{"id":"https://openalex.org/W3082876858","doi":"https://doi.org/10.1109/jsac.2020.3020110","title":"Energy-Efficient Non-Orthogonal Multicast and Unicast Transmission of Cell-Free Massive MIMO Systems With SWIPT","display_name":"Energy-Efficient Non-Orthogonal Multicast and Unicast Transmission of Cell-Free Massive MIMO Systems With SWIPT","publication_year":2020,"publication_date":"2020-09-02","ids":{"openalex":"https://openalex.org/W3082876858","doi":"https://doi.org/10.1109/jsac.2020.3020110","mag":"3082876858"},"language":"en","primary_location":{"id":"doi:10.1109/jsac.2020.3020110","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsac.2020.3020110","pdf_url":null,"source":{"id":"https://openalex.org/S90422530","display_name":"IEEE Journal on Selected Areas in Communications","issn_l":"0733-8716","issn":["0733-8716","1558-0008"],"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 Journal on Selected Areas in Communications","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/A5035047319","display_name":"Fangqing Tan","orcid":"https://orcid.org/0000-0002-1084-3699"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]},{"id":"https://openalex.org/I5343935","display_name":"Guilin University of Electronic Technology","ror":"https://ror.org/05arjae42","country_code":"CN","type":"education","lineage":["https://openalex.org/I5343935"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fangqing Tan","raw_affiliation_strings":["Key Laboratory of Cognitive Radio and Information Processing, Guilin University of Electronic Technology, Guilin, China","School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou, China"],"raw_orcid":"https://orcid.org/0000-0002-1084-3699","affiliations":[{"raw_affiliation_string":"Key Laboratory of Cognitive Radio and Information Processing, Guilin University of Electronic Technology, Guilin, China","institution_ids":["https://openalex.org/I5343935"]},{"raw_affiliation_string":"School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou, China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033422280","display_name":"Peiran Wu","orcid":"https://orcid.org/0000-0001-9747-3629"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]},{"id":"https://openalex.org/I4210106122","display_name":"Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou)","ror":"https://ror.org/00y7mag53","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210106122"]},{"id":"https://openalex.org/I4391012567","display_name":"Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai)","ror":"https://ror.org/03swgqh13","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4391012567"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Peiran Wu","raw_affiliation_strings":["School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou, China","Southern Marine Science and Engineering Guangdong Laboratory, Zhuhai, China"],"raw_orcid":"https://orcid.org/0000-0001-9747-3629","affiliations":[{"raw_affiliation_string":"School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou, China","institution_ids":["https://openalex.org/I157773358"]},{"raw_affiliation_string":"Southern Marine Science and Engineering Guangdong Laboratory, Zhuhai, China","institution_ids":["https://openalex.org/I4210106122","https://openalex.org/I4391012567"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085964667","display_name":"Yik\u2010Chung Wu","orcid":"https://orcid.org/0000-0002-2738-0387"},"institutions":[{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Yik-Chung Wu","raw_affiliation_strings":["The University of Hong Kong, Hong Kong"],"raw_orcid":"https://orcid.org/0000-0002-2738-0387","affiliations":[{"raw_affiliation_string":"The University of Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I889458895"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5052938144","display_name":"Minghua Xia","orcid":"https://orcid.org/0000-0002-0820-2227"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]},{"id":"https://openalex.org/I4210106122","display_name":"Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou)","ror":"https://ror.org/00y7mag53","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210106122"]},{"id":"https://openalex.org/I4391012567","display_name":"Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai)","ror":"https://ror.org/03swgqh13","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4391012567"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Minghua Xia","raw_affiliation_strings":["School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou, China","Southern Marine Science and Engineering Guangdong Laboratory, Zhuhai, China"],"raw_orcid":"https://orcid.org/0000-0002-0820-2227","affiliations":[{"raw_affiliation_string":"School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou, China","institution_ids":["https://openalex.org/I157773358"]},{"raw_affiliation_string":"Southern Marine