{"id":"https://openalex.org/W4251196011","doi":"https://doi.org/10.1109/glocom.2014.7417036","title":"Sparsity-Enhancing Basis for Compressive Sensing Based Channel Feedback in Massive MIMO Systems","display_name":"Sparsity-Enhancing Basis for Compressive Sensing Based Channel Feedback in Massive MIMO Systems","publication_year":2014,"publication_date":"2014-12-01","ids":{"openalex":"https://openalex.org/W4251196011","doi":"https://doi.org/10.1109/glocom.2014.7417036"},"language":"en","primary_location":{"id":"doi:10.1109/glocom.2014.7417036","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2014.7417036","pdf_url":null,"source":{"id":"https://openalex.org/S4363607712","display_name":"2015 IEEE Global Communications Conference (GLOBECOM)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE Global Communications Conference (GLOBECOM)","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/A5054546213","display_name":"Lu Lu","orcid":"https://orcid.org/0000-0003-2240-9547"},"institutions":[{"id":"https://openalex.org/I130701444","display_name":"Georgia Institute of Technology","ror":"https://ror.org/01zkghx44","country_code":"US","type":"education","lineage":["https://openalex.org/I130701444"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Lu Lu","raw_affiliation_strings":["School of ECE, Georgia Institute of Technology, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of ECE, Georgia Institute of Technology, USA","institution_ids":["https://openalex.org/I130701444"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039289964","display_name":"Geoffrey Ye Li","orcid":"https://orcid.org/0000-0002-7894-2415"},"institutions":[{"id":"https://openalex.org/I130701444","display_name":"Georgia Institute of Technology","ror":"https://ror.org/01zkghx44","country_code":"US","type":"education","lineage":["https://openalex.org/I130701444"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Geoffrey Ye Li","raw_affiliation_strings":["School of ECE, Georgia Institute of Technology, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of ECE, Georgia Institute of Technology, USA","institution_ids":["https://openalex.org/I130701444"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045306965","display_name":"Deli Qiao","orcid":null},"institutions":[{"id":"https://openalex.org/I2250955327","display_name":"Huawei Technologies (China)","ror":"https://ror.org/00cmhce21","country_code":"CN","type":"company","lineage":["https://openalex.org/I2250955327"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Deli Qiao","raw_affiliation_strings":["Huawei Technologies Co. Ltd., Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Huawei Technologies Co. Ltd., Shanghai, China","institution_ids":["https://openalex.org/I2250955327"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100452682","display_name":"Wei Han","orcid":"https://orcid.org/0000-0002-1966-446X"},"institutions":[{"id":"https://openalex.org/I2250955327","display_name":"Huawei Technologies (China)","ror":"https://ror.org/00cmhce21","country_code":"CN","type":"company","lineage":["https://openalex.org/I2250955327"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wei Han","raw_affiliation_strings":["Huawei Technologies Co. Ltd., Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Huawei Technologies Co. Ltd., Shanghai, China","institution_ids":["https://openalex.org/I2250955327"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.4079,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.6185912,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"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":0.9998000264167786,"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":0.9991999864578247,"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/compressed-sensing","display_name":"Compressed sensing","score":0.790607213973999},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.7816351652145386},{"id":"https://openalex.org/keywords/basis","display_name":"Basis (linear algebra)","score":0.6750813722610474},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6678599119186401},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.6632200479507446},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.6274551153182983},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6219971179962158},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.5962873697280884},{"id":"https://openalex.org/keywords/norm","display_name":"Norm (philosophy)","score":0.4952656328678131},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.46974900364875793},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.4463879466056824},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.3202243745326996},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.21894830465316772},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1680741012096405},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.13118582963943481},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.08877915143966675}],"concepts":[{"id":"https://openalex.org/C124851039","wikidata":"https://www.wikidata.org/wiki/Q2665459","display_name":"Compressed