Mobile Hybrid Positioning - eLBeS 2010

•

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Rikard Windh

Technology

Mobile Positioning

Opportunity: Creates a new paradigm of services (Navigation,
Nearby Search, Location Based Social Networks and more)
Picture: http://farm3.static.ﬂickr.com/2162/2400891654_541e53b93a.jpg

Mobile Positioning

Challenge: Always have a good position - indoor and outdoor -
without draining your battery!
Picture: http://farm3.static.ﬂickr.com/2162/2400891654_541e53b93a.jpg

1. GPS
Picture: http://soundofscience.ﬁles.wordpress.com/2009/03/gps_satellite_nasa_art-iif.jpg

• Good outdoor
accuracy
(15 m)

Text
Text • Limited/none
indoor
coverage

• Drains your
battery

2.

• Learning clients /
War Driving

• Good coverage in
urban areas (50 m)

• Requires WiFi
enabled mobile

• Requires a WiFi
database
• Databases: SkyHook -
100M, WiGLE - 20M
Picture: http://www.skyhookwireless.com/howitworks/coverage.php

3. Cell-id
• Always available - no
extra power

• Indoor and outdoor
coverage (1000 m)

• Requires a Cell-id
database and a cell-id
API in the mobile
• Databases: Location-API - 6M,
OpenCellID - 0.6M

Picture: http://upload.wikimedia.org/wikipedia/commons/a/ae/Telstra_GSM_and_NextG_tower.jpg

4. Network positioning

•
Picture: http://www.ericsson.com/solutions/positioning_methods/lbs.shtml

Works on all mobiles

• Indoor and outdoor coverage (100m - 1000m)

• Requires access/agreement with operators/aggregators

5. Spatial
Triggers
• Location triggers stored in
the network

• Triggers ﬁred when:
1 - entering an area,
2 - leaving an area,
3 - close to another mobile

• No need to continuously
pull the location. Wait for
the trigger to be ﬁred
instead.

• But: Limited/not supported
by operators today.

Picture: http://www.ericsson.com/solutions/positioning_methods/lbs.shtml

6. NFC

• Accuracy - 10 cm!

• Requires the user to actively
wave or hold the mobile
device close to the tag

• Requires pre-installed tags
and NFC enabled phones

Picture: http://noknok.tv/wp-content/uploads/2009/04/nokia-6216-lassic-near-ﬁeld-communication-nfc-device-1.jpg

Tag: Google Maps, Slakthuset, Malmö

7. 2D Barcodes

• Accuracy: 10 cm -
50 cm
• Requires a
camera phone, a
barcode app, and
the user to take a
photo.

Accuracy vs Battery Life
Accuracy (meters) Battery life (days)

GPS GPS

WiFi WiFi

Cell-id Cell-id

Network Network

0 250 500 750 1,000 0 3.75 7.50 11.25 15.00

Coverage vs Phone Availibility

Coverage Availibility
GPS Outdoor-Rural Medium
WiFi Out/Indoor-Urban Medium
Cell-id Out/Indoor High
Network Out/Indoor Operator dependant

NFC Tagged area Low
2D Barcodes Tagged area High

Which one to choose?

?

Picture:http://chroniclingthecuse.ﬁles.wordpress.com/2009/03/question_mark_naught101_011.jpg

Hybrid Positioning (4/7)

GPS + WiFi + Cell-id + Network
Good accuracy in Urban & Rural areas,
both Indoor & Outdoor

Long battery lifetime

High number of supported phones
http://www.psdgraphics.com/wp-content/uploads/2009/09/check-and-cross-icons.jpg

Hybrid Positioning (6/7)

Accuracy: 10 cm - 1 km

Combine positioning methods to have both good indoor
and outdoor coverage, plus longer batter life time!

