{"id":"https://openalex.org/W4402509444","doi":"https://doi.org/10.1109/jsac.2024.3460108","title":"Coordinated Multi-Satellite Transmission for OTFS-Based 6G LEO Satellite Communication Systems","display_name":"Coordinated Multi-Satellite Transmission for OTFS-Based 6G LEO Satellite Communication Systems","publication_year":2024,"publication_date":"2024-09-13","ids":{"openalex":"https://openalex.org/W4402509444","doi":"https://doi.org/10.1109/jsac.2024.3460108"},"language":"en","primary_location":{"id":"doi:10.1109/jsac.2024.3460108","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsac.2024.3460108","pdf_url":null,"source":{"id":"https://openalex.org/S90422530","display_name":"IEEE Journal on Selected Areas in Communications","issn_l":"0733-8716","issn":["0733-8716","1558-0008"],"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 Journal on Selected Areas in Communications","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/A5012024270","display_name":"Zhengquan Zhang","orcid":"https://orcid.org/0000-0002-7347-0324"},"institutions":[{"id":"https://openalex.org/I4800084","display_name":"Southwest Jiaotong University","ror":"https://ror.org/00hn7w693","country_code":"CN","type":"education","lineage":["https://openalex.org/I4800084"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhengquan Zhang","raw_affiliation_strings":["School of Information Science and Technology, Southwest Jiaotong University, Chengdu, China","Southwest Jiaotong University, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0002-7347-0324","affiliations":[{"raw_affiliation_string":"School of Information Science and Technology, Southwest Jiaotong University, Chengdu, China","institution_ids":["https://openalex.org/I4800084"]},{"raw_affiliation_string":"Southwest Jiaotong University, Chengdu, China","institution_ids":["https://openalex.org/I4800084"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076696451","display_name":"Yuchen Wu","orcid":"https://orcid.org/0000-0003-2759-3021"},"institutions":[{"id":"https://openalex.org/I150744194","display_name":"Waseda University","ror":"https://ror.org/00ntfnx83","country_code":"JP","type":"education","lineage":["https://openalex.org/I150744194"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yuchen Wu","raw_affiliation_strings":["Graduate School of Fundamental Science and Engineering, Waseda University, Tokyo, Japan"],"raw_orcid":"https://orcid.org/0000-0003-2759-3021","affiliations":[{"raw_affiliation_string":"Graduate School of Fundamental Science and Engineering, Waseda University, Tokyo, Japan","institution_ids":["https://openalex.org/I150744194"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101839267","display_name":"Zheng Ma","orcid":"https://orcid.org/0000-0003-1683-4299"},"institutions":[{"id":"https://openalex.org/I4800084","display_name":"Southwest Jiaotong University","ror":"https://ror.org/00hn7w693","country_code":"CN","type":"education","lineage":["https://openalex.org/I4800084"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zheng Ma","raw_affiliation_strings":["School of Information Science and Technology, Southwest Jiaotong University, Chengdu, China","Southwest Jiaotong University, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0003-1683-4299","affiliations":[{"raw_affiliation_string":"School of Information Science and Technology, Southwest Jiaotong University, Chengdu, China","institution_ids":["https://openalex.org/I4800084"]},{"raw_affiliation_string":"Southwest Jiaotong University, Chengdu, China","institution_ids":["https://openalex.org/I4800084"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028336223","display_name":"Xianfu Lei","orcid":"https://orcid.org/0000-0001-5229-458X"},"institutions":[{"id":"https://openalex.org/I4800084","display_name":"Southwest Jiaotong University","ror":"https://ror.org/00hn7w693","country_code":"CN","type":"education","lineage":["https://openalex.org/I4800084"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xianfu Lei","raw_affiliation_strings":["School of Information Science and Technology, Southwest Jiaotong University, Chengdu, China","Southwest Jiaotong University, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0001-5229-458X","affiliations":[{"raw_affiliation_string":"School of Information Science and Technology, Southwest Jiaotong University, Chengdu, China","institution_ids":["https://openalex.org/I4800084"]},{"raw_affiliation_string":"Southwest Jiaotong University, Chengdu, China","institution_ids":["https://openalex.org/I4800084"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101754024","display_name":"Lei Lei","orcid":"https://orcid.org/0000-0002-9144-0559"},"institutions":[{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lei Lei","raw_affiliation_strings":["School of Information and Communications Engineering, Xi'an Jiaotong University, Xi'an, China","School of Information and Communications Engineering, Xi&#x2019;an Jiaotong University, Xi&#x2019;an, China"],"raw_orcid":"https://orcid.org/0000-0002-9144-0559","affiliations":[{"raw_affiliation_string":"School of Information and Communications Engineering, Xi'an Jiaotong