{"id":"https://openalex.org/W4404915925","doi":"https://doi.org/10.1109/apcc62576.2024.10768070","title":"Experimental Performance of Null-Space Expanded MIMO Reception Technique","display_name":"Experimental Performance of Null-Space Expanded MIMO Reception Technique","publication_year":2024,"publication_date":"2024-11-05","ids":{"openalex":"https://openalex.org/W4404915925","doi":"https://doi.org/10.1109/apcc62576.2024.10768070"},"language":"en","primary_location":{"id":"doi:10.1109/apcc62576.2024.10768070","is_oa":false,"landing_page_url":"https://doi.org/10.1109/apcc62576.2024.10768070","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 IEEE 29th Asia Pacific Conference on Communications (APCC)","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/A5022853685","display_name":"Shohei Kobayashi","orcid":"https://orcid.org/0000-0001-5859-2027"},"institutions":[{"id":"https://openalex.org/I173915773","display_name":"Yamaguchi University","ror":"https://ror.org/03cxys317","country_code":"JP","type":"education","lineage":["https://openalex.org/I173915773"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shohei Kobayashi","raw_affiliation_strings":["Yamaguchi University Yamaguchi,Graduate School of Sciences and Technology for Innovation,Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Yamaguchi University Yamaguchi,Graduate School of Sciences and Technology for Innovation,Japan","institution_ids":["https://openalex.org/I173915773"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5092799228","display_name":"Yuki Ohi","orcid":null},"institutions":[{"id":"https://openalex.org/I173915773","display_name":"Yamaguchi University","ror":"https://ror.org/03cxys317","country_code":"JP","type":"education","lineage":["https://openalex.org/I173915773"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yuki Ohi","raw_affiliation_strings":["Yamaguchi University Yamaguchi,Graduate School of Sciences and Technology for Innovation,Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Yamaguchi University Yamaguchi,Graduate School of Sciences and Technology for Innovation,Japan","institution_ids":["https://openalex.org/I173915773"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074302865","display_name":"Hidekazu Murata","orcid":"https://orcid.org/0000-0003-2467-0255"},"institutions":[{"id":"https://openalex.org/I173915773","display_name":"Yamaguchi University","ror":"https://ror.org/03cxys317","country_code":"JP","type":"education","lineage":["https://openalex.org/I173915773"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hidekazu Murata","raw_affiliation_strings":["Yamaguchi University Yamaguchi,Graduate School of Sciences and Technology for Innovation,Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Yamaguchi University Yamaguchi,Graduate School of Sciences and Technology for Innovation,Japan","institution_ids":["https://openalex.org/I173915773"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101015225","display_name":"Makoto Taromaru","orcid":null},"institutions":[{"id":"https://openalex.org/I31784960","display_name":"Fukuoka University","ror":"https://ror.org/04nt8b154","country_code":"JP","type":"education","lineage":["https://openalex.org/I31784960"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Makoto Taromaru","raw_affiliation_strings":["Fukuoka University Jonan-ku,Faculty of Engineering,Fukuoka,Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fukuoka University Jonan-ku,Faculty of Engineering,Fukuoka,Japan","institution_ids":["https://openalex.org/I31784960"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049945102","display_name":"Tatsuhiko Iwakuni","orcid":"https://orcid.org/0000-0002-7304-0906"},"institutions":[{"id":"https://openalex.org/I2251713219","display_name":"NTT (Japan)","ror":"https://ror.org/00berct97","country_code":"JP","type":"company","lineage":["https://openalex.org/I2251713219"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Tatsuhiko Iwakuni","raw_affiliation_strings":["NTT Corporation Yokosuka,NTT Access Network Service Systems Lab,Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NTT Corporation Yokosuka,NTT Access Network Service Systems Lab,Japan","institution_ids":["https://openalex.org/I2251713219"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019047598","display_name":"Daisei Uchida","orcid":null},"institutions":[{"id":"https://openalex.org/I2251713219","display_name":"NTT (Japan)","ror":"https://ror.org/00berct97","country_code":"JP","type":"company","lineage":["https://openalex.org/I2251713219"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Daisei Uchida","raw_affiliation_strings":["NTT Corporation Yokosuka,NTT Access Network Service Systems Lab,Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NTT Corporation Yokosuka,NTT Access Network Service Systems