{"id":"https://openalex.org/W4409311212","doi":"https://doi.org/10.1109/twc.2025.3557058","title":"Enhancing Secrecy Energy Efficiency in THz MIMO Two-Way Relay Systems With SWIPT and Precoding","display_name":"Enhancing Secrecy Energy Efficiency in THz MIMO Two-Way Relay Systems With SWIPT and Precoding","publication_year":2025,"publication_date":"2025-04-09","ids":{"openalex":"https://openalex.org/W4409311212","doi":"https://doi.org/10.1109/twc.2025.3557058"},"language":"en","primary_location":{"id":"doi:10.1109/twc.2025.3557058","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2025.3557058","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"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 Transactions on Wireless Communications","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/A5042357091","display_name":"Shuangrui Zhao","orcid":"https://orcid.org/0000-0001-7677-4027"},"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":"Shuangrui Zhao","raw_affiliation_strings":["School of Computer Science and Technology, Xidian University, Xi&#x2019;an, China"],"raw_orcid":"https://orcid.org/0000-0001-7677-4027","affiliations":[{"raw_affiliation_string":"School of Computer Science and Technology, Xidian University, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100347585","display_name":"Zhiwei Zhang","orcid":"https://orcid.org/0000-0001-6455-6866"},"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":"Zhiwei Zhang","raw_affiliation_strings":["School of Computer Science and Technology, Xidian University, Xi&#x2019;an, China"],"raw_orcid":"https://orcid.org/0000-0001-6455-6866","affiliations":[{"raw_affiliation_string":"School of Computer Science and Technology, Xidian University, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042663855","display_name":"Ning Xi","orcid":"https://orcid.org/0000-0003-0690-5321"},"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":"Ning Xi","raw_affiliation_strings":["School of Computer Science and Technology, Xidian University, Xi&#x2019;an, China"],"raw_orcid":"https://orcid.org/0000-0003-0690-5321","affiliations":[{"raw_affiliation_string":"School of Computer Science and Technology, Xidian University, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031104973","display_name":"Xinghui Zhu","orcid":"https://orcid.org/0000-0002-7677-6193"},"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":"Xinghui Zhu","raw_affiliation_strings":["School of Computer Science and Technology, Xidian University, Xi&#x2019;an, China"],"raw_orcid":"https://orcid.org/0000-0002-7677-6193","affiliations":[{"raw_affiliation_string":"School of Computer Science and Technology, Xidian University, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5043356063","display_name":"Yulong Shen","orcid":"https://orcid.org/0000-0002-8448-705X"},"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":"Yulong Shen","raw_affiliation_strings":["School of Computer Science and Technology, Xidian University, Xi&#x2019;an, China"],"raw_orcid":"https://orcid.org/0000-0002-8448-705X","affiliations":[{"raw_affiliation_string":"School of Computer Science and Technology, Xidian University, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I149594827"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I149594827"],"apc_list":null,"apc_paid":null,"fwci":0.4626,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.61482961,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":"24","issue":"8","first_page":"6947","last_page":"6963"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10964","display_name":"Wireless Communication Security Techniques","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"}},"topics":[{"id":"https://openalex.org/T10964","display_name":"Wireless Communication Security Techniques","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"}},{"id":"https://openalex.org/T10069","display_name":"Antenna Design and Analysis","score":0.9954000115394592,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9934999942779541,"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/precoding","display_name":"Precoding","score":0.8155632019042969},{"id":"https://openalex.org/keywords/relay","display_name":"Relay","score":0.6819471120834351},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6679620742797852},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6482617259025574},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.4479203522205353},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.42545440793037415},{"id":"https://openalex.org/keywords/secrecy","display_name":"Secrecy","score":0.41331109404563904},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3787016272544861},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3426175117492676},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.13180598616600037},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.12466314435005188},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.11164084076881409},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.10094159841537476}],"concepts":[{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.8155632019042969},{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.6819471120834351},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6679620742797852},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6482617259025574},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.4479203522205353},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.42545440793037415},{"id":"https://openalex.org/C2776452267","wikidata":"https://www.wikidata.org/wiki/Q1503443","display_name":"Secrecy","level":2,"score":0.41331109404563904},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3787016272544861},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3426175117492676},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.13180598616600037},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.12466314435005188},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.11164084076881409},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.10094159841537476},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"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/twc.2025.3557058","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2025.3557058","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"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 