{"id":"https://openalex.org/W4401503346","doi":"https://doi.org/10.1016/j.dcan.2024.08.011","title":"Pre-filters design for weighted sum rate maximization in multiuser time reversal downlink systems","display_name":"Pre-filters design for weighted sum rate maximization in multiuser time reversal downlink systems","publication_year":2024,"publication_date":"2024-08-12","ids":{"openalex":"https://openalex.org/W4401503346","doi":"https://doi.org/10.1016/j.dcan.2024.08.011"},"language":"en","primary_location":{"id":"doi:10.1016/j.dcan.2024.08.011","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.dcan.2024.08.011","pdf_url":null,"source":{"id":"https://openalex.org/S2495769766","display_name":"Digital Communications and Networks","issn_l":"2352-8648","issn":["2352-8648","2468-5925"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310320345","host_organization_name":"KeAi","host_organization_lineage":["https://openalex.org/P4310320345","https://openalex.org/P4310320990"],"host_organization_lineage_names":["KeAi","Elsevier BV"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Digital Communications and Networks","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://doi.org/10.1016/j.dcan.2024.08.011","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5025967735","display_name":"Mingyue Wang","orcid":"https://orcid.org/0000-0003-0614-2010"},"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":true,"raw_author_name":"Mingyue Wang","raw_affiliation_strings":["School of Communication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing 400065, China"],"raw_orcid":"https://orcid.org/0000-0003-0614-2010","affiliations":[{"raw_affiliation_string":"School of Communication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing 400065, China","institution_ids":["https://openalex.org/I10535382"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102002293","display_name":"Fangwei Li","orcid":null},"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":"Fangwei Li","raw_affiliation_strings":["School of Communication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing 400065, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Communication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing 400065, China","institution_ids":["https://openalex.org/I10535382"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067639596","display_name":"Yingsong Li","orcid":"https://orcid.org/0000-0002-2450-6028"},"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":"Yingsong Li","raw_affiliation_strings":["College of Electronics and Information Engineering, Anhui University, Hefei 230039, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electronics and Information Engineering, Anhui University, Hefei 230039, China","institution_ids":["https://openalex.org/I143868143"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101136045","display_name":"Shengyuan Luo","orcid":null},"institutions":[{"id":"https://openalex.org/I891191580","display_name":"Aalborg University","ror":"https://ror.org/04m5j1k67","country_code":"DK","type":"education","lineage":["https://openalex.org/I891191580"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Shengyuan Luo","raw_affiliation_strings":["Antennas Propagation and Millimetre-Wave Section, Aalborg University, Aalborg 9220, Denmark"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Antennas Propagation and Millimetre-Wave Section, Aalborg University, Aalborg 9220, Denmark","institution_ids":["https://openalex.org/I891191580"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5025967735"],"corresponding_institution_ids":["https://openalex.org/I10535382"],"apc_list":null,"apc_paid":null,"fwci":0.3081,"has_fulltext":true,"cited_by_count":2,"citation_normalized_percentile":{"value":0.52081051,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":96},"biblio":{"volume":"11","issue":"6","first_page":"1908","last_page":"1916"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11739","display_name":"Microwave Imaging and Scattering Analysis","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/T11739","display_name":"Microwave Imaging and Scattering Analysis","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/T10326","display_name":"Indoor and Outdoor Localization Technologies","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/T12024","display_name":"Ultra-Wideband Communications