{"id":"https://openalex.org/W2982218801","doi":"https://doi.org/10.1109/iswcs.2019.8877286","title":"M-QAM Modulation Symbol-Level Precoding for Power Minimization: Closed-Form Solution","display_name":"M-QAM Modulation Symbol-Level Precoding for Power Minimization: Closed-Form Solution","publication_year":2019,"publication_date":"2019-08-01","ids":{"openalex":"https://openalex.org/W2982218801","doi":"https://doi.org/10.1109/iswcs.2019.8877286","mag":"2982218801"},"language":"en","primary_location":{"id":"doi:10.1109/iswcs.2019.8877286","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iswcs.2019.8877286","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 16th International Symposium on Wireless Communication Systems (ISWCS)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://orbilu.uni.lu/handle/10993/40633","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5016074437","display_name":"Jevgenij Krivochiza","orcid":"https://orcid.org/0000-0003-4695-3627"},"institutions":[{"id":"https://openalex.org/I186903577","display_name":"University of Luxembourg","ror":"https://ror.org/036x5ad56","country_code":"LU","type":"education","lineage":["https://openalex.org/I186903577"]}],"countries":["LU"],"is_corresponding":true,"raw_author_name":"Jevgenij Krivochiza","raw_affiliation_strings":["SnT - securityandtrust.lu, University of Luxembourg, Luxembourg"],"affiliations":[{"raw_affiliation_string":"SnT - securityandtrust.lu, University of Luxembourg, Luxembourg","institution_ids":["https://openalex.org/I186903577"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068424260","display_name":"Juan Carlos Merlano Dunc\u00e1n","orcid":"https://orcid.org/0000-0002-9652-679X"},"institutions":[{"id":"https://openalex.org/I186903577","display_name":"University of Luxembourg","ror":"https://ror.org/036x5ad56","country_code":"LU","type":"education","lineage":["https://openalex.org/I186903577"]}],"countries":["LU"],"is_corresponding":false,"raw_author_name":"J. C. Merlano-Duncan","raw_affiliation_strings":["SnT - securityandtrust.lu, University of Luxembourg, Luxembourg"],"affiliations":[{"raw_affiliation_string":"SnT - securityandtrust.lu, University of Luxembourg, Luxembourg","institution_ids":["https://openalex.org/I186903577"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016154330","display_name":"Symeon Chatzinotas","orcid":"https://orcid.org/0000-0001-5122-0001"},"institutions":[{"id":"https://openalex.org/I186903577","display_name":"University of Luxembourg","ror":"https://ror.org/036x5ad56","country_code":"LU","type":"education","lineage":["https://openalex.org/I186903577"]}],"countries":["LU"],"is_corresponding":false,"raw_author_name":"Symeon Chatzinotas","raw_affiliation_strings":["SnT - securityandtrust.lu, University of Luxembourg, Luxembourg"],"affiliations":[{"raw_affiliation_string":"SnT - securityandtrust.lu, University of Luxembourg, Luxembourg","institution_ids":["https://openalex.org/I186903577"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5080037825","display_name":"Bj\u00f6rn Ottersten","orcid":"https://orcid.org/0000-0003-2298-6774"},"institutions":[{"id":"https://openalex.org/I186903577","display_name":"University of Luxembourg","ror":"https://ror.org/036x5ad56","country_code":"LU","type":"education","lineage":["https://openalex.org/I186903577"]}],"countries":["LU"],"is_corresponding":false,"raw_author_name":"Bjorn Ottersten","raw_affiliation_strings":["SnT - securityandtrust.lu, University of Luxembourg, Luxembourg"],"affiliations":[{"raw_affiliation_string":"SnT - securityandtrust.lu, University of Luxembourg, Luxembourg","institution_ids":["https://openalex.org/I186903577"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5016074437"],"corresponding_institution_ids":["https://openalex.org/I186903577"],"apc_list":null,"apc_paid":null,"fwci":0.484,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.66460244,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"395","last_page":"399"},"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/T10148","display_name":"Advanced MIMO Systems Optimization","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":0.9995999932289124,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.7811345458030701},{"id":"https://openalex.org/keywords/quadrature-amplitude-modulation","display_name":"Quadrature amplitude modulation","score":0.7011202573776245},{"id":"https://openalex.org/keywords/qam","display_name":"QAM","score":0.6965371966362},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.5807851552963257},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5461909770965576},{"id":"https://openalex.org/keywords/convex-optimization","display_name":"Convex optimization","score":0.530876874923706},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.5256580114364624},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.4926918148994446},{"id":"https://openalex.org/keywords/transmitter-power-output","display_name":"Transmitter power output","score":0.4819309711456299},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.4738086760044098},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.4733721613883972},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.4481727182865143},{"id":"https://openalex.org/keywords/modulation","display_name":"Modulation (music)","score":0.4425108730792999},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.44201216101646423},{"id":"https://openalex.org/keywords/constructive","display_name":"Constructive","score":0.44137272238731384},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3856383264064789},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.37504392862319946},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.33329489827156067},{"id":"https://openalex.org/keywords/regular-polygon","display_name":"Regular polygon","score":0.21559077501296997},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2142881453037262},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.17643988132476807},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.1515912413597107},{"id":"https://openalex.org/keywords/bit-error-rate","display_name":"Bit error rate","score":0.10736727714538574}],"concepts":[{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.7811345458030701},{"id":"https://openalex.org/C32409245","wikidata":"https://www.wikidata.org/wiki/Q749753","display_name":"Quadrature amplitude