Transactions on Wireless Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8799999952316284,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[{"id":"https://openalex.org/G2405502826","display_name":null,"funder_award_id":"ZDRC2202","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G4328264082","display_name":null,"funder_award_id":"92267204","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4953024436","display_name":null,"funder_award_id":"2024GX-YBXM-028","funder_id":"https://openalex.org/F4320336350","funder_display_name":"Key Research and Development Projects of Shaanxi Province"},{"id":"https://openalex.org/G5767509517","display_name":null,"funder_award_id":"62220106004","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6838048200","display_name":null,"funder_award_id":"62202355","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7995815166","display_name":null,"funder_award_id":"2023YFB3107500","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null},{"id":"https://openalex.org/F4320336350","display_name":"Key Research and Development Projects of Shaanxi Province","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":51,"referenced_works":["https://openalex.org/W187184694","https://openalex.org/W949353694","https://openalex.org/W1632601927","https://openalex.org/W1957358593","https://openalex.org/W1967956032","https://openalex.org/W1975233118","https://openalex.org/W2012702059","https://openalex.org/W2043769961","https://openalex.org/W2107384724","https://openalex.org/W2121130437","https://openalex.org/W2128153585","https://openalex.org/W2129457795","https://openalex.org/W2133406100","https://openalex.org/W2144007657","https://openalex.org/W2151263123","https://openalex.org/W2156214717","https://openalex.org/W2553663392","https://openalex.org/W2810305907","https://openalex.org/W2890933664","https://openalex.org/W2921466771","https://openalex.org/W2964113506","https://openalex.org/W2964345771","https://openalex.org/W3014982482","https://openalex.org/W3035029427","https://openalex.org/W3042888165","https://openalex.org/W3130559101","https://openalex.org/W3156593997","https://openalex.org/W3158743991","https://openalex.org/W3162603204","https://openalex.org/W3167450743","https://openalex.org/W3172818029","https://openalex.org/W3189657012","https://openalex.org/W3195333310","https://openalex.org/W3197663760","https://openalex.org/W3212677559","https://openalex.org/W3213367940","https://openalex.org/W4300029251","https://openalex.org/W4313054628","https://openalex.org/W4316021915","https://openalex.org/W4318586180","https://openalex.org/W4367032219","https://openalex.org/W4367032240","https://openalex.org/W4376604713","https://openalex.org/W4381785932","https://openalex.org/W4385800908","https://openalex.org/W4387869975","https://openalex.org/W4391128492","https://openalex.org/W4392082229","https://openalex.org/W4392207863","https://openalex.org/W4397000110","https://openalex.org/W4400448860"],"related_works":["https://openalex.org/W2493929861","https://openalex.org/W2152088989","https://openalex.org/W2016567611","https://openalex.org/W2756419127","https://openalex.org/W4366493479","https://openalex.org/W2905893439","https://openalex.org/W3135374966","https://openalex.org/W2475541339","https://openalex.org/W2489379490","https://openalex.org/W2141031289"],"abstract_inverted_index":{"This":[0],"paper":[1],"investigates":[2],"the":[3,31,35,46,79,94,104,111,117,122,126,149,155,160,165],"enhancement":[4],"of":[5,34,66,113,125],"secrecy":[6,105],"energy":[7,80],"efficiency":[8],"(SEE)":[9],"in":[10],"a":[11,51,72,87,131],"THz":[12],"MIMO":[13],"two-way":[14],"relay":[15,127],"system":[16,36],"utilizing":[17],"simultaneous":[18],"wireless":[19],"information":[20],"and":[21,25,40,43,64,83,116,130,146,164],"power":[22],"transfer":[23],"(SWIPT)":[24],"precoding":[26,41,84,128],"techniques.":[27],"We":[28],"first":[29],"model":[30],"SEE":[32,47,137,157],"metric":[33],"under":[37],"random":[38,166],"SWIPT":[39],"settings,":[42],"subsequently":[44],"formulate":[45],"maximization":[48,107],"problem":[49],"as":[50,59],"non-convex":[52],"programming":[53],"problem.":[54,108],"By":[55],"employing":[56],"techniques":[57],"such":[58],"Dinkelbach":[60],"transformation,":[61],"alternating":[62],"optimization,":[63],"difference":[65],"convex":[67],"programming,":[68],"we":[69,90,120],"then":[70],"develop":[71],"multi-level":[73],"theoretical":[74,96,144],"framework":[75,97],"to":[76,102,159],"jointly":[77],"optimize":[78],"splitting":[81],"factor":[82],"matrices.":[85],"As":[86],"special":[88],"case,":[89],"further":[91],"demonstrate":[92,147],"that":[93,148],"proposed":[95,150],"can":[98,152],"also":[99],"be":[100],"applied":[101],"solving":[103],"rate":[106],"Finally,":[109],"with":[110],"help":[112],"orthogonal-triangular":[114],"decomposition":[115],"Newton-Raphson":[118],"method,":[119],"provide":[121],"optimal":[123],"structure":[124],"matrix":[129],"low-complexity":[132],"suboptimal":[133],"solution":[134],"scheme":[135],"for":[136],"maximization.":[138],"Extensive":[139],"numerical":[140],"results":[141],"validate":[142],"our":[143],"findings":[145],"schemes":[151,163],"significantly":[153],"improve":[154],"system\u2019s":[156],"compared":[158],"conventional":[161],"microwave-based":[162],"baseline.":[167]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}
