{"id":"https://openalex.org/W2218081809","doi":"https://doi.org/10.1109/jcn.2007.6182833","title":"MIMO precoding in 802.16e WiMAX","display_name":"MIMO precoding in 802.16e WiMAX","publication_year":2007,"publication_date":"2007-06-01","ids":{"openalex":"https://openalex.org/W2218081809","doi":"https://doi.org/10.1109/jcn.2007.6182833","mag":"2218081809"},"language":"en","primary_location":{"id":"doi:10.1109/jcn.2007.6182833","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jcn.2007.6182833","pdf_url":null,"source":{"id":"https://openalex.org/S173102057","display_name":"Journal of Communications and Networks","issn_l":"1229-2370","issn":["1229-2370","1976-5541"],"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":"Journal of Communications and Networks","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/A5100670298","display_name":"Qinghua Li","orcid":"https://orcid.org/0000-0001-5291-1445"},"institutions":[{"id":"https://openalex.org/I1343180700","display_name":"Intel (United States)","ror":"https://ror.org/01ek73717","country_code":"US","type":"company","lineage":["https://openalex.org/I1343180700"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Qinghua Li","raw_affiliation_strings":["Intel Corporation, Santa Clara, CA","Intel Corporation, Santa Clara, CA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Intel Corporation, Santa Clara, CA","institution_ids":["https://openalex.org/I1343180700"]},{"raw_affiliation_string":"Intel Corporation, Santa Clara, CA, USA","institution_ids":["https://openalex.org/I1343180700"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108705787","display_name":"Xintian Eddie Lin","orcid":null},"institutions":[{"id":"https://openalex.org/I1343180700","display_name":"Intel (United States)","ror":"https://ror.org/01ek73717","country_code":"US","type":"company","lineage":["https://openalex.org/I1343180700"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Xintian Eddie Lin","raw_affiliation_strings":["Intel Corporation, Santa Clara, CA","Intel Corporation, Santa Clara, CA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Intel Corporation, Santa Clara, CA","institution_ids":["https://openalex.org/I1343180700"]},{"raw_affiliation_string":"Intel Corporation, Santa Clara, CA, USA","institution_ids":["https://openalex.org/I1343180700"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100442199","display_name":"Jianzhong Zhang","orcid":"https://orcid.org/0000-0001-7056-8206"},"institutions":[{"id":"https://openalex.org/I162577319","display_name":"The University of Texas at Dallas","ror":"https://ror.org/049emcs32","country_code":"US","type":"education","lineage":["https://openalex.org/I162577319"]},{"id":"https://openalex.org/I4210101778","display_name":"Samsung (United States)","ror":"https://ror.org/01bfbvm65","country_code":"US","type":"company","lineage":["https://openalex.org/I2250650973","https://openalex.org/I4210101778"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jianzhong Zhang","raw_affiliation_strings":["Samsung, Richardson, TX","Samsung, Richardson, TX, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Samsung, Richardson, TX","institution_ids":["https://openalex.org/I162577319","https://openalex.org/I4210101778"]},{"raw_affiliation_string":"Samsung, Richardson, TX, USA","institution_ids":["https://openalex.org/I4210101778"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.4822,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":{"value":0.89747552,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"9","issue":"2","first_page":"141","last_page":"149"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9998000264167786,"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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9998000264167786,"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":0.9994999766349792,"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/T10575","display_name":"Wireless Communication Networks Research","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"}}],"keywords":[{"id":"https://openalex.org/keywords/codebook","display_name":"Codebook","score":0.9429644346237183},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.861650288105011},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.8123167753219604},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6875031590461731},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.6730285882949829},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.5574399828910828},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.5405565500259399},{"id":"https://openalex.org/keywords/wimax","display_name":"WiMAX","score":0.5210606455802917},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.42743057012557983},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.39586859941482544},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3681321442127228},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.3669673800468445},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3500678539276123},{"id":"https://openalex.org/keywords/computer-engineering","display_name":"Computer