{"id":"https://openalex.org/W3097047358","doi":"https://doi.org/10.1109/access.2020.3036384","title":"Optimal Power Allocation Algorithm for Multi-Mode OFDM-OAM Communication Systems in Multipath Channel","display_name":"Optimal Power Allocation Algorithm for Multi-Mode OFDM-OAM Communication Systems in Multipath Channel","publication_year":2020,"publication_date":"2020-01-01","ids":{"openalex":"https://openalex.org/W3097047358","doi":"https://doi.org/10.1109/access.2020.3036384","mag":"3097047358"},"language":"en","primary_location":{"id":"doi:10.1109/access.2020.3036384","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.3036384","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/09250455.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/09250455.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5089649771","display_name":"Mingzhe Qu","orcid":null},"institutions":[{"id":"https://openalex.org/I1308199089","display_name":"Harbin University","ror":"https://ror.org/00ey9xa07","country_code":"CN","type":"education","lineage":["https://openalex.org/I1308199089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Mingzhe Qu","raw_affiliation_strings":["School of Technology, Harbin University, Harbin, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Technology, Harbin University, Harbin, China","institution_ids":["https://openalex.org/I1308199089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100322934","display_name":"Yang Wang","orcid":"https://orcid.org/0000-0003-2481-962X"},"institutions":[{"id":"https://openalex.org/I10535382","display_name":"Chongqing University of Posts and Telecommunications","ror":"https://ror.org/03dgaqz26","country_code":"CN","type":"education","lineage":["https://openalex.org/I10535382"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yang Wang","raw_affiliation_strings":["Chongqing Key Laboratory of Mobile Communications Technology, Engineering Research Center of Mobile Communications of the Ministry of Education, School of Communication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China"],"raw_orcid":"https://orcid.org/0000-0003-2481-962X","affiliations":[{"raw_affiliation_string":"Chongqing Key Laboratory of Mobile Communications Technology, Engineering Research Center of Mobile Communications of the Ministry of Education, School of Communication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China","institution_ids":["https://openalex.org/I10535382"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047265119","display_name":"Xi Liao","orcid":"https://orcid.org/0000-0003-2416-1282"},"institutions":[{"id":"https://openalex.org/I10535382","display_name":"Chongqing University of Posts and Telecommunications","ror":"https://ror.org/03dgaqz26","country_code":"CN","type":"education","lineage":["https://openalex.org/I10535382"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xi Liao","raw_affiliation_strings":["Chongqing Jinmei Communication Company Ltd., Chongqing, China","Chongqing Key Laboratory of Mobile Communications Technology, Engineering Research Center of Mobile Communications of the Ministry of Education, School of Communication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China"],"raw_orcid":"https://orcid.org/0000-0003-2416-1282","affiliations":[{"raw_affiliation_string":"Chongqing Jinmei Communication Company Ltd., Chongqing, China","institution_ids":[]},{"raw_affiliation_string":"Chongqing Key Laboratory of Mobile Communications Technology, Engineering Research Center of Mobile Communications of the Ministry of Education, School of Communication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China","institution_ids":["https://openalex.org/I10535382"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021977761","display_name":"Shasha Liao","orcid":"https://orcid.org/0000-0002-2907-7189"},"institutions":[{"id":"https://openalex.org/I10535382","display_name":"Chongqing University of Posts and Telecommunications","ror":"https://ror.org/03dgaqz26","country_code":"CN","type":"education","lineage":["https://openalex.org/I10535382"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shasha Liao","raw_affiliation_strings":["Chongqing Key Laboratory of Mobile Communications Technology, Engineering Research Center of Mobile Communications of the Ministry of Education, School of Communication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China"],"raw_orcid":"https://orcid.org/0000-0002-2907-7189","affiliations":[{"raw_affiliation_string":"Chongqing Key Laboratory of Mobile Communications Technology, Engineering Research Center of Mobile Communications of the Ministry of Education, School of Communication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China","institution_ids":["https://openalex.org/I10535382"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101600852","display_name":"Jihua Zhou","orcid":"https://orcid.org/0000-0001-8768-8095"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Jihua Zhou","raw_affiliation_strings":["Chongqing Jinmei Communication Company Ltd., Chongqing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chongqing Jinmei Communication Company Ltd., Chongqing, China","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":0.3028,"has_fulltext":true,"cited_by_count":5,"citation_normalized_percentile":{"value":0.57031109,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"8","issue":null,"first_page":"204342","last_page":"204351"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10851","display_name":"Optical