quo vadis gnss?

pixelcreatures/CC0 1

©Google 2

SomeDriftwood/CC BY 3.0 3

Quo Vadis GNSS?

Dr. Lukasz Bonenberg10th December 20162016 Christmas Lecture

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The road ahead

1 Guiding light

2 The magician

3 The sage

4 Threats and Challenges

5 More phones than people

6 Summary

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Standing on the shoulders of giants

• Prof. Terry Moore• Dr. Richard Bingley• Prof Gethin Roberts• Dr. Xiaolin Meng• Dr. Simon Roberts• Steve Fuller• ...

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Guiding light

Position everywhere

dima goroziya/CC0 8

GPS

Figure courtesy of Prof T Moore 9

Psueudorange

Pseudorange = Travel Time * Speed of lightFigure courtesy of Prof T Moore 10

GPS Navigation Concept

Figure courtesy of Prof T Moore 11

Figure courtesy of Prof T Moore 12

Carrier phase

Figure courtesy of Prof T Moore 13

CORS networks

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Civil Engineering

Figure courtesy of Prof Gethin Roberts and Dr Xiaolin Meng 15

The magician

Let’s consider time

Figure courtesy of Prof T Moore 17

Light travel in one second...

186 000 miles300 000 km

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Your own nanosecond

29.98 cm

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SplitShire/BY0 20

GNSS -Four is better than one

©2010 The Kellogg Report 21

The sage

GNSS for positioning

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Global network

Figure courtesy of Dr R Bingley 24

Tectonic plates

Figure courtesy of Dr R Bingley 25

Sea level monitoring

Stevebidmead/CC0 26

Weather prediction

Figure courtesy of Dr R Bingley 27

Threats and Challenges

Space Weather

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Ageing constellation

Figure courtesy of Prof T Moore 30

Multipath

Unsplash/CC0 31

Interference and jamming

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Hazardously Misleading Information

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Time dependent reference frames

Figure courtesy of Dr R Bingley 34

More phones than people

William Starkey/CC0 36

Interconnected

©Eric Fischer/bigthink.com 37

Urban Canyons

Pexels/CC0 38

Intelligent transport

Unsplash/CC0 39

GNSS miniaturisation

Simon Taylor/CC BY-SA 2.5 40

©NAVTEQ 41

dm everywhere?

Figure courtesy of Prof T Moore 42

Multi-frequency chipsets

©Subirana et al, 2011 43

Open Standards and APIs

Figure courtesy of Prof T Moore/ ©Google 44

Privacy concerns

©Ed Parsons 45

Summary

What we covered today

1 Guiding light

2 The magician

3 The sage

4 Threats and Challenges

5 More phones than people

6 Summary

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Take away

• GPS (GNSS) provide position everywhere• You carry equivalent of atomic clock in your pocket• GNSS - 4 is better than one• We are still to see technology full potential• Everything takes time. Cooperation and communication make

things easier.

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Useful links

• Nottingham Geospatial Institute -http://www.nottingham.ac.uk/ngi/

• GSA market report -https://www.gsa.europa.eu/market/market-report

• 17 Nov take off - http://bit.ly/GAL_2016

• RAE GNSS Vulnerability - http://bit.ly/RAE_GNSS

• RAE Space Weather - http://bit.ly/RAE_weather

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Thank you

Questions?

Lukasz.Bonenberg@nottingham.ac.uk

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