{"id":"https://openalex.org/W1971676140","doi":"https://doi.org/10.1109/glocom.2014.7037051","title":"Degrees of freedom for a two-cell relay network with soft handoffs","display_name":"Degrees of freedom for a two-cell relay network with soft handoffs","publication_year":2014,"publication_date":"2014-12-01","ids":{"openalex":"https://openalex.org/W1971676140","doi":"https://doi.org/10.1109/glocom.2014.7037051","mag":"1971676140"},"language":"en","primary_location":{"id":"doi:10.1109/glocom.2014.7037051","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2014.7037051","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE Global Communications Conference","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/A5008068890","display_name":"Ahmed S. Zamzam","orcid":"https://orcid.org/0000-0002-1175-2801"},"institutions":[{"id":"https://openalex.org/I57629906","display_name":"Nile University","ror":"https://ror.org/03cg7cp61","country_code":"EG","type":"education","lineage":["https://openalex.org/I57629906"]}],"countries":["EG"],"is_corresponding":false,"raw_author_name":"Ahmed S. Zamzam","raw_affiliation_strings":["Wireless Intelligent Networks Center (WINC), Nile University, Cairo, Egypt","Wireless Intelligent Networks Center (WINC) Nile University, Cairo, Egypt"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Wireless Intelligent Networks Center (WINC), Nile University, Cairo, Egypt","institution_ids":["https://openalex.org/I57629906"]},{"raw_affiliation_string":"Wireless Intelligent Networks Center (WINC) Nile University, Cairo, Egypt","institution_ids":["https://openalex.org/I57629906"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5080520203","display_name":"Amr El\u2010Keyi","orcid":"https://orcid.org/0000-0003-2903-4055"},"institutions":[{"id":"https://openalex.org/I57629906","display_name":"Nile University","ror":"https://ror.org/03cg7cp61","country_code":"EG","type":"education","lineage":["https://openalex.org/I57629906"]}],"countries":["EG"],"is_corresponding":false,"raw_author_name":"Amr El-Keyi","raw_affiliation_strings":["Wireless Intelligent Networks Center (WINC), Nile University, Cairo, Egypt","Wireless Intelligent Networks Center (WINC) Nile University, Cairo, Egypt"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Wireless Intelligent Networks Center (WINC), Nile University, Cairo, Egypt","institution_ids":["https://openalex.org/I57629906"]},{"raw_affiliation_string":"Wireless Intelligent Networks Center (WINC) Nile University, Cairo, Egypt","institution_ids":["https://openalex.org/I57629906"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019430933","display_name":"Mohammed Nafie","orcid":"https://orcid.org/0000-0002-9593-9517"},"institutions":[{"id":"https://openalex.org/I57629906","display_name":"Nile University","ror":"https://ror.org/03cg7cp61","country_code":"EG","type":"education","lineage":["https://openalex.org/I57629906"]}],"countries":["EG"],"is_corresponding":false,"raw_author_name":"Mohammed Nafie","raw_affiliation_strings":["Wireless Intelligent Networks Center (WINC), Nile University, Cairo, Egypt","Wireless Intelligent Networks Center (WINC) Nile University, Cairo, Egypt"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Wireless Intelligent Networks Center (WINC), Nile University, Cairo, Egypt","institution_ids":["https://openalex.org/I57629906"]},{"raw_affiliation_string":"Wireless Intelligent Networks Center (WINC) Nile University, Cairo, Egypt","institution_ids":["https://openalex.org/I57629906"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5000161112","display_name":"Yahya Mohasseb","orcid":"https://orcid.org/0000-0002-9989-0693"},"institutions":[{"id":"https://openalex.org/I4210100308","display_name":"Military Technical College","ror":"https://ror.org/01337pb37","country_code":"EG","type":"education","lineage":["https://openalex.org/I4210100308"]}],"countries":["EG"],"is_corresponding":false,"raw_author_name":"Yahya Mohasseb","raw_affiliation_strings":["Department of Communications, The Military Technical College, Cairo, Egypt"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Communications, The Military Technical College, Cairo, Egypt","institution_ids":["https://openalex.org/I4210100308"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.3599,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.64351047,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"1685","last_page":"1691"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9997000098228455,"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":0.9997000098228455,"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/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9968000054359436,"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":0.9965999722480774,"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/base-station","display_name":"Base station","score":0.8951359391212463},{"id":"https://openalex.org/keywords/relay","display_name":"Relay","score":0.825284481048584},{"id":"https://openalex.org/keywords/degrees-of-freedom","display_name":"Degrees of freedom (physics and chemistry)","score":0.6074284911155701},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.5905447006225586},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5868378281593323},{"id":"https://openalex.org/keywords/cellular-network","display_name":"Cellular network","score":0.5547545552253723},{"id":"https://openalex.org/keywords/mobile-station","display_name":"Mobile station","score":0.5347691178321838},{"id":"https://openalex.org/keywords/upper-and-lower-bounds","display_name":"Upper and lower