{"id":"https://openalex.org/W2086011390","doi":"https://doi.org/10.1155/2007/14916","title":"Interference Excision in Spread Spectrum Communications Using Adaptive Positive Time-Frequency Analysis","display_name":"Interference Excision in Spread Spectrum Communications Using Adaptive Positive Time-Frequency Analysis","publication_year":2007,"publication_date":"2007-07-05","ids":{"openalex":"https://openalex.org/W2086011390","doi":"https://doi.org/10.1155/2007/14916","mag":"2086011390"},"language":"en","primary_location":{"id":"doi:10.1155/2007/14916","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2007/14916","pdf_url":"https://jwcn-eurasipjournals.springeropen.com/counter/pdf/10.1155/2007/14916","source":{"id":"https://openalex.org/S82675988","display_name":"EURASIP Journal on Wireless Communications and Networking","issn_l":"1687-1472","issn":["1687-1472","1687-1499"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"EURASIP Journal on Wireless Communications and Networking","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://jwcn-eurasipjournals.springeropen.com/counter/pdf/10.1155/2007/14916","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5086845888","display_name":"Sridhar Krishnan","orcid":"https://orcid.org/0000-0002-4659-564X"},"institutions":[{"id":"https://openalex.org/I530967","display_name":"Toronto Metropolitan University","ror":"https://ror.org/05g13zd79","country_code":"CA","type":"education","lineage":["https://openalex.org/I530967"]}],"countries":["CA"],"is_corresponding":true,"raw_author_name":"Sridhar Krishnan","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Ryerson University, Toronto, ON, M5B 2K3, Canada","Department of Electrical and Computer Engineering, Ryerson University, Toronto, ON, Canada"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Ryerson University, Toronto, ON, M5B 2K3, Canada","institution_ids":["https://openalex.org/I530967"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Ryerson University, Toronto, ON, Canada","institution_ids":["https://openalex.org/I530967"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5056461947","display_name":"Serhat Erk\u00fc\u00e7\u00fck","orcid":"https://orcid.org/0000-0001-7041-8013"},"institutions":[{"id":"https://openalex.org/I530967","display_name":"Toronto Metropolitan University","ror":"https://ror.org/05g13zd79","country_code":"CA","type":"education","lineage":["https://openalex.org/I530967"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Serhat Erk\u00fc\u00e7\u00fck","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Ryerson University, Toronto, ON, M5B 2K3, Canada","Department of Electrical and Computer Engineering, Ryerson University, Toronto, ON, Canada"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Ryerson University, Toronto, ON, M5B 2K3, Canada","institution_ids":["https://openalex.org/I530967"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Ryerson University, Toronto, ON, Canada","institution_ids":["https://openalex.org/I530967"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5086845888"],"corresponding_institution_ids":["https://openalex.org/I530967"],"apc_list":{"value":1140,"currency":"GBP","value_usd":1398},"apc_paid":{"value":1140,"currency":"GBP","value_usd":1398},"fwci":0.0,"has_fulltext":true,"cited_by_count":4,"citation_normalized_percentile":{"value":0.61544325,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":96},"biblio":{"volume":"2007","issue":"1","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10655","display_name":"GNSS positioning and interference","score":0.9944999814033508,"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":0.9944999814033508,"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/T12549","display_name":"Image and Object Detection Techniques","score":0.9854000210762024,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10575","display_name":"Wireless Communication Networks Research","score":0.9753999710083008,"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/chirp","display_name":"Chirp","score":0.7323017716407776},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.6323444843292236},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5988710522651672},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.5659459233283997},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5068262219429016},{"id":"https://openalex.org/keywords/direct-sequence-spread-spectrum","display_name":"Direct-sequence spread spectrum","score":0.47775474190711975},{"id":"https://openalex.org/keywords/thresholding","display_name":"Thresholding","score":0.42183417081832886},{"id":"https://openalex.org/keywords/adjacent-channel-interference","display_name":"Adjacent-channel interference","score":0.41663554310798645},{"id":"https://openalex.org/keywords/spread-spectrum","display_name":"Spread spectrum","score":0.379106730222702},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.341269850730896},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2543622851371765},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.23361295461654663},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.17151710391044617},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.13655194640159607}],"concepts":[{"id":"https://openalex.org/C132794960","wikidata":"https://www.wikidata.org/wiki/Q27304","display_name":"Chirp","level":3,"score":0.7323017716407776},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.6323444843292236},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5988710522651672},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.5659459233283997},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5068262219429016},{"id":"https://openalex.org/C194491627","wikidata":"https://www.wikidata.org/wiki/Q1334354","display_name":"Direct-sequence spread spectrum","level":4,"score":0.47775474190711975},{"id":"https://openalex.org/C191178318","wikidata":"https://www.wikidata.org/wiki/Q2256906","display_name":"Thresholding","level":3,"score":0.42183417081832886},{"id":"https://openalex.org/C134222854","wikidata":"https://www.wikidata.org/wiki/Q4683140","display_name":"Adjacent-channel