{"id":"https://openalex.org/W2289951267","doi":"https://doi.org/10.1109/globalsip.2015.7418205","title":"An efficient CDI acquisition scheme facilitating large scale antenna systems","display_name":"An efficient CDI acquisition scheme facilitating large scale antenna systems","publication_year":2015,"publication_date":"2015-12-01","ids":{"openalex":"https://openalex.org/W2289951267","doi":"https://doi.org/10.1109/globalsip.2015.7418205","mag":"2289951267"},"language":"en","primary_location":{"id":"doi:10.1109/globalsip.2015.7418205","is_oa":false,"landing_page_url":"https://doi.org/10.1109/globalsip.2015.7418205","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE Global Conference on Signal and Information Processing (GlobalSIP)","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/A5100646129","display_name":"Bin Yu","orcid":"https://orcid.org/0000-0002-1862-5936"},"institutions":[{"id":"https://openalex.org/I4210136246","display_name":"China Telecom (China)","ror":"https://ror.org/03jgnzt20","country_code":"CN","type":"company","lineage":["https://openalex.org/I4210136246"]},{"id":"https://openalex.org/I4210155230","display_name":"Samsung (China)","ror":"https://ror.org/04yt00889","country_code":"CN","type":"company","lineage":["https://openalex.org/I2250650973","https://openalex.org/I4210155230"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bin Yu","raw_affiliation_strings":["Beijing Samsung Telecom R&D Center, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing Samsung Telecom R&D Center, China","institution_ids":["https://openalex.org/I4210136246","https://openalex.org/I4210155230"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033496412","display_name":"Pengfei Sun","orcid":"https://orcid.org/0000-0003-2407-5069"},"institutions":[{"id":"https://openalex.org/I4210136246","display_name":"China Telecom (China)","ror":"https://ror.org/03jgnzt20","country_code":"CN","type":"company","lineage":["https://openalex.org/I4210136246"]},{"id":"https://openalex.org/I4210155230","display_name":"Samsung (China)","ror":"https://ror.org/04yt00889","country_code":"CN","type":"company","lineage":["https://openalex.org/I2250650973","https://openalex.org/I4210155230"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Pengfei Sun","raw_affiliation_strings":["Beijing Samsung Telecom R&D Center, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing Samsung Telecom R&D Center, China","institution_ids":["https://openalex.org/I4210136246","https://openalex.org/I4210155230"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Fang Yuan","orcid":null},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fang Yuan","raw_affiliation_strings":["Beihang University, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beihang University, China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101677720","display_name":"Chengjun Sun","orcid":"https://orcid.org/0000-0001-6963-4819"},"institutions":[{"id":"https://openalex.org/I4210136246","display_name":"China Telecom (China)","ror":"https://ror.org/03jgnzt20","country_code":"CN","type":"company","lineage":["https://openalex.org/I4210136246"]},{"id":"https://openalex.org/I4210155230","display_name":"Samsung (China)","ror":"https://ror.org/04yt00889","country_code":"CN","type":"company","lineage":["https://openalex.org/I2250650973","https://openalex.org/I4210155230"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chengjun Sun","raw_affiliation_strings":["Beijing Samsung Telecom R&D Center, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing Samsung Telecom R&D Center, China","institution_ids":["https://openalex.org/I4210136246","https://openalex.org/I4210155230"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5087508816","display_name":"Dalin Zhu","orcid":"https://orcid.org/0000-0003-0796-2918"},"institutions":[{"id":"https://openalex.org/I4210136246","display_name":"China Telecom (China)","ror":"https://ror.org/03jgnzt20","country_code":"CN","type":"company","lineage":["https://openalex.org/I4210136246"]},{"id":"https://openalex.org/I4210155230","display_name":"Samsung (China)","ror":"https://ror.org/04yt00889","country_code":"CN","type":"company","lineage":["https://openalex.org/I2250650973","https://openalex.org/I4210155230"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Dalin Zhu","raw_affiliation_strings":["Beijing Samsung Telecom R&D Center, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing Samsung Telecom R&D