{"id":"https://openalex.org/W2120205063","doi":"https://doi.org/10.1109/iscc.2009.5202392","title":"VoIP over WiMAX: Quality of experience evaluation","display_name":"VoIP over WiMAX: Quality of experience evaluation","publication_year":2009,"publication_date":"2009-07-01","ids":{"openalex":"https://openalex.org/W2120205063","doi":"https://doi.org/10.1109/iscc.2009.5202392","mag":"2120205063"},"language":"en","primary_location":{"id":"doi:10.1109/iscc.2009.5202392","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscc.2009.5202392","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE Symposium on Computers and Communications","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5067027176","display_name":"Vitor Bernardo","orcid":"https://orcid.org/0000-0003-0824-3253"},"institutions":[{"id":"https://openalex.org/I76903346","display_name":"University of Coimbra","ror":"https://ror.org/04z8k9a98","country_code":"PT","type":"education","lineage":["https://openalex.org/I76903346"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Vitor Bernardo","raw_affiliation_strings":["Laboratory of Communications and Telematics Department of Informatics Engineering, University of Coimbra, Portugal","Laboratory of Communications and Telematics, Department of Informatics Engineering, University of Coimbra, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratory of Communications and Telematics Department of Informatics Engineering, University of Coimbra, Portugal","institution_ids":["https://openalex.org/I76903346"]},{"raw_affiliation_string":"Laboratory of Communications and Telematics, Department of Informatics Engineering, University of Coimbra, Portugal","institution_ids":["https://openalex.org/I76903346"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056294332","display_name":"Bruno Sousa","orcid":"https://orcid.org/0000-0002-5907-5790"},"institutions":[{"id":"https://openalex.org/I76903346","display_name":"University of Coimbra","ror":"https://ror.org/04z8k9a98","country_code":"PT","type":"education","lineage":["https://openalex.org/I76903346"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Bruno Sousa","raw_affiliation_strings":["Laboratory of Communications and Telematics Department of Informatics Engineering, University of Coimbra, Portugal","Laboratory of Communications and Telematics, Department of Informatics Engineering, University of Coimbra, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratory of Communications and Telematics Department of Informatics Engineering, University of Coimbra, Portugal","institution_ids":["https://openalex.org/I76903346"]},{"raw_affiliation_string":"Laboratory of Communications and Telematics, Department of Informatics Engineering, University of Coimbra, Portugal","institution_ids":["https://openalex.org/I76903346"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5022354164","display_name":"Mar\u00edlia Curado","orcid":"https://orcid.org/0000-0001-6760-4675"},"institutions":[{"id":"https://openalex.org/I76903346","display_name":"University of Coimbra","ror":"https://ror.org/04z8k9a98","country_code":"PT","type":"education","lineage":["https://openalex.org/I76903346"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Marilia Curado","raw_affiliation_strings":["Laboratory of Communications and Telematics Department of Informatics Engineering, University of Coimbra, Portugal","Laboratory of Communications and Telematics, Department of Informatics Engineering, University of Coimbra, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratory of Communications and Telematics Department of Informatics Engineering, University of Coimbra, Portugal","institution_ids":["https://openalex.org/I76903346"]},{"raw_affiliation_string":"Laboratory of Communications and Telematics, Department of Informatics Engineering, University of Coimbra, Portugal","institution_ids":["https://openalex.org/I76903346"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I76903346"],"apc_list":null,"apc_paid":null,"fwci":1.6218,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.83833993,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"42","last_page":"47"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10138","display_name":"Network Traffic and Congestion