{"id":"https://openalex.org/W2100726831","doi":"https://doi.org/10.1109/iswcs.2011.6125371","title":"Distributed sensing of a slowly time-varying sparse spectrum using matrix completion","display_name":"Distributed sensing of a slowly time-varying sparse spectrum using matrix completion","publication_year":2011,"publication_date":"2011-11-01","ids":{"openalex":"https://openalex.org/W2100726831","doi":"https://doi.org/10.1109/iswcs.2011.6125371","mag":"2100726831"},"language":"en","primary_location":{"id":"doi:10.1109/iswcs.2011.6125371","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iswcs.2011.6125371","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 8th International Symposium on Wireless Communication Systems","raw_type":"proceedings-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/A5060002103","display_name":"Steven Corroy","orcid":null},"institutions":[{"id":"https://openalex.org/I887968799","display_name":"RWTH Aachen University","ror":"https://ror.org/04xfq0f34","country_code":"DE","type":"education","lineage":["https://openalex.org/I887968799"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Steven Corroy","raw_affiliation_strings":["Institute for Theoretical Information Technology, RWTH Aachen University, Aachen, Germany","Institute for Theoretical Information Technology, RWTH Aachen University, D-52074 Aachen, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute for Theoretical Information Technology, RWTH Aachen University, Aachen, Germany","institution_ids":["https://openalex.org/I887968799"]},{"raw_affiliation_string":"Institute for Theoretical Information Technology, RWTH Aachen University, D-52074 Aachen, Germany","institution_ids":["https://openalex.org/I887968799"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006615819","display_name":"Andreas Bollig","orcid":null},"institutions":[{"id":"https://openalex.org/I887968799","display_name":"RWTH Aachen University","ror":"https://ror.org/04xfq0f34","country_code":"DE","type":"education","lineage":["https://openalex.org/I887968799"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Andreas Bollig","raw_affiliation_strings":["Institute for Theoretical Information Technology, RWTH Aachen University, Aachen, Germany","Institute for Theoretical Information Technology, RWTH Aachen University, D-52074 Aachen, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute for Theoretical Information Technology, RWTH Aachen University, Aachen, Germany","institution_ids":["https://openalex.org/I887968799"]},{"raw_affiliation_string":"Institute for Theoretical Information Technology, RWTH Aachen University, D-52074 Aachen, Germany","institution_ids":["https://openalex.org/I887968799"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5066277118","display_name":"Rudolf Mathar","orcid":"https://orcid.org/0000-0002-9585-605X"},"institutions":[{"id":"https://openalex.org/I887968799","display_name":"RWTH Aachen University","ror":"https://ror.org/04xfq0f34","country_code":"DE","type":"education","lineage":["https://openalex.org/I887968799"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Rudolf Mathar","raw_affiliation_strings":["Institute for Theoretical Information Technology, RWTH Aachen University, Aachen, Germany","Institute for Theoretical Information Technology, RWTH Aachen University, D-52074 Aachen, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute for Theoretical Information Technology, RWTH Aachen University, Aachen, Germany","institution_ids":["https://openalex.org/I887968799"]},{"raw_affiliation_string":"Institute for Theoretical Information Technology, RWTH Aachen University, D-52074 Aachen, Germany","institution_ids":["https://openalex.org/I887968799"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5060002103"],"corresponding_institution_ids":["https://openalex.org/I887968799"],"apc_list":null,"apc_paid":null,"fwci":1.4082,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.81991862,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"296","last_page":"300"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/T12879","display_name":"Distributed Sensor Networks and Detection Algorithms","score":0.9987000226974487,"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/T11447","display_name":"Blind Source Separation Techniques","score":0.9980999827384949,"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/cognitive-radio","display_name":"Cognitive radio","score":0.8251209855079651},{"id":"https://openalex.org/keywords/fusion-center","display_name":"Fusion center","score":0.7484318614006042},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7201820611953735},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.7043712735176086},{"id":"https://openalex.org/keywords/matrix-completion","display_name":"Matrix completion","score":0.6521745920181274},{"id":"https://openalex.org/keywords/reuse","display_name":"Reuse","score":0.6383503675460815},{"id":"https://openalex.org/keywords/spectrum","display_name":"Spectrum (functional analysis)","score":0.5553662180900574},{"id":"https://openalex.org/keywords/matrix","display_name":"Matrix (chemical analysis)","score":0.5546834468841553},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4912356734275818},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.4691820442676544},{"id":"https://openalex.org/keywords/sparse-matrix","display_name":"Sparse matrix","score":0.4373275637626648},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.2615565061569214},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.18868660926818848},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1080825924873352},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.08520489931106567}],"concepts":[{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.8251209855079651},{"id":"https://openalex.org/C2781234732","wikidata":"https://www.wikidata.org/wiki/Q943505","display_name":"Fusion