The document discusses mobile connectivity, particularly the radio state machine and its energy consumption. It presents a case study on Pandora, highlighting that only 0.2% of data consumed led to 46% of energy usage. The presentation includes graphics and is part of a discussion on optimizing mobile connectivity.

1. Mobile Connectivity
Doing it right
Ran Nachmany
Feb 2013.

6. What's the big deal?

8. UMTS RRC States. (source: 3gpp)

9. Radio State Machine
Power
DCH
~10Sec tail time
FACH
~12-75 Sec tail time
IDLE
Bandwidth

10. Radio State Machine
Power
~2 Sec DCH
~10Sec tail time
FACH
~12-75 Sec tail time
IDLE
Bandwidth

16. #1: Case study: Pandora
0.2% of data consumed 46% of energy!

29. Thank You
ran@mobiliup.com
+Ran Nachmany
Graphics used in this presentation:
www.sxc.hu