{"id":"https://openalex.org/W2784214060","doi":"https://doi.org/10.1109/glocom.2017.8254789","title":"Backhaul-Constrained Joint Beamforming for Non-Orthogonal Multicast and Unicast Transmission","display_name":"Backhaul-Constrained Joint Beamforming for Non-Orthogonal Multicast and Unicast Transmission","publication_year":2017,"publication_date":"2017-12-01","ids":{"openalex":"https://openalex.org/W2784214060","doi":"https://doi.org/10.1109/glocom.2017.8254789","mag":"2784214060"},"language":"en","primary_location":{"id":"doi:10.1109/glocom.2017.8254789","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2017.8254789","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"GLOBECOM 2017 - 2017 IEEE Global Communications Conference","raw_type":"proceedings-article"},"type":"conference-paper","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/A5064849139","display_name":"Erkai Chen","orcid":"https://orcid.org/0000-0001-7409-6947"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Erkai Chen","raw_affiliation_strings":["Dept. of Electronic Engineering, Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Electronic Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5016127527","display_name":"Meixia Tao","orcid":"https://orcid.org/0000-0002-0799-0954"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Meixia Tao","raw_affiliation_strings":["Dept. of Electronic Engineering, Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Electronic Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I183067930"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"2","issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13905","display_name":"Telecommunications and Broadcasting Technologies","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"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/T13905","display_name":"Telecommunications and Broadcasting Technologies","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"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":0.9962999820709229,"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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9952999949455261,"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/multicast","display_name":"Multicast","score":0.7660510540008545},{"id":"https://openalex.org/keywords/unicast","display_name":"Unicast","score":0.7551490068435669},{"id":"https://openalex.org/keywords/backhaul","display_name":"Backhaul (telecommunications)","score":0.7545729875564575},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.6775619387626648},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5850450992584229},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.5810655951499939},{"id":"https://openalex.org/keywords/joint","display_name":"Joint (building)","score":0.5062941312789917},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.42305412888526917},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2911034822463989},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.23151853680610657},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.17393222451210022}],"concepts":[{"id":"https://openalex.org/C32295351","wikidata":"https://www.wikidata.org/wiki/Q899288","display_name":"Multicast","level":2,"score":0.7660510540008545},{"id":"https://openalex.org/C11704745","wikidata":"https://www.wikidata.org/wiki/Q918337","display_name":"Unicast","level":3,"score":0.7551490068435669},{"id":"https://openalex.org/C103760667","wikidata":"https://www.wikidata.org/wiki/Q798444","display_name":"Backhaul (telecommunications)","level":3,"score":0.7545729875564575},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.6775619387626648},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5850450992584229},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.5810655951499939},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.5062941312789917},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.42305412888526917},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2911034822463989},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.23151853680610657},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.17393222451210022},{"id":"https://openalex.org/C170154142","wikidata":"https://www.wikidata.org/wiki/Q150737","display_name":"Architectural engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/glocom.2017.8254789","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2017.8254789","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"GLOBECOM 2017 - 2017 IEEE Global Communications Conference","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.4399999976158142,"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W1550445194","https://openalex.org/W1991312775","https://openalex.org/W2004101329","https://openalex.org/W2029337585","https://openalex.org/W2117247553","https://openalex.org/W2133570990","https://openalex.org/W2137853299","https://openalex.org/W2182325102","https://openalex.org/W2188241090","https://openalex.org/W2213621529","https://openalex.org/W2585400480","https://openalex.org/W2597293148","https://openalex.org/W2762160885","https://openalex.org/W3099599063","https://openalex.org/W3103833233","https://openalex.org/W4250589301","https://openalex.org/W6680293426","https://openalex.org/W6686257370"],"related_works":["https://openalex.org/W2141226803","https://openalex.org/W1972955796","https://openalex.org/W2219910205","https://openalex.org/W2978800595","https://openalex.org/W1966768284","https://openalex.org/W1541857863","https://openalex.org/W207048982","https://openalex.org/W2026651734","https://openalex.org/W2385427787","https://openalex.org/W2028287290"],"abstract_inverted_index":{"The":[0,124],"demand":[1],"for":[2,49,56],"providing":[3],"multicast":[4,26,50,88,108],"services":[5,29],"in":[6],"emerging":[7],"cellular":[8,31],"networks":[9,32],"is":[10,47,55,126,155,178],"increasing.":[11],"This":[12],"paper":[13],"proposes":[14],"a":[15,39,86,127,148,193],"non-orthogonal":[16,189],"transmission":[17],"framework":[18],"based":[19],"on":[20,121],"layered-division":[21],"multiplexing":[22],"(LDM)":[23],"to":[24,102],"incorporate":[25],"and":[27,59,68,89,110,117,131,140],"unicast":[28,57,90,111],"into":[30,147],"with":[33,65,94,161],"limited-":[34],"capacity":[35],"backhaul.":[36],"We":[37],"adopt":[38],"two-layer":[40],"LDM":[41],"structure":[42],"where":[43],"the":[44,52,60,80,104,167,170,175,186],"first":[45],"layer":[46,54],"intended":[48],"services,":[51,58],"second":[53],"two":[61],"layers":[62],"are":[63],"superposed":[64],"different":[66],"beamformers":[67],"decoded":[69],"by":[70],"each":[71,122],"user":[72],"receiver":[73],"using":[74,157],"successive":[75],"interference":[76],"cancellation.":[77],"To":[78],"optimize":[79],"non-":[81],"orthogonal":[82,200],"transmission,":[83],"we":[84,144],"formulate":[85],"joint":[87],"beamforming":[91],"design":[92],"problem":[93,125,130],"adaptive":[95],"base":[96],"station":[97],"(BS)":[98],"clustering":[99],"that":[100,185],"aims":[101],"maximize":[103],"weighted":[105],"sum":[106],"of":[107,136,150,169],"rate":[109,112,197],"under":[113],"peak":[114,118],"power":[115],"constraints":[116,120],"backhaul":[119,176],"BS.":[123],"sparse":[128],"optimization":[129],"NP-":[132],"hard.":[133],"By":[134],"means":[135],"smoothed":[137],"l0-norm":[138],"approximation":[139],"novel":[141],"algebraic":[142],"operations,":[143],"transform":[145],"it":[146],"difference":[149],"convex":[151],"(DC)":[152],"programming,":[153],"which":[154],"solved":[156],"convex-concave":[158],"procedure":[159],"(CCP)":[160],"guaranteed":[162],"convergence.":[163],"Simulation":[164],"results":[165],"demonstrate":[166],"superiority":[168],"proposed":[171,187],"algorithm,":[172],"especially":[173],"when":[174],"constraint":[177],"not":[179],"too":[180],"stringent.":[181],"Results":[182],"also":[183],"show":[184],"LDM-based":[188],"scheme":[190],"can":[191],"achieve":[192],"much":[194],"larger":[195],"multicast-unicast":[196],"region":[198],"than":[199],"schemes.":[201]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}