{"id":"https://openalex.org/W2807578131","doi":"https://doi.org/10.1109/pimrc.2018.8581021","title":"On The Efficiency of Widely Linear Precoding and Symbol Extension in Cellular Uplink","display_name":"On The Efficiency of Widely Linear Precoding and Symbol Extension in Cellular Uplink","publication_year":2018,"publication_date":"2018-09-01","ids":{"openalex":"https://openalex.org/W2807578131","doi":"https://doi.org/10.1109/pimrc.2018.8581021","mag":"2807578131"},"language":"en","primary_location":{"id":"doi:10.1109/pimrc.2018.8581021","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc.2018.8581021","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 IEEE 29th Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC)","raw_type":"proceedings-article"},"type":"preprint","indexed_in":["arxiv","crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/1804.04580","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5061621761","display_name":"Ali Kariminezhad","orcid":"https://orcid.org/0000-0002-0948-6516"},"institutions":[{"id":"https://openalex.org/I904495901","display_name":"Ruhr University Bochum","ror":"https://ror.org/04tsk2644","country_code":"DE","type":"education","lineage":["https://openalex.org/I904495901"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Ali Kariminezhad","raw_affiliation_strings":["Digital Communication Systems, Ruhr University, Bochum"],"affiliations":[{"raw_affiliation_string":"Digital Communication Systems, Ruhr University, Bochum","institution_ids":["https://openalex.org/I904495901"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046230899","display_name":"Stefan Roth","orcid":"https://orcid.org/0000-0003-4408-3306"},"institutions":[{"id":"https://openalex.org/I904495901","display_name":"Ruhr University Bochum","ror":"https://ror.org/04tsk2644","country_code":"DE","type":"education","lineage":["https://openalex.org/I904495901"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Stefan Roth","raw_affiliation_strings":["Digital Communication Systems, Ruhr University, Bochum"],"affiliations":[{"raw_affiliation_string":"Digital Communication Systems, Ruhr University, Bochum","institution_ids":["https://openalex.org/I904495901"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034269994","display_name":"Aydin Sezgin","orcid":"https://orcid.org/0000-0003-3511-2662"},"institutions":[{"id":"https://openalex.org/I904495901","display_name":"Ruhr University Bochum","ror":"https://ror.org/04tsk2644","country_code":"DE","type":"education","lineage":["https://openalex.org/I904495901"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Aydin Sezgin","raw_affiliation_strings":["Digital Communication Systems, Ruhr University, Bochum"],"affiliations":[{"raw_affiliation_string":"Digital Communication Systems, Ruhr University, Bochum","institution_ids":["https://openalex.org/I904495901"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5044765621","display_name":"Anas Chaaban","orcid":"https://orcid.org/0000-0002-8713-5084"},"institutions":[{"id":"https://openalex.org/I141945490","display_name":"University of British Columbia","ror":"https://ror.org/03rmrcq20","country_code":"CA","type":"education","lineage":["https://openalex.org/I141945490"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Anas Chaaban","raw_affiliation_strings":["School of Engineering, University of British Columbia","School of Engineering, University of British, Columbia"],"affiliations":[{"raw_affiliation_string":"School of Engineering, University of British Columbia","institution_ids":["https://openalex.org/I141945490"]},{"raw_affiliation_string":"School of Engineering, University of British, Columbia","institution_ids":["https://openalex.org/I141945490"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5061621761"],"corresponding_institution_ids":["https://openalex.org/I904495901"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.05262599,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"abs 1604 2234","issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","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"}},"topics":[{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","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/T11946","display_name":"Antenna Design and Optimization","score":0.9976999759674072,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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":0.9958000183105469,"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":0.6952388286590576},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.6910984516143799},{"id":"https://openalex.org/keywords/gaussian","display_name":"Gaussian","score":0.6253811120986938},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.560300350189209},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.555321216583252},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.5166400074958801},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.48936527967453003},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.45006078481674194},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.39238253235816956},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3880297541618347},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.37772783637046814},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.35584789514541626},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.35494276881217957},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2608117461204529},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.22217515110969543},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.11580729484558105},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.1122789978981