{"id":"https://openalex.org/W2965872306","doi":"https://doi.org/10.1109/lcomm.2019.2931433","title":"On Impact of Imperfect CSI Over Hexagonal QAM for TAS/MRC-MIMO Cooperative Relay Network","display_name":"On Impact of Imperfect CSI Over Hexagonal QAM for TAS/MRC-MIMO Cooperative Relay Network","publication_year":2019,"publication_date":"2019-07-29","ids":{"openalex":"https://openalex.org/W2965872306","doi":"https://doi.org/10.1109/lcomm.2019.2931433","mag":"2965872306"},"language":"en","primary_location":{"id":"doi:10.1109/lcomm.2019.2931433","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2019.2931433","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/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 Communications 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/A5074823529","display_name":"Parvez Shaik","orcid":"https://orcid.org/0000-0002-3125-1051"},"institutions":[{"id":"https://openalex.org/I64295750","display_name":"Indian Institute of Technology Indore","ror":"https://ror.org/01hhf7w52","country_code":"IN","type":"education","lineage":["https://openalex.org/I64295750"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Parvez Shaik","raw_affiliation_strings":["Department of Electrical Engineering, Indian Institute of Technology Indore, Indore, India"],"raw_orcid":"https://orcid.org/0000-0002-3125-1051","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Indian Institute of Technology Indore, Indore, India","institution_ids":["https://openalex.org/I64295750"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028180746","display_name":"Praveen Kumar Singya","orcid":"https://orcid.org/0000-0003-1602-3525"},"institutions":[{"id":"https://openalex.org/I64295750","display_name":"Indian Institute of Technology Indore","ror":"https://ror.org/01hhf7w52","country_code":"IN","type":"education","lineage":["https://openalex.org/I64295750"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Praveen Kumar Singya","raw_affiliation_strings":["Department of Electrical Engineering, Indian Institute of Technology Indore, Indore, India"],"raw_orcid":"https://orcid.org/0000-0003-1602-3525","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Indian Institute of Technology Indore, Indore, India","institution_ids":["https://openalex.org/I64295750"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5050580025","display_name":"Vimal Bhatia","orcid":"https://orcid.org/0000-0001-5148-6643"},"institutions":[{"id":"https://openalex.org/I64295750","display_name":"Indian Institute of Technology Indore","ror":"https://ror.org/01hhf7w52","country_code":"IN","type":"education","lineage":["https://openalex.org/I64295750"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Vimal Bhatia","raw_affiliation_strings":["Department of Electrical Engineering, Indian Institute of Technology Indore, Indore, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Indian Institute of Technology Indore, Indore, India","institution_ids":["https://openalex.org/I64295750"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.0273,"has_fulltext":false,"cited_by_count":40,"citation_normalized_percentile":{"value":0.91782777,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"23","issue":"10","first_page":"1721","last_page":"1724"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","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"}},"topics":[{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","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":0.9998999834060669,"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/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/qam","display_name":"QAM","score":0.8127622604370117},{"id":"https://openalex.org/keywords/quadrature-amplitude-modulation","display_name":"Quadrature amplitude modulation","score":0.7540826201438904},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6881240606307983},{"id":"https://openalex.org/keywords/nakagami-distribution","display_name":"Nakagami distribution","score":0.6609825491905212},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.6171866059303284},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5400678515434265},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.4778951406478882},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.41054925322532654},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.39992082118988037},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.383181631565094},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.37196749448776245},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3617106080055237},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.33908089995384216},{"id":"https://openalex.org/keywords/bit-error-rate","display_name":"Bit error