{"id":"https://openalex.org/W2555035419","doi":"https://doi.org/10.1109/allerton.2012.6483420","title":"Two-level MMSE relay strategy for an AF wireless relay network","display_name":"Two-level MMSE relay strategy for an AF wireless relay network","publication_year":2012,"publication_date":"2012-10-01","ids":{"openalex":"https://openalex.org/W2555035419","doi":"https://doi.org/10.1109/allerton.2012.6483420","mag":"2555035419"},"language":"en","primary_location":{"id":"doi:10.1109/allerton.2012.6483420","is_oa":false,"landing_page_url":"https://doi.org/10.1109/allerton.2012.6483420","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 50th Annual Allerton Conference on Communication, Control, and Computing (Allerton)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5101859846","display_name":"Kanghee Lee","orcid":"https://orcid.org/0000-0003-1497-9160"},"institutions":[{"id":"https://openalex.org/I39587148","display_name":"Wichita State University","ror":"https://ror.org/00c4e7y75","country_code":"US","type":"education","lineage":["https://openalex.org/I39587148"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Kanghee Lee","raw_affiliation_strings":["Department of Electrical Engineering and Computer Science, Wichita State University, Wichita, KS, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering and Computer Science, Wichita State University, Wichita, KS, USA","institution_ids":["https://openalex.org/I39587148"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056678587","display_name":"Hyuck M. Kwon","orcid":"https://orcid.org/0000-0002-4077-142X"},"institutions":[{"id":"https://openalex.org/I39587148","display_name":"Wichita State University","ror":"https://ror.org/00c4e7y75","country_code":"US","type":"education","lineage":["https://openalex.org/I39587148"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Hyuck M. Kwon","raw_affiliation_strings":["Department of Electrical Engineering and Computer Science, Wichita State University, Wichita, KS, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering and Computer Science, Wichita State University, Wichita, KS, USA","institution_ids":["https://openalex.org/I39587148"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103446220","display_name":"Wenhao Xiong","orcid":null},"institutions":[{"id":"https://openalex.org/I39587148","display_name":"Wichita State University","ror":"https://ror.org/00c4e7y75","country_code":"US","type":"education","lineage":["https://openalex.org/I39587148"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Wenhao Xiong","raw_affiliation_strings":["Department of Electrical Engineering and Computer Science, Wichita State University, Wichita, KS, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering and Computer Science, Wichita State University, Wichita, KS, USA","institution_ids":["https://openalex.org/I39587148"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056700473","display_name":"Hyung-Gi Kim","orcid":"https://orcid.org/0009-0004-6648-3145"},"institutions":[{"id":"https://openalex.org/I39587148","display_name":"Wichita State University","ror":"https://ror.org/00c4e7y75","country_code":"US","type":"education","lineage":["https://openalex.org/I39587148"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Hyunggi Kim","raw_affiliation_strings":["Department of Electrical Engineering and Computer Science, Wichita State University, Wichita, KS, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering and Computer Science, Wichita State University, Wichita, KS, USA","institution_ids":["https://openalex.org/I39587148"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100965074","display_name":"Shuang Feng","orcid":"https://orcid.org/0009-0006-9210-9557"},"institutions":[{"id":"https://openalex.org/I39587148","display_name":"Wichita State University","ror":"https://ror.org/00c4e7y75","country_code":"US","type":"education","lineage":["https://openalex.org/I39587148"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Shuang Feng","raw_affiliation_strings":["Department of Electrical Engineering and Computer Science, Wichita State University, Wichita, KS, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering and Computer Science, Wichita State University, Wichita, KS, USA","institution_ids":["https://openalex.org/I39587148"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026951091","display_name":"Hyuncheol Park","orcid":"https://orcid.org/0000-0002-7346-1364"},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Hyuncheol Park","raw_affiliation_strings":["Department of Electrical Engineering, Korea Advanced Institute of Science and Technology, Daejeon, South Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Korea Advanced Institute of Science and Technology, Daejeon, South Korea","institution_ids":["https://openalex.org/I157485424"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5045853898","display_name":"Yong H. Lee","orcid":"https://orcid.org/0000-0001-9576-8554"},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Yong H. Lee","raw_affiliation_strings":["Department of Electrical Engineering, Korea Advanced Institute of Science and Technology, Daejeon, South Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Korea Advanced Institute of Science and Technology, Daejeon, South Korea","institution_ids":["https://openalex.org/I157485424"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.1318,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.78189564,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":"55","issue":null,"first_page":"1653","last_page":"1658"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9998999834060669,"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":0.9998999834060669,"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/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9969000220298767,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9901999831199646,"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/relay","display_name":"Relay","score":0.9472874999046326},{"id":"https://openalex.org/keywords/node","display_name":"Node (physics)","score":0.7587426900863647},{"id":"https://openalex.org/keywords/relay-channel","display_name":"Relay