{"id":"https://openalex.org/W2099665652","doi":"https://doi.org/10.1109/lcomm.2011.081211.110809","title":"Dual-Hop MIMO Amplify-and-Forward Relay Channel Capacity with Keyhole Effect","display_name":"Dual-Hop MIMO Amplify-and-Forward Relay Channel Capacity with Keyhole Effect","publication_year":2011,"publication_date":"2011-08-31","ids":{"openalex":"https://openalex.org/W2099665652","doi":"https://doi.org/10.1109/lcomm.2011.081211.110809","mag":"2099665652"},"language":"en","primary_location":{"is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2011.081211.110809","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310319808","https://openalex.org/P4310316002"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers","IEEE Communications Society"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false},"type":"article","type_crossref":"journal-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/A5087690111","display_name":"Abdulla Firag","orcid":null},"institutions":[{"id":"https://openalex.org/I185492890","display_name":"University of Canterbury","ror":"https://ror.org/03y7q9t39","country_code":"NZ","type":"education","lineage":["https://openalex.org/I185492890"]}],"countries":["NZ"],"is_corresponding":false,"raw_author_name":"Abdulla Firag","raw_affiliation_strings":["Dept. of Electr. & Comput. Eng., Univ. of Canterbury, Christchurch, New Zealand#TAB#"],"affiliations":[{"raw_affiliation_string":"Dept. of Electr. & Comput. Eng., Univ. of Canterbury, Christchurch, New Zealand#TAB#","institution_ids":["https://openalex.org/I185492890"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008700987","display_name":"Himal A. Suraweera","orcid":"https://orcid.org/0000-0003-4743-7528"},"institutions":[{"id":"https://openalex.org/I152815399","display_name":"Singapore University of Technology and Design","ror":"https://ror.org/05j6fvn87","country_code":"SG","type":"education","lineage":["https://openalex.org/I152815399"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Himal A. Suraweera","raw_affiliation_strings":["Singapore University of Technology & Design, Singapore, Singapore#TAB#"],"affiliations":[{"raw_affiliation_string":"Singapore University of Technology & Design, Singapore, Singapore#TAB#","institution_ids":["https://openalex.org/I152815399"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011583707","display_name":"Peter J. Smith","orcid":"https://orcid.org/0000-0001-8707-2581"},"institutions":[{"id":"https://openalex.org/I185492890","display_name":"University of Canterbury","ror":"https://ror.org/03y7q9t39","country_code":"NZ","type":"education","lineage":["https://openalex.org/I185492890"]}],"countries":["NZ"],"is_corresponding":false,"raw_author_name":"Peter J. Smith","raw_affiliation_strings":["Dept. of Electr. & Comput. Eng., Univ. of Canterbury, Christchurch, New Zealand#TAB#"],"affiliations":[{"raw_affiliation_string":"Dept. of Electr. & Comput. Eng., Univ. of Canterbury, Christchurch, New Zealand#TAB#","institution_ids":["https://openalex.org/I185492890"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5060020877","display_name":"Chau Yuen","orcid":"https://orcid.org/0000-0002-9307-2120"},"institutions":[{"id":"https://openalex.org/I152815399","display_name":"Singapore University of Technology and Design","ror":"https://ror.org/05j6fvn87","country_code":"SG","type":"education","lineage":["https://openalex.org/I152815399"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Chau Yuen","raw_affiliation_strings":["Singapore University of Technology & Design, Singapore, Singapore#TAB#"],"affiliations":[{"raw_affiliation_string":"Singapore University of Technology & Design, Singapore, Singapore#TAB#","institution_ids":["https://openalex.org/I152815399"]}]}],"institution_assertions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.112,"has_fulltext":true,"fulltext_origin":"ngrams","cited_by_count":5,"citation_normalized_percentile":{"value":0.787454,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":80,"max":81},"biblio":{"volume":"15","issue":"10","first_page":"1050","last_page":"1052"},"is_retracted":false,"is_paratext":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":0.9977,"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/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9973,"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/keyhole","display_name":"Keyhole","score":0.7184146},{"id":"https://openalex.org/keywords/ergodicity","display_name":"Ergodicity","score":0.5085105}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.732807},{"id":"https://openalex.org/C2776139624","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Keyhole","level":3,"score":0.7184146},{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.71727496},{"id":"https://openalex.org/C122044880","wikidata":"https://www.wikidata.org/wiki/Q5498822","display_name":"Ergodic