{"id":"https://openalex.org/W2275078922","doi":"https://doi.org/10.1109/siu.2015.7130165","title":"High-resolution multi-band spectrum occupancy measurements and evaluations at 900MHz downlink band for Istanbul metropolitan","display_name":"High-resolution multi-band spectrum occupancy measurements and evaluations at 900MHz downlink band for Istanbul metropolitan","publication_year":2015,"publication_date":"2015-05-01","ids":{"openalex":"https://openalex.org/W2275078922","doi":"https://doi.org/10.1109/siu.2015.7130165","mag":"2275078922"},"language":"en","primary_location":{"id":"doi:10.1109/siu.2015.7130165","is_oa":false,"landing_page_url":"https://doi.org/10.1109/siu.2015.7130165","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 23nd Signal Processing and Communications Applications Conference (SIU)","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/A5083889227","display_name":"Fatma Nur Aki","orcid":null},"institutions":[{"id":"https://openalex.org/I53210213","display_name":"Istanbul Commerce University","ror":"https://ror.org/02v3kkq53","country_code":"TR","type":"education","lineage":["https://openalex.org/I53210213"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"Fatma Nur Aki","raw_affiliation_strings":["Istanbul Ticaret Universitesi, Istanbul, TR"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Istanbul Ticaret Universitesi, Istanbul, TR","institution_ids":["https://openalex.org/I53210213"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081450215","display_name":"Ali Boyac\u0131","orcid":"https://orcid.org/0000-0002-2553-1911"},"institutions":[{"id":"https://openalex.org/I53210213","display_name":"Istanbul Commerce University","ror":"https://ror.org/02v3kkq53","country_code":"TR","type":"education","lineage":["https://openalex.org/I53210213"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"Ali Boyaci","raw_affiliation_strings":["Istanbul Ticaret Universitesi, Istanbul, TR"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Istanbul Ticaret Universitesi, Istanbul, TR","institution_ids":["https://openalex.org/I53210213"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5063440092","display_name":"Serhan Yarkan","orcid":"https://orcid.org/0000-0001-6430-3009"},"institutions":[{"id":"https://openalex.org/I53210213","display_name":"Istanbul Commerce University","ror":"https://ror.org/02v3kkq53","country_code":"TR","type":"education","lineage":["https://openalex.org/I53210213"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"Serhan Yarkan","raw_affiliation_strings":["Istanbul Ticaret Universitesi, Istanbul, TR"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Istanbul Ticaret Universitesi, Istanbul, TR","institution_ids":["https://openalex.org/I53210213"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I53210213"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.12972414,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"2","issue":null,"first_page":"1639","last_page":"1642"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9983000159263611,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9983000159263611,"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/T13905","display_name":"Telecommunications and Broadcasting Technologies","score":0.9976999759674072,"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"}},{"id":"https://openalex.org/T10575","display_name":"Wireless Communication Networks Research","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"}}],"keywords":[{"id":"https://openalex.org/keywords/occupancy","display_name":"Occupancy","score":0.8775055408477783},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.7018332481384277},{"id":"https://openalex.org/keywords/radio-spectrum","display_name":"Radio spectrum","score":0.6716920137405396},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5632524490356445},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.5532422661781311},{"id":"https://openalex.org/keywords/metropolitan-area","display_name":"Metropolitan area","score":0.5137139558792114},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.4873131215572357},{"id":"https://openalex.org/keywords/spectrum-management","display_name":"Spectrum management","score":0.43426987528800964},{"id":"https://openalex.org/keywords/cognitive-radio","display_name":"Cognitive radio","score":0.2710396647453308},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.2487640380859375},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.23343625664710999}],"concepts":[{"id":"https://openalex.org/C160331591","wikidata":"https://www.wikidata.org/wiki/Q7075743","display_name":"Occupancy","level":2,"score":0.8775055408477783},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.7018332481384277},{"id":"https://openalex.org/C92545706","wikidata":"https://www.wikidata.org/wiki/Q902174","display_name":"Radio spectrum","level":2,"score":0.6716920137405396},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5632524490356445},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.5532422661781311},{"id":"https://openalex.org/C158739034","wikidata":"https://www.wikidata.org/wiki/Q1907114","display_name":"Metropolitan area","level":2,"score":0.5137139558792114},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.4873131215572357},{"id":"https://openalex.org/C63029442","wikidata":"https://www.wikidata.org/wiki/Q6504978","display_name":"Spectrum management","level":4,"score":0.43426987528800964},{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.2710396647453308},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.2487640380859375},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.23343625664710999},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0},{"id":"https://openalex.org/C170154142","wikidata":"https://www.wikidata.org/wiki/Q150737","display_name":"Architectural engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/siu.2015.7130165","is_oa":false,"landing_page_url":"https://doi.org/10.1109/siu.2015.7130165","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 23nd Signal Processing and Communications Applications Conference (SIU)","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":17,"referenced_works":["https://openalex.org/W1899249961","https://openalex.org/W1967719614","https://openalex.org/W1981543982","https://openalex.org/W1992901836","https://openalex.org/W2000565576","https://openalex.org/W2097850361","https://openalex.org/W2119811155","https://openalex.org/W2129477582","https://openalex.org/W2143179581","https://openalex.org/W2216642413","https://openalex.org/W2798333393","https://openalex.org/W4229899424","https://openalex.org/W6639732726","https://openalex.org/W6674601329","https://openalex.org/W6677946688","https://openalex.org/W6688696493","https://openalex.org/W7018733341"],"related_works":["https://openalex.org/W1801728885","https://openalex.org/W2483502620","https://openalex.org/W2236567279","https://openalex.org/W212165138","https://openalex.org/W2613603939","https://openalex.org/W2160684633","https://openalex.org/W2545213287","https://openalex.org/W2166401611","https://openalex.org/W4225341666","https://openalex.org/W1964047803"],"abstract_inverted_index":{"Radio":[0],"frequency":[1,25,61],"spectrum":[2,26,62,84],"is":[3,27,113],"one":[4],"of":[5,22,58,81,97,117],"the":[6,23,40,52,59,98,118,122],"most":[7],"important":[8],"resources":[9],"for":[10,74,91],"both":[11,75],"contemporary":[12,76],"and":[13,69,77,102],"next":[14],"generation":[15],"wireless":[16],"communications":[17],"(NGWC)":[18],"systems.":[19,79],"Therefore,":[20],"utilization":[21],"radio":[24,60],"a":[28,55,109],"critical":[29],"task.":[30],"Reliable":[31],"occupancy":[32,67,85,104,123],"statistics":[33,68,105,124],"are":[34,72,94,106],"key":[35],"to":[36,46],"such":[37],"utilization.":[38],"Considering":[39],"fact":[41],"that":[42,115],"Turkey":[43],"will":[44,63],"migrate":[45],"digital":[47],"terrestrial":[48],"TV":[49],"broadcast":[50],"in":[51,108],"near":[53],"future,":[54],"specific":[56],"portion":[57],"be":[64],"available.":[65],"Hence,":[66],"relevant":[70],"analyses":[71],"mandatory":[73],"NGWC":[78],"Results":[80],"high-resolution":[82],"multi-band":[83],"measurements":[86],"at":[87],"900MHz":[88],"downlink":[89],"band":[90],"Istanbul":[92],"metropolitan":[93],"presented.":[95],"Two":[96],"prominent":[99],"evaluation":[100,119],"methods":[101,120],"corresponding":[103],"given":[107],"comparative":[110],"manner.":[111],"It":[112],"observed":[114],"parameters":[116],"affect":[121],"drastically.":[125]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}