{"id":"https://openalex.org/W2781514709","doi":"https://doi.org/10.1109/latincom.2017.8240149","title":"Exploiting spatial diversity in overloaded MIMO LDS-OFDM multiple access systems","display_name":"Exploiting spatial diversity in overloaded MIMO LDS-OFDM multiple access systems","publication_year":2017,"publication_date":"2017-11-01","ids":{"openalex":"https://openalex.org/W2781514709","doi":"https://doi.org/10.1109/latincom.2017.8240149","mag":"2781514709"},"language":"en","primary_location":{"id":"doi:10.1109/latincom.2017.8240149","is_oa":false,"landing_page_url":"https://doi.org/10.1109/latincom.2017.8240149","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 IEEE 9th Latin-American Conference on Communications (LATINCOM)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://repositorio.uchile.cl/handle/2250/169136","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5003511975","display_name":"Bruno Fontana da Silva","orcid":"https://orcid.org/0000-0003-2382-0952"},"institutions":[{"id":"https://openalex.org/I4104125","display_name":"Universidade Federal de Santa Catarina","ror":"https://ror.org/041akq887","country_code":"BR","type":"education","lineage":["https://openalex.org/I4104125"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Bruno Fontana da Silva","raw_affiliation_strings":["Communication Research Group (GPqCom), Federal University of Santa Catarina (UFSC), Florianopolis, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Communication Research Group (GPqCom), Federal University of Santa Catarina (UFSC), Florianopolis, Brazil","institution_ids":["https://openalex.org/I4104125"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068965963","display_name":"Cesar A. Azurdia Meza","orcid":null},"institutions":[{"id":"https://openalex.org/I69737025","display_name":"University of Chile","ror":"https://ror.org/047gc3g35","country_code":"CL","type":"education","lineage":["https://openalex.org/I69737025"]}],"countries":["CL"],"is_corresponding":false,"raw_author_name":"Cesar A. Azurdia Meza","raw_affiliation_strings":["Electrical Engineering Department (DIE), University of Chile, Santiago de Chile, CL"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Electrical Engineering Department (DIE), University of Chile, Santiago de Chile, CL","institution_ids":["https://openalex.org/I69737025"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101822966","display_name":"Danilo Silva","orcid":"https://orcid.org/0000-0001-6290-7968"},"institutions":[{"id":"https://openalex.org/I4104125","display_name":"Universidade Federal de Santa Catarina","ror":"https://ror.org/041akq887","country_code":"BR","type":"education","lineage":["https://openalex.org/I4104125"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Danilo Silva","raw_affiliation_strings":["Communication Research Group (GPqCom), Federal University of Santa Catarina (UFSC), Florianopolis, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Communication Research Group (GPqCom), Federal University of Santa Catarina (UFSC), Florianopolis, Brazil","institution_ids":["https://openalex.org/I4104125"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5038639102","display_name":"Bartolomeu F. Uch\u00f4a-Filho","orcid":"https://orcid.org/0000-0003-3727-3988"},"institutions":[{"id":"https://openalex.org/I4104125","display_name":"Universidade Federal de Santa Catarina","ror":"https://ror.org/041akq887","country_code":"BR","type":"education","lineage":["https://openalex.org/I4104125"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Bartolomeu F. Uchoa-Filho","raw_affiliation_strings":["Communication Research Group (GPqCom), Federal University of Santa Catarina (UFSC), Florianopolis, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Communication Research Group (GPqCom), Federal University of Santa Catarina (UFSC), Florianopolis, Brazil","institution_ids":["https://openalex.org/I4104125"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.2374691,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":93},"biblio":{"volume":"1","issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10796","display_name":"Cooperative Communication and Network Coding","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/T10796","display_name":"Cooperative Communication and Network Coding","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/T11458","display_name":"Advanced Wireless Communication Technologies","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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9993000030517578,"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/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.848013162612915},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.7384291291236877},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.7263152599334717},{"id":"https://openalex.org/keywords/spatial-multiplexing","display_name":"Spatial multiplexing","score":0.6857143640518188},{"id":"https://openalex.org/keywords/mimo-ofdm","display_name":"MIMO-OFDM","score":0.6826914548873901},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6685624718666077},{"id":"https://openalex.org/keywords/diversity-gain","display_name":"Diversity gain","score":0.6042605042457581},{"id":"https://openalex.org/keywords/antenna-diversity","display_name":"Antenna diversity","score":0.5977030396461487},{"id":"https://openalex.org/keywords/diversity-scheme","display_name":"Diversity scheme","score":0.5492678284645081},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.5314655900001526},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.5265531539916992},{"id":"https://openalex.org/keywords/block","display_name":"Block (permutation group theory)","score":0.4671226143836975},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4554575979709625},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.41974854469299316},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3362329602241516},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.32947811484336853},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.2046557366847992},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.20141470432281494},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.13050812482833862},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.10076904296875}],"concepts":[{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.848013162612915},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.7384291291236877},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7263152599334717},{"id":"https://openalex.org/C85884896","wikidata":"https://www.wikidata.org/wiki/Q7574075","display_name":"Spatial