rate","score":0.27111655473709106},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.12200945615768433},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.07553079724311829}],"concepts":[{"id":"https://openalex.org/C59030546","wikidata":"https://www.wikidata.org/wiki/Q7265371","display_name":"QAM","level":5,"score":0.8127622604370117},{"id":"https://openalex.org/C32409245","wikidata":"https://www.wikidata.org/wiki/Q749753","display_name":"Quadrature amplitude modulation","level":4,"score":0.7540826201438904},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6881240606307983},{"id":"https://openalex.org/C115098869","wikidata":"https://www.wikidata.org/wiki/Q3258347","display_name":"Nakagami distribution","level":4,"score":0.6609825491905212},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.6171866059303284},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5400678515434265},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.4778951406478882},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.41054925322532654},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.39992082118988037},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.383181631565094},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.37196749448776245},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3617106080055237},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.33908089995384216},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.27111655473709106},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.12200945615768433},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.07553079724311829},{"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":[{"id":"doi:10.1109/lcomm.2019.2931433","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2019.2931433","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/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 Communications Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8999999761581421,"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":17,"referenced_works":["https://openalex.org/W604181985","https://openalex.org/W1490674876","https://openalex.org/W2026845644","https://openalex.org/W2096074186","https://openalex.org/W2106527613","https://openalex.org/W2107084511","https://openalex.org/W2112507157","https://openalex.org/W2112544308","https://openalex.org/W2149040914","https://openalex.org/W2514367933","https://openalex.org/W2598261058","https://openalex.org/W2760752055","https://openalex.org/W2760934367","https://openalex.org/W2771310223","https://openalex.org/W2962952976","https://openalex.org/W3113221786","https://openalex.org/W4293263215"],"related_works":["https://openalex.org/W2128350152","https://openalex.org/W2121824117","https://openalex.org/W2118931651","https://openalex.org/W2049075887","https://openalex.org/W2088183555","https://openalex.org/W2115794616","https://openalex.org/W2164974156","https://openalex.org/W2103831785","https://openalex.org/W3000477998","https://openalex.org/W1967099468"],"abstract_inverted_index":{"In":[0],"this":[1],"letter,":[2],"we":[3],"investigate":[4],"the":[5,31,47,52,57,63,71,100,104,108,115],"effect":[6],"of":[7,94,102],"imperfect":[8,109],"channel":[9],"state":[10],"information":[11],"(CSI)":[12],"on":[13],"quadrature":[14],"amplitude":[15],"modulation":[16],"(QAM)":[17],"schemes":[18,97],"for":[19,62,76,111],"a":[20],"multi-input":[21],"and":[22,37,70,81,107],"multi-output":[23],"(MIMO)":[24],"variable":[25],"gain":[26],"non-regenerative":[27],"cooperative":[28],"network":[29],"over":[30],"generalized":[32],"Nakagami-m":[33],"fading":[34,105],"channel.":[35],"Energy-efficient":[36],"standardized":[38],"transmit":[39],"antenna":[40,53],"selection":[41],"strategy":[42],"is":[43],"employed,":[44],"to":[45],"evaluate":[46],"system":[48],"performance":[49],"by":[50,98],"considering":[51,99],"link,":[54],"which":[55],"maximizes":[56],"received":[58],"signal":[59],"power.":[60],"Framework":[61],"upper-bound":[64],"outage":[65],"probability":[66],"(OP),":[67],"asymptotic":[68],"OP":[69],"average":[72],"symbol":[73],"error":[74],"rate":[75],"hexagonal":[77],"QAM,":[78,80],"rectangular":[79],"32-cross":[82],"QAM":[83,96],"are":[84,88,119],"provided.":[85],"Useful":[86],"insights":[87],"drawn":[89],"from":[90],"comparative":[91],"ASER":[92],"analysis":[93],"various":[95],"impact":[101],"both":[103],"parameter":[106],"CSI":[110],"MIMO":[112],"channels.":[113],"Finally,":[114],"derived":[116],"analytical":[117],"results":[118],"validated":[120],"through":[121],"Monte-Carlo":[122],"simulations.":[123]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":8},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":11},{"year":2020,"cited_by_count":9},{"year":2019,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
