{"id":"https://openalex.org/W2948998379","doi":"https://doi.org/10.1109/access.2019.2920431","title":"Achieving Maximum Spectrum Efficiency for Full-Duplex MIMO: The Fractal Array-Element Based Self-Interference Mitigation Approach","display_name":"Achieving Maximum Spectrum Efficiency for Full-Duplex MIMO: The Fractal Array-Element Based Self-Interference Mitigation Approach","publication_year":2019,"publication_date":"2019-01-01","ids":{"openalex":"https://openalex.org/W2948998379","doi":"https://doi.org/10.1109/access.2019.2920431","mag":"2948998379"},"language":"en","primary_location":{"id":"doi:10.1109/access.2019.2920431","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2019.2920431","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8600701/08727889.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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 Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/6287639/8600701/08727889.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5012820395","display_name":"Wenchi Cheng","orcid":"https://orcid.org/0000-0002-2009-0539"},"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":"Wenchi Cheng","raw_affiliation_strings":["State Key Laboratory of Integrated Services Networks, Xidian University, Xi\u2019an, China","State Key Laboratory of Integrated Services Networks, Xidian University, Xi'an, China"],"raw_orcid":"https://orcid.org/0000-0002-2009-0539","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Integrated Services Networks, Xidian University, Xi\u2019an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"State Key Laboratory of Integrated Services Networks, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100398999","display_name":"Jianyu Wang","orcid":"https://orcid.org/0000-0003-3755-8203"},"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":"Jianyu Wang","raw_affiliation_strings":["State Key Laboratory of Integrated Services Networks, Xidian University, Xi\u2019an, China","State Key Laboratory of Integrated Services Networks, Xidian University, Xi'an, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Integrated Services Networks, Xidian University, Xi\u2019an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"State Key Laboratory of Integrated Services Networks, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025788183","display_name":"Ruqian Zhang","orcid":"https://orcid.org/0000-0001-9161-2878"},"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":"Ruqian Zhang","raw_affiliation_strings":["State Key Laboratory of Integrated Services Networks, Xidian University, Xi\u2019an, China","State Key Laboratory of Integrated Services Networks, Xidian University, Xi'an, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Integrated Services Networks, Xidian University, Xi\u2019an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"State Key Laboratory of Integrated Services Networks, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100462423","display_name":"Hailin Zhang","orcid":"https://orcid.org/0000-0001-6109-159X"},"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":"Hailin Zhang","raw_affiliation_strings":["State Key Laboratory of Integrated Services Networks, Xidian University, Xi\u2019an, China","State Key Laboratory of Integrated Services Networks, Xidian University, Xi'an, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Integrated Services Networks, Xidian University, Xi\u2019an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"State Key Laboratory of Integrated Services Networks, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":0.0,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.04162496,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"7","issue":null,"first_page":"74056","last_page":"74069"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12791","display_name":"Full-Duplex Wireless Communications","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/T12791","display_name":"Full-Duplex Wireless Communications","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/T10891","display_name":"Radar Systems and Signal Processing","score":0.9422000050544739,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T11392","display_name":"Energy Harvesting in Wireless Networks","score":0.9161999821662903,"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":0.7822335958480835},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6066721081733704},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.6051524877548218},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.5779371857643127},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.5327121615409851},{"id":"https://openalex.org/keywords/array-gain","display_name":"Array gain","score":0.5146392583847046},{"id":"https://openalex.org/keywords/spatial-multiplexing","display_name":"Spatial multiplexing","score":0.5022215843200684},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.5011496543884277},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.4789319932460785},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.47418150305747986},{"id":"https://openalex.org/keywords/multi-user-mimo","display_name":"Multi-user MIMO","score":0.4552825689315796},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.42436468601226807},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.38525381684303284},{"id":"https://openalex.org/keywords/antenna-array","display_name":"Antenna array","score":0.347234845161438},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.3447428345680237},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2877408564090729},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2032773792743683},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.17490023374557495},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.1534026861190796}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7822335958480835},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6066721081733704},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.6051524877548218},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.5779371857643127},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5327121615409851},{"id":"https://openalex.org/C136664719","wikidata":"https://www.wikidata.org/wiki/Q4795880","display_name":"Array gain","level":4,"score":0.5146392583847046},{"id":"https://openalex.org/C85884896","wikidata":"https://www.wikidata.org/wiki/Q7574075","display_name":"Spatial