theory","level":2,"score":0.62548745},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.61101663},{"id":"https://openalex.org/C56985126","wikidata":"https://www.wikidata.org/wiki/Q854039","display_name":"Rayleigh fading","level":4,"score":0.6059127},{"id":"https://openalex.org/C97744766","wikidata":"https://www.wikidata.org/wiki/Q870845","display_name":"Channel capacity","level":3,"score":0.5907054},{"id":"https://openalex.org/C201779956","wikidata":"https://www.wikidata.org/wiki/Q5426803","display_name":"Ergodicity","level":2,"score":0.5085105},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.5067077},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.4367173},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.42993745},{"id":"https://openalex.org/C46257984","wikidata":"https://www.wikidata.org/wiki/Q7310895","display_name":"Relay channel","level":4,"score":0.41723207},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.41543654},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3567294},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.28893495},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2164332},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.10921419},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.10645652},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.09597996},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","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/C19474535","wikidata":"https://www.wikidata.org/wiki/Q131172","display_name":"Welding","level":2,"score":0.0},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2011.081211.110809","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310319808","https://openalex.org/P4310316002"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers","IEEE Communications Society"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9","score":0.59}],"grants":[],"datasets":[],"versions":[],"referenced_works_count":11,"referenced_works":["https://openalex.org/W2033165741","https://openalex.org/W2041203084","https://openalex.org/W2077185593","https://openalex.org/W2097294242","https://openalex.org/W2102837185","https://openalex.org/W2108061505","https://openalex.org/W2128038754","https://openalex.org/W2142353524","https://openalex.org/W2145060291","https://openalex.org/W2154515045","https://openalex.org/W2168492199"],"related_works":["https://openalex.org/W2997734155","https://openalex.org/W2678132386","https://openalex.org/W2175983084","https://openalex.org/W2135873925","https://openalex.org/W2119734832","https://openalex.org/W2113295431","https://openalex.org/W2090373650","https://openalex.org/W1985056652","https://openalex.org/W150583201","https://openalex.org/W1499702362"],"abstract_inverted_index":{"Keyhole":[0],"fading":[1,22],"present":[2],"in":[3],"some":[4],"relay":[5,44],"based":[6,30],"applications":[7],"can":[8],"degrade":[9],"the":[10,18,24,51],"system":[11],"performance.":[12],"In":[13],"this":[14],"paper,":[15],"we":[16,46],"investigate":[17],"effect":[19],"of":[20,27,63,66],"multi-keyhole":[21],"on":[23],"ergodic":[25,53],"capacity":[26,56],"fixed":[28],"infrastructure":[29],"multiple-input":[31],"multiple-output":[32],"(MIMO)":[33],"amplify-and-forward":[34],"(AF)":[35],"relaying":[36],"systems.":[37],"Specifically,":[38],"considering":[39],"a":[40],"Rayleigh-multi-keyhole":[41],"MIMO":[42],"AF":[43],"channel,":[45],"derive":[47],"an":[48],"expression":[49,57],"for":[50,60],"system's":[52],"capacity.":[54],"Our":[55],"is":[58],"valid":[59],"arbitrary":[61],"number":[62,65],"antennas,":[64],"keyholes,":[67],"keyhole":[68],"power":[69],"distribution":[70],"and":[71],"all":[72],"signal-to-noise":[73],"ratio":[74],"values.":[75]},"cited_by_api_url":"https://api.openalex.org/works?filter=cites:W2099665652","counts_by_year":[{"year":2018,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2014,"cited_by_count":2},{"year":2012,"cited_by_count":1}],"updated_date":"2024-12-10T00:59:39.706691","created_date":"2016-06-24"}