{"id":"https://openalex.org/W2995331180","doi":"https://doi.org/10.1109/wcsp.2019.8927900","title":"Spectrum Efficiency Optimization for Uplink Massive MIMO System with Imperfect Channel State Information","display_name":"Spectrum Efficiency Optimization for Uplink Massive MIMO System with Imperfect Channel State Information","publication_year":2019,"publication_date":"2019-10-01","ids":{"openalex":"https://openalex.org/W2995331180","doi":"https://doi.org/10.1109/wcsp.2019.8927900","mag":"2995331180"},"language":"en","primary_location":{"id":"doi:10.1109/wcsp.2019.8927900","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcsp.2019.8927900","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 11th International Conference on Wireless Communications and Signal Processing (WCSP)","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/A5059709774","display_name":"Yuheng Du","orcid":"https://orcid.org/0000-0001-6665-5892"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuheng Du","raw_affiliation_strings":["College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050184745","display_name":"Xiangbin Yu","orcid":"https://orcid.org/0000-0002-6006-2911"},"institutions":[{"id":"https://openalex.org/I4210147322","display_name":"Shanghai Institute of Microsystem and Information Technology","ror":"https://ror.org/04nytyj38","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210147322"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiangbin Yu","raw_affiliation_strings":["Key Laboratory of Wireless Sensor Network and Communication, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Wireless Sensor Network and Communication, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, China","institution_ids":["https://openalex.org/I4210147322"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100442241","display_name":"Xi Wang","orcid":"https://orcid.org/0000-0002-0622-2451"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xi Wang","raw_affiliation_strings":["College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082333178","display_name":"Qiuming Zhu","orcid":"https://orcid.org/0000-0002-4995-5970"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qiuming Zhu","raw_affiliation_strings":["College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101658191","display_name":"Tao Liu","orcid":"https://orcid.org/0000-0002-8583-8640"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tao Liu","raw_affiliation_strings":["College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"133","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":1.0,"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":1.0,"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/T11409","display_name":"Advanced Wireless Network Optimization","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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.996399998664856,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.6983851194381714},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6532150506973267},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.6510360240936279},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.6339181065559387},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.5395113825798035},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5066493153572083},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.49974775314331055},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.46465960144996643},{"id":"https://openalex.org/keywords/convex-optimization","display_name":"Convex optimization","score":0.4450758397579193},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.44490131735801697},{"id":"https://openalex.org/keywords/transmitter-power-output","display_name":"Transmitter power output","score":0.4253537058830261},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4012230634689331},{"id":"https://openalex.org/keywords/regular-polygon","display_name":"Regular polygon","score":0.38281989097595215},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3384603261947632},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.1199219822883606},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.10494688153266907},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.0958297848701477}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.6983851194381714},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6532150506973267},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.6510360240936279},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.6339181065559387},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.5395113825798035},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5066493153572083},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.49974775314331055},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.46465960144996643},{"id":"https://openalex.org/C157972887","wikidata":"https://www.wikidata.org/wiki/Q463359","display_name":"Convex