Downlink data rate, energy and spectral efficiency distribution in heterogeneous networks with cell-edge located small cells

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buir.contributor.authorYenihayat, Güven
buir.contributor.authorKaraşan, Ezhan
dc.citation.epage2608en_US
dc.citation.issueNumber4en_US
dc.citation.spage2595en_US
dc.citation.volumeNumber26en_US
dc.contributor.authorYenihayat, Güvenen_US
dc.contributor.authorKaraşan, Ezhanen_US
dc.date.accessioned2020-02-03T10:40:13Zen_US
dc.date.available2020-02-03T10:40:13Zen_US
dc.date.issued2020en_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.description.abstractIn this paper, the probability distributions of per user downlink data rate, spectral efficiency (SE) and energy efficiency (EE) are analytically derived for a heterogeneous network model with cell-edge located small cells. The high accuracies of analytically derived cumulative distribution functions (CDF) are verified using distributions obtained via simulations. CDF expressions are then used in order to optimize key performance indicators (KPI) which are selected here as 10th percentile downlink data rate (R10), spectral efficiency (SE10) and energy efficiency (EE10). In addition to optimizing KPIs separately, we also investigate the variation of the KPIs with respect to each other employing the analytically derived distributions. The results show that the resource allocation parameter values maximizing R10 are very close to the values that maximize EE10. However, the values that are optimal for EE10 and R10 are not optimal for SE10, which demonstrates the EE and SE trade-off in HetNets.en_US
dc.description.provenanceSubmitted by Zeynep Aykut (zeynepay@bilkent.edu.tr) on 2020-02-03T10:40:13Z No. of bitstreams: 1 Downlink_data_rate_energy_and_spectral_efficiency_distribution_in_heterogeneous_networks_with_cell-edge_located_small_cells.pdf: 2114785 bytes, checksum: 3c7eb536e01862282c97853bc4081908 (MD5)en
dc.description.provenanceMade available in DSpace on 2020-02-03T10:40:13Z (GMT). No. of bitstreams: 1 Downlink_data_rate_energy_and_spectral_efficiency_distribution_in_heterogeneous_networks_with_cell-edge_located_small_cells.pdf: 2114785 bytes, checksum: 3c7eb536e01862282c97853bc4081908 (MD5) Previous issue date: 2019en
dc.identifier.doi10.1007/s11276-019-02024-4en_US
dc.identifier.issn1022-0038
dc.identifier.urihttp://hdl.handle.net/11693/52992
dc.language.isoEnglishen_US
dc.publisherSpringeren_US
dc.relation.isversionofhttps://dx.doi.org/10.1007/s11276-019-02024-4en_US
dc.source.titleWireless Networksen_US
dc.subjectHeterogeneous networksen_US
dc.subjectDownlink data rate distributionen_US
dc.subjectSpectral efficiency/energy efficiency trade-offen_US
dc.titleDownlink data rate, energy and spectral efficiency distribution in heterogeneous networks with cell-edge located small cellsen_US
dc.typeArticleen_US

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