Lab,Japan","institution_ids":["https://openalex.org/I2251713219"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5081813288","display_name":"T. Fujita","orcid":"https://orcid.org/0000-0002-4678-3069"},"institutions":[{"id":"https://openalex.org/I2251713219","display_name":"NTT (Japan)","ror":"https://ror.org/00berct97","country_code":"JP","type":"company","lineage":["https://openalex.org/I2251713219"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Takafumi Fujita","raw_affiliation_strings":["NTT Corporation Yokosuka,NTT Access Network Service Systems Lab,Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NTT Corporation Yokosuka,NTT Access Network Service Systems Lab,Japan","institution_ids":["https://openalex.org/I2251713219"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":4.3441,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.95664573,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"300","last_page":"302"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":1.0,"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":1.0,"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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9994000196456909,"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/T10069","display_name":"Antenna Design and Analysis","score":0.9991999864578247,"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/mimo","display_name":"MIMO","score":0.6469127535820007},{"id":"https://openalex.org/keywords/null","display_name":"Null (SQL)","score":0.6300649642944336},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5208216905593872},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.37466132640838623},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2338160276412964},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.16904816031455994},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.10510346293449402},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.06648373603820801}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6469127535820007},{"id":"https://openalex.org/C203763787","wikidata":"https://www.wikidata.org/wiki/Q371029","display_name":"Null (SQL)","level":2,"score":0.6300649642944336},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5208216905593872},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.37466132640838623},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2338160276412964},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.16904816031455994},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.10510346293449402},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.06648373603820801}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/apcc62576.2024.10768070","is_oa":false,"landing_page_url":"https://doi.org/10.1109/apcc62576.2024.10768070","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 IEEE 29th Asia Pacific Conference on Communications (APCC)","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":9,"referenced_works":["https://openalex.org/W2048515205","https://openalex.org/W2551881412","https://openalex.org/W2727931115","https://openalex.org/W2883473697","https://openalex.org/W3038227380","https://openalex.org/W4385801264","https://openalex.org/W4405123531","https://openalex.org/W6875867371","https://openalex.org/W7053625297"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W1570309050","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890"],"abstract_inverted_index":{"This":[0,71],"research":[1],"focuses":[2],"on":[3],"multiple-input":[4],"multiple-output":[5],"signal":[6],"separation":[7],"in":[8,45,58],"environments":[9],"with":[10],"changing":[11],"channels,":[12],"such":[13,50],"as":[14],"mobile":[15],"communications.":[16],"When":[17],"separating":[18],"linear":[19],"signals":[20,31],"by":[21,77],"fixing":[22],"combining":[23,33,101],"weights":[24,34,102],"to":[25,38,82,105],"packets,":[26],"the":[27,39,42,54,59,68,94,97,106],"orthogonality":[28],"between":[29,90],"interfering":[30],"and":[32],"is":[35],"broken":[36],"due":[37],"movement":[40],"of":[41,96],"receiver,":[43],"resulting":[44],"interference":[46,89],"leakage.":[47],"To":[48],"suppress":[49],"degradation,":[51],"we":[52],"use":[53],"null-space":[55],"expansion":[56],"technique":[57,72],"frequency-domain,":[60],"assuming":[61],"that":[62,87],"there":[63],"are":[64],"extra":[65,79],"antennas":[66,81],"at":[67],"receiver":[69],"side.":[70],"improves":[73],"channel":[74],"time-varying":[75],"immunity":[76],"using":[78],"receiving":[80],"form":[83],"a":[84],"null":[85],"space":[86],"suppresses":[88],"streams.":[91],"Experiments":[92],"evaluated":[93],"performance":[95],"fluctuation":[98],"tolerance":[99],"when":[100],"were":[103],"applied":[104],"entire":[107],"packet.":[108]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":3}],"updated_date":"2026-08-12T21:12:35.861297","created_date":"2025-10-10T00:00:00"}