Technology","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"}}],"keywords":[{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.7896989583969116},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7562696933746338},{"id":"https://openalex.org/keywords/maximization","display_name":"Maximization","score":0.7319464683532715},{"id":"https://openalex.org/keywords/weighting","display_name":"Weighting","score":0.6686535477638245},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.6353439688682556},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.4876517057418823},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.46978962421417236},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.45874840021133423},{"id":"https://openalex.org/keywords/iterative-method","display_name":"Iterative method","score":0.42750221490859985},{"id":"https://openalex.org/keywords/convex-optimization","display_name":"Convex optimization","score":0.41309165954589844},{"id":"https://openalex.org/keywords/regular-polygon","display_name":"Regular polygon","score":0.3982354998588562},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.198613703250885},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.13240519165992737}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.7896989583969116},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7562696933746338},{"id":"https://openalex.org/C2776330181","wikidata":"https://www.wikidata.org/wiki/Q18358244","display_name":"Maximization","level":2,"score":0.7319464683532715},{"id":"https://openalex.org/C183115368","wikidata":"https://www.wikidata.org/wiki/Q856577","display_name":"Weighting","level":2,"score":0.6686535477638245},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.6353439688682556},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.4876517057418823},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.46978962421417236},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.45874840021133423},{"id":"https://openalex.org/C159694833","wikidata":"https://www.wikidata.org/wiki/Q2321565","display_name":"Iterative method","level":2,"score":0.42750221490859985},{"id":"https://openalex.org/C157972887","wikidata":"https://www.wikidata.org/wiki/Q463359","display_name":"Convex optimization","level":3,"score":0.41309165954589844},{"id":"https://openalex.org/C112680207","wikidata":"https://www.wikidata.org/wiki/Q714886","display_name":"Regular polygon","level":2,"score":0.3982354998588562},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.198613703250885},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.13240519165992737},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0},{"id":"https://openalex.org/C126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","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":3,"locations":[{"id":"doi:10.1016/j.dcan.2024.08.011","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.dcan.2024.08.011","pdf_url":null,"source":{"id":"https://openalex.org/S2495769766","display_name":"Digital Communications and Networks","issn_l":"2352-8648","issn":["2352-8648","2468-5925"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310320345","host_organization_name":"KeAi","host_organization_lineage":["https://openalex.org/P4310320345","https://openalex.org/P4310320990"],"host_organization_lineage_names":["KeAi","Elsevier BV"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Digital Communications and Networks","raw_type":"journal-article"},{"id":"pmh:oai:pure.atira.dk:openaire/ae29ebed-a93e-4f53-bf72-17c3eea4acd0","is_oa":false,"landing_page_url":"https://vbn.aau.dk/da/publications/ae29ebed-a93e-4f53-bf72-17c3eea4acd0","pdf_url":null,"source":{"id":"https://openalex.org/S4306401731","display_name":"VBN Forskningsportal (Aalborg Universitet)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I891191580","host_organization_name":"Aalborg University","host_organization_lineage":["https://openalex.org/I891191580"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Wang, M, Li, F, Li, Y & Luo, S 2025, 'Pre-filters design for weighted sum rate maximization in multiuser time reversal downlink systems', Digital Communications and Networks, vol. 11, no. 6, pp. 1908-1916. https://doi.org/10.1016/j.dcan.2024.08.011","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:doaj.org/article:6f8269e63d2b4e0cb94ff174c0d281b1","is_oa":true,"landing_page_url":"https://doaj.org/article/6f8269e63d2b4e0cb94ff174c0d281b1","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":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Digital Communications and Networks, Vol 11, Iss 6, Pp 1908-1916 (2025)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1016/j.dcan.2024.08.011","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.dcan.2024.08.011","pdf_url":null,"source":{"id":"https://openalex.org/S2495769766","display_name":"Digital