{"id":"https://openalex.org/W2773872233","doi":"https://doi.org/10.1109/access.2017.2782763","title":"A New Processing Approach for Reducing Computational Complexity in Cloud-RAN Mobile Networks","display_name":"A New Processing Approach for Reducing Computational Complexity in Cloud-RAN Mobile Networks","publication_year":2017,"publication_date":"2017-12-13","ids":{"openalex":"https://openalex.org/W2773872233","doi":"https://doi.org/10.1109/access.2017.2782763","mag":"2773872233"},"language":"en","primary_location":{"id":"doi:10.1109/access.2017.2782763","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2017.2782763","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1109/access.2017.2782763","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5086623451","display_name":"Ali M. Mahmood","orcid":"https://orcid.org/0000-0002-3507-6510"},"institutions":[{"id":"https://openalex.org/I171256487","display_name":"University of Technology - Iraq","ror":"https://ror.org/01w1ehb86","country_code":"IQ","type":"education","lineage":["https://openalex.org/I171256487"]}],"countries":["IQ"],"is_corresponding":true,"raw_author_name":"Ali M. Mahmood","raw_affiliation_strings":["University of Salford, Manchester, U.K","University of Technology, Iraq, Baghdad, Iraq"],"affiliations":[{"raw_affiliation_string":"University of Salford, Manchester, U.K","institution_ids":[]},{"raw_affiliation_string":"University of Technology, Iraq, Baghdad, Iraq","institution_ids":["https://openalex.org/I171256487"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023454360","display_name":"Adil Al-Yasiri","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Adil Al-Yasiri","raw_affiliation_strings":["University of Salford, Manchester, U.K"],"affiliations":[{"raw_affiliation_string":"University of Salford, Manchester, U.K","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5057830633","display_name":"Omar Alani","orcid":"https://orcid.org/0000-0002-5848-9107"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Omar Y. K. Alani","raw_affiliation_strings":["University of Salford, Manchester, U.K"],"affiliations":[{"raw_affiliation_string":"University of Salford, Manchester, U.K","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5086623451"],"corresponding_institution_ids":["https://openalex.org/I171256487"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":0.43,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.66686937,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"6","issue":null,"first_page":"6927","last_page":"6946"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":1.0,"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":1.0,"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":0.9998999834060669,"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/T11458","display_name":"Advanced Wireless Communication Technologies","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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7603094577789307},{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.7217657566070557},{"id":"https://openalex.org/keywords/radio-access-network","display_name":"Radio access network","score":0.590022087097168},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.5453971028327942},{"id":"https://openalex.org/keywords/c-ran","display_name":"C-RAN","score":0.5001447200775146},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.47410374879837036},{"id":"https://openalex.org/keywords/cellular-network","display_name":"Cellular network","score":0.4181445837020874},{"id":"https://openalex.org/keywords/computational-resource","display_name":"Computational resource","score":0.4154411554336548},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4073518216609955},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3463869094848633},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.2894321084022522},{"id":"https://openalex.org/keywords/mobile-station","display_name":"Mobile station","score":0.10107243061065674},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.08812949061393738},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.07162678241729736}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7603094577789307},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.7217657566070557},{"id":"https://openalex.org/C106365562","wikidata":"https://www.wikidata.org/wiki/Q3078360","display_name":"Radio access network","level":4,"score":0.590022087097168},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.5453971028327942},{"id":"https://openalex.org/C2779765720","wikidata":"https://www.wikidata.org/wiki/Q5005908","display_name":"C-RAN","level":5,"score":0.5001447200775146},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.47410374879837036},{"id":"https://openalex.org/C153646914","wikidata":"https://www.wikidata.org/wiki/Q535695","display_name":"Cellular network","level":2,"score":0.4181445837020874},{"id":"https://openalex.org/C127964446","wikidata":"https://www.wikidata.org/wiki/Q1092142","display_name":"Computational resource","level":3,"score":0.4154411554336548},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4073518216609955},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3463869094848633},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.2894321084022522},{"id":"https://openalex.org/C207029474","wikidata":"https://www.wikidata.org/wiki/Q384018","display_name":"Mobile station","level":3,"score":0.10107243061065674},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.08812949061393738},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.07162678241729736}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/access.2017.2782763","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2017.2782763","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:usir.salford.ac.uk:46910","is_oa":true,"landing_page_url":null,"pdf_url":"http://usir.salford.ac.uk/id/eprint/46910/1/ACCESS2782763%20%281%29.pdf","source":{"id":"https://openalex.org/S4306401501","display_name":"University of Salford Institutional