Wireless Communication Technologies","score":0.9993000030517578,"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/T10851","display_name":"Optical Wireless Communication Technologies","score":0.9993000030517578,"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/T11873","display_name":"PAPR reduction in OFDM","score":0.9905999898910522,"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/T10232","display_name":"Optical Network Technologies","score":0.9894999861717224,"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/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.8108377456665039},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7436171770095825},{"id":"https://openalex.org/keywords/multipath-propagation","display_name":"Multipath propagation","score":0.6396054625511169},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5997307896614075},{"id":"https://openalex.org/keywords/mode","display_name":"Mode (computer interface)","score":0.5321530103683472},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.5025548934936523},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.49142277240753174},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.321352481842041},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.31812262535095215},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.09323549270629883},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.06100079417228699}],"concepts":[{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.8108377456665039},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7436171770095825},{"id":"https://openalex.org/C161218011","wikidata":"https://www.wikidata.org/wiki/Q11827794","display_name":"Multipath propagation","level":3,"score":0.6396054625511169},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5997307896614075},{"id":"https://openalex.org/C48677424","wikidata":"https://www.wikidata.org/wiki/Q6888088","display_name":"Mode (computer interface)","level":2,"score":0.5321530103683472},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.5025548934936523},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.49142277240753174},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.321352481842041},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.31812262535095215},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.09323549270629883},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.06100079417228699},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","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":2,"locations":[{"id":"doi:10.1109/access.2020.3036384","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.3036384","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/09250455.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:d2a3ebf6e80e4b238c9ef7ede23743b2","is_oa":false,"landing_page_url":"https://doaj.org/article/d2a3ebf6e80e4b238c9ef7ede23743b2","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 8, Pp 204342-204351 (2020)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2020.3036384","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.3036384","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/09250455.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.5899999737739563}],"awards":[{"id":"https://openalex.org/G1240918404","display_name":null,"funder_award_id":"61801063","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G1261169874","display_name":null,"funder_award_id":"K202032","funder_id":"https://openalex.org/F4320327865","funder_display_name":"Chongqing Research Program of Basic Research and Frontier Technology"},{"id":"https://openalex.org/G1523617130","display_name":null,"funder_award_id":"61801063","funder_id":"https://openalex.org/F4320327865","funder_display_name":"Chongqing Research Program of Basic Research and Frontier Technology"},{"id":"https://openalex.org/G1688002537","display_name":null,"funder_award_id":"2019M653826XB","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G2000686406","display_name":null,"funder_award_id":"2019M653826XB","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3211566793","display_name":null,"funder_award_id":"61801062","funder_id":"https://openalex.org/F4320327028","funder_display_name":"State Key Laboratory of Millimeter Waves"},{"id":"https://openalex.org/G3784164979","display_name":null,"funder_award_id":"K202032","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G4128925899","display_name":null,"funder_award_id":"K202032","funder_id":"https://openalex.org/F4320327028","funder_display_name":"State Key Laboratory of Millimeter Waves"},{"id":"https://openalex.org/G4493545473","display_name":null,"funder_award_id":"61801062","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5804092422","display_name":null,"funder_award_id":"CSTC2017JCYJA0817","funder_id":"https://openalex.org/F4320327865","funder_display_name":"Chongqing Research Program of Basic Research and Frontier Technology"},{"id":"https://openalex.org/G6424121753","display_name":null,"funder_award_id":"61801063","funder_id":"https://openalex.org/F4320327028","funder_display_name":"State Key Laboratory of Millimeter Waves"},{"id":"https://openalex.org/G7005678001","display_name":null,"funder_award_id":"2019M653826XB","funder_id":"https://openalex.org/F4320327028","funder_display_name":"State