interference","level":4,"score":0.41663554310798645},{"id":"https://openalex.org/C105344744","wikidata":"https://www.wikidata.org/wiki/Q958957","display_name":"Spread spectrum","level":3,"score":0.379106730222702},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.341269850730896},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2543622851371765},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.23361295461654663},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.17151710391044617},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.13655194640159607},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.0},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1155/2007/14916","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2007/14916","pdf_url":"https://jwcn-eurasipjournals.springeropen.com/counter/pdf/10.1155/2007/14916","source":{"id":"https://openalex.org/S82675988","display_name":"EURASIP Journal on Wireless Communications and Networking","issn_l":"1687-1472","issn":["1687-1472","1687-1499"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"EURASIP Journal on Wireless Communications and Networking","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:136e39c4b85c40038007b0a6c704804b","is_oa":true,"landing_page_url":"https://doaj.org/article/136e39c4b85c40038007b0a6c704804b","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"EURASIP Journal on Wireless Communications and Networking, Vol 2007 (2007)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1155/2007/14916","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2007/14916","pdf_url":"https://jwcn-eurasipjournals.springeropen.com/counter/pdf/10.1155/2007/14916","source":{"id":"https://openalex.org/S82675988","display_name":"EURASIP Journal on Wireless Communications and Networking","issn_l":"1687-1472","issn":["1687-1472","1687-1499"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"EURASIP Journal on Wireless Communications and Networking","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.7099999785423279,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2086011390.pdf","grobid_xml":"https://content.openalex.org/works/W2086011390.grobid-xml"},"referenced_works_count":26,"referenced_works":["https://openalex.org/W1210424432","https://openalex.org/W1501913746","https://openalex.org/W1576463594","https://openalex.org/W1607167032","https://openalex.org/W1973958655","https://openalex.org/W1976412088","https://openalex.org/W2009953720","https://openalex.org/W2020221016","https://openalex.org/W2034874210","https://openalex.org/W2035290657","https://openalex.org/W2052560502","https://openalex.org/W2086968909","https://openalex.org/W2095905764","https://openalex.org/W2106051735","https://openalex.org/W2114674502","https://openalex.org/W2117096382","https://openalex.org/W2124927523","https://openalex.org/W2140050868","https://openalex.org/W2142811025","https://openalex.org/W2146635429","https://openalex.org/W2151693816","https://openalex.org/W2155439331","https://openalex.org/W2158877430","https://openalex.org/W2165878107","https://openalex.org/W2266099416","https://openalex.org/W3143835353"],"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/W2720413303","https://openalex.org/W2360749942","https://openalex.org/W2385187332","https://openalex.org/W3216389486"],"abstract_inverted_index":{"This":[0],"paper":[1],"introduces":[2],"a":[3,75,100,228],"novel":[4],"algorithm":[5,22,78],"to":[6,158,220],"excise":[7,159],"single":[8,194],"and":[9,31,61,92,116,153,189,195,213],"multicomponent":[10,196],"chirp-like":[11],"interferences":[12,133,173,192,222],"in":[13,231],"direct":[14],"sequence":[15],"spread":[16,45],"spectrum":[17,46],"(DSSS)":[18],"communications.":[19],"The":[20,122,199],"excision":[21],"consists":[23],"of":[24,88,149,170,211],"two":[25,126],"stages:":[26],"adaptive":[27,57],"signal":[28,47,58],"decomposition":[29,59],"stage":[30,35],"directional":[32,96,172],"element":[33],"detection":[34,77,169],"based":[36,79,146],"on":[37,80,85,134,147],"the":[38,43,62,69,81,86,89,108,114,119,132,135,150,160,168,203,214,232],"Hough-Radon":[39],"transform":[40],"(HRT).":[41],"Initially,":[42],"received":[44,120],"is":[48,104,154],"decomposed":[49],"into":[50],"its":[51],"time-frequency":[52],"(TF)":[53],"functions":[54,65,111],"using":[55],"an":[56,155],"algorithm,":[60],"resulting":[63],"TF":[64,70,90,110,136,151,233],"are":[66],"mapped":[67],"onto":[68],"plane.":[71,234],"We":[72],"then":[73],"use":[74],"line":[76],"HRT":[82],"that":[83,98,174,223],"operates":[84],"image":[87],"plane":[91,137],"detects":[93],"energy":[94],"varying":[95],"elements":[97],"satisfy":[99],"parametric":[101,229],"constraint.":[102],"Interference":[103],"modeled":[105],"by":[106,113,227],"reconstructing":[107],"corresponding":[109],"detected":[112],"HRT,":[115],"subtracted":[117],"from":[118],"signal.":[121],"proposed":[123,200],"technique":[124,215],"has":[125],"main":[127],"advantages:":[128],"(i)":[129],"it":[130,163],"localizes":[131],"with":[138,180,187],"no":[139],"cross-terms,":[140],"thus":[141],"facilitating":[142],"simple":[143],"filtering":[144],"techniques":[145],"thresholding":[148],"functions,":[152],"efficient":[156],"way":[157],"interference;":[161],"(ii)":[162],"can":[164,175],"be":[165,176,217,225],"used":[166],"for":[167,193],"any":[171,221],"parameterized.":[177],"Simulation":[178],"results":[179],"synthetic":[181],"models":[182],"have":[183],"shown":[184],"successful":[185],"performance":[186],"linear":[188],"quadratic":[190],"chirp":[191],"interference":[197,204],"cases.":[198],"method":[201],"excises":[202],"even":[205],"under":[206],"very":[207],"low":[208],"SNR":[209],"conditions":[210],"dB,":[212],"could":[216,224],"easily":[218],"extended":[219],"represented":[226],"equation":[230]},"counts_by_year":[{"year":2013,"cited_by_count":2}],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2025-10-10T00:00:00"}
