201207 July/August 2012

July 18, 2012

Peer-to-Peer Cooperative Positioning

Working Papers explore the technical and scientific themes that underpin GNSS programs and applications. This regular column is coordinated by Prof. Dr.-Ing. Günter Hein, head of Europe’s Galileo Operations and Evolution.

In peer-to-peer (P2P) networks, communication nodes can communicate with their neighbors without central coordination. By exchanging data, the network can perform cooperative positioning: each node is helped by its neighbors to compute its position.

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By Inside GNSS

Brussels View: Remembrance of Things Past

In 2003, China committed to investing €200 million (US$270 million) for the privilege of participating in the development of Europe’s Galileo program. But by 2007 it had been forced out of major decision-making because of security concerns and the collapse of the original financing plan for the program, which was to include public and private money.

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By Peter Gutierrez

Can Congress Rescue Itself?

In the 1974 Mel Brooks’ movie, Blazing Saddles, one of the characters — surrounded by his enemies — points a gun at his head and tries to escape by taking himself hostage.

As I recall, he gets away with the absurd move and survives to fight another day. That’s Hollywood!

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By Dee Ann Divis