{"id":"https://openalex.org/W4415089992","doi":"https://doi.org/10.1109/gcwkshps68340.2025.11591061","title":"Sustainable LSTM-Based Precoding for RIS-Aided mmWave MIMO Systems with Implicit CSI","display_name":"Sustainable LSTM-Based Precoding for RIS-Aided mmWave MIMO Systems with Implicit CSI","publication_year":2025,"publication_date":"2025-12-08","ids":{"openalex":"https://openalex.org/W4415089992","doi":"https://doi.org/10.1109/gcwkshps68340.2025.11591061"},"language":"en","primary_location":{"id":"doi:10.1109/gcwkshps68340.2025.11591061","is_oa":false,"landing_page_url":"https://doi.org/10.1109/gcwkshps68340.2025.11591061","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE Globecom Workshops (GC Wkshps)","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["arxiv","crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2509.12658","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5066165159","display_name":"Po-Heng Chou","orcid":"https://orcid.org/0000-0003-2194-3449"},"institutions":[{"id":"https://openalex.org/I4210086894","display_name":"Research Center for Information Technology Innovation, Academia Sinica","ror":"https://ror.org/000zgvm20","country_code":"TW","type":"facility","lineage":["https://openalex.org/I4210086894","https://openalex.org/I84653119"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Po-Heng Chou","raw_affiliation_strings":["Research Center for Information Technology Innovation (CITI),Academia Sinica (AS),Taipei,Taiwan,11529"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Research Center for Information Technology Innovation (CITI),Academia Sinica (AS),Taipei,Taiwan,11529","institution_ids":["https://openalex.org/I4210086894"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064526279","display_name":"Jian Wu","orcid":"https://orcid.org/0000-0002-2052-2864"},"institutions":[{"id":"https://openalex.org/I142974352","display_name":"National Sun Yat-sen University","ror":"https://ror.org/00mjawt10","country_code":"TW","type":"education","lineage":["https://openalex.org/I142974352"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Jiun-Jia Wu","raw_affiliation_strings":["National Sun Yat-Sen University (NSYSU),Institute of Communication Engineering (ICE),Kaohsiung,Taiwan,80424"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Sun Yat-Sen University (NSYSU),Institute of Communication Engineering (ICE),Kaohsiung,Taiwan,80424","institution_ids":["https://openalex.org/I142974352"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090028379","display_name":"Wan-Jen Huang","orcid":"https://orcid.org/0000-0002-3423-0408"},"institutions":[{"id":"https://openalex.org/I142974352","display_name":"National Sun Yat-sen University","ror":"https://ror.org/00mjawt10","country_code":"TW","type":"education","lineage":["https://openalex.org/I142974352"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Wan-Jen Huang","raw_affiliation_strings":["National Sun Yat-Sen University (NSYSU),Institute of Communication Engineering (ICE),Kaohsiung,Taiwan,80424"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Sun Yat-Sen University (NSYSU),Institute of Communication Engineering (ICE),Kaohsiung,Taiwan,80424","institution_ids":["https://openalex.org/I142974352"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5052576795","display_name":"Ronald Y. Chang","orcid":"https://orcid.org/0000-0003-4620-6824"},"institutions":[{"id":"https://openalex.org/I4210086894","display_name":"Research Center for Information Technology Innovation, Academia Sinica","ror":"https://ror.org/000zgvm20","country_code":"TW","type":"facility","lineage":["https://openalex.org/I4210086894","https://openalex.org/I84653119"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Ronald Y. Chang","raw_affiliation_strings":["Research Center for Information Technology Innovation (CITI),Academia Sinica (AS),Taipei,Taiwan,11529"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Research Center for Information Technology Innovation (CITI),Academia Sinica (AS),Taipei,Taiwan,11529","institution_ids":["https://openalex.org/I4210086894"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.34481381,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"2137","last_page":"2142"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9994999766349792,"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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9994999766349792,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.998199999332428,"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/T10069","display_name":"Antenna Design and Analysis","score":0.9980999827384949,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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":0.8337000012397766},{"id":"https://openalex.org/keywords/robustness","display_name":"Robustness (evolution)","score":0.6532999873161316},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.5929999947547913},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.5763999819755554},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.5727999806404114},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.5719000101089478},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.49570000171661377},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.4941999912261963},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.48840001225471497}],"concepts":[{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.8337000012397766},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7239999771118164},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.6532999873161316},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.5929999947547913},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.5763999819755554},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.5727999806404114},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.5719000101089478},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.49570000171661377},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.4941999912261963},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.48840001225471497},{"id":"https://openalex.org/C2742236","wikidata":"https://www.wikidata.org/wiki/Q924713","display_name":"Efficient