{"id":"https://openalex.org/W4391383047","doi":"https://doi.org/10.1109/camsap58249.2023.10403527","title":"Low-Complexity and High-Performance Combiners for Over the Air Computing","display_name":"Low-Complexity and High-Performance Combiners for Over the Air Computing","publication_year":2023,"publication_date":"2023-12-10","ids":{"openalex":"https://openalex.org/W4391383047","doi":"https://doi.org/10.1109/camsap58249.2023.10403527"},"language":"en","primary_location":{"id":"doi:10.1109/camsap58249.2023.10403527","is_oa":false,"landing_page_url":"https://doi.org/10.1109/camsap58249.2023.10403527","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 IEEE 9th International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5101808614","display_name":"Kengo Ando","orcid":"https://orcid.org/0000-0003-0905-2109"},"institutions":[{"id":"https://openalex.org/I180437899","display_name":"University of Bremen","ror":"https://ror.org/04ers2y35","country_code":"DE","type":"education","lineage":["https://openalex.org/I180437899"]},{"id":"https://openalex.org/I193619901","display_name":"Constructor University","ror":"https://ror.org/02yrs2n53","country_code":"DE","type":"education","lineage":["https://openalex.org/I193619901"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Kengo Ando","raw_affiliation_strings":["School of Computer Science and Engineering, Constructor University,Bremen,Germany,28759"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, Constructor University,Bremen,Germany,28759","institution_ids":["https://openalex.org/I180437899","https://openalex.org/I193619901"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5042210188","display_name":"Giuseppe Thadeu Freitas de Abreu","orcid":"https://orcid.org/0000-0002-5018-8174"},"institutions":[{"id":"https://openalex.org/I180437899","display_name":"University of Bremen","ror":"https://ror.org/04ers2y35","country_code":"DE","type":"education","lineage":["https://openalex.org/I180437899"]},{"id":"https://openalex.org/I193619901","display_name":"Constructor University","ror":"https://ror.org/02yrs2n53","country_code":"DE","type":"education","lineage":["https://openalex.org/I193619901"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Giuseppe Thadeu Freitas de Abreu","raw_affiliation_strings":["School of Computer Science and Engineering, Constructor University,Bremen,Germany,28759"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, Constructor University,Bremen,Germany,28759","institution_ids":["https://openalex.org/I180437899","https://openalex.org/I193619901"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"126","last_page":"130"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9984999895095825,"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":0.9984999895095825,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9984999895095825,"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/T12042","display_name":"Satellite Communication Systems","score":0.9983000159263611,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.6878882646560669},{"id":"https://openalex.org/keywords/minification","display_name":"Minification","score":0.595283031463623},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.5539042949676514},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.5310692191123962},{"id":"https://openalex.org/keywords/rayleigh-quotient","display_name":"Rayleigh quotient","score":0.48919084668159485},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4786418676376343},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.46325311064720154},{"id":"https://openalex.org/keywords/mean-squared-error","display_name":"Mean squared error","score":0.45920947194099426},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4344034194946289},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.42460164427757263},{"id":"https://openalex.org/keywords/rank","display_name":"Rank (graph theory)","score":0.42430204153060913},{"id":"https://openalex.org/keywords/minimum-mean-square-error","display_name":"Minimum mean square error","score":0.4205784499645233},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.4134334325790405},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.17500153183937073},{"id":"https://openalex.org/keywords/estimator","display_name":"Estimator","score":0.16850164532661438},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.16193675994873047},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.09787178039550781},{"id":"https://openalex.org/keywords/eigenvalues-and-eigenvectors","display_name":"Eigenvalues and eigenvectors","score":0.07409784197807312}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.6878882646560669},{"id":"https://openalex.org/C147764199","wikidata":"https://www.wikidata.org/wiki/Q6865248","display_name":"Minification","level":2,"score":0.595283031463623},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.5539042949676514},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.5310692191123962},{"id":"https://openalex.org/C2778158742","wikidata":"https://www.wikidata.org/wiki/Q1665115","display_name":"Rayleigh