{"id":"https://openalex.org/W4221143069","doi":"https://doi.org/10.1109/twc.2022.3182216","title":"Changeable Rate and Novel Quantization for CSI Feedback Based on Deep Learning","display_name":"Changeable Rate and Novel Quantization for CSI Feedback Based on Deep Learning","publication_year":2022,"publication_date":"2022-06-17","ids":{"openalex":"https://openalex.org/W4221143069","doi":"https://doi.org/10.1109/twc.2022.3182216"},"language":"en","primary_location":{"id":"doi:10.1109/twc.2022.3182216","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2022.3182216","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/A5086203841","display_name":"Xin Liang","orcid":"https://orcid.org/0000-0003-4306-9836"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xin Liang","raw_affiliation_strings":["School of Artificial Intelligence, Beijing University of Posts and Telecommunications, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0003-4306-9836","affiliations":[{"raw_affiliation_string":"School of Artificial Intelligence, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103072860","display_name":"Haoran Chang","orcid":"https://orcid.org/0000-0001-7637-9975"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haoran Chang","raw_affiliation_strings":["School of Artificial Intelligence, Beijing University of Posts and Telecommunications, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0001-7637-9975","affiliations":[{"raw_affiliation_string":"School of Artificial Intelligence, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101502584","display_name":"Haozhen Li","orcid":"https://orcid.org/0000-0003-2554-4218"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haozhen Li","raw_affiliation_strings":["School of Artificial Intelligence, Beijing University of Posts and Telecommunications, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0003-2554-4218","affiliations":[{"raw_affiliation_string":"School of Artificial Intelligence, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018769767","display_name":"Xinyu Gu","orcid":"https://orcid.org/0000-0001-6762-7463"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xinyu Gu","raw_affiliation_strings":["School of Artificial Intelligence, Beijing University of Posts and Telecommunications, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0001-6762-7463","affiliations":[{"raw_affiliation_string":"School of Artificial Intelligence, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100351907","display_name":"Lin Zhang","orcid":"https://orcid.org/0000-0003-0424-9965"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]},{"id":"https://openalex.org/I4210135108","display_name":"Beijing Municipal Health Commission","ror":"https://ror.org/0374a5s68","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210110145","https://openalex.org/I4210135108"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lin Zhang","raw_affiliation_strings":["School of Artificial Intelligence, Beijing University of Posts and Telecommunications, Beijing, China","Beijing Big Data Center, Beijing Municipal Bureau of Economy and Information Technology, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0003-0424-9965","affiliations":[{"raw_affiliation_string":"School of Artificial Intelligence, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]},{"raw_affiliation_string":"Beijing Big Data Center, Beijing Municipal Bureau of Economy and Information Technology, Beijing, China","institution_ids":["https://openalex.org/I4210135108"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":5.133,"has_fulltext":false,"cited_by_count":39,"citation_normalized_percentile":{"value":0.95891831,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":100},"biblio":{"volume":"21","issue":"12","first_page":"10100","last_page":"10114"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12131","display_name":"Wireless Signal Modulation Classification","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12131","display_name":"Wireless Signal Modulation Classification","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9988999962806702,"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":0.9968000054359436,"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/computer-science","display_name":"Computer science","score":0.78340744972229},{"id":"https://openalex.org/keywords/quantization","display_name":"Quantization (signal processing)","score":0.6662671566009521},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.6492418050765991},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6211267113685608},{"id":"https://openalex.org/keywords/user-equipment","display_name":"User equipment","score":0.5286698341369629},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.5222359895706177},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.5188892483711243},{"id":"https://openalex.org/keywords/efficient-energy-use","display_name":"Efficient energy use","score":0.45800045132637024},{"id":"https://openalex.org/keywords/feed-forward","display_name":"Feed forward","score":0.4298044443130493},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.41287341713905334},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.4105861783027649},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.38817447423934937},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.22526192665100098},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.20986855030059814},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.19181716442108154},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.1668301522731781},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.13220131397247314},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.09015241265296936},{"id":"https://openalex.org/keywords/control-engineering","display_name":"Control engineering","score":0.07990691065788269}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.78340744972229},{"id":"https://openalex.org/C28855332","wikidata":"https://www.wikidata.org/wiki/Q198099","display_name":"Quantization (signal processing)","level":2,"score":0.6662671566009521},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.6492418050765991},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6211267113685608},{"id":"https://openalex.org/C2781327853","wikidata":"https://www.wikidata.org/wiki/Q3552547","display_name":"User