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Article: Performance analysis of borrowing with directional carrier locking strategy in cellular radio systems

TitlePerformance analysis of borrowing with directional carrier locking strategy in cellular radio systems
Authors
Issue Date2000
PublisherOxford University Press. The Journal's web site is located at http://ietcom.oxfordjournals.org/
Citation
Ieice Transactions On Communications, 2000, v. E83-B n. 10, p. 2394-2401 How to Cite?
AbstractA new carrier based dynamic channel assignment for FDMA/TDMA cellular systems, called borrowing with directional carrier locking strategy, is proposed in this paper. When a call arrives at a cell and finds all voice channels busy, a carrier which consists of multiple voice channels can be borrowed from its neighboring cells for carrying the new call if such borrowing will not violate the cochannel interference constraint. Two analytical models, cell group decoupling analysis and phantom cell analysis, are constructed for evaluating the performance of the proposed strategy. Using cell group decoupling (CGD) analysis, a cell is decoupled together with its neighbors from the rest of the network for finding its call blocking probability. Unlike conventional approaches, decoupling enables the analysis to be confined to a local/small problem size and thus efficient solution can be found. For a planar cellular system with three-cell channel reuse pattern, using CGD analysis involves solving of seven-dimensional Markov chains. It becomes less efficient as the number of carriers assigned to each cell increases. To tackle this, we adopt the phantom cell analysis which can simplify the seven-dimensional Markov chain to two three-dimensional Markov chains. Using phantom cell analysis for finding the call blocking probability of a cell, two phantom cells are used to represent its six neighbors. Based on extensive numerical results, we show that the proposed strategy is very efficient in sharing resources among base stations. For low to medium traffic loads and small number of voice channels per carrier, we show that both analytical models provide accurate prediction on the system call blocking probability.
Persistent Identifierhttp://hdl.handle.net/10722/155133
ISSN
2023 Impact Factor: 0.7
2023 SCImago Journal Rankings: 0.246
References

 

DC FieldValueLanguage
dc.contributor.authorYeung, KLen_US
dc.contributor.authorYum, TSPen_US
dc.date.accessioned2012-08-08T08:32:00Z-
dc.date.available2012-08-08T08:32:00Z-
dc.date.issued2000en_US
dc.identifier.citationIeice Transactions On Communications, 2000, v. E83-B n. 10, p. 2394-2401en_US
dc.identifier.issn0916-8516en_US
dc.identifier.urihttp://hdl.handle.net/10722/155133-
dc.description.abstractA new carrier based dynamic channel assignment for FDMA/TDMA cellular systems, called borrowing with directional carrier locking strategy, is proposed in this paper. When a call arrives at a cell and finds all voice channels busy, a carrier which consists of multiple voice channels can be borrowed from its neighboring cells for carrying the new call if such borrowing will not violate the cochannel interference constraint. Two analytical models, cell group decoupling analysis and phantom cell analysis, are constructed for evaluating the performance of the proposed strategy. Using cell group decoupling (CGD) analysis, a cell is decoupled together with its neighbors from the rest of the network for finding its call blocking probability. Unlike conventional approaches, decoupling enables the analysis to be confined to a local/small problem size and thus efficient solution can be found. For a planar cellular system with three-cell channel reuse pattern, using CGD analysis involves solving of seven-dimensional Markov chains. It becomes less efficient as the number of carriers assigned to each cell increases. To tackle this, we adopt the phantom cell analysis which can simplify the seven-dimensional Markov chain to two three-dimensional Markov chains. Using phantom cell analysis for finding the call blocking probability of a cell, two phantom cells are used to represent its six neighbors. Based on extensive numerical results, we show that the proposed strategy is very efficient in sharing resources among base stations. For low to medium traffic loads and small number of voice channels per carrier, we show that both analytical models provide accurate prediction on the system call blocking probability.en_US
dc.languageengen_US
dc.publisherOxford University Press. The Journal's web site is located at http://ietcom.oxfordjournals.org/en_US
dc.relation.ispartofIEICE Transactions on Communicationsen_US
dc.titlePerformance analysis of borrowing with directional carrier locking strategy in cellular radio systemsen_US
dc.typeArticleen_US
dc.identifier.emailYeung, KL:kyeung@eee.hku.hken_US
dc.identifier.authorityYeung, KL=rp00204en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-0034291901en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0034291901&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volumeE83-Ben_US
dc.identifier.issue10en_US
dc.identifier.spage2394en_US
dc.identifier.epage2401en_US
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridYeung, KL=7202424908en_US
dc.identifier.scopusauthoridYum, TSP=7006506507en_US
dc.identifier.issnl0916-8516-

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