{"id":"https://openalex.org/W2774784866","doi":"https://doi.org/10.1109/tcomm.2017.2780100","title":"Fractional Pilot Duration Optimization for SIMO in Rayleigh Fading With MPSK and Imperfect CSI","display_name":"Fractional Pilot Duration Optimization for SIMO in Rayleigh Fading With MPSK and Imperfect CSI","publication_year":2017,"publication_date":"2017-12-06","ids":{"openalex":"https://openalex.org/W2774784866","doi":"https://doi.org/10.1109/tcomm.2017.2780100","mag":"2774784866"},"language":"en","primary_location":{"id":"doi:10.1109/tcomm.2017.2780100","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2017.2780100","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"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/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Communications","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/A5041985939","display_name":"Ranjan K. Mallik","orcid":"https://orcid.org/0000-0002-0210-5282"},"institutions":[{"id":"https://openalex.org/I68891433","display_name":"Indian Institute of Technology Delhi","ror":"https://ror.org/049tgcd06","country_code":"IN","type":"education","lineage":["https://openalex.org/I68891433"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Ranjan K. Mallik","raw_affiliation_strings":["Department of Electrical Engineering, Indian Institute of Technology-Delhi, Hauz Khas, New Delhi, India"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Indian Institute of Technology-Delhi, Hauz Khas, New Delhi, India","institution_ids":["https://openalex.org/I68891433"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035838103","display_name":"Manav R. Bhatnagar","orcid":"https://orcid.org/0000-0003-0612-594X"},"institutions":[{"id":"https://openalex.org/I68891433","display_name":"Indian Institute of Technology Delhi","ror":"https://ror.org/049tgcd06","country_code":"IN","type":"education","lineage":["https://openalex.org/I68891433"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Manav R. Bhatnagar","raw_affiliation_strings":["Department of Electrical Engineering, Indian Institute of Technology-Delhi, Hauz Khas, New Delhi, India"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Indian Institute of Technology-Delhi, Hauz Khas, New Delhi, India","institution_ids":["https://openalex.org/I68891433"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5060025048","display_name":"Soumya P. Dash","orcid":"https://orcid.org/0000-0001-8600-5838"},"institutions":[{"id":"https://openalex.org/I68891433","display_name":"Indian Institute of Technology Delhi","ror":"https://ror.org/049tgcd06","country_code":"IN","type":"education","lineage":["https://openalex.org/I68891433"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Soumya P. Dash","raw_affiliation_strings":["Department of Electrical Engineering, Indian Institute of Technology-Delhi, Hauz Khas, New Delhi, India"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Indian Institute of Technology-Delhi, Hauz Khas, New Delhi, India","institution_ids":["https://openalex.org/I68891433"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5041985939"],"corresponding_institution_ids":["https://openalex.org/I68891433"],"apc_list":null,"apc_paid":null,"fwci":0.2914,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.61868041,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"66","issue":"4","first_page":"1732","last_page":"1744"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":1.0,"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":0.9998999834060669,"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9987000226974487,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.6601479649543762},{"id":"https://openalex.org/keywords/rayleigh-fading","display_name":"Rayleigh fading","score":0.6465427875518799},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.5899413228034973},{"id":"https://openalex.org/keywords/bit-error-rate","display_name":"Bit error rate","score":0.5578601360321045},{"id":"https://openalex.org/keywords/phase-shift-keying","display_name":"Phase-shift keying","score":0.5499144196510315},{"id":"https://openalex.org/keywords/diversity-combining","display_name":"Diversity combining","score":0.4896278977394104},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.48683470487594604},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.46943190693855286},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.469421923160553},{"id":"https://openalex.org/keywords/symbol-rate","display_name":"Symbol rate","score":0.46084830164909363},{"id":"https://openalex.org/keywords/diversity-scheme","display_name":"Diversity scheme","score":0.4282826781272888},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.42303597927093506},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4200902581214905},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.41182494163513184},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.3222491145133972},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2969440519809723}],"concepts":[{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.6601479649543762},{"id":"https://openalex.org/C56985126","wikidata":"https://www.wikidata.org/wiki/Q854039","display_name":"Rayleigh fading","level":4,"score":0.6465427875518799},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.5899413228034973},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.5578601360321045},{"id":"https://openalex.org/C186378180","wikidata":"https://www.wikidata.org/wiki/Q4874866","display_name":"Phase-shift