{"id":"https://openalex.org/W2110008795","doi":"https://doi.org/10.1109/tbc.2010.2058031","title":"MIMO Beamforming for QoS Enhancement via Analog, Digital and Hybrid Relaying","display_name":"MIMO Beamforming for QoS Enhancement via Analog, Digital and Hybrid Relaying","publication_year":2010,"publication_date":"2010-08-05","ids":{"openalex":"https://openalex.org/W2110008795","doi":"https://doi.org/10.1109/tbc.2010.2058031","mag":"2110008795"},"language":"en","primary_location":{"id":"doi:10.1109/tbc.2010.2058031","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tbc.2010.2058031","pdf_url":null,"source":{"id":"https://openalex.org/S100142436","display_name":"IEEE Transactions on Broadcasting","issn_l":"0018-9316","issn":["0018-9316","1557-9611"],"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":"IEEE Transactions on Broadcasting","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/A5007680687","display_name":"Jongrok Park","orcid":null},"institutions":[{"id":"https://openalex.org/I29955533","display_name":"Center for Information Technology","ror":"https://ror.org/03jh5a977","country_code":"US","type":"facility","lineage":["https://openalex.org/I1299022934","https://openalex.org/I1299303238","https://openalex.org/I29955533"]},{"id":"https://openalex.org/I193775966","display_name":"Yonsei University","ror":"https://ror.org/01wjejq96","country_code":"KR","type":"education","lineage":["https://openalex.org/I193775966"]}],"countries":["KR","US"],"is_corresponding":true,"raw_author_name":"Jongrok Park","raw_affiliation_strings":["Center of Information Technology of Yonsei, Yonsei University, Seoul, South Korea","Center for Inf. Technol. of Yonsei, Yonsei Univ., Seoul, South Korea"],"affiliations":[{"raw_affiliation_string":"Center of Information Technology of Yonsei, Yonsei University, Seoul, South Korea","institution_ids":["https://openalex.org/I193775966"]},{"raw_affiliation_string":"Center for Inf. Technol. of Yonsei, Yonsei Univ., Seoul, South Korea","institution_ids":["https://openalex.org/I29955533"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100320181","display_name":"Sanghoon Lee","orcid":"https://orcid.org/0000-0001-9895-5347"},"institutions":[{"id":"https://openalex.org/I29955533","display_name":"Center for Information Technology","ror":"https://ror.org/03jh5a977","country_code":"US","type":"facility","lineage":["https://openalex.org/I1299022934","https://openalex.org/I1299303238","https://openalex.org/I29955533"]},{"id":"https://openalex.org/I193775966","display_name":"Yonsei University","ror":"https://ror.org/01wjejq96","country_code":"KR","type":"education","lineage":["https://openalex.org/I193775966"]}],"countries":["KR","US"],"is_corresponding":false,"raw_author_name":"Sanghoon Lee","raw_affiliation_strings":["Center of Information Technology of Yonsei, Yonsei University, Seoul, South Korea","Center for Inf. Technol. of Yonsei, Yonsei Univ., Seoul, South Korea"],"affiliations":[{"raw_affiliation_string":"Center of Information Technology of Yonsei, Yonsei University, Seoul, South Korea","institution_ids":["https://openalex.org/I193775966"]},{"raw_affiliation_string":"Center for Inf. Technol. of Yonsei, Yonsei Univ., Seoul, South Korea","institution_ids":["https://openalex.org/I29955533"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5007680687"],"corresponding_institution_ids":["https://openalex.org/I193775966","https://openalex.org/I29955533"],"apc_list":null,"apc_paid":null,"fwci":2.4929,"has_fulltext":false,"cited_by_count":17,"citation_normalized_percentile":{"value":0.89879352,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"56","issue":"4","first_page":"494","last_page":"503"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10796","display_name":"Cooperative Communication and Network Coding","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T10796","display_name":"Cooperative Communication and Network Coding","score":1.0,"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"}},{"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/T11409","display_name":"Advanced Wireless Network Optimization","score":0.9987999796867371,"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/computer-science","display_name":"Computer science","score":0.7541745901107788},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.7091336250305176},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.7036023736000061},{"id":"https://openalex.org/keywords/relay","display_name":"Relay","score":0.6606165766716003},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.6408406496047974},{"id":"https://openalex.org/keywords/multimedia-broadcast-multicast-service","display_name":"Multimedia Broadcast Multicast Service","score":0.5902374982833862},{"id":"https://openalex.org/keywords/quality-of-service","display_name":"Quality of service","score":0.5718833208084106},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.5448446869850159},{"id":"https://openalex.org/keywords/multicast","display_name":"Multicast","score":0.4887385368347168},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.423242449760437},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.42063888907432556},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.34780359268188477},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.3326270282268524},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2223787009716034}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7541745901107788},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.7091336250305176},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7036023736000061},{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.6606165766716003},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.6408406496047974},{"id":"https://openalex.org/C77757571","wikidata":"https://www.wikidata.org/wiki/Q501483","display_name":"Multimedia