{"id":"https://openalex.org/W4409761392","doi":"https://doi.org/10.1109/ojcoms.2025.3562774","title":"Maximizing Spectrum Efficiency of Data-Carrying Reference Signals via Bayesian Optimization","display_name":"Maximizing Spectrum Efficiency of Data-Carrying Reference Signals via Bayesian Optimization","publication_year":2025,"publication_date":"2025-01-01","ids":{"openalex":"https://openalex.org/W4409761392","doi":"https://doi.org/10.1109/ojcoms.2025.3562774"},"language":"en","primary_location":{"id":"doi:10.1109/ojcoms.2025.3562774","is_oa":true,"landing_page_url":"https://doi.org/10.1109/ojcoms.2025.3562774","pdf_url":null,"source":{"id":"https://openalex.org/S4210202420","display_name":"IEEE Open Journal of the Communications Society","issn_l":"2644-125X","issn":["2644-125X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Open Journal of the Communications Society","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1109/ojcoms.2025.3562774","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5109111496","display_name":"Taiki Kato","orcid":null},"institutions":[{"id":"https://openalex.org/I180203408","display_name":"Yokohama National University","ror":"https://ror.org/03zyp6p76","country_code":"JP","type":"education","lineage":["https://openalex.org/I180203408"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Taiki Kato","raw_affiliation_strings":["The Faculty of Engineering, Yokohama National University, Kanagawa, Japan","Faculty of Engineering, Yokohama National University, Kanagawa, Japan"],"affiliations":[{"raw_affiliation_string":"The Faculty of Engineering, Yokohama National University, Kanagawa, Japan","institution_ids":["https://openalex.org/I180203408"]},{"raw_affiliation_string":"Faculty of Engineering, Yokohama National University, Kanagawa, Japan","institution_ids":["https://openalex.org/I180203408"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035223809","display_name":"Hiroki Iimori","orcid":"https://orcid.org/0000-0003-3417-1513"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Hiroki Iimori","raw_affiliation_strings":["Ericsson Research, Ericsson Japan K.K., Kanagawa, Japan"],"affiliations":[{"raw_affiliation_string":"Ericsson Research, Ericsson Japan K.K., Kanagawa, Japan","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101416762","display_name":"Chandan Pradhan","orcid":"https://orcid.org/0000-0003-3823-3670"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Chandan Pradhan","raw_affiliation_strings":["Ericsson Research, Ericsson Japan K.K., Kanagawa, Japan"],"affiliations":[{"raw_affiliation_string":"Ericsson Research, Ericsson Japan K.K., Kanagawa, Japan","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083468980","display_name":"Szabolcs Malomsoky","orcid":"https://orcid.org/0009-0007-9013-860X"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Szabolcs Malomsoky","raw_affiliation_strings":["Ericsson Research, Ericsson Japan K.K., Kanagawa, Japan"],"affiliations":[{"raw_affiliation_string":"Ericsson Research, Ericsson Japan K.K., Kanagawa, Japan","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5088245484","display_name":"Naoki Ishikawa","orcid":"https://orcid.org/0000-0001-8978-4849"},"institutions":[{"id":"https://openalex.org/I180203408","display_name":"Yokohama National University","ror":"https://ror.org/03zyp6p76","country_code":"JP","type":"education","lineage":["https://openalex.org/I180203408"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Naoki Ishikawa","raw_affiliation_strings":["The Faculty of Engineering, Yokohama National University, Kanagawa, Japan","Faculty of Engineering, Yokohama National University, Kanagawa, Japan"],"affiliations":[{"raw_affiliation_string":"The Faculty of Engineering, Yokohama National University, Kanagawa, Japan","institution_ids":["https://openalex.org/I180203408"]},{"raw_affiliation_string":"Faculty of Engineering, Yokohama National University, Kanagawa, Japan","institution_ids":["https://openalex.org/I180203408"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5109111496"],"corresponding_institution_ids":["https://openalex.org/I180203408"],"apc_list":{"value":1750,"currency":"USD","value_usd":1750},"apc_paid":{"value":1750,"currency":"USD","value_usd":1750},"fwci":1.4872,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.79814949,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":"6","issue":null,"first_page":"3892","last_page":"3903"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":0.9496999979019165,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T11447","display_name":"Blind Source Separation Techniques","score":0.9496999979019165,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/bayesian-optimization","display_name":"Bayesian optimization","score":0.6993943452835083},{"id":"https://openalex.org/keywords/bayesian-probability","display_name":"Bayesian probability","score":0.6194193363189697},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.57908034324646},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.32743197679519653},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3071035146713257},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.25498008728027344}],"concepts":[{"id":"https://openalex.org/C2778049539","wikidata":"https://www.wikidata.org/wiki/Q17002908","display_name":"Bayesian