NDLI: VD/VS coupling scheme using feed-forward congestion indication for ABR services in wireless ATM

Content Provider	IEEE Xplore Digital Library
Author	Nuno, F. Matsumoto, Y.
Copyright Year	1998
Description	Author affiliation: NTT Wireless Syst. Labs., Yokosuka, Japan (Nuno, F.)
Abstract	This paper explores virtual destination (VD)/virtual source (VS)-based available bit rate (ABR) flow control performance, targeting wireless asynchronous transfer mode (WATM) application that can incur long link-delays because of employing radio-medium sharing and/or radio-specific data link control schemes. As this paper reveals, the conventional VD/VS scheme has difficulty in sustaining satisfactory ABR performance, when it is applied to long-delay-causing WATM; it suffers from significant increase in the necessary buffer capacity. To ensure the ABR performance in WATM, this paper proposes a new VD/VS coupling scheme using a feed-forward congestion indication. The proposed scheme controls the allowed cell rate of a source end system in a feed-forward manner by predicting the queue length at the time the WATM-associated-round-trip ahead. Simulation results show that the proposed scheme exhibits excellent ABR performance with a long delay of the divided loop on the radio link side. It is also verified that the proposed scheme is rather robust against uncertainty and/or time-variation regarding the predetermined radio link delay.
Starting Page	627
Ending Page	632
File Size	675957
Page Count	6
File Format	PDF
ISBN	0780351061
ISSN	10918442
DOI	10.1109/ICUPC.1998.733046
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1998-10-05
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Feedforward systems Asynchronous transfer mode Delay Control systems Radio control Bit rate Radio link Degradation Traffic control Laboratories
Content Type	Text
Resource Type	Article

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