{"id":"https://openalex.org/W2030418715","doi":"https://doi.org/10.1109/chinacom.2014.7054331","title":"Optimal power efficiency of spatial multiplexing in optical wireless MIMO channels","display_name":"Optimal power efficiency of spatial multiplexing in optical wireless MIMO channels","publication_year":2014,"publication_date":"2014-08-01","ids":{"openalex":"https://openalex.org/W2030418715","doi":"https://doi.org/10.1109/chinacom.2014.7054331","mag":"2030418715"},"language":"en","primary_location":{"id":"doi:10.1109/chinacom.2014.7054331","is_oa":false,"landing_page_url":"https://doi.org/10.1109/chinacom.2014.7054331","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"9th International Conference on Communications and Networking in China","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/A5088965749","display_name":"Xiangchuan Gao","orcid":"https://orcid.org/0000-0003-3368-5643"},"institutions":[{"id":"https://openalex.org/I38877650","display_name":"Zhengzhou University","ror":"https://ror.org/04ypx8c21","country_code":"CN","type":"education","lineage":["https://openalex.org/I38877650"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Xiangchuan Gao","raw_affiliation_strings":["School of Information and Engineering, Zheng Zhou University, Zheng Zhou, China"],"affiliations":[{"raw_affiliation_string":"School of Information and Engineering, Zheng Zhou University, Zheng Zhou, China","institution_ids":["https://openalex.org/I38877650"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016692595","display_name":"Yuanyuan Zhang","orcid":"https://orcid.org/0000-0003-2557-6543"},"institutions":[{"id":"https://openalex.org/I38877650","display_name":"Zhengzhou University","ror":"https://ror.org/04ypx8c21","country_code":"CN","type":"education","lineage":["https://openalex.org/I38877650"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuanyuan Zhang","raw_affiliation_strings":["School of Information and Engineering, Zheng Zhou University, Zheng Zhou, China"],"affiliations":[{"raw_affiliation_string":"School of Information and Engineering, Zheng Zhou University, Zheng Zhou, China","institution_ids":["https://openalex.org/I38877650"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101786466","display_name":"Zhongyong Wang","orcid":"https://orcid.org/0000-0002-9217-6200"},"institutions":[{"id":"https://openalex.org/I38877650","display_name":"Zhengzhou University","ror":"https://ror.org/04ypx8c21","country_code":"CN","type":"education","lineage":["https://openalex.org/I38877650"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhongyong Wang","raw_affiliation_strings":["School of Information and Engineering, Zheng Zhou University, Zheng Zhou, China"],"affiliations":[{"raw_affiliation_string":"School of Information and Engineering, Zheng Zhou University, Zheng Zhou, China","institution_ids":["https://openalex.org/I38877650"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077908321","display_name":"Xingye Wang","orcid":"https://orcid.org/0009-0007-2581-7809"},"institutions":[{"id":"https://openalex.org/I38877650","display_name":"Zhengzhou University","ror":"https://ror.org/04ypx8c21","country_code":"CN","type":"education","lineage":["https://openalex.org/I38877650"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xingye Wang","raw_affiliation_strings":["School of Information and Engineering, Zheng Zhou University, Zheng Zhou, China"],"affiliations":[{"raw_affiliation_string":"School of Information and Engineering, Zheng Zhou University, Zheng Zhou, China","institution_ids":["https://openalex.org/I38877650"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5102034546","display_name":"Linlin Duan","orcid":null},"institutions":[{"id":"https://openalex.org/I38877650","display_name":"Zhengzhou University","ror":"https://ror.org/04ypx8c21","country_code":"CN","type":"education","lineage":["https://openalex.org/I38877650"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Linlin Duan","raw_affiliation_strings":["School of Information and Engineering, Zheng Zhou University, Zheng Zhou, China"],"affiliations":[{"raw_affiliation_string":"School of Information and Engineering, Zheng Zhou University, Zheng Zhou, China","institution_ids":["https://openalex.org/I38877650"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5088965749"],"corresponding_institution_ids":["https://openalex.org/I38877650"],"apc_list":null,"apc_paid":null,"fwci":0.4187,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.67356439,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"422","last_page":"426"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10851","display_name":"Optical Wireless Communication Technologies","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/T10851","display_name":"Optical Wireless Communication Technologies","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/T10767","display_name":"Advanced Photonic Communication Systems","score":0.9968000054359436,"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/T11429","display_name":"Semiconductor Lasers and Optical Devices","score":0.9803000092506409,"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":0.7266993522644043},{"id":"https://openalex.org/keywords/spatial-multiplexing","display_name":"Spatial multiplexing","score":0.6680350303649902},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.6660480499267578},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.6118642687797546},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.582112729549408},{"id":"https://openalex.org/keywords/offset","display_name":"Offset (computer science)","score":0.5818853378295898},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.576911449432373},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.5330072045326233},{"id":"https://openalex.org/keywords/visible-light-communication","display_name":"Visible light communication","score":0.5051317811012268},{"id":"https://openalex.org/keywords/electrical-efficiency","display_name":"Electrical efficiency","score":0.501986026763916},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.46927610039711},{"id":"https://openalex.org/keywords/optical-wireless","display_name":"Optical