{"id":"https://openalex.org/W2071879168","doi":"https://doi.org/10.1155/2008/580368","title":"Performance of Multiple-Relay Cooperative Diversity Systems with Best Relay Selection over Rayleigh Fading Channels","display_name":"Performance of Multiple-Relay Cooperative Diversity Systems with Best Relay Selection over Rayleigh Fading Channels","publication_year":2008,"publication_date":"2008-03-27","ids":{"openalex":"https://openalex.org/W2071879168","doi":"https://doi.org/10.1155/2008/580368","mag":"2071879168"},"language":"en","primary_location":{"id":"doi:10.1155/2008/580368","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2008/580368","pdf_url":"https://asp-eurasipjournals.springeropen.com/counter/pdf/10.1155/2008/580368","source":{"id":"https://openalex.org/S35920007","display_name":"EURASIP Journal on Advances in Signal Processing","issn_l":"1687-6172","issn":["1687-6172","1687-6180"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"EURASIP Journal on Advances in Signal Processing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://asp-eurasipjournals.springeropen.com/counter/pdf/10.1155/2008/580368","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5088692076","display_name":"Salama Ikki","orcid":"https://orcid.org/0000-0003-3868-4447"},"institutions":[{"id":"https://openalex.org/I130438778","display_name":"Memorial University of Newfoundland","ror":"https://ror.org/04haebc03","country_code":"CA","type":"education","lineage":["https://openalex.org/I130438778"]},{"id":"https://openalex.org/I142823887","display_name":"St. John's University","ror":"https://ror.org/00bgtad15","country_code":"US","type":"education","lineage":["https://openalex.org/I142823887"]}],"countries":["CA","US"],"is_corresponding":true,"raw_author_name":"Salama S. Ikki","raw_affiliation_strings":["Faculty of Engineering and Applied Science, Memorial University, St. John's, Newfoundland and Labrador, Canada, A1B3X5","Faculty of Engineering and Applied Science, Memorial University, St. John's, Newfoundland and Labrador, Canada#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Engineering and Applied Science, Memorial University, St. John's, Newfoundland and Labrador, Canada, A1B3X5","institution_ids":["https://openalex.org/I130438778"]},{"raw_affiliation_string":"Faculty of Engineering and Applied Science, Memorial University, St. John's, Newfoundland and Labrador, Canada#TAB#","institution_ids":["https://openalex.org/I142823887"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5075820901","display_name":"Mohamed H. Ahmed","orcid":"https://orcid.org/0000-0002-3477-0834"},"institutions":[{"id":"https://openalex.org/I130438778","display_name":"Memorial University of Newfoundland","ror":"https://ror.org/04haebc03","country_code":"CA","type":"education","lineage":["https://openalex.org/I130438778"]},{"id":"https://openalex.org/I142823887","display_name":"St. John's University","ror":"https://ror.org/00bgtad15","country_code":"US","type":"education","lineage":["https://openalex.org/I142823887"]}],"countries":["CA","US"],"is_corresponding":false,"raw_author_name":"Mohamed H. Ahmed","raw_affiliation_strings":["Faculty of Engineering and Applied Science, Memorial University, St. John's, Newfoundland and Labrador, Canada, A1B3X5","Faculty of Engineering and Applied Science, Memorial University, St. John's, Newfoundland and Labrador, Canada#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Engineering and Applied Science, Memorial University, St. John's, Newfoundland and Labrador, Canada, A1B3X5","institution_ids":["https://openalex.org/I130438778"]},{"raw_affiliation_string":"Faculty of Engineering and Applied Science, Memorial University, St. John's, Newfoundland and Labrador, Canada#TAB#","institution_ids":["https://openalex.org/I142823887"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5088692076"],"corresponding_institution_ids":["https://openalex.org/I130438778","https://openalex.org/I142823887"],"apc_list":{"value":1665,"currency":"USD","value_usd":1665},"apc_paid":{"value":1665,"currency":"USD","value_usd":1665},"fwci":32.1292,"has_fulltext":true,"cited_by_count":200,"citation_normalized_percentile":{"value":0.99653353,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":100},"biblio":{"volume":"2008","issue":"1","first_page":null,"last_page":null},"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/T10964","display_name":"Wireless Communication Security Techniques","score":0.9947999715805054,"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":0.9947999715805054,"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":0.9308344125747681},{"id":"https://openalex.org/keywords/rayleigh-fading","display_name":"Rayleigh fading","score":0.7700906991958618},{"id":"https://openalex.org/keywords/cooperative-diversity","display_name":"Cooperative