{"id":"https://openalex.org/W2613957967","doi":"https://doi.org/10.1109/lwc.2017.2702639","title":"Likelihood-Based Tree Search for Low Complexity Detection in Large MIMO Systems","display_name":"Likelihood-Based Tree Search for Low Complexity Detection in Large MIMO Systems","publication_year":2017,"publication_date":"2017-05-12","ids":{"openalex":"https://openalex.org/W2613957967","doi":"https://doi.org/10.1109/lwc.2017.2702639","mag":"2613957967"},"language":"en","primary_location":{"id":"doi:10.1109/lwc.2017.2702639","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2017.2702639","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"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 Wireless Communications Letters","raw_type":"journal-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/A5102013162","display_name":"Saksham Agarwal","orcid":"https://orcid.org/0000-0002-1530-2568"},"institutions":[{"id":"https://openalex.org/I94234084","display_name":"Indian Institute of Technology Kanpur","ror":"https://ror.org/05pjsgx75","country_code":"IN","type":"education","lineage":["https://openalex.org/I94234084"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Saksham Agarwal","raw_affiliation_strings":["Department of Electrical Engineering, IIT Kanpur, Kanpur, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, IIT Kanpur, Kanpur, India","institution_ids":["https://openalex.org/I94234084"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042506488","display_name":"Abhay Kumar Sah","orcid":"https://orcid.org/0000-0002-3101-6852"},"institutions":[{"id":"https://openalex.org/I94234084","display_name":"Indian Institute of Technology Kanpur","ror":"https://ror.org/05pjsgx75","country_code":"IN","type":"education","lineage":["https://openalex.org/I94234084"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Abhay Kumar Sah","raw_affiliation_strings":["Department of Electrical Engineering, IIT Kanpur, Kanpur, India"],"raw_orcid":"https://orcid.org/0000-0002-3101-6852","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, IIT Kanpur, Kanpur, India","institution_ids":["https://openalex.org/I94234084"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5114860840","display_name":"A. K. Chaturvedi","orcid":"https://orcid.org/0009-0004-5481-3231"},"institutions":[{"id":"https://openalex.org/I154851008","display_name":"Indian Institute of Technology Roorkee","ror":"https://ror.org/00582g326","country_code":"IN","type":"education","lineage":["https://openalex.org/I154851008"]},{"id":"https://openalex.org/I94234084","display_name":"Indian Institute of Technology Kanpur","ror":"https://ror.org/05pjsgx75","country_code":"IN","type":"education","lineage":["https://openalex.org/I94234084"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"A. K. Chaturvedi","raw_affiliation_strings":["Department of Electrical Engineering, IIT Kanpur, Kanpur, India","Department of Electronics and Communication Engineering, IIT Roorkee, Roorkee, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, IIT Kanpur, Kanpur, India","institution_ids":["https://openalex.org/I94234084"]},{"raw_affiliation_string":"Department of Electronics and Communication Engineering, IIT Roorkee, Roorkee, India","institution_ids":["https://openalex.org/I154851008"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.408,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":{"value":0.82497212,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"6","issue":"4","first_page":"450","last_page":"453"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9988999962806702,"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":0.9988999962806702,"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/T10148","display_name":"Advanced MIMO Systems Optimization","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"}},{"id":"https://openalex.org/T11321","display_name":"Error Correcting Code Techniques","score":0.9965999722480774,"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":0.769126296043396},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6109762787818909},{"id":"https://openalex.org/keywords/search-tree","display_name":"Search tree","score":0.603678822517395},{"id":"https://openalex.org/keywords/tree","display_name":"Tree (set theory)","score":0.5996772050857544},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.5899816751480103},{"id":"https://openalex.org/keywords/branching","display_name":"Branching (polymer chemistry)","score":0.5331612825393677},{"id":"https://openalex.org/keywords/branch-and-bound","display_name":"Branch and bound","score":0.5022823810577393},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.49720123410224915},{"id":"https://openalex.org/keywords/quadratic-equation","display_name":"Quadratic