{"id":"https://openalex.org/W2045928466","doi":"https://doi.org/10.1109/iswcs.2006.4362392","title":"On the UMTS-HSDPA in High Altitude Platforms (HAPs) Communications","display_name":"On the UMTS-HSDPA in High Altitude Platforms (HAPs) Communications","publication_year":2006,"publication_date":"2006-09-01","ids":{"openalex":"https://openalex.org/W2045928466","doi":"https://doi.org/10.1109/iswcs.2006.4362392","mag":"2045928466"},"language":"en","primary_location":{"id":"doi:10.1109/iswcs.2006.4362392","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iswcs.2006.4362392","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2006 3rd International Symposium on Wireless Communication Systems","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://repositorio.uam.es/bitstream/10486/667324/1/UMTS-HSDPA_taha-ahmed_TJEECS_2007.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5008943132","display_name":"Bazil Taha Ahmed","orcid":"https://orcid.org/0000-0001-7383-9462"},"institutions":[{"id":"https://openalex.org/I63634437","display_name":"Universidad Aut\u00f3noma de Madrid","ror":"https://ror.org/01cby8j38","country_code":"ES","type":"education","lineage":["https://openalex.org/I63634437"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Bazil Taha Ahmed","raw_affiliation_strings":["Escuela Politecnica Superior, Universidad Autonoma de Madrid, Madrid, Spain","Univ. Autonoma de Madrid, Madrid"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Escuela Politecnica Superior, Universidad Autonoma de Madrid, Madrid, Spain","institution_ids":["https://openalex.org/I63634437"]},{"raw_affiliation_string":"Univ. Autonoma de Madrid, Madrid","institution_ids":["https://openalex.org/I63634437"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008544240","display_name":"Miguel Calvo Ram\u00f3n","orcid":"https://orcid.org/0000-0002-0061-9212"},"institutions":[{"id":"https://openalex.org/I88060688","display_name":"Universidad Polit\u00e9cnica de Madrid","ror":"https://ror.org/03n6nwv02","country_code":"ES","type":"education","lineage":["https://openalex.org/I88060688"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Miguel Calvo Ramon","raw_affiliation_strings":["ETSI de Telecomunicacion, Universidad Politecnica de Madrid, Madrid, Spain","Universidad Polit\u00e9cnica de Madrid, ETSI de Telecomunicaci\u00f3n, Madrid, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ETSI de Telecomunicacion, Universidad Politecnica de Madrid, Madrid, Spain","institution_ids":["https://openalex.org/I88060688"]},{"raw_affiliation_string":"Universidad Polit\u00e9cnica de Madrid, ETSI de Telecomunicaci\u00f3n, Madrid, Spain","institution_ids":["https://openalex.org/I88060688"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5048702183","display_name":"Leandro de Haro Ariet","orcid":"https://orcid.org/0000-0003-3572-1986"},"institutions":[{"id":"https://openalex.org/I88060688","display_name":"Universidad Polit\u00e9cnica de Madrid","ror":"https://ror.org/03n6nwv02","country_code":"ES","type":"education","lineage":["https://openalex.org/I88060688"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Leandro Haro Ariet","raw_affiliation_strings":["ETSI de Telecomunicacion, Universidad Politecnica de Madrid, Madrid, Spain","Universidad Polit\u00e9cnica de Madrid, ETSI de Telecomunicaci\u00f3n, Madrid, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ETSI de Telecomunicacion, Universidad Politecnica de Madrid, Madrid, Spain","institution_ids":["https://openalex.org/I88060688"]},{"raw_affiliation_string":"Universidad Polit\u00e9cnica de Madrid, ETSI de Telecomunicaci\u00f3n, Madrid, Spain","institution_ids":["https://openalex.org/I88060688"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.0385,"has_fulltext":true,"cited_by_count":7,"citation_normalized_percentile":{"value":0.71565643,"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":"704","last_page":"708"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"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"}},"topics":[{"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/T10575","display_name":"Wireless Communication Networks Research","score":0.9995999932289124,"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/T10148","display_name":"Advanced MIMO Systems Optimization","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/umts-frequency-bands","display_name":"UMTS frequency bands","score":0.8044633865356445},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.6926202178001404},{"id":"https://openalex.org/keywords/quadrature-amplitude-modulation","display_name":"Quadrature amplitude modulation","score":0.688632607460022},{"id":"https://openalex.org/keywords/phase-shift-keying","display_name":"Phase-shift keying","score":0.6767849326133728},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5572307705879211},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.5364608764648438},{"id":"https://openalex.org/keywords/code-division-multiple-access","display_name":"Code division multiple access","score":0.5291075110435486},{"id":"https://openalex.org/keywords/modulation","display_name":"Modulation (music)","score":0.48707345128059387},{"id":"https://openalex.org/keywords/network-packet","display_name":"Network packet","score":0.4788634479045868},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.43051791191101074},{"id":"https://openalex.org/keywords/bit-error-rate","display_name":"Bit error rate","score":0.19866517186164856},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.18465951085090637},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.18150505423545837},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.1597379744052887}],"concepts":[{"id":"https://openalex.org/C101618186","wikidata":"https://www.wikidata.org/wiki/Q3633928","display_name":"UMTS