{"id":"https://openalex.org/W2916793087","doi":"https://doi.org/10.1109/glocom.2018.8647465","title":"Spatially Sparse Code Multiplexing for the Massive MIMO Networks","display_name":"Spatially Sparse Code Multiplexing for the Massive MIMO Networks","publication_year":2018,"publication_date":"2018-12-01","ids":{"openalex":"https://openalex.org/W2916793087","doi":"https://doi.org/10.1109/glocom.2018.8647465","mag":"2916793087"},"language":"en","primary_location":{"id":"doi:10.1109/glocom.2018.8647465","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2018.8647465","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 IEEE Global Communications Conference (GLOBECOM)","raw_type":"proceedings-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/A5100415446","display_name":"Weidong Shao","orcid":"https://orcid.org/0000-0002-9834-3663"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Weidong Shao","raw_affiliation_strings":["State Key Laboratory of Integrated Service Networks, Xidian University, Xi'an, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Integrated Service Networks, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101557082","display_name":"Shun Zhang","orcid":"https://orcid.org/0000-0002-1641-0771"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shun Zhang","raw_affiliation_strings":["State Key Laboratory of Integrated Service Networks, Xidian University, Xi'an, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Integrated Service Networks, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100455600","display_name":"Hongyan Li","orcid":"https://orcid.org/0000-0003-1464-5128"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hongyan Li","raw_affiliation_strings":["State Key Laboratory of Integrated Service Networks, Xidian University, Xi'an, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Integrated Service Networks, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081898263","display_name":"Jianpeng Ma","orcid":"https://orcid.org/0000-0002-4452-8881"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jianpeng Ma","raw_affiliation_strings":["State Key Laboratory of Integrated Service Networks, Xidian University, Xi'an, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Integrated Service Networks, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008495824","display_name":"Guangzhe Zhao","orcid":"https://orcid.org/0000-0002-6850-9335"},"institutions":[{"id":"https://openalex.org/I62853816","display_name":"Beijing University of Civil Engineering and Architecture","ror":"https://ror.org/02yj0p855","country_code":"CN","type":"education","lineage":["https://openalex.org/I62853816"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guangzhe Zhao","raw_affiliation_strings":["College of Electrical and Information Engineering, Beijing University of Civil Engineering and Architecture, Beijing, China"],"affiliations":[{"raw_affiliation_string":"College of Electrical and Information Engineering, Beijing University of Civil Engineering and Architecture, Beijing, China","institution_ids":["https://openalex.org/I62853816"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5102810883","display_name":"Xiushe Zhang","orcid":"https://orcid.org/0000-0001-5159-0184"},"institutions":[{"id":"https://openalex.org/I62853816","display_name":"Beijing University of Civil Engineering and Architecture","ror":"https://ror.org/02yj0p855","country_code":"CN","type":"education","lineage":["https://openalex.org/I62853816"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiushe Zhang","raw_affiliation_strings":["Research Institute of Navigation Technology, Beijing University of Civil Engineering and Architecture, Xi'an, China"],"affiliations":[{"raw_affiliation_string":"Research Institute of Navigation Technology, Beijing University of Civil Engineering and Architecture, Xi'an, China","institution_ids":["https://openalex.org/I62853816"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5100415446"],"corresponding_institution_ids":["https://openalex.org/I149594827"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.17282597,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9998000264167786,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9998000264167786,"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":0.7307952642440796},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7152827978134155},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.6561908721923828},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.6016488671302795},{"id":"https://openalex.org/keywords/convex-optimization","display_name":"Convex optimization","score":0.5585837960243225},{"id":"https://openalex.org/keywords/spatial-multiplexing","display_name":"Spatial multiplexing","score":0.5500185489654541},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.5391457676887512},{"id":"https://openalex.org/keywords/domain","display_name":"Domain (mathematical analysis)","score":0.4875926375389099},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.47651779651641846},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4637181758880615},{"id":"https://openalex.org/keywords/code","display_name":"Code (set theory)","score":0.422545850276947},{"id":"https://openalex.org/keywords/matrix","display_name":"Matrix (chemical analysis)","score":0.4162783920764923},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.41418367624282837},{"id":"https://openalex.org/keywords/regular-polygon","display_name":"Regular