{"id":"https://openalex.org/W4413188085","doi":"https://doi.org/10.1109/tvt.2025.3597933","title":"Low-Complex Fast-Acquisition Algorithm and Analysis for Broadband LEO DSSS System","display_name":"Low-Complex Fast-Acquisition Algorithm and Analysis for Broadband LEO DSSS System","publication_year":2025,"publication_date":"2025-08-11","ids":{"openalex":"https://openalex.org/W4413188085","doi":"https://doi.org/10.1109/tvt.2025.3597933"},"language":"en","primary_location":{"id":"doi:10.1109/tvt.2025.3597933","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2025.3597933","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"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 Transactions on Vehicular Technology","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/A5019613405","display_name":"Peixin Zhang","orcid":"https://orcid.org/0009-0002-4603-7004"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Peixin Zhang","raw_affiliation_strings":["State Key Laboratory of ISN, School of Telecommunications Engineering, Xidian University, Xi'an, China","State Key Laboratory of ISN, School of Telecommunications Engineering, Xidian University, Xi'an, Shaanxi, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of ISN, School of Telecommunications Engineering, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"State Key Laboratory of ISN, School of Telecommunications Engineering, Xidian University, Xi'an, Shaanxi, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Xinyan Xiang","orcid":"https://orcid.org/0009-0003-7307-8984"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xinyan Xiang","raw_affiliation_strings":["State Key Laboratory of ISN, School of Telecommunications Engineering, Xidian University, Xi'an, China","State Key Laboratory of ISN, School of Telecommunications Engineering, Xidian University, Xi'an, Shaanxi, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of ISN, School of Telecommunications Engineering, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"State Key Laboratory of ISN, School of Telecommunications Engineering, Xidian University, Xi'an, Shaanxi, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5107006234","display_name":"Guo Li","orcid":"https://orcid.org/0000-0002-7661-6691"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guo Li","raw_affiliation_strings":["State Key Laboratory of ISN, School of Telecommunications Engineering, Xidian University, Xi'an, China","State Key Laboratory of ISN, School of Telecommunications Engineering, Xidian University, Xi'an, Shaanxi, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of ISN, School of Telecommunications Engineering, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"State Key Laboratory of ISN, School of Telecommunications Engineering, Xidian University, Xi'an, Shaanxi, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034754948","display_name":"Fengkui Gong","orcid":"https://orcid.org/0000-0002-4211-0959"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fengkui Gong","raw_affiliation_strings":["State Key Laboratory of ISN, School of Telecommunications Engineering, Xidian University, Xi'an, China","State Key Laboratory of ISN, School of Telecommunications Engineering, Xidian University, Xi'an, Shaanxi, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of ISN, School of Telecommunications Engineering, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"State Key Laboratory of ISN, School of Telecommunications Engineering, Xidian University, Xi'an, Shaanxi, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5066116668","display_name":"Li Zhao","orcid":"https://orcid.org/0000-0003-2956-3539"},"institutions":[{"id":"https://openalex.org/I4210159500","display_name":"Shenzhen Academy of Aerospace Technology","ror":"https://ror.org/05etzsm06","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210159500"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhao Li","raw_affiliation_strings":["Shaanxi Academy of Aerospace Technology Application Company, Ltd., Xi'an, China","Shaanxi Academy of Aerospace Technology Application Co., Ltd., Xi'an, Shaanxi, China"],"affiliations":[{"raw_affiliation_string":"Shaanxi Academy of Aerospace Technology Application Company, Ltd., Xi'an, China","institution_ids":["https://openalex.org/I4210159500"]},{"raw_affiliation_string":"Shaanxi Academy of Aerospace Technology Application Co., Ltd., Xi'an, Shaanxi, China","institution_ids":["https://openalex.org/I4210159500"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5019613405"],"corresponding_institution_ids":["https://openalex.org/I149594827"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.18579569,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"75","issue":"2","first_page":"2342","last_page":"2355"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T14158","display_name":"Optical Systems and Laser Technology","score":0.9725000262260437,"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/T14158","display_name":"Optical Systems and Laser Technology","score":0.9725000262260437,"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/T10767","display_name":"Advanced Photonic Communication Systems","score":0.9595999717712402,"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/T10851","display_name":"Optical Wireless Communication Technologies","score":0.9503999948501587,"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/direct-sequence-spread-spectrum","display_name":"Direct-sequence spread spectrum","score":0.7550453543663025},{"id":"https://openalex.org/keywords/spread-spectrum","display_name":"Spread spectrum","score":0.6801537275314331},{"id":"https://openalex.org/keywords/broadband","display_name":"Broadband","score":0.6204848289489746},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5547147393226624},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.47232359647750854},{"id":"https://openalex.org/keywords/broadband-networks","display_name":"Broadband