multiplexing","level":4,"score":0.6857143640518188},{"id":"https://openalex.org/C130946814","wikidata":"https://www.wikidata.org/wiki/Q5988271","display_name":"MIMO-OFDM","level":4,"score":0.6826914548873901},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6685624718666077},{"id":"https://openalex.org/C164785522","wikidata":"https://www.wikidata.org/wiki/Q5283966","display_name":"Diversity gain","level":4,"score":0.6042605042457581},{"id":"https://openalex.org/C60069766","wikidata":"https://www.wikidata.org/wiki/Q357054","display_name":"Antenna diversity","level":3,"score":0.5977030396461487},{"id":"https://openalex.org/C198746922","wikidata":"https://www.wikidata.org/wiki/Q1230593","display_name":"Diversity scheme","level":4,"score":0.5492678284645081},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.5314655900001526},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.5265531539916992},{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.4671226143836975},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4554575979709625},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.41974854469299316},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3362329602241516},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.32947811484336853},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.2046557366847992},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.20141470432281494},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.13050812482833862},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.10076904296875},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/latincom.2017.8240149","is_oa":false,"landing_page_url":"https://doi.org/10.1109/latincom.2017.8240149","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 IEEE 9th Latin-American Conference on Communications (LATINCOM)","raw_type":"proceedings-article"},{"id":"pmh:oai:repositorio.uchile.cl:2250/169136","is_oa":true,"landing_page_url":"https://repositorio.uchile.cl/handle/2250/169136","pdf_url":null,"source":{"id":"https://openalex.org/S4306481413","display_name":"Universidad de Chile","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"2017 IEEE 9th Latin-American Conference on Communications, LATINCOM 2017","raw_type":"Art\u00edculo de revista"}],"best_oa_location":{"id":"pmh:oai:repositorio.uchile.cl:2250/169136","is_oa":true,"landing_page_url":"https://repositorio.uchile.cl/handle/2250/169136","pdf_url":null,"source":{"id":"https://openalex.org/S4306481413","display_name":"Universidad de Chile","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"2017 IEEE 9th Latin-American Conference on Communications, LATINCOM 2017","raw_type":"Art\u00edculo de revista"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W1983815452","https://openalex.org/W2009814580","https://openalex.org/W2042519026","https://openalex.org/W2065059323","https://openalex.org/W2103715657","https://openalex.org/W2107080958","https://openalex.org/W2112673179","https://openalex.org/W2124894634","https://openalex.org/W2131164410","https://openalex.org/W2185000532","https://openalex.org/W2283652514","https://openalex.org/W2287326484","https://openalex.org/W2288813195","https://openalex.org/W3101450547","https://openalex.org/W6676575277","https://openalex.org/W6786503098"],"related_works":["https://openalex.org/W2079455085","https://openalex.org/W2950721519","https://openalex.org/W2106419665","https://openalex.org/W2152852312","https://openalex.org/W2003125408","https://openalex.org/W2534279604","https://openalex.org/W2135296323","https://openalex.org/W2117209820","https://openalex.org/W2127706588","https://openalex.org/W2159468169"],"abstract_inverted_index":{"In":[0,105],"this":[1],"paper,":[2],"we":[3,62],"consider":[4],"the":[5,18,41,50,75,84,97,127,131,149,154,157,161,172],"deployment":[6],"of":[7,20,43,52,99,135],"multiple":[8,21],"antennas":[9],"as":[10,143],"a":[11,107,177],"way":[12],"to":[13,73,113],"exploit":[14],"spatial":[15,93,116,132],"diversity":[16,94,117,133],"in":[17],"uplink":[19],"access":[22],"systems":[23],"that":[24,83],"adopt":[25],"low-density":[26],"spreading":[27,65],"(LDS)":[28],"with":[29,139,148,165],"orthogonal":[30],"frequency-division":[31],"multiplexing":[32,64],"(OFDM).":[33],"An":[34],"overloaded":[35],"LDS-OFDM":[36,89,137,175],"system":[37],"is":[38,46,57,111],"assumed,":[39],"i.e.,":[40],"number":[42,51],"users":[44],"served":[45],"assumed":[47],"greater":[48],"than":[49],"resources.":[53],"A":[54],"basic":[55],"model":[56],"developed":[58],"and":[59,156],"from":[60],"it":[61],"design":[63],"signatures":[66],"based":[67],"on":[68],"space-frequency":[69],"block":[70],"codes":[71],"(SFBC)":[72],"enhance":[74],"system's":[76],"error":[77],"performance.":[78],"Computer":[79],"simulations":[80],"results":[81],"reveal":[82],"proposed":[85,128,155,173],"multipleinput":[86],"multiple-output":[87],"(MIMO)":[88],"scheme":[90,110,176],"achieves":[91],"full":[92,115],"gain":[95,118],"regardless":[96],"level":[98],"fading":[100],"correlation":[101],"between":[102],"neighboring":[103],"subcarriers.":[104],"contrast,":[106],"standard":[108,158],"LDS":[109],"shown":[112],"achieve":[114],"only":[119,166],"under":[120],"perfectly":[121],"uncorrelated":[122],"frequency":[123],"fading,":[124],"which":[125],"favors":[126],"scheme.":[129],"Moreover,":[130],"benefits":[134],"MIMO":[136,174],"comes":[138],"no":[140],"additional":[141],"complexity,":[142],"an":[144],"iterative":[145],"message-passing":[146],"algorithm":[147],"same":[150],"complexity":[151],"for":[152,180],"both":[153],"schemes":[159],"approaches":[160],"respective":[162],"optimal":[163],"performances":[164],"2":[167],"iterations.":[168],"These":[169],"features":[170],"make":[171],"strong":[178],"candidate":[179],"future":[181],"wireless":[182],"networks.":[183]},"counts_by_year":[{"year":2021,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}