{"id":"https://openalex.org/W3043857140","doi":"https://doi.org/10.1109/lwc.2020.3010774","title":"Spectrum Design for Orthogonal Chirp Division Multiplexing Transmissions","display_name":"Spectrum Design for Orthogonal Chirp Division Multiplexing Transmissions","publication_year":2020,"publication_date":"2020-07-21","ids":{"openalex":"https://openalex.org/W3043857140","doi":"https://doi.org/10.1109/lwc.2020.3010774","mag":"3043857140"},"language":"en","primary_location":{"id":"doi:10.1109/lwc.2020.3010774","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2020.3010774","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"is_oa":false,"is_in_doaj":false,"is_core":true,"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":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Wireless 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/A5030421289","display_name":"Muhammad Shahmeer Omar","orcid":"https://orcid.org/0000-0001-8823-2639"},"institutions":[{"id":"https://openalex.org/I130701444","display_name":"Georgia Institute of Technology","ror":"https://ror.org/01zkghx44","country_code":"US","type":"education","lineage":["https://openalex.org/I130701444"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Muhammad Shahmeer Omar","raw_affiliation_strings":["School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA, USA"],"raw_orcid":"https://orcid.org/0000-0001-8823-2639","affiliations":[{"raw_affiliation_string":"School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA, USA","institution_ids":["https://openalex.org/I130701444"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5001706958","display_name":"Xiaoli Ma","orcid":"https://orcid.org/0000-0002-3076-2589"},"institutions":[{"id":"https://openalex.org/I130701444","display_name":"Georgia Institute of Technology","ror":"https://ror.org/01zkghx44","country_code":"US","type":"education","lineage":["https://openalex.org/I130701444"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Xiaoli Ma","raw_affiliation_strings":["School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA, USA","institution_ids":["https://openalex.org/I130701444"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I130701444"],"apc_list":null,"apc_paid":null,"fwci":4.0184,"has_fulltext":false,"cited_by_count":44,"citation_normalized_percentile":{"value":0.94140461,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"9","issue":"11","first_page":"1990","last_page":"1994"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10575","display_name":"Wireless Communication Networks Research","score":0.9998000264167786,"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"}},"topics":[{"id":"https://openalex.org/T10575","display_name":"Wireless Communication Networks Research","score":0.9998000264167786,"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":0.9995999932289124,"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/T12146","display_name":"Power Line Communications and Noise","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/chirp","display_name":"Chirp","score":0.7275981307029724},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.6347750425338745},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.5988868474960327},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.5663905143737793},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.5565881133079529},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5468789935112},{"id":"https://openalex.org/keywords/multipath-propagation","display_name":"Multipath propagation","score":0.50699782371521},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.44568881392478943},{"id":"https://openalex.org/keywords/orthogonality","display_name":"Orthogonality","score":0.428505003452301},{"id":"https://openalex.org/keywords/time-division-multiplexing","display_name":"Time-division multiplexing","score":0.4201657474040985},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.41140875220298767},{"id":"https://openalex.org/keywords/chirp-spread-spectrum","display_name":"Chirp spread spectrum","score":0.4113595485687256},{"id":"https://openalex.org/keywords/spread-spectrum","display_name":"Spread spectrum","score":0.3990100622177124},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.30218571424484253},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.30173707008361816},{"id":"https://openalex.org/keywords/code-division-multiple-access","display_name":"Code division multiple access","score":0.29780688881874084},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.24542343616485596},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.22179004549980164},{"id":"https://openalex.org/keywords/direct-sequence-spread-spectrum","display_name":"Direct-sequence spread spectrum","score":0.22102805972099304},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.15978288650512695},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.13245469331741333},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.1303895115852356},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.09910839796066284}],"concepts":[{"id":"https://openalex.org/C132794960","wikidata":"https://www.wikidata.org/wiki/Q27304","display_name":"Chirp","level":3,"score":0.7275981307029724},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.6347750425338745},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.5988868474960327},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.5663905143737793},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.5565881133079529},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5468789935112},{"id":"https://openalex.org/C161218011","wikidata":"https://www.wikidata.org/wiki/Q11827794","display_name":"Multipath