{"id":"https://openalex.org/W4406983215","doi":"https://doi.org/10.1109/tvt.2025.3536458","title":"Improved-SOMP Algorithm Based on Principal Component Estimation for Wideband Spectrum Sensing","display_name":"Improved-SOMP Algorithm Based on Principal Component Estimation for Wideband Spectrum Sensing","publication_year":2025,"publication_date":"2025-01-30","ids":{"openalex":"https://openalex.org/W4406983215","doi":"https://doi.org/10.1109/tvt.2025.3536458"},"language":"en","primary_location":{"id":"doi:10.1109/tvt.2025.3536458","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2025.3536458","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Vehicular Technology","raw_type":"journal-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/A5064192176","display_name":"Liqi Yang","orcid":"https://orcid.org/0000-0002-5076-4389"},"institutions":[{"id":"https://openalex.org/I4210147322","display_name":"Shanghai Institute of Microsystem and Information Technology","ror":"https://ror.org/04nytyj38","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210147322"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Liqi Yang","raw_affiliation_strings":["Science and Technology on Microsystem Laboratory, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0002-5076-4389","affiliations":[{"raw_affiliation_string":"Science and Technology on Microsystem Laboratory, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, China","institution_ids":["https://openalex.org/I4210147322"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058198769","display_name":"Hui Ma","orcid":"https://orcid.org/0000-0002-5241-4083"},"institutions":[{"id":"https://openalex.org/I4210147322","display_name":"Shanghai Institute of Microsystem and Information Technology","ror":"https://ror.org/04nytyj38","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210147322"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hui Ma","raw_affiliation_strings":["Science and Technology on Microsystem Laboratory, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0002-5241-4083","affiliations":[{"raw_affiliation_string":"Science and Technology on Microsystem Laboratory, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, China","institution_ids":["https://openalex.org/I4210147322"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081291321","display_name":"Hongying Tang","orcid":"https://orcid.org/0000-0002-2606-9570"},"institutions":[{"id":"https://openalex.org/I4210147322","display_name":"Shanghai Institute of Microsystem and Information Technology","ror":"https://ror.org/04nytyj38","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210147322"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hongying Tang","raw_affiliation_strings":["Science and Technology on Microsystem Laboratory, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0002-2606-9570","affiliations":[{"raw_affiliation_string":"Science and Technology on Microsystem Laboratory, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, China","institution_ids":["https://openalex.org/I4210147322"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019593190","display_name":"Jiuhang Wang","orcid":null},"institutions":[{"id":"https://openalex.org/I4210147322","display_name":"Shanghai Institute of Microsystem and Information Technology","ror":"https://ror.org/04nytyj38","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210147322"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiuhang Wang","raw_affiliation_strings":["Science and Technology on Microsystem Laboratory, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Science and Technology on Microsystem Laboratory, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, China","institution_ids":["https://openalex.org/I4210147322"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5061503561","display_name":"Ronghua Qin","orcid":"https://orcid.org/0009-0005-8826-3423"},"institutions":[{"id":"https://openalex.org/I4210147322","display_name":"Shanghai Institute of Microsystem and Information Technology","ror":"https://ror.org/04nytyj38","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210147322"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ronghua Qin","raw_affiliation_strings":["Science and Technology on Microsystem Laboratory, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, China"],"raw_orcid":"https://orcid.org/0009-0005-8826-3423","affiliations":[{"raw_affiliation_string":"Science and Technology on Microsystem Laboratory, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, China","institution_ids":["https://openalex.org/I4210147322"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5064192176"],"corresponding_institution_ids":["https://openalex.org/I4210147322"],"apc_list":null,"apc_paid":null,"fwci":1.0999,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.73320033,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":"74","issue":"6","first_page":"9932","last_page":"9937"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13717","display_name":"Advanced Algorithms and Applications","score":0.9721999764442444,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems 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/T13717","display_name":"Advanced Algorithms and Applications","score":0.9721999764442444,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems 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/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9664999842643738,"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":0.9406999945640564,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/wideband","display_name":"Wideband","score":0.7324520349502563},{"id":"https://openalex.org/keywords/principal-component-analysis","display_name":"Principal component analysis","score":0.6733766794204712},{"id":"https://openalex.org/keywords/component","display_name":"Component (thermodynamics)","score":0.5736854076385498},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.570048987865448},{"id":"https://openalex.org/keywords/narrowband","display_name":"Narrowband","score":0.5688759088516235},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.500725269317627},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3959502577781677},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.28175151348114014},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2322460114955902},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.19843995571136475},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.15127336978912354}],"concepts":[{"id":"https://openalex.org/C2780202535","wikidata":"https://www.wikidata.org/wiki/Q4524457","display_name":"Wideband","level":2,"score":0.7324520349502563},{"id":"https://openalex.org/C27438332","wikidata":"https://www.wikidata.org/wiki/Q2873","display_name":"Principal component analysis","level":2,"score":0.6733766794204712},{"id":"https://openalex.org/C168167062","wikidata":"https://www.wikidata.org/wiki/Q1117970","display_name":"Component (thermodynamics)","level":2,"score":0.5736854076385498},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.570048987865448},{"id":"https://openalex.org/C2776096036","wikidata":"https://www.wikidata.org/wiki/Q1140483","display_name":"Narrowband","level":2,"score":0.5688759088516235},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.500725269317627},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3959502577781677},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.28175151348114014},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2322460114955902},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.19843995571136475},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.15127336978912354},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tvt.2025.3536458","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2025.3536458","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Vehicular Technology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W1974774078","https://openalex.org/W2046658845","https://openalex.org/W2065424480","https://openalex.org/W2123629701","https://openalex.org/W2746433858","https://openalex.org/W2793192497","https://openalex.org/W2966910701","https://openalex.org/W3167164486","https://openalex.org/W4321379577","https://openalex.org/W4375869236","https://openalex.org/W4386737375","https://openalex.org/W4387883798"],"related_works":["https://openalex.org/W1964845213","https://openalex.org/W2599854282","https://openalex.org/W2164218571","https://openalex.org/W3107813721","https://openalex.org/W2135812553","https://openalex.org/W2017913521","https://openalex.org/W2315098011","https://openalex.org/W2114570682","https://openalex.org/W2384817464","https://openalex.org/W1829519498"],"abstract_inverted_index":{"Wideband":[0,91],"spectrum":[1,14],"sensing":[2,48,77,102,233],"(WBSS)":[3],"based":[4,54,211],"on":[5,55,212,257],"sub-Nyquist":[6],"sampling":[7,11,59],"(SNS)":[8],"effectively":[9],"alleviates":[10],"pressure,":[12],"improves":[13],"utilization,":[15],"and":[16,23,40,145,289],"has":[17,281],"significant":[18,122],"applications":[19],"in":[20,29,50,60,124,194,218,244,297],"modulation":[21],"recognition":[22],"localization.":[24],"Recovery":[25],"algorithms":[26],"widely":[27],"used":[28],"WBSS":[30],"are":[31,162,295],"the":[32,44,47,51,69,76,89,96,101,110,129,135,155,168,180,188,191,219,224,239,245,258,262,272,287,292,303,306],"classical":[33],"simultaneous":[34],"orthogonal":[35],"matching":[36],"pursuit":[37],"(SOMP)":[38],"algorithm":[39,210],"its":[41,290],"variants.":[42],"For":[43],"optimization":[45,70,125,220],"function,":[46,221],"matrix":[49,103,234],"SNS":[52],"model":[53],"multirate":[56],"or":[57,159],"multicoset":[58],"earlier":[61],"research":[62,81],"is":[63,82,104,157,165],"typically":[64,133],"a":[65,121,228,231,282],"unitary":[66],"matrix,":[67],"allowing":[68],"to":[71,120,147,167,179,235],"be":[72],"achieved":[73],"by":[74],"transposing":[75],"matrix.":[78],"However,":[79],"current":[80],"increasingly":[83],"shifting":[84],"towards":[85],"models":[86],"that":[87,170,173,278],"use":[88,270],"Modulated":[90],"Converter":[92],"(MWC)":[93],"structure":[94],"as":[95],"basis":[97],"for":[98,128,230,286],"SNS,":[99],"where":[100],"generally":[105],"non-unitary.":[106],"In":[107],"this":[108,204],"context,":[109],"traditional":[111],"transpose":[112,225],"operation":[113,226],"no":[114],"longer":[115],"provides":[116],"accurate":[117],"results,":[118],"leading":[119],"decline":[123],"performance.":[126],"Additionally,":[127],"estimation":[130,151,198,246,280],"method,":[131,139,247],"SOMP":[132,209,288],"employs":[134],"least":[136],"squares":[137],"(LS)":[138],"which":[140,182,255],"suffers":[141],"from":[142,185],"large":[143],"variance":[144],"sensitivity":[146],"noise,":[148],"significantly":[149],"reducing":[150],"accuracy,":[152],"especially":[153],"when":[154],"signal":[156,175,193,263],"sparse":[158],"noise":[160],"levels":[161],"high.":[163],"It":[164],"due":[166],"fact":[169],"LS":[171,250],"assumes":[172],"all":[174],"components":[176,260],"contribute":[177],"equally":[178],"estimation,":[181,254],"prevents":[183],"it":[184],"fully":[186],"exploiting":[187],"sparsity":[189],"of":[190,261,271,305],"wideband":[192],"WBSS,":[195],"thereby":[196],"affecting":[197],"accuracy.":[199],"To":[200],"address":[201],"these":[202],"issues,":[203],"paper":[205],"proposes":[206],"an":[207],"improved":[208],"principal":[213],"component":[214],"(PC)":[215],"estimation.":[216],"First,":[217],"we":[222,248,276],"replace":[223,249],"with":[227,252],"pseudo-inverse":[229],"non-unitary":[232],"more":[236],"closely":[237],"fit":[238],"communication":[240],"system":[241],"model.":[242],"Second,":[243],"method":[251],"PC":[253,279],"focuses":[256],"main":[259],"while":[264],"ignoring":[265],"secondary":[266],"ones,":[267],"making":[268],"full":[269],"signal's":[273],"sparsity.":[274],"And":[275,300],"prove":[277],"lower":[283],"variance.":[284],"Finally,":[285],"variants,":[291],"proposed":[293,307],"methods":[294],"effective":[296],"both":[298],"aspects.":[299],"simulations":[301],"illustrate":[302],"correctness":[304],"methods.":[308]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2025-12-21T01:58:51.020947","created_date":"2025-10-10T00:00:00"}