sensing","level":2,"score":0.790607213973999},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7816351652145386},{"id":"https://openalex.org/C12426560","wikidata":"https://www.wikidata.org/wiki/Q189569","display_name":"Basis (linear algebra)","level":2,"score":0.6750813722610474},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6678599119186401},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.6632200479507446},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.6274551153182983},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6219971179962158},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.5962873697280884},{"id":"https://openalex.org/C191795146","wikidata":"https://www.wikidata.org/wiki/Q3878446","display_name":"Norm (philosophy)","level":2,"score":0.4952656328678131},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.46974900364875793},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.4463879466056824},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.3202243745326996},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.21894830465316772},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1680741012096405},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.13118582963943481},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.08877915143966675},{"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/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"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/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"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/glocom.2014.7417036","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2014.7417036","pdf_url":null,"source":{"id":"https://openalex.org/S4363607712","display_name":"2015 IEEE Global Communications Conference (GLOBECOM)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE Global Communications Conference (GLOBECOM)","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":20,"referenced_works":["https://openalex.org/W203533378","https://openalex.org/W1995595271","https://openalex.org/W1997834106","https://openalex.org/W2023535408","https://openalex.org/W2099721949","https://openalex.org/W2107861471","https://openalex.org/W2119667497","https://openalex.org/W2120549790","https://openalex.org/W2127271355","https://openalex.org/W2128513990","https://openalex.org/W2137628444","https://openalex.org/W2141682101","https://openalex.org/W2144144913","https://openalex.org/W2145013959","https://openalex.org/W2145096794","https://openalex.org/W2147601077","https://openalex.org/W2168625863","https://openalex.org/W2171075378","https://openalex.org/W4250955649","https://openalex.org/W6608218929"],"related_works":["https://openalex.org/W2059045613","https://openalex.org/W4250215096","https://openalex.org/W2119209917","https://openalex.org/W884630482","https://openalex.org/W4313028534","https://openalex.org/W2145047504","https://openalex.org/W2159179523","https://openalex.org/W2344350961","https://openalex.org/W2950791861","https://openalex.org/W2025723618"],"abstract_inverted_index":{"Massive":[0],"multiple-input":[1],"multiple-output":[2],"(MIMO)":[3],"systems":[4,50],"have":[5],"attracted":[6],"extensive":[7],"attention":[8],"recently":[9],"due":[10],"to":[11,14,64,91],"their":[12],"potentials":[13],"provide":[15],"high":[16,37],"system":[17],"capacity.":[18],"To":[19,80],"obtain":[20],"the":[21,32,66,75,82,85,93,96,103,107,115,128,148,160],"benefits":[22],"of":[23,39,84,95,106,110,147],"massive":[24,48],"MIMO":[25,49],"systems,":[26],"channel":[27,41,97,112],"state":[28],"information":[29,105],"(CSI)":[30],"at":[31],"transmitter":[33],"is":[34,60,98,124,130,137,157],"essential.":[35],"The":[36,143],"overhead":[38],"traditional":[40,161],"estimation":[42],"and":[43,136],"feedback":[44,78,150],"scheme":[45,151],"for":[46,114],"downlink":[47],"makes":[51],"frequency":[52],"division":[53],"duplexing":[54],"(FDD)":[55],"impractical.":[56],"Compressive":[57],"sensing":[58],"(CS)":[59],"a":[61,88,133],"potential":[62],"way":[63],"alleviate":[65],"problem.":[67],"In":[68],"this":[69],"paper,":[70],"we":[71,101],"mainly":[72],"focus":[73],"on":[74,153],"CS-":[76],"based":[77,120,152],"design.":[79,117],"guarantee":[81],"performance":[83,146],"CS-based":[86,149],"algorithms,":[87],"proper":[89],"basis":[90,116,121,156],"reveal":[92],"sparsity":[94],"important.":[99],"Here,":[100],"use":[102],"statistical":[104],"angle-of-departure":[108],"(AoD)":[109],"physical":[111],"paths":[113],"A":[118],"l0-norm":[119],"optimization":[122],"problem":[123,129],"first":[125],"formulated.":[126],"Then,":[127],"relaxed":[131],"by":[132,139],"weighted":[134],"l1-norm":[135],"solved":[138],"an":[140],"iterative":[141],"algorithm.":[142],"mean-square-error":[144],"(MSE)":[145],"our":[154],"proposed":[155],"better":[158],"than":[159],"discrete":[162],"Fourier":[163],"transform":[164],"(DFT)":[165],"basis.":[166]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2020,"cited_by_count":2},{"year":2018,"cited_by_count":1},{"year":2015,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}