Intel Research Seminar

DATE: Thursday, February 27, 2003
TIME: Noon - 1:30 pm
PLACE: Intel Seminar (417 S. Craig Street - 3rd Floor)

Clement Lee
Bell Labs

IOTA and GAMMA: Two Systems Projects for 3G Wireless Data Services

In this talk I will present two systems projects for 3G wireless data services. The first project is called IOTA (Integration of Two Access technologies). Its goal is to integrate the two important yet complementary wireless access technologies: 3G for wide area and 802.11 (aka Wi-Fi) for local area. We have built a new network element called IOTA gateway and a multi-interface mobility client that works with the gateway. Using them we have been demonstrating seamless handoffs between a 3G network and an 802.11 network. The second project is called GAMMA, which stands for General Architecture for Multi-Media Adaptation. Its objective is to build a content-adaptation server for on-demand transcoding of multimedia data for wireless applications. The GAMMA system has a novel architecture that it can accommodate a broad spectrum of third-party transcoding utilities for video, image, audio, presentation, document, etc. In this talk, I will present the motivation, challenges, design, implementation, and evaluation of the two projects.

Yui-Wah Lee (Clement) is currently a member of technical staff in the Networking Research Laboratory at Bell Laboratories. He received his PhD degree in computer science and engineering from the Chinese University of Hong Kong in 2000. He was also a visiting scholar and a member of the Coda File System group at Carnegie Mellon University in 1996/1997. His research interests are systems design and implementation in general, and mobile computing and networking in particular.

For Further Seminar Info:
Contact Kim Kaan, 412-605-1203, or visit

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