{"id":"https://openalex.org/W2160022758","doi":"https://doi.org/10.1109/pimrc.2007.4394710","title":"Impact of Antenna Configuration on UMTS Performance in High Altitude Platforms","display_name":"Impact of Antenna Configuration on UMTS Performance in High Altitude Platforms","publication_year":2007,"publication_date":"2007-01-01","ids":{"openalex":"https://openalex.org/W2160022758","doi":"https://doi.org/10.1109/pimrc.2007.4394710","mag":"2160022758"},"language":"en","primary_location":{"id":"doi:10.1109/pimrc.2007.4394710","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc.2007.4394710","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 IEEE 18th International Symposium on Personal, Indoor and Mobile Radio Communications","raw_type":"proceedings-article"},"type":"article","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/A5053210156","display_name":"Tero Isotalo","orcid":"https://orcid.org/0000-0003-3405-5918"},"institutions":[{"id":"https://openalex.org/I4210133110","display_name":"Tampere University","ror":null,"country_code":"FI","type":null,"lineage":["https://openalex.org/I4210133110"]}],"countries":["FI"],"is_corresponding":true,"raw_author_name":"T. Isotalo","raw_affiliation_strings":["Institute of Communications Engineering, Tampere University of Technology, Finland"],"affiliations":[{"raw_affiliation_string":"Institute of Communications Engineering, Tampere University of Technology, Finland","institution_ids":["https://openalex.org/I4210133110"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034165200","display_name":"P. Lahdekorpi","orcid":null},"institutions":[{"id":"https://openalex.org/I4210133110","display_name":"Tampere University","ror":null,"country_code":"FI","type":null,"lineage":["https://openalex.org/I4210133110"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"P. Lahdekorpi","raw_affiliation_strings":["Institute of Communications Engineering, Tampere University of Technology, Finland"],"affiliations":[{"raw_affiliation_string":"Institute of Communications Engineering, Tampere University of Technology, Finland","institution_ids":["https://openalex.org/I4210133110"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003420730","display_name":"J. Cazorla","orcid":null},"institutions":[{"id":"https://openalex.org/I4210133110","display_name":"Tampere University","ror":null,"country_code":"FI","type":null,"lineage":["https://openalex.org/I4210133110"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"J. Cazorla","raw_affiliation_strings":["Institute of Communications Engineering, Tampere University of Technology, Finland"],"affiliations":[{"raw_affiliation_string":"Institute of Communications Engineering, Tampere University of Technology, Finland","institution_ids":["https://openalex.org/I4210133110"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5032825199","display_name":"Jukka Lempi\u00e4inen","orcid":"https://orcid.org/0000-0003-2016-8903"},"institutions":[{"id":"https://openalex.org/I4210133110","display_name":"Tampere University","ror":null,"country_code":"FI","type":null,"lineage":["https://openalex.org/I4210133110"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"J. Lempiainen","raw_affiliation_strings":["Institute of Communications Engineering, Tampere University of Technology, Finland"],"affiliations":[{"raw_affiliation_string":"Institute of Communications Engineering, Tampere University of Technology, Finland","institution_ids":["https://openalex.org/I4210133110"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5053210156"],"corresponding_institution_ids":["https://openalex.org/I4210133110"],"apc_list":null,"apc_paid":null,"fwci":0.3209,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.67785423,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10575","display_name":"Wireless Communication Networks Research","score":0.9997000098228455,"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/T10575","display_name":"Wireless Communication Networks Research","score":0.9997000098228455,"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/T12042","display_name":"Satellite Communication Systems","score":0.9973999857902527,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T11409","display_name":"Advanced Wireless Network Optimization","score":0.9973000288009644,"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":0.8185548782348633},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.6863065958023071},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6538630723953247},{"id":"https://openalex.org/keywords/directional-antenna","display_name":"Directional antenna","score":0.4404076933860779},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4095911383628845},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.34842103719711304},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.3309670686721802},{"id":"https://openalex.org/keywords/simulation","display_name":"Simulation","score":0.32086265087127686},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3085836172103882},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.19863814115524292}],"concepts":[{"id":"https://openalex.org/C101618186","wikidata":"https://www.wikidata.org/wiki/Q3633928","display_name":"UMTS frequency bands","level":2,"score":0.8185548782348633},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.6863065958023071},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6538630723953247},{"id":"https://openalex.org/C64671776","wikidata":"https://www.wikidata.org/wiki/Q769152","display_name":"Directional antenna","level":3,"score":0.4404076933860779},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4095911383628845},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.34842103719711304},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3309670686721802},{"id":"https://openalex.org/C44154836","wikidata":"https://www.wikidata.org/wiki/Q45045","display_name":"Simulation","level":1,"score":0.32086265087127686},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3085836172103882},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.19863814115524292}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/pimrc.2007.4394710","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc.2007.4394710","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 IEEE 18th International Symposium on Personal, Indoor and Mobile Radio Communications","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":3,"referenced_works":["https://openalex.org/W2056783850","https://openalex.org/W2107778812","https://openalex.org/W2142686115"],"related_works":["https://openalex.org/W4300907449","https://openalex.org/W2111704751","https://openalex.org/W2113935291","https://openalex.org/W1544867665","https://openalex.org/W1960427911","https://openalex.org/W4244290040","https://openalex.org/W2495174314","https://openalex.org/W2102291976","https://openalex.org/W1509663808","https://openalex.org/W2131451743"],"abstract_inverted_index":{"The":[0,65,78,100,131],"target":[1],"of":[2,10,15,29,48,71,94,107,133,152],"the":[3,8,24,32,68,72,97,117,125,128,141,150],"paper":[4,135],"is":[5],"to":[6,42,113,127,159],"study":[7],"impact":[9],"antenna-":[11,74,118,143],"and":[12,51,75,91,119,144,148],"cell":[13,52,76,120,145],"configuration":[14,121,146],"a":[16,58],"single":[17],"high":[18,105],"altitude":[19],"platform":[20],"(HAP)":[21],"station":[22,37],"on":[23],"overall":[25,101],"network":[26,155],"performance":[27,80],"point":[28],"view.":[30],"In":[31],"studied":[33],"approach,":[34],"one":[35],"HAP":[36,142],"alone":[38],"provides":[39],"UMTS":[40],"services":[41],"terrestrial":[43],"mobile":[44],"users.":[45],"Large":[46],"number":[47,106],"different":[49],"antenna":[50],"configurations":[53],"has":[54],"been":[55],"simulated":[56],"with":[57,86,104],"system":[59,161],"level":[60],"Monte":[61],"Carlo":[62],"WCDMA":[63],"simulator.":[64],"results":[66,132],"emphasize":[67,149],"differences":[69],"between":[70],"used":[73],"configurations.":[77],"optimum":[79,129],"was":[81],"achieved":[82],"by":[83],"using":[84],"antennas":[85],"2":[87],"degree":[88],"beam":[89],"width":[90],"6":[92],"tiers":[93],"cells":[95],"for":[96,140],"reference":[98],"location.":[99],"service":[102],"probability":[103],"users":[108],"varied":[109],"from":[110,124],"42":[111],"%":[112],"95":[114],"%,":[115],"when":[116,157],"were":[122],"updated":[123],"worst":[126],"one.":[130],"this":[134],"will":[136],"give":[137],"some":[138],"guidelines":[139],"planning,":[147],"importance":[151],"proper":[153],"radio":[154],"planning":[156],"targeting":[158],"maximum":[160],"performance.":[162]},"counts_by_year":[{"year":2020,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
