Web Browsing E-mail E-Commerce Telemetry Vertical Solutions Vehicle Location Messaging Full Web browsing E-mail w/ Attachments Richer E-Commerce Multimedia Messaging Streaming Audio & Video Online Games Video Telephony Music Download 2nd Generation 3rd Generation 9.6 Kbps 28.8 Kbps 384 Kbps
Standards Evolution to 3G Worldwide Japan Europe/Parts of Asia Americas/Parts of Asia Instead of solving the 2G network differences via 3G, we will continue to have W-CDMA and cdma2000 as separate networks. Both will be “optional implementation modes” in one 3G standard specification. Basic 3G phones will support one or the other. “Global phones” will be able to roam from one to the other. cdma2000 1st Gen TACS NMT/TACS/Other AMPS 2nd Gen PDC GSM TDMA CDMA 3rd Gen EDGE cdma2000 W-CDMA/UMTS
Wireless Internet Browsing conveyed WWW on the phone—not what subscribers experienced
Expected WAP to quickly become the “killer application” builder for mobile commerce
Hundreds of new companies and thousands of WAP developers quickly went out of business instead
Currently WAP is valued as infrastructure for delivering content and messaging to phones
Re-emerging as Internet enabled phone client
Evolution of messaging Rich Call Browsing Messaging Versatility of Content and User Benefits Time Text SMS Text & Graphics Picture Messaging Digital image input Multimedia Message Service New content types Mobile Multimedia
Link security of interworking architecture must accommodate a mutual technique for authentication or client intelligence regarding which credentials to present for authentication.
For example: Client supporting hotspot proprietary access technique while office access is determined via 802.1x. Client must realize which network it is trying to access, and then present the proper authentication credentials. Similarly, if accessing the 1xEV-DO network, it must present proper credentials.