{"id":"https://openalex.org/W2128484867","doi":"https://doi.org/10.1109/lsp.2008.2012219","title":"Sphere Packing Modulation in the SDMA Uplink Using $K$-Best Sphere Detection","display_name":"Sphere Packing Modulation in the SDMA Uplink Using $K$-Best Sphere Detection","publication_year":2009,"publication_date":"2009-02-26","ids":{"openalex":"https://openalex.org/W2128484867","doi":"https://doi.org/10.1109/lsp.2008.2012219","mag":"2128484867"},"language":"en","primary_location":{"id":"doi:10.1109/lsp.2008.2012219","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lsp.2008.2012219","pdf_url":null,"source":{"id":"https://openalex.org/S120629676","display_name":"IEEE Signal Processing Letters","issn_l":"1070-9908","issn":["1070-9908","1558-2361"],"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 Signal Processing 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/A5100335940","display_name":"Li Wang","orcid":"https://orcid.org/0000-0002-0973-1614"},"institutions":[{"id":"https://openalex.org/I43439940","display_name":"University of Southampton","ror":"https://ror.org/01ryk1543","country_code":"GB","type":"education","lineage":["https://openalex.org/I43439940"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Li Wang","raw_affiliation_strings":["School of Electronics and Computer Science, University of Southampton, Southampton, UK","[Sch. of Electron. & Comput. Sci., Univ. of Southampton, Southampton]"],"affiliations":[{"raw_affiliation_string":"School of Electronics and Computer Science, University of Southampton, Southampton, UK","institution_ids":["https://openalex.org/I43439940"]},{"raw_affiliation_string":"[Sch. of Electron. & Comput. Sci., Univ. of Southampton, Southampton]","institution_ids":["https://openalex.org/I43439940"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111879010","display_name":"Osamah Alamri","orcid":null},"institutions":[{"id":"https://openalex.org/I43439940","display_name":"University of Southampton","ror":"https://ror.org/01ryk1543","country_code":"GB","type":"education","lineage":["https://openalex.org/I43439940"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Osamah Alamri","raw_affiliation_strings":["School of Electronics and Computer Science, University of Southampton, Southampton, UK","[Sch. of Electron. & Comput. Sci., Univ. of Southampton, Southampton]"],"affiliations":[{"raw_affiliation_string":"School of Electronics and Computer Science, University of Southampton, Southampton, UK","institution_ids":["https://openalex.org/I43439940"]},{"raw_affiliation_string":"[Sch. of Electron. & Comput. Sci., Univ. of Southampton, Southampton]","institution_ids":["https://openalex.org/I43439940"]}]},{"author_position":"last","author":{"id":null,"display_name":"Lajos Hanzo","orcid":null},"institutions":[{"id":"https://openalex.org/I43439940","display_name":"University of Southampton","ror":"https://ror.org/01ryk1543","country_code":"GB","type":"education","lineage":["https://openalex.org/I43439940"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Lajos Hanzo","raw_affiliation_strings":["School of Electronics and Computer Science, University of Southampton, Southampton, UK","[Sch. of Electron. & Comput. Sci., Univ. of Southampton, Southampton]"],"affiliations":[{"raw_affiliation_string":"School of Electronics and Computer Science, University of Southampton, Southampton, UK","institution_ids":["https://openalex.org/I43439940"]},{"raw_affiliation_string":"[Sch. of Electron. & Comput. Sci., Univ. of Southampton, Southampton]","institution_ids":["https://openalex.org/I43439940"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5100335940"],"corresponding_institution_ids":["https://openalex.org/I43439940"],"apc_list":null,"apc_paid":null,"fwci":1.2193,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.81557007,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"16","issue":"4","first_page":"291","last_page":"294"},"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":0.9995999932289124,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9958999752998352,"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/mimo","display_name":"MIMO","score":0.8329763412475586},{"id":"https://openalex.org/keywords/space\u2013time-block-code","display_name":"Space\u2013time block code","score":0.8040368556976318},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.558673620223999},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.554050862789154},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.48181405663490295},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.46776244044303894},{"id":"https://openalex.org/keywords/block-code","display_name":"Block code","score":0.4344671666622162},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.39919987320899963},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.37007108330726624},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.35218220949172974},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.32269251346588135},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.32024824619293213},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.22924169898033142},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.22561100125312805},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.16103491187095642},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.14844894409179688}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.8329763412475586},{"id":"https://openalex.org/C83487572","wikidata":"https://www.wikidata.org/wiki/Q371792","display_name":"Space\u2013time