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Maintaining utility fairness using weighting factors in wireless networks
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Mehrjoo, Mehri, Khattar Awad, Mohamad, Dianati, Mehrdad and Shen, Xuemin (2009) Maintaining utility fairness using weighting factors in wireless networks. In: GLOBECOM 2009, Honolulu, HI, USA, 30 Nov - 4 Dec 2009. Published in: IEEE Global Telecommunications Conference, 2009 pp. 1-6. doi:10.1109/GLOCOM.2009.5425586 ISSN 1930-529X.
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Official URL: http://dx.doi.org/10.1109/GLOCOM.2009.5425586
Abstract
Maintaining fairness using weighting factors is a common approach in resource allocation. However, computing weighting factors for multiservice wireless networks is not trivial because users' rate requirements are heterogeneous and their channel gains are variable. In this paper, we propose weighting factor computation and scheduling schemes for orthogonal frequency division multiple access (OFDMA) networks. The weighting factor computation scheme determines each user's share of rate for maintaining a utility notion of fairness. We then present a scheduling scheme which takes the users' weighting factors into consideration to allocate sub-carriers and power in OFDMA networks. The simulation results demonstrate that the proposed scheduling scheme outperforms an opportunistic scheme in terms of fairness performance in different scenarios, where the users are fixed or mobile.
Item Type: | Conference Item (Paper) | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||
Journal or Publication Title: | IEEE Global Telecommunications Conference, 2009 | ||||
Publisher: | IEEE | ||||
ISSN: | 1930-529X | ||||
Book Title: | GLOBECOM 2009 - 2009 IEEE Global Telecommunications Conference | ||||
Official Date: | 2009 | ||||
Dates: |
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Page Range: | pp. 1-6 | ||||
DOI: | 10.1109/GLOCOM.2009.5425586 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Conference Paper Type: | Paper | ||||
Title of Event: | GLOBECOM 2009 | ||||
Type of Event: | Conference | ||||
Location of Event: | Honolulu, HI, USA | ||||
Date(s) of Event: | 30 Nov - 4 Dec 2009 |
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