{"id":"https://openalex.org/W4406793960","doi":"https://doi.org/10.1109/jiot.2025.3533484","title":"Effective Chirp Modulation Communication System Design for LEO Satellite IoT","display_name":"Effective Chirp Modulation Communication System Design for LEO Satellite IoT","publication_year":2025,"publication_date":"2025-01-24","ids":{"openalex":"https://openalex.org/W4406793960","doi":"https://doi.org/10.1109/jiot.2025.3533484"},"language":"en","primary_location":{"id":"doi:10.1109/jiot.2025.3533484","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2025.3533484","pdf_url":null,"source":{"id":"https://openalex.org/S2480266640","display_name":"IEEE Internet of Things Journal","issn_l":"2327-4662","issn":["2327-4662","2372-2541"],"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 Internet of Things Journal","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":null,"display_name":"Wenqing Zhao","orcid":"https://orcid.org/0009-0002-6025-6385"},"institutions":[{"id":"https://openalex.org/I36399199","display_name":"Nanjing University of Science and Technology","ror":"https://ror.org/00xp9wg62","country_code":"CN","type":"education","lineage":["https://openalex.org/I36399199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wenqing Zhao","raw_affiliation_strings":["School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China"],"raw_orcid":"https://orcid.org/0009-0002-6025-6385","affiliations":[{"raw_affiliation_string":"School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China","institution_ids":["https://openalex.org/I36399199"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100710299","display_name":"Haozhe Zhang","orcid":"https://orcid.org/0000-0002-9741-5098"},"institutions":[{"id":"https://openalex.org/I36399199","display_name":"Nanjing University of Science and Technology","ror":"https://ror.org/00xp9wg62","country_code":"CN","type":"education","lineage":["https://openalex.org/I36399199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haozhe Zhang","raw_affiliation_strings":["School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China","institution_ids":["https://openalex.org/I36399199"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077999246","display_name":"Jun Zou","orcid":"https://orcid.org/0000-0002-1655-9197"},"institutions":[{"id":"https://openalex.org/I36399199","display_name":"Nanjing University of Science and Technology","ror":"https://ror.org/00xp9wg62","country_code":"CN","type":"education","lineage":["https://openalex.org/I36399199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jun Zou","raw_affiliation_strings":["School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0002-1655-9197","affiliations":[{"raw_affiliation_string":"School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China","institution_ids":["https://openalex.org/I36399199"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029388106","display_name":"Guangzu Liu","orcid":"https://orcid.org/0000-0002-3592-2713"},"institutions":[{"id":"https://openalex.org/I36399199","display_name":"Nanjing University of Science and Technology","ror":"https://ror.org/00xp9wg62","country_code":"CN","type":"education","lineage":["https://openalex.org/I36399199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guangzu Liu","raw_affiliation_strings":["School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China","institution_ids":["https://openalex.org/I36399199"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5044969631","display_name":"Feng Shu","orcid":"https://orcid.org/0000-0003-0073-1965"},"institutions":[{"id":"https://openalex.org/I20942203","display_name":"Hainan University","ror":"https://ror.org/03q648j11","country_code":"CN","type":"education","lineage":["https://openalex.org/I20942203"]},{"id":"https://openalex.org/I36399199","display_name":"Nanjing University of Science and Technology","ror":"https://ror.org/00xp9wg62","country_code":"CN","type":"education","lineage":["https://openalex.org/I36399199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Feng Shu","raw_affiliation_strings":["School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China","School of Information and Communication Engineering, Hainan University, Haikou, China"],"raw_orcid":"https://orcid.org/0000-0003-0073-1965","affiliations":[{"raw_affiliation_string":"School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China","institution_ids":["https://openalex.org/I36399199"]},{"raw_affiliation_string":"School of Information and Communication Engineering, Hainan University, Haikou, China","institution_ids":["https://openalex.org/I20942203"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":58.605,"has_fulltext":false,"cited_by_count":15,"citation_normalized_percentile":{"value":0.99824815,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":95,"max":100},"biblio":{"volume":"12","issue":"11","first_page":"16962","last_page":"16976"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12042","display_name":"Satellite Communication Systems","score":0.9980999827384949,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T12042","display_name":"Satellite Communication Systems","score":0.9980999827384949,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T12449","display_name":"Spacecraft Design and Technology","score":0.9613999724388123,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T10851","display_name":"Optical Wireless Communication Technologies","score":0.9570000171661377,"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":0.7734495401382446},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7436529397964478},{"id":"https://openalex.org/keywords/communications-satellite","display_name":"Communications satellite","score":0.671181857585907},{"id":"https://openalex.org/keywords/modulation","display_name":"Modulation (music)","score":0.6072885990142822},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.5268719792366028},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4785224199295044},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.43790191411972046},{"id":"https://openalex.org/keywords/quadrature-amplitude-modulation","display_name":"Quadrature amplitude