{"id":"https://openalex.org/W2129866674","doi":"https://doi.org/10.1109/isit.2008.4595428","title":"Subspace beamforming with capacity-balancing channel decomposition","display_name":"Subspace beamforming with capacity-balancing channel decomposition","publication_year":2008,"publication_date":"2008-07-01","ids":{"openalex":"https://openalex.org/W2129866674","doi":"https://doi.org/10.1109/isit.2008.4595428","mag":"2129866674"},"language":"en","primary_location":{"id":"doi:10.1109/isit.2008.4595428","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit.2008.4595428","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2008 IEEE International Symposium on Information Theory","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/A5059941577","display_name":"S. Ariyavisitakul","orcid":null},"institutions":[{"id":"https://openalex.org/I1296127346","display_name":"Broadcom (Israel)","ror":"https://ror.org/01jsrac29","country_code":"IL","type":"company","lineage":["https://openalex.org/I1296127346","https://openalex.org/I4210127325"]},{"id":"https://openalex.org/I4210127325","display_name":"Broadcom (United States)","ror":"https://ror.org/035gt5s03","country_code":"US","type":"company","lineage":["https://openalex.org/I4210127325"]}],"countries":["IL","US"],"is_corresponding":false,"raw_author_name":"Sirikiat Lek Ariyavisitakul","raw_affiliation_strings":["Broadcom Corporation, USA","Broadcom, Corp. (Irvine, CA)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Broadcom Corporation, USA","institution_ids":["https://openalex.org/I4210127325"]},{"raw_affiliation_string":"Broadcom, Corp. (Irvine, CA)","institution_ids":["https://openalex.org/I1296127346"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100783068","display_name":"Jun Zheng","orcid":"https://orcid.org/0000-0003-2131-6816"},"institutions":[{"id":"https://openalex.org/I1296127346","display_name":"Broadcom (Israel)","ror":"https://ror.org/01jsrac29","country_code":"IL","type":"company","lineage":["https://openalex.org/I1296127346","https://openalex.org/I4210127325"]},{"id":"https://openalex.org/I4210127325","display_name":"Broadcom (United States)","ror":"https://ror.org/035gt5s03","country_code":"US","type":"company","lineage":["https://openalex.org/I4210127325"]}],"countries":["IL","US"],"is_corresponding":false,"raw_author_name":"Jun Zheng","raw_affiliation_strings":["Broadcom Corporation, USA","Broadcom, Corp. (Irvine, CA)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Broadcom Corporation, USA","institution_ids":["https://openalex.org/I4210127325"]},{"raw_affiliation_string":"Broadcom, Corp. (Irvine, CA)","institution_ids":["https://openalex.org/I1296127346"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065355400","display_name":"Eric Ojard","orcid":null},"institutions":[{"id":"https://openalex.org/I1296127346","display_name":"Broadcom (Israel)","ror":"https://ror.org/01jsrac29","country_code":"IL","type":"company","lineage":["https://openalex.org/I1296127346","https://openalex.org/I4210127325"]},{"id":"https://openalex.org/I4210127325","display_name":"Broadcom (United States)","ror":"https://ror.org/035gt5s03","country_code":"US","type":"company","lineage":["https://openalex.org/I4210127325"]}],"countries":["IL","US"],"is_corresponding":false,"raw_author_name":"Eric Ojard","raw_affiliation_strings":["Broadcom Corporation, USA","Broadcom, Corp. (Irvine, CA)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Broadcom Corporation, USA","institution_ids":["https://openalex.org/I4210127325"]},{"raw_affiliation_string":"Broadcom, Corp. (Irvine, CA)","institution_ids":["https://openalex.org/I1296127346"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101887457","display_name":"Joonsuk Kim","orcid":"https://orcid.org/0000-0001-6330-3867"},"institutions":[{"id":"https://openalex.org/I1296127346","display_name":"Broadcom (Israel)","ror":"https://ror.org/01jsrac29","country_code":"IL","type":"company","lineage":["https://openalex.org/I1296127346","https://openalex.org/I4210127325"]},{"id":"https://openalex.org/I4210127325","display_name":"Broadcom (United States)","ror":"https://ror.org/035gt5s03","country_code":"US","type":"company","lineage":["https://openalex.org/I4210127325"]}],"countries":["IL","US"],"is_corresponding":false,"raw_author_name":"Joonsuk Kim","raw_affiliation_strings":["Broadcom Corporation, USA","Broadcom, Corp. (Irvine, CA)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Broadcom Corporation, USA","institution_ids":["https://openalex.org/I4210127325"]},{"raw_affiliation_string":"Broadcom, Corp. (Irvine, CA)","institution_ids":["https://openalex.org/I1296127346"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.6784,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.7436206,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"2434","last_page":"2438"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9995999932289124,"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":0.9995999932289124,"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":0.9990000128746033,"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":0.998199999332428,"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/subspace-topology","display_name":"Subspace