{"id":"https://openalex.org/W2982354105","doi":"https://doi.org/10.1109/wcnc.2019.8885592","title":"Low Complexity Sparse Channel Estimation for Wideband mmWave Systems: Multi-Stage Approach","display_name":"Low Complexity Sparse Channel Estimation for Wideband mmWave Systems: Multi-Stage Approach","publication_year":2019,"publication_date":"2019-04-01","ids":{"openalex":"https://openalex.org/W2982354105","doi":"https://doi.org/10.1109/wcnc.2019.8885592","mag":"2982354105"},"language":"en","primary_location":{"id":"doi:10.1109/wcnc.2019.8885592","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc.2019.8885592","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE Wireless Communications and Networking Conference (WCNC)","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/A5027575025","display_name":"Mojtaba Jahandideh","orcid":null},"institutions":[{"id":"https://openalex.org/I98381234","display_name":"University of Oulu","ror":"https://ror.org/03yj89h83","country_code":"FI","type":"education","lineage":["https://openalex.org/I98381234"]}],"countries":["FI"],"is_corresponding":true,"raw_author_name":"Mojtaba Jahandideh","raw_affiliation_strings":["Centre for Wireless Communications (CWC), University of Oulu, Finland","Centre for Wireless Communications, University of Oulu, Oulu, Finland"],"affiliations":[{"raw_affiliation_string":"Centre for Wireless Communications (CWC), University of Oulu, Finland","institution_ids":["https://openalex.org/I98381234"]},{"raw_affiliation_string":"Centre for Wireless Communications, University of Oulu, Oulu, Finland","institution_ids":["https://openalex.org/I98381234"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086565556","display_name":"Mohammad Moltafet","orcid":"https://orcid.org/0000-0002-6887-8587"},"institutions":[{"id":"https://openalex.org/I98381234","display_name":"University of Oulu","ror":"https://ror.org/03yj89h83","country_code":"FI","type":"education","lineage":["https://openalex.org/I98381234"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Mohammad Moltafet","raw_affiliation_strings":["Centre for Wireless Communications (CWC), University of Oulu, Finland","Centre for Wireless Communications, University of Oulu, Oulu, Finland"],"affiliations":[{"raw_affiliation_string":"Centre for Wireless Communications (CWC), University of Oulu, Finland","institution_ids":["https://openalex.org/I98381234"]},{"raw_affiliation_string":"Centre for Wireless Communications, University of Oulu, Oulu, Finland","institution_ids":["https://openalex.org/I98381234"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028268404","display_name":"Marian Codreanu","orcid":"https://orcid.org/0000-0003-0210-4375"},"institutions":[{"id":"https://openalex.org/I102134673","display_name":"Link\u00f6ping University","ror":"https://ror.org/05ynxx418","country_code":"SE","type":"education","lineage":["https://openalex.org/I102134673"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Marian Codreanu","raw_affiliation_strings":["Department of Science and Technology, Link\u00f6ping University, Sweden","Link\u00f6ping University, Linkoping, Sweden"],"affiliations":[{"raw_affiliation_string":"Department of Science and Technology, Link\u00f6ping University, Sweden","institution_ids":["https://openalex.org/I102134673"]},{"raw_affiliation_string":"Link\u00f6ping University, Linkoping, Sweden","institution_ids":["https://openalex.org/I102134673"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5035872239","display_name":"Matti Latva\u2010aho","orcid":"https://orcid.org/0000-0002-6261-0969"},"institutions":[{"id":"https://openalex.org/I98381234","display_name":"University of Oulu","ror":"https://ror.org/03yj89h83","country_code":"FI","type":"education","lineage":["https://openalex.org/I98381234"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Matti Latva-Aho","raw_affiliation_strings":["Centre for Wireless Communications (CWC), University of Oulu, Finland","Centre for Wireless Communications, University of Oulu, Oulu, Finland"],"affiliations":[{"raw_affiliation_string":"Centre for Wireless Communications (CWC), University of Oulu, Finland","institution_ids":["https://openalex.org/I98381234"]},{"raw_affiliation_string":"Centre for Wireless Communications, University of Oulu, Oulu, Finland","institution_ids":["https://openalex.org/I98381234"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5027575025"],"corresponding_institution_ids":["https://openalex.org/I98381234"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.11274198,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9998999834060669,"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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9998999834060669,"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/T10262","display_name":"Microwave Engineering and Waveguides","score":0.9987999796867371,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9979000091552734,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7636070251464844},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6963986754417419},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.6802045702934265},{"id":"https://openalex.org/keywords/wideband","display_name":"Wideband","score":0.6179060339927673},{"id":"https://openalex.org/keywords/transceiver","display_name":"Transceiver","score":0.5450047850608826},{"id":"https://openalex.org/keywords/frequency-domain","display_name":"Frequency domain","score":0.5047620534896851},{"id":"https://openalex.org/keywords/extremely-high-frequency","display_name":"Extremely