{"id":"https://openalex.org/W3209163177","doi":"https://doi.org/10.1109/pimrc50174.2021.9569627","title":"Quantized vs. Analog Channel Feedback for FDD Massive MIMO Systems with Multiple-Antenna Users","display_name":"Quantized vs. Analog Channel Feedback for FDD Massive MIMO Systems with Multiple-Antenna Users","publication_year":2021,"publication_date":"2021-09-13","ids":{"openalex":"https://openalex.org/W3209163177","doi":"https://doi.org/10.1109/pimrc50174.2021.9569627","mag":"3209163177"},"language":"en","primary_location":{"id":"doi:10.1109/pimrc50174.2021.9569627","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc50174.2021.9569627","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE 32nd Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC)","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/A5023391880","display_name":"Mahmoud AlaaEldin","orcid":"https://orcid.org/0000-0001-8180-1907"},"institutions":[{"id":"https://openalex.org/I28407311","display_name":"University of Manchester","ror":"https://ror.org/027m9bs27","country_code":"GB","type":"education","lineage":["https://openalex.org/I28407311"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Mahmoud AlaaEldin","raw_affiliation_strings":["University of Manchester,Electrical and Electronic Engineering Department,Manchester,UK,M13 9PL"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Manchester,Electrical and Electronic Engineering Department,Manchester,UK,M13 9PL","institution_ids":["https://openalex.org/I28407311"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002248410","display_name":"Emad Alsusa","orcid":"https://orcid.org/0000-0002-7724-2636"},"institutions":[{"id":"https://openalex.org/I28407311","display_name":"University of Manchester","ror":"https://ror.org/027m9bs27","country_code":"GB","type":"education","lineage":["https://openalex.org/I28407311"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Emad Alsusa","raw_affiliation_strings":["University of Manchester,Electrical and Electronic Engineering Department,Manchester,UK,M13 9PL"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Manchester,Electrical and Electronic Engineering Department,Manchester,UK,M13 9PL","institution_ids":["https://openalex.org/I28407311"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5055400388","display_name":"Karim G. Seddik","orcid":"https://orcid.org/0000-0002-2279-592X"},"institutions":[{"id":"https://openalex.org/I80693520","display_name":"American University in Cairo","ror":"https://ror.org/0176yqn58","country_code":"EG","type":"education","lineage":["https://openalex.org/I80693520"]}],"countries":["EG"],"is_corresponding":false,"raw_author_name":"Karim G. Seddik","raw_affiliation_strings":["American University in Cairo,Department of Electronics and Communications Engineering,Cairo,Egypt,11835"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"American University in Cairo,Department of Electronics and Communications Engineering,Cairo,Egypt,11835","institution_ids":["https://openalex.org/I80693520"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.4069,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.51082004,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"684","last_page":"690"},"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/T10125","display_name":"Advanced Wireless Communication Techniques","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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9994999766349792,"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/mimo","display_name":"MIMO","score":0.765955924987793},{"id":"https://openalex.org/keywords/3g-mimo","display_name":"3G MIMO","score":0.596314013004303},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.559440016746521},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.5443278551101685},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5212864875793457},{"id":"https://openalex.org/keywords/multi-user-mimo","display_name":"Multi-user MIMO","score":0.4578157961368561},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4547533094882965},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.4059240221977234},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.3914618492126465},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.18606993556022644},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.06807997822761536}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.765955924987793},{"id":"https://openalex.org/C165650700","wikidata":"https://www.wikidata.org/wiki/Q4636347","display_name":"3G MIMO","level":4,"score":0.596314013004303},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.559440016746521},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.5443278551101685},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5212864875793457},{"id":"https://openalex.org/C91330434","wikidata":"https://www.wikidata.org/wiki/Q738298","display_name":"Multi-user