{"id":"https://openalex.org/W2166765461","doi":"https://doi.org/10.1109/pimrc.2011.6139658","title":"Efficient mm-Wave beamforming protocol for group environments","display_name":"Efficient mm-Wave beamforming protocol for group environments","publication_year":2011,"publication_date":"2011-09-01","ids":{"openalex":"https://openalex.org/W2166765461","doi":"https://doi.org/10.1109/pimrc.2011.6139658","mag":"2166765461"},"language":"en","primary_location":{"id":"doi:10.1109/pimrc.2011.6139658","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc.2011.6139658","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE 22nd International Symposium on Personal, Indoor and Mobile Radio Communications","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/A5046867329","display_name":"Jussi Haapola","orcid":"https://orcid.org/0000-0003-2512-8660"},"institutions":[{"id":"https://openalex.org/I201537933","display_name":"Tohoku University","ror":"https://ror.org/01dq60k83","country_code":"JP","type":"education","lineage":["https://openalex.org/I201537933"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Jussi Haapola","raw_affiliation_strings":["Research Institute of Electrical Communications, University of Tohoku, Aoba, Sendai, Japan"],"affiliations":[{"raw_affiliation_string":"Research Institute of Electrical Communications, University of Tohoku, Aoba, Sendai, Japan","institution_ids":["https://openalex.org/I201537933"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5018363736","display_name":"Shuzo Kato","orcid":"https://orcid.org/0000-0003-1176-907X"},"institutions":[{"id":"https://openalex.org/I201537933","display_name":"Tohoku University","ror":"https://ror.org/01dq60k83","country_code":"JP","type":"education","lineage":["https://openalex.org/I201537933"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shuzo Kato","raw_affiliation_strings":["Research Institute of Electrical Communications, University of Tohoku, Aoba, Sendai, Japan"],"affiliations":[{"raw_affiliation_string":"Research Institute of Electrical Communications, University of Tohoku, Aoba, Sendai, Japan","institution_ids":["https://openalex.org/I201537933"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5046867329"],"corresponding_institution_ids":["https://openalex.org/I201537933"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.17044137,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1056","last_page":"1060"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"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"}},"topics":[{"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"}},{"id":"https://openalex.org/T10262","display_name":"Microwave Engineering and Waveguides","score":0.9943000078201294,"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":0.9940000176429749,"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/beamforming","display_name":"Beamforming","score":0.8600754737854004},{"id":"https://openalex.org/keywords/superframe","display_name":"Superframe","score":0.8318076133728027},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6812222599983215},{"id":"https://openalex.org/keywords/synchronization","display_name":"Synchronization (alternating current)","score":0.6363290548324585},{"id":"https://openalex.org/keywords/protocol","display_name":"Protocol (science)","score":0.6314653754234314},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.6199468374252319},{"id":"https://openalex.org/keywords/exploit","display_name":"Exploit","score":0.5066233277320862},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4192143976688385},{"id":"https://openalex.org/keywords/inefficiency","display_name":"Inefficiency","score":0.4138650596141815},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.3559054136276245},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.28275346755981445},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.15668481588363647},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.13484668731689453}],"concepts":[{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.8600754737854004},{"id":"https://openalex.org/C137607620","wikidata":"https://www.wikidata.org/wiki/Q7643384","display_name":"Superframe","level":3,"score":0.8318076133728027},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6812222599983215},{"id":"https://openalex.org/C2778562939","wikidata":"https://www.wikidata.org/wiki/Q1298791","display_name":"Synchronization (alternating current)","level":3,"score":0.6363290548324585},{"id":"https://openalex.org/C2780385302","wikidata":"https://www.wikidata.org/wiki/Q367158","display_name":"Protocol (science)","level":3,"score":0.6314653754234314},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.6199468374252319},{"id":"https://openalex.org/C165696696","wikidata":"https://www.wikidata.org/wiki/Q11287","display_name":"Exploit","level":2,"score":0.5066233277320862},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4192143976688385},{"id":"https://openalex.org/C2778869765","wikidata":"https://www.wikidata.org/wiki/Q6028363","display_name":"Inefficiency","level":2,"score":0.4138650596141815},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.3559054136276245},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.28275346755981445},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.15668481588363647},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.13484668731689453},{"id":"https://openalex.org/C175444787","wikidata":"https://www.wikidata.org/wiki/Q39072","display_name":"Microeconomics","level":1,"score":0.0},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0},{"id":"https://openalex.org/C204787440","wikidata":"https://www.wikidata.org/wiki/Q188504","display_name":"Alternative medicine","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/pimrc.2011.6139658","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc.2011.6139658","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE 22nd International Symposium on Personal, Indoor and Mobile Radio Communications","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":2,"referenced_works":["https://openalex.org/W2079234285","https://openalex.org/W4210493863"],"related_works":["https://openalex.org/W2887829875","https://openalex.org/W4256241842","https://openalex.org/W4253089905","https://openalex.org/W3208412627","https://openalex.org/W17155033","https://openalex.org/W3121784021","https://openalex.org/W4220929573","https://openalex.org/W3207760230","https://openalex.org/W1496222301","https://openalex.org/W115748697"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"group":[3,66,91,116,136],"training":[4,30,67,92,117,137],"protocols":[5,68],"for":[6],"beamforming":[7,81,112],"of":[8,16,38],"multiple":[9],"devices":[10,76,151],"are":[11,119],"proposed":[12,65],"in":[13,47,82,125],"the":[14,17,36,48,70,90,95,98,106,115,140,159],"context":[15],"IEEE":[18],"802.15.3c":[19],"standard":[20,25,110],"using":[21,121],"single":[22],"carrier.":[23],"The":[24,64,109,132],"defined":[26,111],"sector":[27],"and":[28,114,128],"beam-level":[29,144],"sequences":[31],"function":[32],"well":[33],"if":[34],"only":[35,149],"establishment":[37],"one":[39],"or":[40,54,74],"two":[41,73,150],"communication":[42],"links":[43],"is":[44],"required,":[45],"but":[46],"case":[49],"of,":[50],"e.g.":[51],"interactive":[52],"gaming":[53],"conference":[55],"room":[56],"environment":[57],"it":[58],"can":[59,138],"lead":[60],"to":[61,78,84,142,153],"considerable":[62],"inefficiency.":[63],"address":[69],"cases":[71],"where":[72],"more":[75],"need":[77,152],"carry":[79],"out":[80],"order":[83],"communicate":[85],"with":[86,158],"each":[87],"other.":[88],"Moreover,":[89],"method":[93],"exploits":[94],"knowledge":[96],"that":[97,135],"personal":[99],"area":[100],"network":[101],"coordinator":[102],"already":[103],"has":[104],"on":[105],"associated":[107],"devices.":[108],"protocol":[113],"proposals":[118],"evaluated":[120],"varying":[122],"superframe":[123],"lengths":[124],"both":[126],"symmetric":[127],"asymmetric":[129],"antenna":[130],"systems.":[131],"results":[133],"show":[134],"reduce":[139],"time":[141],"achieve":[143],"synchronization":[145],"considerably":[146],"even":[147],"when":[148],"connect":[154],"while":[155],"staying":[156],"compliant":[157],"standard.":[160]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}