{"id":"https://openalex.org/W2884879536","doi":"https://doi.org/10.1109/vtcspring.2018.8417817","title":"Field Trials on Spectral Efficiency Improvement in Massive MIMO Systems","display_name":"Field Trials on Spectral Efficiency Improvement in Massive MIMO Systems","publication_year":2018,"publication_date":"2018-06-01","ids":{"openalex":"https://openalex.org/W2884879536","doi":"https://doi.org/10.1109/vtcspring.2018.8417817","mag":"2884879536"},"language":"en","primary_location":{"id":"doi:10.1109/vtcspring.2018.8417817","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vtcspring.2018.8417817","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 IEEE 87th Vehicular Technology Conference (VTC Spring)","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/A5100370523","display_name":"Jian Wang","orcid":"https://orcid.org/0000-0002-9849-7558"},"institutions":[{"id":"https://openalex.org/I2250955327","display_name":"Huawei Technologies (China)","ror":"https://ror.org/00cmhce21","country_code":"CN","type":"company","lineage":["https://openalex.org/I2250955327"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jian Wang","raw_affiliation_strings":["Huawei Technologies, Co. Ltd., China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Huawei Technologies, Co. Ltd., China","institution_ids":["https://openalex.org/I2250955327"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091523465","display_name":"Aixiang Jin","orcid":null},"institutions":[{"id":"https://openalex.org/I2250955327","display_name":"Huawei Technologies (China)","ror":"https://ror.org/00cmhce21","country_code":"CN","type":"company","lineage":["https://openalex.org/I2250955327"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Aixiang Jin","raw_affiliation_strings":["Huawei Technologies, Co. Ltd., China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Huawei Technologies, Co. Ltd., China","institution_ids":["https://openalex.org/I2250955327"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016569313","display_name":"Dai Shi","orcid":null},"institutions":[{"id":"https://openalex.org/I2250955327","display_name":"Huawei Technologies (China)","ror":"https://ror.org/00cmhce21","country_code":"CN","type":"company","lineage":["https://openalex.org/I2250955327"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Dai Shi","raw_affiliation_strings":["Huawei Technologies, Co. Ltd., China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Huawei Technologies, Co. Ltd., China","institution_ids":["https://openalex.org/I2250955327"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100435923","display_name":"Lei Wang","orcid":"https://orcid.org/0000-0002-4463-2304"},"institutions":[{"id":"https://openalex.org/I2250955327","display_name":"Huawei Technologies (China)","ror":"https://ror.org/00cmhce21","country_code":"CN","type":"company","lineage":["https://openalex.org/I2250955327"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lei Wang","raw_affiliation_strings":["Huawei Technologies, Co. Ltd., China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Huawei Technologies, Co. Ltd., China","institution_ids":["https://openalex.org/I2250955327"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047092464","display_name":"Liang Hu","orcid":"https://orcid.org/0000-0001-6351-8542"},"institutions":[{"id":"https://openalex.org/I2250955327","display_name":"Huawei Technologies (China)","ror":"https://ror.org/00cmhce21","country_code":"CN","type":"company","lineage":["https://openalex.org/I2250955327"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Liang Hu","raw_affiliation_strings":["Huawei Technologies, Co. Ltd., China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Huawei Technologies, Co. Ltd., China","institution_ids":["https://openalex.org/I2250955327"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100729048","display_name":"Liang Gu","orcid":"https://orcid.org/0000-0001-9035-5494"},"institutions":[{"id":"https://openalex.org/I2250955327","display_name":"Huawei Technologies (China)","ror":"https://ror.org/00cmhce21","country_code":"CN","type":"company","lineage":["https://openalex.org/I2250955327"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Liang Gu","raw_affiliation_strings":["Huawei Technologies, Co. Ltd., China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Huawei Technologies, Co. Ltd., China","institution_ids":["https://openalex.org/I2250955327"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5085340256","display_name":"Anass Benjebbour","orcid":null},"institutions":[{"id":"https://openalex.org/I2250955327","display_name":"Huawei Technologies (China)","ror":"https://ror.org/00cmhce21","country_code":"CN","type":"company","lineage":["https://openalex.org/I2250955327"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Anass Benjebbour","raw_affiliation_strings":["Huawei Technologies, Co. Ltd., China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Huawei Technologies, Co. Ltd., China","institution_ids":["https://openalex.org/I2250955327"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I2250955327"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","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/T11458","display_name":"Advanced Wireless Communication Technologies","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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9986000061035156,"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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9961000084877014,"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/spectral-efficiency","display_name":"Spectral