Wireless ATM
AVD Networks

Wireless ATM Adaptive Voice/Data Networks

Joseph B. Evans
Telecommunications & Information Sciences Laboratory
Department of Electrical Engineering & Computer Science
University of Kansas


This talk will describe the Wireless ATM Adaptive Voice/Data Networks project at the University of Kansas. The objective of this project is the implementation and demonstration of a complete adaptive voice/data (AVD) network, including switches and terminal units, based on wireless asynchronous transfer mode (ATM) technology. This network will serve as a testbed for investigation into the delivery of voice, images, and data to remote users using highly interoperable ATM technology. Dynamic bandwidth allocation algorithms using low bit rate speech coding based on the Sinusoidal Transform Coder are used in the ATM wireless environment. Existing ATM standards are the basis for network control and management were possible, and research into extending the technology into the narrowband arena is being performed. A testbed to evaluate the use of the bit-rate adaptive characteristics of the Sinusoidal Transform Coder (STC) as a means of congestion control for voice/data networks is being designed and built. The narrowband network is interfaced to other ATM facilities such as the MAGIC gigabit testbed, the ACTS ATM Internetwork (AAI), and the Rapidly Deployable Radio Network (RDRN), to demonstrate interoperability.

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