{"id":"https://openalex.org/W2082525270","doi":"https://doi.org/10.1109/wsa.2010.5456449","title":"Implementation of an SDFG based parallel depth-first complex sphere decoding algorithm","display_name":"Implementation of an SDFG based parallel depth-first complex sphere decoding algorithm","publication_year":2010,"publication_date":"2010-02-01","ids":{"openalex":"https://openalex.org/W2082525270","doi":"https://doi.org/10.1109/wsa.2010.5456449","mag":"2082525270"},"language":"en","primary_location":{"id":"doi:10.1109/wsa.2010.5456449","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wsa.2010.5456449","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2010 International ITG Workshop on Smart Antennas (WSA)","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/A5038627902","display_name":"Wenyao Xue","orcid":null},"institutions":[{"id":"https://openalex.org/I180437899","display_name":"University of Bremen","ror":"https://ror.org/04ers2y35","country_code":"DE","type":"education","lineage":["https://openalex.org/I180437899"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Wenyao Xue","raw_affiliation_strings":["Institute for Theoretical Electrical Engineering and Microelectronics (ITEM), University of Bremen, Otto-Hahn-Allee, NW1, 28359, Bremen, Germany"],"affiliations":[{"raw_affiliation_string":"Institute for Theoretical Electrical Engineering and Microelectronics (ITEM), University of Bremen, Otto-Hahn-Allee, NW1, 28359, Bremen, Germany","institution_ids":["https://openalex.org/I180437899"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043715062","display_name":"Till Wiegand","orcid":null},"institutions":[{"id":"https://openalex.org/I180437899","display_name":"University of Bremen","ror":"https://ror.org/04ers2y35","country_code":"DE","type":"education","lineage":["https://openalex.org/I180437899"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Till Wiegand","raw_affiliation_strings":["Institute for Theoretical Electrical Engineering and Microelectronics (ITEM), University of Bremen, Otto-Hahn-Allee, NW1, 28359, Bremen, Germany"],"affiliations":[{"raw_affiliation_string":"Institute for Theoretical Electrical Engineering and Microelectronics (ITEM), University of Bremen, Otto-Hahn-Allee, NW1, 28359, Bremen, Germany","institution_ids":["https://openalex.org/I180437899"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101959993","display_name":"Steffen Paul","orcid":"https://orcid.org/0000-0003-3392-0471"},"institutions":[{"id":"https://openalex.org/I180437899","display_name":"University of Bremen","ror":"https://ror.org/04ers2y35","country_code":"DE","type":"education","lineage":["https://openalex.org/I180437899"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Steffen Paul","raw_affiliation_strings":["Institute for Theoretical Electrical Engineering and Microelectronics (ITEM), University of Bremen, Otto-Hahn-Allee, NW1, 28359, Bremen, Germany"],"affiliations":[{"raw_affiliation_string":"Institute for Theoretical Electrical Engineering and Microelectronics (ITEM), University of Bremen, Otto-Hahn-Allee, NW1, 28359, Bremen, Germany","institution_ids":["https://openalex.org/I180437899"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5038627902"],"corresponding_institution_ids":["https://openalex.org/I180437899"],"apc_list":null,"apc_paid":null,"fwci":0.5773,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.72361125,"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":"213","last_page":"217"},"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/T10575","display_name":"Wireless Communication Networks Research","score":0.9991999864578247,"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":0.9987000226974487,"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/computer-science","display_name":"Computer science","score":0.7574998140335083},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.7480633854866028},{"id":"https://openalex.org/keywords/orthogonality","display_name":"Orthogonality","score":0.6969748139381409},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.6552638411521912},{"id":"https://openalex.org/keywords/tree","display_name":"Tree (set theory)","score":0.5203880071640015},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.48574405908584595},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.46243107318878174},{"id":"https://openalex.org/keywords/rotation","display_name":"Rotation (mathematics)","score":0.4533984661102295},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.4390498995780945},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.32238224148750305},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.19751426577568054},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.16022738814353943},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.1241418719291687}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7574998140335083},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.7480633854866028},{"id":"https://openalex.org/C17137986","wikidata":"https://www.wikidata.org/wiki/Q215067","display_name":"Orthogonality","level":2,"score":0.6969748139381409},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.6552638411521912},{"id":"https://openalex.org/C113174947","wikidata":"https://www.wikidata.org/wiki/Q2859736","display_name":"Tree (set theory)","level":2,"score":0.5203880071640015},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.48574405908584595},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.46243107318878174},{"id":"https://openalex.org/C74050887","wikidata":"https://www.wikidata.org/wiki/Q848368","display_name":"Rotation (mathematics)","level":2,"score":0.4533984661102295},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.4390498995780945},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.32238224148750305},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.19751426577568054},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.16022738814353943},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.1241418719291687},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/wsa.2010.5456449","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wsa.2010.5456449","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2010 International ITG Workshop on Smart Antennas (WSA)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W1649344707","https://openalex.org/W1990091363","https://openalex.org/W2062021750","https://openalex.org/W2101213054","https://openalex.org/W2107971525","https://openalex.org/W2116631972","https://openalex.org/W2117747693","https://openalex.org/W2122685238","https://openalex.org/W2137241108","https://openalex.org/W2138293524","https://openalex.org/W2156787051","https://openalex.org/W2170503986","https://openalex.org/W2556620113","https://openalex.org/W6675138356","https://openalex.org/W6680357739"],"related_works":["https://openalex.org/W2095582735","https://openalex.org/W2059318893","https://openalex.org/W1965698851","https://openalex.org/W834942123","https://openalex.org/W4232542516","https://openalex.org/W1967331680","https://openalex.org/W3176637561","https://openalex.org/W1587967017","https://openalex.org/W130629949","https://openalex.org/W2993249520"],"abstract_inverted_index":{"Iterative":[0],"tree":[1],"search":[2],"algorithms":[3,9],"like":[4],"K-Best":[5],"or":[6],"sphere":[7,37],"decoder":[8,38],"are":[10],"promising":[11],"candidates":[12],"for":[13],"the":[14,42,46,54,58,61,67],"upcoming":[15],"wireless":[16],"communications":[17],"systems.":[18],"In":[19],"this":[20],"paper":[21],"a":[22,35],"square":[23],"root":[24],"and":[25,63],"division":[26],"free":[27],"Givens":[28],"rotation":[29],"(SDFG)":[30],"algorithm":[31,39,47],"is":[32,48],"merged":[33],"into":[34,71],"common":[36],"to":[40,52],"decrease":[41],"entire":[43],"complexity.":[44],"Furthermore,":[45],"speeded":[49],"up":[50],"due":[51],"parallelizing":[53],"computation":[55],"by":[56],"taking":[57],"orthogonality":[59],"of":[60,66],"real":[62],"imaginary":[64],"parts":[65],"complex":[68],"transmit":[69],"symbols":[70],"account.":[72]},"counts_by_year":[{"year":2012,"cited_by_count":1}],"updated_date":"2025-11-25T21:42:39.735039","created_date":"2025-10-10T00:00:00"}
