{"id":"https://openalex.org/W2099475664","doi":"https://doi.org/10.1109/infcom.2009.5062199","title":"Towards Adaptive Beamforming in Indoor Wireless Networks: An Experimental Approach","display_name":"Towards Adaptive Beamforming in Indoor Wireless Networks: An Experimental Approach","publication_year":2009,"publication_date":"2009-04-01","ids":{"openalex":"https://openalex.org/W2099475664","doi":"https://doi.org/10.1109/infcom.2009.5062199","mag":"2099475664"},"language":"en","primary_location":{"id":"doi:10.1109/infcom.2009.5062199","is_oa":false,"landing_page_url":"https://doi.org/10.1109/infcom.2009.5062199","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE INFOCOM 2009","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/A5054020352","display_name":"Aparna Lakshmanan S","orcid":"https://orcid.org/0000-0002-2453-9348"},"institutions":[{"id":"https://openalex.org/I130701444","display_name":"Georgia Institute of Technology","ror":"https://ror.org/01zkghx44","country_code":"US","type":"education","lineage":["https://openalex.org/I130701444"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"S. Lakshmanan","raw_affiliation_strings":["Sch. of ECE, Georgia Inst. of Technol., Atlanta, GA","School of ECE, Georgia Institute of Technology, USA"],"affiliations":[{"raw_affiliation_string":"Sch. of ECE, Georgia Inst. of Technol., Atlanta, GA","institution_ids":["https://openalex.org/I130701444"]},{"raw_affiliation_string":"School of ECE, Georgia Institute of Technology, USA","institution_ids":["https://openalex.org/I130701444"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018752163","display_name":"Karthikeyan Sundaresan","orcid":"https://orcid.org/0000-0002-8089-4264"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"K. Sundaresan","raw_affiliation_strings":["NEC Laboratories of America, Inc., Princeton, USA"],"affiliations":[{"raw_affiliation_string":"NEC Laboratories of America, Inc., Princeton, USA","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062098685","display_name":"Ravi Kokku","orcid":"https://orcid.org/0000-0001-6418-1689"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"R. Kokku","raw_affiliation_strings":["NEC Laboratories of America, Inc., Princeton, USA"],"affiliations":[{"raw_affiliation_string":"NEC Laboratories of America, Inc., Princeton, USA","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025309207","display_name":"A. Khojestepour","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"A. Khojestepour","raw_affiliation_strings":["NEC Laboratories of America, Inc., Princeton, USA"],"affiliations":[{"raw_affiliation_string":"NEC Laboratories of America, Inc., Princeton, USA","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5077182120","display_name":"S. Rangarajan","orcid":"https://orcid.org/0000-0002-7446-4073"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"S. Rangarajan","raw_affiliation_strings":["NEC Laboratories of America, Inc., Princeton, USA"],"affiliations":[{"raw_affiliation_string":"NEC Laboratories of America, Inc., Princeton, USA","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5054020352"],"corresponding_institution_ids":["https://openalex.org/I130701444"],"apc_list":null,"apc_paid":null,"fwci":3.5889,"has_fulltext":false,"cited_by_count":29,"citation_normalized_percentile":{"value":0.92947886,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"2621","last_page":"2625"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9993000030517578,"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":0.9993000030517578,"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":0.9986000061035156,"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/T10069","display_name":"Antenna Design and Analysis","score":0.9973000288009644,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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":0.8750631213188171},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7359951734542847},{"id":"https://openalex.org/keywords/multipath-propagation","display_name":"Multipath propagation","score":0.6878534555435181},{"id":"https://openalex.org/keywords/testbed","display_name":"Testbed","score":0.6099058389663696},{"id":"https://openalex.org/keywords/wsdma","display_name":"WSDMA","score":0.5840311646461487},{"id":"https://openalex.org/keywords/software-defined-radio","display_name":"Software-defined radio","score":0.5618847012519836},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.5551290512084961},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4798014461994171},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.4690081775188446},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4640369415283203},{"id":"https://openalex.org/keywords/adaptive-beamformer","display_name":"Adaptive beamformer","score":0.4353610873222351},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.41580504179000854},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2709367871284485},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.23431441187858582},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.23211631178855896},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.19543564319610596},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.17371883988380432}],"concepts":[{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.8750631213188171},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7359951734542847},{"id":"https://openalex.org/C161218011","wikidata":"https://www.wikidata.org/wiki/Q11827794","display_name":"Multipath