{"id":"https://openalex.org/W1982721478","doi":"https://doi.org/10.1109/lsp.2012.2204979","title":"Precoder Design for OSTBC Based AF MIMO Relay System With Channel Uncertainty","display_name":"Precoder Design for OSTBC Based AF MIMO Relay System With Channel Uncertainty","publication_year":2012,"publication_date":"2012-06-15","ids":{"openalex":"https://openalex.org/W1982721478","doi":"https://doi.org/10.1109/lsp.2012.2204979","mag":"1982721478"},"language":"en","primary_location":{"id":"doi:10.1109/lsp.2012.2204979","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lsp.2012.2204979","pdf_url":null,"source":{"id":"https://openalex.org/S120629676","display_name":"IEEE Signal Processing Letters","issn_l":"1070-9908","issn":["1070-9908","1558-2361"],"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 Signal Processing Letters","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/A5013112758","display_name":"Batu K. Chalise","orcid":"https://orcid.org/0000-0001-7258-0567"},"institutions":[{"id":"https://openalex.org/I7863295","display_name":"Villanova University","ror":"https://ror.org/02g7kd627","country_code":"US","type":"education","lineage":["https://openalex.org/I7863295"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Batu K. Chalise","raw_affiliation_strings":["Center for Advanced Communications, Villanova University, Villanova, PA, USA","Center for Advanced Communication, Villanova University, Villanova, PA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Advanced Communications, Villanova University, Villanova, PA, USA","institution_ids":["https://openalex.org/I7863295"]},{"raw_affiliation_string":"Center for Advanced Communication, Villanova University, Villanova, PA, USA","institution_ids":["https://openalex.org/I7863295"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074195801","display_name":"Yimin D. Zhang","orcid":"https://orcid.org/0000-0002-4625-209X"},"institutions":[{"id":"https://openalex.org/I7863295","display_name":"Villanova University","ror":"https://ror.org/02g7kd627","country_code":"US","type":"education","lineage":["https://openalex.org/I7863295"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yimin D. Zhang","raw_affiliation_strings":["Center for Advanced Communications, Villanova University, Villanova, PA, USA","Center for Advanced Communication, Villanova University, Villanova, PA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Advanced Communications, Villanova University, Villanova, PA, USA","institution_ids":["https://openalex.org/I7863295"]},{"raw_affiliation_string":"Center for Advanced Communication, Villanova University, Villanova, PA, USA","institution_ids":["https://openalex.org/I7863295"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5007661434","display_name":"Moeness G. Amin","orcid":"https://orcid.org/0000-0002-0926-4120"},"institutions":[{"id":"https://openalex.org/I7863295","display_name":"Villanova University","ror":"https://ror.org/02g7kd627","country_code":"US","type":"education","lineage":["https://openalex.org/I7863295"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Moeness G. Amin","raw_affiliation_strings":["Center for Advanced Communications, Villanova University, Villanova, PA, USA","Center for Advanced Communication, Villanova University, Villanova, PA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Advanced Communications, Villanova University, Villanova, PA, USA","institution_ids":["https://openalex.org/I7863295"]},{"raw_affiliation_string":"Center for Advanced Communication, Villanova University, Villanova, PA, USA","institution_ids":["https://openalex.org/I7863295"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I7863295"],"apc_list":null,"apc_paid":null,"fwci":0.7261,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.71569679,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"19","issue":"8","first_page":"515","last_page":"518"},"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":0.9998000264167786,"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":0.9994000196456909,"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":0.8465075492858887},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.7656664252281189},{"id":"https://openalex.org/keywords/relay-channel","display_name":"Relay channel","score":0.6545323133468628},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6259991526603699},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5978933572769165},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.5457484126091003},{"id":"https://openalex.org/keywords/block-code","display_name":"Block code","score":0.5219213962554932},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.47251802682876587},{"id":"https://openalex.org/keywords/convex-optimization","display_name":"Convex optimization","score":0.4709421396255493},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.44300758838653564},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.42265984416007996},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.33607161045074463},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.3170951306819916},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.30373483896255493},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2679271101951599},{"id":"https://openalex.org/keywords/regular-polygon","display_name":"Regular