polygon","score":0.4015175402164459},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.39380931854248047},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2054920494556427},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.17102563381195068},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1570945382118225}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7307952642440796},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7152827978134155},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.6561908721923828},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.6016488671302795},{"id":"https://openalex.org/C157972887","wikidata":"https://www.wikidata.org/wiki/Q463359","display_name":"Convex optimization","level":3,"score":0.5585837960243225},{"id":"https://openalex.org/C85884896","wikidata":"https://www.wikidata.org/wiki/Q7574075","display_name":"Spatial multiplexing","level":4,"score":0.5500185489654541},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.5391457676887512},{"id":"https://openalex.org/C36503486","wikidata":"https://www.wikidata.org/wiki/Q11235244","display_name":"Domain (mathematical analysis)","level":2,"score":0.4875926375389099},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.47651779651641846},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4637181758880615},{"id":"https://openalex.org/C2776760102","wikidata":"https://www.wikidata.org/wiki/Q5139990","display_name":"Code (set theory)","level":3,"score":0.422545850276947},{"id":"https://openalex.org/C106487976","wikidata":"https://www.wikidata.org/wiki/Q685816","display_name":"Matrix (chemical analysis)","level":2,"score":0.4162783920764923},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.41418367624282837},{"id":"https://openalex.org/C112680207","wikidata":"https://www.wikidata.org/wiki/Q714886","display_name":"Regular polygon","level":2,"score":0.4015175402164459},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.39380931854248047},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2054920494556427},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.17102563381195068},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1570945382118225},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","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},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"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/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/glocom.2018.8647465","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2018.8647465","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 IEEE Global Communications Conference (GLOBECOM)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16","score":0.8100000023841858}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W1902678874","https://openalex.org/W2015301486","https://openalex.org/W2042519026","https://openalex.org/W2088717366","https://openalex.org/W2103972037","https://openalex.org/W2137813581","https://openalex.org/W2188942936","https://openalex.org/W2398409936","https://openalex.org/W2483486758","https://openalex.org/W2490222774","https://openalex.org/W2559142203","https://openalex.org/W2582328874","https://openalex.org/W2600018617","https://openalex.org/W2739324738","https://openalex.org/W2963851315","https://openalex.org/W6686695040"],"related_works":["https://openalex.org/W1972125288","https://openalex.org/W4237321995","https://openalex.org/W2159343473","https://openalex.org/W2486733753","https://openalex.org/W2950721519","https://openalex.org/W4312452255","https://openalex.org/W1030714881","https://openalex.org/W2036873880","https://openalex.org/W2357330935","https://openalex.org/W1574498476"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3,63,98,109,138],"investigate":[4],"a":[5,27,118,132,140],"spatially":[6],"sparse":[7,119],"code":[8],"multiplexing":[9],"(SCM)":[10],"transmission":[11,30,72,142],"scheme":[12,158],"for":[13,74,114,144],"the":[14,22,41,49,53,57,75,81,84,88,95,100,106,123,126,145,156],"massive":[15],"multiple-input":[16],"multiple-output":[17],"(MIMO)":[18],"networks":[19],"to":[20,38,68,116],"enhance":[21],"access":[23],"connectivity.":[24],"We":[25],"construct":[26],"non-":[28],"orthogonal":[29],"policy":[31,73],"over":[32],"both":[33,80],"power":[34,89,134,150],"and":[35,56,87],"angle":[36,54],"domains":[37],"fully":[39],"utilize":[40],"limited":[42],"angle-domain":[43,112],"degree":[44],"of":[45,83,165],"freedom":[46],"(DoF).":[47],"Firstly,":[48],"mapping":[50,85,120],"structure":[51],"in":[52,163],"domain":[55],"detection":[58],"method":[59],"are":[60,91],"presented.":[61],"Then,":[62],"formulate":[64],"an":[65,70],"optimization":[66,128],"problem":[67,101],"seek":[69],"optimal":[71],"proposed":[76],"SCM":[77,157],"framework,":[78],"where":[79],"design":[82],"matrix":[86],"allocation":[90,135],"concerned.":[92],"To":[93],"simplify":[94],"non-convex":[96],"problem,":[97],"solve":[99],"with":[102,148],"three":[103],"steps.":[104],"During":[105],"first":[107],"step,":[108,125],"allocate":[110],"different":[111],"beams":[113],"users":[115],"obtain":[117],"matrix;":[121],"during":[122],"second":[124],"prime":[127],"is":[129],"transformed":[130],"as":[131],"convex":[133],"problem.":[136],"Finally,":[137],"pursue":[139],"suboptimal":[141],"strategy":[143],"multiple":[146],"clusters":[147],"iterative":[149],"allocation.":[151],"Simulation":[152],"results":[153],"verify":[154],"that":[155],"exhibits":[159],"significant":[160],"performance":[161],"gain":[162],"terms":[164],"sum":[166],"rate.":[167]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
