{"id":"https://openalex.org/W2948528734","doi":"https://doi.org/10.1109/tvt.2019.2919942","title":"A Codeword Search Scheme for Massive MIMO Systems","display_name":"A Codeword Search Scheme for Massive MIMO Systems","publication_year":2019,"publication_date":"2019-06-04","ids":{"openalex":"https://openalex.org/W2948528734","doi":"https://doi.org/10.1109/tvt.2019.2919942","mag":"2948528734"},"language":"en","primary_location":{"id":"doi:10.1109/tvt.2019.2919942","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2019.2919942","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/A5086055623","display_name":"Ilgyu Choi","orcid":"https://orcid.org/0000-0002-0334-308X"},"institutions":[{"id":"https://openalex.org/I193775966","display_name":"Yonsei University","ror":"https://ror.org/01wjejq96","country_code":"KR","type":"education","lineage":["https://openalex.org/I193775966"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Ilgyu Choi","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, Yonsei University, Seoul, South Korea"],"raw_orcid":"https://orcid.org/0000-0002-0334-308X","affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, Yonsei University, Seoul, South Korea","institution_ids":["https://openalex.org/I193775966"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5021002389","display_name":"Chungyong Lee","orcid":"https://orcid.org/0000-0001-7469-906X"},"institutions":[{"id":"https://openalex.org/I193775966","display_name":"Yonsei University","ror":"https://ror.org/01wjejq96","country_code":"KR","type":"education","lineage":["https://openalex.org/I193775966"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Chungyong Lee","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, Yonsei University, Seoul, South Korea"],"raw_orcid":"https://orcid.org/0000-0001-7469-906X","affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, Yonsei University, Seoul, South Korea","institution_ids":["https://openalex.org/I193775966"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I193775966"],"apc_list":null,"apc_paid":null,"fwci":0.0914,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.42421616,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"68","issue":"7","first_page":"6878","last_page":"6890"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","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/T10148","display_name":"Advanced MIMO Systems Optimization","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/T11392","display_name":"Energy Harvesting in Wireless Networks","score":0.998199999332428,"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9976999759674072,"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/codebook","display_name":"Codebook","score":0.933417797088623},{"id":"https://openalex.org/keywords/code-word","display_name":"Code word","score":0.8483654260635376},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6358351707458496},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5092090368270874},{"id":"https://openalex.org/keywords/norm","display_name":"Norm (philosophy)","score":0.49887728691101074},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4602893590927124},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4348418712615967},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.41586342453956604},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3331495225429535},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.2961236536502838},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.11764031648635864}],"concepts":[{"id":"https://openalex.org/C127759330","wikidata":"https://www.wikidata.org/wiki/Q637416","display_name":"Codebook","level":2,"score":0.933417797088623},{"id":"https://openalex.org/C153207627","wikidata":"https://www.wikidata.org/wiki/Q863873","display_name":"Code word","level":3,"score":0.8483654260635376},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6358351707458496},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5092090368270874},{"id":"https://openalex.org/C191795146","wikidata":"https://www.wikidata.org/wiki/Q3878446","display_name":"Norm (philosophy)","level":2,"score":0.49887728691101074},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4602893590927124},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4348418712615967},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.41586342453956604},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3331495225429535},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.2961236536502838},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.11764031648635864},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tvt.2019.2919942","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2019.2919942","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":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":32,"referenced_works":["https://openalex.org/W1970113402","https://openalex.org/W1971443733","https://openalex.org/W1972255293","https://openalex.org/W2017104340","https://openalex.org/W2023535408","https://openalex.org/W2037056881","https://openalex.org/W2049791297","https://openalex.org/W2061497067","https://openalex.org/W2068395281","https://openalex.org/W2074120933","https://openalex.org/W2074863717","https://openalex.org/W2098249016","https://openalex.org/W2099679634","https://openalex.org/W2099721949","https://openalex.org/W2116141601","https://openalex.org/W2120898255","https://openalex.org/W2121315337","https://openalex.org/W2128513990","https://openalex.org/W2130521103","https://openalex.org/W2135172924","https://openalex.org/W2139306630","https://openalex.org/W2141682101","https://openalex.org/W2147601077","https://openalex.org/W2158556621","https://openalex.org/W2160837607","https://openalex.org/W2164110223","https://openalex.org/W2164536085","https://openalex.org/W2170678594","https://openalex.org/W3106282754","https://openalex.org/W3112681748","https://openalex.org/W3146387078","https://openalex.org/W6643202730"],"related_works":["https://openalex.org/W2369939250","https://openalex.org/W2355032504","https://openalex.org/W1588525449","https://openalex.org/W2050865889","https://openalex.org/W2375798515","https://openalex.org/W2145406111","https://openalex.org/W1966593131","https://openalex.org/W2393018242","https://openalex.org/W4376277154","https://openalex.org/W4384933762"],"abstract_inverted_index":{"In":[0],"limited-feedback":[1],"systems,":[2],"conventional":[3,31],"codeword":[4,32,67,80],"search":[5,33,68,72,93,109,129],"scheme":[6,34,69,138],"targets":[7],"the":[8,26,30,38,41,46,55,92,103,119,126,133,136,142,147,154,159,164,175],"entire":[9],"codebook":[10,47],"to":[11,37,90],"find":[12],"a":[13,22,60,65,79,82,88,113],"codeword,":[14],"which":[15],"maximizes":[16],"an":[17,74,97],"inner":[18,75],"product":[19,76],"norm":[20,77],"with":[21],"channel":[23,83],"direction.":[24],"Since":[25],"computational":[27],"complexity":[28],"of":[29,40,43,106,122,128,135,141,166,177],"is":[35,85,179,189],"proportional":[36],"multiplication":[39],"number":[42,105,121,165,176],"antennas":[44,178],"and":[45,81,112,144,158],"size,":[48],"it":[49],"spends":[50],"too":[51],"much":[52],"time":[53],"in":[54,153],"massive":[56,155],"MIMO":[57,156],"systems.":[58],"From":[59],"geometric":[61],"observation,":[62],"we":[63],"propose":[64],"fast":[66],"that":[70,100,116,146,185],"stops":[71],"when":[73,174],"between":[78],"direction":[84],"larger":[86],"than":[87],"threshold":[89,99,115,149,161],"reduce":[91,102,118,163],"time.":[94],"We":[95,131],"derive":[96],"optimal":[98,148],"can":[101,117,162],"average":[104,120],"searches":[107,123,167],"without":[108,171],"accuracy":[110],"loss":[111,173],"suboptimal":[114,160],"largely":[124],"at":[125],"cost":[127],"accuracy.":[130],"analyze":[132],"performances":[134],"proposed":[137],"as":[139],"functions":[140],"thresholds,":[143],"show":[145,184],"loses":[150],"its":[151],"benefit":[152],"systems":[157],"by":[168],"e-1\u2248":[169],"37%":[170],"performance":[172],"infinite.":[180],"The":[181],"simulation":[182],"results":[183],"our":[186],"theoretical":[187],"analysis":[188],"accurate.":[190]},"counts_by_year":[{"year":2020,"cited_by_count":1}],"updated_date":"2026-07-29T09:40:50.615796","created_date":"2025-10-10T00:00:00"}