diversity","score":0.723080575466156},{"id":"https://openalex.org/keywords/relay-channel","display_name":"Relay channel","score":0.7125284075737},{"id":"https://openalex.org/keywords/node","display_name":"Node (physics)","score":0.6913551092147827},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6373663544654846},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.5181185603141785},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.47162365913391113},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.4621582329273224},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.4330088496208191},{"id":"https://openalex.org/keywords/diversity-gain","display_name":"Diversity gain","score":0.4307110607624054},{"id":"https://openalex.org/keywords/diversity-combining","display_name":"Diversity combining","score":0.4220951497554779},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.40544575452804565},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.3893769383430481},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.3416833281517029},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2874067425727844},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.11091208457946777},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.10243204236030579},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.08577588200569153}],"concepts":[{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.9308344125747681},{"id":"https://openalex.org/C56985126","wikidata":"https://www.wikidata.org/wiki/Q854039","display_name":"Rayleigh fading","level":4,"score":0.7700906991958618},{"id":"https://openalex.org/C6832461","wikidata":"https://www.wikidata.org/wiki/Q5167914","display_name":"Cooperative diversity","level":4,"score":0.723080575466156},{"id":"https://openalex.org/C46257984","wikidata":"https://www.wikidata.org/wiki/Q7310895","display_name":"Relay channel","level":4,"score":0.7125284075737},{"id":"https://openalex.org/C62611344","wikidata":"https://www.wikidata.org/wiki/Q1062658","display_name":"Node (physics)","level":2,"score":0.6913551092147827},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6373663544654846},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.5181185603141785},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.47162365913391113},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.4621582329273224},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.4330088496208191},{"id":"https://openalex.org/C164785522","wikidata":"https://www.wikidata.org/wiki/Q5283966","display_name":"Diversity gain","level":4,"score":0.4307110607624054},{"id":"https://openalex.org/C136817519","wikidata":"https://www.wikidata.org/wiki/Q947493","display_name":"Diversity combining","level":4,"score":0.4220951497554779},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.40544575452804565},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.3893769383430481},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.3416833281517029},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2874067425727844},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.11091208457946777},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.10243204236030579},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.08577588200569153},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","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},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1155/2008/580368","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2008/580368","pdf_url":"https://asp-eurasipjournals.springeropen.com/counter/pdf/10.1155/2008/580368","source":{"id":"https://openalex.org/S35920007","display_name":"EURASIP Journal on Advances in Signal Processing","issn_l":"1687-6172","issn":["1687-6172","1687-6180"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"EURASIP Journal on Advances in Signal Processing","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:dacdabb681744040a759e69f426d3799","is_oa":false,"landing_page_url":"https://doaj.org/article/dacdabb681744040a759e69f426d3799","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"EURASIP Journal on Advances in Signal Processing, Vol 2008 (2008)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1155/2008/580368","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2008/580368","pdf_url":"https://asp-eurasipjournals.springeropen.com/counter/pdf/10.1155/2008/580368","source":{"id":"https://openalex.org/S35920007","display_name":"EURASIP Journal on Advances in Signal Processing","issn_l":"1687-6172","issn":["1687-6172","1687-6180"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"EURASIP Journal on Advances in Signal