center","level":4,"score":0.7484318614006042},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7201820611953735},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.7043712735176086},{"id":"https://openalex.org/C2778459887","wikidata":"https://www.wikidata.org/wiki/Q6787865","display_name":"Matrix completion","level":3,"score":0.6521745920181274},{"id":"https://openalex.org/C206588197","wikidata":"https://www.wikidata.org/wiki/Q846574","display_name":"Reuse","level":2,"score":0.6383503675460815},{"id":"https://openalex.org/C156778621","wikidata":"https://www.wikidata.org/wiki/Q1365748","display_name":"Spectrum (functional analysis)","level":2,"score":0.5553662180900574},{"id":"https://openalex.org/C106487976","wikidata":"https://www.wikidata.org/wiki/Q685816","display_name":"Matrix (chemical analysis)","level":2,"score":0.5546834468841553},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4912356734275818},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.4691820442676544},{"id":"https://openalex.org/C56372850","wikidata":"https://www.wikidata.org/wiki/Q1050404","display_name":"Sparse matrix","level":3,"score":0.4373275637626648},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.2615565061569214},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.18868660926818848},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1080825924873352},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.08520489931106567},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0},{"id":"https://openalex.org/C548081761","wikidata":"https://www.wikidata.org/wiki/Q180388","display_name":"Waste management","level":1,"score":0.0},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.0},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","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/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/iswcs.2011.6125371","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iswcs.2011.6125371","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 8th International Symposium on Wireless Communication Systems","raw_type":"proceedings-article"},{"id":"pmh:oai:publications.rwth-aachen.de:127959","is_oa":false,"landing_page_url":"https://publications.rwth-aachen.de/record/127959","pdf_url":null,"source":{"id":"https://openalex.org/S4306401033","display_name":"RWTH Publications (RWTH Aachen)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I887968799","host_organization_name":"RWTH Aachen University","host_organization_lineage":["https://openalex.org/I887968799"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"8th International Symposium on Wireless Communication Systems 2011 : ISWCS 2011 ; Aachen, Germany, 6th - 9th November, 2011 / General Chair: Rudolf Mathar, Fac. of Electrical Engineering and Information Technology, RWTH Aachen Univ.<br/>8. International Symposium on Wireless Communication Systems 2011, ISWCS 2011, Aachen, Germany, 2011-11-06 - 2011-11-09","raw_type":"info:eu-repo/semantics/publishedVersion"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W2047071281","https://openalex.org/W2108924122","https://openalex.org/W2129131372","https://openalex.org/W2131897897","https://openalex.org/W2136015602","https://openalex.org/W2138953932","https://openalex.org/W2145096794","https://openalex.org/W2151685478","https://openalex.org/W2616032753","https://openalex.org/W6680702173"],"related_works":["https://openalex.org/W2098233271","https://openalex.org/W4294642751","https://openalex.org/W2738525905","https://openalex.org/W1556853708","https://openalex.org/W2144291038","https://openalex.org/W4296266399","https://openalex.org/W2117233216","https://openalex.org/W2753489163","https://openalex.org/W4297533531","https://openalex.org/W1976065246"],"abstract_inverted_index":{"In":[0],"this":[1,31],"paper,":[2],"we":[3,33,113],"consider":[4],"the":[5,35,59,78,88,107,117,124,127],"problem":[6],"of":[7,39,54,120,126],"sensing":[8],"a":[9,13,25,46,51,67,82,93,110,131],"frequency":[10],"spectrum":[11,68,79,89,138],"in":[12,75],"distributed":[14],"manner":[15],"using":[16],"as":[17,20,66],"few":[18,99],"measurements":[19,100],"possible":[21],"while":[22],"still":[23],"guaranteeing":[24],"low":[26,47,94],"detection":[27],"error.":[28],"To":[29],"achieve":[30],"goal":[32],"use":[34],"newly":[36],"developed":[37],"technique":[38],"matrix":[40,49,90,108],"completion":[41],"which":[42],"enables":[43],"to":[44,122],"recover":[45],"rank":[48,95],"from":[50],"small":[52],"subset":[53],"its":[55],"entries.":[56],"We":[57],"model":[58],"sensed":[60],"bandwidth":[61],"at":[62,101,109],"different":[63],"cognitive":[64,103],"radios":[65,104],"matrix.":[69],"It":[70],"has":[71,92],"been":[72],"shown":[73],"that":[74],"many":[76],"cases":[77],"used":[80],"by":[81],"primary":[83],"user":[84],"is":[85,130],"underutilized.":[86],"Therefore":[87],"often":[91],"structure.":[96],"By":[97],"taking":[98],"several":[102],"and":[105,136],"reconstructing":[106],"fusion":[111],"center,":[112],"can":[114],"dramatically":[115],"reduce":[116],"required":[118],"number":[119],"samples":[121],"reconstruct":[123],"utilization":[125],"bandwidth.":[128],"This":[129],"key":[132],"enabler":[133],"for":[134],"efficient":[135],"reliable":[137],"reuse.":[139]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2012,"cited_by_count":3}],"updated_date":"2026-05-19T08:33:51.333923","created_date":"2025-10-10T00:00:00"}