{"id":"https://openalex.org/W1574942719","doi":"https://doi.org/10.1109/tsp.2015.2446441","title":"Optimized Configurable Architectures for Scalable Soft-Input Soft-Output MIMO Detectors With 256-QAM","display_name":"Optimized Configurable Architectures for Scalable Soft-Input Soft-Output MIMO Detectors With 256-QAM","publication_year":2015,"publication_date":"2015-06-16","ids":{"openalex":"https://openalex.org/W1574942719","doi":"https://doi.org/10.1109/tsp.2015.2446441","mag":"1574942719"},"language":"en","primary_location":{"id":"doi:10.1109/tsp.2015.2446441","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2015.2446441","pdf_url":null,"source":{"id":"https://openalex.org/S168680287","display_name":"IEEE Transactions on Signal Processing","issn_l":"1053-587X","issn":["1053-587X","1941-0476"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Transactions on Signal Processing","raw_type":"journal-article"},"type":"article","indexed_in":["arxiv","crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/1506.04644","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5038988201","display_name":"Mohammad M. Mansour","orcid":"https://orcid.org/0000-0002-8316-1330"},"institutions":[{"id":"https://openalex.org/I98635879","display_name":"American University of Beirut","ror":"https://ror.org/04pznsd21","country_code":"LB","type":"education","lineage":["https://openalex.org/I98635879"]}],"countries":["LB"],"is_corresponding":false,"raw_author_name":"Mohammad M. Mansour","raw_affiliation_strings":["Department of Electrical and Computer Engineering, American University of Beirut, Lebanon","[Dept. of Electrical and Computer Engineering, American University of Beirut, Lebanon]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, American University of Beirut, Lebanon","institution_ids":["https://openalex.org/I98635879"]},{"raw_affiliation_string":"[Dept. of Electrical and Computer Engineering, American University of Beirut, Lebanon]","institution_ids":["https://openalex.org/I98635879"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5018200269","display_name":"Louay M. A. Jalloul","orcid":null},"institutions":[{"id":"https://openalex.org/I19268510","display_name":"Qualcomm (United Kingdom)","ror":"https://ror.org/04d3djg48","country_code":"GB","type":"company","lineage":["https://openalex.org/I19268510","https://openalex.org/I4210087596"]},{"id":"https://openalex.org/I4210087596","display_name":"Qualcomm (United States)","ror":"https://ror.org/002zrf773","country_code":"US","type":"company","lineage":["https://openalex.org/I4210087596"]},{"id":"https://openalex.org/I4210111675","display_name":"Market Matters","ror":"https://ror.org/021yan307","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I4210111675"]}],"countries":["GB","US"],"is_corresponding":false,"raw_author_name":"Louay M. A. Jalloul","raw_affiliation_strings":["Qualcomm Inc., San Jose, CA","Qualcomm Inc., San Jose"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Qualcomm Inc., San Jose, CA","institution_ids":["https://openalex.org/I4210087596","https://openalex.org/I4210111675"]},{"raw_affiliation_string":"Qualcomm Inc., San Jose","institution_ids":["https://openalex.org/I19268510","https://openalex.org/I4210111675"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.2457,"has_fulltext":false,"cited_by_count":23,"citation_normalized_percentile":{"value":0.88084805,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"63","issue":"18","first_page":"4969","last_page":"4984"},"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/T11321","display_name":"Error Correcting Code Techniques","score":0.9995999932289124,"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":0.9983999729156494,"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/mimo","display_name":"MIMO","score":0.8463972806930542},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6934419274330139},{"id":"https://openalex.org/keywords/detector","display_name":"Detector","score":0.6306968927383423},{"id":"https://openalex.org/keywords/slicing","display_name":"Slicing","score":0.5879375338554382},{"id":"https://openalex.org/keywords/spatial-multiplexing","display_name":"Spatial multiplexing","score":0.5517350435256958},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.5041128396987915},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.4865640699863434},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.4772986173629761},{"id":"https://openalex.org/keywords/reconfigurability","display_name":"Reconfigurability","score":0.46084025502204895},{"id":"https://openalex.org/keywords/quadrature-amplitude-modulation","display_name":"Quadrature amplitude