{"id":"https://openalex.org/W2036185560","doi":"https://doi.org/10.1109/tit.2014.2372014","title":"Delay Optimal Buffered Decode-and-Forward for Two-Hop Networks With Random Link Connectivity","display_name":"Delay Optimal Buffered Decode-and-Forward for Two-Hop Networks With Random Link Connectivity","publication_year":2014,"publication_date":"2014-11-20","ids":{"openalex":"https://openalex.org/W2036185560","doi":"https://doi.org/10.1109/tit.2014.2372014","mag":"2036185560"},"language":"en","primary_location":{"id":"doi:10.1109/tit.2014.2372014","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tit.2014.2372014","pdf_url":null,"source":{"id":"https://openalex.org/S4502562","display_name":"IEEE Transactions on Information Theory","issn_l":"0018-9448","issn":["0018-9448","1557-9654"],"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 Information Theory","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/A5071987706","display_name":"Ying Cui","orcid":"https://orcid.org/0000-0003-3181-9775"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Ying Cui","raw_affiliation_strings":["Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai, China","Department of Electronic Engineering, Shanghai Jiao-Tong University, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]},{"raw_affiliation_string":"Department of Electronic Engineering, Shanghai Jiao-Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073153992","display_name":"Vincent K. N. Lau","orcid":"https://orcid.org/0000-0001-7769-6008"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Vincent K. N. Lau","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Hong Kong University of Science and Technology, Hong Kong"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Hong Kong University of Science and Technology, Hong Kong","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5012484312","display_name":"Edmund Yeh","orcid":"https://orcid.org/0000-0002-9544-1567"},"institutions":[{"id":"https://openalex.org/I12912129","display_name":"Northeastern University","ror":"https://ror.org/04t5xt781","country_code":"US","type":"education","lineage":["https://openalex.org/I12912129"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Edmund Yeh","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Northeastern University, Boston, MA, USA","[Department of Electrical and computer Engineering, Northeastern University, Boston, MA, USA]"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Northeastern University, Boston, MA, USA","institution_ids":["https://openalex.org/I12912129"]},{"raw_affiliation_string":"[Department of Electrical and computer Engineering, Northeastern University, Boston, MA, USA]","institution_ids":["https://openalex.org/I12912129"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5071987706"],"corresponding_institution_ids":["https://openalex.org/I183067930"],"apc_list":null,"apc_paid":null,"fwci":2.0689,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.88259915,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"61","issue":"1","first_page":"404","last_page":"425"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9998999834060669,"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/T11409","display_name":"Advanced Wireless Network 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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9998000264167786,"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/asymptotically-optimal-algorithm","display_name":"Asymptotically optimal algorithm","score":0.7388034462928772},{"id":"https://openalex.org/keywords/relay","display_name":"Relay","score":0.6293938159942627},{"id":"https://openalex.org/keywords/independent-and-identically-distributed-random-variables","display_name":"Independent and identically distributed random variables","score":0.5939287543296814},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.521729588508606},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.4645616114139557},{"id":"https://openalex.org/keywords/network-packet","display_name":"Network packet","score":0.4531668424606323},{"id":"https://openalex.org/keywords/wireless-network","display_name":"Wireless network","score":0.4309362471103668},{"id":"https://openalex.org/keywords/linear-network-coding","display_name":"Linear network coding","score":0.4294382631778717},{"id":"https://openalex.org/keywords/queue","display_name":"Queue","score":0.4269860088825226},{"id":"https://openalex.org/keywords/node","display_name":"Node (physics)","score":0.4182160496711731},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3779139220714569},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.32602453231811523},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.319439560174942},{"id":"https://openalex.org/keywords/random-variable","display_name":"Random variable","score":0.31129908561706543},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.2916316092014313},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.2441052794456482},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.16106271743774414},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.15694937109947205},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.10321807861328125}],"concepts":[{"id":"https://openalex.org/C181789720","wikidata":"https://www.wikidata.org/wiki/Q4812191","display_name":"Asymptotically optimal algorithm","level":2,"score":0.7388034462928772},{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.6293938159942627},{"id":"https://openalex.org/C141513077","wikidata":"https://www.wikidata.org/wiki/Q378542","display_name":"Independent and identically distributed random variables","level":3,"score":0.5939287543296814},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.521729588508606},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.4645616114139557},{"id":"https://openalex.org/C158379750","wikidata":"https://www.wikidata.org/wiki/Q214111","display_name":"Network