{"id":"https://openalex.org/W2998449886","doi":"https://doi.org/10.1109/icct46805.2019.8947065","title":"A Low-Complexity and High-Efficient Pilot Allocation Scheme Based on User Grouping in Massive MIMO System","display_name":"A Low-Complexity and High-Efficient Pilot Allocation Scheme Based on User Grouping in Massive MIMO System","publication_year":2019,"publication_date":"2019-10-01","ids":{"openalex":"https://openalex.org/W2998449886","doi":"https://doi.org/10.1109/icct46805.2019.8947065","mag":"2998449886"},"language":"en","primary_location":{"id":"doi:10.1109/icct46805.2019.8947065","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icct46805.2019.8947065","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE 19th International Conference on Communication Technology (ICCT)","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":null,"display_name":"Xinying Zhao","orcid":null},"institutions":[{"id":"https://openalex.org/I143868143","display_name":"Anhui University","ror":"https://ror.org/05th6yx34","country_code":"CN","type":"education","lineage":["https://openalex.org/I143868143"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Xinying Zhao","raw_affiliation_strings":["Key Laboratory of Intelligent Computing and Signal Processing of Ministry of Education, Anhui University, Hefei, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Intelligent Computing and Signal Processing of Ministry of Education, Anhui University, Hefei, China","institution_ids":["https://openalex.org/I143868143"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061095311","display_name":"Yijing Yao","orcid":"https://orcid.org/0000-0002-6610-8888"},"institutions":[{"id":"https://openalex.org/I143868143","display_name":"Anhui University","ror":"https://ror.org/05th6yx34","country_code":"CN","type":"education","lineage":["https://openalex.org/I143868143"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yijing Yao","raw_affiliation_strings":["Key Laboratory of Intelligent Computing and Signal Processing of Ministry of Education, Anhui University, Hefei, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Intelligent Computing and Signal Processing of Ministry of Education, Anhui University, Hefei, China","institution_ids":["https://openalex.org/I143868143"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050998556","display_name":"Lei Xu","orcid":"https://orcid.org/0000-0001-7026-9310"},"institutions":[{"id":"https://openalex.org/I143868143","display_name":"Anhui University","ror":"https://ror.org/05th6yx34","country_code":"CN","type":"education","lineage":["https://openalex.org/I143868143"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lei Xu","raw_affiliation_strings":["Key Laboratory of Intelligent Computing and Signal Processing of Ministry of Education, Anhui University, Hefei, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Intelligent Computing and Signal Processing of Ministry of Education, Anhui University, Hefei, China","institution_ids":["https://openalex.org/I143868143"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5107908703","display_name":"Hongyu Fang","orcid":null},"institutions":[{"id":"https://openalex.org/I143868143","display_name":"Anhui University","ror":"https://ror.org/05th6yx34","country_code":"CN","type":"education","lineage":["https://openalex.org/I143868143"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hongyu Fang","raw_affiliation_strings":["Key Laboratory of Intelligent Computing and Signal Processing of Ministry of Education, Anhui University, Hefei, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Intelligent Computing and Signal Processing of Ministry of Education, Anhui University, Hefei, China","institution_ids":["https://openalex.org/I143868143"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039183001","display_name":"Hongwei Zhang","orcid":"https://orcid.org/0000-0002-1636-2204"},"institutions":[{"id":"https://openalex.org/I143868143","display_name":"Anhui University","ror":"https://ror.org/05th6yx34","country_code":"CN","type":"education","lineage":["https://openalex.org/I143868143"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hongwei Zhang","raw_affiliation_strings":["Key Laboratory of Intelligent Computing and Signal Processing of Ministry of Education, Anhui University, Hefei, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Intelligent Computing and Signal Processing of Ministry of Education, Anhui University, Hefei, China","institution_ids":["https://openalex.org/I143868143"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5022510153","display_name":"Xiaohui Li","orcid":"https://orcid.org/0000-0003-3036-7105"},"institutions":[{"id":"https://openalex.org/I143868143","display_name":"Anhui University","ror":"https://ror.org/05th6yx34","country_code":"CN","type":"education","lineage":["https://openalex.org/I143868143"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaohui Li","raw_affiliation_strings":["Key Laboratory of Intelligent Computing and Signal Processing of Ministry of Education, Anhui University, Hefei, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Intelligent Computing and Signal Processing of Ministry of Education, Anhui University, Hefei, China","institution_ids":["https://openalex.org/I143868143"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I143868143"],"apc_list":null,"apc_paid":null,"fwci":0.121,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.50044107,"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":"658","last_page":"663"},"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9975000023841858,"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"}},{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9868999719619751,"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/computer-science","display_name":"Computer