University, Xi'an, China","institution_ids":["https://openalex.org/I87445476"]},{"raw_affiliation_string":"School of Information and Communications Engineering, Xi&#x2019;an Jiaotong University, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I87445476"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5074077175","display_name":"Zhiqiang Wei","orcid":"https://orcid.org/0000-0003-3400-5590"},"institutions":[{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhiqiang Wei","raw_affiliation_strings":["School of Mathematics and Statistics, Xi'an Jiaotong University, Xi'an, China","School of Mathematics and Statistics, Xi&#x2019;an Jiaotong University, Xi&#x2019;an, China"],"raw_orcid":"https://orcid.org/0000-0003-3400-5590","affiliations":[{"raw_affiliation_string":"School of Mathematics and Statistics, Xi'an Jiaotong University, Xi'an, China","institution_ids":["https://openalex.org/I87445476"]},{"raw_affiliation_string":"School of Mathematics and Statistics, Xi&#x2019;an Jiaotong University, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I87445476"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":32.953,"has_fulltext":false,"cited_by_count":31,"citation_normalized_percentile":{"value":0.99644689,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":99,"max":100},"biblio":{"volume":"43","issue":"1","first_page":"156","last_page":"170"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12042","display_name":"Satellite Communication Systems","score":0.9988999962806702,"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":0.9988999962806702,"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/T13905","display_name":"Telecommunications and Broadcasting Technologies","score":0.9894999861717224,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"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":0.9674999713897705,"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/computer-science","display_name":"Computer science","score":0.8273206949234009},{"id":"https://openalex.org/keywords/communications-satellite","display_name":"Communications satellite","score":0.6864622235298157},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.6714406609535217},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.6004789471626282},{"id":"https://openalex.org/keywords/satellite-broadcasting","display_name":"Satellite broadcasting","score":0.500800609588623},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.48467543721199036},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4547126293182373},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.358770489692688}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8273206949234009},{"id":"https://openalex.org/C121308736","wikidata":"https://www.wikidata.org/wiki/Q149918","display_name":"Communications satellite","level":3,"score":0.6864622235298157},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.6714406609535217},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.6004789471626282},{"id":"https://openalex.org/C2986254709","wikidata":"https://www.wikidata.org/wiki/Q209588","display_name":"Satellite broadcasting","level":3,"score":0.500800609588623},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.48467543721199036},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4547126293182373},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.358770489692688},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jsac.2024.3460108","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsac.2024.3460108","pdf_url":null,"source":{"id":"https://openalex.org/S90422530","display_name":"IEEE Journal on Selected Areas in Communications","issn_l":"0733-8716","issn":["0733-8716","1558-0008"],"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 Journal on Selected Areas in Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","score":0.46000000834465027,"id":"https://metadata.un.org/sdg/7"}],"awards":[{"id":"https://openalex.org/G1665880121","display_name":null,"funder_award_id":"2023YFA1008600","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G1915117199","display_name":null,"funder_award_id":"62271420","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G259455800","display_name":null,"funder_award_id":"2024GX-YBXM-065","funder_id":"https://openalex.org/F4320336350","funder_display_name":"Key Research and Development Projects of Shaanxi Province"},{"id":"https://openalex.org/G3589435967","display_name":null,"funder_award_id":"62471375","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G40933563","display_name":null,"funder_award_id":"2023NSFSC0455","funder_id":"https://openalex.org/F4320329861","funder_display_name":"Natural Science Foundation of Sichuan Province"},{"id":"https://openalex.org/G4726732360","display_name":null,"funder_award_id":"2023YFA1008600","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G514600894","display_name":null,"funder_award_id":"U23A20273","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6810377529","display_name":null,"funder_award_id":"2023-JCJQ-LB-007","funder_id":"https://openalex.org/F4320328373","funder_display_name":"National Key Laboratory Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320328373","display_name":"National