{"id":"https://openalex.org/W7133222594","doi":"https://doi.org/10.1109/tcomm.2026.3669498","title":"Coherent Acquisition of MC-DSSS Signal for LEO Satellite Communication","display_name":"Coherent Acquisition of MC-DSSS Signal for LEO Satellite Communication","publication_year":2026,"publication_date":"2026-01-01","ids":{"openalex":"https://openalex.org/W7133222594","doi":"https://doi.org/10.1109/tcomm.2026.3669498"},"language":null,"primary_location":{"id":"doi:10.1109/tcomm.2026.3669498","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2026.3669498","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"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 Transactions on 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/A5031402085","display_name":"Weihao Yan","orcid":null},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Weihao Yan","raw_affiliation_strings":["School of Information and Electronics, Beijing Institute of Technology, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Information and Electronics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5104987505","display_name":"Jianping An","orcid":null},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jianping An","raw_affiliation_strings":["School of Cyberspace Science and Technology, Beijing Institute of Technology, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Cyberspace Science and Technology, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061663368","display_name":"Feng Yangbo","orcid":null},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yangbo Feng","raw_affiliation_strings":["School of Cyberspace Science and Technology, Beijing Institute of Technology, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Cyberspace Science and Technology, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5127816866","display_name":"Shuai Wang","orcid":null},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shuai Wang","raw_affiliation_strings":["School of Cyberspace Science and Technology, Beijing Institute of Technology, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Cyberspace Science and Technology, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5127817063","display_name":"Xuanhe Yang","orcid":null},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xuanhe Yang","raw_affiliation_strings":["School of Cyberspace Science and Technology, Beijing Institute of Technology, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Cyberspace Science and Technology, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5127794592","display_name":"Gaofeng Pan","orcid":null},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Gaofeng Pan","raw_affiliation_strings":["School of Cyberspace Science and Technology, Beijing Institute of Technology, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Cyberspace Science and Technology, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5031402085"],"corresponding_institution_ids":["https://openalex.org/I125839683"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.47970718,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"74","issue":null,"first_page":"6395","last_page":"6408"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10655","display_name":"GNSS positioning and interference","score":0.13439999520778656,"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/T10655","display_name":"GNSS positioning and interference","score":0.13439999520778656,"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":0.12200000137090683,"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/T12042","display_name":"Satellite Communication Systems","score":0.12129999697208405,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/subcarrier","display_name":"Subcarrier","score":0.670799970626831},{"id":"https://openalex.org/keywords/communications-satellite","display_name":"Communications satellite","score":0.6273000240325928},{"id":"https://openalex.org/keywords/false-alarm","display_name":"False alarm","score":0.5986999869346619},{"id":"https://openalex.org/keywords/additive-white-gaussian-noise","display_name":"Additive white Gaussian noise","score":0.5626999735832214},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.5228000283241272},{"id":"https://openalex.org/keywords/reduction","display_name":"Reduction (mathematics)","score":0.5146999955177307},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.48260000348091125},{"id":"https://openalex.org/keywords/spread-spectrum","display_name":"Spread spectrum","score":0.42329999804496765},{"id":"https://openalex.org/keywords/direct-sequence-spread-spectrum","display_name":"Direct-sequence spread