high frequency","score":0.48952850699424744},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.473396897315979},{"id":"https://openalex.org/keywords/exploit","display_name":"Exploit","score":0.4329964220523834},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4240495264530182},{"id":"https://openalex.org/keywords/matching-pursuit","display_name":"Matching pursuit","score":0.41800329089164734},{"id":"https://openalex.org/keywords/compressed-sensing","display_name":"Compressed sensing","score":0.4160045385360718},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.24555659294128418},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.23256877064704895},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.12476864457130432}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7636070251464844},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6963986754417419},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.6802045702934265},{"id":"https://openalex.org/C2780202535","wikidata":"https://www.wikidata.org/wiki/Q4524457","display_name":"Wideband","level":2,"score":0.6179060339927673},{"id":"https://openalex.org/C7720470","wikidata":"https://www.wikidata.org/wiki/Q954187","display_name":"Transceiver","level":3,"score":0.5450047850608826},{"id":"https://openalex.org/C19118579","wikidata":"https://www.wikidata.org/wiki/Q786423","display_name":"Frequency domain","level":2,"score":0.5047620534896851},{"id":"https://openalex.org/C45764600","wikidata":"https://www.wikidata.org/wiki/Q570342","display_name":"Extremely high frequency","level":2,"score":0.48952850699424744},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.473396897315979},{"id":"https://openalex.org/C165696696","wikidata":"https://www.wikidata.org/wiki/Q11287","display_name":"Exploit","level":2,"score":0.4329964220523834},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4240495264530182},{"id":"https://openalex.org/C156872377","wikidata":"https://www.wikidata.org/wiki/Q6786281","display_name":"Matching pursuit","level":3,"score":0.41800329089164734},{"id":"https://openalex.org/C124851039","wikidata":"https://www.wikidata.org/wiki/Q2665459","display_name":"Compressed sensing","level":2,"score":0.4160045385360718},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.24555659294128418},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.23256877064704895},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.12476864457130432},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.0},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/wcnc.2019.8885592","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc.2019.8885592","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE Wireless Communications and Networking Conference (WCNC)","raw_type":"proceedings-article"},{"id":"pmh:oai:oulu.fi:nbnfi-fe2020062645832","is_oa":false,"landing_page_url":"http://urn.fi/urn:nbn:fi-fe2020062645832","pdf_url":null,"source":{"id":"https://openalex.org/S4306400284","display_name":"University of Oulu Repository (University of Oulu)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I98381234","host_organization_name":"University of Oulu","host_organization_lineage":["https://openalex.org/I98381234"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W340244495","https://openalex.org/W747911303","https://openalex.org/W776482163","https://openalex.org/W905396345","https://openalex.org/W1483249443","https://openalex.org/W2014075533","https://openalex.org/W2075148031","https://openalex.org/W2092397817","https://openalex.org/W2100236515","https://openalex.org/W2111953900","https://openalex.org/W2116334496","https://openalex.org/W2137628444","https://openalex.org/W2189661557","https://openalex.org/W2195693430","https://openalex.org/W2195833401","https://openalex.org/W2336403911","https://openalex.org/W2509358755","https://openalex.org/W2559695533","https://openalex.org/W4300263211"],"related_works":["https://openalex.org/W2098521117","https://openalex.org/W2465351041","https://openalex.org/W4385694579","https://openalex.org/W2340242818","https://openalex.org/W4300881421","https://openalex.org/W2103001330","https://openalex.org/W4319793311","https://openalex.org/W2262109992","https://openalex.org/W2241396314","https://openalex.org/W2436826437"],"abstract_inverted_index":{"We":[0],"consider":[1],"the":[2,19,23,26,55,59,65,81,96,101,106,109],"problem":[3,68],"of":[4,22,28,58,108],"channel":[5,66],"estimation":[6,67,82],"in":[7,12,74],"hybrid":[8],"transceiver":[9],"architectures":[10],"operating":[11],"millimeter":[13],"wave":[14],"(mmWave)":[15],"band.":[16],"Due":[17],"to":[18,31,38,79],"dynamic":[20],"features":[21],"environment":[24],"and":[25,33,46,63],"sensitivity":[27],"mmWave":[29,40,61],"bands":[30],"blockage":[32],"deafness,":[34],"it":[35],"is":[36],"important":[37],"estimate":[39],"channels":[41,62],"with":[42],"a":[43,70,86],"low":[44,89],"complexity":[45,90,103],"high":[47],"performance":[48],"algorithm.":[49,91],"In":[50,77],"this":[51],"regard,":[52],"we":[53,84],"exploit":[54],"sparse":[56,71],"structure":[57],"frequency-selective":[60],"formulate":[64],"as":[69],"signal":[72],"reconstruction":[73],"frequency":[75],"domain.":[76],"order":[78],"solve":[80],"problem,":[83],"propose":[85],"multi-stage":[87],"based":[88],"Simulation":[92],"results":[93],"show":[94],"that":[95],"proposed":[97],"algorithm":[98],"significantly":[99],"reduces":[100],"computational":[102],"while":[104],"preserving":[105],"quality":[107],"estimation.":[110]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}