Tutorial-reda-athens-june08-4

Performance Evaluation in Wireless Networks and Technologies from 2.5 G, 3G, LTE to 4G and Beyond ICIW 2008, AICT 2008 Athens, June , 2008 Dr. Reda Innovation Communication Technologies Munich / Vienna 1 1 Reda 2008 ICTmc Mobility…. Mobile Wireless… 2 2 Reda 2008 ICTmc Mobile Network Subscribers vs. Fixed Network Subscribers 1 600 1 400 1 200 Fixed Mainlines 1 000 800 Wireless Subscriptions 600 400 Fixed Internet Users 200 Wireless Internet Users 0 1999 2000 2001 2002 2003 2004 2005 3 3 Reda 2008 ICTmc Wireless Internet Access Wireless all CAGR 2000-2010: 11% 2 000 000 Wireless Internet CAGR 2000-2010: 31% 1 500 000 1 000 000 500 000 0 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 4 4 Reda 2008 ICTmc Wireles Generations at a Glance 0 G: Mobile Radio Telephone, USA, Areas outside Cities 5 5 Reda 2008 ICTmc Wireles Generations at a Glance 1 G: 1980 Cell phones Aanalog cell phone 150MHz 6 6 Reda 2008 ICTmc Wireles Generations at a Glance 2 G: Digital Signal Signalling Devided to: TDMA-based standards (Time Division Multiplexed Access)and CDMA-based standards (Code Division Multiple Access) depending on the type of multiplexing used. 7 7 Reda 2008 ICTmc Wireles Generations at a Glance 2 G: Main Standards •GSM 900, 1800 •GPRS :56 up to 114 kbit/s •EDGE Enhanced Data rates for GSM Evolution , Enhanced GPRS (EGPRS) ,473.6 kbit/s for 8 timeslots) 8 8 Reda ...