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ASME Press Select Proceedings
International Conference on Computer and Automation Engineering, 4th (ICCAE 2012)
By
Jianhong Zhou
Jianhong Zhou
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ISBN:
9780791859940
No. of Pages:
460
Publisher:
ASME Press
Publication date:
2012

A resource allocation algorithm for variable bit rate (VBR) sources using the Dynamic Reservation TDMA (DR-TDMA) medium access control protocol is proposed in this paper. DR-TDMA has the advantages of distributed access and centralized scheduling to multiplex VBR traffic efficiently over a wireless ATM channel, and can be easily extended to integrate constant bit rate, VBR, and available bit rate traffic. We present a scheduling algorithm which maintains in the base station a virtual status of the access queue in each mobile to control channel access by the mobile. A unique cell control algorithm is implemented to provide guaranteed or best effort service to each VBR source depending on whether the current cells conform to the traffic contract. Simulation results show that DR-TDMA can achieve high throughput in the range of 92 to 97% while maintaining a reasonable quality of service.

Abstract
Keywords
1. Introduction
2. Dynamic Reservation TDMA Protocol
3. VBR Source Model
4. Slot Allocation Algorithm for VBR Traffic
5. Conclusion
References
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