Communications and Networks","issn_l":"2352-8648","issn":["2352-8648","2468-5925"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310320345","host_organization_name":"KeAi","host_organization_lineage":["https://openalex.org/P4310320345","https://openalex.org/P4310320990"],"host_organization_lineage_names":["KeAi","Elsevier BV"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Digital Communications and Networks","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G711767880","display_name":null,"funder_award_id":"CYB21200","funder_id":"https://openalex.org/F4320335872","funder_display_name":"Chongqing Graduate Student Research Innovation Project"},{"id":"https://openalex.org/G7282915970","display_name":"\u672a\u6765\u5bbd\u5e26\u65e0\u7ebf\u79fb\u52a8\u901a\u4fe1\u7cfb\u7edf\u4e2d\u57fa\u4e8e\u65f6\u95f4\u53cd\u6f14\u7684\u65e0\u7ebf\u4f20\u8f93\u673a\u5236\u7814\u7a76","funder_award_id":"61771084","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320327562","display_name":"Graduate Scientific Research and Innovation Foundation of Chongqing","ror":null},{"id":"https://openalex.org/F4320335872","display_name":"Chongqing Graduate Student Research Innovation Project","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":29,"referenced_works":["https://openalex.org/W1986026599","https://openalex.org/W2001562415","https://openalex.org/W2003202866","https://openalex.org/W2009923109","https://openalex.org/W2016132771","https://openalex.org/W2029081067","https://openalex.org/W2060793071","https://openalex.org/W2100573451","https://openalex.org/W2105235982","https://openalex.org/W2110561776","https://openalex.org/W2124809476","https://openalex.org/W2129780803","https://openalex.org/W2136394093","https://openalex.org/W2163762663","https://openalex.org/W2579608261","https://openalex.org/W2584438341","https://openalex.org/W2596944875","https://openalex.org/W2751619344","https://openalex.org/W3104253263","https://openalex.org/W3112138493","https://openalex.org/W4200114713","https://openalex.org/W4225725726","https://openalex.org/W4250589301","https://openalex.org/W4284685599","https://openalex.org/W4312229791","https://openalex.org/W4362683604","https://openalex.org/W4376480868","https://openalex.org/W4378965879","https://openalex.org/W6605319200"],"related_works":["https://openalex.org/W2548963335","https://openalex.org/W2159941915","https://openalex.org/W2180954594","https://openalex.org/W1995129237","https://openalex.org/W4388081250","https://openalex.org/W2909457694","https://openalex.org/W1761601995","https://openalex.org/W2052835778","https://openalex.org/W2904599916","https://openalex.org/W4321608401"],"abstract_inverted_index":{"In":[0,62],"high-speed":[1],"multiuser":[2],"Time":[3],"Reversal":[4],"(TR)":[5],"downlink":[6],"systems,":[7],"the":[8,15,25,37,41,70,83,87,98,118,124,127,150],"transmission":[9],"rate":[10,28,147],"is":[11,32,56,113],"degraded":[12],"due":[13],"to":[14,64,96,115,123,149],"presence":[16],"of":[17,43,86,144],"severe":[18],"inter-user":[19],"and":[20,59,68,138],"inter-symbol":[21],"interference.":[22],"Moreover,":[23],"maximizing":[24],"weighted":[26,71,145],"sum":[27,72,146],"in":[29,46,74,142],"such":[30],"systems":[31],"a":[33,79,102,109,131,135],"critical":[34],"objective,":[35],"since":[36],"weighting":[38],"factors":[39],"represent":[40],"priority":[42],"different":[44,47],"users":[45],"applications.":[48],"However,":[49],"it":[50,55],"faces":[51],"significant":[52],"challenges":[53],"as":[54],"an":[57],"NP-hard":[58],"non-convex":[60],"problem.":[61,107,121],"order":[63],"suppress":[65],"these":[66],"interferences":[67],"maximize":[69],"rate,":[73],"this":[75],"paper":[76],"we":[77],"present":[78],"novel":[80],"approach":[81],"for":[82],"joint":[84],"design":[85],"pre-filters.":[88],"The":[89],"proposed":[90,128],"method":[91,129],"applies":[92],"successive":[93],"convex":[94],"approximation":[95],"transform":[97],"original":[99],"problem":[100],"into":[101],"Second-Order":[103],"Cone":[104],"Programming":[105],"(SOCP)":[106],"Then,":[108],"low-complexity":[110],"iterative":[111],"algorithm":[112],"provided":[114],"effectively":[116],"solve":[117],"resulting":[119],"SOCP":[120],"According":[122],"simulation":[125],"results,":[126],"reaches":[130],"local":[132],"optimum":[133],"within":[134],"few":[136],"iterations":[137],"demonstrates":[139],"superior":[140],"performance":[141],"terms":[143],"compared":[148],"current":[151],"algorithm.":[152]},"counts_by_year":[{"year":2025,"cited_by_count":2}],"updated_date":"2026-07-02T09:51:11.867554","created_date":"2025-10-10T00:00:00"}