Control","score":0.9998000264167786,"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":0.9998000264167786,"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/T11409","display_name":"Advanced Wireless Network Optimization","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10651","display_name":"IPv6, Mobility, Handover, Networks, Security","score":0.9994000196456909,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"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/voice-over-ip","display_name":"Voice over IP","score":0.9631547927856445},{"id":"https://openalex.org/keywords/wimax","display_name":"WiMAX","score":0.9025365114212036},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.7674200534820557},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7425400018692017},{"id":"https://openalex.org/keywords/network-packet","display_name":"Network packet","score":0.6031468510627747},{"id":"https://openalex.org/keywords/packet-loss","display_name":"Packet loss","score":0.5779648423194885},{"id":"https://openalex.org/keywords/mobile-communications-over-ip","display_name":"Mobile communications over IP","score":0.5700955390930176},{"id":"https://openalex.org/keywords/wireless-broadband","display_name":"Wireless broadband","score":0.5179416537284851},{"id":"https://openalex.org/keywords/quality-of-service","display_name":"Quality of service","score":0.49568140506744385},{"id":"https://openalex.org/keywords/provisioning","display_name":"Provisioning","score":0.483323335647583},{"id":"https://openalex.org/keywords/quality","display_name":"Quality (philosophy)","score":0.47399771213531494},{"id":"https://openalex.org/keywords/broadband","display_name":"Broadband","score":0.4491845369338989},{"id":"https://openalex.org/keywords/broadband-networks","display_name":"Broadband networks","score":0.4186890125274658},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.3929483890533447},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.32533109188079834},{"id":"https://openalex.org/keywords/wireless-network","display_name":"Wireless network","score":0.2921687364578247},{"id":"https://openalex.org/keywords/the-internet","display_name":"The Internet","score":0.23817986249923706},{"id":"https://openalex.org/keywords/mobile-telephony","display_name":"Mobile telephony","score":0.188282310962677},{"id":"https://openalex.org/keywords/mobile-radio","display_name":"Mobile radio","score":0.15788540244102478},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.05997258424758911}],"concepts":[{"id":"https://openalex.org/C171246234","wikidata":"https://www.wikidata.org/wiki/Q81945","display_name":"Voice over IP","level":3,"score":0.9631547927856445},{"id":"https://openalex.org/C113950482","wikidata":"https://www.wikidata.org/wiki/Q133973","display_name":"WiMAX","level":3,"score":0.9025365114212036},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.7674200534820557},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7425400018692017},{"id":"https://openalex.org/C158379750","wikidata":"https://www.wikidata.org/wiki/Q214111","display_name":"Network packet","level":2,"score":0.6031468510627747},{"id":"https://openalex.org/C54108766","wikidata":"https://www.wikidata.org/wiki/Q391064","display_name":"Packet loss","level":3,"score":0.5779648423194885},{"id":"https://openalex.org/C207438416","wikidata":"https://www.wikidata.org/wiki/Q6887084","display_name":"Mobile communications over IP","level":5,"score":0.5700955390930176},{"id":"https://openalex.org/C85608190","wikidata":"https://www.wikidata.org/wiki/Q922050","display_name":"Wireless broadband","level":4,"score":0.5179416537284851},{"id":"https://openalex.org/C5119721","wikidata":"https://www.wikidata.org/wiki/Q220501","display_name":"Quality of service","level":2,"score":0.49568140506744385},{"id":"https://openalex.org/C172191483","wikidata":"https://www.wikidata.org/wiki/Q1071806","display_name":"Provisioning","level":2,"score":0.483323335647583},{"id":"https://openalex.org/C2779530757","wikidata":"https://www.wikidata.org/wiki/Q1207505","display_name":"Quality (philosophy)","level":2,"score":0.47399771213531494},{"id":"https://openalex.org/C509933004","wikidata":"https://www.wikidata.org/wiki/Q194163","display_name":"Broadband","level":2,"score":0.4491845369338989},{"id":"https://openalex.org/C125599584","wikidata":"https://www.wikidata.org/wiki/Q15057100","display_name":"Broadband