Transcript Wireless Multimedia Delivery

Wireless Multimedia Delivery
over 3G Networks
Greg Leah
C SC 461
3G
• third generation wireless services
• offers high data rate content delivery to
mobile devices
• applications:
– live TV
– video/audio streaming
– video conferencing
3G Technology
• W-CDMA
– UMTS
– FOMA
• CDMA2000 1xEV
• TD-SCDMA
History
• 1G
– analog voice only
• 2G
– digital voice
– uses circuit switching
– peak data rate: 14.4 kbps
History
• migration from 2G to 2.5G to assist
carriers with transition
• 2.5G
– voice and data transmission
– adopted packet-switching technology
– peak data rate: 115 kbps
History
• 3G
– circuit and packet switching
– high data rates in addition to voice
transmission
History
• content providers all over the world have
been rolling out 3G networks
• in Canada:
– Bell and Telus introduced 3G services in
Canada in late 2005
– Rogers offers live TV through …
• drive to 3G is creating demand for more
sophisticated handsets
References
• http://www.3g.co.uk
• http://en.wikipedia.org/wiki
• textbook