multiplexing","level":4,"score":0.5022215843200684},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.5011496543884277},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.4789319932460785},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.47418150305747986},{"id":"https://openalex.org/C91330434","wikidata":"https://www.wikidata.org/wiki/Q738298","display_name":"Multi-user MIMO","level":4,"score":0.4552825689315796},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.42436468601226807},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.38525381684303284},{"id":"https://openalex.org/C62191587","wikidata":"https://www.wikidata.org/wiki/Q4771249","display_name":"Antenna array","level":3,"score":0.347234845161438},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.3447428345680237},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2877408564090729},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2032773792743683},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.17490023374557495},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.1534026861190796}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2019.2920431","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2019.2920431","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8600701/08727889.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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 Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:14e0aca3ce9a4ac5948d3cd8f91c5020","is_oa":true,"landing_page_url":"https://doaj.org/article/14e0aca3ce9a4ac5948d3cd8f91c5020","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 7, Pp 74056-74069 (2019)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2019.2920431","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2019.2920431","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8600701/08727889.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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 Access","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3299306029","display_name":"\u65e0\u7ebf\u901a\u4fe1\u7f51\u7edc\u4e2d\u9762\u5411\u591a\u6e90\u5f02\u6784\u4e1a\u52a1\u7684\u65f6\u5ef6\u670d\u52a1\u8d28\u91cf\u4fdd\u969c\u673a\u5236\u7814\u7a76","funder_award_id":"61771368","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6503845381","display_name":null,"funder_award_id":"2016QNRC001","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G664403385","display_name":"\u9762\u54112N\u500d\u9891\u8c31\u6548\u7387\u7684\u5927\u5c3a\u5ea6\u540c\u65f6\u540c\u9891\u5168\u53cc\u5de5MIMO\u5173\u952e\u6280\u672f\u7814\u7a76","funder_award_id":"61671347","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2948998379.pdf","grobid_xml":"https://content.openalex.org/works/W2948998379.grobid-xml"},"referenced_works_count":45,"referenced_works":["https://openalex.org/W954185508","https://openalex.org/W1483783971","https://openalex.org/W1592174611","https://openalex.org/W1778513012","https://openalex.org/W1895366383","https://openalex.org/W1900722872","https://openalex.org/W1970904871","https://openalex.org/W1994125924","https://openalex.org/W2001046152","https://openalex.org/W2010519467","https://openalex.org/W2015301486","https://openalex.org/W2021158943","https://openalex.org/W2035184314","https://openalex.org/W2044000385","https://openalex.org/W2049516452","https://openalex.org/W2060512747","https://openalex.org/W2078325625","https://openalex.org/W2083058703","https://openalex.org/W2084857715","https://openalex.org/W2088212435","https://openalex.org/W2088272790","https://openalex.org/W2099692390","https://openalex.org/W2106543408","https://openalex.org/W2108795776","https://openalex.org/W2111097777","https://openalex.org/W2122125652","https://openalex.org/W2128513990","https://openalex.org/W2128938148","https://openalex.org/W2132350761","https://openalex.org/W2134053781","https://openalex.org/W2135328009","https://openalex.org/W2147601077","https://openalex.org/W2154354807","https://openalex.org/W2186502258","https://openalex.org/W2288306359","https://openalex.org/W2320115123","https://openalex.org/W2486371220","https://openalex.org/W2510173137","https://openalex.org/W2607814989","https://openalex.org/W2791600625","https://openalex.org/W2810871807","https://openalex.org/W2810990271","https://openalex.org/W2963757653","https://openalex.org/W4300886601","https://openalex.org/W6676014903"],"related_works":["https://openalex.org/W1500439066","https://openalex.org/W2186911381","https://openalex.org/W4380147564","https://openalex.org/W3126052197","https://openalex.org/W1905709045","https://openalex.org/W2188204209","https://openalex.org/W2048096091","https://openalex.org/W4315777363","https://openalex.org/W2362653974","https://openalex.org/W2747791340"],"abstract_inverted_index":{"Full-duplex":[0],"(FD),":[1],"where":[2],"the":[3,11,22,28,36,52,68,82,90,95,101,108,116,119,126,134,162],"terminal":[4,53],"transmits":[5],"and":[6,14,100,129,151],"receives":[7],"signals":[8],"simultaneously":[9],"using":[10,133],"same":[12],"frequency-band":[13],"time-slots,":[15],"has":[16],"been":[17],"treated":[18],"as":[19],"one":[20,111],"of":[21,31],"potential":[23],"candidate":[24],"techniques":[25],"to":[26,55,79,106],"enhance":[27],"spectrum":[29],"efficiency":[30],"wireless":[32,73],"communications.":[33],"To":[34],"achieve":[35],"maximum":[37],"transmission":[38],"rate":[39],"for":[40,164],"FD":[41,60,74,117,165],"multiple":[42,44],"input":[43],"output":[45],"(MIMO)":[46],"terminal,":[47],"all":[48],"antennas":[49,128],"equipped":[50],"on":[51],"need":[54],"not":[56],"only":[57],"work":[58],"in":[59,64,72],"mode,":[61],"but":[62],"also":[63],"multiplexing":[65,120],"mode.":[66],"However,":[67],"most":[69],"challenging":[70],"problem":[71],"MIMO":[75],"communications":[76],"is":[77],"how":[78],"efficiently":[80],"mitigate":[81,107],"self-interference":[83],"(SI).":[84],"In":[85],"this":[86],"paper,":[87],"we":[88,114],"propose":[89],"correlation-based":[91],"digital":[92],"mitigation":[93,104,142,157],"scheme,":[94],"positive-negative":[96],"array-element":[97],"(PNAE)":[98],"block,":[99],"fractal":[102],"array-element-based":[103],"approach":[105],"SI":[109,124,141,156,163],"within":[110],"antenna.":[112],"Then,":[113],"integrate":[115],"into":[118],"MIMO.":[121,166],"The":[122,144],"large":[123],"among":[125],"different":[127],"array-elements":[130],"are":[131],"mitigated":[132],"proposed":[135],"adaptive":[136],"diagonal":[137],"loading":[138],"(ADL)-based":[139],"beamforming":[140],"scheme.":[143],"simulation":[145],"results":[146],"verify":[147],"our":[148,154],"theoretical":[149],"analyses":[150],"show":[152],"that":[153],"developed":[155],"schemes":[158],"can":[159],"significantly":[160],"reduce":[161]},"counts_by_year":[{"year":2023,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}