A framework to develop proximity-based applications - by Samuel M. Coelho and Miguel L. Pardal - presented at INForum 2016 held in Lisbon, Portugal

1. Smart Places:
A framework to develop
proximity-based mobile
applications
Samuel M. Coelho
Miguel L. Pardal

2. Agenda
• Motivation
• Solution
• Evaluation
• Conclusion

3. Agenda
• Solution
• Evaluation
• Conclusion

4. Welcome to
Técnico
@
Lisboa

5. Context-aware applications

6. Location Detection

7. Indoors Location
Low Energy

8. Proximity-based Apps

9. BlueTooth Low Energy
iBeaconsLow Energy
Organization
Group
Individual

10. “Smart Place"
• WWW analogy:
• Beacons are anchors
<a>
• Can refer to resources
or trigger actions

11. Smart Restaurant

12. Smart Restaurant - Owners

13. Smart Restaurant - Owners

14. Smart Restaurant - Owners

15. Smart Restaurant - Users

16. Smart Restaurant - Users

17. Smart Restaurant - Users

18. Challenges
• Multiple platforms
• Integration with
“Back-end” Cloud
• Diverse Tag
technologies

19. Agenda
• Motivation
• Evaluation
• Conclusion

20. Solution Architecture

21. Solution Architecture
Low Energy

22. Solution Architecture

23. Solution Architecture

24. Solution Architecture

25. Solution Architecture
$ bower install smartplaces-js --save
/samfcmc/smartplaces-js

26. Solution Architecture

27. Agenda
• Motivation
• Solution
• Conclusion

28. Setup

29. How much power is drained
by running in background
all the time?

30. Battery Consumption
25cm 25cm
25cm
• 5 minutes
• 2 minutes and
30 seconds
• 1 hour

31. Battery Consumption
2%
3%
4%
0%
1%
3%
4%
5%
5m 2m30s Facebook
3G

32. Battery Consumption
with caching
0,29% 0,40%
0%
1%
3%
4%
5%
5m 2m30s
3G

33. How accurate is the
distance measurement?

34. Nearest Beacon Detection
d d
• 10 seconds
• 5 minutes

35. Nearest Beacon Detection
for increasing d
50%
58%
67%
94%
0%
25%
50%
75%
100%
0,5m 1m 1,5m 2m
d > 1.5m

36. Agenda
• Motivation
• Solution
• Evaluation

37. Contributions
• Library to develop Smart Places
• Access any "Smart Place"
with just one mobile app
• Battery consumption is adequate
• Distance measurement is not

38. Future Work
• Add support for other location technologies
Combine sensors for more accurate location
• User device location certification
• Further software developments:
• Create interface to register “Smart Places” and tags
• Create an SDK for native apps
Android, iOS and Windows Phone

39. Smart Places
http://github.com/samfcmc/smartplaces-js
Miguel.Pardal@tecnico.ulisboa.pt
samuelfcmc@gmail.com
Obrigado
Thank you