packet","level":2,"score":0.4531668424606323},{"id":"https://openalex.org/C108037233","wikidata":"https://www.wikidata.org/wiki/Q11375","display_name":"Wireless network","level":3,"score":0.4309362471103668},{"id":"https://openalex.org/C138293262","wikidata":"https://www.wikidata.org/wiki/Q1089578","display_name":"Linear network coding","level":3,"score":0.4294382631778717},{"id":"https://openalex.org/C160403385","wikidata":"https://www.wikidata.org/wiki/Q220543","display_name":"Queue","level":2,"score":0.4269860088825226},{"id":"https://openalex.org/C62611344","wikidata":"https://www.wikidata.org/wiki/Q1062658","display_name":"Node (physics)","level":2,"score":0.4182160496711731},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3779139220714569},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.32602453231811523},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.319439560174942},{"id":"https://openalex.org/C122123141","wikidata":"https://www.wikidata.org/wiki/Q176623","display_name":"Random variable","level":2,"score":0.31129908561706543},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.2916316092014313},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.2441052794456482},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.16106271743774414},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.15694937109947205},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.10321807861328125},{"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/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"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}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tit.2014.2372014","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tit.2014.2372014","pdf_url":null,"source":{"id":"https://openalex.org/S4502562","display_name":"IEEE Transactions on Information Theory","issn_l":"0018-9448","issn":["0018-9448","1557-9654"],"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 Information Theory","raw_type":"journal-article"},{"id":"pmh:oai:repository.hkust.edu.hk:1783.1-67648","is_oa":false,"landing_page_url":"http://repository.hkust.edu.hk/ir/Record/1783.1-67648","pdf_url":null,"source":{"id":"https://openalex.org/S4306401796","display_name":"Rare & Special e-Zone (The Hong Kong University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I200769079","host_organization_name":"Hong Kong University of Science and Technology","host_organization_lineage":["https://openalex.org/I200769079"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W1606815489","https://openalex.org/W1972770660","https://openalex.org/W1976009562","https://openalex.org/W1976442494","https://openalex.org/W2038007012","https://openalex.org/W2040150847","https://openalex.org/W2040496561","https://openalex.org/W2075687394","https://openalex.org/W2091769623","https://openalex.org/W2098432798","https://openalex.org/W2105177639","https://openalex.org/W2118699182","https://openalex.org/W2142363699","https://openalex.org/W2142477559","https://openalex.org/W2142853327","https://openalex.org/W2152121970","https://openalex.org/W2154756494","https://openalex.org/W2155611422","https://openalex.org/W2156006461","https://openalex.org/W2168653914","https://openalex.org/W2171310684","https://openalex.org/W2484957131","https://openalex.org/W3101637649","https://openalex.org/W4255052368","https://openalex.org/W4297970702","https://openalex.org/W4297972233","https://openalex.org/W6636329224","https://openalex.org/W6684856111"],"related_works":["https://openalex.org/W2347733609","https://openalex.org/W2605475288","https://openalex.org/W1979026279","https://openalex.org/W2292976891","https://openalex.org/W2128683635","https://openalex.org/W4245457074","https://openalex.org/W4240383795","https://openalex.org/W2066502241","https://openalex.org/W2008809748","https://openalex.org/W2951620698"],"abstract_inverted_index":{"Delay":[0],"optimal":[1,21,56,105,124,192],"control":[2,22],"of":[3,23,164,179],"multi-hop":[4],"networks":[5],"remains":[6],"a":[7,24,67,72,81,94,134,138,157],"challenging":[8],"problem":[9],"even":[10],"in":[11,107,126],"the":[12,35,39,61,77,108,111,114,117,127,153,177,184,189],"simplest":[13],"scenarios.":[14],"In":[15,151],"this":[16],"paper,":[17],"we":[18,79,119,182],"consider":[19],"delay":[20,55,104,123,186,191],"two-hop":[25],"half-duplex":[26,73],"network":[27],"with":[28,44],"independent":[29],"identically":[30],"distributed":[31],"ON-OFF":[32],"fading.":[33],"Both":[34],"source":[36],"node":[37,41],"and":[38,47,116,137,167,176],"relay":[40,149],"are":[42],"equipped":[43],"infinite":[45],"buffers":[46],"have":[48],"exogenous":[49],"bit":[50],"arrivals.":[51],"We":[52,100],"focus":[53],"on":[54],"link":[57],"selection":[58],"to":[59,71],"minimize":[60],"average":[62,185],"sum":[63],"queue":[64],"length":[65],"over":[66],"finite":[68],"horizon":[69],"subject":[70],"constraint.":[74],"To":[75],"solve":[76],"problem,":[78],"introduce":[80],"new":[82],"approach,":[83],"whereby":[84],"an":[85,102,121],"actual":[86],"discrete":[87],"time":[88,97],"system":[89,98],"(ADTS)":[90],"is":[91],"approximated":[92],"using":[93,173],"virtual":[95],"continuous":[96],"(VCTS).":[99],"obtain":[101,120],"asymptotically":[103,122,190],"policy":[106,125,131,155],"VCTS.":[109],"Using":[110],"relationship":[112],"between":[113],"VCTS":[115],"ADTS,":[118],"ADTS.":[128],"The":[129],"obtained":[130,154],"has":[132,156],"both":[133],"priority":[135],"feature":[136],"safety":[139],"stock":[140],"feature.":[141],"It":[142],"offers":[143],"good":[144],"design":[145],"insights":[146],"for":[147],"wireless":[148],"networks.":[150],"addition,":[152],"closed-form":[158],"expression,":[159],"does":[160],"not":[161],"require":[162],"knowledge":[163],"arrival":[165],"statistics,":[166],"can":[168],"be":[169],"implemented":[170],"online.":[171],"Finally,":[172],"renewal":[174],"theory":[175,178],"random":[180],"walks,":[181],"analyze":[183],"resulting":[187],"from":[188],"policy.":[193]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":2},{"year":2015,"cited_by_count":4}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}