modulation","score":0.4161562919616699},{"id":"https://openalex.org/keywords/satellite-broadcasting","display_name":"Satellite broadcasting","score":0.41401407122612},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.39381319284439087},{"id":"https://openalex.org/keywords/bit-error-rate","display_name":"Bit error rate","score":0.24587368965148926},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.14932376146316528},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.09488847851753235},{"id":"https://openalex.org/keywords/aerospace-engineering","display_name":"Aerospace engineering","score":0.07926973700523376},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.07569190859794617}],"concepts":[{"id":"https://openalex.org/C132794960","wikidata":"https://www.wikidata.org/wiki/Q27304","display_name":"Chirp","level":3,"score":0.7734495401382446},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7436529397964478},{"id":"https://openalex.org/C121308736","wikidata":"https://www.wikidata.org/wiki/Q149918","display_name":"Communications satellite","level":3,"score":0.671181857585907},{"id":"https://openalex.org/C123079801","wikidata":"https://www.wikidata.org/wiki/Q750240","display_name":"Modulation (music)","level":2,"score":0.6072885990142822},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.5268719792366028},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4785224199295044},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.43790191411972046},{"id":"https://openalex.org/C32409245","wikidata":"https://www.wikidata.org/wiki/Q749753","display_name":"Quadrature amplitude modulation","level":4,"score":0.4161562919616699},{"id":"https://openalex.org/C2986254709","wikidata":"https://www.wikidata.org/wiki/Q209588","display_name":"Satellite broadcasting","level":3,"score":0.41401407122612},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.39381319284439087},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.24587368965148926},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.14932376146316528},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.09488847851753235},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.07926973700523376},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.07569190859794617},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.0},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jiot.2025.3533484","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2025.3533484","pdf_url":null,"source":{"id":"https://openalex.org/S2480266640","display_name":"IEEE Internet of Things Journal","issn_l":"2327-4662","issn":["2327-4662","2372-2541"],"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 Internet of Things Journal","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.46000000834465027}],"awards":[{"id":"https://openalex.org/G7701723719","display_name":"\u6df7\u5408\u6a21\u62df\u6570\u5b57\u7ed3\u6784\u7a7a\u95f4\u8c03\u5236\u65e0\u7ebf\u7f51\u7edc\u5b89\u5168\u4f20\u8f93\u7406\u8bba\u4e0e\u6280\u672f\u7814\u7a76","funder_award_id":"62071234","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":30,"referenced_works":["https://openalex.org/W1978123203","https://openalex.org/W2079865126","https://openalex.org/W2150174050","https://openalex.org/W2248880694","https://openalex.org/W2743363440","https://openalex.org/W2766513146","https://openalex.org/W2901617570","https://openalex.org/W2908628946","https://openalex.org/W2947827092","https://openalex.org/W2962961372","https://openalex.org/W2963607526","https://openalex.org/W2968712238","https://openalex.org/W3007760816","https://openalex.org/W3048525254","https://openalex.org/W3188280779","https://openalex.org/W3199881787","https://openalex.org/W3201561247","https://openalex.org/W3210960817","https://openalex.org/W4206218025","https://openalex.org/W4225959144","https://openalex.org/W4226063050","https://openalex.org/W4312675325","https://openalex.org/W4366957376","https://openalex.org/W4375928766","https://openalex.org/W4381328873","https://openalex.org/W4389161259","https://openalex.org/W4389961260","https://openalex.org/W4390394420","https://openalex.org/W4390887455","https://openalex.org/W4391307407"],"related_works":["https://openalex.org/W623123055","https://openalex.org/W416660270","https://openalex.org/W2020374352","https://openalex.org/W2318089893","https://openalex.org/W2594208605","https://openalex.org/W617654698","https://openalex.org/W2592743063","https://openalex.org/W1917454551","https://openalex.org/W1489769050","https://openalex.org/W1544439996"],"abstract_inverted_index":{"The":[0,103],"high-dynamic":[1,123],"Doppler":[2,124],"frequency":[3,27,70,100,125],"offset":[4],"presents":[5],"great":[6],"challenges":[7],"to":[8,53],"communications":[9],"in":[10],"the":[11,22,81,88,107,110],"low-Earth":[12],"orbit":[13],"(LEO)":[14],"satellite":[15,49,116],"Internet":[16],"of":[17,109],"Things":[18],"(IoT)":[19],"scenarios,":[20],"including":[21],"high-complexity":[23],"receiver":[24],"synchronization":[25,96],"algorithm,":[26],"tracking":[28,101],"capability,":[29],"and":[30,72,98],"high-receiver":[31],"sensitivity.":[32],"In":[33],"this":[34],"article,":[35],"we":[36,92],"propose":[37,93],"an":[38,59],"effective":[39],"communication":[40,112],"system":[41,113],"architecture":[42],"based":[43,63],"on":[44,64],"chirp":[45,61],"modulation":[46,62],"for":[47,114],"LEO":[48,115],"IoT":[50],"with":[51,68],"reference":[52],"LoRa":[54],"system.":[55],"Our":[56],"approach":[57],"introduces":[58],"improved":[60],"low-rate":[65],"optimization":[66],"(LRO)":[67],"specified":[69],"interval":[71],"a":[73,94],"CRC-assisted":[74],"decoding":[75],"scheme.":[76],"Simulation":[77],"results":[78,105],"show":[79],"that":[80],"proposed":[82,111],"optimal":[83],"LRO":[84],"factor":[85],"can":[86],"improve":[87],"spectral":[89],"efficiency.":[90],"Furthermore,":[91],"low-complexity":[95],"algorithm":[97],"LRO-based":[99],"strategy.":[102],"simulation":[104],"confirm":[106],"feasibility":[108],"IoT,":[117],"which":[118],"demonstrates":[119],"robust":[120],"performance":[121],"under":[122],"offsets.":[126]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":14}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}