{"id":"https://openalex.org/W2555982352","doi":"https://doi.org/10.1109/spcom.2016.7746612","title":"Secure amplify-and-forward relaying in linear chains with a single eavesdropper","display_name":"Secure amplify-and-forward relaying in linear chains with a single eavesdropper","publication_year":2016,"publication_date":"2016-06-01","ids":{"openalex":"https://openalex.org/W2555982352","doi":"https://doi.org/10.1109/spcom.2016.7746612","mag":"2555982352"},"language":"en","primary_location":{"id":"doi:10.1109/spcom.2016.7746612","is_oa":false,"landing_page_url":"https://doi.org/10.1109/spcom.2016.7746612","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2016 International Conference on Signal Processing and Communications (SPCOM)","raw_type":"proceedings-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/A5031813928","display_name":"Tulika Agrawal","orcid":null},"institutions":[{"id":"https://openalex.org/I9579091","display_name":"Indian Institute of Technology Mandi","ror":"https://ror.org/05r9r2f34","country_code":"IN","type":"education","lineage":["https://openalex.org/I9579091"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Tulika Agrawal","raw_affiliation_strings":["School of Computing and Electrical Engineering, Indian Institute of Technology, Mandi, HP, India"],"affiliations":[{"raw_affiliation_string":"School of Computing and Electrical Engineering, Indian Institute of Technology, Mandi, HP, India","institution_ids":["https://openalex.org/I9579091"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5055723059","display_name":"Samar Agnihotri","orcid":"https://orcid.org/0000-0003-3038-2479"},"institutions":[{"id":"https://openalex.org/I9579091","display_name":"Indian Institute of Technology Mandi","ror":"https://ror.org/05r9r2f34","country_code":"IN","type":"education","lineage":["https://openalex.org/I9579091"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Samar Agnihotri","raw_affiliation_strings":["School of Computing and Electrical Engineering, Indian Institute of Technology, Mandi, HP, India"],"affiliations":[{"raw_affiliation_string":"School of Computing and Electrical Engineering, Indian Institute of Technology, Mandi, HP, India","institution_ids":["https://openalex.org/I9579091"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5031813928"],"corresponding_institution_ids":["https://openalex.org/I9579091"],"apc_list":null,"apc_paid":null,"fwci":0.3675,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.67073105,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"it 54","issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10964","display_name":"Wireless Communication Security Techniques","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/T10964","display_name":"Wireless Communication Security Techniques","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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9994000196456909,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11498","display_name":"Security in Wireless Sensor Networks","score":0.9726999998092651,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/relay","display_name":"Relay","score":0.7761057615280151},{"id":"https://openalex.org/keywords/unicast","display_name":"Unicast","score":0.7716370224952698},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7445902824401855},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.6607897877693176},{"id":"https://openalex.org/keywords/secrecy","display_name":"Secrecy","score":0.5457836389541626},{"id":"https://openalex.org/keywords/node","display_name":"Node (physics)","score":0.5351212024688721},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.49304863810539246},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.4656902551651001},{"id":"https://openalex.org/keywords/relay-channel","display_name":"Relay channel","score":0.4345484673976898},{"id":"https://openalex.org/keywords/wireless-network","display_name":"Wireless network","score":0.4275771379470825},{"id":"https://openalex.org/keywords/secure-communication","display_name":"Secure communication","score":0.42589783668518066},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.41764673590660095},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.19804692268371582},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.15873503684997559},{"id":"https://openalex.org/keywords/multicast","display_name":"Multicast","score":0.13177019357681274},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.09722280502319336},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.09462815523147583},{"id":"https://openalex.org/keywords/encryption","display_name":"Encryption","score":0.09338077902793884}],"concepts":[{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.7761057615280151},{"id":"https://openalex.org/C11704745","wikidata":"https://www.wikidata.org/wiki/Q918337","display_name":"Unicast","level":3,"score":0.7716370224952698},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7445902824401855},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.6607897877693176},{"id":"https://openalex.org/C2776452267","wikidata":"https://www.wikidata.org/wiki/Q1503443","display_name":"Secrecy","level":2,"score":0.5457836389541626},{"id":"https://openalex.org/C62611344","wikidata":"https://www.wikidata.org/wiki/Q1062658","display_name":"Node (physics)","level":2,"score":0.5351212024688721},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.49304863810539246},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.4656902551651001},{"id":"https://openalex.org/C46257984","wikidata":"https://www.wikidata.org/wiki/Q7310895","display_name":"Relay channel","level":4,"score":0.4345484673976898},{"id":"https://openalex.org/C108037233","wikidata":"https://www.wikidata.org/wiki/Q11375","display_name":"Wireless network","level":3,"score":0.4275771379470825},{"id":"https://openalex.org/C510870077","wikidata":"https://www.wikidata.org/wiki/Q7444868","display_name":"Secure communication","level":3,"score":0.42589783668518066},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.41764673590660095},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.19804692268371582},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.15873503684997559},{"id":"https://openalex.org/C32295351","wikidata":"https://www.wikidata.org/wiki/Q899288","display_name":"Multicast","level":2,"score":0.13177019357681274},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.09722280502319336},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.09462815523147583},{"id":"https://openalex.org/C148730421","wikidata":"https://www.wikidata.org/wiki/Q141090","display_name":"Encryption","level":2,"score":0.09338077902793884},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","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/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/spcom.2016.7746612","is_oa":false,"landing_page_url":"https://doi.org/10.1109/spcom.2016.7746612","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2016 International Conference on Signal Processing and Communications (SPCOM)","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":22,"referenced_works":["https://openalex.org/W1984540590","https://openalex.org/W1986090422","https://openalex.org/W1989840033","https://openalex.org/W2000045365","https://openalex.org/W2007529001","https://openalex.org/W2043769961","https://openalex.org/W2080693943","https://openalex.org/W2092086200","https://openalex.org/W2104830524","https://openalex.org/W2111398884","https://openalex.org/W2115724631","https://openalex.org/W2121881701","https://openalex.org/W2123423317","https://openalex.org/W2128153585","https://openalex.org/W2130334496","https://openalex.org/W2133406100","https://openalex.org/W2138203492","https://openalex.org/W2142102521","https://openalex.org/W2145913720","https://openalex.org/W2159687282","https://openalex.org/W3100058843","https://openalex.org/W6683724309"],"related_works":["https://openalex.org/W2608897767","https://openalex.org/W2963768675","https://openalex.org/W2153829573","https://openalex.org/W2099376255","https://openalex.org/W2004047158","https://openalex.org/W2119153672","https://openalex.org/W2993015344","https://openalex.org/W1559320887","https://openalex.org/W2374704553","https://openalex.org/W2082611414"],"abstract_inverted_index":{"The":[0,155],"problem":[1,27,136],"of":[2,17,35,92,113,143,158,169],"secure":[3],"unicast":[4],"communication":[5],"over":[6,57,109],"multihop":[7],"wireless":[8],"relay":[9,41,60,182],"networks":[10,144],"with":[11,54,130,151],"directed":[12],"links":[13],"in":[14,31,82,191],"the":[15,23,36,51,55,93,106,123,132,166,174,183,194,207,212],"presence":[16],"an":[18],"eavesdropper":[19,184],"is":[20,161,201],"considered.":[21],"In":[22],"existing":[24],"literature":[25],"this":[26,159],"has":[28],"been":[29],"considered":[30,150],"one":[32,91],"or":[33],"both":[34],"following":[37],"two":[38],"scenarios:":[39],"(A)":[40],"nodes":[42],"employ":[43],"relaying":[44,67,95,153],"schemes,":[45],"such":[46,69],"as":[47,70],"Decode-and-Forward":[48],"(DF),":[49],"(B)":[50],"source":[52],"communicates":[53],"destination":[56],"a":[58,110,203],"two-hop":[59],"network.":[61],"We":[62,163],"argue":[63],"that":[64,99,147,172,190],"computationally":[65],"complex":[66],"schemes":[68],"DF":[71],"render":[72],"end-to-end":[73,133],"performance":[74,80,108,134],"characterization":[75,135],"intractable,":[76],"without":[77],"providing":[78],"any":[79],"guarantee":[81],"general":[83],"channel":[84,114],"and":[85,121],"network":[86],"scenarios.":[87],"Therefore,":[88],"we":[89,188],"consider":[90],"simplest":[94],"scheme:":[96],"Amplify-and-Forward":[97],"(AF)":[98],"allows":[100],"us":[101],"to":[102],"provide":[103,165],"guarantees":[104],"on":[105,211],"optimal":[107,167,195],"wide":[111],"range":[112],"conditions.":[115],"A":[116],"node":[117],"performing":[118],"AF-relaying":[119,131],"scales":[120],"forwards":[122],"signal":[124],"received":[125],"at":[126],"its":[127],"input.":[128],"Further,":[129,187],"remains":[137],"tractable":[138],"for":[139],"much":[140],"larger":[141],"class":[142],"than":[145],"those":[146],"can":[148],"be":[149],"other":[152],"schemes.":[154],"key":[156],"contribution":[157],"work":[160],"twofold.":[162],"first":[164],"vector":[168],"scaling":[170],"factors":[171],"maximizes":[173],"achievable":[175],"AF":[176,196],"secrecy":[177,197,213],"rate,":[178],"no":[179],"matter":[180],"which":[181],"listens":[185],"to.":[186],"prove":[189],"high-SNR":[192],"regime,":[193],"rate":[198],"thus":[199],"achieved":[200],"within":[202],"constant":[204],"gap":[205],"from":[206],"cutset":[208],"upper":[209],"bound":[210],"capacity.":[214]},"counts_by_year":[{"year":2018,"cited_by_count":1},{"year":2016,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
