{"id":"https://openalex.org/W2785657384","doi":"https://doi.org/10.1109/intellect.2017.8277635","title":"How imperfect orthogonality of pilot affects channel estimation and data recovery techniques in massive MIMO system","display_name":"How imperfect orthogonality of pilot affects channel estimation and data recovery techniques in massive MIMO system","publication_year":2017,"publication_date":"2017-11-01","ids":{"openalex":"https://openalex.org/W2785657384","doi":"https://doi.org/10.1109/intellect.2017.8277635","mag":"2785657384"},"language":"en","primary_location":{"id":"doi:10.1109/intellect.2017.8277635","doi":"https://doi.org/10.1109/intellect.2017.8277635","is_oa":false,"landing_page_url":"https://doi.org/10.1109/intellect.2017.8277635","pdf_url":null,"source":{"id":"https://openalex.org/S7407106314","display_name":"International Conference on Latest Trends in Electrical Engineering and Computing Technologies (INTELLECT)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 First International Conference on Latest trends in Electrical Engineering and Computing Technologies (INTELLECT)","raw_type":"proceedings-article"},"volume":null,"type":"conference-paper","is_traditional":true,"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/A5039193865","display_name":"Muhammad Ahsan Shaikh","orcid":"https://orcid.org/0000-0003-2408-5689","observed_orcids":["https://orcid.org/0000-0003-2408-5689"]},"institutions":[{"id":"https://openalex.org/I191365509","display_name":"Hamdard University","ror":"https://ror.org/01zrv0z61","country_code":"PK","type":"education","lineage":["https://openalex.org/I191365509"]}],"countries":["PK"],"is_corresponding":false,"raw_author_name":"Muhammad Ahsan Shaikh","raw_affiliation_strings":["Faculty of Engineering Sciences & Technology, Hamdard University, Karachi, Pakistan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Engineering Sciences & Technology, Hamdard University, Karachi, Pakistan","institution_ids":["https://openalex.org/I191365509"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010656097","display_name":"Vali Uddin","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I191365509","display_name":"Hamdard University","ror":"https://ror.org/01zrv0z61","country_code":"PK","type":"education","lineage":["https://openalex.org/I191365509"]}],"countries":["PK"],"is_corresponding":false,"raw_author_name":"Vali Uddin","raw_affiliation_strings":["Faculty of Engineering Sciences & Technology, Hamdard University, Karachi, Pakistan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Engineering Sciences & Technology, Hamdard University, Karachi, Pakistan","institution_ids":["https://openalex.org/I191365509"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5057263563","display_name":"Muhammad Moinuddin","orcid":"https://orcid.org/0000-0003-4735-0692","observed_orcids":["https://orcid.org/0000-0003-4735-0692"]},"institutions":[{"id":"https://openalex.org/I185163786","display_name":"King Abdulaziz University","ror":"https://ror.org/02ma4wv74","country_code":"SA","type":"education","lineage":["https://openalex.org/I185163786"]}],"countries":["SA"],"is_corresponding":false,"raw_author_name":"Muhammad Moinuddin","raw_affiliation_strings":["Department of Electrical and Computer Engineering, King Abdulaziz University, Jeddah, Saudi Arabia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, King Abdulaziz University, Jeddah, Saudi Arabia","institution_ids":["https://openalex.org/I185163786"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9887999892234802,"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":0.9887999892234802,"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":0.0052999998442828655,"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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.003000000026077032,"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/pilot-contamination","display_name":"pilot contamination","score":0.5600000023841858},{"id":"https://openalex.org/keywords/massive-mimo","display_name":"massive MIMO","score":0.8109999895095825},{"id":"https://openalex.org/keywords/channel-estimation","display_name":"channel estimation","score":0.9359999895095825},{"id":"https://openalex.org/keywords/mmse-estimation","display_name":"MMSE