modulation","score":0.44780057668685913},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.3799111843109131},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.3775521218776703},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3693828582763672},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3536021113395691},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.29889988899230957},{"id":"https://openalex.org/keywords/bit-error-rate","display_name":"Bit error rate","score":0.1530405580997467},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.13417792320251465},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.12916874885559082},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.11931595206260681},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.11700943112373352}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.8463972806930542},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6934419274330139},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.6306968927383423},{"id":"https://openalex.org/C2776190703","wikidata":"https://www.wikidata.org/wiki/Q488148","display_name":"Slicing","level":2,"score":0.5879375338554382},{"id":"https://openalex.org/C85884896","wikidata":"https://www.wikidata.org/wiki/Q7574075","display_name":"Spatial multiplexing","level":4,"score":0.5517350435256958},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.5041128396987915},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.4865640699863434},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.4772986173629761},{"id":"https://openalex.org/C2780149590","wikidata":"https://www.wikidata.org/wiki/Q7302742","display_name":"Reconfigurability","level":2,"score":0.46084025502204895},{"id":"https://openalex.org/C32409245","wikidata":"https://www.wikidata.org/wiki/Q749753","display_name":"Quadrature amplitude modulation","level":4,"score":0.44780057668685913},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.3799111843109131},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3775521218776703},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3693828582763672},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3536021113395691},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.29889988899230957},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.1530405580997467},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.13417792320251465},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.12916874885559082},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.11931595206260681},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.11700943112373352},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tsp.2015.2446441","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2015.2446441","pdf_url":null,"source":{"id":"https://openalex.org/S168680287","display_name":"IEEE Transactions on Signal Processing","issn_l":"1053-587X","issn":["1053-587X","1941-0476"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Transactions on Signal Processing","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:1506.04644","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1506.04644","pdf_url":"https://arxiv.org/pdf/1506.04644","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:1506.04644","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1506.04644","pdf_url":"https://arxiv.org/pdf/1506.04644","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[{"score":0.47999998927116394,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":67,"referenced_works":["https://openalex.org/W612111850","https://openalex.org/W1508642566","https://openalex.org/W1555986461","https://openalex.org/W1557486844","https://openalex.org/W1725876082","https://openalex.org/W1900169287","https://openalex.org/W1946663460","https://openalex.org/W1976919220","https://openalex.org/W1981745143","https://openalex.org/W1988674361","https://openalex.org/W1993405011","https://openalex.org/W2022148313","https://openalex.org/W2025972945","https://openalex.org/W2027402975","https://openalex.org/W2029435453","https://openalex.org/W2033922516","https://openalex.org/W2036726720","https://openalex.org/W2064812691","https://openalex.org/W2073053079","https://openalex.org/W2075081724","https://openalex.org/W2081413143","https://openalex.org/W2082067347","https://openalex.org/W2085003387","https://openalex.org/W2097174089","https://openalex.org/W2097780353","https://openalex.org/W2103005479","https://openalex.org/W2107895753","https://openalex.org/W2110404830","https://openalex.org/W2111626380","https://openalex.org/W2112772743","https://openalex.org/W2113703908","https://openalex.org/W2116631972","https://openalex.org