201305 May/June 2013 Archives - Inside GNSS - Global Navigation Satellite Systems Engineering, Policy, and Design

BeiDou Gets Ready for the Global Marketplace

The fourth China Satellite Navigation Conference (CSNC 2013) wound up its three-day run on May 17 in Wuhan — by all measures a clear success for an event that has become the nation’s leading international GNSS forum.

A key take-away from the event: China is rapidly preparing to bring BeiDou products and technology into the international marketplace is encouraging its industry to build an internationally applicable knowledge base in standards, patent law, and intellectual property rights (IPR).

By Inside GNSS

BeiDou

Prof. Jingnan Liu, Chinese Academy of Engineering

Since announcing plans in late 2006 to build its own GNSS system — BeiDou-2 (BDS), China proceeded quickly to establish a fully operational regional system late last year with a clear plan to complete a global system by 2020.

Beginning with its first launch in April 2007, BDS has put 16 satellites in orbit, some in dual launches, with 14 BeiDou space vehicles currently transmitting healthy signals: 5 in geostationary orbits (GEO), 5 in inclined geosynchronous orbits (IGSO), and 4 middle Earth orbit (MEO) spacecraft.

By Inside GNSS

Di Qiu: Opportunities of Signals

Di Qiu at the site of her current employer

SIDEBAR: Di Qiu’s Compass Points

Landing all-weather aircraft safely in storms. Protecting sensitive data not only through encryption but based on the location at which it is being accessed. Ensuring that accurate and timely information reaches first responders responding to emergencies.

Although still in the early part of her career, Di Qiu has already made significant contributions to these crucial applications of navigation technology.

By Inside GNSS

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Di Qiu’s Compass Points

Taylor’s Series

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Engineering Specialties

Signal processing
Control and estimation
Signals of opportunity
Location-based security and signal authentication

Engineering Mentors

By Inside GNSS

Living in an APNT World

It’s all about the backups now. The alternatives. The gap-fillers.

Back in the 1990s, when I first came across the U.S. Federal Radionavigation Plan (FRP), I learned that the rise of the Global Positioning System drove the biannual FRP process because of the expectation that GPS would enable the government to shut down many pieces in the hodgepodge of positioning, navigation, and timing (PNT) systems.

By Inside GNSS