Analysis of short term fairness and its impact on packet level performance

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In this paper we consider the one-bit feedback scheduler with a threshold in a wireless network Due to its feedback reduction structure the one-bit feedback scheduler has been studied as one of the good candidates implementable in a practical wireless network, and it is important to determine the threshold value of the one-bit feedback scheduler To solve this problem network throughput and/or long term fairness were mainly considered in previous studies However when we consider the packet level performance such as packet overflow probability both short term fairness and long term fairness should be considered because both significantly affect the packet level performance Accordingly if the scheduler cannot provide a higher level of short term fairness to mobile stations (MSs), the packet level performances of MSs are significantly different from MS to MS even when the scheduler provides strict long term fairness To see the effect of short term fairness on the packet level performance we analyze short term fairness and long term fairness of the one-bit feedback scheduler with a given threshold value We also analyze throughput of each MS and network throughput Based on our analytic results we investigate the Joint effects of short term fairness and network throughput on the packet level performances of MSs We also show that there is a trade-off between short term fairness and network throughput in one-bit feedback scheduling through numerical studies (C) 2010 Elsevier B V All rights reserved
Publisher
ELSEVIER SCIENCE BV
Issue Date
2010-12
Language
English
Article Type
Article
Keywords

EXPLOITING MULTIUSER DIVERSITY; LIMITED FEEDBACK; CHANNELS

Citation

PERFORMANCE EVALUATION, v.67, no.12, pp.1340 - 1352

ISSN
0166-5316
URI
http://hdl.handle.net/10203/24304
Appears in Collection
MA-Journal Papers(저널논문)
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