/W2118425896","https://openalex.org/W2125526602","https://openalex.org/W2126045936","https://openalex.org/W2127739274","https://openalex.org/W2130886063","https://openalex.org/W2133596761","https://openalex.org/W2136964481","https://openalex.org/W2137985086","https://openalex.org/W2140940105","https://openalex.org/W2148907454","https://openalex.org/W2149525768","https://openalex.org/W2149713248","https://openalex.org/W2153948997","https://openalex.org/W2154310679","https://openalex.org/W2156779572","https://openalex.org/W2156787051","https://openalex.org/W2158439145","https://openalex.org/W2167848776","https://openalex.org/W2168479493","https://openalex.org/W2168830205","https://openalex.org/W2169335080","https://openalex.org/W2170503126","https://openalex.org/W2272409364","https://openalex.org/W2295114621","https://openalex.org/W3102350161","https://openalex.org/W3159913259","https://openalex.org/W4205347518","https://openalex.org/W4214819905","https://openalex.org/W4294338409","https://openalex.org/W6633254669","https://openalex.org/W6657489572","https://openalex.org/W6658450019","https://openalex.org/W6676346180","https://openalex.org/W6679829038","https://openalex.org/W6697486675"],"related_works":["https://openalex.org/W2950721519","https://openalex.org/W1030714881","https://openalex.org/W2128315032","https://openalex.org/W2336268344","https://openalex.org/W2036800514","https://openalex.org/W2097396380","https://openalex.org/W4282945775","https://openalex.org/W2162065658","https://openalex.org/W2108246702","https://openalex.org/W2111046222"],"abstract_inverted_index":{"This":[0],"paper":[1],"presents":[2],"an":[3,89,152,221,231],"optimized":[4,98],"low-complexity":[5],"and":[6,32,67,75,85,104,186,202,236],"high-throughput":[7],"MIMO":[8,55,95,224],"signal":[9],"detector":[10,56,96,225],"core":[11,19,43,176,215,229],"for":[12,88,226,243],"detecting":[13],"spatially":[14],"multiplexed":[15],"data":[16],"streams.":[17],"The":[18,42,213,228],"architecture":[20],"supports":[21],"various":[22],"layer":[23],"configurations":[24],"up":[25,36],"to":[26,37,99,148,196,219],"4,":[27],"while":[28,128],"achieving":[29],"near-optimal":[30],"performance,":[31],"configurable":[33],"modulation":[34],"constellations":[35],"256-QAM":[38,244],"on":[39],"each":[40],"layer.":[41],"is":[44,71,131,157,216],"capable":[45],"of":[46,64,102,108,113,163,207,233,240],"operating":[47],"as":[48],"a":[49,93,142,178,182,187,198,238],"soft-input":[50,114],"soft-output":[51],"log-likelihood":[52],"ratio":[53],"(LLR)":[54],"which":[57,171],"can":[58,120],"be":[59,121],"used":[60],"in":[61,110,141,247],"the":[62,106,111,161,174],"context":[63],"iterative":[65],"detection":[66,162,169,200],"decoding.":[68],"High":[69],"area-efficiency":[70],"achieved":[72],"via":[73,133],"algorithmic":[74],"architectural":[76],"optimizations":[77],"performed":[78],"at":[79],"two":[80],"levels.":[81],"First,":[82],"distance":[83,183],"computations":[84],"slicing":[86,109,130],"operations":[87],"optimal":[90,129,222],"2-layer":[91,168,175],"maximum":[92],"posteriori":[94],"are":[97,193],"eliminate":[100],"use":[101],"multipliers":[103],"reduce":[105],"overhead":[107],"presence":[112],"LLRs.":[115],"We":[116],"show":[117],"that":[118,159],"distances":[119],"easily":[122],"computed":[123],"using":[124,181],"elementary":[125],"addition":[126],"operations,":[127],"done":[132],"efficient":[134,153],"comparisons":[135],"with":[136,177],"soft":[137],"decision":[138],"boundaries,":[139],"resulting":[140],"simple":[143],"feed-forward":[144],"pipelined":[145],"architecture.":[146],"Second,":[147],"support":[149],"more":[150,210],"layers,":[151],"channel":[154],"decomposition":[155],"scheme":[156],"presented":[158],"reduces":[160],"multiple":[164,167],"layers":[165],"into":[166],"subproblems,":[170],"map":[172],"onto":[173],"slight":[179],"modification":[180],"accumulation":[184],"stage":[185],"post-LLR":[188],"processing":[189],"stage.":[190],"Various":[191],"architectures":[192],"accordingly":[194],"developed":[195],"achieve":[197],"desired":[199],"throughput":[201,239],"run-time":[203],"reconfigurability":[204],"by":[205],"time-multiplexing":[206],"one":[208],"or":[209],"component":[211],"cores.":[212],"proposed":[214],"applied":[217],"also":[218],"design":[220],"multiuser":[223],"LTE.":[227],"occupies":[230],"area":[232],"1.58":[234],"MGE":[235],"achieves":[237],"733":[241],"Mbps":[242],"when":[245],"synthesized":[246],"90-nm":[248],"CMOS.":[249]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":4},{"year":2016,"cited_by_count":5},{"year":2015,"cited_by_count":2}],"updated_date":"2026-08-05T07:39:15.569665","created_date":"2025-10-10T00:00:00"}
