{"id":"https://openalex.org/W2022353106","doi":"https://doi.org/10.1109/crowncom.2007.4549828","title":"Soft-demodulation of Transform Domain Communication System Signals","display_name":"Soft-demodulation of Transform Domain Communication System Signals","publication_year":2007,"publication_date":"2007-08-01","ids":{"openalex":"https://openalex.org/W2022353106","doi":"https://doi.org/10.1109/crowncom.2007.4549828","mag":"2022353106"},"language":"en","primary_location":{"id":"doi:10.1109/crowncom.2007.4549828","is_oa":false,"landing_page_url":"https://doi.org/10.1109/crowncom.2007.4549828","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 2nd International Conference on Cognitive Radio Oriented Wireless Networks and Communications","raw_type":"proceedings-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/A5101556827","display_name":"Chuan Han","orcid":null},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chuan Han","raw_affiliation_strings":["National Key Laboratory of Communications, University of Electronic Science and Technology, Chengdu, Sichuan, China","National Key Laboratory of Communications, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, P.R. China, Email: chuan.han.comm@gmail.com"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Key Laboratory of Communications, University of Electronic Science and Technology, Chengdu, Sichuan, China","institution_ids":["https://openalex.org/I150229711"]},{"raw_affiliation_string":"National Key Laboratory of Communications, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, P.R. China, Email: chuan.han.comm@gmail.com","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100384800","display_name":"Jun Wang","orcid":"https://orcid.org/0000-0002-7884-6714"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jun Wang","raw_affiliation_strings":["National Key Laboratory of Communications, University of Electronic Science and Technology, Chengdu, Sichuan, China","National Key Laboratory of Communications, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, P.R. China, Email: junwang@uestc.edu.cn"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Key Laboratory of Communications, University of Electronic Science and Technology, Chengdu, Sichuan, China","institution_ids":["https://openalex.org/I150229711"]},{"raw_affiliation_string":"National Key Laboratory of Communications, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, P.R. China, Email: junwang@uestc.edu.cn","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077295091","display_name":"Ning Liu","orcid":"https://orcid.org/0000-0002-2195-8424"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ning Liu","raw_affiliation_strings":["National Key Laboratory of Communications, University of Electronic Science and Technology, Chengdu, Sichuan, China","National Key Laboratory of Communications, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, P.R. China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Key Laboratory of Communications, University of Electronic Science and Technology, Chengdu, Sichuan, China","institution_ids":["https://openalex.org/I150229711"]},{"raw_affiliation_string":"National Key Laboratory of Communications, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, P.R. China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100960248","display_name":"Shuping Gong","orcid":null},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shuping Gong","raw_affiliation_strings":["National Key Laboratory of Communications, University of Electronic Science and Technology, Chengdu, Sichuan, China","National Key Laboratory of Communications, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, P.R. China, Email: shuping81@tom.com"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Key Laboratory of Communications, University of Electronic Science and Technology, Chengdu, Sichuan, China","institution_ids":["https://openalex.org/I150229711"]},{"raw_affiliation_string":"National Key Laboratory of Communications, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, P.R. China, Email: shuping81@tom.com","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5020825307","display_name":"Shaoqian Li","orcid":"https://orcid.org/0000-0001-7030-3195"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shaoqian Li","raw_affiliation_strings":["National Key Laboratory of Communications, University of Electronic Science and Technology, Chengdu, Sichuan, China","National Key Laboratory of Communications, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, P.R. China, Email: lsq@uestc.edu.cn"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Key Laboratory of Communications, University of Electronic Science and Technology, Chengdu, Sichuan, China","institution_ids":["https://openalex.org/I150229711"]},{"raw_affiliation_string":"National Key Laboratory of Communications, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, P.R. China, Email: lsq@uestc.edu.cn","institution_ids":["https://openalex.org/I150229711"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I150229711"],"apc_list":null,"apc_paid":null,"fwci":0.3592,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.64245204,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"50","issue":null,"first_page":"384","last_page":"388"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9998999834060669,"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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9998999834060669,"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/T10579","display_name":"Cognitive Radio Networks and Spectrum Sensing","score":0.9998999834060669,"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"}},{"id":"https://openalex.org/T10575","display_name":"Wireless Communication Networks Research","score":0.9998000264167786,"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/demodulation","display_name":"Demodulation","score":0.9093856811523438},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.788293182849884},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.5964751243591309},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.542759120464325},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.5339077115058899},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.5187080502510071},{"id":"https://openalex.org/keywords/cognitive-radio","display_name":"Cognitive