Center, China","institution_ids":["https://openalex.org/I4210136246","https://openalex.org/I4210155230"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"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":null,"issue":null,"first_page":"300","last_page":"304"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":1.0,"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":1.0,"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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","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"}},{"id":"https://openalex.org/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9988999962806702,"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/beamforming","display_name":"Beamforming","score":0.7520362138748169},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7187698483467102},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.6839752793312073},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.6654585599899292},{"id":"https://openalex.org/keywords/flexibility","display_name":"Flexibility (engineering)","score":0.6044682264328003},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5734328031539917},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.49375948309898376},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.42698484659194946},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.40879642963409424},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.34210628271102905},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.310396283864975},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.14662736654281616}],"concepts":[{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.7520362138748169},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7187698483467102},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.6839752793312073},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.6654585599899292},{"id":"https://openalex.org/C2780598303","wikidata":"https://www.wikidata.org/wiki/Q65921492","display_name":"Flexibility (engineering)","level":2,"score":0.6044682264328003},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5734328031539917},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.49375948309898376},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.42698484659194946},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.40879642963409424},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.34210628271102905},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.310396283864975},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.14662736654281616},{"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/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","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/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/globalsip.2015.7418205","is_oa":false,"landing_page_url":"https://doi.org/10.1109/globalsip.2015.7418205","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE Global Conference on Signal and Information Processing (GlobalSIP)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.47999998927116394,"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1970113402","https://openalex.org/W2043053153","https://openalex.org/W2048318885","https://openalex.org/W2054692642","https://openalex.org/W2076457767","https://openalex.org/W2076582835","https://openalex.org/W2092533696","https://openalex.org/W2104074482","https://openalex.org/W2121315337","https://openalex.org/W2147601077","https://openalex.org/W6661408224","https://openalex.org/W6662667781","https://openalex.org/W6669578985"],"related_works":["https://openalex.org/W2963170046","https://openalex.org/W2376244802","https://openalex.org/W2088352174","https://openalex.org/W2113594494","https://openalex.org/W4286695888","https://openalex.org/W3084132786","https://openalex.org/W4327661444","https://openalex.org/W2034991012","https://openalex.org/W2800473611","https://openalex.org/W1967286561"],"abstract_inverted_index":{"Large":[0],"Scale":[1],"Antenna":[2],"Systems":[3],"(LSAS)":[4],"will":[5],"play":[6],"a":[7],"key":[8],"role":[9],"in":[10,27],"future":[11,106],"5G":[12],"networks,":[13],"which":[14,98],"is":[15,36],"very":[16],"sensitive":[17],"to":[18,38],"channel":[19,46,58,62,69],"state":[20],"information":[21,48],"(CSI).":[22],"To":[23],"ground":[24],"the":[25,77,86,94,103],"LSAS":[26,54],"reality,":[28],"practical":[29],"CSI":[30],"acquisition":[31,50,90],"design":[32],"with":[33],"limited":[34],"overhead":[35,87],"tasked":[37],"engineers.":[39],"In":[40],"this":[41,82],"paper,":[42],"we":[43,79],"focus":[44],"on":[45,76],"direction":[47,63,70],"(CDI)":[49],"by":[51],"feedback":[52],"for":[53,88,101],"(i.e.":[55],"assuming":[56],"no":[57],"reciprocity).":[59],"An":[60],"efficient":[61],"probing":[64,71],"scheme,":[65],"called":[66],"as":[67],"differential":[68],"(DCDP),":[72],"are":[73,99],"conceived.":[74],"Based":[75],"analysis,":[78],"conclude":[80],"that":[81],"approach":[83],"can":[84,92],"save":[85],"CDI":[89],"while":[91],"preserve":[93],"flexibility":[95],"of":[96,105],"beamforming,":[97],"crucial":[100],"realizing":[102],"potential":[104],"large":[107],"scale":[108],"antenna":[109],"systems.":[110]},"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