MIMO","level":4,"score":0.4578157961368561},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4547533094882965},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.4059240221977234},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.3914618492126465},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.18606993556022644},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.06807997822761536},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/pimrc50174.2021.9569627","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc50174.2021.9569627","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE 32nd Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC)","raw_type":"proceedings-article"},{"id":"pmh:oai:pure.atira.dk:publications/778c158b-3514-4639-80db-3c55cca6f3b3","is_oa":false,"landing_page_url":"https://research.manchester.ac.uk/en/publications/778c158b-3514-4639-80db-3c55cca6f3b3","pdf_url":null,"source":{"id":"https://openalex.org/S4306400662","display_name":"Research Explorer (The University of Manchester)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I28407311","host_organization_name":"University of Manchester","host_organization_lineage":["https://openalex.org/I28407311"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Alaaeldin, M, Alsusa, E & Seddik, K G 2021, Quantized vs. Analog Channel Feedback for FDD Massive MIMO Systems with Multiple-Antenna Users. in 2021 IEEE 32nd Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC). IEEE, Helsinki, Finland. https://doi.org/10.1109/PIMRC50174.2021.9569627","raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W1938636034","https://openalex.org/W1966907097","https://openalex.org/W2023535408","https://openalex.org/W2098126478","https://openalex.org/W2113638573","https://openalex.org/W2120103401","https://openalex.org/W2122467544","https://openalex.org/W2128513990","https://openalex.org/W2132818688","https://openalex.org/W2161515500","https://openalex.org/W2164290759","https://openalex.org/W2189272674","https://openalex.org/W2530877707","https://openalex.org/W2604698298","https://openalex.org/W2792035414","https://openalex.org/W2886124254","https://openalex.org/W2916879266","https://openalex.org/W3106282754"],"related_works":["https://openalex.org/W4200145345","https://openalex.org/W2545343974","https://openalex.org/W1561113522","https://openalex.org/W1996130034","https://openalex.org/W1987031311","https://openalex.org/W2038397443","https://openalex.org/W2182661536","https://openalex.org/W1495906304","https://openalex.org/W1520753245","https://openalex.org/W1988884148"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3,19,104],"consider":[4,105,116],"the":[5,16,25,28,31,37,55,59,62,80,92,111,120,123,131,137,144,156,161,169,174,183],"problem":[6],"of":[7,27,39,61,182],"channel":[8,33,66,85,89,97,163],"feedback":[9,34,76,86,98,139,164],"in":[10,143],"massive":[11],"multiple-input-multiple-output":[12],"(MIMO)":[13],"systems.":[14],"For":[15],"downlink":[17,108],"scenario,":[18],"present":[20],"a":[21,100,179],"detailed":[22],"comparison":[23],"between":[24,58],"performance":[26,46],"quantized":[29,84,162,175],"and":[30,70,87,122,196],"analog":[32,88,138],"schemes":[35],"for":[36,74,96,99],"case":[38],"having":[40],"multiple":[41,157],"antenna":[42],"users.":[43],"Both":[44],"schemes\u2019":[45],"is":[47],"evaluated":[48],"by":[49],"deriving":[50],"an":[51],"upper":[52],"bound":[53],"on":[54],"rate":[56,60],"gap":[57],"system":[63],"with":[64,71],"perfect":[65],"state":[67],"information":[68],"(CSI)":[69],"imperfect":[72],"CSI":[73,176],"both":[75],"schemes.":[77],"We":[78],"compare":[79],"two":[81,106],"schemes,":[82],"namely,":[83],"feedback,":[90],"under":[91],"same":[93],"resources":[94],"allocated":[95],"fair":[101],"comparison.":[102],"Moreover,":[103],"different":[107],"transmission":[109],"schemes;":[110],"first":[112],"one":[113,125],"does":[114,126],"not":[115],"power":[117,127,153],"allocation":[118,128,154],"across":[119,130,155],"streams":[121],"second":[124],"(water-filling)":[129],"streams.":[132,159],"Our":[133],"results":[134,188],"show":[135],"that":[136],"scheme":[140,165],"performs":[141,166],"better":[142,167,180],"low":[145],"signal":[146],"to":[147,191],"noise":[148],"(SNR)":[149],"region":[150],"when":[151],"performing":[152],"data":[158],"However,":[160],"at":[168],"high":[170],"SNR":[171],"region,":[172],"where":[173],"can":[177],"provide":[178],"approximation":[181],"actual":[184],"CSI.":[185],"Finally,":[186],"simulation":[187],"are":[189],"presented":[190],"verify":[192],"our":[193,198],"theoretical":[194],"analysis":[195],"demonstrate":[197],"conclusions.":[199]},"counts_by_year":[{"year":2024,"cited_by_count":1}],"updated_date":"2026-08-26T07:47:46.906454","created_date":"2025-10-10T00:00:00"}
