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 , 2002Dr. 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 802.11 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, it’s just not evenly distributed”

William Gibson, Author of Neuromancer

Samsung

Using Students to Invent the Futureof Widespread Use of Wireless Pocket PCs

• Year- Long “Living Laboratory” Experiment 2001-02– 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 InfrastructureSupports More Than Cell Phones

• UCSD Has Been Beta Test Site – Qualcomm’s 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– PacketVideo’s PVPlayer™ MPEG-4– gpsOne™ Global Positioning System– Bluetooth– MP3– MIDI– BREW

Rooftop HDR Access Point

Computer Vision and Robotics Research LabMohan 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 Q1 2001

Source: Roberto Padovani,

Qualcomm

UCSD Creates a Mobile BubbleIntegrating Wi-Fi with 3G!

• First US Taste of 3G Cellular Internet– UCSD Jacobs School Antenna

– First Beta Test Site

• Linking to 802.11 Mobile “Bubble”– Tested on CyberShuttle

– Joint Project with Campus– From Railway to Campus at 65 mph!

Rooftop Qualcomm 1xEV Access Point

www.calit2.net/news/2002/4-2-bbus.html

Creating a Mobile BubbleWith a Briefcase…

UCSD Students

Cellular Internet and Wi-Fi WLANWill 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 ChebrolouUCSD-CWC, Cal-(IT)2