frequency bands","level":2,"score":0.8044633865356445},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.6926202178001404},{"id":"https://openalex.org/C32409245","wikidata":"https://www.wikidata.org/wiki/Q749753","display_name":"Quadrature amplitude modulation","level":4,"score":0.688632607460022},{"id":"https://openalex.org/C186378180","wikidata":"https://www.wikidata.org/wiki/Q4874866","display_name":"Phase-shift keying","level":4,"score":0.6767849326133728},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5572307705879211},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.5364608764648438},{"id":"https://openalex.org/C47696715","wikidata":"https://www.wikidata.org/wiki/Q233394","display_name":"Code division multiple access","level":2,"score":0.5291075110435486},{"id":"https://openalex.org/C123079801","wikidata":"https://www.wikidata.org/wiki/Q750240","display_name":"Modulation (music)","level":2,"score":0.48707345128059387},{"id":"https://openalex.org/C158379750","wikidata":"https://www.wikidata.org/wiki/Q214111","display_name":"Network packet","level":2,"score":0.4788634479045868},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.43051791191101074},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.19866517186164856},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.18465951085090637},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.18150505423545837},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1597379744052887},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/iswcs.2006.4362392","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iswcs.2006.4362392","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2006 3rd International Symposium on Wireless Communication Systems","raw_type":"proceedings-article"},{"id":"pmh:oai:repositorio.uam.es:10486/667324","is_oa":true,"landing_page_url":"http://hdl.handle.net/10486/667324","pdf_url":"https://repositorio.uam.es/bitstream/10486/667324/1/UMTS-HSDPA_taha-ahmed_TJEECS_2007.pdf","source":{"id":"https://openalex.org/S4306400964","display_name":"Biblos-e Archivo (Universidad Aut\u00f3noma de Madrid)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I63634437","host_organization_name":"Universidad Aut\u00f3noma de Madrid","host_organization_lineage":["https://openalex.org/I63634437"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"research article"}],"best_oa_location":{"id":"pmh:oai:repositorio.uam.es:10486/667324","is_oa":true,"landing_page_url":"http://hdl.handle.net/10486/667324","pdf_url":"https://repositorio.uam.es/bitstream/10486/667324/1/UMTS-HSDPA_taha-ahmed_TJEECS_2007.pdf","source":{"id":"https://openalex.org/S4306400964","display_name":"Biblos-e Archivo (Universidad Aut\u00f3noma de Madrid)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I63634437","host_organization_name":"Universidad Aut\u00f3noma de Madrid","host_organization_lineage":["https://openalex.org/I63634437"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"research article"},"sustainable_development_goals":[{"score":0.8299999833106995,"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11"}],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2045928466.pdf","grobid_xml":"https://content.openalex.org/works/W2045928466.grobid-xml"},"referenced_works_count":4,"referenced_works":["https://openalex.org/W2077121146","https://openalex.org/W2097519547","https://openalex.org/W2126421675","https://openalex.org/W2131453762"],"related_works":["https://openalex.org/W2893995248","https://openalex.org/W2148868771","https://openalex.org/W2085207364","https://openalex.org/W2901356766","https://openalex.org/W1564763975","https://openalex.org/W2018164385","https://openalex.org/W1993069619","https://openalex.org/W2408534990","https://openalex.org/W2003011219","https://openalex.org/W2366061186"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"the":[3,29,49,55,70,75,89],"performance":[4],"of":[5,96,118,140],"HAPs":[6],"(High":[7,12],"Altitudes":[8],"Platforms)":[9],"UMTS":[10],"HSDPA":[11,71,110,149],"Speed":[13],"Downlink":[14],"Packet":[15],"Access)":[16],"is":[17,34,42,52,64,104,146],"studied":[18,32],"for":[19,45,58],"different":[20],"scenarios":[21],"and":[22,26,120,165],"two":[23],"directions":[24],"(0\u00b0":[25],"30\u00b0)":[27],"within":[28],"cell.":[30],"The":[31],"network":[33],"assumed":[35],"to":[36],"have":[37],"61":[38],"ground":[39],"cells.":[40],"It":[41,63,145],"conclude":[43],"that,":[44,106,148],"urban":[46,108,133],"zone":[47],"users,":[48],"effective":[50,56],"range":[51,57],"lower":[53],"than":[54],"users":[59,151],"in":[60,67,107,162],"rural":[61,68,87,163],"zones.":[62],"noticed":[65,105,147],"that":[66],"zones,":[69,109],"mode":[72,111],"can":[73,98,112,142,156],"support":[74,113],"modulation":[76,91,122,154],"16QAM":[77,90,114,153],"when":[78,124,159],"cells":[79,125,160],"are":[80,126,166],"not":[81,99,127,167],"fully":[82,85,128,131,168],"loaded.":[83,129,169],"For":[84,130],"loaded":[86,132],"cells,":[88,134],"scheme":[92,155],"with":[93,115,137,152],"code":[94,116,138],"rate":[95,117,139],"\u215e":[97],"be":[100,143,157],"supported.":[101,144],"Also,":[102],"it":[103],"frac12":[119],"QPSK":[121,136],"schemes":[123],"only":[135],"\u00bd":[141],"multi":[150],"supported":[158],"exist":[161],"zones":[164]},"counts_by_year":[{"year":2016,"cited_by_count":2},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-08-22T07:34:49.880490","created_date":"2025-10-10T00:00:00"}