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An adaptive beam-shaping strategy for WCDMA multicellular networks with non-uniform traffic requirements

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dc.contributor.author Gkonis, PK en
dc.contributor.author Tsoulos, GV en
dc.contributor.author Athanasiadou, GE en
dc.contributor.author Kaklamani, DI en
dc.date.accessioned 2014-03-01T01:27:51Z
dc.date.available 2014-03-01T01:27:51Z
dc.date.issued 2008 en
dc.identifier.issn 17962021 en
dc.identifier.uri https://dspace.lib.ntua.gr/xmlui/handle/123456789/18610
dc.subject Adaptive beamforming en
dc.subject Hospot areas en
dc.subject Monte Carlo simulations en
dc.subject WCDMA en
dc.subject.other Adaptive beamforming en
dc.subject.other Central cells en
dc.subject.other Downlink transmissions en
dc.subject.other Fixed grids en
dc.subject.other Hospot areas en
dc.subject.other Hot spots en
dc.subject.other Monte Carlo simulations en
dc.subject.other Multirate services en
dc.subject.other Non uniforms en
dc.subject.other Sectorization en
dc.subject.other Traffic distributions en
dc.subject.other Uniform traffics en
dc.subject.other WCDMA en
dc.subject.other Wcdma systems en
dc.subject.other Wideband code-division multiple accesses en
dc.subject.other Adaptive antenna arrays en
dc.subject.other Antenna arrays en
dc.subject.other Blocking probability en
dc.subject.other Monte Carlo methods en
dc.subject.other MOSFET devices en
dc.subject.other Probability distributions en
dc.subject.other Throughput en
dc.subject.other Wireless telecommunication systems en
dc.subject.other Computer networks en
dc.title An adaptive beam-shaping strategy for WCDMA multicellular networks with non-uniform traffic requirements en
heal.type journalArticle en
heal.identifier.primary 10.4304/jcm.3.4.16-25 en
heal.identifier.secondary http://dx.doi.org/10.4304/jcm.3.4.16-25 en
heal.publicationDate 2008 en
heal.abstract This paper investigates the performance of an adaptive beam-shaping (ABS) strategy for wideband code division multiple access (WCDMA) multicellular networks with antenna arrays (AAs) at the base station (BS). The purpose of this ABS strategy is to form beams in directions of increased traffic distribution while at the same time minimize the total downlink transmission power. Performance is evaluated statistically with Monte Carlo (MC) simulations through a grid-enabled WCDMA system level simulator in terms of achievable throughput per beam for a network with up to four tiers of cells and increased loading (up to 90%). Results are presented for multirate services which show that the proposed ABS strategy can increase the throughput per beam relatively to a fixed grid of beams sectorization strategy up to 75/120/165% with 1/2/3 hotspots per cell respectively, while this gain is up to 35% for uniform traffic distribution. Moreover, it is shown that this gain can be achieved while at the same time the blocking probability in the central cell is reduced and the overall throughput of the network increased. © 2008 Academy Publisher. en
heal.journalName Journal of Communications en
dc.identifier.doi 10.4304/jcm.3.4.16-25 en
dc.identifier.volume 3 en
dc.identifier.issue 4 en
dc.identifier.spage 16 en
dc.identifier.epage 25 en


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