{"id":"https://openalex.org/W2054747483","doi":"https://doi.org/10.1109/wcnc.2012.6214491","title":"Prediction based quantization and optimization for transmit beamforming MIMO with outdated channel direction information","display_name":"Prediction based quantization and optimization for transmit beamforming MIMO with outdated channel direction information","publication_year":2012,"publication_date":"2012-04-01","ids":{"openalex":"https://openalex.org/W2054747483","doi":"https://doi.org/10.1109/wcnc.2012.6214491","mag":"2054747483"},"language":"en","primary_location":{"id":"doi:10.1109/wcnc.2012.6214491","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc.2012.6214491","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE Wireless Communications and Networking Conference (WCNC)","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":[],"countries":[],"is_corresponding":false,"raw_author_name":"Dalin Zhu","raw_affiliation_strings":["The Department of Wireless Communications, NEC Laboratories China, Beijing, China","The Department of Wireless Communications, NEC Laboratories China (NLC), 11F Bldg. A, Innovation Plaza TusPark, Beijing, China 100084"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Department of Wireless Communications, NEC Laboratories China, Beijing, China","institution_ids":[]},{"raw_affiliation_string":"The Department of Wireless Communications, NEC Laboratories China (NLC), 11F Bldg. A, Innovation Plaza TusPark, Beijing, China 100084","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100433656","display_name":"Yu Zhang","orcid":"https://orcid.org/0000-0002-9736-8244"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yu Zhang","raw_affiliation_strings":["The Department of Wireless Communications, NEC Laboratories China, Beijing, China","The Department of Wireless Communications, NEC Laboratories China (NLC), 11F Bldg. A, Innovation Plaza TusPark, Beijing, China 100084"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Department of Wireless Communications, NEC Laboratories China, Beijing, China","institution_ids":[]},{"raw_affiliation_string":"The Department of Wireless Communications, NEC Laboratories China (NLC), 11F Bldg. A, Innovation Plaza TusPark, Beijing, China 100084","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100367467","display_name":"Gang Wang","orcid":"https://orcid.org/0000-0003-4088-0009"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Gang Wang","raw_affiliation_strings":["The Department of Wireless Communications, NEC Laboratories China, Beijing, China","The Department of Wireless Communications, NEC Laboratories China (NLC), 11F Bldg. A, Innovation Plaza TusPark, Beijing, China 100084"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Department of Wireless Communications, NEC Laboratories China, Beijing, China","institution_ids":[]},{"raw_affiliation_string":"The Department of Wireless Communications, NEC Laboratories China (NLC), 11F Bldg. A, Innovation Plaza TusPark, Beijing, China 100084","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5013642287","display_name":"Ming Lei","orcid":"https://orcid.org/0000-0003-4696-9346"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ming Lei","raw_affiliation_strings":["The Department of Wireless Communications, NEC Laboratories China, Beijing, China","The Department of Wireless Communications, NEC Laboratories China (NLC), 11F Bldg. A, Innovation Plaza TusPark, Beijing, China 100084"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Department of Wireless Communications, NEC Laboratories China, Beijing, China","institution_ids":[]},{"raw_affiliation_string":"The Department of Wireless Communications, NEC Laboratories China (NLC), 11F Bldg. A, Innovation Plaza TusPark, Beijing, China 100084","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.2455,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.60021473,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"852","last_page":"857"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9997000098228455,"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":0.9997000098228455,"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":0.9894999861717224,"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":0.9864000082015991,"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/quantization","display_name":"Quantization (signal processing)","score":0.8301168084144592},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.7719135284423828},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.7252955436706543},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.701225757598877},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6366820931434631},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.5106881260871887},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5097081661224365},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.4726090729236603},{"id":"https://openalex.org/keywords/coding","display_name":"Coding (social sciences)","score":0.468568354845047},{"id":"https://openalex.org/keywords/grassmannian","display_name":"Grassmannian","score":0.4382723569869995},{"id":"https://openalex.org/keywords/encoding","display_name":"Encoding (memory)","score":0.43109390139579773},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4109095633029938},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.24256202578544617},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2133299708366394},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.16257494688034058}],"concepts":[{"id":"https://openalex.org/C28855332","wikidata":"https://www.wikidata.org/wiki/Q198099","display_name":"Quantization (signal processing)","level":2,"score":0.8301168084144592},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.7719135284423828},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7252955436706543},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.701225757598877},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6366820931434631},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.5106881260871887},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5097081661224365},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.4726090729236603},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.468568354845047},{"id":"https://openalex.org/C162929932","wikidata":"https://www.wikidata.org/wiki/Q129638","display_name":"Grassmannian","level":2,"score":0.4382723569869995},{"id":"https://openalex.org/C125411270","wikidata":"https://www.wikidata.org/wiki/Q18653","display_name":"Encoding (memory)","level":2,"score":0.43109390139579773},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4109095633029938},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.24256202578544617},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2133299708366394},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.16257494688034058},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","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/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/wcnc.2012.6214491","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc.2012.6214491","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE Wireless Communications and Networking Conference (WCNC)","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":25,"referenced_works":["https://openalex.org/W250076511","https://openalex.org/W1557324374","https://openalex.org/W1885169860","https://openalex.org/W1965392255","https://openalex.org/W2026892575","https://openalex.org/W2045512849","https://openalex.org/W2074863717","https://openalex.org/W2096223732","https://openalex.org/W2099238939","https://openalex.org/W2108202224","https://openalex.org/W2110208361","https://openalex.org/W2113271807","https://openalex.org/W2118687148","https://openalex.org/W2120898255","https://openalex.org/W2130256523","https://openalex.org/W2130521103","https://openalex.org/W2135766253","https://openalex.org/W2138172765","https://openalex.org/W2142302544","https://openalex.org/W2149684933","https://openalex.org/W2161515500","https://openalex.org/W2169297632","https://openalex.org/W2489939258","https://openalex.org/W4234910518","https://openalex.org/W6639540368"],"related_works":["https://openalex.org/W4281688526","https://openalex.org/W2152088989","https://openalex.org/W2756419127","https://openalex.org/W4366493479","https://openalex.org/W2905893439","https://openalex.org/W3135374966","https://openalex.org/W2554517556","https://openalex.org/W2953205382","https://openalex.org/W1994906402","https://openalex.org/W4285231928"],"abstract_inverted_index":{"In":[0,58,98],"transmit":[1,70],"beamforming":[2,71],"multi-antenna":[3],"systems,":[4],"the":[5,17,36,46,62,76,89,91,102,107,111,118,126],"representative":[6],"quantized":[7],"channel":[8],"direction":[9],"information":[10],"(CDI)":[11],"may":[12,49],"become":[13],"outdated":[14],"due":[15],"to":[16,31,73],"feedback":[18,56,77],"delay.":[19,78],"Grassmannian":[20],"predictive":[21],"coding":[22],"(GPC)":[23],"has":[24],"been":[25],"shown":[26],"as":[27,45],"an":[28],"effective":[29],"method":[30],"overcome":[32],"this":[33,59],"problem.":[34],"However,":[35],"existing":[37],"GPC":[38],"algorithm":[39,124],"is":[40],"still":[41],"of":[42,64,106,120],"practical":[43],"concern":[44],"quantization":[47,85,113],"resolution":[48],"not":[50],"be":[51,95],"ensured":[52],"at":[53],"relatively":[54],"low":[55],"rate.":[57],"paper,":[60],"under":[61],"framework":[63],"GPC,":[65],"we":[66,100],"propose":[67],"a":[68,81],"novel":[69],"scheme":[72,109],"account":[74],"for":[75],"By":[79],"designing":[80],"new":[82],"prediction":[83],"based":[84],"function":[86],"and":[87,125],"optimizing":[88],"prediction,":[90],"forthcoming":[92],"CDI":[93],"can":[94],"accurately":[96],"tracked.":[97],"addition,":[99],"analyze":[101],"achievable":[103],"rate/througput":[104],"gain":[105,129],"proposed":[108,122],"over":[110],"memoryless":[112],"approach.":[114],"Numerical":[115],"results":[116],"validate":[117],"effectiveness":[119],"our":[121],"encoding/decoding":[123],"derived":[127],"rate":[128],"upper":[130],"limit.":[131]},"counts_by_year":[{"year":2012,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}