{"id":"https://openalex.org/W1481523253","doi":"https://doi.org/10.1109/iccw.2015.7247317","title":"Channel estimation via oblique matching pursuit for FDD massive MIMO downlink","display_name":"Channel estimation via oblique matching pursuit for FDD massive MIMO downlink","publication_year":2015,"publication_date":"2015-06-01","ids":{"openalex":"https://openalex.org/W1481523253","doi":"https://doi.org/10.1109/iccw.2015.7247317","mag":"1481523253"},"language":"en","primary_location":{"id":"doi:10.1109/iccw.2015.7247317","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iccw.2015.7247317","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE International Conference on Communication Workshop (ICCW)","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/A5049332012","display_name":"Minhyun Kim","orcid":"https://orcid.org/0000-0003-3679-1775"},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Minhyun Kim","raw_affiliation_strings":["Dept. of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Korea","[Department of Electrical Engineering, Korea Advanced, Institute of Science and Technology (KAIST), Daejeon, Korea]"],"affiliations":[{"raw_affiliation_string":"Dept. of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Korea","institution_ids":["https://openalex.org/I157485424"]},{"raw_affiliation_string":"[Department of Electrical Engineering, Korea Advanced, Institute of Science and Technology (KAIST), Daejeon, Korea]","institution_ids":["https://openalex.org/I157485424"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100366235","display_name":"Jun-Ho Lee","orcid":"https://orcid.org/0000-0001-7693-8896"},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Junho Lee","raw_affiliation_strings":["Dept. of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Korea","[Department of Electrical Engineering, Korea Advanced, Institute of Science and Technology (KAIST), Daejeon, Korea]"],"affiliations":[{"raw_affiliation_string":"Dept. of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Korea","institution_ids":["https://openalex.org/I157485424"]},{"raw_affiliation_string":"[Department of Electrical Engineering, Korea Advanced, Institute of Science and Technology (KAIST), Daejeon, Korea]","institution_ids":["https://openalex.org/I157485424"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002336216","display_name":"Gye\u2010Tae Gil","orcid":"https://orcid.org/0000-0002-8613-3271"},"institutions":[{"id":"https://openalex.org/I878022262","display_name":"Korea Institute of Science & Technology Information","ror":"https://ror.org/01k4yrm29","country_code":"KR","type":"facility","lineage":["https://openalex.org/I2801339556","https://openalex.org/I4210144908","https://openalex.org/I4387152098","https://openalex.org/I878022262"]},{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Gye-Tae Gil","raw_affiliation_strings":["KAIST Institute for Information Technology Convergence (KI ITC), Daejeon, Korea","[KAIST Institute for Information Technology Convergence (KI ITC), Daejeon, Korea]"],"affiliations":[{"raw_affiliation_string":"KAIST Institute for Information Technology Convergence (KI ITC), Daejeon, Korea","institution_ids":["https://openalex.org/I878022262","https://openalex.org/I157485424"]},{"raw_affiliation_string":"[KAIST Institute for Information Technology Convergence (KI ITC), Daejeon, Korea]","institution_ids":["https://openalex.org/I157485424"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5045853898","display_name":"Yong H. Lee","orcid":"https://orcid.org/0000-0001-9576-8554"},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Yong H. Lee","raw_affiliation_strings":["Dept. of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Korea","[Department of Electrical Engineering, Korea Advanced, Institute of Science and Technology (KAIST), Daejeon, Korea]"],"affiliations":[{"raw_affiliation_string":"Dept. of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Korea","institution_ids":["https://openalex.org/I157485424"]},{"raw_affiliation_string":"[Department of Electrical Engineering, Korea Advanced, Institute of Science and Technology (KAIST), Daejeon, Korea]","institution_ids":["https://openalex.org/I157485424"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5049332012"],"corresponding_institution_ids":["https://openalex.org/I157485424"],"apc_list":null,"apc_paid":null,"fwci":0.5919,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.70551742,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"1060","last_page":"1064"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9997000098228455,"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":0.9997000098228455,"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/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.9994999766349792,"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/T12791","display_name":"Full-Duplex Wireless Communications","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"}}],"keywords":[{"id":"https://openalex.org/keywords/matching-pursuit","display_name":"Matching pursuit","score":0.831852912902832},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6796112060546875},{"id":"https://openalex.org/keywords/estimator","display_name":"Estimator","score":0.6624728441238403},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6517560482025146},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5624902844429016},{"id":"https://openalex.org/keywords/compressed-sensing","display_name":"Compressed