Broadcast Multicast Service","level":3,"score":0.5902374982833862},{"id":"https://openalex.org/C5119721","wikidata":"https://www.wikidata.org/wiki/Q220501","display_name":"Quality of service","level":2,"score":0.5718833208084106},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.5448446869850159},{"id":"https://openalex.org/C32295351","wikidata":"https://www.wikidata.org/wiki/Q899288","display_name":"Multicast","level":2,"score":0.4887385368347168},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.423242449760437},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.42063888907432556},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.34780359268188477},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.3326270282268524},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2223787009716034},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tbc.2010.2058031","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tbc.2010.2058031","pdf_url":null,"source":{"id":"https://openalex.org/S100142436","display_name":"IEEE Transactions on Broadcasting","issn_l":"0018-9316","issn":["0018-9316","1557-9611"],"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":"IEEE Transactions on Broadcasting","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/9","score":0.4399999976158142,"display_name":"Industry, innovation and infrastructure"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W1508642566","https://openalex.org/W1997834106","https://openalex.org/W2098126478","https://openalex.org/W2098425711","https://openalex.org/W2101035372","https://openalex.org/W2102934991","https://openalex.org/W2103472722","https://openalex.org/W2111517287","https://openalex.org/W2114722318","https://openalex.org/W2121072357","https://openalex.org/W2129472875","https://openalex.org/W2131262740","https://openalex.org/W2133149827","https://openalex.org/W2140257761","https://openalex.org/W2143347670","https://openalex.org/W2143927285","https://openalex.org/W2145741127","https://openalex.org/W2148970721","https://openalex.org/W2152302990","https://openalex.org/W2159070394","https://openalex.org/W2159637866","https://openalex.org/W2160389555","https://openalex.org/W2161799651","https://openalex.org/W2161872841","https://openalex.org/W2161969186","https://openalex.org/W2167239072","https://openalex.org/W2171159551","https://openalex.org/W4239651601"],"related_works":["https://openalex.org/W2055253333","https://openalex.org/W1967449502","https://openalex.org/W2993217827","https://openalex.org/W3023573657","https://openalex.org/W2149569983","https://openalex.org/W1993771089","https://openalex.org/W2158245966","https://openalex.org/W1989270073","https://openalex.org/W2122807322","https://openalex.org/W964357986"],"abstract_inverted_index":{"Quality-of-service":[0],"(QoS)":[1],"of":[2,34,42,59,92,181],"multimedia":[3],"broadcast/multicast":[4],"service":[5],"(MBMS)":[6],"is":[7,111],"the":[8,39,56,73,90,98,101,106,122,173,179,185],"most":[9],"challenging":[10],"issue":[11],"that":[12,97,172],"needs":[13],"to":[14,62,88,120,150],"be":[15,47,148],"addressed":[16],"for":[17,31,130],"next":[18],"generation":[19],"wireless":[20],"broadcasting.":[21],"Multiple-input/multiple-output":[22],"(MIMO)":[23],"and":[24,85,105,154,159,161,166,184],"multihop":[25],"relay":[26,69,108],"technologies":[27],"are":[28],"viable":[29],"options":[30],"improving":[32],"QoS":[33,91,180],"MBMS.":[35],"For":[36],"stable":[37],"MBMS,":[38],"average":[40],"throughput":[41,51],"overall":[43,74],"cell":[44],"region":[45,58],"must":[46],"guaranteed.":[48],"Nevertheless,":[49],"severe":[50],"degradation":[52],"may":[53],"occur":[54],"in":[55],"outer":[57],"multicells":[60],"due":[61],"significant":[63],"interference":[64],"from":[65],"neighboring":[66],"cells":[67],"or":[68],"stations,":[70],"thereby":[71],"limiting":[72],"performance.":[75],"This":[76],"paper":[77],"describes":[78],"an":[79],"effective":[80],"technique,":[81],"which":[82,146],"combines":[83],"MIMO":[84],"two-hop":[86],"relay,":[87],"guarantee":[89],"edge":[93,182],"users.":[94],"We":[95],"assume":[96],"channel":[99],"between":[100],"base":[102],"station":[103,109],"(BS)":[104],"fixed":[107],"(FRS)":[110],"line-of-sight":[112],"(LOS).":[113],"First,":[114],"we":[115,125,140],"define":[116],"a":[117,127,142],"criterion":[118],"needed":[119],"install":[121],"FRS.":[123],"Second,":[124],"construct":[126],"weight":[128],"matrix":[129],"hybrid":[131,162],"relaying":[132,152,157,163],"having":[133],"lower":[134],"complexity":[135],"than":[136],"digital":[137,156],"relaying.":[138],"Finally,":[139],"propose":[141],"user":[143],"scheduling":[144],"algorithm":[145],"can":[147,176],"adapted":[149],"analog":[151],"(amplify":[153],"forward),":[155],"(decode":[158],"forward)":[160],"(filter,":[164],"amplify":[165],"forward).":[167],"The":[168],"simulation":[169],"results":[170],"show":[171],"proposed":[174],"method":[175],"improve":[177],"both":[178],"users":[183],"sum-rate.":[186]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":1},{"year":2013,"cited_by_count":4},{"year":2012,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}