White paper
• Purpose: To give you
a kick-start in your
LBS project
• Released today.
• Pick a hardcopy or
send me an email
rikard@combain.com

Thank you!
rikard@combain.com
www.twitter.com/mrwindh

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Mobile Hybrid Positioning - eLBeS 2010

1. Mobile Positioning eLBeS 27 April 2010 Rikard Windh Co-founder Combain Mobile AB

2. Mobile Positioning Opportunity: Creates a new paradigm of services (Navigation, Nearby Search, Location Based Social Networks and more) Picture: http://farm3.static.ﬂickr.com/2162/2400891654_541e53b93a.jpg

3. Mobile Positioning Challenge: Always have a good position - indoor and outdoor - without draining your battery! Picture: http://farm3.static.ﬂickr.com/2162/2400891654_541e53b93a.jpg

4. 7 Positioning Methods

5. 1. GPS Picture: http://soundofscience.ﬁles.wordpress.com/2009/03/gps_satellite_nasa_art-iif.jpg • Good outdoor accuracy (15 m) Text Text • Limited/none indoor coverage • Drains your battery

6. 2. • Learning clients / War Driving • Good coverage in urban areas (50 m) • Requires WiFi enabled mobile • Requires a WiFi database • Databases: SkyHook - 100M, WiGLE - 20M Picture: http://www.skyhookwireless.com/howitworks/coverage.php

7. 3. Cell-id • Always available - no extra power • Indoor and outdoor coverage (1000 m) • Requires a Cell-id database and a cell-id API in the mobile • Databases: Location-API - 6M, OpenCellID - 0.6M Picture: http://upload.wikimedia.org/wikipedia/commons/a/ae/Telstra_GSM_and_NextG_tower.jpg

8. 4. Network positioning • Picture: http://www.ericsson.com/solutions/positioning_methods/lbs.shtml Works on all mobiles • Indoor and outdoor coverage (100m - 1000m) • Requires access/agreement with operators/aggregators

9. 5. Spatial Triggers • Location triggers stored in the network • Triggers ﬁred when: 1 - entering an area, 2 - leaving an area, 3 - close to another mobile • No need to continuously pull the location. Wait for the trigger to be ﬁred instead. • But: Limited/not supported by operators today. Picture: http://www.ericsson.com/solutions/positioning_methods/lbs.shtml

10. 6. NFC • Accuracy - 10 cm! • Requires the user to actively wave or hold the mobile device close to the tag • Requires pre-installed tags and NFC enabled phones Picture: http://noknok.tv/wp-content/uploads/2009/04/nokia-6216-lassic-near-ﬁeld-communication-nfc-device-1.jpg

11. Tag: Google Maps, Slakthuset, Malmö 7. 2D Barcodes • Accuracy: 10 cm - 50 cm • Requires a camera phone, a barcode app, and the user to take a photo.

12. Compare the 7 Positioning Methods

13. Accuracy vs Battery Life Accuracy (meters) Battery life (days) GPS GPS WiFi WiFi Cell-id Cell-id Network Network 0 250 500 750 1,000 0 3.75 7.50 11.25 15.00

14. Coverage vs Phone Availibility Coverage Availibility GPS Outdoor-Rural Medium WiFi Out/Indoor-Urban Medium Cell-id Out/Indoor High Network Out/Indoor Operator dependant NFC Tagged area Low 2D Barcodes Tagged area High

15. Which one to choose? ? Picture:http://chroniclingthecuse.ﬁles.wordpress.com/2009/03/question_mark_naught101_011.jpg

16. Hybrid Positioning (4/7) GPS + WiFi + Cell-id + Network Good accuracy in Urban & Rural areas, both Indoor & Outdoor Long battery lifetime High number of supported phones http://www.psdgraphics.com/wp-content/uploads/2009/09/check-and-cross-icons.jpg

17. Hybrid Positioning (6/7) Accuracy: 10 cm - 1 km Combine positioning methods to have both good indoor and outdoor coverage, plus longer batter life time!

18. White paper • Purpose: To give you a kick-start in your LBS project • Released today. • Pick a hardcopy or send me an email rikard@combain.com

19. Thank you! rikard@combain.com www.twitter.com/mrwindh

Mobile Hybrid Positioning - eLBeS 2010

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