equipment","level":3,"score":0.5286698341369629},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.5222359895706177},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.5188892483711243},{"id":"https://openalex.org/C2742236","wikidata":"https://www.wikidata.org/wiki/Q924713","display_name":"Efficient energy use","level":2,"score":0.45800045132637024},{"id":"https://openalex.org/C38858127","wikidata":"https://www.wikidata.org/wiki/Q5441228","display_name":"Feed forward","level":2,"score":0.4298044443130493},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.41287341713905334},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.4105861783027649},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.38817447423934937},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.22526192665100098},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.20986855030059814},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.19181716442108154},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.1668301522731781},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.13220131397247314},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.09015241265296936},{"id":"https://openalex.org/C133731056","wikidata":"https://www.wikidata.org/wiki/Q4917288","display_name":"Control engineering","level":1,"score":0.07990691065788269},{"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/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/twc.2022.3182216","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2022.3182216","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":[{"score":0.9100000262260437,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[{"id":"https://openalex.org/G2480003688","display_name":null,"funder_award_id":"CX2022232","funder_id":"https://openalex.org/F4320321470","funder_display_name":"Beijing University of Posts and Telecommunications"},{"id":"https://openalex.org/G523832124","display_name":"\u57fa\u4e8e\u4efb\u52a1\u7279\u5f81\u7684\u7aef\u8fb9\u4e91\u534f\u540c\u7f51\u7edc\u591a\u57df\u8d44\u6e90\u4f18\u5316\u5173\u952e\u6280\u672f\u7814\u7a76","funder_award_id":"62071179","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/F4320321470","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":36,"referenced_works":["https://openalex.org/W1522301498","https://openalex.org/W2042970394","https://openalex.org/W2072079297","https://openalex.org/W2099721949","https://openalex.org/W2120549790","https://openalex.org/W2248239756","https://openalex.org/W2624494617","https://openalex.org/W2886124254","https://openalex.org/W2889482795","https://openalex.org/W2911910187","https://openalex.org/W2914338909","https://openalex.org/W2938320435","https://openalex.org/W2951740753","https://openalex.org/W2963145597","https://openalex.org/W2963190722","https://openalex.org/W2995894200","https://openalex.org/W3000769608","https://openalex.org/W3001909141","https://openalex.org/W3003580643","https://openalex.org/W3003689553","https://openalex.org/W3005526854","https://openalex.org/W3006156918","https://openalex.org/W3009301755","https://openalex.org/W3045086480","https://openalex.org/W3045262278","https://openalex.org/W3047026591","https://openalex.org/W3096330798","https://openalex.org/W3096337450","https://openalex.org/W3112756300","https://openalex.org/W3120529131","https://openalex.org/W3126185220","https://openalex.org/W3172242714","https://openalex.org/W4205947740","https://openalex.org/W6631190155","https://openalex.org/W6691290438","https://openalex.org/W6775152955"],"related_works":["https://openalex.org/W2106711889","https://openalex.org/W4226210192","https://openalex.org/W3215829489","https://openalex.org/W2032430904","https://openalex.org/W4307482262","https://openalex.org/W2011751543","https://openalex.org/W4389401745","https://openalex.org/W3009301755","https://openalex.org/W2081825752","https://openalex.org/W4386025800"],"abstract_inverted_index":{"Deep":[0],"learning":[1],"(DL)-based":[2],"channel":[3],"state":[4],"information":[5],"(CSI)":[6],"feedback":[7,33,86,100,137,147,167,176],"improves":[8,192],"the":[9,46,51,61,80,93,103,107,110,120,162,178,182,193,197],"capacity":[10],"and":[11,50,82,109,122,141,191],"energy":[12],"efficiency":[13,81,105,164,195],"of":[14,32,63,84,165],"massive":[15],"multiple-input":[16],"multiple-output":[17],"(MIMO)":[18],"systems":[19],"in":[20,115,168],"frequency":[21],"division":[22],"duplexing":[23],"mode.":[24],"However,":[25],"multiple":[26],"neural":[27],"networks":[28,138],"with":[29,60,74,173,188,196],"different":[30],"lengths":[31],"overhead":[34,148],"are":[35],"required":[36,44],"by":[37,126,144,185],"time-varying":[38],"bandwidth":[39],"resources.":[40],"The":[41],"storage":[42,104,183],"space":[43,184],"at":[45,106],"user":[47],"equipment":[48],"(UE)":[49],"base":[52],"station":[53],"(BS)":[54],"for":[55],"these":[56],"models":[57],"increases":[58],"linearly":[59],"number":[62],"models.":[64],"In":[65],"this":[66,116],"paper,":[67],"we":[68,131],"propose":[69,132],"a":[70,146,152],"DL-based":[71,134],"changeable-rate":[72,135,189],"framework":[73,89,117,180],"novel":[75],"quantization":[76,128,154,198],"scheme":[77,190],"to":[78,96,101,159],"improve":[79,161],"feasibility":[83],"CSI":[85,99,136,166,175],"systems.":[87],"This":[88],"can":[90,118],"reutilize":[91],"all":[92],"network":[94],"layers":[95],"achieve":[97],"overhead-changeable":[98],"optimize":[102],"UE":[108],"BS":[111],"sides.":[112],"Designed":[113],"quantizer":[114],"avoid":[119],"normalization":[121],"gradient":[123],"problems":[124],"faced":[125],"traditional":[127],"schemes.":[129],"Specifically,":[130],"two":[133],"CH-":[139,142],"CsiNetPro":[140],"DualNetSph":[143],"introducing":[145],"control":[149],"unit.":[150],"Then,":[151],"pluggable":[153],"block":[155],"(PQB)":[156],"is":[157],"developed":[158],"further":[160],"encoding":[163,194],"an":[169],"end-to-end":[170],"way.":[171],"Compared":[172],"existing":[174],"methods,":[177],"proposed":[179],"saves":[181],"about":[186],"50%":[187],"module.":[199]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":13},{"year":2024,"cited_by_count":17},{"year":2023,"cited_by_count":6},{"year":2022,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}