block code","level":4,"score":0.8040368556976318},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.558673620223999},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.554050862789154},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.48181405663490295},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.46776244044303894},{"id":"https://openalex.org/C157125643","wikidata":"https://www.wikidata.org/wiki/Q884707","display_name":"Block code","level":3,"score":0.4344671666622162},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.39919987320899963},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.37007108330726624},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.35218220949172974},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.32269251346588135},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.32024824619293213},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.22924169898033142},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.22561100125312805},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.16103491187095642},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.14844894409179688},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0},{"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}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/lsp.2008.2012219","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lsp.2008.2012219","pdf_url":null,"source":{"id":"https://openalex.org/S120629676","display_name":"IEEE Signal Processing Letters","issn_l":"1070-9908","issn":["1070-9908","1558-2361"],"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 Signal Processing Letters","raw_type":"journal-article"},{"id":"pmh:oai:eprints.soton.ac.uk:267229","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4306401019","display_name":"ePrints Soton (University of Southampton)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I43439940","host_organization_name":"University of Southampton","host_organization_lineage":["https://openalex.org/I43439940"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"","raw_type":"Article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Industry, innovation and infrastructure","score":0.4099999964237213,"id":"https://metadata.un.org/sdg/9"}],"awards":[{"id":"https://openalex.org/G7577831327","display_name":null,"funder_award_id":"EP/G05178X/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"}],"funders":[{"id":"https://openalex.org/F4320334627","display_name":"Engineering and Physical Sciences Research Council","ror":"https://ror.org/0439y7842"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1514652980","https://openalex.org/W1577726620","https://openalex.org/W1672620990","https://openalex.org/W1848484919","https://openalex.org/W1995990042","https://openalex.org/W2101394529","https://openalex.org/W2107080958","https://openalex.org/W2110659753","https://openalex.org/W2112772743","https://openalex.org/W2116631972","https://openalex.org/W2160897074","https://openalex.org/W2172121953","https://openalex.org/W2485002209","https://openalex.org/W4292408570"],"related_works":["https://openalex.org/W2100169124","https://openalex.org/W2384588106","https://openalex.org/W2160133013","https://openalex.org/W2140168737","https://openalex.org/W2363263113","https://openalex.org/W1556745361","https://openalex.org/W2085933817","https://openalex.org/W2120275292","https://openalex.org/W2117070194","https://openalex.org/W2102400249"],"abstract_inverted_index":{"Recently,":[0],"the":[1,26,43,49,68,79,82,86,99,113,121],"turbo-detected":[2],"sphere":[3,73],"packing":[4],"(SP)":[5],"aided":[6],"space-time":[7],"block-coding":[8],"(STBC)":[9],"STBC-SP":[10],"scheme":[11,76],"was":[12],"demonstrated":[13],"to":[14,42,93],"provide":[15],"useful":[16],"performance":[17,59,107],"improvements":[18],"over":[19,116],"conventionally-modulated":[20,118],"orthogonal":[21],"design-based":[22],"STBC":[23],"schemes":[24],"in":[25,35,120],"context":[27,122],"of":[28,51,81,101,123],"single-user":[29],"multiple-input":[30],"multiple-output":[31],"(SU-MIMO)":[32],"systems.":[33,125],"Hence,":[34],"this":[36],"letter,":[37],"we":[38,65],"extend":[39],"its":[40,117],"employment":[41],"multiuser":[44],"MIMO":[45],"(MU-MIMO)":[46],"scenario.":[47],"For":[48],"sake":[50],"achieving":[52],"a":[53,56,62,95,105],"near":[54],"maximum":[55],"posteriori":[57],"(MAP)":[58],"while":[60],"imposing":[61],"moderate":[63],"complexity,":[64],"specifically":[66],"design":[67],"<i":[69],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[70],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">K</i>":[71],"-best":[72],"detection":[74],"(SD)":[75],"for":[77],"supporting":[78],"operation":[80],"SP-modulated":[83,114],"system,":[84],"since":[85],"conventional":[87],"SD":[88],"cannot":[89],"be":[90,110],"directly":[91],"applied":[92],"such":[94],"system.":[96],"Consequently,":[97],"with":[98],"aid":[100],"our":[102],"modified":[103],"SD,":[104],"significant":[106],"gain":[108],"can":[109],"achieved":[111],"by":[112],"system":[115],"counterpart":[119],"MU-MIMO":[124]},"counts_by_year":[],"updated_date":"2026-04-16T08:26:57.006410","created_date":"2025-10-10T00:00:00"}
