Performance Analysis for Resource Coordination in High-density Wireless Environment

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dc.contributor.author Zheng, Lihong en_US
dc.contributor.author Hoang, Doan en_US
dc.contributor.editor IEEE en_US
dc.date.accessioned 2010-05-28T10:02:31Z
dc.date.available 2010-05-28T10:02:31Z
dc.date.issued 2008 en_US
dc.identifier 2008001002 en_US
dc.identifier.citation Zheng Lihong and Hoang Doan 2008, 'Performance Analysis for Resource Coordination in High-density Wireless Environment', IEEE, Piscataway, NJ, pp. 685-690. en_US
dc.identifier.issn 978-1-4244-2702-4 en_US
dc.identifier.other E1 en_US
dc.identifier.uri http://hdl.handle.net/10453/11189
dc.description.abstract en_US
dc.description.abstract The cochannel overlapping basic service sets (OBSS) wireless interference is unavoidable in a high-density overlapping BSS environment. In order to provide interference-free environment and, at the same time, Quality of Services, centralized resources coordination functionalities particularly in Medium Access Control (MAC) layer are required. The proposed scheme, based on the context of 802.11 WiFi, separates the uplink and downlink transmission into two periods governed by contention scheme and polling scheme respectively. The possible collisions during the synchronized uplink period are avoided because of the natures of contention scheme used. During the downlink period, the grouping assignments, using coloring theory, are carried out based on the topology to divide BSSs into groups and then time spans to avoid collision. The constraint of grouping is that no two overlapping BSSs could be assigned to the same group/time span, so interferences are minimized using time division technique. A complete performance analysis in a number of simulation scenarios is finally presented. en_US
dc.language en_US
dc.publisher IEEE en_US
dc.relation.isbasedon en_US
dc.relation.isbasedon http://dx.doi.org/10.1109/ISCC.2008.4625676 en_US
dc.title Performance Analysis for Resource Coordination in High-density Wireless Environment en_US
dc.parent 2008 IEEE Symposium on Computers and Communications (ISCC '08) en_US
dc.journal.volume en_US
dc.journal.number en_US
dc.publocation Piscataway, NJ en_US
dc.identifier.startpage 685 en_US
dc.identifier.endpage 690 en_US
dc.cauo.name FEIT.School of Computing and Communications en_US
dc.conference Verified OK en_US
dc.for 080500 en_US
dc.personcode 10144691 en_US
dc.personcode 010772 en_US
dc.percentage 100 en_US
dc.classification.name Distributed Computing en_US
dc.classification.type FOR-08 en_US
dc.edition en_US
dc.custom en_US
dc.custom IEEE Symposium on Computers and Communications en_US
dc.date.activity 20080706 en_US
dc.location.activity Marrakech, Morocco en_US
dc.description.keywords en_US
dc.description.keywords access protocols , telecommunication congestion control , telecommunication network topology , wireless LAN en_US
dc.staffid 010772 en_US


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