Key Laboratory of Millimeter Waves"},{"id":"https://openalex.org/G7213897059","display_name":null,"funder_award_id":"2019M653826XB","funder_id":"https://openalex.org/F4320327865","funder_display_name":"Chongqing Research Program of Basic Research and Frontier Technology"},{"id":"https://openalex.org/G7608681115","display_name":null,"funder_award_id":"K202032","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8018399912","display_name":null,"funder_award_id":"61801063","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G8032639757","display_name":null,"funder_award_id":"61801062","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G869249994","display_name":null,"funder_award_id":"61801062","funder_id":"https://openalex.org/F4320327865","funder_display_name":"Chongqing Research Program of Basic Research and Frontier Technology"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321543","display_name":"China Postdoctoral Science Foundation","ror":"https://ror.org/0426zh255"},{"id":"https://openalex.org/F4320321550","display_name":"Chongqing Science and Technology Commission","ror":"https://ror.org/05w9erc61"},{"id":"https://openalex.org/F4320327028","display_name":"State Key Laboratory of Millimeter Waves","ror":null},{"id":"https://openalex.org/F4320327865","display_name":"Chongqing Research Program of Basic Research and Frontier Technology","ror":null}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3097047358.pdf","grobid_xml":"https://content.openalex.org/works/W3097047358.grobid-xml"},"referenced_works_count":29,"referenced_works":["https://openalex.org/W1512952837","https://openalex.org/W2020356847","https://openalex.org/W2074643530","https://openalex.org/W2094055587","https://openalex.org/W2097034408","https://openalex.org/W2102412823","https://openalex.org/W2117453616","https://openalex.org/W2119911368","https://openalex.org/W2169481269","https://openalex.org/W2265741584","https://openalex.org/W2468061024","https://openalex.org/W2521888215","https://openalex.org/W2568511782","https://openalex.org/W2585744229","https://openalex.org/W2608727628","https://openalex.org/W2766360672","https://openalex.org/W2786317177","https://openalex.org/W2790653727","https://openalex.org/W2885696331","https://openalex.org/W2912286831","https://openalex.org/W2916472814","https://openalex.org/W2922482845","https://openalex.org/W2944704800","https://openalex.org/W2959049690","https://openalex.org/W2980526710","https://openalex.org/W3000703119","https://openalex.org/W3004606139","https://openalex.org/W3104603384","https://openalex.org/W3121795451"],"related_works":["https://openalex.org/W2792339401","https://openalex.org/W2530747331","https://openalex.org/W3097525855","https://openalex.org/W2125564215","https://openalex.org/W4391741972","https://openalex.org/W1986382998","https://openalex.org/W2517776947","https://openalex.org/W2084482193","https://openalex.org/W2972611783","https://openalex.org/W4243590696"],"abstract_inverted_index":{"Vortex":[0],"wave":[1],"carrying":[2],"orbital":[3],"angular":[4],"momentum":[5],"(OAM),":[6],"an":[7],"important":[8],"property":[9],"of":[10,30,183],"electromagnetic":[11],"wave,":[12],"has":[13,38,67,168],"bridged":[14],"a":[15,100,169],"new":[16],"way":[17],"to":[18,123],"achieve":[19],"high-capacity":[20],"radio-frequency":[21],"communications":[22,154],"using":[23],"different":[24],"OAM-modes.":[25,136],"However,":[26],"the":[27,54,64,77,86,92,108,125,131,142,148,161,175,181],"system":[28,81],"performance":[29],"OAM":[31,88],"multiplexing":[32,35],"with":[33,91,160],"orthogonal-frequency-division":[34],"(OFDM)":[36],"technologies":[37],"not":[39],"been":[40,68],"thoroughly":[41],"investigated":[42],"in":[43,121,155],"multipath":[44,156],"channel":[45,89,132,149,157],"environment.":[46],"In":[47],"this":[48],"paper,":[49],"we":[50,83,98],"first":[51],"built":[52],"up":[53],"uniform":[55],"circular":[56],"array":[57],"(UCA)-based":[58],"multi-mode":[59,78,152],"OFDM-OAM":[60,79,153],"communication":[61,80],"system,":[62],"where":[63],"reflected":[65,95],"paths":[66],"generated":[69],"based":[70,129],"on":[71,76,130],"ideal":[72],"specular":[73],"reflector.":[74],"Based":[75],"model,":[82],"also":[84],"derived":[85],"two-path":[87],"model":[90],"direct":[93],"and":[94,116,167],"paths.":[96],"Then,":[97],"proposed":[99,143],"robust":[101],"optimal":[102],"power":[103,127,164],"allocation":[104,165],"algorithm":[105,144],"by":[106],"decomposing":[107],"whole":[109],"optimization":[110,115,120],"problem":[111],"into":[112],"inner-layer":[113],"OAM-modes":[114],"outer-layer":[117],"OFDM":[118,184],"subcarriers":[119,185],"order":[122],"control":[124],"allocated":[126],"flexibly":[128],"quality":[133],"differences":[134],"between":[135],"The":[137],"simulation":[138],"results":[139],"demonstrate":[140],"that":[141],"can":[145],"significantly":[146],"increase":[147],"capacity":[150],"for":[151],"as":[158],"compared":[159],"traditional":[162],"equal":[163],"method":[166,179],"considerable":[170],"low":[171],"computational":[172],"complexity":[173],"than":[174],"binary":[176],"search":[177],"water-filling":[178],"when":[180],"number":[182],"is":[186],"large":[187],"enough.":[188]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":2}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}