{"id":"https://openalex.org/W7140818696","doi":"https://doi.org/10.1109/ieeeconf67917.2025.11443821","title":"Joint Impact of ADC and Fronthaul Quantization in Cell-Free Massive MIMO-OFDM Uplink","display_name":"Joint Impact of ADC and Fronthaul Quantization in Cell-Free Massive MIMO-OFDM Uplink","publication_year":2025,"publication_date":"2025-10-26","ids":{"openalex":"https://openalex.org/W7140818696","doi":"https://doi.org/10.1109/ieeeconf67917.2025.11443821"},"language":null,"primary_location":{"id":"doi:10.1109/ieeeconf67917.2025.11443821","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ieeeconf67917.2025.11443821","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 59th Asilomar Conference on Signals, Systems, and Computers","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/A5122556022","display_name":"\u00d6zlem Tu\u011ffe Demir","orcid":null},"institutions":[{"id":"https://openalex.org/I168864056","display_name":"Bilkent University","ror":"https://ror.org/02vh8a032","country_code":"TR","type":"education","lineage":["https://openalex.org/I168864056"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"\u00d6zlem Tu\u011ffe Demir","raw_affiliation_strings":["Bilkent University,Department of Electrical and Electronics Engineering,Ankara,Turkiye"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Bilkent University,Department of Electrical and Electronics Engineering,Ankara,Turkiye","institution_ids":["https://openalex.org/I168864056"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5130682542","display_name":"Emil Bj\u00f6rnson","orcid":null},"institutions":[{"id":"https://openalex.org/I86987016","display_name":"KTH Royal Institute of Technology","ror":"https://ror.org/026vcq606","country_code":"SE","type":"education","lineage":["https://openalex.org/I86987016"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Emil Bj\u00f6rnson","raw_affiliation_strings":["KTH Royal Institute of Technology,Department of Communication Systems,Stockholm,Sweden"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"KTH Royal Institute of Technology,Department of Communication Systems,Stockholm,Sweden","institution_ids":["https://openalex.org/I86987016"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"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":"577","last_page":"581"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11873","display_name":"PAPR reduction in OFDM","score":0.3361999988555908,"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/T11873","display_name":"PAPR reduction in OFDM","score":0.3361999988555908,"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/T10767","display_name":"Advanced Photonic Communication Systems","score":0.13590000569820404,"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":0.12470000237226486,"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/joint","display_name":"Joint (building)","score":0.6162999868392944},{"id":"https://openalex.org/keywords/quantization","display_name":"Quantization (signal processing)","score":0.5972999930381775},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.5177000164985657},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.311599999666214},{"id":"https://openalex.org/keywords/time-division-multiplexing","display_name":"Time-division multiplexing","score":0.28929999470710754}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6394000053405762},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.6162999868392944},{"id":"https://openalex.org/C28855332","wikidata":"https://www.wikidata.org/wiki/Q198099","display_name":"Quantization (signal processing)","level":2,"score":0.5972999930381775},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.5177000164985657},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.47940000891685486},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.311599999666214},{"id":"https://openalex.org/C50661577","wikidata":"https://www.wikidata.org/wiki/Q901831","display_name":"Time-division multiplexing","level":3,"score":0.28929999470710754},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.2711000144481659},{"id":"https://openalex.org/C60154766","wikidata":"https://www.wikidata.org/wiki/Q2650458","display_name":"Successive approximation ADC","level":4,"score":0.2621000111103058},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.25619998574256897}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ieeeconf67917.2025.11443821","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ieeeconf67917.2025.11443821","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 59th Asilomar Conference on Signals, Systems, and Computers","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W2163363194","https://openalex.org/W2286275639","https://openalex.org/W2922989912","https://openalex.org/W2962123958","https://openalex.org/W2985994751","https://openalex.org/W3037639361","https://openalex.org/W3188358066","https://openalex.org/W4390961667","https://openalex.org/W4396753526","https://openalex.org/W4413680197"],"related_works":[],"abstract_inverted_index":{"In":[0],"the":[1,16,26,31,38,49,60,69,79,93,135,139,152,169],"uplink":[2,191],"of":[3,34,104],"a":[4,102,144],"cell-free":[5,126,195],"massive":[6,127],"MIMO":[7,128],"system,":[8],"quantization":[9,33,51,73,110,157],"affects":[10],"performance":[11],"in":[12,52,59,116,122,147,193],"two":[13],"key":[14],"domains:":[15],"time-domain":[17,171],"distortion":[18,141],"introduced":[19],"by":[20,137],"finite-resolution":[21],"analog-to-digital":[22],"converters":[23],"(ADCs)":[24],"at":[25,81],"access":[27],"points":[28],"(APs),":[29],"and":[30,63,88,142,177],"fronthaul":[32,86,145,175],"signals":[35,80],"sent":[36],"to":[37,68,78,155,174],"central":[39],"processing":[40],"unit":[41],"(CPU).":[42],"Although":[43],"quantizing":[44],"twice":[45],"may":[46],"seem":[47],"redundant,":[48],"ADC":[50,94],"orthogonal":[53],"frequency-division":[54],"duplex":[55],"(OFDM)":[56],"systems":[57],"appears":[58],"time":[61],"domain,":[62,71],"one":[64],"must":[65],"then":[66],"convert":[67],"frequency":[70],"where":[72],"can":[74],"be":[75],"applied":[76],"only":[77,101],"active":[82],"subcarriers.":[83],"This":[84,132],"reduces":[85],"load":[87],"avoids":[89],"unnecessary":[90],"distortion,":[91],"since":[92],"output":[95],"spans":[96],"all":[97],"OFDM":[98],"samples":[99],"while":[100],"subset":[103],"subcarriers":[105],"carries":[106],"useful":[107],"information.While":[108],"both":[109],"effects":[111],"have":[112],"been":[113],"extensively":[114],"studied":[115],"narrowband":[117],"systems,":[118],"their":[119],"joint":[120,140],"impact":[121],"practical":[123],"wide-band":[124],"OFDM-based":[125],"remains":[129],"largely":[130],"unexplored.":[131],"paper":[133],"addresses":[134],"gap":[136],"modeling":[138],"proposing":[143],"strategy":[146],"which":[148],"each":[149],"AP":[150],"processes":[151],"received":[153],"signal":[154,172],"reduce":[156],"artifacts":[158],"before":[159],"transmission.":[160],"We":[161],"develop":[162],"an":[163],"efficient":[164],"estimation":[165],"algorithm":[166],"that":[167],"reconstructs":[168],"unquantized":[170],"prior":[173],"transmission":[176,192],"evaluate":[178],"its":[179],"effectiveness.":[180],"The":[181],"proposed":[182],"design":[183],"offers":[184],"new":[185],"insights":[186],"for":[187],"implementing":[188],"efficient,":[189],"quantization-aware":[190],"wideband":[194],"architectures.":[196]},"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2026-03-27T00:00:00"}