Science and Engineering Guangdong Laboratory, Zhuhai, China","institution_ids":["https://openalex.org/I4210106122","https://openalex.org/I4391012567"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.9545,"has_fulltext":false,"cited_by_count":60,"citation_normalized_percentile":{"value":0.94424078,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":95,"max":100},"biblio":{"volume":"39","issue":"4","first_page":"949","last_page":"968"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","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/T10148","display_name":"Advanced MIMO Systems Optimization","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/T11392","display_name":"Energy Harvesting in Wireless Networks","score":0.9995999932289124,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9987999796867371,"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/unicast","display_name":"Unicast","score":0.8552207946777344},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8383610844612122},{"id":"https://openalex.org/keywords/multicast","display_name":"Multicast","score":0.7182891964912415},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6595507860183716},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.5266903638839722},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.5184966325759888},{"id":"https://openalex.org/keywords/maximization","display_name":"Maximization","score":0.5127192735671997},{"id":"https://openalex.org/keywords/efficient-energy-use","display_name":"Efficient energy use","score":0.4296181797981262},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.41695499420166016},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3857691287994385},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3852100372314453},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.3590313792228699},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.22001513838768005},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1678224802017212},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.09324926137924194},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.08260276913642883}],"concepts":[{"id":"https://openalex.org/C11704745","wikidata":"https://www.wikidata.org/wiki/Q918337","display_name":"Unicast","level":3,"score":0.8552207946777344},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8383610844612122},{"id":"https://openalex.org/C32295351","wikidata":"https://www.wikidata.org/wiki/Q899288","display_name":"Multicast","level":2,"score":0.7182891964912415},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6595507860183716},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.5266903638839722},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.5184966325759888},{"id":"https://openalex.org/C2776330181","wikidata":"https://www.wikidata.org/wiki/Q18358244","display_name":"Maximization","level":2,"score":0.5127192735671997},{"id":"https://openalex.org/C2742236","wikidata":"https://www.wikidata.org/wiki/Q924713","display_name":"Efficient energy use","level":2,"score":0.4296181797981262},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.41695499420166016},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3857691287994385},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3852100372314453},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.3590313792228699},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.22001513838768005},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1678224802017212},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.09324926137924194},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.08260276913642883},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jsac.2020.3020110","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsac.2020.3020110","pdf_url":null,"source":{"id":"https://openalex.org/S90422530","display_name":"IEEE Journal on Selected Areas in Communications","issn_l":"0733-8716","issn":["0733-8716","1558-0008"],"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 Journal on Selected Areas in Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","score":0.4699999988079071,"id":"https://metadata.un.org/sdg/7"}],"awards":[{"id":"https://openalex.org/G1063615142","display_name":null,"funder_award_id":"191gjc04","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G6836531188","display_name":null,"funder_award_id":"61801526","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7556521310","display_name":"\u65e0\u7ebf\u6570\u636e\u4e0e\u80fd\u91cf\u540c\u65f6\u4f20\u8f93\u7f51\u7edc\u7684\u82e5\u5e72\u5173\u952e\u6280\u672f\u7814\u7a76","funder_award_id":"61671488","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8050518262","display_name":null,"funder_award_id":"AD18281052","funder_id":"https://openalex.org/F4320322768","funder_display_name":"Natural Science Foundation of Guangxi