equation","score":0.48603373765945435},{"id":"https://openalex.org/keywords/upper-and-lower-bounds","display_name":"Upper and lower bounds","score":0.4434165954589844},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.40157365798950195},{"id":"https://openalex.org/keywords/search-algorithm","display_name":"Search algorithm","score":0.30835723876953125},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.27805477380752563}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.769126296043396},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6109762787818909},{"id":"https://openalex.org/C207024777","wikidata":"https://www.wikidata.org/wiki/Q621673","display_name":"Search tree","level":3,"score":0.603678822517395},{"id":"https://openalex.org/C113174947","wikidata":"https://www.wikidata.org/wiki/Q2859736","display_name":"Tree (set theory)","level":2,"score":0.5996772050857544},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.5899816751480103},{"id":"https://openalex.org/C206175624","wikidata":"https://www.wikidata.org/wiki/Q595731","display_name":"Branching (polymer chemistry)","level":2,"score":0.5331612825393677},{"id":"https://openalex.org/C93693863","wikidata":"https://www.wikidata.org/wiki/Q897659","display_name":"Branch and bound","level":2,"score":0.5022823810577393},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.49720123410224915},{"id":"https://openalex.org/C129844170","wikidata":"https://www.wikidata.org/wiki/Q41299","display_name":"Quadratic equation","level":2,"score":0.48603373765945435},{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.4434165954589844},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.40157365798950195},{"id":"https://openalex.org/C125583679","wikidata":"https://www.wikidata.org/wiki/Q755673","display_name":"Search algorithm","level":2,"score":0.30835723876953125},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.27805477380752563},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","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},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.0},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lwc.2017.2702639","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2017.2702639","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"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 Wireless Communications Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W1603657390","https://openalex.org/W1966605367","https://openalex.org/W1973641217","https://openalex.org/W2031557991","https://openalex.org/W2068531154","https://openalex.org/W2077976567","https://openalex.org/W2093989288","https://openalex.org/W2102082054","https://openalex.org/W2120681221","https://openalex.org/W2128513990","https://openalex.org/W2139317044","https://openalex.org/W2141682101","https://openalex.org/W2292396738","https://openalex.org/W2296366773","https://openalex.org/W2336259629","https://openalex.org/W2479773448","https://openalex.org/W3106282754","https://openalex.org/W4300568640"],"related_works":["https://openalex.org/W2165085685","https://openalex.org/W2741597579","https://openalex.org/W1978745934","https://openalex.org/W2366206435","https://openalex.org/W2277678953","https://openalex.org/W2170283190","https://openalex.org/W3006406045","https://openalex.org/W2542523353","https://openalex.org/W27222569","https://openalex.org/W4248516644"],"abstract_inverted_index":{"A":[0],"recently":[1],"reported":[2,84],"result":[3],"on":[4],"large/massive":[5],"multiple-input":[6],"multiple-output":[7],"(MIMO)":[8],"detection":[9,104],"shows":[10],"the":[11,14,39,58,83,98,102],"utility":[12],"of":[13,41,45,60],"branch":[15],"and":[16],"bound":[17],"(BB)-based":[18],"tree":[19],"search":[20],"approach":[21],"for":[22,30,106],"this":[23,33,68],"problem.":[24],"We":[25,49,66],"can":[26],"consider":[27],"strong":[28],"branching":[29,54,69],"improving":[31],"upon":[32],"approach.":[34],"However,":[35],"that":[36,87,97],"will":[37],"require":[38],"solution":[40],"a":[42,51,72,78,90],"large":[43,107],"number":[44,59],"quadratic":[46],"programs":[47],"(QPs).":[48],"propose":[50],"likelihood":[52],"based":[53],"criteria":[55,70],"to":[56,63,76],"reduce":[57],"QPs":[61],"required":[62],"be":[64],"solved.":[65],"combine":[67],"with":[71],"node":[73],"selection":[74],"strategy":[75],"achieve":[77],"better":[79],"error":[80],"performance":[81],"than":[82],"BB":[85],"approach,":[86],"too":[88],"at":[89],"lower":[91],"computational":[92],"complexity.":[93],"Simulation":[94],"results":[95],"show":[96],"proposed":[99],"algorithm":[100],"outperforms":[101],"available":[103],"algorithms":[105],"MIMO":[108],"systems.":[109]},"counts_by_year":[{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}