{"id":"https://openalex.org/W2111628053","doi":"https://doi.org/10.1109/glocom.2011.6133568","title":"Predictive Unitary Precoding for Spatial Multiplexing Systems in Temporally Correlated MIMO Channels with Delayed Limited Feedback","display_name":"Predictive Unitary Precoding for Spatial Multiplexing Systems in Temporally Correlated MIMO Channels with Delayed Limited Feedback","publication_year":2011,"publication_date":"2011-12-01","ids":{"openalex":"https://openalex.org/W2111628053","doi":"https://doi.org/10.1109/glocom.2011.6133568","mag":"2111628053"},"language":"en","primary_location":{"id":"doi:10.1109/glocom.2011.6133568","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2011.6133568","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE Global Telecommunications Conference - GLOBECOM 2011","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/A5103217980","display_name":"Yu Zhang","orcid":"https://orcid.org/0000-0001-7092-969X"},"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":"Yu Zhang","raw_affiliation_strings":["NEC Laboratories, Beijing, China","NEC Labs. China, Beijing, China"],"affiliations":[{"raw_affiliation_string":"NEC Laboratories, Beijing, China","institution_ids":["https://openalex.org/I4210149379"]},{"raw_affiliation_string":"NEC Labs. China, Beijing, China","institution_ids":["https://openalex.org/I4210149379"]}]},{"author_position":"middle","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":false,"raw_author_name":"Dalin Zhu","raw_affiliation_strings":["NEC Laboratories, Beijing, China","NEC Labs. China, Beijing, China"],"affiliations":[{"raw_affiliation_string":"NEC Laboratories, Beijing, China","institution_ids":["https://openalex.org/I4210149379"]},{"raw_affiliation_string":"NEC Labs. China, Beijing, China","institution_ids":["https://openalex.org/I4210149379"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5040267294","display_name":"Zhennian Sun","orcid":null},"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":false,"raw_author_name":"Zhennian Sun","raw_affiliation_strings":["NEC Laboratories, Beijing, China","NEC Labs. China, Beijing, China"],"affiliations":[{"raw_affiliation_string":"NEC Laboratories, Beijing, China","institution_ids":["https://openalex.org/I4210149379"]},{"raw_affiliation_string":"NEC Labs. China, Beijing, China","institution_ids":["https://openalex.org/I4210149379"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5013642287","display_name":"Ming Lei","orcid":"https://orcid.org/0000-0003-4696-9346"},"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":false,"raw_author_name":"Ming Lei","raw_affiliation_strings":["NEC Laboratories, Beijing, China","NEC Labs. China, Beijing, China"],"affiliations":[{"raw_affiliation_string":"NEC Laboratories, Beijing, China","institution_ids":["https://openalex.org/I4210149379"]},{"raw_affiliation_string":"NEC Labs. China, Beijing, China","institution_ids":["https://openalex.org/I4210149379"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5103217980"],"corresponding_institution_ids":["https://openalex.org/I4210149379"],"apc_list":null,"apc_paid":null,"fwci":0.5299,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.71320502,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":96},"biblio":{"volume":null,"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":0.9998999834060669,"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":0.9998999834060669,"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9987999796867371,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9980000257492065,"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":0.8717813491821289},{"id":"https://openalex.org/keywords/spatial-multiplexing","display_name":"Spatial multiplexing","score":0.7555158138275146},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.7454931735992432},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.7257595062255859},{"id":"https://openalex.org/keywords/subspace-topology","display_name":"Subspace topology","score":0.6408771276473999},{"id":"https://openalex.org/keywords/vector-quantization","display_name":"Vector quantization","score":0.6227002143859863},{"id":"https://openalex.org/keywords/grassmannian","display_name":"Grassmannian","score":0.6054584980010986},{"id":"https://openalex.org/keywords/quantization","display_name":"Quantization (signal processing)","score":0.5773617625236511},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5586016774177551},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.535125732421875},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.5308566689491272},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.5031208395957947},{"id":"https://openalex.org/keywords/spatial-correlation","display_name":"Spatial