{"id":"https://openalex.org/W1990198933","doi":"https://doi.org/10.1109/camad.2012.6335378","title":"A graph-coloring secondary resource allocation for D2D communications in LTE networks","display_name":"A graph-coloring secondary resource allocation for D2D communications in LTE networks","publication_year":2012,"publication_date":"2012-09-01","ids":{"openalex":"https://openalex.org/W1990198933","doi":"https://doi.org/10.1109/camad.2012.6335378","mag":"1990198933"},"language":"en","primary_location":{"id":"doi:10.1109/camad.2012.6335378","doi":"https://doi.org/10.1109/camad.2012.6335378","is_oa":false,"landing_page_url":"https://doi.org/10.1109/camad.2012.6335378","pdf_url":null,"source":{"id":"https://openalex.org/S7407087758","display_name":"IEEE International Workshop on Computer Aided Modeling and Design of Communication Links and Networks (CAMAD)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE 17th International Workshop on Computer Aided Modeling and Design of Communication Links and Networks (CAMAD)","raw_type":"proceedings-article"},"volume":null,"type":"conference-paper","is_traditional":true,"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/A5081897835","display_name":"Dimitris Tsolkas","orcid":"https://orcid.org/0000-0003-0301-3950","observed_orcids":["https://orcid.org/0000-0003-0301-3950"]},"institutions":[{"id":"https://openalex.org/I200777214","display_name":"National and Kapodistrian University of Athens","ror":"https://ror.org/04gnjpq42","country_code":"GR","type":"education","lineage":["https://openalex.org/I200777214"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Dimitris Tsolkas","raw_affiliation_strings":["University of Athens - Department of Informatics & Telecommunications Panepistimiopolis, Athens, Greece","University of Athens - Department of Informatics & Telecommunications, Panepistimiopolis, Ilissia, 15784, Greece"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Athens - Department of Informatics & Telecommunications Panepistimiopolis, Athens, Greece","institution_ids":["https://openalex.org/I200777214"]},{"raw_affiliation_string":"University of Athens - Department of Informatics & Telecommunications, Panepistimiopolis, Ilissia, 15784, Greece","institution_ids":["https://openalex.org/I200777214"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048483116","display_name":"Eirini Liotou","orcid":"https://orcid.org/0000-0003-1096-6864","observed_orcids":["https://orcid.org/0000-0003-1096-6864"]},"institutions":[{"id":"https://openalex.org/I47508984","display_name":"Imperial College London","ror":"https://ror.org/041kmwe10","country_code":"GB","type":"education","lineage":["https://openalex.org/I47508984"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Eirini Liotou","raw_affiliation_strings":["lmperial College London - Department of Electrical & Electronic Engineering South Kensington Campus, London, UK","Imperial College London - Department of Electrical & Electronic Engineering, South Kensington Campus, SW7 2AZ, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"lmperial College London - Department of Electrical & Electronic Engineering South Kensington Campus, London, UK","institution_ids":["https://openalex.org/I47508984"]},{"raw_affiliation_string":"Imperial College London - Department of Electrical & Electronic Engineering, South Kensington Campus, SW7 2AZ, UK","institution_ids":["https://openalex.org/I47508984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111712118","display_name":"Nikos I. Passas","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I200777214","display_name":"National and Kapodistrian University of Athens","ror":"https://ror.org/04gnjpq42","country_code":"GR","type":"education","lineage":["https://openalex.org/I200777214"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Nikos Passas","raw_affiliation_strings":["University of Athens - Department of Informatics & Telecommunications Panepistimiopolis, Athens, Greece","University of Athens - Department of Informatics & Telecommunications, Panepistimiopolis, Ilissia, 15784, Greece"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Athens - Department of Informatics & Telecommunications Panepistimiopolis, Athens, Greece","institution_ids":["https://openalex.org/I200777214"]},{"raw_affiliation_string":"University of Athens - Department of Informatics & Telecommunications, Panepistimiopolis, Ilissia, 15784, Greece","institution_ids":["https://openalex.org/I200777214"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5008482106","display_name":"Lazaros F. Merakos","orcid":"https://orcid.org/0000-0003-4822-2393","observed_orcids":["https://orcid.org/0000-0003-4822-2393"]},"institutions":[{"id":"https://openalex.org/I200777214","display_name":"National and Kapodistrian University of Athens","ror":"https://ror.org/04gnjpq42","country_code":"GR","type":"education","lineage":["https://openalex.org/I200777214"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Lazaros Merakos","raw_affiliation_strings":["University of Athens - Department of Informatics & Telecommunications Panepistimiopolis, Athens, Greece","University of Athens - Department of Informatics & Telecommunications, Panepistimiopolis, Ilissia, 15784, Greece"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Athens - Department of Informatics & Telecommunications Panepistimiopolis, Athens, Greece","institution_ids":["https://openalex.org/I200777214"]},{"raw_affiliation_string":"University of Athens - Department of Informatics & Telecommunications, Panepistimiopolis, Ilissia, 15784, Greece","institution_ids":["https://openalex.org/I200777214"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":10.1568,"has_fulltext":false,"cited_by_count":79,"citation_normalized_percentile":{"value":0.991688,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"56","last_page":"60"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9818999767303467,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9818999767303467,"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/T10575","display_name":"Wireless Communication Networks