Processing","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2071879168.pdf","grobid_xml":"https://content.openalex.org/works/W2071879168.grobid-xml"},"referenced_works_count":16,"referenced_works":["https://openalex.org/W1522045078","https://openalex.org/W1667165204","https://openalex.org/W1987058923","https://openalex.org/W2090499479","https://openalex.org/W2125213100","https://openalex.org/W2128295617","https://openalex.org/W2133871706","https://openalex.org/W2140237260","https://openalex.org/W2152121970","https://openalex.org/W2152205538","https://openalex.org/W2157005274","https://openalex.org/W2158714612","https://openalex.org/W2166246268","https://openalex.org/W2169948709","https://openalex.org/W2170422354","https://openalex.org/W3100839090"],"related_works":["https://openalex.org/W3140554627","https://openalex.org/W4289865786","https://openalex.org/W3202327740","https://openalex.org/W2071879168","https://openalex.org/W2137708577","https://openalex.org/W2159494359","https://openalex.org/W2589052322","https://openalex.org/W2041976834","https://openalex.org/W2001784685","https://openalex.org/W1683434193"],"abstract_inverted_index":{"We":[0,164,202],"consider":[1],"an":[2,246],"amplify-and-forward":[3],"(AF)":[4],"cooperative":[5,26,52,192],"diversity":[6,27,53,183,193,319],"system":[7,194],"where":[8,102],"a":[9,14,50,181,225,253],"source":[10,34],"node":[11,16,151],"communicates":[12],"with":[13,55,85,196],"destination":[15,162,242],"directly":[17],"and":[18,68,125,216,299,321],"indirectly":[19],"(through":[20],"multiple":[21],"relays).":[22],"In":[23,90],"regular":[24,51,190],"multiple-relay":[25,191],"systems,":[28],"all":[29],"relay":[30,32,105,145,150],"nodes":[31],"the":[33,65,71,78,86,95,98,103,109,122,126,130,136,149,155,161,167,173,189,212,229,237,241,257,263,267,275,279,284,289,292,295,300,306,310,318,325,343],"signal":[35,239],"using":[36],"orthogonal":[37],"channels":[38,62,82,113],"(time":[39],"slots,":[40],"carriers,":[41],"or":[42],"codes)":[43],"to":[44,223,273,341],"avoid":[45],"cochannel":[46],"interference.":[47],"Hence,":[48],"for":[49,64,70,121,129,207,228,256],"network":[54],"M":[56,60,69,72,141,330],"relays,":[57],"we":[58,93,244,251,304],"need":[59],"+1":[61],"(one":[63,120],"direct":[66,123],"link":[67,124],"indirect":[73,132],"links).":[74],"This":[75,269],"means":[76],"that":[77,152,166],"number":[79,87,137,326],"of":[80,88,97,135,138,175,200,211,234,236,262,278,297,309,327],"required":[81,176],"increases":[83],"linearly":[84],"relays.":[89],"this":[91,118,315],"paper,":[92],"investigate":[94],"performance":[96,280],"best-relay":[99,168],"selection":[100,169],"scheme":[101],"\"best\"":[104],"only":[106,114,171],"participates":[107],"in":[108,117],"relaying.":[110],"Therefore,":[111],"two":[112],"are":[115,338],"needed":[116],"case":[119],"other":[127],"one":[128],"best":[131,144],"link)":[133],"regardless":[134],"relays":[139,328],"(":[140,329],").":[142],"The":[143],"is":[146,186,221,271],"selected":[147],"as":[148,283],"can":[153,332],"achieve":[154],"highest":[156],"signal-to-noise":[157],"ratio":[158],"(SNR)":[159],"at":[160,240,266],"node.":[163],"show":[165],"not":[170],"reduces":[172],"amount":[174,199,296],"resources":[177],"but":[178,195],"also":[179,339],"maintains":[180],"full":[182],"order":[184,320],"(which":[185],"achievable":[187],"by":[188],"much":[197],"more":[198],"resources).":[201],"derive":[203,274,305],"closed":[204],"form":[205],"expressions":[206,277],"tight":[208],"lower":[209],"bounds":[210],"symbol":[213,286,311],"error":[214,287,312],"probability":[215,230],"outage":[217,290],"probability.":[218,313],"Since":[219],"it":[220],"hard":[222],"find":[224,252],"closed-form":[226,254,276],"expression":[227,255],"density":[231],"function":[232,260],"(PDF)":[233],"SNR":[235,265,301],"relayed":[238],"node,":[243],"use":[245],"approximate":[247],"value":[248],"instead.":[249],"Then,":[250],"moment":[258],"generating":[259],"(MGF)":[261],"total":[264],"destination.":[268],"MGF":[270],"used":[272],"metrics":[281],"such":[282],"average":[285,293],"probability,":[288,291],"SNR,":[294],"fading,":[298],"moments.":[302],"Furthermore,":[303],"asymptotic":[307,316],"behavior":[308],"From":[314],"behavior,":[317],"its":[322],"dependence":[323],"on":[324],")":[331],"be":[333],"explicitly":[334],"determined.":[335],"Simulation":[336],"results":[337],"given":[340],"verify":[342],"analytical":[344],"results.":[345]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":8},{"year":2018,"cited_by_count":9},{"year":2017,"cited_by_count":16},{"year":2016,"cited_by_count":10},{"year":2015,"cited_by_count":14},{"year":2014,"cited_by_count":16},{"year":2013,"cited_by_count":18},{"year":2012,"cited_by_count":20}],"updated_date":"2026-07-23T08:03:31.855105","created_date":"2016-06-24T00:00:00"}