estimation","score":0.8330000042915344},{"id":"https://openalex.org/keywords/data-recovery","display_name":"data recovery","score":0.8820000290870667},{"id":"https://openalex.org/keywords/multiuser-systems","display_name":"multi-user systems","score":0.6769999861717224},{"id":"https://openalex.org/keywords/intercell-interference","display_name":"inter-cell interference","score":0.5090000033378601}],"concepts":[{"id":"https://openalex.org/C17137986","wikidata":"https://www.wikidata.org/wiki/Q215067","display_name":"Orthogonality","level":2,"score":0.9513733386993408},{"id":"https://openalex.org/C2780310539","wikidata":"https://www.wikidata.org/wiki/Q12547192","display_name":"Imperfect","level":2,"score":0.7784469127655029},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7772464752197266},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.7451428771018982},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6354210376739502},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.63132643699646},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.6305294036865234},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.4502248167991638},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3961833715438843},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3298831880092621},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2013254463672638},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/intellect.2017.8277635","doi":"https://doi.org/10.1109/intellect.2017.8277635","is_oa":false,"landing_page_url":"https://doi.org/10.1109/intellect.2017.8277635","pdf_url":null,"source":{"id":"https://openalex.org/S7407106314","display_name":"International Conference on Latest Trends in Electrical Engineering and Computing Technologies (INTELLECT)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 First International Conference on Latest trends in Electrical Engineering and Computing Technologies (INTELLECT)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W1528653255","https://openalex.org/W1853498524","https://openalex.org/W2023535408","https://openalex.org/W2047459700","https://openalex.org/W2128513990","https://openalex.org/W2141682101","https://openalex.org/W2143127988","https://openalex.org/W2145478445","https://openalex.org/W2147601077","https://openalex.org/W2162042886","https://openalex.org/W2169227282","https://openalex.org/W2206127202","https://openalex.org/W2539198515","https://openalex.org/W2761204849","https://openalex.org/W3159913259"],"related_works":["https://openalex.org/W2770901053","https://openalex.org/W1985120115","https://openalex.org/W2901799066","https://openalex.org/W3176091373","https://openalex.org/W2587375609","https://openalex.org/W2047459700","https://openalex.org/W2594550849","https://openalex.org/W4310921751","https://openalex.org/W2998659247","https://openalex.org/W3005366859"],"abstract_inverted_index":{"This":[0],"paper":[1],"analyzes":[2],"the":[3,31,85,101],"impact":[4],"of":[5,8,22,42,80,87,93],"imperfect":[6,65,105],"orthogonality":[7,61],"pilot":[9,45,56,107],"on":[10],"channel":[11,81,103],"estimation":[12,82],"in":[13,30,64],"Multiuser":[14],"Massive":[15],"MIMO":[16],"system.":[17],"There":[18],"are":[19,47],"K":[20],"number":[21,41],"decentralized":[23],"User":[24],"Equipment":[25],"(UE)":[26],"having":[27],"single":[28],"antenna":[29],"system":[32],"and":[33,62],"Base":[34],"Station":[35],"(BS)":[36],"equipped":[37],"with":[38,72],"very":[39],"large":[40],"antennas.":[43],"Ideally,":[44],"symbols":[46,57],"supposed":[48],"to":[49,54,100],"be":[50],"orthogonal":[51,106],"but":[52],"due":[53,99],"interference,":[55],"could":[58],"not":[59],"intact":[60],"result":[63],"orthogonality.":[66],"Thus,":[67],"its":[68],"effect":[69],"is":[70,96],"analyzed":[71],"a":[73],"MMSE":[74],"based":[75],"Channel":[76],"Estimation":[77],"algorithm.":[78,90],"Performance":[79],"directly":[83],"affects":[84],"performance":[86,92],"data":[88,94],"recovery":[89,95],"Therefore,":[91],"also":[97],"investigated":[98],"estimated":[102],"using":[104],"symbol.":[108]},"counts_by_year":[{"year":2023,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2018-02-23T00:00:00"}