Repository (University of Salford)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I54459138","host_organization_name":"University of Salford","host_organization_lineage":["https://openalex.org/I54459138"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Article"},{"id":"pmh:oai:doaj.org/article:d344d3b818cd4cc5a3128b111ceb29fa","is_oa":true,"landing_page_url":"https://doaj.org/article/d344d3b818cd4cc5a3128b111ceb29fa","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 6, Pp 6927-6946 (2018)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2017.2782763","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2017.2782763","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":62,"referenced_works":["https://openalex.org/W64867182","https://openalex.org/W173265502","https://openalex.org/W585842056","https://openalex.org/W1486014845","https://openalex.org/W1489528905","https://openalex.org/W1557900986","https://openalex.org/W1564553253","https://openalex.org/W1733806262","https://openalex.org/W1938195807","https://openalex.org/W1975243734","https://openalex.org/W1992409097","https://openalex.org/W1994614736","https://openalex.org/W2002141301","https://openalex.org/W2006140865","https://openalex.org/W2016613628","https://openalex.org/W2017490985","https://openalex.org/W2019905317","https://openalex.org/W2027404433","https://openalex.org/W2035443174","https://openalex.org/W2035476608","https://openalex.org/W2038470600","https://openalex.org/W2043670592","https://openalex.org/W2047468088","https://openalex.org/W2061134945","https://openalex.org/W2093893649","https://openalex.org/W2100548565","https://openalex.org/W2122385067","https://openalex.org/W2122756205","https://openalex.org/W2131750568","https://openalex.org/W2132904887","https://openalex.org/W2136001068","https://openalex.org/W2138791376","https://openalex.org/W2154562144","https://openalex.org/W2154632851","https://openalex.org/W2157195543","https://openalex.org/W2173213060","https://openalex.org/W2176922481","https://openalex.org/W2216412688","https://openalex.org/W2227902027","https://openalex.org/W2284883540","https://openalex.org/W2289834751","https://openalex.org/W2292597802","https://openalex.org/W2292656782","https://openalex.org/W2313213765","https://openalex.org/W2315072896","https://openalex.org/W2320472932","https://openalex.org/W2342148475","https://openalex.org/W2441585200","https://openalex.org/W2501289763","https://openalex.org/W2520873811","https://openalex.org/W2534633768","https://openalex.org/W2563926350","https://openalex.org/W2596005034","https://openalex.org/W2605344455","https://openalex.org/W2624089268","https://openalex.org/W3100645296","https://openalex.org/W3151176775","https://openalex.org/W4237992594","https://openalex.org/W4285719527","https://openalex.org/W6607074389","https://openalex.org/W6628751669","https://openalex.org/W6912934262"],"related_works":["https://openalex.org/W2592537445","https://openalex.org/W2117039245","https://openalex.org/W2497039592","https://openalex.org/W4287262510","https://openalex.org/W2436923341","https://openalex.org/W3138350675","https://openalex.org/W2064969374","https://openalex.org/W2944278712","https://openalex.org/W2949276835","https://openalex.org/W2602642785"],"abstract_inverted_index":{"Cloud":[0,48],"computing":[1,67,71],"is":[2,20,102,171,179],"considered":[3],"as":[4,57,68,96,105],"one":[5],"of":[6,14,34,40,65,77,85,99,108,118,135,141,175,182,190,228,252],"the":[7,11,23,63,75,82,87,92,97,100,139,143,172,180,188,197,210,226,245,250],"key":[8],"drivers":[9],"for":[10],"next":[12],"generation":[13],"mobile":[15,27,44],"networks":[16],"(e.g.":[17,46],"5G).":[18],"This":[19,130],"combined":[21],"with":[22,36],"dramatic":[24],"expansion":[25],"in":[26,91,110,138,146,201,234,243,249],"networks,":[28],"involving":[29],"millions":[30],"(or":[31],"even":[32],"billions)":[33],"subscribers":[35],"a":[37,58,106,240],"greater":[38],"number":[39,174,181],"current":[41],"and":[42,120,124,177,195,236,248],"future":[43,78],"applications":[45],"IoT).":[47],"Radio":[49],"Access":[50],"Network":[51],"(C-RAN)":[52],"architecture":[53],"has":[54],"been":[55],"proposed":[56],"novel":[59],"concept":[60],"to":[61,73,163,203,219,239],"gain":[62],"benefits":[64],"cloud":[66],"an":[69],"efficient":[70],"resource,":[72],"meet":[74],"requirements":[76],"cellular":[79,147],"networks.":[80,148,254],"However,":[81],"computational":[83],"complexity":[84,119,136,153,212,235],"obtaining":[86],"channel":[88,111,144],"state":[89],"information":[90,112,145],"full-centralized":[93],"C-RAN":[94,253],"increases":[95],"size":[98],"network":[101],"scaled":[103],"up,":[104],"result":[107],"enlargement":[109],"matrices.":[113],"To":[114],"tackle":[115],"this":[116],"problem":[117],"latency,":[121],"MapReduce":[122,198],"framework":[123],"fast":[125,229],"matrix":[126,230],"algorithms":[127,227],"are":[128],"proposed.":[129],"paper":[131],"presents":[132],"two":[133],"levels":[134],"reduction":[137,233],"process":[140,204],"estimating":[142],"The":[149,206,232],"results":[150],"illustrate":[151],"that":[152],"can":[154],"be":[155],"minimized":[156],"from":[157,213],"O(N":[158],"<sup":[159,165,215,221],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[160,166,216,222],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">3</sup>":[161,167,217],")":[162,218,224],"O((N/k)":[164,214,220],"),":[168],"where":[169],"N":[170],"total":[173],"RRHs":[176,183,191],"k":[178],"per":[184],"group,":[185],"by":[186],"dividing":[187],"processing":[189],"into":[192],"parallel":[193,199],"groups":[194],"harnessing":[196],"algorithm":[200],"order":[202],"them.":[205],"second":[207],"approach":[208],"reduces":[209],"computation":[211],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">2.807</sup>":[223],"using":[225],"inversion.":[231],"latency":[237],"leads":[238],"significant":[241],"improvement":[242],"both":[244],"estimation":[246],"time":[247],"scalability":[251]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2018,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}