efficiency","score":0.8586386442184448},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.7257653474807739},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.623503565788269},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6104307770729065},{"id":"https://openalex.org/keywords/turbo-code","display_name":"Turbo code","score":0.5844289064407349},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.5767815113067627},{"id":"https://openalex.org/keywords/mimo-ofdm","display_name":"MIMO-OFDM","score":0.5719218850135803},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4506162405014038},{"id":"https://openalex.org/keywords/field","display_name":"Field (mathematics)","score":0.4319775104522705},{"id":"https://openalex.org/keywords/code","display_name":"Code (set theory)","score":0.42642468214035034},{"id":"https://openalex.org/keywords/computer-engineering","display_name":"Computer engineering","score":0.3484731912612915},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.31543999910354614},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.16933047771453857},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.15371209383010864},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.12472265958786011},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.06400281190872192}],"concepts":[{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.8586386442184448},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7257653474807739},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.623503565788269},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6104307770729065},{"id":"https://openalex.org/C114504821","wikidata":"https://www.wikidata.org/wiki/Q2164281","display_name":"Turbo code","level":3,"score":0.5844289064407349},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.5767815113067627},{"id":"https://openalex.org/C130946814","wikidata":"https://www.wikidata.org/wiki/Q5988271","display_name":"MIMO-OFDM","level":4,"score":0.5719218850135803},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4506162405014038},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.4319775104522705},{"id":"https://openalex.org/C2776760102","wikidata":"https://www.wikidata.org/wiki/Q5139990","display_name":"Code (set theory)","level":3,"score":0.42642468214035034},{"id":"https://openalex.org/C113775141","wikidata":"https://www.wikidata.org/wiki/Q428691","display_name":"Computer engineering","level":1,"score":0.3484731912612915},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.31543999910354614},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.16933047771453857},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.15371209383010864},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.12472265958786011},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.06400281190872192},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","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/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/vtcspring.2018.8417817","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vtcspring.2018.8417817","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 IEEE 87th Vehicular Technology Conference (VTC Spring)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.7200000286102295,"display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":27,"referenced_works":["https://openalex.org/W1484692004","https://openalex.org/W1521892269","https://openalex.org/W1572884776","https://openalex.org/W1922937245","https://openalex.org/W1975355884","https://openalex.org/W2008104692","https://openalex.org/W2042519026","https://openalex.org/W2061174739","https://openalex.org/W2107211662","https://openalex.org/W2113784761","https://openalex.org/W2128359496","https://openalex.org/W2128765501","https://openalex.org/W2150498905","https://openalex.org/W2509553009","https://openalex.org/W2516569912","https://openalex.org/W2531627753","https://openalex.org/W2587364843","https://openalex.org/W2622148624","https://openalex.org/W2785578763","https://openalex.org/W2964346954","https://openalex.org/W2987657883","https://openalex.org/W3094393839","https://openalex.org/W4285719527","https://openalex.org/W4300188436","https://openalex.org/W6628810906","https://openalex.org/W6678102121","https://openalex.org/W6726227549"],"related_works":["https://openalex.org/W2548963335","https://openalex.org/W2159941915","https://openalex.org/W1995129237","https://openalex.org/W1761601995","https://openalex.org/W4300468626","https://openalex.org/W2601693592","https://openalex.org/W3126434696","https://openalex.org/W213378661","https://openalex.org/W213300876","https://openalex.org/W3043585930"],"abstract_inverted_index":{"Three":[0],"5G":[1],"enabling":[2],"technologies,":[3],"i.e,":[4],"sparse":[5],"code":[6],"multiple":[7],"access":[8],"(SCMA),":[9],"Polar":[10,79],"codes":[11,49,80],"and":[12,30,47,70,81],"filtered":[13],"OFDM":[14,83],"(f-OFDM),":[15],"are":[16,68,84],"implemented":[17],"into":[18],"a":[19],"massive":[20,43,88],"MIMO":[21,44,89],"system":[22,39],"in":[23,61,72,91],"the":[24,38,51,62],"field":[25,67],"trial":[26],"conducted":[27],"by":[28],"HUAWEI":[29],"NTT":[31],"DOCOMO":[32],"to":[33],"investigate":[34],"their":[35],"impacts":[36],"on":[37],"spectral":[40,58,94],"efficiency.":[41],"Taking":[42],"with":[45],"OFDMA":[46],"Turbo":[48],"as":[50],"baseline,":[52],"we":[53],"observe":[54],"about":[55],"30%":[56],"downlink":[57],"efficiency":[59,95],"improvement":[60],"trial.":[63],"Results":[64],"from":[65],"test":[66],"summarized":[69],"analyzed":[71],"this":[73],"paper,":[74],"which":[75],"verified":[76],"that":[77],"SCMA,":[78],"f-":[82],"also":[85],"feasible":[86],"for":[87],"systems":[90],"terms":[92],"of":[93],"improvement.":[96]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":3}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
