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An opportunistic uplink scheduling scheme to achieve bandwidth fairness and delay for multiclass traffic in Wi-Max (IEEE 802.16) broadband wireless networks

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Title An opportunistic uplink scheduling scheme to achieve bandwidth fairness and delay for multiclass traffic in Wi-Max (IEEE 802.16) broadband wireless networks
 
Creator RATH, HK
BHORKAR, A
SHARMA, V
 
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Description We present a novel scheme for uplink scheduling in WiMax networks that attempts to balance worst-case fairness in bandwidth allocation with the delay requirements of multiclass traffic, while taking the varying nature of the wireless channel into account. We assume a polling mode of operation at the base station (BS), and provide an analytical technique for obtaining an optimal polling interval k at which the BS should poll the subscriber stations (SSs) to ensure that the delay requirements of traffic are met, while the relative unfairness in bandwidth allocation remains bounded. We also devise an opportunistic deficit round robin (O-DRR) scheme that schedules sessions by taking into account the variations in the wireless channel and the delay constraints of multiclass traffic. We demonstrate that our scheduler provides fairness in bandwidth allocation and robust delay guarantees, thus giving a provider a choice of balancing fairness with delay.
 
Publisher IEEE
 
Date 2011-10-25T12:37:52Z
2011-12-15T09:11:55Z
2011-10-25T12:37:52Z
2011-12-15T09:11:55Z
2006
 
Type Proceedings Paper
 
Identifier GLOBECOM 2006 - 2006 IEEE GLOBAL TELECOMMUNICATIONS CONFERENCE,-
978-1-4244-0356-1
1930-529X
http://dspace.library.iitb.ac.in/xmlui/handle/10054/15721
http://hdl.handle.net/100/2375
 
Source IEEE Global Telecommunications Conference (GLOBECOM 06),San Francisco, CA,NOV 27-DEC 01, 2006
 
Language English