Base station MAC with APRMA protocol for broadband multimedia ATM in micro/pico-cellular mobile networks

The concept for a wireless ATM access system that enables seamless mobile connectivity to the B-ISDN is presented. It is based on small, low cost and intelligent base stations running a medium access control (MAC) protocol using adaptive packet reservation multiple access (APRMA). Both the principle...

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Bibliographic Details
Main Authors: Le, K.H., Norskov, S., Dittmann, L., Gliese, U.
Format: Conference Proceeding
Language:English
Subjects:
Access protocols
Adaptive control
Asynchronous transfer mode
B-ISDN
Base stations
Costs
Intelligent networks
Media Access Protocol
Programmable control
Wireless application protocol
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Description
Summary:The concept for a wireless ATM access system that enables seamless mobile connectivity to the B-ISDN is presented. It is based on small, low cost and intelligent base stations running a medium access control (MAC) protocol using adaptive packet reservation multiple access (APRMA). Both the principles and the performance of this protocol are discussed. A channel efficiency of more than 70% and a mean cell transfer delay of less than 17 cells are obtained in the range of 1-50 simultaneously connected users even with bursty traffic. For this, the cell dropping rate is kept below 10/sup -9/ when the mobile terminals use buffer lengths of only 200-300 cells. The different components of this access system are currently under implementation and the MAC unit has been successfully implemented for a 32 Mbit/s wireless channel supporting 25 Mbit/s ATM introducing only 22% of protocol overhead.
ISSN:1090-3038
2577-2465
DOI:10.1109/VETEC.1998.686555