correlation","score":0.41309282183647156},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3902416229248047},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.20355981588363647},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.17901182174682617},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.16036656498908997}],"concepts":[{"id":"https://openalex.org/C127759330","wikidata":"https://www.wikidata.org/wiki/Q637416","display_name":"Codebook","level":2,"score":0.8717813491821289},{"id":"https://openalex.org/C85884896","wikidata":"https://www.wikidata.org/wiki/Q7574075","display_name":"Spatial multiplexing","level":4,"score":0.7555158138275146},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.7454931735992432},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7257595062255859},{"id":"https://openalex.org/C32834561","wikidata":"https://www.wikidata.org/wiki/Q660730","display_name":"Subspace topology","level":2,"score":0.6408771276473999},{"id":"https://openalex.org/C199833920","wikidata":"https://www.wikidata.org/wiki/Q612536","display_name":"Vector quantization","level":2,"score":0.6227002143859863},{"id":"https://openalex.org/C162929932","wikidata":"https://www.wikidata.org/wiki/Q129638","display_name":"Grassmannian","level":2,"score":0.6054584980010986},{"id":"https://openalex.org/C28855332","wikidata":"https://www.wikidata.org/wiki/Q198099","display_name":"Quantization (signal processing)","level":2,"score":0.5773617625236511},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5586016774177551},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.535125732421875},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.5308566689491272},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.5031208395957947},{"id":"https://openalex.org/C150060386","wikidata":"https://www.wikidata.org/wiki/Q7574054","display_name":"Spatial correlation","level":2,"score":0.41309282183647156},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3902416229248047},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.20355981588363647},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.17901182174682617},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.16036656498908997},{"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/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/glocom.2011.6133568","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2011.6133568","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE Global Telecommunications Conference - GLOBECOM 2011","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W1596939795","https://openalex.org/W1949248870","https://openalex.org/W2033214099","https://openalex.org/W2042126230","https://openalex.org/W2045512849","https://openalex.org/W2096223732","https://openalex.org/W2115366714","https://openalex.org/W2122492335","https://openalex.org/W2130667916","https://openalex.org/W2137091777","https://openalex.org/W2151764453","https://openalex.org/W2154102565","https://openalex.org/W2161515500","https://openalex.org/W2171231808","https://openalex.org/W2556701732","https://openalex.org/W4212888567","https://openalex.org/W4246954948"],"related_works":["https://openalex.org/W2148772884","https://openalex.org/W2017514583","https://openalex.org/W2100120615","https://openalex.org/W2147406819","https://openalex.org/W2352648934","https://openalex.org/W1929869830","https://openalex.org/W2387054321","https://openalex.org/W2017401491","https://openalex.org/W2062765737","https://openalex.org/W2012827167"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3],"propose":[4],"a":[5],"quantized":[6],"predictive":[7],"precoding":[8],"scheme":[9],"for":[10,34,45],"spatial":[11],"multiplexing":[12],"multiple-":[13],"input":[14],"multiple-output":[15],"(MIMO)":[16],"systems":[17],"with":[18,64],"delayed":[19],"feedback.":[20],"A":[21],"geodesic":[22,87],"transmit":[23,32,46],"subspace":[24,33,47,82],"prediction":[25],"algorithm":[26],"is":[27,49,75],"designed":[28],"to":[29,51],"predict":[30],"the":[31,35,39,53,69,72,85,91,97],"forthcoming":[36],"transmission":[37],"at":[38],"receiver.":[40],"An":[41],"infrequently":[42],"updated":[43],"codebook":[44],"quantization":[48,54,94],"developed":[50],"improve":[52],"resolution.":[55],"Numerical":[56],"results":[57],"show":[58],"that":[59],"in":[60],"various":[61],"time-varying":[62],"channels":[63],"unit":[65],"step":[66],"feedback":[67,88,102],"delay":[68],"performance":[70],"of":[71],"proposed":[73,79],"approach":[74],"better":[76],"than":[77],"previously":[78],"memoryless":[80],"Grassmannian":[81],"packing":[83],"scheme,":[84],"1-bit":[86],"algorithm,":[89,95],"and":[90],"Gaussian":[92],"vector":[93],"under":[96],"same":[98],"or":[99],"even":[100],"lower":[101],"rate.":[103]},"counts_by_year":[{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