polygon","score":0.2665194272994995},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.23335200548171997}],"concepts":[{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.8465075492858887},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.7656664252281189},{"id":"https://openalex.org/C46257984","wikidata":"https://www.wikidata.org/wiki/Q7310895","display_name":"Relay channel","level":4,"score":0.6545323133468628},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6259991526603699},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5978933572769165},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.5457484126091003},{"id":"https://openalex.org/C157125643","wikidata":"https://www.wikidata.org/wiki/Q884707","display_name":"Block code","level":3,"score":0.5219213962554932},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.47251802682876587},{"id":"https://openalex.org/C157972887","wikidata":"https://www.wikidata.org/wiki/Q463359","display_name":"Convex optimization","level":3,"score":0.4709421396255493},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.44300758838653564},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.42265984416007996},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.33607161045074463},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.3170951306819916},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.30373483896255493},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2679271101951599},{"id":"https://openalex.org/C112680207","wikidata":"https://www.wikidata.org/wiki/Q714886","display_name":"Regular polygon","level":2,"score":0.2665194272994995},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.23335200548171997},{"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/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/lsp.2012.2204979","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lsp.2012.2204979","pdf_url":null,"source":{"id":"https://openalex.org/S120629676","display_name":"IEEE Signal Processing Letters","issn_l":"1070-9908","issn":["1070-9908","1558-2361"],"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 Signal Processing Letters","raw_type":"journal-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.719.4219","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.719.4219","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://yiminzhang.com/pdf/spl12_batu.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1987363843","https://openalex.org/W2072603128","https://openalex.org/W2100374063","https://openalex.org/W2108247925","https://openalex.org/W2118073589","https://openalex.org/W2120406684","https://openalex.org/W2139683558","https://openalex.org/W2143967229","https://openalex.org/W2147329751","https://openalex.org/W2151953578","https://openalex.org/W2169159983","https://openalex.org/W2296319761","https://openalex.org/W4250589301"],"related_works":["https://openalex.org/W2963170046","https://openalex.org/W2376244802","https://openalex.org/W4311414679","https://openalex.org/W2923631784","https://openalex.org/W818226659","https://openalex.org/W2158075901","https://openalex.org/W2567141277","https://openalex.org/W4236087151","https://openalex.org/W2761543104","https://openalex.org/W4302353319"],"abstract_inverted_index":{"The":[0],"source":[1,17],"and":[2,18,27,36,95,109],"relay":[3,13,19],"precoders":[4],"are":[5],"jointly":[6],"optimized":[7],"for":[8],"an":[9,72],"amplify-and-forward":[10],"multiple-input":[11],"multiple-output":[12],"system.":[14],"Both":[15],"the":[16,34,41,49,53,58,79,84,96],"nodes":[20],"employ":[21],"orthogonal":[22],"space-time":[23],"block":[24],"codes":[25],"(OSTBC),":[26],"have":[28],"imperfect":[29],"channel":[30],"state":[31],"information":[32],"of":[33,51,82],"source-relay":[35],"relay-destination":[37],"channels,":[38],"respectively.":[39],"Using":[40],"worst-case":[42,112],"robust":[43,113],"design":[44,98,115],"approach,":[45],"we":[46,70],"show":[47,89],"that":[48,90],"problem":[50],"maximizing":[52],"minimum":[54],"signal-to-noise":[55],"ratio":[56],"at":[57],"destination":[59],"can":[60],"be":[61],"exactly":[62],"reformulated":[63],"as":[64],"a":[65],"convex":[66,85],"optimization":[67],"problem.":[68,86],"Further,":[69],"provide":[71],"approximate":[73],"semi-analytical":[74],"approach":[75],"which":[76],"significantly":[77],"reduces":[78],"computational":[80],"cost":[81],"solving":[83],"Numerical":[87],"results":[88],"this":[91],"approximation":[92],"is":[93],"accurate":[94],"proposed":[97],"outperforms":[99],"OSTBC":[100,104],"with":[101,105],"eigen":[102],"beamforming,":[103],"equal":[106],"power":[107],"allocation,":[108],"currently":[110],"available":[111],"beamforming":[114],"without":[116],"OSTBC.":[117]},"counts_by_year":[{"year":2018,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
