{"id":"https://openalex.org/W2104063810","doi":"https://doi.org/10.1109/lcomm.2012.032612.120250","title":"Angle-Domain Frequency-Selective Sparse Channel Estimation for Underwater MIMO-OFDM Systems","display_name":"Angle-Domain Frequency-Selective Sparse Channel Estimation for Underwater MIMO-OFDM Systems","publication_year":2012,"publication_date":"2012-04-11","ids":{"openalex":"https://openalex.org/W2104063810","doi":"https://doi.org/10.1109/lcomm.2012.032612.120250","mag":"2104063810"},"language":"en","primary_location":{"is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2012.032612.120250","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310319808","https://openalex.org/P4310316002"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers","IEEE Communications Society"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false},"type":"article","type_crossref":"journal-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/A5100733417","display_name":"Sunwoo Kim","orcid":"https://orcid.org/0000-0002-7055-6587"},"institutions":[{"id":"https://openalex.org/I4575257","display_name":"Hanyang University","ror":"https://ror.org/046865y68","country_code":"KR","type":"education","lineage":["https://openalex.org/I4575257"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Sunwoo Kim","raw_affiliation_strings":["Dept. of Electron. Eng., Hanyang Univ., Seoul, , South Korea"],"affiliations":[{"raw_affiliation_string":"Dept. of Electron. Eng., Hanyang Univ., Seoul, , South Korea","institution_ids":["https://openalex.org/I4575257"]}]}],"institution_assertions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5100733417"],"corresponding_institution_ids":["https://openalex.org/I4575257"],"apc_list":null,"apc_paid":null,"fwci":6.462,"has_fulltext":true,"fulltext_origin":"ngrams","cited_by_count":28,"citation_normalized_percentile":{"value":0.929632,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":92,"max":93},"biblio":{"volume":"16","issue":"5","first_page":"685","last_page":"687"},"is_retracted":false,"is_paratext":false,"primary_topic":{"id":"https://openalex.org/T11192","display_name":"Underwater Vehicles and Communication Systems","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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/T11192","display_name":"Underwater Vehicles and Communication Systems","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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/T10891","display_name":"Radar Systems and Signal Processing","score":0.9995,"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"}},{"id":"https://openalex.org/T11698","display_name":"Underwater Acoustics Research","score":0.9994,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/underwater-acoustic-communication","display_name":"Underwater acoustic communication","score":0.49190044}],"concepts":[{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.8585018},{"id":"https://openalex.org/C130946814","wikidata":"https://www.wikidata.org/wiki/Q5988271","display_name":"MIMO-OFDM","level":4,"score":0.7282598},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.71767586},{"id":"https://openalex.org/C19118579","wikidata":"https://www.wikidata.org/wiki/Q786423","display_name":"Frequency domain","level":2,"score":0.6310724},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5987084},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5960833},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5943324},{"id":"https://openalex.org/C156872377","wikidata":"https://www.wikidata.org/wiki/Q6786281","display_name":"Matching pursuit","level":3,"score":0.5619065},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.5316513},{"id":"https://openalex.org/C169111936","wikidata":"https://www.wikidata.org/wiki/Q424098","display_name":"Underwater acoustic communication","level":3,"score":0.49190044},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.44698548},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.36849535},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.33972323},{"id":"https://openalex.org/C98083399","wikidata":"https://www.wikidata.org/wiki/Q3246517","display_name":"Underwater","level":2,"score":0.31176686},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.28309765},{"id":"https://openalex.org/C124851039","wikidata":"https://www.wikidata.org/wiki/Q2665459","display_name":"Compressed sensing","level":2,"score":0.2559002},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.10892376},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.072544396},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.0},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2012.032612.120250","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310319808","https://openalex.org/P4310316002"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers","IEEE Communications Society"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Life below water","score":0.64,"id":"https://metadata.un.org/sdg/14"}],"grants":[],"datasets":[],"versions":[],"referenced_works_count":11,"referenced_works":["https://openalex.org/W1979473484","https://openalex.org/W1997834106","https://openalex.org/W2116319954","https://openalex.org/W2130542426","https://openalex.org/W2137628444","https://openalex.org/W2140856955","https://openalex.org/W2159306970","https://openalex.org/W2168625863","https://openalex.org/W2170984917","https://openalex.org/W2296616510","https://openalex.org/W4250955649"],"related_works":["https://openalex.org/W958863958","https://openalex.org/W3209093869","https://openalex.org/W2361707150","https://openalex.org/W2120333512","https://openalex.org/W2117468794","https://openalex.org/W2104063810","https://openalex.org/W2030678260","https://openalex.org/W1984489278","https://openalex.org/W180473969","https://openalex.org/W1559987689"],"abstract_inverted_index":{"In":[0],"this":[1],"letter":[2],"we":[3],"propose":[4],"a":[5],"fully":[6],"angle-domain":[7,40],"frequency-selective":[8,66],"sparse":[9,67],"channel":[10,68],"estimation":[11],"algorithm":[12,27,57],"for":[13,72],"multiple-input":[14],"multiple-output":[15],"orthogonal":[16,54],"frequency":[17],"division":[18],"multiplexing":[19],"underwater":[20],"acoustic":[21],"communication":[22],"(MIMO-OFDM":[23],"UAC)":[24],"systems.":[25,75],"The":[26],"is":[28],"divided":[29],"into":[30],"two":[31],"stages":[32],"(finding":[33],"nonzero":[34,39],"tap":[35],"positions":[36],"and":[37],"finding":[38],"coefficients)":[41],"to":[42,62],"reduce":[43],"the":[44,52,64],"computational":[45],"complexity.":[46],"It":[47],"has":[48],"been":[49],"demonstrated":[50],"that":[51],"2-stage":[53],"matching":[55],"pursuits":[56],"provides":[58],"an":[59],"efficient":[60],"way":[61],"estimate":[63],"under-determined":[65],"with":[69],"reduced":[70],"complexity":[71],"MIMO-OFDM":[73],"UAC":[74]},"cited_by_api_url":"https://api.openalex.org/works?filter=cites:W2104063810","counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":3},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":4},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":4},{"year":2014,"cited_by_count":4},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":1}],"updated_date":"2025-01-21T09:41:33.230083","created_date":"2016-06-24"}