engineering","score":0.32873648405075073},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2780802547931671}],"concepts":[{"id":"https://openalex.org/C127759330","wikidata":"https://www.wikidata.org/wiki/Q637416","display_name":"Codebook","level":2,"score":0.9429644346237183},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.861650288105011},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.8123167753219604},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6875031590461731},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.6730285882949829},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.5574399828910828},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.5405565500259399},{"id":"https://openalex.org/C113950482","wikidata":"https://www.wikidata.org/wiki/Q133973","display_name":"WiMAX","level":3,"score":0.5210606455802917},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.42743057012557983},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.39586859941482544},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3681321442127228},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.3669673800468445},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3500678539276123},{"id":"https://openalex.org/C113775141","wikidata":"https://www.wikidata.org/wiki/Q428691","display_name":"Computer engineering","level":1,"score":0.32873648405075073},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2780802547931671},{"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/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jcn.2007.6182833","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jcn.2007.6182833","pdf_url":null,"source":{"id":"https://openalex.org/S173102057","display_name":"Journal of Communications and Networks","issn_l":"1229-2370","issn":["1229-2370","1976-5541"],"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":"Journal of Communications and Networks","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.8100000023841858}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W166409393","https://openalex.org/W205763652","https://openalex.org/W1490015275","https://openalex.org/W1561726166","https://openalex.org/W1604727221","https://openalex.org/W1981745143","https://openalex.org/W1999542175","https://openalex.org/W2035469609","https://openalex.org/W2038085771","https://openalex.org/W2099652160","https://openalex.org/W2118458358","https://openalex.org/W2120350343","https://openalex.org/W2135428929","https://openalex.org/W2145720856","https://openalex.org/W2149953717","https://openalex.org/W2154102565","https://openalex.org/W2163599171","https://openalex.org/W2170678594","https://openalex.org/W2330078975","https://openalex.org/W2740843140","https://openalex.org/W3133603318","https://openalex.org/W4285719527","https://openalex.org/W4293005804","https://openalex.org/W4362230038","https://openalex.org/W6608336770","https://openalex.org/W6633738730","https://openalex.org/W6674950968","https://openalex.org/W6679484259","https://openalex.org/W6680210310","https://openalex.org/W6681952170","https://openalex.org/W6741927915"],"related_works":["https://openalex.org/W3207918248","https://openalex.org/W2123156148","https://openalex.org/W2130785056","https://openalex.org/W2109733478","https://openalex.org/W2506626932","https://openalex.org/W2037755532","https://openalex.org/W2620095399","https://openalex.org/W1488668773","https://openalex.org/W2006021297","https://openalex.org/W4288602396"],"abstract_inverted_index":{"Multiple-input":[0],"multiple-output":[1],"(MIMO)":[2],"transmit":[3],"precoding/beamforming":[4],"can":[5],"significantly":[6],"improve":[7],"system":[8],"spectral":[9],"efficiency.":[10],"However,":[11],"several":[12],"obstacles":[13],"prevent":[14],"preceding":[15,48,68],"from":[16,70,103],"wide":[17],"deployment":[18],"in":[19,153],"early":[20],"wireless":[21],"networks:":[22],"The":[23,122],"significant":[24,132],"feedback":[25,31,62,115],"overhead,":[26],"performance":[27],"degradation":[28],"due":[29],"to":[30,65,79,87,135],"delay,":[32],"and":[33,90,97,110,128,138],"the":[34,39,104,114,149],"large":[35,98],"storage":[36],"requirement":[37],"at":[38],"mobile":[40],"devices.":[41],"In":[42,54],"this":[43,55],"paper,":[44],"we":[45,129],"propose":[46],"a":[47,67,71,80,146],"method":[49,109],"that":[50],"addresses":[51],"these":[52],"issues.":[53],"approach,":[56],"only":[57],"3":[58],"or":[59],"6":[60],"bits":[61],"is":[63,117,124],"needed":[64],"select":[66],"matrix":[69],"codebook.":[72],"There":[73],"are":[74,95,100],"fifteen":[75],"codebooks,":[76],"each":[77],"corresponding":[78],"unique":[81],"combination":[82],"of":[83,148],"antenna":[84,139],"configuration":[85],"(up":[86],"4":[88],"antennas)":[89],"codebook":[91],"size.":[92],"Small":[93],"codebooks":[94,99],"prestored":[96,105],"efficiently":[101],"computed":[102],"codebook,":[106],"modified":[107],"Hochwald":[108],"Householder":[111],"reflection.":[112],"Finally,":[113],"delay":[116],"compensated":[118],"by":[119,126],"channel":[120],"prediction.":[121],"scheme":[123],"validated":[125],"simulations":[127],"have":[130],"observed":[131],"gains":[133],"comparing":[134],"space-time":[136],"coding":[137],"selection.":[140],"This":[141],"solution":[142],"was":[143],"adopted":[144],"as":[145],"part":[147],"IEEE":[150],"802.16e":[151],"specification":[152],"2005.":[154]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