energy use","level":2,"score":0.4699999988079071},{"id":"https://openalex.org/C165696696","wikidata":"https://www.wikidata.org/wiki/Q11287","display_name":"Exploit","level":2,"score":0.4611999988555908},{"id":"https://openalex.org/C2780165032","wikidata":"https://www.wikidata.org/wiki/Q16869822","display_name":"Energy consumption","level":2,"score":0.4510999917984009},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.44519999623298645},{"id":"https://openalex.org/C91330434","wikidata":"https://www.wikidata.org/wiki/Q738298","display_name":"Multi-user MIMO","level":4,"score":0.42179998755455017},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.420199990272522},{"id":"https://openalex.org/C177774035","wikidata":"https://www.wikidata.org/wiki/Q1246948","display_name":"Granularity","level":2,"score":0.3750999867916107},{"id":"https://openalex.org/C113775141","wikidata":"https://www.wikidata.org/wiki/Q428691","display_name":"Computer engineering","level":1,"score":0.3709000051021576},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3677999973297119},{"id":"https://openalex.org/C46686674","wikidata":"https://www.wikidata.org/wiki/Q466303","display_name":"Boosting (machine learning)","level":2,"score":0.3402000069618225},{"id":"https://openalex.org/C2984118289","wikidata":"https://www.wikidata.org/wiki/Q29954","display_name":"Power consumption","level":3,"score":0.321399986743927},{"id":"https://openalex.org/C125411270","wikidata":"https://www.wikidata.org/wiki/Q18653","display_name":"Encoding (memory)","level":2,"score":0.311599999666214},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.30809998512268066},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3012000024318695},{"id":"https://openalex.org/C2776214188","wikidata":"https://www.wikidata.org/wiki/Q408386","display_name":"Inference","level":2,"score":0.2806999981403351},{"id":"https://openalex.org/C2779585090","wikidata":"https://www.wikidata.org/wiki/Q3457762","display_name":"Resilience (materials science)","level":2,"score":0.27639999985694885},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.2752000093460083},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.26030001044273376}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/gcwkshps68340.2025.11591061","is_oa":false,"landing_page_url":"https://doi.org/10.1109/gcwkshps68340.2025.11591061","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE Globecom Workshops (GC Wkshps)","raw_type":"proceedings-article"},{"id":"pmh:oai:arXiv.org:2509.12658","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2509.12658","pdf_url":"https://arxiv.org/pdf/2509.12658","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"doi:10.48550/arxiv.2509.12658","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2509.12658","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2509.12658","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2509.12658","pdf_url":"https://arxiv.org/pdf/2509.12658","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320321041","display_name":"Academia Sinica","ror":"https://ror.org/05bxb3784"},{"id":"https://openalex.org/F4320331164","display_name":"National Science and Technology Council","ror":"https://ror.org/00wnb9798"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3],"propose":[4],"a":[5,63,125],"sustainable":[6,131],"long":[7],"short-term":[8],"memory":[9],"(LSTM)-based":[10],"precoding":[11],"framework":[12,31],"for":[13,130],"reconfigurable":[14],"intelligent":[15],"surface":[16],"(RIS)-assisted":[17],"millimeter-wave":[18],"(mmWave)":[19],"MIMO":[20],"systems.":[21],"Instead":[22],"of":[23,59,85,89,96,107],"explicit":[24],"channel":[25,39],"state":[26],"information":[27],"(CSI)":[28],"estimation,":[29],"the":[30,55,79,86],"exploits":[32],"uplink":[33],"pilot":[34,43],"sequences":[35],"to":[36,119],"implicitly":[37],"learn":[38],"characteristics,":[40],"reducing":[41],"both":[42],"overhead":[44],"and":[45,117,127],"inference":[46],"complexity.":[47],"Practical":[48],"hardware":[49],"constraints":[50],"are":[51],"addressed":[52],"by":[53,103],"incorporating":[54],"phase-dependent":[56],"amplitude":[57],"model":[58],"RIS":[60,121],"elements,":[61],"while":[62],"multi-label":[64],"training":[65],"strategy":[66],"improves":[67],"robustness":[68],"when":[69],"multiple":[70],"near-optimal":[71],"codewords":[72],"yield":[73],"comparable":[74],"performance.":[75],"Simulations":[76],"show":[77],"that":[78],"proposed":[80],"design":[81],"achieves":[82],"over":[83],"90%":[84],"spectral":[87],"efficiency":[88],"exhaustive":[90],"search":[91],"(ES)":[92],"with":[93],"only":[94],"2.2%":[95],"its":[97],"computation":[98],"time,":[99],"cutting":[100],"energy":[101],"consumption":[102],"nearly":[104],"two":[105],"orders":[106],"magnitude.":[108],"The":[109],"method":[110],"also":[111],"demonstrates":[112],"resilience":[113],"under":[114],"distribution":[115],"mismatch":[116],"scalability":[118],"larger":[120],"arrays,":[122],"making":[123],"it":[124],"practical":[126],"energy-efficient":[128],"solution":[129],"6G":[132],"wireless":[133],"networks.":[134]},"counts_by_year":[],"updated_date":"2026-08-05T07:39:15.569665","created_date":"2025-10-12T00:00:00"}