Key Laboratory Foundation of China","ror":null},{"id":"https://openalex.org/F4320329861","display_name":"Natural Science Foundation of Sichuan Province","ror":null},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null},{"id":"https://openalex.org/F4320336350","display_name":"Key Research and Development Projects of Shaanxi Province","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":43,"referenced_works":["https://openalex.org/W2293182310","https://openalex.org/W2612254130","https://openalex.org/W2888002205","https://openalex.org/W2950013137","https://openalex.org/W3024145172","https://openalex.org/W3082571270","https://openalex.org/W3089706104","https://openalex.org/W3120875796","https://openalex.org/W3128040705","https://openalex.org/W3134916744","https://openalex.org/W3155167419","https://openalex.org/W3160738540","https://openalex.org/W3179283102","https://openalex.org/W3179436782","https://openalex.org/W3189209457","https://openalex.org/W3200021459","https://openalex.org/W3210621930","https://openalex.org/W4206917165","https://openalex.org/W4250397346","https://openalex.org/W4285222027","https://openalex.org/W4294068696","https://openalex.org/W4297310172","https://openalex.org/W4312312028","https://openalex.org/W4312992516","https://openalex.org/W4313590861","https://openalex.org/W4321016411","https://openalex.org/W4321607990","https://openalex.org/W4322576964","https://openalex.org/W4380451120","https://openalex.org/W4385488981","https://openalex.org/W4386973824","https://openalex.org/W4387164675","https://openalex.org/W4387681989","https://openalex.org/W4389544258","https://openalex.org/W4389609926","https://openalex.org/W4389692348","https://openalex.org/W4390044104","https://openalex.org/W4390533235","https://openalex.org/W4391492012","https://openalex.org/W4391742034","https://openalex.org/W4391807635","https://openalex.org/W4391827279","https://openalex.org/W4392251687"],"related_works":["https://openalex.org/W2028190576","https://openalex.org/W1836774208","https://openalex.org/W4206958678","https://openalex.org/W2325965825","https://openalex.org/W4230711642","https://openalex.org/W4233213628","https://openalex.org/W2373343648","https://openalex.org/W4237717127","https://openalex.org/W64102529","https://openalex.org/W3029457158"],"abstract_inverted_index":{"Low":[0],"Earth":[1],"orbit":[2],"(LEO)":[3],"satellite":[4,21,36,42,66,84,118],"communications":[5,43,67,119],"are":[6,44,96,201],"the":[7,16,24,45,92,123,164,172,204,207,210],"key":[8],"enabler":[9],"for":[10,115],"achieving":[11],"6G":[12],"ubiquitous":[13],"connectivity.":[14],"With":[15],"rapid":[17],"progress":[18],"of":[19,33,125,174,209],"small":[20],"technology":[22],"and":[23,50,87,99,104,141,190,203,217],"surging":[25],"demands":[26],"on":[27],"direct-to-satellite":[28],"services,":[29],"a":[30,179],"global":[31],"wave":[32],"building":[34],"LEO":[35,41,65,117,146],"constellations":[37],"has":[38],"been":[39,70],"arisen.":[40],"typical":[46],"high":[47,74],"mobility":[48,75],"scenarios":[49],"suffer":[51,101],"from":[52,102],"severe":[53],"Doppler":[54,142,189,197,221],"effects.":[55],"To":[56],"overcome":[57],"this":[58,108],"challenge,":[59],"orthogonal":[60],"time":[61],"frequency":[62],"space":[63],"(OTFS)-based":[64],"have":[68],"recently":[69],"studied,":[71],"which":[72,161],"exploit":[73],"to":[76,82,120,132,157],"obtain":[77],"delay-Doppler":[78],"diversity.":[79],"However,":[80],"due":[81],"limited":[83],"transmit":[85],"power":[86],"very":[88,97],"long":[89],"propagation":[90],"distance,":[91],"satellite-to-ground":[93],"(S2G)":[94],"links":[95,177],"weak,":[98],"also":[100,186],"inter-beam":[103],"inter-satellite":[105],"interference.":[106],"In":[107],"paper,":[109],"we":[110,148,185],"study":[111],"coordinated":[112,212],"multi-satellite":[113,213],"transmission":[114,169,214],"OTFS-based":[116],"significantly":[121],"improve":[122,158],"performance":[124],"S2G":[126,167],"transmission,":[127],"through":[128],"enabling":[129],"multiple":[130],"satellites":[131],"cooperatively":[133],"serve":[134],"ground":[135],"users.":[136],"Furthermore,":[137],"considering":[138],"different":[139],"delay":[140],"offsets":[143],"among":[144],"cooperative":[145,176],"satellites,":[147],"propose":[149,191],"simultaneous":[150],"pilots-based":[151],"aggregate":[152],"channel":[153,159],"estimation":[154,222],"(SP-ACE)":[155],"scheme":[156],"estimation,":[160],"aggregately":[162],"estimates":[163],"channels":[165,173],"in":[166],"joint":[168],"by":[170],"regarding":[171],"all":[175],"as":[178],"single":[180],"channel.":[181],"Besides":[182],"integer":[183],"Doppler,":[184],"consider":[187],"fractional":[188,196,220],"three-stage":[192,218],"peak-searching":[193],"correlation":[194],"(PSC)-based":[195],"estimation.":[198],"Finally,":[199],"simulations":[200],"conducted":[202],"results":[205],"demonstrate":[206],"effectiveness":[208],"proposed":[211],"scheme,":[215],"SP-ACE":[216],"PSC":[219],"schemes.":[223]},"counts_by_year":[{"year":2026,"cited_by_count":7},{"year":2025,"cited_by_count":24}],"updated_date":"2026-07-17T09:13:05.818461","created_date":"2025-10-10T00:00:00"}
