{"id":"https://openalex.org/W2996314014","doi":"https://doi.org/10.1109/wcsp.2019.8928090","title":"User Grouping based Structured Joint Sparse Channel Estimation for 3D MIMO System","display_name":"User Grouping based Structured Joint Sparse Channel Estimation for 3D MIMO System","publication_year":2019,"publication_date":"2019-10-01","ids":{"openalex":"https://openalex.org/W2996314014","doi":"https://doi.org/10.1109/wcsp.2019.8928090","mag":"2996314014"},"language":"en","primary_location":{"id":"doi:10.1109/wcsp.2019.8928090","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcsp.2019.8928090","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 11th International Conference on Wireless Communications and Signal Processing (WCSP)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5011191658","display_name":"Xudong Fang","orcid":null},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xudong Fang","raw_affiliation_strings":["CAS Key Laboratory of Wireless-Optical Communications, University of Science and Technology of China, Hefei, Anhui, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"CAS Key Laboratory of Wireless-Optical Communications, University of Science and Technology of China, Hefei, Anhui, China","institution_ids":["https://openalex.org/I126520041"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5065141875","display_name":"Wuyang Zhou","orcid":"https://orcid.org/0000-0003-2229-2852"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wuyang Zhou","raw_affiliation_strings":["CAS Key Laboratory of Wireless-Optical Communications, University of Science and Technology of China, Hefei, Anhui, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"CAS Key Laboratory of Wireless-Optical Communications, University of Science and Technology of China, Hefei, Anhui, China","institution_ids":["https://openalex.org/I126520041"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I126520041"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"62","issue":null,"first_page":"1","last_page":"6"},"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/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.9966999888420105,"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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9957000017166138,"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/mimo","display_name":"MIMO","score":0.8254448175430298},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7009176015853882},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6585671901702881},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6029265522956848},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.5723143219947815},{"id":"https://openalex.org/keywords/property","display_name":"Property (philosophy)","score":0.5615508556365967},{"id":"https://openalex.org/keywords/joint","display_name":"Joint (building)","score":0.540254533290863},{"id":"https://openalex.org/keywords/tree","display_name":"Tree (set theory)","score":0.5351383090019226},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.47509491443634033},{"id":"https://openalex.org/keywords/domain","display_name":"Domain (mathematical analysis)","score":0.4460947811603546},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.2710503935813904},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.24419733881950378},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.11598506569862366},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.07271027565002441}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.8254448175430298},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7009176015853882},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6585671901702881},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6029265522956848},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.5723143219947815},{"id":"https://openalex.org/C189950617","wikidata":"https://www.wikidata.org/wiki/Q937228","display_name":"Property (philosophy)","level":2,"score":0.5615508556365967},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.540254533290863},{"id":"https://openalex.org/C113174947","wikidata":"https://www.wikidata.org/wiki/Q2859736","display_name":"Tree (set theory)","level":2,"score":0.5351383090019226},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.47509491443634033},{"id":"https://openalex.org/C36503486","wikidata":"https://www.wikidata.org/wiki/Q11235244","display_name":"Domain (mathematical analysis)","level":2,"score":0.4460947811603546},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.2710503935813904},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.24419733881950378},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.11598506569862366},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.07271027565002441},{"id":"https://openalex.org/C170154142","wikidata":"https://www.wikidata.org/wiki/Q150737","display_name":"Architectural engineering","level":1,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/wcsp.2019.8928090","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcsp.2019.8928090","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 11th International Conference on Wireless Communications and Signal Processing (WCSP)","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":15,"referenced_works":["https://openalex.org/W2012574959","https://openalex.org/W2055849441","https://openalex.org/W2074661065","https://openalex.org/W2097649362","https://openalex.org/W2120549790","https://openalex.org/W2127271355","https://openalex.org/W2132048364","https://openalex.org/W2141682101","https://openalex.org/W2155204888","https://openalex.org/W2298279259","https://openalex.org/W2460507999","https://openalex.org/W2489416480","https://openalex.org/W2600734944","https://openalex.org/W2730198753","https://openalex.org/W6682373965"],"related_works":["https://openalex.org/W2545343974","https://openalex.org/W4291895924","https://openalex.org/W1783583321","https://openalex.org/W2038397443","https://openalex.org/W2059045613","https://openalex.org/W884630482","https://openalex.org/W2025723618","https://openalex.org/W2552025594","https://openalex.org/W4211013851","https://openalex.org/W2134520490"],"abstract_inverted_index":{"Accurate":[0],"channel":[1,25,91],"state":[2],"information":[3],"(CSI)":[4],"is":[5,53,65],"essential":[6],"to":[7],"fully":[8],"unleash":[9],"the":[10,21,30,54,63,66],"potential":[11],"of":[12,24,32,42],"tree-dimensional":[13],"multiple-input":[14],"multiple":[15,74],"output":[16],"(3D":[17],"MIMO)":[18],"system.":[19],"However,":[20],"computational":[22],"complexity":[23],"estimation":[26,92],"increases":[27],"exponentially":[28],"with":[29,107],"number":[31],"antennas.":[33],"Fortunately,":[34],"experiments":[35],"reveal":[36],"that":[37,105],"there":[38],"exists":[39],"two":[40,80],"kinds":[41],"structured":[43,88],"common":[44,57,69],"sparsity":[45,58,70],"properties":[46],"in":[47],"massive":[48],"3D":[49],"MIMO":[50],"channel.":[51],"One":[52],"temporal":[55],"domain":[56,68],"property":[59,71],"shared":[60,72],"by":[61,73],"antennas,":[62],"other":[64],"angular":[67],"users.":[75],"By":[76],"jointly":[77],"exploiting":[78],"these":[79],"properties,":[81],"we":[82],"propose":[83],"a":[84],"user":[85],"grouping":[86],"based":[87],"joint":[89],"sparse":[90],"(UG-SJSCE)":[93],"algorithm":[94,114],"which":[95],"can":[96,115],"achieve":[97,116],"significantly":[98],"lower":[99,117],"complexity.":[100],"The":[101],"simulation":[102],"results":[103],"show":[104],"compared":[106],"conventional":[108],"CS":[109],"algorithms,":[110],"our":[111],"proposed":[112],"UG-SJSCE":[113],"normalized":[118],"mean":[119],"squared":[120],"error":[121],"(NMSE).":[122]},"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
