{"id":"https://openalex.org/W2107538689","doi":"https://doi.org/10.1109/iscc.2009.5202222","title":"Transmit Beamforming multi-user MISO systems based on switched sub-codebook","display_name":"Transmit Beamforming multi-user MISO systems based on switched sub-codebook","publication_year":2009,"publication_date":"2009-07-01","ids":{"openalex":"https://openalex.org/W2107538689","doi":"https://doi.org/10.1109/iscc.2009.5202222","mag":"2107538689"},"language":"en","primary_location":{"id":"doi:10.1109/iscc.2009.5202222","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscc.2009.5202222","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE Symposium on Computers and 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/A5068288935","display_name":"Imen Sfaihi","orcid":null},"institutions":[{"id":"https://openalex.org/I55167344","display_name":"University of Kairouan","ror":"https://ror.org/024mpte60","country_code":"TN","type":"education","lineage":["https://openalex.org/I55167344"]}],"countries":["TN"],"is_corresponding":false,"raw_author_name":"Imen Sfaihi","raw_affiliation_strings":["ENIT, Communication System Laboratory, ISIGK, Kairouan University, Tunisia","ENIT, Commun. Syst. lab, ISIGK, Kairouan Univ., Tunisia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ENIT, Communication System Laboratory, ISIGK, Kairouan University, Tunisia","institution_ids":["https://openalex.org/I55167344"]},{"raw_affiliation_string":"ENIT, Commun. Syst. lab, ISIGK, Kairouan Univ., Tunisia","institution_ids":["https://openalex.org/I55167344"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028672523","display_name":"Noureddine Hamdi","orcid":"https://orcid.org/0000-0002-2223-2115"},"institutions":[{"id":"https://openalex.org/I176902721","display_name":"Carthage College","ror":"https://ror.org/00wkay776","country_code":"US","type":"education","lineage":["https://openalex.org/I176902721"]},{"id":"https://openalex.org/I179097149","display_name":"University of Carthage","ror":"https://ror.org/057x6za15","country_code":"TN","type":"education","lineage":["https://openalex.org/I179097149"]}],"countries":["TN","US"],"is_corresponding":false,"raw_author_name":"Noureddine Hamdi","raw_affiliation_strings":["ENIT, Communication System Laboratory, Carthage University, Tunisia","ENIT, Commun. Syst. lab, INSAT, Carthage Univ., Tunisia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ENIT, Communication System Laboratory, Carthage University, Tunisia","institution_ids":["https://openalex.org/I179097149"]},{"raw_affiliation_string":"ENIT, Commun. Syst. lab, INSAT, Carthage Univ., Tunisia","institution_ids":["https://openalex.org/I176902721"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5060658201","display_name":"Ammar Bouall\u00e8gue","orcid":null},"institutions":[{"id":"https://openalex.org/I63596082","display_name":"Tunis El Manar University","ror":"https://ror.org/029cgt552","country_code":"TN","type":"education","lineage":["https://openalex.org/I63596082"]}],"countries":["TN"],"is_corresponding":false,"raw_author_name":"Ammar Bouallegue","raw_affiliation_strings":["ENIT, Communication System Laboratory, Manar University, Tunisia","ENIT, Commun. Syst. lab, Manar Univ., Tunisia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ENIT, Communication System Laboratory, Manar University, Tunisia","institution_ids":["https://openalex.org/I63596082"]},{"raw_affiliation_string":"ENIT, Commun. Syst. lab, Manar Univ., Tunisia","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.3052,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.64215301,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"576","last_page":"580"},"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/T10125","display_name":"Advanced Wireless Communication Techniques","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":0.9987000226974487,"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":0.8606357574462891},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.7706810832023621},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5597039461135864},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.44240453839302063},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3958715498447418},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.20544639229774475},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.14080211520195007}],"concepts":[{"id":"https://openalex.org/C127759330","wikidata":"https://www.wikidata.org/wiki/Q637416","display_name":"Codebook","level":2,"score":0.8606357574462891},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.7706810832023621},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5597039461135864},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.44240453839302063},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3958715498447418},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.20544639229774475},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.14080211520195007}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iscc.2009.5202222","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscc.2009.5202222","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE Symposium on Computers and 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":15,"referenced_works":["https://openalex.org/W1496940124","https://openalex.org/W2025138368","https://openalex.org/W2074863717","https://openalex.org/W2083962008","https://openalex.org/W2113588842","https://openalex.org/W2124858630","https://openalex.org/W2132317875","https://openalex.org/W2149197605","https://openalex.org/W2152373327","https://openalex.org/W2153298783","https://openalex.org/W2161872841","https://openalex.org/W2917634273","https://openalex.org/W4239651601","https://openalex.org/W6629902689","https://openalex.org/W6681772557"],"related_works":["https://openalex.org/W3207918248","https://openalex.org/W2130785056","https://openalex.org/W2506626932","https://openalex.org/W2037755532","https://openalex.org/W2620095399","https://openalex.org/W1488668773","https://openalex.org/W2006021297","https://openalex.org/W4288602396","https://openalex.org/W2914555611","https://openalex.org/W4285192270"],"abstract_inverted_index":{"In":[0,19],"this":[1],"study,":[2],"we":[3],"consider":[4],"Multi-user":[5],"MISO":[6],"systems":[7],"based":[8],"on":[9],"Max-rate":[10],"Limited":[11],"Feedback":[12],"Transmit":[13],"Beamforming":[14,24],"with":[15],"B":[16],"feedback":[17,93],"bits.":[18],"the":[20,23,65,74,77,82,87,92,96,107,110],"proposed":[21,83,111],"idea,":[22],"codebook":[25],"{W":[26],"<sub":[27,31,46,54,57],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[28,32,35,39,47,55,58],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">i</sub>":[29],"}":[30],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">i=1</sub>":[33],"<sup":[34,38],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">N</sup>":[36],"(N=2":[37],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">B</sup>":[40],")":[41],"is":[42],"divided":[43],"into":[44],"n":[45],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">D</sub>":[48,59],"sub":[49],"codebooks,":[50],"such":[51],"as":[52],"D1,D2,..,D":[53],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">n</sub>":[56],".":[60],"At":[61],"each":[62],"channel":[63],"use,":[64],"transmitter":[66],"switches":[67],"to":[68,73,105],"a":[69],"given":[70],"sub-codebook":[71],"adaptively":[72],"user":[75],"owning":[76],"worst":[78],"case":[79],"performance.":[80],"Accordingly,":[81],"scheme":[84],"while":[85],"minimizes":[86],"use":[88],"of":[89,91,109],"bandwidth":[90],"channel,":[94],"enhances":[95],"fairness":[97],"among":[98],"users.":[99],"Simulation":[100],"results":[101],"have":[102],"been":[103],"used":[104],"show":[106],"performance":[108],"scheme.":[112]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}