{"id":"https://openalex.org/W4312373013","doi":"https://doi.org/10.1109/lcomm.2022.3229469","title":"Spectrally-Null-Constrained ZCZ Sequences for MIMO-OFDM Channel Estimation Over Non-Contiguous Carriers","display_name":"Spectrally-Null-Constrained ZCZ Sequences for MIMO-OFDM Channel Estimation Over Non-Contiguous Carriers","publication_year":2022,"publication_date":"2022-12-15","ids":{"openalex":"https://openalex.org/W4312373013","doi":"https://doi.org/10.1109/lcomm.2022.3229469"},"language":"en","primary_location":{"id":"doi:10.1109/lcomm.2022.3229469","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2022.3229469","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/A5100690988","display_name":"Yubo Li","orcid":"https://orcid.org/0000-0002-0037-1528"},"institutions":[{"id":"https://openalex.org/I39333907","display_name":"Yanshan University","ror":"https://ror.org/02txfnf15","country_code":"CN","type":"education","lineage":["https://openalex.org/I39333907"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yubo Li","raw_affiliation_strings":["School of Information Science and Engineering, Yanshan University, Qinhuangdao, China","Hebei Key Laboratory of Information Transmission and Signal Processing, Qinhuangdao, China"],"affiliations":[{"raw_affiliation_string":"School of Information Science and Engineering, Yanshan University, Qinhuangdao, China","institution_ids":["https://openalex.org/I39333907"]},{"raw_affiliation_string":"Hebei Key Laboratory of Information Transmission and Signal Processing, Qinhuangdao, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058136585","display_name":"Liying Tian","orcid":"https://orcid.org/0000-0002-2990-0550"},"institutions":[{"id":"https://openalex.org/I39333907","display_name":"Yanshan University","ror":"https://ror.org/02txfnf15","country_code":"CN","type":"education","lineage":["https://openalex.org/I39333907"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Liying Tian","raw_affiliation_strings":["School of Information Science and Engineering, Yanshan University, Qinhuangdao, China","Hebei Key Laboratory of Information Transmission and Signal Processing, Qinhuangdao, China"],"affiliations":[{"raw_affiliation_string":"School of Information Science and Engineering, Yanshan University, Qinhuangdao, China","institution_ids":["https://openalex.org/I39333907"]},{"raw_affiliation_string":"Hebei Key Laboratory of Information Transmission and Signal Processing, Qinhuangdao, China","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5063786356","display_name":"Yihuang Zeng","orcid":null},"institutions":[{"id":"https://openalex.org/I39333907","display_name":"Yanshan University","ror":"https://ror.org/02txfnf15","country_code":"CN","type":"education","lineage":["https://openalex.org/I39333907"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yihuang Zeng","raw_affiliation_strings":["School of Information Science and Engineering, Yanshan University, Qinhuangdao, China","Hebei Key Laboratory of Information Transmission and Signal Processing, Qinhuangdao, China"],"affiliations":[{"raw_affiliation_string":"School of Information Science and Engineering, Yanshan University, Qinhuangdao, China","institution_ids":["https://openalex.org/I39333907"]},{"raw_affiliation_string":"Hebei Key Laboratory of Information Transmission and Signal Processing, Qinhuangdao, China","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5100690988"],"corresponding_institution_ids":["https://openalex.org/I39333907"],"apc_list":null,"apc_paid":null,"fwci":0.7319,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.6943376,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":98},"biblio":{"volume":"27","issue":"2","first_page":"442","last_page":"446"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","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/T10125","display_name":"Advanced Wireless Communication Techniques","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/T10575","display_name":"Wireless Communication Networks Research","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/T11873","display_name":"PAPR reduction in OFDM","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"}}],"keywords":[{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.7079671621322632},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6467269659042358},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6063905358314514},{"id":"https://openalex.org/keywords/null","display_name":"Null (SQL)","score":0.5993012189865112},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.5889179706573486},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5506682395935059},{"id":"https://openalex.org/keywords/constraint","display_name":"Constraint (computer-aided design)","score":0.5340529680252075},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5077081918716431},{"id":"https://openalex.org/keywords/mimo-ofdm","display_name":"MIMO-OFDM","score":0.49091750383377075},{"id":"https://openalex.org/keywords/synchronization","display_name":"Synchronization (alternating current)","score":0.43418529629707336},{"id":"https://openalex.org/keywords/sequence","display_name":"Sequence (biology)","score":0.43164291977882385},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.4302104711532593},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4030110239982605},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.3703250288963318},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.21524474024772644},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.10964298248291016}],"concepts":[{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.7079671621322632},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6467269659042358},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6063905358314514},{"id":"https://openalex.org/C203763787","wikidata":"https://www.wikidata.org/wiki/Q371029","display_name":"Null (SQL)","level":2,"score":0.5993012189865112},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.5889179706573486},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5506682395935059},{"id":"https://openalex.org/C2776036281","wikidata":"https://www.wikidata.org/wiki/Q48769818","display_name":"Constraint (computer-aided design)","level":2,"score":0.5340529680252075},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5077081918716431},{"id":"https://openalex.org/C130946814","wikidata":"https://www.wikidata.org/wiki/Q5988271","display_name":"MIMO-OFDM","level":4,"score":0.49091750383377075},{"id":"https://openalex.org/C2778562939","wikidata":"https://www.wikidata.org/wiki/Q1298791","display_name":"Synchronization (alternating current)","level":3,"score":0.43418529629707336},{"id":"https://openalex.org/C2778112365","wikidata":"https://www.wikidata.org/wiki/Q3511065","display_name":"Sequence (biology)","level":2,"score":0.43164291977882385},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.4302104711532593},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4030110239982605},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.3703250288963318},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.21524474024772644},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.10964298248291016},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.0},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lcomm.2022.3229469","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2022.3229469","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":[{"id":"https://openalex.org/G365885594","display_name":null,"funder_award_id":"62241110","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3662603376","display_name":null,"funder_award_id":"F2020203043","funder_id":"https://openalex.org/F4320322163","funder_display_name":"Natural Science Foundation of Hebei Province"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320322163","display_name":"Natural Science Foundation of Hebei Province","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":25,"referenced_works":["https://openalex.org/W1970623787","https://openalex.org/W1972651476","https://openalex.org/W2016651583","https://openalex.org/W2063146632","https://openalex.org/W2066530892","https://openalex.org/W2069304655","https://openalex.org/W2100861635","https://openalex.org/W2124534075","https://openalex.org/W2138706041","https://openalex.org/W2145603877","https://openalex.org/W2166543239","https://openalex.org/W2261154172","https://openalex.org/W2582192222","https://openalex.org/W2791220128","https://openalex.org/W2795172492","https://openalex.org/W2887065441","https://openalex.org/W2952524484","https://openalex.org/W2962834015","https://openalex.org/W3043342678","https://openalex.org/W3085746483","https://openalex.org/W3158058267","https://openalex.org/W4206291972","https://openalex.org/W4243205024","https://openalex.org/W4286373832","https://openalex.org/W6781376924"],"related_works":["https://openalex.org/W3118536199","https://openalex.org/W2366188968","https://openalex.org/W2134916061","https://openalex.org/W2159772567","https://openalex.org/W4393237428","https://openalex.org/W3168365631","https://openalex.org/W3016860855","https://openalex.org/W2188042986","https://openalex.org/W2155567810","https://openalex.org/W2539022530"],"abstract_inverted_index":{"In":[0,21],"cognitive":[1],"radio":[2],"(CR)":[3],"networks":[4],"with":[5,12,29,70],"non-continuous":[6],"carriers,":[7],"designing":[8],"spectrally-null-constrained":[9],"(SNC)":[10],"sequences":[11,28,39,44,89],"good":[13],"correlation":[14,31],"properties":[15],"is":[16],"an":[17],"important":[18],"research":[19],"task.":[20],"this":[22],"letter,":[23],"two":[24],"types":[25],"of":[26,105],"SNC":[27],"zero":[30],"zone":[32],"(ZCZ)":[33],"property":[34],"are":[35,68,90],"considered:":[36],"single-channel":[37,113],"SNC-ZCZ":[38,65,114],"and":[40,56,76],"multi-channel":[41,106],"SNC-Z-periodic":[42],"complementary":[43],"(SNC-ZPCSs),":[45],"which":[46],"have":[47],"potential":[48],"applications":[49],"for":[50,92],"CR-multiple-input":[51],"multiple-output":[52],"(MIMO)":[53],"channel":[54],"estimation":[55],"CR-quasi-synchronization":[57],"communications":[58],"to":[59,72],"achieve":[60],"interference-free":[61],"performance.":[62],"The":[63],"resultant":[64],"sequence":[66,115],"sets":[67,108],"optimal":[69],"respect":[71],"the":[73,77],"theoretical":[74],"bound":[75],"spectral-null":[78],"constraint":[79],"can":[80],"be":[81],"set":[82],"flexibly.":[83],"Simulation":[84],"results":[85],"demonstrate":[86],"that":[87],"such":[88],"suitable":[91],"pilot":[93],"design":[94],"in":[95],"CR-MIMO-orthogonal":[96],"frequency":[97],"division":[98],"multiplexing":[99],"(OFDM)":[100],"system.":[101],"Besides,":[102],"a":[103],"construction":[104],"SNC-ZPCS":[107],"was":[109],"provided":[110],"based":[111],"on":[112],"sets.":[116]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}