded on the London Stock Exchange (ticker: SPT). The Company operates a Level 1 American Depositary Receipt ("ADR") program with each ADR representing four Spirent Communications plc Ordinary shares. The ADRs trade in the US over-the-counter ("OTC") market under the symbol SPMYY and the CUSIP number is 84856M209. Spirent Communications' sales to the United States government are made through Spirent Federal Systems Inc (www.spirentfederal.com).

Spirent, Spirent Communications and the Spirent logo are trademarks or registered trademarks of Spirent Communications plc. All other trademarks or registered trademarks mentioned herein are held by their respective companies. All rights reserved.

This document may contain forward-looking statements which are made in good faith and are based on current expectations or beliefs, as well as assumptions about future events. You can sometimes, but not always, identify these statements by the use of a date in the future or such words as "will", "anticipate", "estimate", "expect", "project", "intend", "plan", "should", "may", "assume" and other similar words. By their nature, forward-looking statements are inherently predictive and speculative and involve risk and uncertainty because they relate to events and depend on circumstances that will occur in the future. You should not place undue reliance on these forward-looking statements, which are not a guarantee of future performance and are subject to factors that could cause our actual results to differ materially from those expressed or implied by these statements. The Company undertakes no obligation to update any forward-looking statements contained in this document, whether as a result of new information, future events or otherwise.





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