science","score":0.7239102721214294},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.703140139579773},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.680191695690155},{"id":"https://openalex.org/keywords/quality-of-service","display_name":"Quality of service","score":0.5557780861854553},{"id":"https://openalex.org/keywords/resource-allocation","display_name":"Resource allocation","score":0.5399749875068665},{"id":"https://openalex.org/keywords/matching","display_name":"Matching (statistics)","score":0.5395118594169617},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.49051064252853394},{"id":"https://openalex.org/keywords/hungarian-algorithm","display_name":"Hungarian algorithm","score":0.46240976452827454},{"id":"https://openalex.org/keywords/blossom-algorithm","display_name":"Blossom algorithm","score":0.41154801845550537},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.37135523557662964},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3574380874633789},{"id":"https://openalex.org/keywords/assignment-problem","display_name":"Assignment problem","score":0.11475643515586853},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.08739155530929565}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7239102721214294},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.703140139579773},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.680191695690155},{"id":"https://openalex.org/C5119721","wikidata":"https://www.wikidata.org/wiki/Q220501","display_name":"Quality of service","level":2,"score":0.5557780861854553},{"id":"https://openalex.org/C29202148","wikidata":"https://www.wikidata.org/wiki/Q287260","display_name":"Resource allocation","level":2,"score":0.5399749875068665},{"id":"https://openalex.org/C165064840","wikidata":"https://www.wikidata.org/wiki/Q1321061","display_name":"Matching (statistics)","level":2,"score":0.5395118594169617},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.49051064252853394},{"id":"https://openalex.org/C21785340","wikidata":"https://www.wikidata.org/wiki/Q281922","display_name":"Hungarian algorithm","level":3,"score":0.46240976452827454},{"id":"https://openalex.org/C61455927","wikidata":"https://www.wikidata.org/wiki/Q1030529","display_name":"Blossom algorithm","level":3,"score":0.41154801845550537},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.37135523557662964},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3574380874633789},{"id":"https://openalex.org/C85044808","wikidata":"https://www.wikidata.org/wiki/Q620614","display_name":"Assignment problem","level":2,"score":0.11475643515586853},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.08739155530929565},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icct46805.2019.8947065","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icct46805.2019.8947065","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE 19th International Conference on Communication Technology (ICCT)","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":21,"referenced_works":["https://openalex.org/W1986586714","https://openalex.org/W2023535408","https://openalex.org/W2030497423","https://openalex.org/W2033407996","https://openalex.org/W2069844710","https://openalex.org/W2128513990","https://openalex.org/W2138673783","https://openalex.org/W2141682101","https://openalex.org/W2147601077","https://openalex.org/W2198693549","https://openalex.org/W2291881344","https://openalex.org/W2408034629","https://openalex.org/W2552905182","https://openalex.org/W2592332461","https://openalex.org/W2782968070","https://openalex.org/W2787376805","https://openalex.org/W2910191922","https://openalex.org/W2963151934","https://openalex.org/W2964188550","https://openalex.org/W3106282754","https://openalex.org/W4249757966"],"related_works":["https://openalex.org/W2548963335","https://openalex.org/W2907156721","https://openalex.org/W3202113264","https://openalex.org/W2011847929","https://openalex.org/W1964772317","https://openalex.org/W2136468415","https://openalex.org/W2091878123","https://openalex.org/W1519280321","https://openalex.org/W2159790697","https://openalex.org/W2726339200"],"abstract_inverted_index":{"Pilot":[0],"allocation":[1,71,116,138,142,150,160],"is":[2,23,77,118],"one":[3],"of":[4,20,31,38,42,54,64,111,124,165],"the":[5,26,36,46,51,61,81,84,97,109,122,125,135,140,148,157,162,166],"effective":[6],"means":[7],"to":[8,24,101,120],"reduce":[9],"pilot":[10,65,70,115,137,141,149,159],"pollution":[11],"in":[12,83,104],"massive":[13],"Multiple-Input":[14],"Multiple-Output":[15],"(MIMO)":[16],"systems.":[17],"The":[18,128],"goal":[19],"this":[21],"paper":[22],"improve":[25],"uplink":[27],"achievable":[28],"sum":[29,52],"rates":[30,53],"strong":[32,92,126],"users,":[33],"and":[34,91,95,156],"ensure":[35,121],"quality":[37],"service":[39],"(QoS)":[40],"requirements":[41],"weak":[43,88,105],"users":[44,82],"at":[45],"same":[47],"time,":[48],"so":[49],"that":[50],"system":[55,163],"can":[56],"be":[57],"improved.":[58,172],"Combining":[59],"with":[60,134],"technical":[62],"advantage":[63],"grouping,":[66],"a":[67,114],"low":[68],"complexity":[69],"scheme":[72,143,151,168],"based":[73,144,152],"on":[74,145,153],"matching":[75,99],"algorithm":[76],"proposed,":[78],"which":[79],"divides":[80],"target":[85],"cell":[86],"into":[87],"user":[89,93,106,154],"group":[90],"group,":[94],"adopts":[96],"minimum-maximum":[98],"method":[100,117],"allocate":[102],"pilots":[103],"group.":[107],"Through":[108],"introduction":[110],"Hungarian":[112,146],"algorithm,":[113,147],"designed":[119],"fairness":[123],"users.":[127],"simulation":[129],"results":[130],"show":[131],"that,":[132],"compared":[133],"smart":[136],"scheme,":[139,161],"grouping":[155],"random":[158],"performance":[164],"proposed":[167],"has":[169],"been":[170],"effectively":[171]},"counts_by_year":[{"year":2021,"cited_by_count":1}],"updated_date":"2026-04-16T08:26:57.006410","created_date":"2025-10-10T00:00:00"}
