{"id":"https://openalex.org/W2100501668","doi":"https://doi.org/10.1109/glocom.2010.5683242","title":"Limited Feedback-Based Unitary Precoder Design in Rician MIMO Channel via Trellis Exploration Algorithm","display_name":"Limited Feedback-Based Unitary Precoder Design in Rician MIMO Channel via Trellis Exploration Algorithm","publication_year":2010,"publication_date":"2010-12-01","ids":{"openalex":"https://openalex.org/W2100501668","doi":"https://doi.org/10.1109/glocom.2010.5683242","mag":"2100501668"},"language":"en","primary_location":{"id":"doi:10.1109/glocom.2010.5683242","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2010.5683242","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2010 IEEE Global Telecommunications Conference GLOBECOM 2010","raw_type":"proceedings-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/A5087508816","display_name":"Dalin Zhu","orcid":"https://orcid.org/0000-0003-0796-2918"},"institutions":[{"id":"https://openalex.org/I4210149379","display_name":"NEC (China)","ror":"https://ror.org/04xrcx824","country_code":"CN","type":"company","lineage":["https://openalex.org/I118347220","https://openalex.org/I4210149379"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Dalin Zhu","raw_affiliation_strings":["Department of Wireless Communications, NEC Laboratories China, Beijing, China","Dept. of Wireless Commun., NEC Labs. China (NLC), Beijing, China"],"affiliations":[{"raw_affiliation_string":"Department of Wireless Communications, NEC Laboratories China, Beijing, China","institution_ids":[]},{"raw_affiliation_string":"Dept. of Wireless Commun., NEC Labs. China (NLC), Beijing, China","institution_ids":["https://openalex.org/I4210149379"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5003778401","display_name":"Balasubramaniam Natarajan","orcid":"https://orcid.org/0000-0001-6429-9003"},"institutions":[{"id":"https://openalex.org/I189590672","display_name":"Kansas State University","ror":"https://ror.org/05p1j8758","country_code":"US","type":"education","lineage":["https://openalex.org/I189590672"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Balasubramaniam Natarajan","raw_affiliation_strings":["Department of Electrical & Computer Engineering, Kansas State University, Manhattan, KS, USA","Dept. of Electr. & Comput. Eng., Kansas State Univ., Manhattan, KS, USA"],"affiliations":[{"raw_affiliation_string":"Department of Electrical & Computer Engineering, Kansas State University, Manhattan, KS, USA","institution_ids":["https://openalex.org/I189590672"]},{"raw_affiliation_string":"Dept. of Electr. & Comput. Eng., Kansas State Univ., Manhattan, KS, USA","institution_ids":["https://openalex.org/I189590672"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5087508816"],"corresponding_institution_ids":["https://openalex.org/I4210149379"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.15003337,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"16","issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","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/T10148","display_name":"Advanced MIMO Systems Optimization","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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9994000196456909,"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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9994000196456909,"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/codebook","display_name":"Codebook","score":0.8765091896057129},{"id":"https://openalex.org/keywords/rician-fading","display_name":"Rician fading","score":0.8734605312347412},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.8410619497299194},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6848820447921753},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6404195427894592},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6346291303634644},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5127233266830444},{"id":"https://openalex.org/keywords/rayleigh-fading","display_name":"Rayleigh fading","score":0.509437620639801},{"id":"https://openalex.org/keywords/trellis","display_name":"Trellis (graph)","score":0.4418312907218933},{"id":"https://openalex.org/keywords/multi-user-mimo","display_name":"Multi-user MIMO","score":0.4356478154659271},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.3744843900203705},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.37060660123825073},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.3645053505897522},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.18594226241111755},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.0924701988697052}],"concepts":[{"id":"https://openalex.org/C127759330","wikidata":"https://www.wikidata.org/wiki/Q637416","display_name":"Codebook","level":2,"score":0.8765091896057129},{"id":"https://openalex.org/C60472773","wikidata":"https://www.wikidata.org/wiki/Q7331156","display_name":"Rician