optimization","level":2,"score":0.6993943452835083},{"id":"https://openalex.org/C107673813","wikidata":"https://www.wikidata.org/wiki/Q812534","display_name":"Bayesian probability","level":2,"score":0.6194193363189697},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.57908034324646},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.32743197679519653},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3071035146713257},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.25498008728027344}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/ojcoms.2025.3562774","is_oa":true,"landing_page_url":"https://doi.org/10.1109/ojcoms.2025.3562774","pdf_url":null,"source":{"id":"https://openalex.org/S4210202420","display_name":"IEEE Open Journal of the Communications Society","issn_l":"2644-125X","issn":["2644-125X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Open Journal of the Communications Society","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:bc1676171c7e42c28a81fb660ebb3aaf","is_oa":true,"landing_page_url":"https://doaj.org/article/bc1676171c7e42c28a81fb660ebb3aaf","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Open Journal of the Communications Society, Vol 6, Pp 3892-3903 (2025)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/ojcoms.2025.3562774","is_oa":true,"landing_page_url":"https://doi.org/10.1109/ojcoms.2025.3562774","pdf_url":null,"source":{"id":"https://openalex.org/S4210202420","display_name":"IEEE Open Journal of the Communications Society","issn_l":"2644-125X","issn":["2644-125X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Open Journal of the Communications Society","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.49000000953674316,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W2035469609","https://openalex.org/W2048138820","https://openalex.org/W2060156873","https://openalex.org/W2070272217","https://openalex.org/W2109062787","https://openalex.org/W2119979696","https://openalex.org/W2120686080","https://openalex.org/W2123849153","https://openalex.org/W2125209646","https://openalex.org/W2126014224","https://openalex.org/W2129489363","https://openalex.org/W2133214726","https://openalex.org/W2133405866","https://openalex.org/W2138590791","https://openalex.org/W2151208459","https://openalex.org/W2156336894","https://openalex.org/W2162461354","https://openalex.org/W2169878327","https://openalex.org/W2171656554","https://openalex.org/W2516684511","https://openalex.org/W2888962245","https://openalex.org/W2949676527","https://openalex.org/W2997272232","https://openalex.org/W3010522122","https://openalex.org/W4320713279","https://openalex.org/W4384080084","https://openalex.org/W4392397424","https://openalex.org/W4401415232","https://openalex.org/W4402834915","https://openalex.org/W6676179485","https://openalex.org/W6684641359"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W3106461837","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W4401858220"],"abstract_inverted_index":{"Data-carrying":[0],"reference":[1,7],"signals":[2],"are":[3,109],"a":[4,56,96,114],"type":[5],"of":[6,91],"signal":[8],"(RS)":[9],"constructed":[10],"on":[11,62,84,99],"the":[12,63,85,100],"Grassmann":[13,59,64],"manifold,":[14],"which":[15],"allows":[16],"for":[17,68,130],"simultaneous":[18],"data":[19,70,150],"transmission":[20,71],"and":[21,72,95,106,132,157],"channel":[22,73,93],"estimation":[23],"to":[24,43,144],"achieve":[25],"boosted":[26],"spectral":[27,39,159],"efficiency":[28,40,160],"at":[29,41,162],"high":[30],"signal-to-noise":[31],"ratios":[32],"(SNRs).":[33],"However,":[34],"they":[35],"do":[36],"not":[37],"improve":[38],"low":[42],"middle":[44,163],"SNRs":[45],"compared":[46],"with":[47],"conventional":[48,123,145],"RSs.":[49],"To":[50],"address":[51],"this":[52],"problem,":[53],"we":[54,79],"propose":[55],"numerical":[57,77],"optimization-based":[58],"constellation":[60,135],"design":[61,124],"manifold":[65],"that":[66],"accounts":[67],"both":[69],"estimation.":[74],"In":[75],"our":[76,138],"optimization,":[78],"derive":[80],"an":[81,141],"upper":[82],"bound":[83,98],"normalized":[86],"mean":[87],"squared":[88],"error":[89],"(NMSE)":[90],"estimated":[92],"matrices":[94],"lower":[97],"noncoherent":[101],"average":[102],"mutual":[103],"information":[104],"(AMI),":[105],"these":[107],"bounds":[108],"optimized":[110],"simultaneously":[111],"by":[112,137],"using":[113],"Bayesian":[115],"optimization":[116],"technique.":[117],"The":[118,134],"proposed":[119],"objective":[120],"function":[121],"outperforms":[122],"metrics":[125],"in":[126,153],"obtaining":[127],"Pareto-optimal":[128],"constellations":[129],"NMSE":[131,142],"AMI.":[133],"obtained":[136],"method":[139],"achieves":[140],"comparable":[143],"non-data-carrying":[146],"RSs":[147],"while":[148],"enabling":[149],"transmission,":[151],"resulting":[152],"superior":[154],"AMI":[155],"performance":[156],"improved":[158],"even":[161],"SNRs.":[164]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}