topology","score":0.8714722990989685},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.7479389905929565},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.6808435916900635},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.552140474319458},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5509783029556274},{"id":"https://openalex.org/keywords/channel-capacity","display_name":"Channel capacity","score":0.5326459407806396},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.49970483779907227},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.49686911702156067},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.39497941732406616},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.38037633895874023},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.182050883769989},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.13261249661445618}],"concepts":[{"id":"https://openalex.org/C32834561","wikidata":"https://www.wikidata.org/wiki/Q660730","display_name":"Subspace topology","level":2,"score":0.8714722990989685},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7479389905929565},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.6808435916900635},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.552140474319458},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5509783029556274},{"id":"https://openalex.org/C97744766","wikidata":"https://www.wikidata.org/wiki/Q870845","display_name":"Channel capacity","level":3,"score":0.5326459407806396},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.49970483779907227},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.49686911702156067},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.39497941732406616},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.38037633895874023},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.182050883769989},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.13261249661445618}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/isit.2008.4595428","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit.2008.4595428","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2008 IEEE International Symposium on Information Theory","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":18,"referenced_works":["https://openalex.org/W1667950888","https://openalex.org/W2029435453","https://openalex.org/W2050243230","https://openalex.org/W2056554149","https://openalex.org/W2102251435","https://openalex.org/W2117105890","https://openalex.org/W2132818688","https://openalex.org/W2133475491","https://openalex.org/W2138293524","https://openalex.org/W2138696566","https://openalex.org/W2156787051","https://openalex.org/W2159521390","https://openalex.org/W2161834532","https://openalex.org/W2163982637","https://openalex.org/W2164159684","https://openalex.org/W2218121988","https://openalex.org/W6677426536","https://openalex.org/W6684264448"],"related_works":["https://openalex.org/W2724724053","https://openalex.org/W2120275292","https://openalex.org/W2070062388","https://openalex.org/W1539855486","https://openalex.org/W2349752445","https://openalex.org/W3198080347","https://openalex.org/W2355231046","https://openalex.org/W2488227130","https://openalex.org/W2042947524","https://openalex.org/W4231582551"],"abstract_inverted_index":{"A":[0],"subspace":[1,52,66,96,120],"beamforming":[2,103,121],"method":[3],"is":[4,18,29,40],"presented":[5],"that":[6,25,119],"decomposes":[7],"a":[8,134],"MIMO":[9,114],"channel":[10,27],"into":[11],"multiple":[12],"pairs":[13],"of":[14,73,76,80,101,137],"subchannels.":[15],"The":[16,64],"pairing":[17],"done":[19],"based":[20],"on":[21],"singular":[22],"values":[23],"such":[24],"similar":[26],"capacity":[28,37],"obtained":[30],"between":[31],"different":[32],"subchannel":[33],"pairs.":[34],"This":[35],"new":[36],"balancing":[38],"concept":[39,97],"key":[41],"to":[42,54,131],"achieving":[43],"high":[44],"performance":[45],"with":[46,88],"low":[47],"complexity.":[48],"We":[49,91],"apply":[50],"the":[51,77,84,95,99,138],"idea":[53],"geometric":[55],"mean":[56],"decomposition":[57],"(GMD)":[58],"and":[59,104,130],"maximum":[60],"likelihood":[61],"(ML)":[62],"detection.":[63],"proposed":[65],"GMD":[67,128],"scheme":[68],"requires":[69],"only":[70,133],"two":[71],"layers":[72],"detection/decoding,":[74],"regardless":[75],"total":[78],"number":[79],"subchannels,":[81],"thus":[82],"alleviating":[83],"latency":[85],"issue":[86],"associated":[87],"conventional":[89],"GMD.":[90],"also":[92],"show":[93,118],"how":[94],"makes":[98],"optimization":[100],"ML":[102,105],"detection":[106],"itself":[107],"feasible":[108],"for":[109],"any":[110],"K":[111,113],"times":[112],"system.":[115],"Simulation":[116],"results":[117],"performs":[122],"nearly":[123],"as":[124,126],"well":[125],"optimum":[127],"performance,":[129],"within":[132],"few":[135],"dB":[136],"Shannon":[139],"bound.":[140]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}