{"id":"https://openalex.org/W2962788957","doi":"https://doi.org/10.1109/lwc.2018.2808346","title":"Relationship Between Cross-Polarization Discrimination (XPD) and Spatial Correlation in Indoor Small-Cell MIMO Systems","display_name":"Relationship Between Cross-Polarization Discrimination (XPD) and Spatial Correlation in Indoor Small-Cell MIMO Systems","publication_year":2018,"publication_date":"2018-02-21","ids":{"openalex":"https://openalex.org/W2962788957","doi":"https://doi.org/10.1109/lwc.2018.2808346","mag":"2962788957"},"language":"en","primary_location":{"id":"doi:10.1109/lwc.2018.2808346","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2018.2808346","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"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 Wireless Communications Letters","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/A5051799249","display_name":"Yeon-Geun Lim","orcid":"https://orcid.org/0000-0001-5868-7907"},"institutions":[{"id":"https://openalex.org/I193775966","display_name":"Yonsei University","ror":"https://ror.org/01wjejq96","country_code":"KR","type":"education","lineage":["https://openalex.org/I193775966"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Yeon-Geun Lim","raw_affiliation_strings":["School of Integrated Technology, Yonsei University, Seoul, South Korea"],"affiliations":[{"raw_affiliation_string":"School of Integrated Technology, Yonsei University, Seoul, South Korea","institution_ids":["https://openalex.org/I193775966"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025202888","display_name":"Yae Jee Cho","orcid":"https://orcid.org/0000-0001-6075-2712"},"institutions":[{"id":"https://openalex.org/I193775966","display_name":"Yonsei University","ror":"https://ror.org/01wjejq96","country_code":"KR","type":"education","lineage":["https://openalex.org/I193775966"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Yae Jee Cho","raw_affiliation_strings":["School of Integrated Technology, Yonsei University, Seoul, South Korea"],"affiliations":[{"raw_affiliation_string":"School of Integrated Technology, Yonsei University, Seoul, South Korea","institution_ids":["https://openalex.org/I193775966"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044305334","display_name":"TaeckKeun Oh","orcid":"https://orcid.org/0000-0002-1611-1130"},"institutions":[{"id":"https://openalex.org/I4210089444","display_name":"GS Caltex (South Korea)","ror":"https://ror.org/00bvkj141","country_code":"KR","type":"company","lineage":["https://openalex.org/I4210089444"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Taeckkeun Oh","raw_affiliation_strings":["PGM Research and Development Laboratory, LIG Nex1, Seongnam, South Korea"],"affiliations":[{"raw_affiliation_string":"PGM Research and Development Laboratory, LIG Nex1, Seongnam, South Korea","institution_ids":["https://openalex.org/I4210089444"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082030425","display_name":"Yong\u2010Shik Lee","orcid":"https://orcid.org/0000-0003-2623-3569"},"institutions":[{"id":"https://openalex.org/I193775966","display_name":"Yonsei University","ror":"https://ror.org/01wjejq96","country_code":"KR","type":"education","lineage":["https://openalex.org/I193775966"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Yongshik Lee","raw_affiliation_strings":["School of Electrical and Electronic Engineering, Yonsei University, Seoul, South Korea"],"affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, Yonsei University, Seoul, South Korea","institution_ids":["https://openalex.org/I193775966"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5079863632","display_name":"Chan\u2010Byoung Chae","orcid":"https://orcid.org/0000-0001-9561-3341"},"institutions":[{"id":"https://openalex.org/I193775966","display_name":"Yonsei University","ror":"https://ror.org/01wjejq96","country_code":"KR","type":"education","lineage":["https://openalex.org/I193775966"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Chan-Byoung Chae","raw_affiliation_strings":["School of Integrated Technology, Yonsei University, Seoul, South Korea"],"affiliations":[{"raw_affiliation_string":"School of Integrated Technology, Yonsei University, Seoul, South Korea","institution_ids":["https://openalex.org/I193775966"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5051799249"],"corresponding_institution_ids":["https://openalex.org/I193775966"],"apc_list":null,"apc_paid":null,"fwci":0.7725,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":{"value":0.74992725,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":"7","issue":"4","first_page":"654","last_page":"657"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9991000294685364,"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":0.9973000288009644,"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":0.8460956811904907},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6319100260734558},{"id":"https://openalex.org/keywords/spatial-correlation","display_name":"Spatial correlation","score":0.6171307563781738},{"id":"https://openalex.org/keywords/polarization","display_name":"Polarization (electrochemistry)","score":0.5940186977386475},{"id":"https://openalex.org/keywords/ray-tracing","display_name":"Ray