channel","score":0.635503888130188},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.6221215128898621},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6011390686035156},{"id":"https://openalex.org/keywords/constraint","display_name":"Constraint (computer-aided design)","score":0.5288841724395752},{"id":"https://openalex.org/keywords/wireless-network","display_name":"Wireless network","score":0.49247393012046814},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.49072301387786865},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.4538026452064514},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.45283859968185425},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.4475848078727722},{"id":"https://openalex.org/keywords/bit-error-rate","display_name":"Bit error rate","score":0.4457220137119293},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.3658296465873718},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.26996660232543945},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.25270357728004456},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.1755598783493042},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.15134087204933167}],"concepts":[{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.9472874999046326},{"id":"https://openalex.org/C62611344","wikidata":"https://www.wikidata.org/wiki/Q1062658","display_name":"Node (physics)","level":2,"score":0.7587426900863647},{"id":"https://openalex.org/C46257984","wikidata":"https://www.wikidata.org/wiki/Q7310895","display_name":"Relay channel","level":4,"score":0.635503888130188},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.6221215128898621},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6011390686035156},{"id":"https://openalex.org/C2776036281","wikidata":"https://www.wikidata.org/wiki/Q48769818","display_name":"Constraint (computer-aided design)","level":2,"score":0.5288841724395752},{"id":"https://openalex.org/C108037233","wikidata":"https://www.wikidata.org/wiki/Q11375","display_name":"Wireless network","level":3,"score":0.49247393012046814},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.49072301387786865},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.4538026452064514},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.45283859968185425},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.4475848078727722},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.4457220137119293},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.3658296465873718},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.26996660232543945},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.25270357728004456},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.1755598783493042},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.15134087204933167},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"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/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"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/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/allerton.2012.6483420","is_oa":false,"landing_page_url":"https://doi.org/10.1109/allerton.2012.6483420","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 50th Annual Allerton Conference on Communication, Control, and Computing (Allerton)","raw_type":"proceedings-article"},{"id":"pmh:oai:soar.wichita.edu:10057/6072","is_oa":false,"landing_page_url":"http://hdl.handle.net/10057/6072","pdf_url":null,"source":{"id":"https://openalex.org/S4306401479","display_name":"Holmes Museum Of Anthropology (Wichita State University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I39587148","host_organization_name":"Wichita State University","host_organization_lineage":["https://openalex.org/I39587148"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Conference paper"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.6000000238418579,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W1970649218","https://openalex.org/W2067145564","https://openalex.org/W2095910085","https://openalex.org/W2110627746","https://openalex.org/W2124642768","https://openalex.org/W2124887991","https://openalex.org/W2145284682","https://openalex.org/W2146461054","https://openalex.org/W2146646346","https://openalex.org/W2157332904"],"related_works":["https://openalex.org/W2099376255","https://openalex.org/W2608897767","https://openalex.org/W2963768675","https://openalex.org/W2153829573","https://openalex.org/W2004047158","https://openalex.org/W2119153672","https://openalex.org/W2993015344","https://openalex.org/W1559320887","https://openalex.org/W2082611414","https://openalex.org/W2374704553"],"abstract_inverted_index":{"This":[0],"paper":[1,65],"presents":[2],"optimal":[3,101],"amplify-and-forward":[4],"(AF)":[5],"relay":[6,23,34,48,102,112],"amplifying":[7,103],"matrices":[8],"based":[9],"on":[10],"the":[11,43,47,51,54,59,67,77,89,95,99,110],"minimum":[12],"mean":[13],"square":[14],"error":[15,106],"(MMSE)":[16],"criterion":[17],"for":[18,76],"a":[19,27,81],"cooperative":[20],"AF":[21],"wireless":[22,111],"network":[24,113],"consisting":[25],"of":[26,109],"one-source-one-destination":[28],"node":[29],"pair":[30],"and":[31,53,57,117],"two-level":[32],"N":[33],"nodes.":[35],"During":[36],"data":[37],"transmission,":[38],"power":[39,70,116],"is":[40,71,85,120],"constrained":[41],"at":[42,46,58,94],"source":[44],"node,":[45],"nodes":[49],"in":[50],"first":[52],"second":[55],"levels,":[56],"destination":[60,96],"node.":[61,97],"In":[62],"addition,":[63],"this":[64],"considers":[66],"case":[68],"that":[69],"intentionally":[72],"not":[73],"constrained.":[74],"Hence,":[75],"no-power":[78,118],"constraint":[79,119],"example,":[80],"positive":[82],"scaling":[83],"factor":[84],"employed":[86],"to":[87],"meet":[88],"target":[90],"signal-to-noise":[91],"ratio":[92],"(SNRTGT)":[93],"With":[98],"derived":[100],"matrices,":[104],"bit":[105],"rate":[107],"(BER)":[108],"under":[114],"both":[115],"simulated.":[121]},"counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":2}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}