sensing","score":0.5147483348846436},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5112864971160889},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.48941436409950256},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.4881490170955658},{"id":"https://openalex.org/keywords/minimum-mean-square-error","display_name":"Minimum mean square error","score":0.4777233302593231},{"id":"https://openalex.org/keywords/covariance","display_name":"Covariance","score":0.4127656817436218},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.39921796321868896},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.3797157108783722},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.19231468439102173},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.18411633372306824},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.129075825214386}],"concepts":[{"id":"https://openalex.org/C156872377","wikidata":"https://www.wikidata.org/wiki/Q6786281","display_name":"Matching pursuit","level":3,"score":0.831852912902832},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6796112060546875},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.6624728441238403},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6517560482025146},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5624902844429016},{"id":"https://openalex.org/C124851039","wikidata":"https://www.wikidata.org/wiki/Q2665459","display_name":"Compressed sensing","level":2,"score":0.5147483348846436},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5112864971160889},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.48941436409950256},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.4881490170955658},{"id":"https://openalex.org/C90652560","wikidata":"https://www.wikidata.org/wiki/Q11091747","display_name":"Minimum mean square error","level":3,"score":0.4777233302593231},{"id":"https://openalex.org/C178650346","wikidata":"https://www.wikidata.org/wiki/Q201984","display_name":"Covariance","level":2,"score":0.4127656817436218},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.39921796321868896},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.3797157108783722},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.19231468439102173},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.18411633372306824},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.129075825214386},{"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/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iccw.2015.7247317","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iccw.2015.7247317","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE International Conference on Communication Workshop (ICCW)","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":21,"referenced_works":["https://openalex.org/W1974121787","https://openalex.org/W1985694088","https://openalex.org/W2000784360","https://openalex.org/W2015301486","https://openalex.org/W2017698840","https://openalex.org/W2023535408","https://openalex.org/W2027865144","https://openalex.org/W2057206714","https://openalex.org/W2059335839","https://openalex.org/W2076457767","https://openalex.org/W2092397817","https://openalex.org/W2099721949","https://openalex.org/W2104987624","https://openalex.org/W2119667497","https://openalex.org/W2120549790","https://openalex.org/W2134033146","https://openalex.org/W2137628444","https://openalex.org/W2141682101","https://openalex.org/W2147601077","https://openalex.org/W2169837091","https://openalex.org/W2568331865"],"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/W2241396314","https://openalex.org/W2262109992","https://openalex.org/W2436826437"],"abstract_inverted_index":{"We":[0],"consider":[1],"channel":[2,36,90],"estimation":[3],"for":[4,112],"massive":[5,26],"multiple-input":[6],"multiple-output":[7],"(MIMO)":[8],"systems":[9],"operating":[10],"in":[11,25],"frequency":[12],"division":[13],"duplexing":[14],"(FDD)":[15],"mode.":[16],"By":[17],"exploiting":[18],"the":[19,41,47,65,73,84,89,95,104,109,114,118,128,131,138,141,149],"sparsity":[20],"of":[21,72,117,130,140],"significant":[22],"propagation":[23],"paths":[24],"MIMO":[27],"channels,":[28],"we":[29,93],"develop":[30],"a":[31],"compressed":[32],"sensing":[33],"(CS)":[34],"based":[35,63],"estimator":[37],"that":[38,78,98],"can":[39,79],"reduce":[40],"pilot":[42,122],"overhead":[43],"as":[44],"compared":[45],"with":[46,103],"conventional":[48],"least":[49],"squares":[50],"(LS)":[51],"and":[52,107,152],"minimum":[53],"mean":[54],"square":[55],"error":[56],"(MMSE)":[57],"estimators.":[58,154],"The":[59,121,134],"proposed":[60,119,142],"scheme":[61,143],"is":[62,124],"on":[64],"oblique":[66,115],"matching":[67,75],"pursuit":[68,76],"(ObMP),":[69],"an":[70],"extension":[71],"orthogonal":[74],"(OMP),":[77],"exploit":[80],"prior":[81],"information":[82],"about":[83],"sparse":[85],"signal":[86],"vector.":[87],"Given":[88],"covariance":[91],"matrix,":[92],"obtain":[94],"incidence":[96,110],"probability":[97,111],"each":[99],"quantized":[100],"angle":[101],"coincides":[102],"angle-of-departure":[105],"(AoD)":[106],"use":[108],"deriving":[113],"operator":[116],"scheme.":[120],"sequence":[123],"designed":[125],"to":[126],"minimize":[127],"MSE":[129],"oracle":[132],"estimator.":[133],"simulation":[135],"results":[136],"demonstrate":[137],"advantage":[139],"over":[144],"various":[145],"existing":[146],"methods":[147],"including":[148],"LS,":[150],"MMSE":[151],"OMP":[153]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