keying","level":4,"score":0.5499144196510315},{"id":"https://openalex.org/C136817519","wikidata":"https://www.wikidata.org/wiki/Q947493","display_name":"Diversity combining","level":4,"score":0.4896278977394104},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.48683470487594604},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.46943190693855286},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.469421923160553},{"id":"https://openalex.org/C74645175","wikidata":"https://www.wikidata.org/wiki/Q428083","display_name":"Symbol rate","level":4,"score":0.46084830164909363},{"id":"https://openalex.org/C198746922","wikidata":"https://www.wikidata.org/wiki/Q1230593","display_name":"Diversity scheme","level":4,"score":0.4282826781272888},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.42303597927093506},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4200902581214905},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.41182494163513184},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.3222491145133972},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2969440519809723}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcomm.2017.2780100","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2017.2780100","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"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/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":35,"referenced_works":["https://openalex.org/W595252221","https://openalex.org/W1522045078","https://openalex.org/W1742025596","https://openalex.org/W1979492528","https://openalex.org/W1987654580","https://openalex.org/W1996011018","https://openalex.org/W2059335839","https://openalex.org/W2102242572","https://openalex.org/W2106929598","https://openalex.org/W2113945550","https://openalex.org/W2117558690","https://openalex.org/W2117577252","https://openalex.org/W2117595685","https://openalex.org/W2119226586","https://openalex.org/W2120448795","https://openalex.org/W2122930821","https://openalex.org/W2129314348","https://openalex.org/W2137917773","https://openalex.org/W2140229702","https://openalex.org/W2149108093","https://openalex.org/W2152670498","https://openalex.org/W2154456549","https://openalex.org/W2158377227","https://openalex.org/W2163038284","https://openalex.org/W2165599516","https://openalex.org/W2167110873","https://openalex.org/W2172081628","https://openalex.org/W2344448666","https://openalex.org/W2398586893","https://openalex.org/W2493309683","https://openalex.org/W2517325173","https://openalex.org/W2610335499","https://openalex.org/W3148388057","https://openalex.org/W6637623479","https://openalex.org/W6677654145"],"related_works":["https://openalex.org/W301676527","https://openalex.org/W1511904591","https://openalex.org/W1818073027","https://openalex.org/W2070177675","https://openalex.org/W1966418703","https://openalex.org/W2110793934","https://openalex.org/W2130867916","https://openalex.org/W1994554182","https://openalex.org/W1583202008","https://openalex.org/W2545273393"],"abstract_inverted_index":{"In":[0],"a":[1,34,113],"communication":[2,118],"system":[3,119,167],"employing":[4,132],"coherent":[5],"reception,":[6],"pilot":[7,31,108,147,175],"symbols":[8],"are":[9,151,162],"used":[10],"for":[11,33,45,102,143,153],"estimating":[12],"the":[13,19,29,81,92,144,154,166,188],"channel":[14],"state":[15],"information":[16],"(CSI)":[17],"at":[18],"receiver.":[20],"The":[21],"amount":[22],"of":[23,180],"training,":[24],"which":[25],"is":[26,185],"quantified":[27],"by":[28,91],"fractional":[30],"duration":[32,110,149],"fixed-length":[35],"pilot-plus-data":[36],"frame,":[37],"should":[38],"be":[39],"kept":[40],"as":[41,43],"low":[42],"possible":[44],"saving":[46],"bandwidth":[47],"and":[48,88,124,137,178],"increasing":[49,71],"data":[50,68,78,89,95,193],"rate.":[51,79],"However,":[52],"reducing":[53],"training":[54,72],"leads":[55],"to":[56,61,107,164,197],"degraded":[57],"error":[58,74,85],"performance":[59,75],"due":[60],"poor":[62],"CSI":[63],"estimate":[64],"although":[65],"it":[66],"increases":[67],"rate,":[69,96],"while":[70],"improves":[73],"but":[76],"reduces":[77],"Expressing":[80],"tradeoff":[82],"between":[83],"symbol":[84,109,148,176],"probability":[86],"(SEP)":[87],"rate":[90,194],"normalized":[93,191],"error-free":[94,192],"we":[97],"present":[98],"an":[99],"analytical":[100],"framework":[101],"its":[103],"maximization":[104],"with":[105,120,169,195],"respect":[106],"fraction":[111,150],"in":[112,171],"pilot-aided":[114],"single-input":[115],"multiple-output":[116],"wireless":[117],"reception":[121],"over":[122],"independent":[123],"identically":[125],"distributed":[126],"flat":[127],"Rayleigh":[128],"fading":[129],"diversity":[130,182],"branches,":[131],"M":[133],"-ary":[134],"phase-shift":[135],"keying,":[136],"using":[138],"maximal-ratio":[139],"combining.":[140],"Closed-form":[141],"expressions":[142],"approximate":[145],"optimal":[146],"derived":[152],"high":[155],"signal-to-noise":[156],"ratio":[157],"(SNR)":[158],"case.":[159],"Numerical":[160],"results":[161],"presented":[163],"highlight":[165],"behavior":[168],"changes":[170],"parameters":[172],"like":[173],"SNR,":[174],"quality,":[177],"number":[179],"receive":[181],"branches.":[183],"It":[184],"found":[186],"that":[187],"optimization":[189],"maximizes":[190],"close":[196],"minimum":[198],"SEP.":[199]},"counts_by_year":[{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2018,"cited_by_count":2}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}