fading","level":4,"score":0.8734605312347412},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.8410619497299194},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6848820447921753},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6404195427894592},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6346291303634644},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5127233266830444},{"id":"https://openalex.org/C56985126","wikidata":"https://www.wikidata.org/wiki/Q854039","display_name":"Rayleigh fading","level":4,"score":0.509437620639801},{"id":"https://openalex.org/C2781235587","wikidata":"https://www.wikidata.org/wiki/Q7838009","display_name":"Trellis (graph)","level":3,"score":0.4418312907218933},{"id":"https://openalex.org/C91330434","wikidata":"https://www.wikidata.org/wiki/Q738298","display_name":"Multi-user MIMO","level":4,"score":0.4356478154659271},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.3744843900203705},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.37060660123825073},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.3645053505897522},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.18594226241111755},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0924701988697052},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/glocom.2010.5683242","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2010.5683242","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2010 IEEE Global Telecommunications Conference GLOBECOM 2010","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W22878335","https://openalex.org/W2074863717","https://openalex.org/W2097736984","https://openalex.org/W2098653595","https://openalex.org/W2099238939","https://openalex.org/W2111349248","https://openalex.org/W2113271807","https://openalex.org/W2115543075","https://openalex.org/W2123911872","https://openalex.org/W2130509920","https://openalex.org/W2140013408","https://openalex.org/W2145720856","https://openalex.org/W2161515500","https://openalex.org/W2168847332","https://openalex.org/W2169448252"],"related_works":["https://openalex.org/W2123156148","https://openalex.org/W2392575683","https://openalex.org/W3107840580","https://openalex.org/W2109733478","https://openalex.org/W2012665287","https://openalex.org/W2098653595","https://openalex.org/W2014264654","https://openalex.org/W1976249538","https://openalex.org/W2133945324","https://openalex.org/W2141031289"],"abstract_inverted_index":{"It":[0],"is":[1,83,92],"well":[2],"known":[3],"that":[4,36,111],"in":[5,19,97,112,120,132],"practice,":[6],"MIMO":[7,21,46,114],"channels":[8],"usually":[9],"exhibit":[10],"strong":[11],"line-of-sight":[12],"(LoS)":[13],"components.":[14],"However,":[15],"common":[16],"codebook":[17,130],"designs":[18],"precoded":[20],"rely":[22],"heavily":[23],"on":[24],"the":[25,73,138],"assumption":[26],"of":[27,72,134,141],"i.i.d":[28],"Rayleigh":[29],"fading.":[30],"Therefore,":[31],"designing":[32],"practical":[33],"unitary":[34],"precoders":[35],"are":[37],"suited":[38],"for":[39],"realistic":[40],"channel":[41,78,98],"condition":[42],"(such":[43],"as":[44],"Rician":[45,113],"channel)":[47],"becomes":[48],"an":[49,84],"interesting":[50],"topic":[51],"to":[52,59,64,76,95,109],"investigate.":[53],"In":[54],"this":[55,66],"paper,":[56],"we":[57,105],"propose":[58],"use":[60,106],"trellis":[61,81],"exploration":[62],"algorithm":[63],"accomplish":[65],"objective":[67],"by":[68],"adapting":[69],"each":[70],"entry":[71],"precoding":[74,90],"matrix":[75],"instantaneous":[77],"realizations.":[79],"Since":[80],"search":[82],"on-line":[85],"learning":[86],"approach,":[87],"our":[88,116],"proposed":[89,117],"scheme":[91],"more":[93],"adaptive":[94],"variations":[96],"propagations":[99],"than":[100,123],"off-line":[101],"designed":[102],"codebooks.":[103],"Specifically,":[104],"simulation":[107],"results":[108,119],"show":[110],"channel,":[115],"approach":[118],"better":[121],"performance":[122],"Grassmannian":[124],"line/space":[125],"packing":[126],"and":[127],"typical":[128],"DFT":[129],"design":[131],"terms":[133],"ergodic":[135],"capacity,":[136],"under":[137],"same":[139],"amount":[140],"feedback":[142],"bits.":[143]},"counts_by_year":[{"year":2020,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}