{"id":"https://openalex.org/W2791177498","doi":"https://doi.org/10.1109/lwc.2018.2806442","title":"Analysis of the Dependency of Call Duration on the Quality of VoIP Calls","display_name":"Analysis of the Dependency of Call Duration on the Quality of VoIP Calls","publication_year":2018,"publication_date":"2018-02-15","ids":{"openalex":"https://openalex.org/W2791177498","doi":"https://doi.org/10.1109/lwc.2018.2806442","mag":"2791177498"},"language":"en","primary_location":{"id":"doi:10.1109/lwc.2018.2806442","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2018.2806442","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Wireless Communications Letters","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://hdl.handle.net/10467/92020","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5025928389","display_name":"Jan Holub","orcid":"https://orcid.org/0000-0003-3350-534X"},"institutions":[{"id":"https://openalex.org/I44504214","display_name":"Czech Technical University in Prague","ror":"https://ror.org/03kqpb082","country_code":"CZ","type":"education","lineage":["https://openalex.org/I44504214"]}],"countries":["CZ"],"is_corresponding":true,"raw_author_name":"Jan Holub","raw_affiliation_strings":["Department of Measurement, Czech Technical University, Prague, Czech Republic"],"raw_orcid":"https://orcid.org/0000-0003-3350-534X","affiliations":[{"raw_affiliation_string":"Department of Measurement, Czech Technical University, Prague, Czech Republic","institution_ids":["https://openalex.org/I44504214"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5084053246","display_name":"Michael Wallbaum","orcid":"https://orcid.org/0000-0001-7418-9772"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Michael Wallbaum","raw_affiliation_strings":["Voipfuture GmbH, Hamburg, Germany"],"raw_orcid":"https://orcid.org/0000-0001-7418-9772","affiliations":[{"raw_affiliation_string":"Voipfuture GmbH, Hamburg, Germany","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102004623","display_name":"Noah A. Smith","orcid":"https://orcid.org/0000-0002-2387-9789"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Noah Smith","raw_affiliation_strings":["Voipfuture GmbH, Hamburg, Germany"],"raw_orcid":"https://orcid.org/0000-0002-2387-9789","affiliations":[{"raw_affiliation_string":"Voipfuture GmbH, Hamburg, Germany","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5074770966","display_name":"Hakob Avetisyan","orcid":"https://orcid.org/0000-0002-6551-8324"},"institutions":[{"id":"https://openalex.org/I44504214","display_name":"Czech Technical University in Prague","ror":"https://ror.org/03kqpb082","country_code":"CZ","type":"education","lineage":["https://openalex.org/I44504214"]}],"countries":["CZ"],"is_corresponding":false,"raw_author_name":"Hakob Avetisyan","raw_affiliation_strings":["Department of Measurement, Czech Technical University, Prague, Czech Republic"],"raw_orcid":"https://orcid.org/0000-0002-6551-8324","affiliations":[{"raw_affiliation_string":"Department of Measurement, Czech Technical University, Prague, Czech Republic","institution_ids":["https://openalex.org/I44504214"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5025928389"],"corresponding_institution_ids":["https://openalex.org/I44504214"],"apc_list":null,"apc_paid":null,"fwci":2.7358,"has_fulltext":false,"cited_by_count":20,"citation_normalized_percentile":{"value":0.90845856,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"7","issue":"4","first_page":"638","last_page":"641"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10138","display_name":"Network Traffic and Congestion Control","score":0.9973999857902527,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10138","display_name":"Network Traffic and Congestion Control","score":0.9973999857902527,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10575","display_name":"Wireless Communication Networks Research","score":0.9927999973297119,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11499","display_name":"ICT Impact and Policies","score":0.9904999732971191,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/call-duration","display_name":"Call duration","score":0.8827880620956421},{"id":"https://openalex.org/keywords/duration","display_name":"Duration (music)","score":0.8576769828796387},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7963470220565796},{"id":"https://openalex.org/keywords/dependency","display_name":"Dependency (UML)","score":0.6870545148849487},{"id":"https://openalex.org/keywords/voice-over-ip","display_name":"Voice over IP","score":0.6511349678039551},{"id":"https://openalex.org/keywords/quality","display_name":"Quality (philosophy)","score":0.5443590879440308},{"id":"https://openalex.org/keywords/codec","display_name":"Codec","score":0.5104447603225708},{"id":"https://openalex.org/keywords/call-blocking","display_name":"Call blocking","score":0.49829578399658203},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4653535485267639},{"id":"https://openalex.org/keywords/quality-of-service","display_name":"Quality of service","score":0.42233315110206604},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.39672625064849854},{"id":"https://openalex.org/keywords/the-internet","display_name":"The Internet","score":0.3886570334434509},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.13752460479736328},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.11010462045669556}],"concepts":[{"id":"https://openalex.org/C142603982","wikidata":"https://www.wikidata.org/wiki/Q5021615","display_name":"Call