wireless","score":0.46157678961753845},{"id":"https://openalex.org/keywords/diagonal","display_name":"Diagonal","score":0.4279630184173584},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.4246557056903839},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.3985186815261841},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.33316391706466675},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.27701321244239807},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.22221553325653076},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2025807499885559},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.14170598983764648},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.14080089330673218},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.07318606972694397}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7266993522644043},{"id":"https://openalex.org/C85884896","wikidata":"https://www.wikidata.org/wiki/Q7574075","display_name":"Spatial multiplexing","level":4,"score":0.6680350303649902},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.6660480499267578},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.6118642687797546},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.582112729549408},{"id":"https://openalex.org/C175291020","wikidata":"https://www.wikidata.org/wiki/Q1156822","display_name":"Offset (computer science)","level":2,"score":0.5818853378295898},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.576911449432373},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5330072045326233},{"id":"https://openalex.org/C160487672","wikidata":"https://www.wikidata.org/wiki/Q1426313","display_name":"Visible light communication","level":3,"score":0.5051317811012268},{"id":"https://openalex.org/C118993495","wikidata":"https://www.wikidata.org/wiki/Q5042828","display_name":"Electrical efficiency","level":3,"score":0.501986026763916},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.46927610039711},{"id":"https://openalex.org/C2781305180","wikidata":"https://www.wikidata.org/wiki/Q7098907","display_name":"Optical wireless","level":3,"score":0.46157678961753845},{"id":"https://openalex.org/C130367717","wikidata":"https://www.wikidata.org/wiki/Q189791","display_name":"Diagonal","level":2,"score":0.4279630184173584},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.4246557056903839},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.3985186815261841},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.33316391706466675},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.27701321244239807},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.22221553325653076},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2025807499885559},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.14170598983764648},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.14080089330673218},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.07318606972694397},{"id":"https://openalex.org/C176666156","wikidata":"https://www.wikidata.org/wiki/Q25504","display_name":"Light-emitting diode","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/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","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/chinacom.2014.7054331","is_oa":false,"landing_page_url":"https://doi.org/10.1109/chinacom.2014.7054331","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"9th International Conference on Communications and Networking in China","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.9100000262260437,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W1996199482","https://openalex.org/W1997834106","https://openalex.org/W2046357137","https://openalex.org/W2076541010","https://openalex.org/W2125446515","https://openalex.org/W2136732563","https://openalex.org/W2141943392","https://openalex.org/W2144644352","https://openalex.org/W2152567496","https://openalex.org/W2163770389","https://openalex.org/W2168481080","https://openalex.org/W2268711459","https://openalex.org/W6669452455","https://openalex.org/W6680697719","https://openalex.org/W6729294337"],"related_works":["https://openalex.org/W2216248654","https://openalex.org/W1517014499","https://openalex.org/W2402142910","https://openalex.org/W4383558088","https://openalex.org/W2141031289","https://openalex.org/W2526413023","https://openalex.org/W2592894164","https://openalex.org/W2039798909","https://openalex.org/W2101125413","https://openalex.org/W2435013398"],"abstract_inverted_index":{"This":[0],"paper":[1,108],"investigates":[2],"the":[3,24,30,38,42,49,76,85,92,100,110,118,141,144,148],"problem":[4],"of":[5,41,51,106,117,140],"power":[6,52,78,87,114,128],"efficiency":[7,115,129],"for":[8],"spatially":[9],"multiplexed":[10],"multiple-input":[11],"multiple-output":[12],"(MIMO)":[13],"visible":[14],"light":[15],"communication":[16,26],"(VLC)":[17],"system.":[18,119],"In":[19,54],"this":[20,55,107],"system,":[21],"it":[22],"combines":[23],"optical":[25],"with":[27,97],"illumination,":[28],"but":[29],"offset":[31,77],"power,":[32],"which":[33,80],"is":[34,72,109],"used":[35],"to":[36,48,74],"satisfy":[37],"nonnegative":[39],"constraint":[40],"transmitter-side":[43],"signal":[44,94],"after":[45],"precoding,":[46],"leads":[47],"reduction":[50],"efficiency.":[53],"paper,":[56],"a":[57],"negative":[58],"inverse":[59],"diagonal(NID)":[60],"matrix":[61],"based":[62],"on":[63],"optimal":[64],"maximum":[65],"likelihood":[66],"(ML)":[67],"criterion":[68,71],"and":[69,112],"suboptimal":[70],"designed":[73],"minimise":[75],"consumption,":[79],"has":[81],"no":[82],"effect":[83],"in":[84],"conventional":[86],"allocation.":[88],"We":[89],"theoretically":[90],"derive":[91],"detection":[93],"at":[95],"receiver":[96],"multiplying":[98],"by":[99],"same":[101],"NID":[102,149],"matrix.":[103,150],"The":[104],"focus":[105],"capacity":[111,139],"average":[113],"performance":[116],"Simulation":[120],"results":[121],"show":[122,133],"that":[123,134],"our":[124,135],"proposed":[125],"method":[126,145],"improves":[127],"significantly.":[130],"Furthermore,":[131],"we":[132],"scheme":[136],"provides":[137],"higher":[138],"system":[142],"than":[143],"without":[146],"designing":[147]},"counts_by_year":[{"year":2017,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
