{"id":"https://openalex.org/W2761220290","doi":"https://doi.org/10.1109/twc.2017.2760823","title":"Precoded Index Modulation for Multi-Input Multi-Output OFDM","display_name":"Precoded Index Modulation for Multi-Input Multi-Output OFDM","publication_year":2017,"publication_date":"2017-10-13","ids":{"openalex":"https://openalex.org/W2761220290","doi":"https://doi.org/10.1109/twc.2017.2760823","mag":"2761220290"},"language":"en","primary_location":{"id":"doi:10.1109/twc.2017.2760823","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2017.2760823","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Wireless 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/A5010099247","display_name":"Shijian Gao","orcid":"https://orcid.org/0000-0002-8105-7927"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]},{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shijian Gao","raw_affiliation_strings":["State Key Laboratory of Advanced Optical Communication Systems and Networks, School of Electronics Engineering and Computing Sciences, Peking University, Beijing, China","State Key Laboratory of Integrated Service Networks, Xidian University, Xi\u2019an, China","State Key Laboratory of Integrated Service Networks, Xidian University, Xi'an, China"],"raw_orcid":"https://orcid.org/0000-0002-8105-7927","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Advanced Optical Communication Systems and Networks, School of Electronics Engineering and Computing Sciences, Peking University, Beijing, China","institution_ids":["https://openalex.org/I20231570"]},{"raw_affiliation_string":"State Key Laboratory of Integrated Service Networks, Xidian University, Xi\u2019an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"State Key Laboratory of Integrated Service Networks, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100437776","display_name":"Meng Zhang","orcid":"https://orcid.org/0000-0002-8748-1008"},"institutions":[{"id":"https://openalex.org/I4210136246","display_name":"China Telecom (China)","ror":"https://ror.org/03jgnzt20","country_code":"CN","type":"company","lineage":["https://openalex.org/I4210136246"]},{"id":"https://openalex.org/I4387153335","display_name":"China Telecom","ror":"https://ror.org/05p67dv18","country_code":null,"type":"company","lineage":["https://openalex.org/I4387153335"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Meng Zhang","raw_affiliation_strings":["Department of Technology Innovation Center, China Telecom, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Technology Innovation Center, China Telecom, Beijing, China","institution_ids":["https://openalex.org/I4210136246","https://openalex.org/I4387153335"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5068110218","display_name":"Xiang Cheng","orcid":"https://orcid.org/0000-0002-5943-0326"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]},{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiang Cheng","raw_affiliation_strings":["State Key Laboratory of Advanced Optical Communication Systems and Networks, School of Electronics Engineering and Computing Sciences, Peking University, Beijing, China","State Key Laboratory of Integrated Service Networks, Xidian University, Xi\u2019an, China","State Key Laboratory of Integrated Service Networks, Xidian University, Xi'an, China"],"raw_orcid":"https://orcid.org/0000-0002-5943-0326","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Advanced Optical Communication Systems and Networks, School of Electronics Engineering and Computing Sciences, Peking University, Beijing, China","institution_ids":["https://openalex.org/I20231570"]},{"raw_affiliation_string":"State Key Laboratory of Integrated Service Networks, Xidian University, Xi\u2019an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"State Key Laboratory of Integrated Service Networks, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.2161,"has_fulltext":false,"cited_by_count":47,"citation_normalized_percentile":{"value":0.92561808,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":91,"max":99},"biblio":{"volume":"17","issue":"1","first_page":"17","last_page":"28"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","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/T11458","display_name":"Advanced Wireless Communication Technologies","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/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9984999895095825,"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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9959999918937683,"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":0.8529096841812134},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.8331913948059082},{"id":"https://openalex.org/keywords/mimo-ofdm","display_name":"MIMO-OFDM","score":0.6770769357681274},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6661393046379089},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5617062449455261},{"id":"https://openalex.org/keywords/quadrature-amplitude-modulation","display_name":"Quadrature amplitude modulation","score":0.5392661690711975},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.5133160948753357},{"id":"https://openalex.org/keywords/subcarrier","display_name":"Subcarrier","score":0.5095505714416504},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.49752333760261536},{"id":"https://openalex.org/keywords/multi-user-mimo","display_name":"Multi-user MIMO","score":0.4281694293022156},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.4194507896900177},{"id":"https://openalex.org/keywords/bit-error-rate","display_name":"Bit error rate","score":0.40659159421920776},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.31523242592811584},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.31056469678878784},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.10345017910003662}],"concepts":[{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.8529096841812134},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.8331913948059082},{"id":"https://openalex.org/C130946814","wikidata":"https://www.wikidata.org/wiki/Q5988271","display_name":"MIMO-OFDM","level":4,"score":0.6770769357681274},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6661393046379089},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5617062449455261},{"id":"https://openalex.org/C32409245","wikidata":"https://www.wikidata.org/wiki/Q749753","display_name":"Quadrature