radio","score":0.5134230852127075},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.510688841342926},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.5065256357192993},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.45839130878448486},{"id":"https://openalex.org/keywords/communications-system","display_name":"Communications system","score":0.4452720582485199},{"id":"https://openalex.org/keywords/frequency-domain","display_name":"Frequency domain","score":0.43739962577819824},{"id":"https://openalex.org/keywords/data-transmission","display_name":"Data transmission","score":0.4187723696231842},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.32669883966445923},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3180754780769348},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.2029542624950409},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.15177753567695618},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.1334468424320221}],"concepts":[{"id":"https://openalex.org/C195251586","wikidata":"https://www.wikidata.org/wiki/Q1185939","display_name":"Demodulation","level":3,"score":0.9093856811523438},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.788293182849884},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.5964751243591309},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.542759120464325},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.5339077115058899},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5187080502510071},{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.5134230852127075},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.510688841342926},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.5065256357192993},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.45839130878448486},{"id":"https://openalex.org/C101765175","wikidata":"https://www.wikidata.org/wiki/Q577764","display_name":"Communications system","level":2,"score":0.4452720582485199},{"id":"https://openalex.org/C19118579","wikidata":"https://www.wikidata.org/wiki/Q786423","display_name":"Frequency domain","level":2,"score":0.43739962577819824},{"id":"https://openalex.org/C557945733","wikidata":"https://www.wikidata.org/wiki/Q389772","display_name":"Data transmission","level":2,"score":0.4187723696231842},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.32669883966445923},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3180754780769348},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.2029542624950409},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.15177753567695618},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.1334468424320221},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/crowncom.2007.4549828","is_oa":false,"landing_page_url":"https://doi.org/10.1109/crowncom.2007.4549828","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 2nd International Conference on Cognitive Radio Oriented Wireless Networks and Communications","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16","score":0.550000011920929}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W1535749512","https://openalex.org/W1535801681","https://openalex.org/W2071707134","https://openalex.org/W2081017578","https://openalex.org/W2099557893","https://openalex.org/W2101911101","https://openalex.org/W2106866494","https://openalex.org/W2111479894","https://openalex.org/W2116106689","https://openalex.org/W2139946354","https://openalex.org/W2143289491","https://openalex.org/W2144369278","https://openalex.org/W2152999752","https://openalex.org/W2153090463","https://openalex.org/W2162872082","https://openalex.org/W6682468974"],"related_works":["https://openalex.org/W1996543123","https://openalex.org/W4388516297","https://openalex.org/W2010761432","https://openalex.org/W4389302182","https://openalex.org/W2089955640","https://openalex.org/W4229074657","https://openalex.org/W2149445465","https://openalex.org/W2356761726","https://openalex.org/W4200038496","https://openalex.org/W2377373413"],"abstract_inverted_index":{"Cognitive":[0],"radio":[1],"(CR)":[2],"has":[3,20],"become":[4],"one":[5,24],"promising":[6],"solution":[7],"to":[8,53,101],"the":[9,38,66,90,118,126,130,136],"shortage":[10],"of":[11,28,35,69,110],"spectrum":[12],"resources":[13],"and":[14,75,97,103,113],"transform":[15],"domain":[16],"communication":[17,45],"system":[18],"(TDCS)":[19],"been":[21],"proposed":[22,127],"as":[23,31],"candidate":[25,34],"transmission":[26,33],"technique":[27],"CR,":[29],"especially":[30,134],"a":[32],"signaling":[36],"in":[37,42,72,89,117,135],"CR":[39],"context.":[40],"While":[41],"most":[43],"modern":[44],"systems":[46],"soft-demodulation":[47,67],"is":[48],"concatenated":[49],"with":[50],"soft-decision":[51],"decoding":[52],"achieve":[54],"high":[55],"performances,":[56],"current":[57],"TDCS":[58,70],"cannot":[59],"output":[60],"soft":[61],"information.":[62],"In":[63],"this":[64],"work,":[65],"algorithm":[68],"signals":[71],"fading":[73],"channels":[74],"its":[76],"efficient":[77],"IFFT-based":[78],"implementation":[79,83],"are":[80],"proposed.":[81],"This":[82],"only":[84],"introduces":[85],"negligible":[86],"complexity":[87],"increase":[88],"receiver;":[91],"however,":[92],"it":[93,99],"brings":[94],"performance":[95],"improvement":[96],"makes":[98],"possible":[100],"efficiently":[102],"iteratively":[104],"soft-decode":[105],"coded":[106],"data.":[107],"Simulation":[108],"results":[109],"both":[111],"perfect":[112],"practical":[114],"channel":[115,123],"estimation":[116],"IEEE":[119],"802.22":[120],"Profile":[121],"C":[122],"show":[124],"that":[125],"method":[128],"outperforms":[129],"hard-decision":[131],"demodulation":[132],"method,":[133],"high-SNR-region.":[137]},"counts_by_year":[],"updated_date":"2026-06-26T08:34:08.712188","created_date":"2025-10-10T00:00:00"}