{"id":"https://openalex.org/W3130123703","doi":"https://doi.org/10.1109/rws50353.2021.9360382","title":"Portfolio Theory in Millimeter-Wave Coordinated Multi-Point Transmission","display_name":"Portfolio Theory in Millimeter-Wave Coordinated Multi-Point Transmission","publication_year":2021,"publication_date":"2021-01-17","ids":{"openalex":"https://openalex.org/W3130123703","doi":"https://doi.org/10.1109/rws50353.2021.9360382","mag":"3130123703"},"language":"en","primary_location":{"id":"doi:10.1109/rws50353.2021.9360382","is_oa":false,"landing_page_url":"https://doi.org/10.1109/rws50353.2021.9360382","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE Radio and Wireless Symposium (RWS)","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/A5101558749","display_name":"Lin Cheng","orcid":"https://orcid.org/0000-0002-0541-9375"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Lin Cheng","raw_affiliation_strings":["CableLabs, Next-Gen Systems, Louisville, CO"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"CableLabs, Next-Gen Systems, Louisville, CO","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059167530","display_name":"Bernardo A. Huberman","orcid":"https://orcid.org/0000-0001-6213-8468"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Bernardo A. Huberman","raw_affiliation_strings":["CableLabs, Next-Gen Systems, Louisville, CO"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"CableLabs, Next-Gen Systems, Louisville, CO","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100532751","display_name":"Mu Xu","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Mu Xu","raw_affiliation_strings":["CableLabs, Next-Gen Systems, Louisville, CO"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"CableLabs, Next-Gen Systems, Louisville, CO","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"7","issue":null,"first_page":"133","last_page":"136"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9993000030517578,"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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9993000030517578,"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/T10262","display_name":"Microwave Engineering and Waveguides","score":0.9977999925613403,"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":0.9969000220298767,"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/transmission","display_name":"Transmission (telecommunications)","score":0.7093003988265991},{"id":"https://openalex.org/keywords/modern-portfolio-theory","display_name":"Modern portfolio theory","score":0.6715885400772095},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6016351580619812},{"id":"https://openalex.org/keywords/portfolio","display_name":"Portfolio","score":0.5527547001838684},{"id":"https://openalex.org/keywords/efficient-frontier","display_name":"Efficient frontier","score":0.5499345064163208},{"id":"https://openalex.org/keywords/millimeter","display_name":"Millimeter","score":0.5224201679229736},{"id":"https://openalex.org/keywords/extremely-high-frequency","display_name":"Extremely high frequency","score":0.5130943059921265},{"id":"https://openalex.org/keywords/point","display_name":"Point (geometry)","score":0.49413374066352844},{"id":"https://openalex.org/keywords/power-transmission","display_name":"Power transmission","score":0.481598824262619},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.4757413864135742},{"id":"https://openalex.org/keywords/variance","display_name":"Variance (accounting)","score":0.4569982886314392},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4485286474227905},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.4194503426551819},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3347841799259186},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.225176602602005},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.17248183488845825},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.13267984986305237},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.10497716069221497},{"id":"https://openalex.org/keywords/economics","display_name":"Economics","score":0.08085665106773376}],"concepts":[{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.7093003988265991},{"id":"https://openalex.org/C9725762","wikidata":"https://www.wikidata.org/wiki/Q1072885","display_name":"Modern portfolio theory","level":3,"score":0.6715885400772095},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6016351580619812},{"id":"https://openalex.org/C2780821815","wikidata":"https://www.wikidata.org/wiki/Q5340806","display_name":"Portfolio","level":2,"score":0.5527547001838684},{"id":"https://openalex.org/C51485801","wikidata":"https://www.wikidata.org/wiki/Q16966861","display_name":"Efficient frontier","level":3,"score":0.5499345064163208},{"id":"https://openalex.org/C109792285","wikidata":"https://www.wikidata.org/wiki/Q174789","display_name":"Millimeter","level":2,"score":0.5224201679229736},{"id":"https://openalex.org/C45764600","wikidata":"https://www.wikidata.org/wiki/Q570342","display_name":"Extremely high frequency","level":2,"score":0.5130943059921265},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.49413374066352844},{"id":"https://openalex.org/C92018576","wikidata":"https://www.wikidata.org/wiki/Q3242194","display_name":"Power transmission","level":3,"score":0.481598824262619},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.4757413864135742},{"id":"https://openalex.org/C196083921","wikidata":"https://www.wikidata.org/wiki/Q7915758","display_name":"Variance (accounting)","level":2,"score":0.4569982886314392},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4485286474227905},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.4194503426551819},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3347841799259186},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.225176602602005},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.17248183488845825},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.13267984986305237},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.10497716069221497},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.08085665106773376},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","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},{"id":"https://openalex.org/C121955636","wikidata":"https://www.wikidata.org/wiki/Q4116214","display_name":"Accounting","level":1,"score":0.0},{"id":"https://openalex.org/C106159729","wikidata":"https://www.wikidata.org/wiki/Q2294553","display_name":"Financial economics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/rws50353.2021.9360382","is_oa":false,"landing_page_url":"https://doi.org/10.1109/rws50353.2021.9360382","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE Radio and Wireless Symposium (RWS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":6,"referenced_works":["https://openalex.org/W1982698541","https://openalex.org/W2064902266","https://openalex.org/W2320435493","https://openalex.org/W2529923451","https://openalex.org/W2963614214","https://openalex.org/W6807091881"],"related_works":["https://openalex.org/W2317169686","https://openalex.org/W1185324648","https://openalex.org/W2539553997","https://openalex.org/W3159902002","https://openalex.org/W4327968198","https://openalex.org/W3208155863","https://openalex.org/W2363237216","https://openalex.org/W2033762247","https://openalex.org/W2530392398","https://openalex.org/W1997983170"],"abstract_inverted_index":{"This":[0],"paper":[1],"introduces":[2],"Portfolio":[3],"Theory,":[4],"a":[5,10,62],"tool":[6],"in":[7,16,43,61,71],"finance,":[8],"as":[9],"solution":[11],"to":[12,21],"power":[13,42,76,83],"allocation":[14],"transmitters":[15],"coordinated":[17],"multi-point":[18],"(CoMP)":[19],"systems":[20],"combat":[22],"the":[23,36,40,53,73,82,91],"link":[24],"loss":[25],"and":[26,81],"variation":[27],"of":[28,39],"directional":[29],"millimeter-wave":[30],"(MMW)":[31],"signals.":[32],"With":[33],"this":[34],"theory,":[35],"mean-variance":[37],"performance":[38],"receiving":[41,75],"CoMP":[44,64],"transmission":[45,65],"can":[46],"be":[47],"optimized":[48],"by":[49,79,87,89],"choosing":[50],"portfolios":[51],"along":[52],"efficient":[54],"frontier.":[55],"The":[56],"method":[57],"is":[58,77,85],"experimentally":[59],"demonstrated":[60],"2x1":[63],"system":[66],"operating":[67],"at":[68],"28":[69],"GHz,":[70],"which":[72],"average":[74],"improved":[78,86],"20%":[80],"deviation":[84],"16%":[88],"using":[90],"proposed":[92],"method.":[93]},"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}