propagation","level":3,"score":0.6878534555435181},{"id":"https://openalex.org/C31395832","wikidata":"https://www.wikidata.org/wiki/Q1318674","display_name":"Testbed","level":2,"score":0.6099058389663696},{"id":"https://openalex.org/C57466844","wikidata":"https://www.wikidata.org/wiki/Q7955559","display_name":"WSDMA","level":5,"score":0.5840311646461487},{"id":"https://openalex.org/C171115542","wikidata":"https://www.wikidata.org/wiki/Q1331892","display_name":"Software-defined radio","level":2,"score":0.5618847012519836},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.5551290512084961},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4798014461994171},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.4690081775188446},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4640369415283203},{"id":"https://openalex.org/C33378366","wikidata":"https://www.wikidata.org/wiki/Q4680719","display_name":"Adaptive beamformer","level":3,"score":0.4353610873222351},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.41580504179000854},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2709367871284485},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.23431441187858582},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.23211631178855896},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.19543564319610596},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.17371883988380432},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/infcom.2009.5062199","is_oa":false,"landing_page_url":"https://doi.org/10.1109/infcom.2009.5062199","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE INFOCOM 2009","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.4399999976158142,"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W95793053","https://openalex.org/W1527452008","https://openalex.org/W1976640996","https://openalex.org/W1989460852","https://openalex.org/W2075081724","https://openalex.org/W2097122117","https://openalex.org/W2112384832","https://openalex.org/W2118548355","https://openalex.org/W2133111418","https://openalex.org/W2144366564","https://openalex.org/W2157875131","https://openalex.org/W2167980694","https://openalex.org/W2354005007","https://openalex.org/W4205347518"],"related_works":["https://openalex.org/W2593270938","https://openalex.org/W4251919781","https://openalex.org/W2548445082","https://openalex.org/W4367016400","https://openalex.org/W2047364771","https://openalex.org/W2196292687","https://openalex.org/W2057871041","https://openalex.org/W1554683696","https://openalex.org/W2537596517","https://openalex.org/W2121310541"],"abstract_inverted_index":{"Several":[0],"research":[1],"works":[2,33,40],"have":[3,34],"argued":[4],"that":[5,73,110,140],"adaptive":[6,50,180],"beamforming":[7,63,90,109,181],"has":[8],"the":[9,13,44,59,95,99,123,135,148,172,176],"potential":[10],"to":[11,37,126,163,174],"realize":[12],"high":[14],"spectral":[15],"efficiency":[16],"requirements":[17],"of":[18,49,79,82,86,97,179],"next-generation":[19],"wireless":[20],"standards,":[21],"and":[22,47,57,69,84,103,137,144,156],"is":[23,129],"especially":[24],"well-suited":[25],"for":[26,77,88,121],"multipath-rich":[27],"environments":[28],"such":[29],"as":[30],"indoors.":[31],"Most":[32,117],"been":[35],"limited":[36],"theory;":[38],"few":[39],"in":[41,91,114,160,182],"literature":[42],"address":[43,104,164],"practical":[45,80,108],"benefits":[46,81,178],"realizability":[48],"beamforming.":[51],"In":[52,94],"this":[53],"paper,":[54],"we":[55,101],"design":[56],"implement":[58],"first":[60],"indoor":[61,185],"WLAN":[62],"system":[64,162,173],"with":[65,107],"multi-element":[66],"array":[67],"antennas":[68],"software":[70],"radio":[71],"platforms,":[72],"forms":[74],"a":[75,127,183],"testbed":[76],"exploration":[78],"beamforming,":[83],"evaluation":[85],"algorithms":[87],"efficient":[89],"diverse":[92],"environments.":[93],"process":[96],"building":[98],"system,":[100],"identify":[102],"several":[105],"challenges":[106],"are":[111],"often":[112],"ignored":[113],"theoretical":[115],"works.":[116],"importantly,":[118],"channel":[119,150],"estimation":[120],"forming":[122],"best":[124],"beam":[125],"user":[128],"hindered":[130],"by":[131],"oscillator":[132],"drifts":[133],"on":[134],"transmitter":[136],"receiver":[138],"side":[139],"introduce":[141],"hard-to-isolate":[142],"phase":[143],"frequency":[145],"offsets":[146],"from":[147],"estimated":[149],"coefficients.":[151],"We":[152,170],"describe":[153],"these":[154],"issues":[155],"incorporate":[157],"novel":[158],"solutions":[159],"our":[161],"them":[165],"without":[166],"requiring":[167],"hardware":[168],"modifications.":[169],"use":[171],"demonstrate":[175],"realizable":[177],"typical":[184],"office":[186],"environment.":[187]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":4},{"year":2012,"cited_by_count":5}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}