{"id":"https://openalex.org/W2766085397","doi":"https://doi.org/10.1587/transcom.2017ebp3189","title":"Mitigating Pilot Contamination in Massive MIMO Using Cell Size Reduction","display_name":"Mitigating Pilot Contamination in Massive MIMO Using Cell Size Reduction","publication_year":2017,"publication_date":"2017-10-23","ids":{"openalex":"https://openalex.org/W2766085397","doi":"https://doi.org/10.1587/transcom.2017ebp3189","mag":"2766085397"},"language":"en","primary_location":{"id":"doi:10.1587/transcom.2017ebp3189","is_oa":false,"landing_page_url":"https://doi.org/10.1587/transcom.2017ebp3189","pdf_url":null,"source":{"id":"https://openalex.org/S2493627025","display_name":"IEICE Transactions on Communications","issn_l":"0916-8516","issn":["0916-8516","1745-1345"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Transactions on Communications","raw_type":"journal-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/A5082733018","display_name":"Parfait I. Tebe","orcid":"https://orcid.org/0000-0002-4291-2193"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Parfait I. TEBE","raw_affiliation_strings":["School of Communication and Information Engineering, University of Electronic Science and Technology of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Communication and Information Engineering, University of Electronic Science and Technology of China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112190078","display_name":"Yujun Kuang","orcid":null},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yujun KUANG","raw_affiliation_strings":["School of Communication and Information Engineering, University of Electronic Science and Technology of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Communication and Information Engineering, University of Electronic Science and Technology of China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Affum E. AMPOMA","orcid":null},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Affum E. AMPOMA","raw_affiliation_strings":["School of Communication and Information Engineering, University of Electronic Science and Technology of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Communication and Information Engineering, University of Electronic Science and Technology of China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5031835439","display_name":"Kwasi Adu\u2010Boahen Opare","orcid":"https://orcid.org/0000-0001-5628-5680"},"institutions":[{"id":"https://openalex.org/I28046988","display_name":"Kwame Nkrumah University of Science and Technology","ror":"https://ror.org/00cb23x68","country_code":"GH","type":"education","lineage":["https://openalex.org/I28046988"]},{"id":"https://openalex.org/I4210132509","display_name":"Kwame Nkrumah University","ror":"https://ror.org/02ykdz073","country_code":"ZM","type":"education","lineage":["https://openalex.org/I4210132509"]}],"countries":["GH","ZM"],"is_corresponding":false,"raw_author_name":"Kwasi A. OPARE","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, Kwame Nkrumah University of Science and Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, Kwame Nkrumah University of Science and Technology","institution_ids":["https://openalex.org/I4210132509","https://openalex.org/I28046988"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.7309,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.74081557,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":97},"biblio":{"volume":"E101.B","issue":"5","first_page":"1280","last_page":"1290"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9994999766349792,"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":0.9994999766349792,"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/T11392","display_name":"Energy Harvesting in Wireless Networks","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/T10069","display_name":"Antenna Design and Analysis","score":0.9990000128746033,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8522332310676575},{"id":"https://openalex.org/keywords/contamination","display_name":"Contamination","score":0.6897133588790894},{"id":"https://openalex.org/keywords/reduction","display_name":"Reduction (mathematics)","score":0.6801029443740845},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6748420000076294},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.34895753860473633},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.3325701057910919},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.07405754923820496}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8522332310676575},{"id":"https://openalex.org/C112570922","wikidata":"https://www.wikidata.org/wiki/Q60528603","display_name":"Contamination","level":2,"score":0.6897133588790894},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.6801029443740845},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6748420000076294},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.34895753860473633},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3325701057910919},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.07405754923820496},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1587/transcom.2017ebp3189","is_oa":false,"landing_page_url":"https://doi.org/10.1587/transcom.2017ebp3189","pdf_url":null,"source":{"id":"https://openalex.org/S2493627025","display_name":"IEICE Transactions on Communications","issn_l":"0916-8516","issn":["0916-8516","1745-1345"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Transactions on Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":34,"referenced_works":["https://openalex.org/W1541112668","https://openalex.org/W1907013622","https://openalex.org/W1969231017","https://openalex.org/W1971443733","https://openalex.org/W1987280012","https://openalex.org/W2023535408","https://openalex.org/W2024144578","https://openalex.org/W2026148832","https://openalex.org/W2031007827","https://openalex.org/W2036814222","https://openalex.org/W2040209771","https://openalex.org/W2042507856","https://openalex.org/W2045312961","https://openalex.org/W2088717366","https://openalex.org/W2096127572","https://openalex.org/W2111113050","https://openalex.org/W2115806178","https://openalex.org/W2120103401","https://openalex.org/W2120360319","https://openalex.org/W2121315337","https://openalex.org/W2128513990","https://openalex.org/W2128811149","https://openalex.org/W2141682101","https://openalex.org/W2145013959","https://openalex.org/W2147056723","https://openalex.org/W2147601077","https://openalex.org/W2152999056","https://openalex.org/W2156343734","https://openalex.org/W2171387626","https://openalex.org/W2218101785","https://openalex.org/W2343491855","https://openalex.org/W2419500842","https://openalex.org/W2561590882","https://openalex.org/W2963165838"],"related_works":["https://openalex.org/W4246525302","https://openalex.org/W2355749553","https://openalex.org/W2327028314","https://openalex.org/W281735054","https://openalex.org/W2565462584","https://openalex.org/W2056851638","https://openalex.org/W1999382712","https://openalex.org/W2070278412","https://openalex.org/W1502203608","https://openalex.org/W4249711192"],"abstract_inverted_index":{"In":[0,16],"this":[1],"paper,":[2],"we":[3,20],"provide":[4],"a":[5,33,47,56],"novel":[6],"solution":[7],"to":[8],"mitigate":[9],"pilot":[10,57,73,122],"contamination":[11,123],"in":[12,50,93,109],"massive":[13],"MIMO":[14],"technology.":[15],"the":[17,26,40,62,69,71,76,82,84,100,116,121,129],"proposed":[18],"approach,":[19],"consider":[21],"seven":[22],"copilot":[23],"cells":[24,31],"of":[25,29,32,46,55,68,78],"first":[27],"layer":[28],"interfering":[30],"cellular":[34],"network.":[35],"We":[36],"derive":[37],"and":[38,53,65,86,91,99,107,127],"formulate":[39],"worst-case":[41],"signal-to-interference":[42],"power":[43,98],"ratio":[44],"(SIR)":[45],"typical":[48],"user":[49],"both":[51],"downlink":[52],"uplink":[54],"contaminated":[58],"cell.":[59],"Based":[60],"on":[61],"formulated":[63,92,108],"SIR":[64],"other":[66],"considerations":[67],"system,":[70],"total":[72],"sequence":[74],"length,":[75],"reliability":[77],"channel":[79],"estimation":[80],"within":[81],"cell,":[83],"spectral":[85],"energy":[87],"efficiencies":[88],"are":[89,104],"derived":[90,106],"downlink.":[94],"The":[95],"user's":[96],"transmit":[97],"achievable":[101],"sum":[102],"rate":[103],"also":[105],"uplink.":[110],"Our":[111],"results":[112],"show":[113],"that":[114],"when":[115],"cell":[117],"size":[118],"is":[119,124,132],"reduced":[120],"significantly":[125],"mitigated":[126],"hence":[128],"system":[130],"performance":[131],"improved.":[133]},"counts_by_year":[{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":3}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}