propagation","level":3,"score":0.50699782371521},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.44568881392478943},{"id":"https://openalex.org/C17137986","wikidata":"https://www.wikidata.org/wiki/Q215067","display_name":"Orthogonality","level":2,"score":0.428505003452301},{"id":"https://openalex.org/C50661577","wikidata":"https://www.wikidata.org/wiki/Q901831","display_name":"Time-division multiplexing","level":3,"score":0.4201657474040985},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.41140875220298767},{"id":"https://openalex.org/C105152959","wikidata":"https://www.wikidata.org/wiki/Q1074780","display_name":"Chirp spread spectrum","level":5,"score":0.4113595485687256},{"id":"https://openalex.org/C105344744","wikidata":"https://www.wikidata.org/wiki/Q958957","display_name":"Spread spectrum","level":3,"score":0.3990100622177124},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.30218571424484253},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.30173707008361816},{"id":"https://openalex.org/C47696715","wikidata":"https://www.wikidata.org/wiki/Q233394","display_name":"Code division multiple access","level":2,"score":0.29780688881874084},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.24542343616485596},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.22179004549980164},{"id":"https://openalex.org/C194491627","wikidata":"https://www.wikidata.org/wiki/Q1334354","display_name":"Direct-sequence spread spectrum","level":4,"score":0.22102805972099304},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.15978288650512695},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.13245469331741333},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.1303895115852356},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.09910839796066284},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"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/lwc.2020.3010774","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2020.3010774","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"is_oa":false,"is_in_doaj":false,"is_core":true,"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":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Wireless Communications Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","score":0.5799999833106995,"id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W1521892269","https://openalex.org/W1975355884","https://openalex.org/W2053850706","https://openalex.org/W2515084657","https://openalex.org/W2593084982","https://openalex.org/W2612861257","https://openalex.org/W2777648457","https://openalex.org/W2896188095","https://openalex.org/W2901862518","https://openalex.org/W2906482279","https://openalex.org/W2963030992","https://openalex.org/W3010162283"],"related_works":["https://openalex.org/W2972564959","https://openalex.org/W2155641694","https://openalex.org/W4281254370","https://openalex.org/W2065883652","https://openalex.org/W2997759100","https://openalex.org/W2053751710","https://openalex.org/W3169999368","https://openalex.org/W2537897891","https://openalex.org/W2967627568","https://openalex.org/W2117096382"],"abstract_inverted_index":{"Orthogonal":[0],"chirp":[1,18,27],"division":[2,121],"multiplexing":[3,122],"(OCDM)":[4],"is":[5,40],"a":[6,71,125],"spread":[7],"spectrum":[8,77],"technique":[9],"that":[10,54],"leverages":[11],"the":[12,29,33,43,47,55,59,65,76,79,90,102,105],"orthogonality":[13],"of":[14,46,74,78,89,104],"cyclically":[15],"shifted":[16],"linear":[17],"signals":[19],"to":[20,36,41],"maximize":[21],"spectral":[22,127],"efficiency.":[23],"However,":[24],"since":[25],"each":[26],"spans":[28],"entire":[30],"signal":[31,80],"band,":[32],"only":[34],"way":[35],"control":[37],"its":[38],"bandwidth":[39],"alter":[42],"sampling":[44],"rate":[45],"digital-to-analog":[48],"converter":[49],"(DAC).":[50],"This":[51,85],"letter":[52],"shows":[53],"inherent":[56],"relationship":[57],"between":[58],"discrete":[60,66],"Fresnel":[61],"transform":[62,68],"(DFnT)":[63],"and":[64,108],"Fourier":[67],"(DFT)":[69],"facilitates":[70],"simple":[72],"method":[73,107],"designing":[75],"without":[81],"adding":[82],"significant":[83],"complexity.":[84],"enables":[86],"direct":[87],"implementation":[88],"digital":[91],"filters":[92],"proposed":[93,106],"in":[94,111,116],"literature":[95],"for":[96],"advanced":[97],"waveforms.":[98],"Subsequently,":[99],"simulations":[100],"corroborate":[101],"performance":[103],"filtered-OCDM":[109],"(f-OCDM)":[110],"wireless":[112],"multipath":[113],"fading":[114],"channels":[115],"comparison":[117],"with":[118,124],"orthogonal":[119],"frequency":[120],"(OFDM)":[123],"given":[126],"mask.":[128]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":7},{"year":2024,"cited_by_count":10},{"year":2023,"cited_by_count":14},{"year":2022,"cited_by_count":8},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
