Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

Navigate via the web with the SisNet receiver

09.09.2002


Knowing your precise position anytime via the internet is now possible thanks to the Signal in Space through Internet (SisNet) technology developed by the European Space Agency.



This technology combines the powerful capabilities of satellite navigation and the internet. As a result, the highly accurate navigation information that comes from the European Geostationary Navigation Overlay Service (EGNOS) Signal-in-Space (SIS) is now available in real time over the internet.

EGNOS is Europe’s first step in satellite navigation, paving the way for Galileo. At present it is in its final development phase and will become operational in spring 2004. An experimental EGNOS signal has been available since February 2000 through the EGNOS test bed (ESTB). EGNOS is what is called an augmentation signal: it corrects and improves the signals sent by the American GPS constellation, using geostationary satellites and it offers a precision in the order of 1 to 2 m as opposed to the 15 to 20 m presently available with GPS signals. In addition, EGNOS provides an Integrity signal through which the user can assess in quasi real time how much he can trust the GPS estimated position. The challenge is how to make the best use of this corrected data.


To access it a SISNET receiver has been developed through a contract between ESA and the Finnish Geodesic Institute (FGI). This device uses three technologies: a pocket ipack type PC, a mobile phone card (GSM or GPRS) and a GPS card receiver. Combining these three technologies: satellite navigation, digital software and internet access, offers a prototype of what looks set to become the tool of the future - a clever computer-phone that knows exactly where it is.

Dr Ruizhi Chen, head of the navigation department at FGI, says that the receiver he created "will evolve in the future, but already the possibilities are tremendous, capitalising on internet capabilities".

Tests have been under way to validate the concept. The SisNet receiver was installed in a car which, while being driven on the roads around Helsinki, gave its position with an accuracy of less than two metres.

For Dr Javier Ventura-Traveset, EGNOS Principal System Engineer and responsible for SisNet development at ESA, "this is the first time we demonstrate both the accuracy of EGNOS and the possibility to obtain, in real time, EGNOS navigation data by using the internet."

This receiver is of special interest as it can be used not only in cars but also in many other situations as it is a hand-held device. Access to satellite data via the internet also allows the user to keep on navigating even when out of range of a geostationary satellite, something which can be useful when travelling in towns where buildings interfere with signal reception. Indeed SisNet extends the service area of EGNOS to regions that can only be reached by EGNOS with difficulty as, in combination with mobile links, it can be used in urban areas.

For the time being, the receiver is made out of existing elements designed for other purposes, but commercially viable receivers are now being developed in cooperation with several European industries. Once the Galileo European satellite navigation system is deployed in 2008, this receiver will offer accurate satellite navigation services, with all the advantages of internet access. As Javier Ventura-Traveset says, "the use of SisNet is only limited by our imagination!".

Dominique Detain | alfa
Further information:
http://www.esa.int

More articles from Information Technology:

nachricht The Flexible Grid Involves its Users
27.09.2016 | Fraunhofer-Institut für Angewandte Informationstechnik FIT

nachricht Optical fiber transmits one terabit per second – Novel modulation approach
16.09.2016 | Technische Universität München

All articles from Information Technology >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: New welding process joins dissimilar sheets better

Friction stir welding is a still-young and thus often unfamiliar pressure welding process for joining flat components and semi-finished components made of light metals.
Scientists at the University of Stuttgart have now developed two new process variants that will considerably expand the areas of application for friction stir welding.
Technologie-Lizenz-Büro (TLB) GmbH supports the University of Stuttgart in patenting and marketing its innovations.

Friction stir welding is a still-young and thus often unfamiliar pressure welding process for joining flat components and semi-finished components made of...

Im Focus: First quantum photonic circuit with electrically driven light source

Optical quantum computers can revolutionize computer technology. A team of researchers led by scientists from Münster University and KIT now succeeded in putting a quantum optical experimental set-up onto a chip. In doing so, they have met one of the requirements for making it possible to use photonic circuits for optical quantum computers.

Optical quantum computers are what people are pinning their hopes on for tomorrow’s computer technology – whether for tap-proof data encryption, ultrafast...

Im Focus: OLED microdisplays in data glasses for improved human-machine interaction

The Fraunhofer Institute for Organic Electronics, Electron Beam and Plasma Technology FEP has been developing various applications for OLED microdisplays based on organic semiconductors. By integrating the capabilities of an image sensor directly into the microdisplay, eye movements can be recorded by the smart glasses and utilized for guidance and control functions, as one example. The new design will be debuted at Augmented World Expo Europe (AWE) in Berlin at Booth B25, October 18th – 19th.

“Augmented-reality” and “wearables” have become terms we encounter almost daily. Both can make daily life a little simpler and provide valuable assistance for...

Im Focus: Artificial Intelligence Helps in the Discovery of New Materials

With the help of artificial intelligence, chemists from the University of Basel in Switzerland have computed the characteristics of about two million crystals made up of four chemical elements. The researchers were able to identify 90 previously unknown thermodynamically stable crystals that can be regarded as new materials. They report on their findings in the scientific journal Physical Review Letters.

Elpasolite is a glassy, transparent, shiny and soft mineral with a cubic crystal structure. First discovered in El Paso County (Colorado, USA), it can also be...

Im Focus: Complex hardmetal tools out of the 3D printer

For the first time, Fraunhofer IKTS shows additively manufactured hardmetal tools at WorldPM 2016 in Hamburg. Mechanical, chemical as well as a high heat resistance and extreme hardness are required from tools that are used in mechanical and automotive engineering or in plastics and building materials industry. Researchers at the Fraunhofer Institute for Ceramic Technologies and Systems IKTS in Dresden managed the production of complex hardmetal tools via 3D printing in a quality that are in no way inferior to conventionally produced high-performance tools.

Fraunhofer IKTS counts decades of proven expertise in the development of hardmetals. To date, reliable cutting, drilling, pressing and stamping tools made of...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

European Health Forum Gastein 2016 kicks off today

28.09.2016 | Event News

Laser use for neurosurgery and biofabrication - LaserForum 2016 focuses on medical technology

27.09.2016 | Event News

Experts from industry and academia discuss the future mobile telecommunications standard 5G

23.09.2016 | Event News

 
Latest News

New imaging technique in Alzheimer’s disease - opens up possibilities for new drug development

28.09.2016 | Medical Engineering

Innovate coating extends the life of materials for industrial use

28.09.2016 | Materials Sciences

Blockchain Set to Transform the Financial Services Market

28.09.2016 | Business and Finance

VideoLinks
B2B-VideoLinks
More VideoLinks >>>