duration","level":2,"score":0.8827880620956421},{"id":"https://openalex.org/C112758219","wikidata":"https://www.wikidata.org/wiki/Q16038819","display_name":"Duration (music)","level":2,"score":0.8576769828796387},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7963470220565796},{"id":"https://openalex.org/C19768560","wikidata":"https://www.wikidata.org/wiki/Q320727","display_name":"Dependency (UML)","level":2,"score":0.6870545148849487},{"id":"https://openalex.org/C171246234","wikidata":"https://www.wikidata.org/wiki/Q81945","display_name":"Voice over IP","level":3,"score":0.6511349678039551},{"id":"https://openalex.org/C2779530757","wikidata":"https://www.wikidata.org/wiki/Q1207505","display_name":"Quality (philosophy)","level":2,"score":0.5443590879440308},{"id":"https://openalex.org/C161765866","wikidata":"https://www.wikidata.org/wiki/Q184748","display_name":"Codec","level":2,"score":0.5104447603225708},{"id":"https://openalex.org/C2775972105","wikidata":"https://www.wikidata.org/wiki/Q5021606","display_name":"Call blocking","level":3,"score":0.49829578399658203},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4653535485267639},{"id":"https://openalex.org/C5119721","wikidata":"https://www.wikidata.org/wiki/Q220501","display_name":"Quality of service","level":2,"score":0.42233315110206604},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.39672625064849854},{"id":"https://openalex.org/C110875604","wikidata":"https://www.wikidata.org/wiki/Q75","display_name":"The Internet","level":2,"score":0.3886570334434509},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.13752460479736328},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.11010462045669556},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C124952713","wikidata":"https://www.wikidata.org/wiki/Q8242","display_name":"Literature","level":1,"score":0.0},{"id":"https://openalex.org/C142362112","wikidata":"https://www.wikidata.org/wiki/Q735","display_name":"Art","level":0,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/lwc.2018.2806442","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2018.2806442","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Wireless Communications Letters","raw_type":"journal-article"},{"id":"pmh:oai:dspace.cvut.cz:10467/92020","is_oa":true,"landing_page_url":"http://hdl.handle.net/10467/92020","pdf_url":null,"source":{"id":"https://openalex.org/S4306400739","display_name":"Cvut DSpace (Czech Technical University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I44504214","host_organization_name":"Czech Technical University in Prague","host_organization_lineage":["https://openalex.org/I44504214"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"\u010dl\u00e1nek v \u010dasopise"}],"best_oa_location":{"id":"pmh:oai:dspace.cvut.cz:10467/92020","is_oa":true,"landing_page_url":"http://hdl.handle.net/10467/92020","pdf_url":null,"source":{"id":"https://openalex.org/S4306400739","display_name":"Cvut DSpace (Czech Technical University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I44504214","host_organization_name":"Czech Technical University in Prague","host_organization_lineage":["https://openalex.org/I44504214"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"\u010dl\u00e1nek v \u010dasopise"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W1638352560","https://openalex.org/W1991540087","https://openalex.org/W2076841080","https://openalex.org/W2091824192","https://openalex.org/W2119802615","https://openalex.org/W2137558058","https://openalex.org/W2145137496","https://openalex.org/W2154923088","https://openalex.org/W2164693169","https://openalex.org/W2166021053","https://openalex.org/W2169363975","https://openalex.org/W4234770409"],"related_works":["https://openalex.org/W2922244040","https://openalex.org/W1973628965","https://openalex.org/W1998855589","https://openalex.org/W2107469357","https://openalex.org/W1850838795","https://openalex.org/W2032381400","https://openalex.org/W1591360773","https://openalex.org/W1544319190","https://openalex.org/W2002197024","https://openalex.org/W1663535349"],"abstract_inverted_index":{"This":[0,47],"letter":[1],"analyses":[2],"call":[3,24,27,54,70],"detail":[4],"records":[5],"of":[6,62,68,87],"16":[7],"million":[8],"live":[9],"calls":[10],"over":[11],"Internet-protocol-based":[12],"telecommunications":[13],"networks.":[14],"The":[15,82],"objective":[16],"is":[17,45,103],"to":[18,57],"examine":[19],"the":[20,32,35,39,49,66,92],"dependency":[21],"between":[22,41],"average":[23,69],"duration":[25,44,71],"and":[26,43,116],"quality":[28,42,55,99],"as":[29,72],"perceived":[30],"by":[31],"user.":[33],"Surprisingly,":[34],"analysis":[36],"suggests":[37],"that":[38,52],"connection":[40],"non-monotonic.":[46],"contradicts":[48],"common":[50],"assumption,":[51],"higher":[53],"leads":[56],"longer":[58],"calls.":[59],"In":[60],"light":[61],"this":[63],"new":[64],"finding,":[65,93],"use":[67],"an":[73],"indicator":[74],"for":[75,98],"(aggregated)":[76],"user":[77,88,101],"experience":[78],"must":[79,96],"be":[80],"reconsidered.":[81],"results":[83],"also":[84,108],"impact":[85],"modeling":[86],"behavior.":[89],"Based":[90],"on":[91,110],"such":[94],"models":[95],"account":[97],"since":[100],"behavior":[102],"not":[104],"fully":[105],"inherent,":[106],"but":[107],"depends":[109],"external":[111],"factors":[112],"like":[113],"codec":[114],"choice":[115],"network":[117],"performance.":[118]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":7},{"year":2018,"cited_by_count":2}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2018-03-29T00:00:00"}