{"id":"https://openalex.org/W2099324230","doi":"https://doi.org/10.1109/wts.2007.4563318","title":"Low complexity demodulator for M-ary QAM","display_name":"Low complexity demodulator for M-ary QAM","publication_year":2007,"publication_date":"2007-04-01","ids":{"openalex":"https://openalex.org/W2099324230","doi":"https://doi.org/10.1109/wts.2007.4563318","mag":"2099324230"},"language":"en","primary_location":{"id":"doi:10.1109/wts.2007.4563318","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wts.2007.4563318","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 Wireless Telecommunications Symposium","raw_type":"proceedings-article"},"type":"conference-paper","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/A5060723577","display_name":"Hen\u2010Geul Yeh","orcid":"https://orcid.org/0000-0001-9209-3109"},"institutions":[{"id":"https://openalex.org/I59897056","display_name":"California State University, Long Beach","ror":"https://ror.org/0080fxk18","country_code":"US","type":"education","lineage":["https://openalex.org/I59897056"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Hen-Geul Yeh","raw_affiliation_strings":["Electrical Engineering Department, California State University, Long Beach, CA, USA","Electr. Eng. Dept., California State Univ., Long Beach, CA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Electrical Engineering Department, California State University, Long Beach, CA, USA","institution_ids":["https://openalex.org/I59897056"]},{"raw_affiliation_string":"Electr. Eng. Dept., California State Univ., Long Beach, CA","institution_ids":["https://openalex.org/I59897056"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5103534080","display_name":"HongSeok Seo","orcid":null},"institutions":[{"id":"https://openalex.org/I59897056","display_name":"California State University, Long Beach","ror":"https://ror.org/0080fxk18","country_code":"US","type":"education","lineage":["https://openalex.org/I59897056"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"HongSeok Seo","raw_affiliation_strings":["Electrical Engineering Department, California State University, Long Beach, CA, USA","Electr. Eng. Dept., California State Univ., Long Beach, CA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Electrical Engineering Department, California State University, Long Beach, CA, USA","institution_ids":["https://openalex.org/I59897056"]},{"raw_affiliation_string":"Electr. Eng. Dept., California State Univ., Long Beach, CA","institution_ids":["https://openalex.org/I59897056"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I59897056"],"apc_list":null,"apc_paid":null,"fwci":0.4991,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.59683179,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","score":1.0,"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":1.0,"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/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"}},{"id":"https://openalex.org/T11873","display_name":"PAPR reduction in OFDM","score":0.9998000264167786,"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/demodulation","display_name":"Demodulation","score":0.8595405220985413},{"id":"https://openalex.org/keywords/quadrature-amplitude-modulation","display_name":"Quadrature amplitude modulation","score":0.8498550057411194},{"id":"https://openalex.org/keywords/qam","display_name":"QAM","score":0.821755051612854},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.7670027017593384},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6170969605445862},{"id":"https://openalex.org/keywords/bit-error-rate","display_name":"Bit error rate","score":0.5943220257759094},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5520713925361633},{"id":"https://openalex.org/keywords/symbol","display_name":"Symbol (formal)","score":0.4634983241558075},{"id":"https://openalex.org/keywords/constellation-diagram","display_name":"Constellation diagram","score":0.45479729771614075},{"id":"https://openalex.org/keywords/maximum-likelihood","display_name":"Maximum likelihood","score":0.451569527387619},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.37088871002197266},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.20562738180160522},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.19755101203918457}],"concepts":[{"id":"https://openalex.org/C195251586","wikidata":"https://www.wikidata.org/wiki/Q1185939","display_name":"Demodulation","level":3,"score":0.8595405220985413},{"id":"https://openalex.org/C32409245","wikidata":"https://www.wikidata.org/wiki/Q749753","display_name":"Quadrature amplitude modulation","level":4,"score":0.8498550057411194},{"id":"https://openalex.org/C59030546","wikidata":"https://www.wikidata.org/wiki/Q7265371","display_name":"QAM","level":5,"score":0.821755051612854},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.7670027017593384},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6170969605445862},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.5943220257759094},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5520713925361633},{"id":"https://openalex.org/C134400042","wikidata":"https://www.wikidata.org/wiki/Q2372244","display_name":"Symbol (formal)","level":2,"score":0.4634983241558075},{"id":"https://openalex.org/C185837786","wikidata":"https://www.wikidata.org/wiki/Q1782940","display_name":"Constellation diagram","level":4,"score":0.45479729771614075},{"id":"https://openalex.org/C49781872","wikidata":"https://www.wikidata.org/wiki/Q1045555","display_name":"Maximum likelihood","level":2,"score":0.451569527387619},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.37088871002197266},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.20562738180160522},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.19755101203918457},{"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":1,"locations":[{"id":"doi:10.1109/wts.2007.4563318","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wts.2007.4563318","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 Wireless Telecommunications Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","score":0.800000011920929,"id":"https://metadata.un.org/sdg/16"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W1509318442","https://openalex.org/W2101939691","https://openalex.org/W2132944622","https://openalex.org/W2159334449","https://openalex.org/W2160798142","https://openalex.org/W4245808720","https://openalex.org/W6683660390"],"related_works":["https://openalex.org/W3137781708","https://openalex.org/W2776889143","https://openalex.org/W3139451426","https://openalex.org/W2103491754","https://openalex.org/W2253476804","https://openalex.org/W2901566525","https://openalex.org/W2561907769","https://openalex.org/W2393808638","https://openalex.org/W4364305175","https://openalex.org/W2127132290"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"a":[3,38,86],"simple":[4],"hard":[5],"decision":[6,29],"method":[7],"for":[8,48],"demodulating":[9],"M-ary":[10,19],"quadrature":[11],"amplitude":[12],"modulation":[13],"(QAM)":[14],"is":[15,66,92,103],"presented.":[16],"Traditionally,":[17],"the":[18,23,28,43,62,68,83,96,109,117,125],"QAM":[20],"demodulator":[21],"employs":[22],"maximum":[24,39],"likelihood":[25,40],"algorithm":[26],"as":[27,46,124],"rule.":[30],"It":[31],"assumes":[32],"equally":[33],"likely":[34],"message":[35,52],"symbols.":[36],"Accordingly,":[37],"decoder":[41],"computes":[42],"log-likelihood":[44],"functions":[45],"metrics":[47],"all":[49],"possible":[50],"M":[51,65],"symbols,":[53],"compares":[54],"them,":[55],"and":[56,74,106],"then":[57],"decides":[58],"in":[59],"favor":[60],"of":[61,70],"maximum.":[63],"When":[64],"larger,":[67],"number":[69],"multiplications,":[71],"additions,":[72],"subtractions,":[73],"comparisons":[75],"are":[76],"significantly":[77,104],"increased.":[78],"As":[79],"opposed":[80],"to":[81],"decode":[82],"received":[84],"symbol,":[85],"new":[87],"bit":[88,100,119],"level":[89],"decoding":[90,101],"scheme":[91,102],"proposed":[93],"based":[94],"on":[95],"signal":[97],"constellation.":[98],"This":[99],"simpler":[105],"faster":[107],"than":[108],"conventional":[110,126],"method.":[111,127],"Simulation":[112],"results":[113],"show":[114],"it":[115],"presents":[116],"same":[118],"error":[120],"rate":[121],"(BER)":[122],"performance":[123]},"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}