modulation","level":4,"score":0.7011202573776245},{"id":"https://openalex.org/C59030546","wikidata":"https://www.wikidata.org/wiki/Q7265371","display_name":"QAM","level":5,"score":0.6965371966362},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.5807851552963257},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5461909770965576},{"id":"https://openalex.org/C157972887","wikidata":"https://www.wikidata.org/wiki/Q463359","display_name":"Convex optimization","level":3,"score":0.530876874923706},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.5256580114364624},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.4926918148994446},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.4819309711456299},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.4738086760044098},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.4733721613883972},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.4481727182865143},{"id":"https://openalex.org/C123079801","wikidata":"https://www.wikidata.org/wiki/Q750240","display_name":"Modulation (music)","level":2,"score":0.4425108730792999},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.44201216101646423},{"id":"https://openalex.org/C2778701210","wikidata":"https://www.wikidata.org/wiki/Q28130034","display_name":"Constructive","level":3,"score":0.44137272238731384},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3856383264064789},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.37504392862319946},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.33329489827156067},{"id":"https://openalex.org/C112680207","wikidata":"https://www.wikidata.org/wiki/Q714886","display_name":"Regular polygon","level":2,"score":0.21559077501296997},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2142881453037262},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.17643988132476807},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.1515912413597107},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.10736727714538574},{"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/C107038049","wikidata":"https://www.wikidata.org/wiki/Q35986","display_name":"Aesthetics","level":1,"score":0.0},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"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/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/iswcs.2019.8877286","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iswcs.2019.8877286","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 16th International Symposium on Wireless Communication Systems (ISWCS)","raw_type":"proceedings-article"},{"id":"pmh:oai:orbilu.uni.lu:10993/40633","is_oa":true,"landing_page_url":"http://orbilu.uni.lu/handle/10993/40633","pdf_url":null,"source":{"id":"https://openalex.org/S4306401815","display_name":"Open Repository and Bibliography (University of Luxembourg)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I186903577","host_organization_name":"University of Luxembourg","host_organization_lineage":["https://openalex.org/I186903577"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-sa","license_id":"https://openalex.org/licenses/cc-by-nc-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"16th International Symposium on Wireless Communication Systems ISWCS2019, from 27-08-2019 to 30-08-2019","raw_type":"info:eu-repo/semantics/conferencePaper"}],"best_oa_location":{"id":"pmh:oai:orbilu.uni.lu:10993/40633","is_oa":true,"landing_page_url":"http://orbilu.uni.lu/handle/10993/40633","pdf_url":null,"source":{"id":"https://openalex.org/S4306401815","display_name":"Open Repository and Bibliography (University of Luxembourg)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I186903577","host_organization_name":"University of Luxembourg","host_organization_lineage":["https://openalex.org/I186903577"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-sa","license_id":"https://openalex.org/licenses/cc-by-nc-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"16th International Symposium on Wireless Communication Systems ISWCS2019, from 27-08-2019 to 30-08-2019","raw_type":"info:eu-repo/semantics/conferencePaper"},"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.8199999928474426}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W2018295654","https://openalex.org/W2075665712","https://openalex.org/W2097578209","https://openalex.org/W2098098075","https://openalex.org/W2113642685","https://openalex.org/W2118699525","https://openalex.org/W2320472932","https://openalex.org/W2605577582","https://openalex.org/W2789481026","https://openalex.org/W2803170239","https://openalex.org/W2806517281","https://openalex.org/W2884452953","https://openalex.org/W2890462754","https://openalex.org/W2895793990","https://openalex.org/W2904556689","https://openalex.org/W2907286363","https://openalex.org/W2914750214","https://openalex.org/W4237234927"],"related_works":["https://openalex.org/W2167568384","https://openalex.org/W2116541631","https://openalex.org/W2514205366","https://openalex.org/W3173074004","https://openalex.org/W4390873927","https://openalex.org/W1976511355","https://openalex.org/W2159438609","https://openalex.org/W2900995485","https://openalex.org/W2147334234","https://openalex.org/W3196902411"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3],"derive":[4,99],"a":[5,39,90,100,104],"closed-form":[6,101],"algorithm":[7,102],"of":[8,48,62,85,107],"the":[9,59,66,75,86,111],"computationally":[10],"efficient":[11,17],"Symbol-Level":[12],"Precoding":[13],"(SLP)":[14],"for":[15,71,95],"power":[16,35,61],"communications":[18],"when":[19],"using":[20],"M-QAM":[21,96],"modulated":[22],"waveforms.":[23],"The":[24,51,78],"channel":[25],"state":[26],"information":[27],"(CSI)":[28],"based":[29],"and":[30,98],"data-aided":[31],"SLP":[32,79],"technique":[33],"optimizes":[34],"efficiency":[36],"by":[37],"solving":[38],"non-negative":[40],"convex":[41,91],"quadratic":[42,92],"optimization":[43,52,93],"problem":[44,94],"per":[45],"time":[46],"frame":[47],"transmitted":[49],"symbols.":[50],"combines":[53],"constructive":[54],"inter-user":[55],"interference":[56],"to":[57,109],"minimize":[58],"sum":[60],"precoded":[63],"symbols":[64],"at":[65,74],"transmitter":[67],"side":[68],"under":[69],"constraints":[70],"minimum":[72],"SNR":[73],"receiver":[76],"side.":[77],"implementation":[80],"incurs":[81],"extra":[82],"computational":[83],"complexity":[84],"transmitter.":[87],"We":[88],"propose":[89],"constellations":[97],"with":[103],"fixed":[105],"number":[106],"iterations":[108],"solve":[110],"problem.":[112]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":3}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}