spectrum","score":0.3910999894142151},{"id":"https://openalex.org/keywords/doppler-effect","display_name":"Doppler effect","score":0.37470000982284546}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6711000204086304},{"id":"https://openalex.org/C198329298","wikidata":"https://www.wikidata.org/wiki/Q586358","display_name":"Subcarrier","level":4,"score":0.670799970626831},{"id":"https://openalex.org/C121308736","wikidata":"https://www.wikidata.org/wiki/Q149918","display_name":"Communications satellite","level":3,"score":0.6273000240325928},{"id":"https://openalex.org/C2776836416","wikidata":"https://www.wikidata.org/wiki/Q1364844","display_name":"False alarm","level":2,"score":0.5986999869346619},{"id":"https://openalex.org/C169334058","wikidata":"https://www.wikidata.org/wiki/Q353292","display_name":"Additive white Gaussian noise","level":3,"score":0.5626999735832214},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.5228000283241272},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5195000171661377},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.5146999955177307},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.48260000348091125},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4244000017642975},{"id":"https://openalex.org/C105344744","wikidata":"https://www.wikidata.org/wiki/Q958957","display_name":"Spread spectrum","level":3,"score":0.42329999804496765},{"id":"https://openalex.org/C194491627","wikidata":"https://www.wikidata.org/wiki/Q1334354","display_name":"Direct-sequence spread spectrum","level":4,"score":0.3910999894142151},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.38920000195503235},{"id":"https://openalex.org/C142757262","wikidata":"https://www.wikidata.org/wiki/Q76436","display_name":"Doppler effect","level":2,"score":0.37470000982284546},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.366100013256073},{"id":"https://openalex.org/C2778915421","wikidata":"https://www.wikidata.org/wiki/Q3643177","display_name":"Performance improvement","level":2,"score":0.35910001397132874},{"id":"https://openalex.org/C137270730","wikidata":"https://www.wikidata.org/wiki/Q120811","display_name":"Detection theory","level":3,"score":0.35190001130104065},{"id":"https://openalex.org/C3018325918","wikidata":"https://www.wikidata.org/wiki/Q663611","display_name":"Low earth orbit","level":3,"score":0.3400000035762787},{"id":"https://openalex.org/C4199805","wikidata":"https://www.wikidata.org/wiki/Q2725903","display_name":"Gaussian noise","level":2,"score":0.3384000062942505},{"id":"https://openalex.org/C509933004","wikidata":"https://www.wikidata.org/wiki/Q194163","display_name":"Broadband","level":2,"score":0.33649998903274536},{"id":"https://openalex.org/C101765175","wikidata":"https://www.wikidata.org/wiki/Q577764","display_name":"Communications system","level":2,"score":0.33309999108314514},{"id":"https://openalex.org/C96608239","wikidata":"https://www.wikidata.org/wiki/Q1199823","display_name":"Statistical power","level":2,"score":0.33230000734329224},{"id":"https://openalex.org/C129404179","wikidata":"https://www.wikidata.org/wiki/Q1469765","display_name":"Optical communication","level":2,"score":0.33059999346733093},{"id":"https://openalex.org/C16405173","wikidata":"https://www.wikidata.org/wiki/Q192316","display_name":"Geostationary orbit","level":3,"score":0.32359999418258667},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.3188000023365021},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.3176000118255615},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.3138999938964844},{"id":"https://openalex.org/C61326573","wikidata":"https://www.wikidata.org/wiki/Q1496376","display_name":"Gaussian process","level":3,"score":0.3116999864578247},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.3100000023841858},{"id":"https://openalex.org/C136817519","wikidata":"https://www.wikidata.org/wiki/Q947493","display_name":"Diversity combining","level":4,"score":0.3061000108718872},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.3012999892234802},{"id":"https://openalex.org/C139945424","wikidata":"https://www.wikidata.org/wiki/Q1940696","display_name":"Mean squared error","level":2,"score":0.2987000048160553},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.27900001406669617},{"id":"https://openalex.org/C112633086","wikidata":"https://www.wikidata.org/wiki/Q381287","display_name":"White noise","level":2,"score":0.273499995470047},{"id":"https://openalex.org/C2778112365","wikidata":"https://www.wikidata.org/wiki/Q3511065","display_name":"Sequence (biology)","level":2,"score":0.2572000026702881}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcomm.2026.3669498","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2026.3669498","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"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 Transactions on Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G4042692820","display_name":null,"funder_award_id":"U2436203","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4323693889","display_name":null,"funder_award_id":"62171031","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G898851953","display_name":null,"funder_award_id":"62571045","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":33,"referenced_works":["https://openalex.org/W1532295426","https://openalex.org/W1974851369","https://openalex.org/W2021148642","https://openalex.org/W2021354056","https://openalex.org/W2065688504","https://openalex.org/W2075552861","https://openalex.org/W2098766937","https://openalex.org/W2106540327","https://openalex.org/W2126419485","https://openalex.org/W2129581852","https://openalex.org/W2129756550","https://openalex.org/W2138986309","https://openalex.org/W2148611435","https://openalex.org/W2158108497","https://openalex.org/W2168626963","https://openalex.org/W2203580004","https://openalex.org/W2768787941","https://openalex.org/W2908668592","https://openalex.org/W2954116684","https://openalex.org/W3023300295","https://openalex.org/W3048525254","https://openalex.org/W3173369023","https://openalex.org/W3210960817","https://openalex.org/W4206556708","https://openalex.org/W4225765847","https://openalex.org/W4285198546","https://openalex.org/W4385451570","https://openalex.org/W4385894332","https://openalex.org/W4399768547","https://openalex.org/W4401989791","https://openalex.org/W4402474682","https://openalex.org/W4410204592","https://openalex.org/W4411600797"],"related_works":[],"abstract_inverted_index":{"In":[0],"recent":[1],"years,":[2],"low":[3,70],"Earth":[4],"orbit":[5],"(LEO)":[6],"satellite":[7],"communication":[8,48,156],"has":[9,42],"emerged":[10],"as":[11],"a":[12,122,208],"focal":[13],"area":[14],"of":[15,38,53,68,106,141,216],"extensive":[16],"research":[17],"due":[18,64],"to":[19,65,203],"its":[20],"potential":[21],"for":[22,90,150,164],"global":[23],"broadband":[24],"connectivity.":[25],"Multi-carrier":[26],"direct":[27],"sequence":[28],"spread":[29,39],"spectrum":[30,40],"(MC-DSSS)":[31],"technology,":[32],"leveraging":[33],"the":[34,51,66,95,100,114,134,139,165,192,214],"inherent":[35],"anti-jamming":[36],"advantages":[37],"signals,":[41],"shown":[43],"great":[44],"promise":[45],"in":[46,56,117,153,176,200,211],"enhancing":[47],"reliability.":[49],"However,":[50],"acquisition":[52,88,115,126],"MC-DSSS":[54,91],"signals":[55],"LEO":[57,119,155],"transmission":[58],"link":[59],"presents":[60],"significant":[61],"challenges,":[62],"primarily":[63],"coexistence":[67],"extremely":[69],"signal-to-noise":[71],"ratio":[72],"(SNR)":[73],"and":[74,171],"substantial":[75],"Doppler":[76],"effect.To":[77],"address":[78],"these":[79],"issues,":[80],"this":[81,159],"paper":[82,160],"proposes":[83],"an":[84],"optimal":[85],"two-dimensional":[86],"(2D)":[87],"framework":[89,102],"signals.":[92],"Based":[93],"on":[94],"maximum":[96],"likelihood":[97],"(ML)":[98],"criterion,":[99],"proposed":[101,193],"enables":[103],"coherent":[104,125,143],"combination":[105],"subcarriers":[107,217],"with":[108,207],"high":[109],"time":[110],"resolution,":[111],"thereby":[112],"improving":[113],"performance":[116,140,198],"harsh":[118],"environments.":[120],"Furthermore,":[121],"two-step":[123],"low-complexity":[124],"algorithm":[127,131,194],"is":[128,218],"developed.":[129],"This":[130],"significantly":[132],"reduces":[133],"computational":[135],"burden":[136],"while":[137],"maintaining":[138],"fully":[142],"subcarrier":[144],"combination,":[145],"making":[146],"it":[147],"more":[148],"suitable":[149],"real-time":[151],"implementation":[152],"resource-constrained":[154],"terminals.":[157],"Moreover,":[158],"derives":[161],"closed-form":[162],"solutions":[163],"false":[166],"alarm":[167],"probability,":[168,170],"detection":[169],"mean":[172],"squared":[173],"error":[174],"(MSE)":[175],"additive":[177],"white":[178],"Gaussian":[179],"noise":[180],"(AWGN)":[181],"channel,":[182],"which":[183],"are":[184],"validated":[185],"through":[186],"simulations.":[187],"The":[188],"results":[189],"demonstrate":[190],"that":[191],"achieves":[195],"2":[196],"dB":[197],"improvement":[199],"SNR":[201],"compared":[202],"noncoherent":[204],"combining":[205],"method,":[206],"1024-fold":[209],"reduction":[210],"MSE":[212],"when":[213],"number":[215],"16.":[219]},"counts_by_year":[],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2026-03-03T00:00:00"}
