{"id":"https://openalex.org/W7117239466","doi":"https://doi.org/10.1109/lcomm.2025.3646108","title":"A Modulated Position-Indexed Differential Chaos Shift Keying System With Enhanced BER and Throughput","display_name":"A Modulated Position-Indexed Differential Chaos Shift Keying System With Enhanced BER and Throughput","publication_year":2025,"publication_date":"2025-12-25","ids":{"openalex":"https://openalex.org/W7117239466","doi":"https://doi.org/10.1109/lcomm.2025.3646108"},"language":null,"primary_location":{"id":"doi:10.1109/lcomm.2025.3646108","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2025.3646108","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"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 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":null,"display_name":"Lifang He","orcid":"https://orcid.org/0000-0002-8255-5581"},"institutions":[{"id":"https://openalex.org/I10535382","display_name":"Chongqing University of Posts and Telecommunications","ror":"https://ror.org/03dgaqz26","country_code":"CN","type":"education","lineage":["https://openalex.org/I10535382"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Lifang He","raw_affiliation_strings":["School of Electronic Science and Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China"],"raw_orcid":"https://orcid.org/0000-0002-8255-5581","affiliations":[{"raw_affiliation_string":"School of Electronic Science and Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China","institution_ids":["https://openalex.org/I10535382"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5121271904","display_name":"Yunhan Pei","orcid":null},"institutions":[{"id":"https://openalex.org/I10535382","display_name":"Chongqing University of Posts and Telecommunications","ror":"https://ror.org/03dgaqz26","country_code":"CN","type":"education","lineage":["https://openalex.org/I10535382"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yunhan Pei","raw_affiliation_strings":["School of Electronic Science and Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China"],"raw_orcid":"https://orcid.org/0009-0004-6040-221X","affiliations":[{"raw_affiliation_string":"School of Electronic Science and Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China","institution_ids":["https://openalex.org/I10535382"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5121278753","display_name":"Gang Zhang","orcid":null},"institutions":[{"id":"https://openalex.org/I10535382","display_name":"Chongqing University of Posts and Telecommunications","ror":"https://ror.org/03dgaqz26","country_code":"CN","type":"education","lineage":["https://openalex.org/I10535382"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Gang Zhang","raw_affiliation_strings":["School of Communications and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China"],"raw_orcid":"https://orcid.org/0009-0009-4807-9444","affiliations":[{"raw_affiliation_string":"School of Communications and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China","institution_ids":["https://openalex.org/I10535382"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5102432597","display_name":"Yongqi Guo","orcid":null},"institutions":[{"id":"https://openalex.org/I10535382","display_name":"Chongqing University of Posts and Telecommunications","ror":"https://ror.org/03dgaqz26","country_code":"CN","type":"education","lineage":["https://openalex.org/I10535382"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yongqi Guo","raw_affiliation_strings":["School of Communications and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China"],"raw_orcid":"https://orcid.org/0009-0005-8463-5007","affiliations":[{"raw_affiliation_string":"School of Communications and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China","institution_ids":["https://openalex.org/I10535382"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I10535382"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.66547798,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"30","issue":null,"first_page":"612","last_page":"616"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10244","display_name":"Chaos control and synchronization","score":0.6711000204086304,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10244","display_name":"Chaos control and synchronization","score":0.6711000204086304,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.031199999153614044,"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/T11347","display_name":"Neural Networks Stability and Synchronization","score":0.025699999183416367,"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/additive-white-gaussian-noise","display_name":"Additive white Gaussian noise","score":0.6615999937057495},{"id":"https://openalex.org/keywords/bit-error-rate","display_name":"Bit error