Province"},{"id":"https://openalex.org/G8324781845","display_name":null,"funder_award_id":"2018GXNSFBA138034","funder_id":"https://openalex.org/F4320322768","funder_display_name":"Natural Science Foundation of Guangxi Province"},{"id":"https://openalex.org/G8352084589","display_name":null,"funder_award_id":"2019M653177","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321543","display_name":"China Postdoctoral Science Foundation","ror":"https://ror.org/0426zh255"},{"id":"https://openalex.org/F4320322768","display_name":"Natural Science Foundation of Guangxi Province","ror":null},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":45,"referenced_works":["https://openalex.org/W1518945650","https://openalex.org/W1874281995","https://openalex.org/W1965392255","https://openalex.org/W1967956032","https://openalex.org/W1990961611","https://openalex.org/W1991264581","https://openalex.org/W2032372805","https://openalex.org/W2045461732","https://openalex.org/W2066348441","https://openalex.org/W2100556411","https://openalex.org/W2112170521","https://openalex.org/W2121315337","https://openalex.org/W2211148590","https://openalex.org/W2271221198","https://openalex.org/W2286275639","https://openalex.org/W2294088060","https://openalex.org/W2294228416","https://openalex.org/W2344765023","https://openalex.org/W2587494249","https://openalex.org/W2593893328","https://openalex.org/W2623150508","https://openalex.org/W2735013959","https://openalex.org/W2744139284","https://openalex.org/W2763081248","https://openalex.org/W2781564157","https://openalex.org/W2789921623","https://openalex.org/W2801334067","https://openalex.org/W2886786255","https://openalex.org/W2895677730","https://openalex.org/W2900254598","https://openalex.org/W2916377919","https://openalex.org/W2949177141","https://openalex.org/W2960874438","https://openalex.org/W2963718307","https://openalex.org/W2964108473","https://openalex.org/W2972542837","https://openalex.org/W2974018241","https://openalex.org/W2989312698","https://openalex.org/W2991027732","https://openalex.org/W3099820194","https://openalex.org/W3100992968","https://openalex.org/W3102449502","https://openalex.org/W4250589301","https://openalex.org/W4293229790","https://openalex.org/W4361867455"],"related_works":["https://openalex.org/W2141226803","https://openalex.org/W1972955796","https://openalex.org/W1541857863","https://openalex.org/W2219910205","https://openalex.org/W2978800595","https://openalex.org/W1966768284","https://openalex.org/W207048982","https://openalex.org/W2026651734","https://openalex.org/W2385427787","https://openalex.org/W2070403242"],"abstract_inverted_index":{"This":[0],"work":[1],"investigates":[2],"the":[3,39,56,67,96,112,124,131,138,156,159],"energy-efficient":[4],"resource":[5],"allocation":[6],"for":[7,43,76,162],"layered-division":[8],"multiplexing":[9],"(LDM)":[10],"based":[11],"non-orthogonal":[12],"multicast":[13,44],"and":[14,32,45,72,111],"unicast":[15,46],"transmission":[16],"in":[17,50,165],"cell-free":[18,166],"massive":[19,97,163,167],"multiple-input":[20],"multiple-output":[21],"(MIMO)":[22],"systems,":[23],"where":[24],"each":[25,63],"user":[26],"equipment":[27],"(UE)":[28],"performs":[29],"wireless":[30],"information":[31],"power":[33,61],"transfer":[34],"simultaneously.":[35],"To":[36,94],"begin":[37],"with,":[38],"achievable":[40],"data":[41],"rates":[42],"services":[47],"are":[48],"derived":[49],"closed":[51],"form,":[52],"as":[53,55,141],"well":[54],"received":[57],"radio":[58],"frequency":[59],"(RF)":[60],"at":[62],"UE.":[64],"Based":[65],"on":[66],"analytical":[68],"results,":[69],"a":[70,86,100],"nonsmooth":[71],"nonconvex":[73],"optimization":[74],"problem":[75,90],"energy":[77],"efficiency":[78],"(EE)":[79],"maximization":[80],"is":[81,84,103,120],"formulated,":[82],"which":[83,152],"however":[85],"challenging":[87],"fractional":[88],"programming":[89],"with":[91,147],"complex":[92],"constraints.":[93],"suit":[95],"access":[98,164],"setting,":[99],"first-order":[101,133],"algorithm":[102,119],"developed":[104],"to":[105,122],"find":[106],"both":[107],"initial":[108],"feasible":[109],"point":[110],"nearly":[113],"optimal":[114],"solution.":[115],"Moreover,":[116],"an":[117],"accelerated":[118],"designed":[121],"improve":[123],"convergence":[125],"speed.":[126],"Numerical":[127],"results":[128],"demonstrate":[129],"that":[130,142],"proposed":[132,160],"algorithms":[134,161],"can":[135],"achieve":[136],"almost":[137],"same":[139],"EE":[140],"of":[143,158],"second-order":[144],"approaches":[145],"yet":[146],"much":[148],"lower":[149],"computational":[150],"complexity,":[151],"provides":[153],"insight":[154],"into":[155],"superiority":[157],"MIMO":[168],"systems.":[169]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":15},{"year":2023,"cited_by_count":13},{"year":2022,"cited_by_count":15},{"year":2021,"cited_by_count":10}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