amplitude modulation","level":4,"score":0.5392661690711975},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5133160948753357},{"id":"https://openalex.org/C198329298","wikidata":"https://www.wikidata.org/wiki/Q586358","display_name":"Subcarrier","level":4,"score":0.5095505714416504},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.49752333760261536},{"id":"https://openalex.org/C91330434","wikidata":"https://www.wikidata.org/wiki/Q738298","display_name":"Multi-user MIMO","level":4,"score":0.4281694293022156},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.4194507896900177},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.40659159421920776},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.31523242592811584},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.31056469678878784},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.10345017910003662}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/twc.2017.2760823","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2017.2760823","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Wireless Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3518328855","display_name":"5G\u5168\u9891\u6bb5Massive MIMO\u4fe1\u9053\u6d4b\u91cf\u3001\u6570\u636e\u63d0\u53d6\u548c\u5206\u6790\u3001\u5efa\u6a21\u4ee5\u53ca\u7cfb\u7edf\u8bbe\u8ba1\u7814\u7a76","funder_award_id":"61571020","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6776907995","display_name":null,"funder_award_id":"61622101","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8761282047","display_name":null,"funder_award_id":"ISN18-14","funder_id":"https://openalex.org/F4320323230","funder_display_name":"Xidian University"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320323230","display_name":"Xidian University","ror":"https://ror.org/05s92vm98"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W790038136","https://openalex.org/W1606015693","https://openalex.org/W1965783113","https://openalex.org/W1991616057","https://openalex.org/W2006367686","https://openalex.org/W2029262884","https://openalex.org/W2065793641","https://openalex.org/W2067605736","https://openalex.org/W2098126478","https://openalex.org/W2105147296","https://openalex.org/W2128513990","https://openalex.org/W2130509920","https://openalex.org/W2132033918","https://openalex.org/W2141682101","https://openalex.org/W2159772567","https://openalex.org/W2290024879","https://openalex.org/W2292579894","https://openalex.org/W2294556344","https://openalex.org/W2295559644","https://openalex.org/W2405736374","https://openalex.org/W2461278549","https://openalex.org/W2540924152","https://openalex.org/W2541204438","https://openalex.org/W2568333316","https://openalex.org/W3008609509","https://openalex.org/W3103746559","https://openalex.org/W3106282754","https://openalex.org/W3106408727","https://openalex.org/W4235921807","https://openalex.org/W4256217385","https://openalex.org/W6696794882"],"related_works":["https://openalex.org/W2890717620","https://openalex.org/W2002623807","https://openalex.org/W2181588870","https://openalex.org/W4220948624","https://openalex.org/W2758593430","https://openalex.org/W2077836382","https://openalex.org/W4366966796","https://openalex.org/W2111727965","https://openalex.org/W2761220290","https://openalex.org/W2545807345"],"abstract_inverted_index":{"Index":[0],"modulated":[1],"orthogonal":[2],"frequency":[3],"division":[4],"multiplexing":[5],"(IM-OFDM)":[6],"is":[7,86],"a":[8],"novel":[9],"multicarrier":[10],"transmission":[11],"scheme,":[12],"which":[13],"provides":[14],"considerable":[15],"performance":[16],"improvement":[17],"compared":[18,178],"with":[19,32,92,137,148,179],"classical":[20],"OFDM":[21],"by":[22,96],"conveying":[23],"information":[24,60],"via":[25,74],"the":[26,33,41,57,62,66,70,98,103,109,114,118,149,171,180],"active":[27,67,99],"subcarrier":[28],"indices":[29],"in":[30,102,165],"conjugation":[31],"constellation":[34,110],"symbols.":[35],"In":[36,169],"this":[37],"paper,":[38],"we":[39],"extend":[40],"idea":[42],"of":[43,69,82,108,151],"IM-OFDM":[44],"to":[45,89,113],"multi-input":[46],"multi-output":[47],"(MIMO)":[48],"systems":[49],"and":[50,105,132,143],"propose":[51],"precoded":[52,162],"MIMO-OFDM":[53,163],"(PIM-MIMO-OFDM).":[54],"Based":[55],"on":[56],"channel":[58],"state":[59],"at":[61],"transmitter,":[63],"PIM-MIMO-OFDM":[64,91,153],"selects":[65],"elements":[68,101],"receiver-side":[71],"space-frequency":[72,100],"subblocks":[73],"linear":[75,138],"precoding.":[76],"The":[77],"spectral":[78,172],"efficiency":[79,173],"enhancement":[80],"method":[81],"in-phase/quadrature":[83],"index":[84],"modulation":[85,95],"also":[87,176],"employed":[88],"construct":[90],"in-phase":[93,104],"quadrature":[94,106],"selecting":[97],"components":[107],"symbol.":[111],"Thanks":[112],"carefully":[115],"designed":[116],"precoding,":[117,152],"co-channel":[119],"interference":[120],"among":[121],"received":[122],"antennas":[123],"can":[124,154,174],"be":[125,175],"completely":[126],"eliminated.":[127],"Consequently,":[128],"low-complexity":[129],"maximum":[130],"likelihood":[131],"suboptimal":[133],"detectors":[134],"are":[135],"devised":[136],"detection":[139],"complexity.":[140],"Both":[141],"analytical":[142],"numerical":[144],"results":[145],"show":[146],"that,":[147],"help":[150],"achieve":[155],"better":[156],"bit":[157],"error":[158],"rateperformance":[159],"than":[160],"traditional":[161],"(P-MIMO-OFDM)":[164],"various":[166],"system":[167],"configurations.":[168,184],"addition,":[170],"enhanced":[177],"P-MIMO-OFDM":[181],"under":[182],"certain":[183]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":7},{"year":2021,"cited_by_count":10},{"year":2020,"cited_by_count":6},{"year":2019,"cited_by_count":9},{"year":2018,"cited_by_count":7}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
