{"id":"https://openalex.org/W4312791426","doi":"https://doi.org/10.1109/lcomm.2022.3211611","title":"Efficient Parameterized Precoder Tracking in Slowly Time-Varying MIMO Channels","display_name":"Efficient Parameterized Precoder Tracking in Slowly Time-Varying MIMO Channels","publication_year":2022,"publication_date":"2022-10-03","ids":{"openalex":"https://openalex.org/W4312791426","doi":"https://doi.org/10.1109/lcomm.2022.3211611"},"language":"en","primary_location":{"id":"doi:10.1109/lcomm.2022.3211611","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2022.3211611","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/A5008432278","display_name":"Naresh Kolla","orcid":"https://orcid.org/0000-0001-8159-6181"},"institutions":[{"id":"https://openalex.org/I162827531","display_name":"Indian Institute of Technology Bombay","ror":"https://ror.org/02qyf5152","country_code":"IN","type":"education","lineage":["https://openalex.org/I162827531"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Naresh Kolla","raw_affiliation_strings":["Indian Institute of Technology Bombay, Mumbai, India"],"affiliations":[{"raw_affiliation_string":"Indian Institute of Technology Bombay, Mumbai, India","institution_ids":["https://openalex.org/I162827531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045135576","display_name":"Kumar Appaiah","orcid":"https://orcid.org/0000-0002-3149-4416"},"institutions":[{"id":"https://openalex.org/I162827531","display_name":"Indian Institute of Technology Bombay","ror":"https://ror.org/02qyf5152","country_code":"IN","type":"education","lineage":["https://openalex.org/I162827531"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Kumar Appaiah","raw_affiliation_strings":["Indian Institute of Technology Bombay, Mumbai, India"],"affiliations":[{"raw_affiliation_string":"Indian Institute of Technology Bombay, Mumbai, India","institution_ids":["https://openalex.org/I162827531"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5021436255","display_name":"Ribhu Chopra","orcid":null},"institutions":[{"id":"https://openalex.org/I1317621060","display_name":"Indian Institute of Technology Guwahati","ror":"https://ror.org/0022nd079","country_code":"IN","type":"education","lineage":["https://openalex.org/I1317621060"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Ribhu Chopra","raw_affiliation_strings":["Indian Institute of Technology Guwahati, Guwahati, India"],"affiliations":[{"raw_affiliation_string":"Indian Institute of Technology Guwahati, Guwahati, India","institution_ids":["https://openalex.org/I1317621060"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5008432278"],"corresponding_institution_ids":["https://openalex.org/I162827531"],"apc_list":null,"apc_paid":null,"fwci":0.0915,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.42358068,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"27","issue":"1","first_page":"298","last_page":"302"},"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/T11409","display_name":"Advanced Wireless Network Optimization","score":0.9988999962806702,"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":0.9987999796867371,"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/mimo","display_name":"MIMO","score":0.8408206701278687},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.7533156871795654},{"id":"https://openalex.org/keywords/parameterized-complexity","display_name":"Parameterized complexity","score":0.679674506187439},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6136994361877441},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.6044768691062927},{"id":"https://openalex.org/keywords/partition","display_name":"Partition (number theory)","score":0.4983367919921875},{"id":"https://openalex.org/keywords/diagonal","display_name":"Diagonal","score":0.4847526252269745},{"id":"https://openalex.org/keywords/constant","display_name":"Constant (computer programming)","score":0.4421488046646118},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.32598787546157837},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.31806325912475586},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.16844314336776733},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.1293795108795166},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.09292012453079224}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.8408206701278687},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.7533156871795654},{"id":"https://openalex.org/C165464430","wikidata":"https://www.wikidata.org/wiki/Q1570441","display_name":"Parameterized complexity","level":2,"score":0.679674506187439},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6136994361877441},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.6044768691062927},{"id":"https://openalex.org/C42812","wikidata":"https://www.wikidata.org/wiki/Q1082910","display_name":"Partition (number theory)","level":2,"score":0.4983367919921875},{"id":"https://openalex.org/C130367717","wikidata":"https://www.wikidata.org/wiki/Q189791","display_name":"Diagonal","level":2,"score":0.4847526252269745},{"id":"https://openalex.org/C2777027219","wikidata":"https://www.wikidata.org/wiki/Q1284190","display_name":"Constant (computer programming)","level":2,"score":0.4421488046646118},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.32598787546157837},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.31806325912475586},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.16844314336776733},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.1293795108795166},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.09292012453079224},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","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},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lcomm.2022.3211611","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2022.3211611","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":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W1997834106","https://openalex.org/W2051330971","https://openalex.org/W2093266144","https://openalex.org/W2102736780","https://openalex.org/W2113271807","https://openalex.org/W2115573600","https://openalex.org/W2117616158","https://openalex.org/W2120732454","https://openalex.org/W2135766253","https://openalex.org/W2161515500","https://openalex.org/W2510117656","https://openalex.org/W2542485935","https://openalex.org/W2599757595","https://openalex.org/W3032791025","https://openalex.org/W3146660735","https://openalex.org/W3159913259","https://openalex.org/W3177079778","https://openalex.org/W3213537883","https://openalex.org/W6728721028","https://openalex.org/W6735314411"],"related_works":["https://openalex.org/W2051058708","https://openalex.org/W4281688526","https://openalex.org/W2152088989","https://openalex.org/W2489379490","https://openalex.org/W2141031289","https://openalex.org/W1686955344","https://openalex.org/W2217273853","https://openalex.org/W2512989490","https://openalex.org/W3014065338","https://openalex.org/W4224305675"],"abstract_inverted_index":{"Precoding":[0],"in":[1],"MIMO":[2,44],"wireless":[3],"communication":[4],"systems":[5],"is":[6],"essential":[7],"for":[8,42],"achieving":[9],"high":[10,91],"data":[11],"rates.":[12],"However,":[13],"feeding":[14],"back":[15,58],"precoders":[16],"places":[17],"a":[18],"feedback":[19,28,33,96],"burden.":[20],"Exploiting":[21],"temporal":[22],"correlation":[23],"and":[24,55],"use":[25],"of":[26],"adaptive":[27],"can":[29],"significantly":[30],"reduce":[31],"the":[32],"requirement,":[34],"but":[35],"even":[36],"this":[37,88],"does":[38],"not":[39],"scale":[40],"well":[41],"larger":[43],"systems.":[45],"We":[46],"propose":[47],"an":[48],"approach":[49],"to":[50],"partition":[51],"precoder":[52,68],"update":[53],"parameters,":[54],"selectively":[56],"feed":[57],"only":[59,82],"those":[60],"parameters":[61],"that":[62,87],"vary":[63],"significantly.":[64],"Specifically,":[65],"we":[66],"express":[67],"variations":[69],"as":[70],"zero-diagonal":[71],"complex":[72],"matrices":[73],"whose":[74],"elements":[75],"have":[76],"nearly":[77],"constant":[78],"magnitude,":[79],"thus":[80],"requiring":[81],"phase":[83],"information.":[84],"Simulations":[85],"reveal":[86],"method":[89],"achieves":[90],"rates":[92],"at":[93],"50%":[94],"lower":[95],"than":[97],"prior":[98],"approaches.":[99]},"counts_by_year":[{"year":2024,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}