tracing (physics)","score":0.5068841576576233},{"id":"https://openalex.org/keywords/3g-mimo","display_name":"3G MIMO","score":0.4895420968532562},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.47913858294487},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.4367257356643677},{"id":"https://openalex.org/keywords/antenna-array","display_name":"Antenna array","score":0.4341281056404114},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4043370187282562},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.3590737283229828},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.33218473196029663},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.2911878824234009},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2620137631893158},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.14025059342384338}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.8460956811904907},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6319100260734558},{"id":"https://openalex.org/C150060386","wikidata":"https://www.wikidata.org/wiki/Q7574054","display_name":"Spatial correlation","level":2,"score":0.6171307563781738},{"id":"https://openalex.org/C205049153","wikidata":"https://www.wikidata.org/wiki/Q2698605","display_name":"Polarization (electrochemistry)","level":2,"score":0.5940186977386475},{"id":"https://openalex.org/C121483023","wikidata":"https://www.wikidata.org/wiki/Q7298343","display_name":"Ray tracing (physics)","level":2,"score":0.5068841576576233},{"id":"https://openalex.org/C165650700","wikidata":"https://www.wikidata.org/wiki/Q4636347","display_name":"3G MIMO","level":4,"score":0.4895420968532562},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.47913858294487},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.4367257356643677},{"id":"https://openalex.org/C62191587","wikidata":"https://www.wikidata.org/wiki/Q4771249","display_name":"Antenna array","level":3,"score":0.4341281056404114},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4043370187282562},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.3590737283229828},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.33218473196029663},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.2911878824234009},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2620137631893158},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.14025059342384338},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C147789679","wikidata":"https://www.wikidata.org/wiki/Q11372","display_name":"Physical chemistry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lwc.2018.2808346","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2018.2808346","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"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 Wireless Communications Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.6399999856948853,"id":"https://metadata.un.org/sdg/10","display_name":"Reduced inequalities"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W1639008916","https://openalex.org/W1997689094","https://openalex.org/W2060794069","https://openalex.org/W2128513990","https://openalex.org/W2139863107","https://openalex.org/W2146234956","https://openalex.org/W2156715194","https://openalex.org/W2158390012","https://openalex.org/W2163138196","https://openalex.org/W2164664877","https://openalex.org/W2293567989","https://openalex.org/W2342787454","https://openalex.org/W2420281127","https://openalex.org/W2568331865","https://openalex.org/W2771043090","https://openalex.org/W3099108554","https://openalex.org/W3106282754","https://openalex.org/W4252492824","https://openalex.org/W6746458356"],"related_works":["https://openalex.org/W2055298134","https://openalex.org/W2402142910","https://openalex.org/W2794256844","https://openalex.org/W2767088567","https://openalex.org/W2740968261","https://openalex.org/W2151070970","https://openalex.org/W2007882453","https://openalex.org/W2769891750","https://openalex.org/W2216248654","https://openalex.org/W2360027960"],"abstract_inverted_index":{"In":[0,20],"this":[1],"letter,":[2],"we":[3,24,68],"provide":[4,69],"a":[5,10,50,57,63,84],"correlated":[6,59],"channel":[7,54,60],"model":[8,55,61],"for":[9],"dual-polarization":[11,51,85],"antenna":[12,86],"in":[13,31],"indoor":[14,22],"small-cell":[15],"multiple-input":[16],"multiple-output":[17],"(MIMO)":[18],"systems.":[19],"an":[21],"environment,":[23],"confirm":[25],"that":[26],"the":[27,32,40,44,70,78],"cross-polarization":[28],"discrimination":[29],"(XPD)":[30],"direction":[33],"of":[34,43],"angle-of-departure":[35],"can":[36],"be":[37],"represented":[38],"as":[39],"spatial":[41],"correlation":[42],"MIMO":[45,53],"channel.":[46],"We":[47],"also":[48],"evaluate":[49],"antenna-based":[52],"and":[56,87],"spatially":[58],"using":[62],"3-D":[64],"ray-tracing":[65],"simulator.":[66],"Furthermore,":[67],"equivalent":[71],"distance":[72],"between":[73],"adjacent":[74],"antennas":[75],"according":[76],"to":[77],"XPD,":[79],"providing":[80],"insights":[81],"into":[82],"designing":[83],"its":[88],"arrays.":[89]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":3},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}