bounds","score":0.5237025022506714},{"id":"https://openalex.org/keywords/mobile-telephony","display_name":"Mobile telephony","score":0.4868277907371521},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.4789719879627228},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.4195794463157654},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.37113863229751587},{"id":"https://openalex.org/keywords/mobile-radio","display_name":"Mobile radio","score":0.32617121934890747},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.2843054533004761},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.23281484842300415},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1363498568534851},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.10946905612945557},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.09436500072479248},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.056101590394973755}],"concepts":[{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.8951359391212463},{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.825284481048584},{"id":"https://openalex.org/C208081375","wikidata":"https://www.wikidata.org/wiki/Q274502","display_name":"Degrees of freedom (physics and chemistry)","level":2,"score":0.6074284911155701},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.5905447006225586},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5868378281593323},{"id":"https://openalex.org/C153646914","wikidata":"https://www.wikidata.org/wiki/Q535695","display_name":"Cellular network","level":2,"score":0.5547545552253723},{"id":"https://openalex.org/C207029474","wikidata":"https://www.wikidata.org/wiki/Q384018","display_name":"Mobile station","level":3,"score":0.5347691178321838},{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.5237025022506714},{"id":"https://openalex.org/C95491727","wikidata":"https://www.wikidata.org/wiki/Q992968","display_name":"Mobile telephony","level":3,"score":0.4868277907371521},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.4789719879627228},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.4195794463157654},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.37113863229751587},{"id":"https://openalex.org/C2781307350","wikidata":"https://www.wikidata.org/wiki/Q6887221","display_name":"Mobile radio","level":2,"score":0.32617121934890747},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.2843054533004761},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.23281484842300415},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1363498568534851},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.10946905612945557},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.09436500072479248},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.056101590394973755},{"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/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/glocom.2014.7037051","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2014.7037051","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE Global Communications Conference","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16","score":0.8199999928474426}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W1972647389","https://openalex.org/W2030761761","https://openalex.org/W2066806908","https://openalex.org/W2076234844","https://openalex.org/W2076853942","https://openalex.org/W2096894591","https://openalex.org/W2106549261","https://openalex.org/W2133149827","https://openalex.org/W2162370583","https://openalex.org/W2953293975","https://openalex.org/W2963802928","https://openalex.org/W6665745467"],"related_works":["https://openalex.org/W3003419070","https://openalex.org/W2124540127","https://openalex.org/W3197108443","https://openalex.org/W1973366582","https://openalex.org/W2155697974","https://openalex.org/W2035945798","https://openalex.org/W2352804066","https://openalex.org/W3005927381","https://openalex.org/W1503570654","https://openalex.org/W3009067413"],"abstract_inverted_index":{"In":[0,49],"this":[1],"paper":[2],"we":[3,131],"investigate":[4],"the":[5,31,41,68,71,75,91,111,124,142,146],"degrees":[6,112],"of":[7,9,16,113,123,151],"freedom":[8,114],"a":[10,121],"cellular":[11],"relay":[12],"network":[13],"that":[14,136],"consists":[15],"two":[17,20,92],"base":[18,28,52,72,97],"stations,":[19],"mobile":[21,32,60,76],"stations":[22,29,33,73],"and":[23,30,128,153],"four":[24],"decode-and-forward":[25],"relays.":[26],"The":[27,62],"are":[34,43,64],"equipped":[35,44],"with":[36,45,95],"M":[37,152],"antennas":[38,47],"each,":[39],"whereas":[40],"relays":[42,63,93],"N":[46,127,154],"each.":[48],"addition,":[50],"each":[51,59,96,117],"station":[53,77,98],"has":[54],"an":[55,107,133],"independent":[56],"message":[57],"to":[58,66,74,140],"station.":[61],"used":[65],"froward":[67],"messages":[69],"from":[70],"as":[78,120],"there":[79],"is":[80],"no":[81],"direct":[82],"link.":[83],"We":[84,105],"consider":[85],"three":[86],"different":[87],"relaying":[88,118],"architectures":[89],"where":[90],"associated":[94],"simultaneously":[99],"or":[100],"alternately":[101],"transmit":[102],"their":[103],"messages.":[104],"derive":[106],"upper":[108,143],"bound":[109,144],"on":[110,145],"achievable":[115,134],"by":[116],"architecture":[119],"function":[122],"ratio":[125],"between":[126],"M.":[129],"Furthermore,":[130],"propose":[132],"scheme":[135],"uses":[137],"interference":[138],"alignment":[139],"achieve":[141],"DoF":[147],"for":[148,156],"all":[149],"values":[150],"except":[155],"1":[157],"\u2264":[158,160],"N/M":[159],"5/2.":[161]},"counts_by_year":[{"year":2015,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}