{"id":"https://openalex.org/W4415366724","doi":"https://doi.org/10.1109/isit63088.2025.11195261","title":"Robust Precoding and Rate-Splitting Multiple Access for FDD Massive MIMO Without CSI Feedback","display_name":"Robust Precoding and Rate-Splitting Multiple Access for FDD Massive MIMO Without CSI Feedback","publication_year":2025,"publication_date":"2025-06-22","ids":{"openalex":"https://openalex.org/W4415366724","doi":"https://doi.org/10.1109/isit63088.2025.11195261"},"language":null,"primary_location":{"id":"doi:10.1109/isit63088.2025.11195261","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit63088.2025.11195261","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE International Symposium on Information Theory (ISIT)","raw_type":"proceedings-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/A5110949095","display_name":"Namhyun Kim","orcid":null},"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":true,"raw_author_name":"Namhyun Kim","raw_affiliation_strings":["School of Electrical and Electronic Engineering, Yonsei University,Seoul,South Korea"],"affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, Yonsei University,Seoul,South Korea","institution_ids":["https://openalex.org/I193775966"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5080663906","display_name":"Jeonghun Park","orcid":"https://orcid.org/0000-0003-0789-8012"},"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":"Jeonghun Park","raw_affiliation_strings":["School of Electrical and Electronic Engineering, Yonsei University,Seoul,South Korea"],"affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, Yonsei University,Seoul,South Korea","institution_ids":["https://openalex.org/I193775966"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5110949095"],"corresponding_institution_ids":["https://openalex.org/I193775966"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.31829814,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9995999932289124,"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":0.9987000226974487,"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/precoding","display_name":"Precoding","score":0.8209999799728394},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.8033000230789185},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.6940000057220459},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6168000102043152},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.5807999968528748},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.5623999834060669},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5540000200271606},{"id":"https://openalex.org/keywords/duplex","display_name":"Duplex (building)","score":0.5320000052452087},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.47909998893737793}],"concepts":[{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.8209999799728394},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.8033000230789185},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.6940000057220459},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6934999823570251},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6168000102043152},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.5807999968528748},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.5623999834060669},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5540000200271606},{"id":"https://openalex.org/C99611785","wikidata":"https://www.wikidata.org/wiki/Q6453233","display_name":"Duplex (building)","level":3,"score":0.5320000052452087},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.47909998893737793},{"id":"https://openalex.org/C122770356","wikidata":"https://www.wikidata.org/wiki/Q1656753","display_name":"Identifiability","level":2,"score":0.4666999876499176},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.4569000005722046},{"id":"https://openalex.org/C185142706","wikidata":"https://www.wikidata.org/wiki/Q1134404","display_name":"Covariance matrix","level":2,"score":0.4447000026702881},{"id":"https://openalex.org/C178650346","wikidata":"https://www.wikidata.org/wiki/Q201984","display_name":"Covariance","level":2,"score":0.42800000309944153},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3935999870300293},{"id":"https://openalex.org/C155437304","wikidata":"https://www.wikidata.org/wiki/Q8069444","display_name":"Zero-forcing precoding","level":5,"score":0.37630000710487366},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.36410000920295715},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.3594000041484833},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.3499999940395355},{"id":"https://openalex.org/C2775918612","wikidata":"https://www.wikidata.org/wiki/Q994794","display_name":"Noma","level":3,"score":0.3190999925136566},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.2759000062942505},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.2687000036239624},{"id":"https://openalex.org/C3020402766","wikidata":"https://www.wikidata.org/wiki/Q104376712","display_name":"Prior information","level":2,"score":0.2578999996185303},{"id":"https://openalex.org/C2985963534","wikidata":"https://www.wikidata.org/wiki/Q7603704","display_name":"State information","level":3,"score":0.2533999979496002},{"id":"https://openalex.org/C122044880","wikidata":"https://www.wikidata.org/wiki/Q5498822","display_name":"Ergodic theory","level":2,"score":0.2531999945640564},{"id":"https://openalex.org/C29406490","wikidata":"https://www.wikidata.org/wiki/Q1420659","display_name":"Fisher information","level":2,"score":0.25049999356269836}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/isit63088.2025.11195261","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit63088.2025.11195261","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE International Symposium on Information Theory (ISIT)","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":17,"referenced_works":["https://openalex.org/W1972860708","https://openalex.org/W2076457767","https://openalex.org/W2120549790","https://openalex.org/W2139961842","https://openalex.org/W2147601077","https://openalex.org/W2163762663","https://openalex.org/W2488265751","https://openalex.org/W2963114949","https://openalex.org/W2974939732","https://openalex.org/W3002828819","https://openalex.org/W3013594094","https://openalex.org/W3014030863","https://openalex.org/W3122709416","https://openalex.org/W3194819463","https://openalex.org/W4387415183","https://openalex.org/W4401113561","https://openalex.org/W4406754639"],"related_works":[],"abstract_inverted_index":{"The":[0,115],"overhead":[1],"of":[2,47,121,129],"acquiring":[3],"downlink":[4],"(DL)":[5],"channel":[6,48,85],"state":[7],"information":[8,101],"at":[9],"the":[10,61,75,83,119,122,126],"transmitter":[11],"(CSIT)":[12],"poses":[13],"a":[14,32,107],"significant":[15],"challenge":[16],"for":[17],"frequency":[18,45],"division":[19],"duplex":[20],"(FDD)":[21],"massive":[22,143],"multipleinput":[23],"multiple-output":[24],"(MIMO)":[25],"systems.":[26],"To":[27,70],"address":[28,71],"this,":[29,72],"we":[30,73,92],"propose":[31,93],"framework":[33],"that":[34],"reconstructs":[35],"DL":[36,64],"CSIT":[37],"solely":[38],"from":[39],"uplink":[40],"(UL)":[41],"pilots,":[42],"leveraging":[43],"partial":[44],"invariance":[46],"parameters.":[49],"However,":[50],"since":[51],"perfect":[52],"reconstruction":[53],"is":[54],"infeasible":[55],"due":[56],"to":[57],"inherent":[58],"discrepancies":[59],"between":[60],"UL":[62],"and":[63,86,102,135],"bands,":[65],"multi-user":[66],"interference":[67],"(MUI)":[68],"arises.":[69],"formulate":[74],"ergodic":[76],"sum":[77],"spectral":[78],"efficiency":[79],"(SE)":[80],"by":[81],"incorporating":[82],"estimated":[84],"error":[87],"covariance":[88],"matrix":[89],"(ECM).":[90],"Additionally,":[91],"an":[94],"ECM":[95,130],"estimation":[96,131],"technique":[97],"using":[98],"observed":[99],"Fisher":[100],"enhance":[103],"system":[104],"performance":[105],"with":[106],"rate-splitting":[108],"multiple":[109],"access":[110],"(RSMA)":[111],"precoder":[112],"optimization":[113],"design.":[114],"simulation":[116],"results":[117],"validate":[118],"effectiveness":[120],"proposed":[123],"framework,":[124],"demonstrating":[125],"critical":[127],"role":[128],"in":[132,140],"mitigating":[133],"MUI":[134],"providing":[136],"robust":[137],"SE":[138],"gains":[139],"practical":[141],"FDD-based":[142],"MIMO":[144],"scenarios.":[145]},"counts_by_year":[],"updated_date":"2026-03-07T16:01:11.037858","created_date":"2025-10-21T00:00:00"}