quotient","level":3,"score":0.48919084668159485},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4786418676376343},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.46325311064720154},{"id":"https://openalex.org/C139945424","wikidata":"https://www.wikidata.org/wiki/Q1940696","display_name":"Mean squared error","level":2,"score":0.45920947194099426},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4344034194946289},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.42460164427757263},{"id":"https://openalex.org/C164226766","wikidata":"https://www.wikidata.org/wiki/Q7293202","display_name":"Rank (graph theory)","level":2,"score":0.42430204153060913},{"id":"https://openalex.org/C90652560","wikidata":"https://www.wikidata.org/wiki/Q11091747","display_name":"Minimum mean square error","level":3,"score":0.4205784499645233},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.4134334325790405},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.17500153183937073},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.16850164532661438},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.16193675994873047},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.09787178039550781},{"id":"https://openalex.org/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"score":0.07409784197807312},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/camsap58249.2023.10403527","is_oa":false,"landing_page_url":"https://doi.org/10.1109/camsap58249.2023.10403527","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 IEEE 9th International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.5400000214576721,"display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W566443111","https://openalex.org/W1981044874","https://openalex.org/W1996215314","https://openalex.org/W2038194220","https://openalex.org/W2140227342","https://openalex.org/W2803956200","https://openalex.org/W2927133853","https://openalex.org/W3003651800","https://openalex.org/W3019894437","https://openalex.org/W3028318515","https://openalex.org/W3178899257","https://openalex.org/W3183805567","https://openalex.org/W3201314735","https://openalex.org/W3214001338","https://openalex.org/W4250589301","https://openalex.org/W4293218370","https://openalex.org/W4307010681","https://openalex.org/W4312258136","https://openalex.org/W6785472627"],"related_works":["https://openalex.org/W2548963335","https://openalex.org/W2159941915","https://openalex.org/W1995129237","https://openalex.org/W1761601995","https://openalex.org/W2904599916","https://openalex.org/W4321608401","https://openalex.org/W2103590590","https://openalex.org/W2158165366","https://openalex.org/W2370466078","https://openalex.org/W3195147989"],"abstract_inverted_index":{"We":[0],"consider":[1],"the":[2,21,51,67,71,93,106,115,127,133,146],"design":[3,98,118,137],"of":[4,23,70,105],"successive":[5],"convex":[6],"approx-imation":[7],"(SCA)-based":[8],"mean":[9],"square":[10],"error":[11],"(MSE)":[12],"minimization":[13,73,109],"combiners":[14],"for":[15],"over-the-air-computation":[16],"(AirComp)":[17],"schemes":[18],"op-erating":[19],"over":[20],"uplink":[22],"a":[24,63,78,96,102,149],"system":[25],"with":[26,43,89],"one":[27],"multiple-antenna":[28],"access":[29],"point":[30],"(AP)":[31],"and":[32,92],"multiple":[33],"single-antenna":[34],"edge":[35],"devices":[36],"(EDs).":[37],"Within":[38],"that":[39,114],"context,":[40],"we":[41],"contribute":[42],"two":[44],"different":[45],"initial":[46],"combiner":[47,54],"designs":[48],"alternative":[49],"to":[50,122,140],"state-of-the-art":[52],"(SotA)":[53],"based":[55],"on":[56],"semi-definite":[57],"relaxation":[58],"(SDR).":[59],"The":[60],"first":[61],"is":[62,75,87,95,138],"low-complexity":[64,116],"design,":[65],"whereby":[66],"SDR":[68,136],"formulation":[69],"MSE":[72,108],"problem":[74],"replaced":[76],"by":[77,100],"rank-one":[79],"Rayleigh":[80],"quotient":[81],"(RQ)":[82],"method,":[83],"whose":[84],"closed-form":[85],"solution":[86,104],"obtained":[88,99],"linear":[90],"complexity;":[91],"second":[94],"high-performance":[97,134],"enforcing":[101],"low-rank":[103],"SDR-based":[107],"problem.":[110],"Numerical":[111],"results":[112],"demonstrate":[113],"RQ":[117],"can":[119],"be":[120,141],"up":[121],"1000-times":[123],"less":[124],"costly":[125],"than":[126,145],"SotA":[128],"uniform-forcing":[129],"(UF)/SDR":[130],"scheme;":[131],"while":[132],"regularized":[135],"found":[139],"about":[142],"4-times":[143],"faster":[144],"latter,":[147],"at":[148],"comparable":[150],"complexity.":[151]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}