018}],"concepts":[{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.6952388286590576},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.6910984516143799},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.6253811120986938},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.560300350189209},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.555321216583252},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.5166400074958801},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.48936527967453003},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.45006078481674194},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.39238253235816956},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3880297541618347},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.37772783637046814},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.35584789514541626},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.35494276881217957},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2608117461204529},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.22217515110969543},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.11580729484558105},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1122789978981018},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1109/pimrc.2018.8581021","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc.2018.8581021","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 IEEE 29th Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC)","raw_type":"proceedings-article"},{"id":"pmh:oai:arXiv.org:1804.04580","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1804.04580","pdf_url":"https://arxiv.org/pdf/1804.04580","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"doi:10.48550/arxiv.1804.04580","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.1804.04580","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article"},{"id":"mag:2807578131","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":null}],"best_oa_location":{"id":"pmh:oai:arXiv.org:1804.04580","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1804.04580","pdf_url":"https://arxiv.org/pdf/1804.04580","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions","score":0.4000000059604645}],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2807578131.pdf","grobid_xml":"https://content.openalex.org/works/W2807578131.grobid-xml"},"referenced_works_count":10,"referenced_works":["https://openalex.org/W1979408141","https://openalex.org/W1996124484","https://openalex.org/W2068121581","https://openalex.org/W2124183034","https://openalex.org/W2124338065","https://openalex.org/W2130509920","https://openalex.org/W2136180028","https://openalex.org/W2550078853","https://openalex.org/W2739902939","https://openalex.org/W2767200257"],"related_works":["https://openalex.org/W3049465408","https://openalex.org/W2738829458","https://openalex.org/W2807441250","https://openalex.org/W3113922747","https://openalex.org/W2947811897","https://openalex.org/W2963189283","https://openalex.org/W2146445714","https://openalex.org/W3101675433","https://openalex.org/W2615744362","https://openalex.org/W1894748888","https://openalex.org/W2981706253","https://openalex.org/W2016003179","https://openalex.org/W2608827279","https://openalex.org/W3191089146","https://openalex.org/W1590480603","https://openalex.org/W2885494359","https://openalex.org/W1495765869","https://openalex.org/W3011052892","https://openalex.org/W2944868263","https://openalex.org/W2917589883"],"abstract_inverted_index":{"We":[0,98],"investigate":[1],"Gaussian":[2,9,43,86,130,157,162],"widely":[3,61],"linear":[4,51,62],"precoding":[5],"known":[6,18],"as":[7,19],"improper":[8,129,156],"signaling":[10,87,131,158,163],"for":[11,53,138,175],"the":[12,35,41,58,73,89,95,100,126,153,172],"cellular":[13],"uplink":[14],"with":[15],"inter-cell":[16],"interference,":[17],"interference":[20,151],"multiple":[21,65],"access":[22],"channel":[23],"(IMAC).":[24],"This":[25,75,107],"transmission":[26,96],"scheme":[27,76],"provides":[28],"extra":[29,92],"degrees":[30],"of":[31,40,60,91,112,128,155],"freedom":[32],"by":[33],"treating":[34],"real":[36],"and":[37,141],"imaginary":[38],"components":[39],"complex":[42],"signal":[44],"differently.":[45],"Since":[46],"current":[47],"standards":[48],"mainly":[49],"utilize":[50],"beamforming":[52,63],"waveform":[54],"generation,":[55],"we":[56,124,146],"highlight":[57],"benefits":[59,127],"over":[64],"temporal":[66],"dimensions":[67],"(symbol":[68],"extension":[69,134],"in":[70,72,135,169],"time)":[71],"IMAC.":[74],"achieves":[77],"significantly":[78,181],"higher":[79],"information":[80],"rates":[81],"compared":[82],"to":[83],"conventional":[84,160],"proper":[85,161],"at":[88,94,149,164],"expense":[90],"complexity":[93],"phase.":[97],"study":[99],"sum-power":[101,173],"minimization":[102],"problem":[103,108],"under":[104],"rate":[105,166,178],"constraints.":[106],"is":[109,180],"a":[110,118],"difference":[111],"concave":[113],"functions":[114],"(DC)":[115],"program,":[116],"hence,":[117],"non-convex":[119],"problem.":[120],"By":[121],"numerical":[122],"simulations,":[123],"observe":[125,147],"alongside":[132],"symbol":[133],"power":[136],"consumption":[137],"both":[139],"single-antenna":[140],"multi-antenna":[142],"base":[143],"stations.":[144],"Interestingly,":[145],"that":[148],"strong":[150],"scenarios,":[152],"efficiency":[154],"outperforms":[159],"low":[165],"demands.":[167],"Moreover,":[168],"such":[170],"scenarios":[171],"required":[174],"achieving":[176],"particular":[177],"demands":[179],"reduced.":[182]},"counts_by_year":[],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2025-10-10T00:00:00"}