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Guidelines for sizing traffic queues in terminals of future protected satcom systems

Author(s)
Wysocarski, Jeffrey S.; Sun, Jun; Wang, Mu-Cheng
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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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Abstract
Future military satellite communication systems will feature time-division multiple access (TDMA) uplinks in which uplink resources will be granted on demand to each terminal by a centralized resource controller. Due to the time-shared nature of the uplink, a terminal will not be constantly transmitting. It will only transmit in its assigned timeslots so as not to cause interference to other terminal transmissions. Packets arriving at a terminal during idle transmission periods will have to be buffered or queued, potentially in a terminal router, else they will be dropped. At the next assigned timeslot these queues will be serviced via a queue scheduling policy that maintains quality-of-service (QoS) requirements to the different traffic classes. These queues must be sized large enough to ensure no packet loss when operating in an uncongested state; how large is a function of the distribution of timeslots assigned to the terminal. In this paper, we investigate the relationship between timeslot assignment distributions and queue requirements of a terminal router, providing insight of how to size router queues given an assigned timeslot distribution, or reciprocally, constraints placed on timeslot distribution given a set queue size, in order to avoid packet loss.
Date issued
2009-10
URI
http://hdl.handle.net/1721.1/59848
Department
Lincoln Laboratory
Journal
IEEE Military Communications Conference
Publisher
Institute of Electrical and Electronics Engineers
Citation
Mu-Cheng Wang, Jun Sun, and J. Wysocarski. “Guidelines for sizing traffic queues in terminals of future protected satcom systems.” Military Communications Conference, 2009. MILCOM 2009. IEEE. 2009. 1-8. © 2009, IEEE
Version: Final published version
Other identifiers
INSPEC Accession Number: 11104269
ISBN
978-1-4244-5238-5

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