{"id":"https://openalex.org/W1519469321","doi":"https://doi.org/10.1109/pimrc.2002.1045221","title":"Cellular coverage in underground transport systems: a case study - the Rio de Janeiro Metropolitan","display_name":"Cellular coverage in underground transport systems: a case study - the Rio de Janeiro Metropolitan","publication_year":2003,"publication_date":"2003-08-27","ids":{"openalex":"https://openalex.org/W1519469321","doi":"https://doi.org/10.1109/pimrc.2002.1045221","mag":"1519469321"},"language":"en","primary_location":{"id":"doi:10.1109/pimrc.2002.1045221","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc.2002.1045221","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The 13th IEEE 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/A5017232962","display_name":"M. M. Rodrigues","orcid":"https://orcid.org/0000-0002-8834-5841"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"M. Rodrigues","raw_affiliation_strings":["Wings Telecom, India"],"affiliations":[{"raw_affiliation_string":"Wings Telecom, India","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083861068","display_name":"Braulio E. S. MAIA","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"B. Maia","raw_affiliation_strings":["Wings Telecom, India"],"affiliations":[{"raw_affiliation_string":"Wings Telecom, India","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003662578","display_name":"L.S. Mello","orcid":null},"institutions":[{"id":"https://openalex.org/I4210088023","display_name":"Centre for Environment Concerns","ror":"https://ror.org/002pdme92","country_code":"IN","type":"other","lineage":["https://openalex.org/I4210088023"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"L.S. Mello","raw_affiliation_strings":["CETUC, PUC, India"],"affiliations":[{"raw_affiliation_string":"CETUC, PUC, India","institution_ids":["https://openalex.org/I4210088023"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5088419941","display_name":"Maciene dos Reis Pontes","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"M. Pontes","raw_affiliation_strings":[],"affiliations":[]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5017232962"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.04056165,"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":"1213","last_page":"1217"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12146","display_name":"Power Line Communications and Noise","score":0.9962999820709229,"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/T12146","display_name":"Power Line Communications and Noise","score":0.9962999820709229,"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":0.989799976348877,"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":0.984000027179718,"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/metropolitan-area","display_name":"Metropolitan area","score":0.7804923057556152},{"id":"https://openalex.org/keywords/link-budget","display_name":"Link budget","score":0.44413599371910095},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.4434839189052582},{"id":"https://openalex.org/keywords/operator","display_name":"Operator (biology)","score":0.4349876642227173},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.434982031583786},{"id":"https://openalex.org/keywords/degradation","display_name":"Degradation (telecommunications)","score":0.4155331254005432},{"id":"https://openalex.org/keywords/transport-engineering","display_name":"Transport engineering","score":0.3958314061164856},{"id":"https://openalex.org/keywords/civil-engineering","display_name":"Civil engineering","score":0.36787039041519165},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.3438076376914978},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.3222828507423401},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2947905659675598},{"id":"https://openalex.org/keywords/archaeology","display_name":"Archaeology","score":0.092296302318573},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.06138673424720764}],"concepts":[{"id":"https://openalex.org/C158739034","wikidata":"https://www.wikidata.org/wiki/Q1907114","display_name":"Metropolitan area","level":2,"score":0.7804923057556152},{"id":"https://openalex.org/C94137725","wikidata":"https://www.wikidata.org/wiki/Q1509342","display_name":"Link budget","level":3,"score":0.44413599371910095},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.4434839189052582},{"id":"https://openalex.org/C17020691","wikidata":"https://www.wikidata.org/wiki/Q139677","display_name":"Operator (biology)","level":5,"score":0.4349876642227173},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.434982031583786},{"id":"https://openalex.org/C2779679103","wikidata":"https://www.wikidata.org/wiki/Q5251805","display_name":"Degradation (telecommunications)","level":2,"score":0.4155331254005432},{"id":"https://openalex.org/C22212356","wikidata":"https://www.wikidata.org/wiki/Q775325","display_name":"Transport engineering","level":1,"score":0.3958314061164856},{"id":"https://openalex.org/C147176958","wikidata":"https://www.wikidata.org/wiki/Q77590","display_name":"Civil engineering","level":1,"score":0.36787039041519165},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.3438076376914978},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.3222828507423401},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2947905659675598},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.092296302318573},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.06138673424720764},{"id":"https://openalex.org/C86339819","wikidata":"https://www.wikidata.org/wiki/Q407384","display_name":"Transcription factor","level":3,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C158448853","wikidata":"https://www.wikidata.org/wiki/Q425218","display_name":"Repressor","level":4,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/pimrc.2002.1045221","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc.2002.1045221","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The 13th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9","score":0.4399999976158142}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":4,"referenced_works":["https://openalex.org/W1928327724","https://openalex.org/W2104640791","https://openalex.org/W2112590078","https://openalex.org/W2117481756"],"related_works":["https://openalex.org/W4212929323","https://openalex.org/W2045046253","https://openalex.org/W2000995042","https://openalex.org/W2494740635","https://openalex.org/W1632599465","https://openalex.org/W1563545158","https://openalex.org/W2115206115","https://openalex.org/W2091545482","https://openalex.org/W3177269507","https://openalex.org/W2379499532"],"abstract_inverted_index":{"The":[0,19,47,65],"paper":[1],"describes":[2],"the":[3,11,39,60,70],"cellular":[4],"coverage":[5,77],"system":[6],"design":[7],"and":[8,26,52,63,80,84],"implementation":[9],"for":[10,33],"Rio":[12,43],"de":[13,44],"Janeiro":[14],"Metropolitan":[15],"underground":[16],"transport":[17],"system.":[18],"project":[20,48],"was":[21],"developed":[22],"at":[23],"WiNGS":[24],"Telecom":[25],"implemented":[27],"by":[28],"a":[29],"pool":[30],"of":[31,72],"companies":[32],"Algar":[34],"Telecomunicac$80o/spl":[35],"tilde/es":[36],"Leste":[37],"(ATL),":[38],"B-band":[40],"operator":[41],"in":[42,78],"Janeiro,":[45],"Brazil.":[46],"characteristics,":[49],"assumptions":[50],"made":[51],"chosen":[53],"solutions":[54],"are":[55],"described,":[56],"as":[57,59],"well":[58],"propagation":[61],"models":[62],"measurements.":[64],"threshold":[66],"degradation":[67],"due":[68],"to":[69,75],"use":[71],"several":[73],"antennas":[74],"provide":[76],"tunnels":[79],"platforms":[81],"is":[82],"analyzed":[83],"complete":[85],"link":[86],"budget":[87],"equations":[88],"obtained.":[89]},"counts_by_year":[{"year":2013,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}