Research","score":0.00430000014603138,"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":0.004000000189989805,"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/device-to-device-communication","display_name":"device-to-device communication","score":0.9039999842643738},{"id":"https://openalex.org/keywords/lte-advanced","display_name":"LTE-Advanced","score":0.781000018119812},{"id":"https://openalex.org/keywords/graph-coloring","display_name":"graph coloring","score":0.9850000143051147},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"spectral efficiency","score":0.5379999876022339}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7752630114555359},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.7606350183486938},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.7471258640289307},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.6076667904853821},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.5032262206077576},{"id":"https://openalex.org/C17652562","wikidata":"https://www.wikidata.org/wiki/Q1345402","display_name":"LTE Advanced","level":3,"score":0.457746684551239},{"id":"https://openalex.org/C134579502","wikidata":"https://www.wikidata.org/wiki/Q1455619","display_name":"Frequency allocation","level":2,"score":0.44790738821029663},{"id":"https://openalex.org/C78834623","wikidata":"https://www.wikidata.org/wiki/Q640394","display_name":"Mobile broadband","level":3,"score":0.4403940439224243},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.4385311007499695},{"id":"https://openalex.org/C29202148","wikidata":"https://www.wikidata.org/wiki/Q287260","display_name":"Resource allocation","level":2,"score":0.4216078817844391},{"id":"https://openalex.org/C509933004","wikidata":"https://www.wikidata.org/wiki/Q194163","display_name":"Broadband","level":2,"score":0.42110028862953186},{"id":"https://openalex.org/C76946457","wikidata":"https://www.wikidata.org/wiki/Q504843","display_name":"Graph coloring","level":3,"score":0.41617551445961},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.260500967502594},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/camad.2012.6335378","doi":"https://doi.org/10.1109/camad.2012.6335378","is_oa":false,"landing_page_url":"https://doi.org/10.1109/camad.2012.6335378","pdf_url":null,"source":{"id":"https://openalex.org/S7407087758","display_name":"IEEE International Workshop on Computer Aided Modeling and Design of Communication Links and Networks (CAMAD)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE 17th International Workshop on Computer Aided Modeling and Design of Communication Links and Networks (CAMAD)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Industry, innovation and infrastructure","score":0.4943999946117401,"id":"https://metadata.un.org/sdg/9"}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320320300","display_name":"European Commission","ror":"https://ror.org/00k4n6c32"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W345637930","https://openalex.org/W1571729661","https://openalex.org/W1994004937","https://openalex.org/W2044576662","https://openalex.org/W2130171753","https://openalex.org/W2136375880","https://openalex.org/W2138580126","https://openalex.org/W2140656373","https://openalex.org/W2144369278","https://openalex.org/W2149165606","https://openalex.org/W2154459619","https://openalex.org/W2476848496"],"related_works":["https://openalex.org/W1971493099","https://openalex.org/W2294218331","https://openalex.org/W1567802099","https://openalex.org/W3120084843","https://openalex.org/W1621543847","https://openalex.org/W2062613106","https://openalex.org/W4360997171","https://openalex.org/W7104180252","https://openalex.org/W2060423460","https://openalex.org/W7056744473"],"abstract_inverted_index":{"The":[0,134],"Long":[1],"Term":[2],"Evolution":[3],"(LTE)":[4],"system,":[5],"and":[6,37,42,108],"especially":[7],"its":[8],"current":[9],"release,":[10],"LTE-Advanced,":[11],"is":[12,57,121,137],"considered":[13],"as":[14],"the":[15,24,29,47,60,68,77,84,103,113,165,176],"next":[16],"step":[17],"in":[18,67,83],"mobile":[19],"broadband":[20],"networks.":[21],"Two":[22],"of":[23,62],"main":[25],"challenges":[26],"faced":[27],"by":[28,92,139,147],"LTE":[30],"system":[31,124],"are:":[32],"i)":[33],"to":[34,44,58,123,132,150,175],"offer":[35],"ubiquitous":[36],"highly":[38],"reliable":[39],"wireless":[40],"services,":[41],"ii)":[43],"efficiently":[45],"utilize":[46],"assigned":[48,69],"spectrum":[49,98,160],"portion.":[50],"A":[51],"promising":[52],"approach":[53],"towards":[54],"this":[55,72],"direction":[56],"allow":[59],"establishment":[61],"direct":[63],"device-to-device":[64],"(D2D)":[65],"communications":[66],"spectrum.":[70],"In":[71],"paper,":[73],"we":[74],"study":[75],"how":[76],"traffic":[78,115],"load":[79],"between":[80],"users":[81,125],"located":[82],"same":[85],"cell":[86],"(intra-cell":[87],"communications)":[88],"can":[89,162,172],"be":[90,173],"served":[91],"D2D":[93],"transmissions":[94],"utilizing":[95],"uplink":[96],"spatial":[97,159],"opportunities.":[99],"Aiming":[100],"at":[101],"decongesting":[102],"base":[104],"station":[105],"(or":[106,126],"eNB)":[107],"letting":[109],"more":[110],"resources":[111],"for":[112,128],"inter-cell":[114,177],"(e.g.,":[116],"web":[117],"services)":[118],"extra":[119],"functionality":[120],"added":[122],"UEs)":[127],"providing":[129],"interference":[130],"information":[131,136],"eNB.":[133],"collected":[135],"represented":[138],"an":[140,152],"enriched":[141],"node":[142],"contention":[143],"graph":[144],"(eNCG)":[145],"utilized":[146],"graph-coloring":[148],"algorithms":[149],"provide":[151],"interference-free":[153],"secondary":[154],"allocation.":[155],"Results":[156],"show":[157],"that":[158],"opportunities":[161],"sufficiently":[163],"serve":[164],"intra-cell":[166],"traffic,":[167],"while":[168],"increased":[169],"data":[170],"rates":[171],"offered":[174],"traffic.":[178]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":7},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":9},{"year":2018,"cited_by_count":10},{"year":2017,"cited_by_count":7},{"year":2016,"cited_by_count":7},{"year":2015,"cited_by_count":10},{"year":2014,"cited_by_count":11},{"year":2013,"cited_by_count":4}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