networks","level":3,"score":0.4186890125274658},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.3929483890533447},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.32533109188079834},{"id":"https://openalex.org/C108037233","wikidata":"https://www.wikidata.org/wiki/Q11375","display_name":"Wireless network","level":3,"score":0.2921687364578247},{"id":"https://openalex.org/C110875604","wikidata":"https://www.wikidata.org/wiki/Q75","display_name":"The Internet","level":2,"score":0.23817986249923706},{"id":"https://openalex.org/C95491727","wikidata":"https://www.wikidata.org/wiki/Q992968","display_name":"Mobile telephony","level":3,"score":0.188282310962677},{"id":"https://openalex.org/C2781307350","wikidata":"https://www.wikidata.org/wiki/Q6887221","display_name":"Mobile radio","level":2,"score":0.15788540244102478},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.05997258424758911},{"id":"https://openalex.org/C36800599","wikidata":"https://www.wikidata.org/wiki/Q915808","display_name":"Public land mobile network","level":4,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"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/iscc.2009.5202392","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscc.2009.5202392","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE Symposium on Computers and Communications","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.705.9660","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.705.9660","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"https://eden.dei.uc.pt/%7Evmbern/publications/pdf/pubVB-3.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.47999998927116394,"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W1992298983","https://openalex.org/W2038659073","https://openalex.org/W2059350743","https://openalex.org/W2083987357","https://openalex.org/W2092293380","https://openalex.org/W2099040451","https://openalex.org/W2105628220","https://openalex.org/W2154370884","https://openalex.org/W2167062917","https://openalex.org/W2168468073","https://openalex.org/W2183232964"],"related_works":["https://openalex.org/W2072065756","https://openalex.org/W2741704743","https://openalex.org/W111209169","https://openalex.org/W898799426","https://openalex.org/W2168854337","https://openalex.org/W2280717619","https://openalex.org/W2560301344","https://openalex.org/W1023829778","https://openalex.org/W2185115239","https://openalex.org/W2763095321"],"abstract_inverted_index":{"VoIP":[0,46,60,74,109],"applications":[1],"are":[2,32],"being":[3,33],"widely":[4],"used":[5],"in":[6,51,103,115,123],"today's":[7],"networks":[8],"challenging":[9],"their":[10],"capabilities":[11],"to":[12,20,37,40],"provide":[13],"a":[14,55,64,105,116],"good":[15,106],"quality":[16,62,75,80,107],"of":[17,45],"experience":[18],"level":[19],"the":[21,42,59,79,83,124,138],"users.":[22],"In":[23],"particular,":[24],"new":[25],"wireless":[26],"broadband":[27],"technologies,":[28],"such":[29,93],"as":[30,86,88,94],"WiMAX,":[31],"deployed":[34],"and":[35,70,97],"need":[36],"be":[38],"evaluated":[39],"check":[41],"performance":[43,132],"levels":[44],"services.":[47],"The":[48,100],"work":[49],"presented":[50],"this":[52],"paper":[53],"is":[54,76],"unique":[56],"contribution":[57],"assessing":[58],"sessions":[61],"on":[63],"real":[65],"WiMAX":[66,117],"test-bed,":[67],"using":[68],"UDP/RTP":[69],"DCCP":[71,127],"transport":[72],"protocols.":[73],"measured":[77],"according":[78],"perceived":[81],"by":[82],"end":[84],"users":[85,114],"well":[87],"through":[89],"conventional":[90],"network":[91],"parameters,":[92],"one-way":[95],"delay":[96],"packet":[98],"loss.":[99],"results":[101],"put":[102],"evidence":[104],"for":[108],"services":[110],"with":[111,119,135],"60":[112],"simultaneous":[113],"link":[118],"resources":[120],"pre-provisioned.":[121],"Moreover,":[122],"scenarios":[125],"tested,":[126],"has":[128],"not":[129],"shown":[130],"enhanced":[131],"when":[133],"compared":[134],"UDP/RTP,":[136],"despite":[137],"congestion":[139],"control":[140],"mechanisms":[141],"natively":[142],"supported.":[143]},"counts_by_year":[{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":2}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