rate","score":0.6259999871253967},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.5497999787330627},{"id":"https://openalex.org/keywords/subcarrier","display_name":"Subcarrier","score":0.5123999714851379},{"id":"https://openalex.org/keywords/rayleigh-fading","display_name":"Rayleigh fading","score":0.5105999708175659},{"id":"https://openalex.org/keywords/modulation","display_name":"Modulation (music)","score":0.4943999946117401},{"id":"https://openalex.org/keywords/phase-shift-keying","display_name":"Phase-shift keying","score":0.38940000534057617},{"id":"https://openalex.org/keywords/kronecker-product","display_name":"Kronecker product","score":0.3862999975681305},{"id":"https://openalex.org/keywords/pulse-position-modulation","display_name":"Pulse-position modulation","score":0.3824000060558319},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.3790999948978424}],"concepts":[{"id":"https://openalex.org/C169334058","wikidata":"https://www.wikidata.org/wiki/Q353292","display_name":"Additive white Gaussian noise","level":3,"score":0.6615999937057495},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.6259999871253967},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5792999863624573},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5742999911308289},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.5497999787330627},{"id":"https://openalex.org/C198329298","wikidata":"https://www.wikidata.org/wiki/Q586358","display_name":"Subcarrier","level":4,"score":0.5123999714851379},{"id":"https://openalex.org/C56985126","wikidata":"https://www.wikidata.org/wiki/Q854039","display_name":"Rayleigh fading","level":4,"score":0.5105999708175659},{"id":"https://openalex.org/C123079801","wikidata":"https://www.wikidata.org/wiki/Q750240","display_name":"Modulation (music)","level":2,"score":0.4943999946117401},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3968000113964081},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3944000005722046},{"id":"https://openalex.org/C186378180","wikidata":"https://www.wikidata.org/wiki/Q4874866","display_name":"Phase-shift keying","level":4,"score":0.38940000534057617},{"id":"https://openalex.org/C46030957","wikidata":"https://www.wikidata.org/wiki/Q1238125","display_name":"Kronecker product","level":3,"score":0.3862999975681305},{"id":"https://openalex.org/C46035914","wikidata":"https://www.wikidata.org/wiki/Q1767289","display_name":"Pulse-position modulation","level":5,"score":0.3824000060558319},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.37929999828338623},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.3790999948978424},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.3691999912261963},{"id":"https://openalex.org/C161218011","wikidata":"https://www.wikidata.org/wiki/Q11827794","display_name":"Multipath propagation","level":3,"score":0.35910001397132874},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.35530000925064087},{"id":"https://openalex.org/C198082294","wikidata":"https://www.wikidata.org/wiki/Q3399648","display_name":"Position (finance)","level":2,"score":0.3458000123500824},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.3425000011920929},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.335999995470047},{"id":"https://openalex.org/C4199805","wikidata":"https://www.wikidata.org/wiki/Q2725903","display_name":"Gaussian noise","level":2,"score":0.31769999861717224},{"id":"https://openalex.org/C2776542216","wikidata":"https://www.wikidata.org/wiki/Q6398306","display_name":"Keying","level":2,"score":0.311599999666214},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.3095000088214874},{"id":"https://openalex.org/C103088060","wikidata":"https://www.wikidata.org/wiki/Q1062839","display_name":"Error detection and correction","level":2,"score":0.30239999294281006},{"id":"https://openalex.org/C206468330","wikidata":"https://www.wikidata.org/wiki/Q834373","display_name":"Code rate","level":3,"score":0.2962999939918518},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.2962000072002411},{"id":"https://openalex.org/C112633086","wikidata":"https://www.wikidata.org/wiki/Q381287","display_name":"White noise","level":2,"score":0.29109999537467957},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.290800005197525},{"id":"https://openalex.org/C32409245","wikidata":"https://www.wikidata.org/wiki/Q749753","display_name":"Quadrature amplitude modulation","level":4,"score":0.28600001335144043},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.2775999903678894},{"id":"https://openalex.org/C174749922","wikidata":"https://www.wikidata.org/wiki/Q11827794","display_name":"Multipath interference","level":4,"score":0.27559998631477356},{"id":"https://openalex.org/C105344744","wikidata":"https://www.wikidata.org/wiki/Q958957","display_name":"Spread