networks","score":0.46947917342185974},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4465727210044861},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3803003430366516},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.3542299270629883},{"id":"https://openalex.org/keywords/code-division-multiple-access","display_name":"Code division multiple access","score":0.22200044989585876}],"concepts":[{"id":"https://openalex.org/C194491627","wikidata":"https://www.wikidata.org/wiki/Q1334354","display_name":"Direct-sequence spread spectrum","level":4,"score":0.7550453543663025},{"id":"https://openalex.org/C105344744","wikidata":"https://www.wikidata.org/wiki/Q958957","display_name":"Spread spectrum","level":3,"score":0.6801537275314331},{"id":"https://openalex.org/C509933004","wikidata":"https://www.wikidata.org/wiki/Q194163","display_name":"Broadband","level":2,"score":0.6204848289489746},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5547147393226624},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.47232359647750854},{"id":"https://openalex.org/C125599584","wikidata":"https://www.wikidata.org/wiki/Q15057100","display_name":"Broadband networks","level":3,"score":0.46947917342185974},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4465727210044861},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3803003430366516},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.3542299270629883},{"id":"https://openalex.org/C47696715","wikidata":"https://www.wikidata.org/wiki/Q233394","display_name":"Code division multiple access","level":2,"score":0.22200044989585876}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tvt.2025.3597933","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2025.3597933","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"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 Transactions on Vehicular Technology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":30,"referenced_works":["https://openalex.org/W1431063043","https://openalex.org/W1532295426","https://openalex.org/W1575883496","https://openalex.org/W2169798010","https://openalex.org/W2338505967","https://openalex.org/W2605059314","https://openalex.org/W2795764917","https://openalex.org/W3007804894","https://openalex.org/W3084983011","https://openalex.org/W3092250285","https://openalex.org/W3187450518","https://openalex.org/W3210960817","https://openalex.org/W3217696802","https://openalex.org/W4213132815","https://openalex.org/W4312241782","https://openalex.org/W4312423606","https://openalex.org/W4313892876","https://openalex.org/W4320029284","https://openalex.org/W4363675651","https://openalex.org/W4379983493","https://openalex.org/W4384080812","https://openalex.org/W4384916732","https://openalex.org/W4385453519","https://openalex.org/W4385627028","https://openalex.org/W4385894332","https://openalex.org/W4394910814","https://openalex.org/W4399768547","https://openalex.org/W4401685637","https://openalex.org/W4403083907","https://openalex.org/W4403760807"],"related_works":["https://openalex.org/W4224302876","https://openalex.org/W2304504342","https://openalex.org/W2358841638","https://openalex.org/W2362112362","https://openalex.org/W2394108910","https://openalex.org/W242789257","https://openalex.org/W2148225991","https://openalex.org/W2720413303","https://openalex.org/W2360749942","https://openalex.org/W2385187332"],"abstract_inverted_index":{"In":[0],"recent":[1],"years,":[2],"the":[3,32,43,51,60,99,112,121,137,146,176,201],"applications":[4],"of":[5,36,55,192,194],"broadband":[6,37,56],"direct":[7],"sequence":[8],"spread":[9],"spectrum":[10],"(DSSS)":[11],"communications":[12],"based":[13,78],"on":[14,79],"low":[15,95],"earth":[16],"orbit":[17],"(LEO)":[18],"satellites":[19],"have":[20],"become":[21],"increasingly":[22],"widespread.":[23],"The":[24,150],"high":[25,33],"Doppler":[26,88],"deviations":[27,89],"introduced":[28],"by":[29],"LEO":[30],"and":[31,67,73,115,130,139,161,170],"throughput":[34],"requirements":[35],"communication":[38],"pose":[39],"great":[40],"challenges":[41],"to":[42,49,110],"low-complexity":[44],"DSSS":[45,58],"acquisition":[46,53,93,162],"algorithm.":[47],"Firstly,":[48],"address":[50],"fast":[52,68,92],"problem":[54],"burst":[57],"signals,":[59],"traditional":[61,138],"algorithm":[62,77,84,179],"combining":[63],"partial":[64],"matched":[65],"filter":[66],"Fourier":[69],"transform":[70],"is":[71,81,108,128],"improved":[72],"a":[74,103,124,189,208],"two-stage":[75],"detection":[76,113,141],"selection":[80],"proposed.":[82],"This":[83],"can":[85,180,198],"effectively":[86],"resist":[87],"while":[90,197],"achieving":[91],"with":[94,188,206],"complexity.":[96],"Secondly,":[97],"during":[98],"lock":[100,148,204,211],"verification":[101,106],"stage,":[102],"peak":[104],"index":[105],"strategy":[107],"employed":[109],"verify":[111],"results":[114,169],"achieve":[116,181],"locked":[117],"state.":[118],"Finally,":[119],"for":[120,135],"first":[122],"time,":[123],"general":[125],"mathematical":[126],"modeling":[127],"established":[129],"closed-form":[131],"expressions":[132],"are":[133,164],"derived":[134],"both":[136],"proposed":[140,147,177],"algorithms":[142],"as":[143,145],"well":[144],"strategy.":[149],"quantitative":[151],"relations":[152],"between":[153],"noise,":[154],"carrier":[155],"frequency":[156],"offset,":[157,160],"symbol":[158],"timing":[159],"probability":[163],"derived.":[165],"Theoretical":[166],"analysis,":[167],"simulation":[168],"on-board":[171],"experiment":[172],"jointly":[173],"demonstrate":[174],"that":[175],"TSPF":[178],"at":[182],"least":[183],"0.5":[184],"dB":[185],"performance":[186],"improvement":[187],"slightly":[190],"cost":[191],"1%-2%":[193],"complex":[195],"multipliers,":[196],"greatly":[199],"reduce":[200],"near":[202],"50%":[203],"time":[205],"maintaining":[207],"99.99%":[209],"correct":[210],"probability.":[212]},"counts_by_year":[],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2025-10-10T00:00:00"}