Combining Wi-Fi and Cellular Internet Panel Discussion Evolving Markets in Telecommunications UCSD CONNECT, San Diego Telecom Council and San Diego Venture Group San Diego, CA May 29, 2002 Dr. Larry Smarr Director, California Institute for Telecommunications and Information Technologies Professor, Dept. of Computer Science and Engineering Jacobs School of Engineering, UCSD

Two New Cal-(IT) 2 Buildings Ground Breaking for UCSD This Friday! Will Create Unique Lab Facilities –Clean Rooms for Nanotech and BioMEMS –Computer Arts Virtual Reality –Wireless and Optical Networking –Interdisciplinary Teams Bioengineering UC San Diego UC Irvine Extend to Living Laboratories Thanks to Members of SDTC for 200 Phone Call and Faxes!

Broadband Wireless Internet Infrastructure is Emerging Today Wireless Internet Hot Spots –IEEE b,a –Access Ports to Wired Internet –Real Broadband--11 mbps Going to 54 mbps –Security and Authentication can be Added Cellular Internet is Rolling Out –CDMA2000 1xEV-DO –South Korea SKT & KTF See Fast Growth –Verizon, Sprint Introduce This Summer –WCDMA & GPRS –Japan NTT DoCoMo FOMA Launched Oct 2001 The future is already here, its just not evenly distributed William Gibson, Author of Neuromancer Samsung

Using Students to Invent the Future of Widespread Use of Wireless Pocket PCs Year- Long Living Laboratory Experiment –Computer Science & Engineering Undergraduates –500+ Wireless-Enabled HP Pocket PCs at UC San Diego –50 Compaq Pocket PCs at UC Irvine Currently Using Wi-Fi Wireless Internet Experiments with Geo-location and Interactive Maps Cal-(IT) 2 Team: Bill Griswold, Gabriele Wienhausen, UCSD; Rajesh Gupta, UCI UC San Diego UC Irvine

Cellular Internet Infrastructure Supports More Than Cell Phones UCSD Has Been Beta Test Site –Qualcomms 1xEV Cellular Internet Optimized for Packet Data Services –Uses a 1.25 MHz channel –2.4 Mbps Peak Forward Rate –Part of the CDMA2000 Tech Family –Can Be Used as Stand-Alone Chipsets in Development Support –PacketVideos PVPlayer MPEG-4 –gpsOne Global Positioning System –Bluetooth –MP3 –MIDI –BREW Rooftop HDR Access Point Computer Vision and Robotics Research Lab Mohan Trivedi, UCSD, Cal-(IT) 2

Internet Services Are Beginning to Make Money Combination Of: –Nice Color Screen Phones –Reasonable Data Transport on 1x –New Applications –Good Content Average Revenue Per User Up 57% Since Q Source: Roberto Padovani, Qualcomm

UCSD Creates a Mobile Bubble Integrating Wi-Fi with 3G! First US Taste of 3G Cellular Internet –UCSD Jacobs School Antenna –First Beta Test Site Linking to Mobile Bubble –Tested on CyberShuttle –Joint Project with Campus –From Railway to Campus at 65 mph! Rooftop Qualcomm 1xEV Access Point

Creating a Mobile Bubble With a Briefcase… UCSD Students

Cellular Internet and Wi-Fi WLAN Will Co-Exist Source: SK Telecom

Goal: Smooth Handoff by Mobile Device As One Moves from Local to Wide Area WLAN GPRS CDMA CDPD Internet (802.11b,a) (CDMA20001xEV) Partnering with Ericsson Ramesh Rao, Kameshwari Chebrolou UCSD-CWC, Cal-(IT) 2