spectrum","level":3,"score":0.2752000093460083},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.27410000562667847},{"id":"https://openalex.org/C195251586","wikidata":"https://www.wikidata.org/wiki/Q1185939","display_name":"Demodulation","level":3,"score":0.2709999978542328},{"id":"https://openalex.org/C74645175","wikidata":"https://www.wikidata.org/wiki/Q428083","display_name":"Symbol rate","level":4,"score":0.26980000734329224},{"id":"https://openalex.org/C2776639698","wikidata":"https://www.wikidata.org/wiki/Q4927140","display_name":"Block Error Rate","level":3,"score":0.265500009059906},{"id":"https://openalex.org/C101765175","wikidata":"https://www.wikidata.org/wiki/Q577764","display_name":"Communications system","level":2,"score":0.26269999146461487},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.25920000672340393},{"id":"https://openalex.org/C93226319","wikidata":"https://www.wikidata.org/wiki/Q193137","display_name":"Differential (mechanical device)","level":2,"score":0.25049999356269836}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lcomm.2025.3646108","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2025.3646108","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"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 Communications Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1784021816","display_name":null,"funder_award_id":"CSTB2023NSCQMSX0235","funder_id":"https://openalex.org/F4320323172","funder_display_name":"Natural Science Foundation of Chongqing"},{"id":"https://openalex.org/G7558000226","display_name":null,"funder_award_id":"CSTB2024NSCQ-MSX1060","funder_id":"https://openalex.org/F4320323172","funder_display_name":"Natural Science Foundation of Chongqing"},{"id":"https://openalex.org/G7793339091","display_name":null,"funder_award_id":"cstc2021jcyj-msxmX0836","funder_id":"https://openalex.org/F4320323172","funder_display_name":"Natural Science Foundation of Chongqing"}],"funders":[{"id":"https://openalex.org/F4320323172","display_name":"Natural Science Foundation of Chongqing","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W2106015652","https://openalex.org/W2136787699","https://openalex.org/W2142375459","https://openalex.org/W2540924152","https://openalex.org/W2744485539","https://openalex.org/W2793931757","https://openalex.org/W2891073485","https://openalex.org/W3108219631","https://openalex.org/W3134469453","https://openalex.org/W3206561491","https://openalex.org/W4367276435","https://openalex.org/W4396523497","https://openalex.org/W4403154532","https://openalex.org/W4403256678","https://openalex.org/W4409853205"],"related_works":[],"abstract_inverted_index":{"To":[0],"address":[1],"the":[2,34,46,81,93,119,157],"issues":[3],"of":[4,33,77,95],"low":[5],"transmission":[6,162],"rate":[7,12],"and":[8,63,132,148,164],"poor":[9],"bit":[10],"error":[11],"(BER)":[13],"performance":[14,167],"in":[15,80,174],"traditional":[16],"Differential":[17],"Chaos":[18],"Shift":[19],"Keying":[20],"(DCSK)":[21],"systems,":[22],"this":[23],"letter":[24],"proposes":[25],"a":[26,42,86,121],"novel":[27],"position-index-modulation-based":[28],"DCSK":[29],"scheme.":[30],"Each":[31,55],"row":[32],"Walsh":[35],"code":[36],"matrix":[37],"is":[38,126],"used":[39],"to":[40,50,67,92,113,128],"perform":[41],"Kronecker":[43],"product":[44],"with":[45,169],"initial":[47],"reference":[48],"signal":[49,57],"generate":[51],"multiple":[52],"orthogonal":[53,56,116],"signals.":[54,117],"independently":[58],"undergoes":[59],"position":[60,88],"index":[61,71],"modulation":[62,72],"carries":[64],"modulated":[65],"bits":[66],"transmit":[68,114],"information.":[69],"Position":[70],"labels":[73],"each":[74,78],"time":[75],"slot":[76],"subcarrier":[79],"system":[82,134,159],"frame":[83],"structure":[84],"as":[85],"unique":[87],"indexed":[89],"sequentially.":[90],"According":[91],"rules":[94],"<inline-formula":[96],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[97],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">":[98],"<tex-math":[99],"notation=\"LaTeX\">$K$":[100],"</tex-math></inline-formula>-combination":[101],"mapping,":[102],"one":[103],"or":[104],"more":[105],"active":[106],"positions":[107,112],"are":[108,139],"selected":[109],"from":[110],"all":[111],"corresponding":[115],"At":[118],"receiver,":[120],"sliding":[122],"average":[123],"denoising":[124],"technique":[125],"introduced":[127],"reduce":[129],"noise":[130,145],"variance":[131],"enhance":[133],"reliability.":[135],"Additionally,":[136],"BER":[137,166],"expressions":[138],"derived":[140],"under":[141],"additive":[142],"white":[143],"Gaussian":[144],"(AWGN)":[146],"channels":[147],"multipath":[149],"Rayleigh":[150],"fading":[151],"channels.":[152],"Simulation":[153],"results":[154],"demonstrate":[155],"that":[156],"proposed":[158,173],"achieves":[160],"higher":[161],"rates":[163],"better":[165],"compared":[168],"several":[170],"DCSK-based":[171],"schemes":[172],"recent":[175],"years.":[176]},"counts_by_year":[],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-12-25T00:00:00"}