optimization","level":3,"score":0.4450758397579193},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.44490131735801697},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.4253537058830261},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4012230634689331},{"id":"https://openalex.org/C112680207","wikidata":"https://www.wikidata.org/wiki/Q714886","display_name":"Regular polygon","level":2,"score":0.38281989097595215},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3384603261947632},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.1199219822883606},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.10494688153266907},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.0958297848701477},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/wcsp.2019.8927900","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcsp.2019.8927900","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 11th International Conference on Wireless Communications and Signal Processing (WCSP)","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":17,"referenced_works":["https://openalex.org/W1533109855","https://openalex.org/W1882846218","https://openalex.org/W1971443733","https://openalex.org/W1990494141","https://openalex.org/W2104057862","https://openalex.org/W2128513990","https://openalex.org/W2137853299","https://openalex.org/W2141682101","https://openalex.org/W2143225747","https://openalex.org/W2244793121","https://openalex.org/W2516274464","https://openalex.org/W2543580944","https://openalex.org/W2608539699","https://openalex.org/W2963993392","https://openalex.org/W3106282754","https://openalex.org/W4213038017","https://openalex.org/W6681383903"],"related_works":["https://openalex.org/W2548963335","https://openalex.org/W2159941915","https://openalex.org/W2515629000","https://openalex.org/W2103590590","https://openalex.org/W2013230419","https://openalex.org/W2169192185","https://openalex.org/W4372349176","https://openalex.org/W2395708164","https://openalex.org/W2140606879","https://openalex.org/W2728807107"],"abstract_inverted_index":{"Based":[0],"on":[1,31],"imperfect":[2,45],"channel":[3],"state":[4],"information":[5],"(C-SI)":[6],"available,":[7],"the":[8,34,42,61,76,85,99,128,135,166,172,178,182,186,191,196,205,219,232,238],"power":[9,64],"allocation":[10],"(PA)":[11],"schemes":[12,169],"for":[13],"spectrum":[14],"efficiency":[15],"(SE)":[16],"optimization":[17,70,130],"in":[18,41],"uplink":[19],"massive":[20,37],"MIMO":[21,38],"systems":[22],"with":[23,39,84,185],"continuous-rate":[24],"adaptive":[25],"modulation":[26],"(CAM)":[27],"are":[28,116,170],"studied.":[29],"Conditioned":[30],"target":[32],"BER,":[33],"SE":[35,77,180,206],"of":[36,44,72,210,231],"CAM":[40],"presence":[43],"CSI":[46],"is":[47,54,78,90,139,154,193],"derived.":[48],"As":[49],"a":[50,67,149],"result,":[51,58],"closed-form":[52,160],"expression":[53],"attained.":[55],"Using":[56],"this":[57,119,133],"subject":[59],"to":[60,74,126,208,235],"maximum":[62],"transmit":[63],"per":[65],"user,":[66],"constrained":[68],"non-concave":[69,137],"problem":[71,138],"PA":[73,82,104,152,174,202,212,220],"maximize":[75],"formulated.":[79],"A":[80],"near-optimal":[81,173,211,233],"scheme":[83,105,153,175,203,213,223,234],"concave-convex":[86],"procedure":[87],"(CCCP)":[88],"method":[89,115],"then":[91],"developed,":[92],"which":[93],"offers":[94,215],"nearly":[95],"optimal":[96,183],"performance":[97],"as":[98,181,227],"exhaustive":[100,187],"search":[101,188],"scheme.":[102],"This":[103],"has":[106,176,204],"relatively":[107],"high":[108],"complexity":[109,192],"since":[110],"more":[111],"iterations":[112],"from":[113,221],"CCCP":[114,239],"required.":[117],"For":[118],"reason,":[120],"we":[121],"introduce":[122],"an":[123,228],"optimized":[124],"parameter":[125],"simplify":[127],"original":[129,136],"problem.":[131],"With":[132],"parameter,":[134],"transformed":[140],"into":[141],"two":[142,168],"concave":[143],"subproblems.":[144],"By":[145],"solving":[146],"these":[147],"subproblems,":[148],"low-complexity":[150],"suboptimal":[151,201,222],"presented,":[155],"and":[156],"it":[157],"can":[158,224],"provide":[159],"PA.":[161],"Simulation":[162],"results":[163],"reveal":[164],"that":[165,209],"developed":[167],"valid,":[171],"almost":[177],"same":[179],"one":[184],"method,":[189],"but":[190,214],"lower":[194,216],"than":[195],"latter.":[197],"The":[198],"iteration":[199],"free":[200],"close":[207],"complexity.":[217],"Meanwhile,":[218],"be":[225],"used":[226],"initial":[229],"value":[230],"speed":[236],"up":[237],"method.":[240]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
